I, Brad Lucier, have fixed a long-standing bug in amstex. Now, if one wants to add an e-mail address or URL (web page address) to an amstex document, one ...
Mintert, James R.; Davis, Ernest E.; Dhuyvetter, Kevin C.; Bevers, Stan
1999-06-23
explains how livestock basis is computed, outlines an approach to developing a history of local basis levels, and discusses how historical basis data can be used to forecast basis....
Fixed bed hydrocracking process
MacLean, A.J.; Holloway, R.L.; Lawson, V.A.; Cronen, J.W.
1990-02-20
This patent describes a process for converting a gas oil range petroleum feedstock into lighter petroleum products. It comprises: charging the gas oil range petroleum feedstock and hydrogen to a first fixed bed hydrocracking zone containing a hydrocracking catalyst at hydrocracking conditions to produce a first hydrocracking zone product stream; separating the first fixed bed hydrocracking zone product stream in a fractionation zone into a petroleum products stream and a bottoms stream; charging the bottoms stream and hydrogen to a second fixed bed hydrocracking zone containing a hydrocracking catalyst at hydrocracking conditions to produce a second fixed bed hydrocracking zone product stream; cooling the second fixed bed hydrocracking zone product stream to a temperature below about 250{degrees}F; recycling a first portion of the cooled second fixed bed hydrocracking zone product stream to the fractionation zone; removing materials having a boiling range from about 500{degrees} to about 650{degrees}F and a heavy bottoms stream having a boiling point above about 1050{degrees}F from a second portion of the cooled second fixed bed hydrocracking zone product stream to product a treated second portion; and recycling the treated second portion to the first fixed bed hydrocracking zone.
Local Uniqueness for the Fixed Energy Fixed Angle Inverse Problem ...
Abstract. We prove local uniqueness for the inverse problem in obstacle scattering at a fixed energy and fixed incident angle. We consider the inverse problem of ...
Evaluating the MMF Using CloudSat
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would like submitKansasCommunitiesof Energy8) Wigner Home Â·the Effect ofEvaluatingCloudSat,
Multiple Contributors
1991-01-01
the beginning of THE FIX, three beautiful years, I know they will both be missed. Hint to readers: if you love those guys as much as I do, have a box of "Puffs" handy for this chapter. (I 'll say no more ... ) "Endgame" by Sue-Anne Hartwick and "Games... times ... ) it moved along briskly , and even though only a real nouveau would think you ' d write a death story , it st i ll had me on the edge of my chair, wor r ied as Huech was about Starsky. It was a taut, well - honed police story shot...
Multiple Contributors
1988-01-01
feeling the dearth of zines in a heavy way. Withdrawal symptoms were only just nearly averted. I'm looking forward to issue number four with baited breath. Not that I don't love THE FIX (you know, Martha, I don't have to tell you), but I am very... in perspective can do for you! Now my curiosity is getting the better of me. How will our poor, stranded survivors go from being such awkward strangers to the most intimate (ahem) of friends? I guess we stay tuned for more. One more note: I love the last...
[FIXED RATE GUARANTEED OBLIGATIONS]
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LIST OFAMERICA'S FUTURE.EnergyWooden Rooftops | DepartmentMay 2014ProductionFIXED
Hall, David R. (Provo, UT); Bartholomew, David B. (Springville, UT); Moon, Justin (Bountiful, UT); Koehler, Roger O. (Provo, UT)
2009-09-08
An apparatus for fixing computational latency within a deterministic region on a network comprises a network interface modem, a high priority module and at least one deterministic peripheral device. The network interface modem is in communication with the network. The high priority module is in communication with the network interface modem. The at least one deterministic peripheral device is connected to the high priority module. The high priority module comprises a packet assembler/disassembler, and hardware for performing at least one operation. Also disclosed is an apparatus for executing at least one instruction on a downhole device within a deterministic region, the apparatus comprising a control device, a downhole network, and a downhole device. The control device is near the surface of a downhole tool string. The downhole network is integrated into the tool string. The downhole device is in communication with the downhole network.
Ghelli, Giorgio
Basi di dati: FunzionalitÃ , Progettazione, Interrogazione Giorgio Ghelli DBMS's 2 Temi Â· FunzionalitÃ ed uso dei DBMS Â· Progettazione di una Base di Dati Â· Interrogazione di una Base di Dati FunzionalitÃ dei DBMS DBMS's 4 Riferimenti Â· A. Albano, G. Ghelli, R. Orsini, Basi di Dati Relazionali e
Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]
2007-07-11
The Guide assists DOE/NNSA field elements and operating contractors in identifying and analyzing hazards at facilities and sites to provide the technical planning basis for emergency management programs. Supersedes DOE G 151.1-1, Volume 2.
Variable delivery, fixed displacement pump
Sommars, Mark F. (Sparland, IL)
2001-01-01
A variable delivery, fixed displacement pump comprises a plurality of pistons reciprocated within corresponding cylinders in a cylinder block. The pistons are reciprocated by rotation of a fixed angle swash plate connected to the pistons. The pistons and cylinders cooperate to define a plurality of fluid compression chambers each have a delivery outlet. A vent port is provided from each fluid compression chamber to vent fluid therefrom during at least a portion of the reciprocal stroke of the piston. Each piston and cylinder combination cooperates to close the associated vent port during another portion of the reciprocal stroke so that fluid is then pumped through the associated delivery outlet. The delivery rate of the pump is varied by adjusting the axial position of the swash plate relative to the cylinder block, which varies the duration of the piston stroke during which the vent port is closed.
Radioactive Waste Management Basis
Perkins, B K
2009-06-03
The purpose of this Radioactive Waste Management Basis is to describe the systematic approach for planning, executing, and evaluating the management of radioactive waste at LLNL. The implementation of this document will ensure that waste management activities at LLNL are conducted in compliance with the requirements of DOE Order 435.1, Radioactive Waste Management, and the Implementation Guide for DOE Manual 435.1-1, Radioactive Waste Management Manual. Technical justification is provided where methods for meeting the requirements of DOE Order 435.1 deviate from the DOE Manual 435.1-1 and Implementation Guide.
Fixed Income Division Nomura International plc
Macrina, Andrea
Fixed Income Division © Nomura International plc Symmetry methods for quadratic Gaussian models International plc Outline Motivation The quadratic Gaussian distribution The quadratic Gaussian process The quadratic Gaussian model #12;Fixed Income Division 3© Nomura International plc Part 1 Motivation #12;Fixed
SF 6432-LA Fixed Price Latin America
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
CORPORATION SF 6432-LA (112015) SECTION II STANDARD TERMS AND CONDITIONS FOR FIXED PRICE CONTRACTS RENEWABLE ENERGY PROGRAMS IN LATIN AMERICAN COUNTRIES THE FOLLOWING CLAUSES...
INVESTIGATION Gene Genealogies Within a Fixed Pedigree,
INVESTIGATION Gene Genealogies Within a Fixed Pedigree, and the Robustness of Kingman's Coalescent, not as a random quantity. Gene genealogical models should describe the outcome of the percolation of genetic provide a surprisingly accurate description of gene genealogies on a fixed pedigree. We study
Inverse scattering problem with data at fixed energy and fixed incident direction
., [2]). The inverse scattering problem with fixedenergy data consists in finding a potential q(x) from by the author ([4]), who also gave a method for recovery of q from the exact fixedenergy data, an error for a stable recovery of q from noisy fixedenergy data, and an error estimate for this method [5], [6], [7
Essential and Fixed Oils of Kansas Plants
Wellington, Earl J.
1908-01-01
The following report deals with those Kansas plants (one or two trees included) which are known to yield or are suspected of yielding essential and fixed oils . No cultivated plants have been considered. Bernard B, ...
Milk Futures, Options and Basis
Haigh, Michael; Stockton, Matthew; Anderson, David P.; Schwart Jr., Robert B.
2001-10-12
The milk futures and options market enables producers and processors to manage price risk. This publication explains hedging, margin accounts, basis and how to track it, and other fundamentals of the futures and options market....
Broader source: Energy.gov [DOE]
CRAD for Safety Basis (SB). Criteria Review and Approach Documents (CRADs) that can be used to conduct a well-organized and thorough assessment of elements of safety and health programs.
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 OutreachProductswsicloudwsiclouddenDVA N C E D B L O OLaura BeaneCardwell,Production1358 Approved forcover:
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 OutreachProductswsicloudwsiclouddenDVA N C E D B L O OLaura BeaneCardwell,Production1358 Approved
Inferring nuclear movements from fixed material Charless Fowlkes
Fowlkes, Charless
Inferring nuclear movements from fixed material Charless Fowlkes Jitendra Malik Electrical prior specific permission. #12;Inferring nuclear movements from fixed material Charless C. Fowlkes using nuclear positions extracted from a large number of images of fixed embryos. Embryos are sorted
Diesel Particulate Oxidation Model: Combined Effects of Fixed...
Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site
Oxidation Model: Combined Effects of Fixed & Volatile Carbon Diesel Particulate Oxidation Model: Combined Effects of Fixed & Volatile Carbon Poster presented at the 16th Directions...
Physics Opportunities of a Fixed-Target Experiment using the...
Office of Scientific and Technical Information (OSTI)
Journal Article: Physics Opportunities of a Fixed-Target Experiment using the LHC Beams Citation Details In-Document Search Title: Physics Opportunities of a Fixed-Target...
Sequential conditions for fixed and periodic points
Peters, Burnis Charles
1970-01-01
) (Member) ~A (Month) 1970 (Year) ~04SQQ ABSTRACT Sec, uential Conditions fo. Fixed and Periodic Points (August 1970) Burnis C. Peter, Jr. , B. A. , Texas ASM University; M. S. , Texas A&M University Directed by: Jack Bryant and L. F. Guseman, Jr.... Let (X, d) be a metric space and f a selfmap of X. It is shown that a number of known theorems on the existence of fixed and periodic points are related through simple properties of the n sequence (f ) of iterates . ACMOVI. EDGEMENTS I wish...
The Process of Fixing the British National Minimum Wage, 1997-2007
Brown, William
Minimum Wage, 1997-2007 William Brown Abstract The British National Minimum Wage was introduced in 1999 under the guidance of a Low Pay Commission constructed on a basis of ‘social partnership’. The paper analyses its conduct over its first... in The British Journal of Industrial Relations during 2009 All enquiries to William Brown, (william.brown@econ.cam.ac.uk), Faculty of Economics, Cambridge University 2 The Process of Fixing the British National Minimum Wage, 1997...
GraFix: sample preparation for single-
Cai, Long
(cryo-EM). GraFix uses a glycerol gradient centrifugation step in which the complexes are centrifuged a structurally and compositionally homogeneous sample; this in turn requires advanced tools for sample handling are dissolved during centrifugation because of the pressure acting on the molecules. Chemical fixation reagents
Hanford Generic Interim Safety Basis
Lavender, J.C.
1994-09-09
The purpose of this document is to identify WHC programs and requirements that are an integral part of the authorization basis for nuclear facilities that are generic to all WHC-managed facilities. The purpose of these programs is to implement the DOE Orders, as WHC becomes contractually obligated to implement them. The Hanford Generic ISB focuses on the institutional controls and safety requirements identified in DOE Order 5480.23, Nuclear Safety Analysis Reports.
Alasdair Macleod
2007-08-23
MOND is a phenomenological theory with no apparent physical justification which seems to undermine some of the basic principles that underpin established theoretical physics. It is nevertheless remarkably successful over its sphere of application and this suggests MOND may have some physical basis. It is shown here that two simple axioms pertaining to fundamental principles will reproduce the characteristic behaviour of MOND, though the axioms are in conflict with general relativistic cosmology.
Company Template (Fixed Support) | Department of Energy
Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE: Alternative Fuels DataEnergy Webinar:I DueBETOofforCompany Template (Fixed Support) Company
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
Feller, D; Schuchardt, Karen L.; Didier, Brett T.; Elsethagen, Todd; Sun, Lisong; Gurumoorthi, Vidhya; Chase, Jared; Li, Jun
The Basis Set Exchange (BSE) provides a web-based user interface for downloading and uploading Gaussian-type (GTO) basis sets, including effective core potentials (ECPs), from the EMSL Basis Set Library. It provides an improved user interface and capabilities over its predecessor, the EMSL Basis Set Order Form, for exploring the contents of the EMSL Basis Set Library. The popular Basis Set Order Form and underlying Basis Set Library were originally developed by Dr. David Feller and have been available from the EMSL webpages since 1994. BSE not only allows downloading of the more than 200 Basis sets in various formats; it allows users to annotate existing sets and to upload new sets. (Specialized Interface)
Internal dosimetry technical basis manual
Not Available
1990-12-20
The internal dosimetry program at the Savannah River Site (SRS) consists of radiation protection programs and activities used to detect and evaluate intakes of radioactive material by radiation workers. Examples of such programs are: air monitoring; surface contamination monitoring; personal contamination surveys; radiobioassay; and dose assessment. The objectives of the internal dosimetry program are to demonstrate that the workplace is under control and that workers are not being exposed to radioactive material, and to detect and assess inadvertent intakes in the workplace. The Savannah River Site Internal Dosimetry Technical Basis Manual (TBM) is intended to provide a technical and philosophical discussion of the radiobioassay and dose assessment aspects of the internal dosimetry program. Detailed information on air, surface, and personal contamination surveillance programs is not given in this manual except for how these programs interface with routine and special bioassay programs.
Common basis for cellular motility
Henry G. Zot; Javier E. Hasbun; Nguyen Van Minh
2015-10-31
Motility is characteristic of life, but a common basis for movement has remained to be identified. Diverse systems in motion shift between two states depending on interactions that turnover at the rate of an applied cycle of force. Although one phase of the force cycle terminates the decay of the most recent state, continuation of the cycle of force regenerates the original decay process in a recursive cycle. By completing a cycle, kinetic energy is transformed into probability of sustaining the most recent state and the system gains a frame of reference for discrete transitions having static rather than time-dependent probability. The probability of completing a recursive cycle is computed with a Markov chain comprised of two equilibrium states and a kinetic intermediate. Given rate constants for the reactions, a random walk reproduces bias and recurrence times of walking motor molecules and bacterial flagellar switching with unrivaled fidelity.
Neutron Electric Dipole Moment at Fixed Topology
Keh-Fei Liu
2009-07-03
We describe the finite volume effects of CP-odd quantities, such as the neutron electric dipole moment and the anapole moment in the $\\theta$-vacuum, under different topological sectors. We evaluate the three-point Green's functions for the electromagnetic current in a fixed non-trivial topological sector in order to extract these CP-odd observables. We discuss the role of zero modes in the CP-odd Green's function and show that, in the quenched approximation, there is a power divergence in the quark mass for CP-odd quantities at finite volume.
PRESSURIZATION OF FIXED ROOF STORAGE TANKS DUE TO EXTERNAL FIRES
Paris-Sud XI, Université de
PRESSURIZATION OF FIXED ROOF STORAGE TANKS DUE TO EXTERNAL FIRES Fabien FouiHen, INERIS, Parc initiating event of the fire ball observed. In concrete terms, when a fixed roof storage tank is surrounded
Improving Design Methods for Fixed-Foundation Offshore Wind Energy...
Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site
Improving Design Methods for Fixed-Foundation Offshore Wind Energy Systems Improving Design Methods for Fixed-Foundation Offshore Wind Energy Systems October 1, 2013 - 3:10pm...
Fixed-energy inverse scattering Mathematics Department, Kansas State University,
scattering problem with fixed-energy data is described. Its comparison with the method based on the D-N map proved a uniqueness theorem for 3D ISP with fixed-energy data corresponding to q Qa and gave
Multidimensional Inverse Scattering with Fixed-Energy Data
Multidimensional Inverse Scattering with Fixed-Energy Data A.G. Ramm Department of Mathematics #12;Multidimensional Inverse Scattering with Fixed-Energy Data 375 0 =/8o p(x)wl(x)w2(x)da'. (**) J
Fixed drug eruption caused by the Japanese herbal drug kakkonto
Furuichi, Megumi; Hara, Hiroshi; Asano, Yukie; Makino, Teruhiko; Shimizu, Tadamichi
2010-01-01
Topical provocation of fixed drug eruption. Br J Dermatol.neglected offender for fixed drug eruptions. Eur J Dermatoloral and non-oral herbal drugs may cause FDE. References 1.
Advanced Fuel Cycle Cost Basis
D. E. Shropshire; K. A. Williams; W. B. Boore; J. D. Smith; B. W. Dixon; M. Dunzik-Gougar; R. D. Adams; D. Gombert; E. Schneider
2008-03-01
This report, commissioned by the U.S. Department of Energy (DOE), provides a comprehensive set of cost data supporting a cost analysis for the relative economic comparison of options for use in the Advanced Fuel Cycle Initiative (AFCI) Program. The report describes the AFCI cost basis development process, reference information on AFCI cost modules, a procedure for estimating fuel cycle costs, economic evaluation guidelines, and a discussion on the integration of cost data into economic computer models. This report contains reference cost data for 25 cost modules—23 fuel cycle cost modules and 2 reactor modules. The cost modules were developed in the areas of natural uranium mining and milling, conversion, enrichment, depleted uranium disposition, fuel fabrication, interim spent fuel storage, reprocessing, waste conditioning, spent nuclear fuel (SNF) packaging, long-term monitored retrievable storage, near surface disposal of low-level waste (LLW), geologic repository and other disposal concepts, and transportation processes for nuclear fuel, LLW, SNF, transuranic, and high-level waste.
Advanced Fuel Cycle Cost Basis
D. E. Shropshire; K. A. Williams; W. B. Boore; J. D. Smith; B. W. Dixon; M. Dunzik-Gougar; R. D. Adams; D. Gombert
2007-04-01
This report, commissioned by the U.S. Department of Energy (DOE), provides a comprehensive set of cost data supporting a cost analysis for the relative economic comparison of options for use in the Advanced Fuel Cycle Initiative (AFCI) Program. The report describes the AFCI cost basis development process, reference information on AFCI cost modules, a procedure for estimating fuel cycle costs, economic evaluation guidelines, and a discussion on the integration of cost data into economic computer models. This report contains reference cost data for 26 cost modules—24 fuel cycle cost modules and 2 reactor modules. The cost modules were developed in the areas of natural uranium mining and milling, conversion, enrichment, depleted uranium disposition, fuel fabrication, interim spent fuel storage, reprocessing, waste conditioning, spent nuclear fuel (SNF) packaging, long-term monitored retrievable storage, near surface disposal of low-level waste (LLW), geologic repository and other disposal concepts, and transportation processes for nuclear fuel, LLW, SNF, and high-level waste.
Advanced Fuel Cycle Cost Basis
D. E. Shropshire; K. A. Williams; W. B. Boore; J. D. Smith; B. W. Dixon; M. Dunzik-Gougar; R. D. Adams; D. Gombert; E. Schneider
2009-12-01
This report, commissioned by the U.S. Department of Energy (DOE), provides a comprehensive set of cost data supporting a cost analysis for the relative economic comparison of options for use in the Advanced Fuel Cycle Initiative (AFCI) Program. The report describes the AFCI cost basis development process, reference information on AFCI cost modules, a procedure for estimating fuel cycle costs, economic evaluation guidelines, and a discussion on the integration of cost data into economic computer models. This report contains reference cost data for 25 cost modules—23 fuel cycle cost modules and 2 reactor modules. The cost modules were developed in the areas of natural uranium mining and milling, conversion, enrichment, depleted uranium disposition, fuel fabrication, interim spent fuel storage, reprocessing, waste conditioning, spent nuclear fuel (SNF) packaging, long-term monitored retrievable storage, near surface disposal of low-level waste (LLW), geologic repository and other disposal concepts, and transportation processes for nuclear fuel, LLW, SNF, transuranic, and high-level waste.
Léonie Canet; Bertrand Delamotte; Nicolás Wschebor
2014-11-28
We investigate the regime of fully developed homogeneous turbulence of the Navier-Stokes (NS) equation in the presence of a stochastic forcing. Using the nonperturbative (functional) version of the renormalization group (NPRG), we avoid all the difficulties that plague standard RG approaches to NS turbulence and have hindered real progress in the calculation of multi-scaling. We obtain the fixed point solution of the NPRG flow equations, which corresponds to fully developed turbulence, in $d=2$ and $d=3$ dimensions. The striking feature of this fixed point is that it does not entail the usual scale invariance, because of the absence of a regular limit when the integral scale (the typical length scale of energy injection) tends to infinity. We indeed show, on the basis of exact flow equations in the large wave-number limit, how violations to the Kolmogorov scaling can emerge, leaving the accurate determination of the ensuing intermittent exponents for future work.
Tam, Tin-Yau
costs more or costs less to complete the project than the price initially agreed upon. OneFixed-Price Contracts Payment for a fixed-price contract is based on successfully providing the goods or services agreed to in the contract. A fixed-price contract is not adjusted when it actually
Comparing topological charge definitions using topology fixing actions
Bruckmann, Falk; Jansen, Karl; Marinkovic, Marina; Urbach, Carsten; Wagner, Marc
2009-01-01
We investigate both the hyperbolic action and the determinant ratio action designed to fix the topological charge on the lattice. We show to what extent topology is fixed depending on the parameters of these actions, keeping the physical situation fixed. At the same time the agreement between different definitions of topological charge - the field theoretic and the index definition - is directly correlated to the degree topology is fixed. Moreover, it turns out that the two definitions agree very well. We also study finite volume effects arising in the static potential and related quantities due to topology fixing.
Comparing topological charge definitions using topology fixing actions
Falk Bruckmann; Florian Gruber; Karl Jansen; Marina Marinkovic; Carsten Urbach; Marc Wagner
2010-04-05
We investigate both the hyperbolic action and the determinant ratio action designed to fix the topological charge on the lattice. We show to what extent topology is fixed depending on the parameters of these actions, keeping the physical situation fixed. At the same time the agreement between different definitions of topological charge - the field theoretic and the index definition - is directly correlated to the degree topology is fixed. Moreover, it turns out that the two definitions agree very well. We also study finite volume effects arising in the static potential and related quantities due to topology fixing.
A Fixed Energy Fixed Angle Inverse Uniqueness in Interior Transmission Problem
Lung-Hui Chen
2015-08-05
We transform an inverse scattering problem to be an interior transmission problem. We find an inverse uniqueness on the scatterer with a knowledge of a fixed interior transmission eigenvalue. By examining the solution in a series of spherical harmonics at far fields, we can decide the perturbation uniquely for the radially symmetric perturbations.
Fixed target experiments at the Fermilab Tevatron
Gutierrez, Gaston; Reyes, Marco A.
2014-09-29
This paper presents a review of the study of Exclusive Central Production at a Center of Mass energy of ?s = 40 GeV at the Fermilab Fixed Target program. In all reactions reviewed in this paper, protons with an energy of 800 GeV were extracted from the Tevatron accelerator at Fermilab and directed to a Liquid Hydrogen target. The states reviewed include ????, K?_{s} K?_{s}, K?_{s} K^{±}?^{?}, ?? and D^{*±}. Partial Wave Analysis results will be presented on the light states but only the cross-section will be reviewed in the diffractive production of D^{*±}.
Fixed Target Experiments at the Fermilab Tevatron
Gutierrez, Gaston; Reyes, Marco A.
2014-11-10
This paper presents a review of the study of Exclusive Central Production at a Center of Mass energy of ?s = 40 GeV at the Fermilab Fixed Target program. In all reactions reviewed in this paper, protons with an energy of 800 GeV were extracted from the Tevatron accelerator at Fermilab and directed to a Liquid Hydrogen target. The states reviewed include ?^{+}?^{-}, K^{0}_{s} K^{0}_{s}, K^{0}_{s} K^{±}?^{?}, ?? and D^{*±}. Partial Wave Analysis results will be presented on the light states but only the cross-section will be reviewed in the diffractive production of D^{*±}.
Authorization basis for the 209-E Building
TIFFANY, M.S.
1999-02-23
This Authorization Basis document is one of three documents that constitute the Authorization Basis for the 209-E Building. Per the U.S. Department of Energy, Richland Operations Office (RL) letter 98-WSD-074, this document, the 209-E Building Preliminary Hazards Analysis (WHC-SD-WM-TI-789), and the 209-E Building Safety Evaluation Report (97-WSD-074) constitute the Authorization Basis for the 209-E Building. This Authorization Basis and the associated controls and safety programs will remain in place until safety documentation addressing deactivation of the 209-E Building is developed by the contractor and approved by RL.
Optimal measurements and fixed-point maps
Dhara, Chirag; Hari Dass, N.D.
2005-08-15
When an optimal measurement of (S{sub x},S{sub y},S{sub z}) is made on a qubit and what we call a mutually unbiased mixture of the resulting ensembles is taken, then the post-measurement density matrix is shown to be related to the premeasurement density matrix through a simple linear relation. It is also shown that the form of this relation is the same for all quantum systems. It is shown that for a general quantum system such a relation holds only when the measurements are made in mutually unbiased bases. The post-measurement density matrix is shown to be a normalized incoherent superposition of the identity map and the pin map of Gorini and Sudarshan. A pin map is one which maps all density matrices to a fixed density matrix which in our case turns out to be the unit matrix. The result is shown to be true irrespective of whether the initial state is pure or mixed. For spin-1/2 systems it is also shown explicitly that nonorthogonal measurements fail to give such a linear relation no matter how the ensembles are mixed.
Apparatus for fixed bed coal gasification
Sadowski, Richard S. (Greenville, SC)
1992-01-01
An apparatus for fixed-bed coal gasification is described in which coal such as caking coal is continuously pyrolyzed with clump formation inhibited, by combining the coal with a combustible gas and an oxidant, and then continually feeding the pyrolyzed coal under pressure and elevated temperature into the gasification region of a pressure vessel. The materials in the pressure vessel are allowed to react with the gasifying agents in order to allow the carbon contents of the pyrolyzed coal to be completely oxidized. The combustion of gas produced from the combination of coal pyrolysis and gasification involves combining a combustible gas coal and an oxidant in a pyrolysis chamber and heating the components to a temperature of at least 1600.degree. F. The products of coal pyrolysis are dispersed from the pyrolyzer directly into the high temperature gasification region of a pressure vessel. Steam and air needed for gasification are introduced in the pressure vessel and the materials exiting the pyrolyzer flow down through the pressure vessel by gravity with sufficient residence time to allow any carbon to form carbon monoxide. Gas produced from these reactions are then released from the pressure vessel and ash is disposed of.
RIEMANN'S INEQUALITY AND RIEMANN-ROCH Fix a compact ...
2013-11-14
RIEMANN'S INEQUALITY AND RIEMANN-ROCH. DONU ARAPURA. Fix a compact connected Riemann surface X of genus g. Riemann's inequality gives a
FIXED POINT INDICES AND MANIFOLDS WITH COLLARS Chen ...
2005-05-05
Brasiliero de Topologia 53 (1988), 59–67, Universidade de Sao Paulo, Sao Carlos S. P., Brasil. [8]. , A de Moivre like formula for fixed point theory, Proceedings ...
Algorithm for Lot Sizing with Inventory Bounds and Fixed Costs
Alper Atamturk
2007-06-26
Jun 26, 2007 ... An O(n^2) Algorithm for Lot Sizing with Inventory Bounds and Fixed Costs. Alper Atamturk (atamturk ***at*** berkeley.edu) Simge Kucukyavuz ...
Simulations at fixed topology: fixed topology versus ordinary finite volume corrections
Arthur Dromard; Wolfgang Bietenholz; Urs Gerber; Héctor Mejía-Díaz; Marc Wagner
2015-05-13
Lattice QCD simulations tend to get stuck in a single topological sector at fine lattice spacing, or when using chirally symmetric quarks. In such cases computed observables differ from their full QCD counterparts by finite volume corrections, which need to be understood on a quantitative level. We extend a known relation from the literature between hadron masses at fixed and at unfixed topology by incorporating in addition to topological finite volume effects, also ordinary finite volume effects. We present numerical results for SU(2) Yang-Mills theory.
Portfolio optimization with linear and fixed transaction costs
Portfolio optimization with linear and fixed transaction costs Miguel Sousa Lobo1 Maryam Fazel2 optimization with linear and fixed transaction costs Abstract We consider the problem of portfolio selection of the return, and bounds on different shortfall probabilities are efficiently handled by convex optimization
CARBON EMISSIONS AND CARBON FIXING FROM AN ECONOMIC PERSPECTIVE
Bateman, Ian J.
constraint to these relationships, with the carbon dioxide emissions from fossil fuel consumption pressingCARBON EMISSIONS AND CARBON FIXING FROM AN ECONOMIC PERSPECTIVE by Dennis Anderson CSERGE GEC Working Paper 92-28 #12;CARBON EMISSIONS AND CARBON FIXING FROM AN ECONOMIC PERSPECTIVE by Dennis Anderson
Fixed-Order H Controller Design via HIFOO, a Specialized
Overton, Michael L.
Gumussoy Michael L. Overton Abstract-- We report on our experience with fixed-order H controller design controller design. I. INTRODUCTION In this note, we report on our experience applying HIFOO [6] (H Fixed of the transfer function for the closed loop plant. This is a difficult optimization problem due
TECHNOLOGY-RELATED FIXED ASSET INVENTORY CONTROL PROCEDURES New Purchases
Hutchens, John
TECHNOLOGY-RELATED FIXED ASSET INVENTORY CONTROL PROCEDURES New Purchases When a new computer the new equipment shall be submitted to Information Technology Services (ITS) with the ITS Job Request a computer, printer, projector or other technology-related fixed asset to a new University department
CRAD, Safety Basis - Los Alamos National Laboratory Waste Characteriza...
Office of Environmental Management (EM)
Safety Basis - Los Alamos National Laboratory Waste Characterization, Reduction, and Repackaging Facility CRAD, Safety Basis - Los Alamos National Laboratory Waste...
Mathematics: The Basis for Quantitative Knowledge
Trevors, J. T.; Saier, M. H.
2010-01-01
1–2 DOI 10.1007/s11270-009-0300-9 Mathematics: The Basis forthe inference that mathematics has underpinned virtually allin future research. Mathematics can be considered the
Scientific Basis for Bacterial TMDLs in Georgia
Radcliffe, David
and Natural Resources University of Georgia, Athens, GA Atlanta, Georgia June 2006 Scientific Basis Advisory Committee as part of the Georgia Statewide Water Planning process. www.gadnr.org/gswp/Documents/info
Adaptive Basis Sampling for Smoothing Splines
Zhang, Nan
2015-08-03
. However, the high computational cost of smoothing splines for large data sets has hindered their wide application. We develop a new method, named adaptive basis sampling, for efficient computation of smoothing splines in super-large samples. Generally, a...
Rossi, Tuomas P; Sakko, Arto; Puska, Martti J; Nieminen, Risto M
2015-01-01
We present an approach for generating local numerical basis sets of improving accuracy for first-principles nanoplasmonics simulations within time-dependent density functional theory. The method is demonstrated for copper, silver, and gold nanoparticles that are of experimental interest but computationally demanding due to the semi-core d-electrons that affect their plasmonic response. The basis sets are constructed by augmenting numerical atomic orbital basis sets by truncated Gaussian-type orbitals generated by the completeness-optimization scheme, which is applied to the photoabsorption spectra of homoatomic metal atom dimers. We obtain basis sets of improving accuracy up to the complete basis set limit and demonstrate that the performance of the basis sets transfers to simulations of larger nanoparticles and nanoalloys as well as to calculations with various exchange-correlation functionals. This work promotes the use of the local basis set approach of controllable accuracy in first-principles nanoplasmon...
Sanctions and mutualism stability: why do rhizobia fix nitrogen?
West, Stuart A; Kiers, E Toby; Simms, Ellen L; Denison, R Ford
2002-01-01
Why do rhizobia expend resources on fixing N2 for the benefit of their host plant, when they could use those resources for their own reproduction? We present a series of theoretical models which counter the hypotheses ...
FIXED PRICE RESIDUAL FUNDS POLICY Policy dated March 29, 1999
Weston, Ken
FIXED PRICE RESIDUAL FUNDS POLICY Policy dated March 29, 1999 After completion of all deliverables in this process. May 1, 1999 Amendment to Policy · The first $75,000 of the residual balance will be transferred
Thermodynamics of SU(3) gauge theory at fixed lattice spacing
T. Umeda; S. Ejiri; S. Aoki; T. Hatsuda; K. Kanaya; Y. Maezawa; H. Ohno
2008-10-09
We study thermodynamics of SU(3) gauge theory at fixed scales on the lattice, where we vary temperature by changing the temporal lattice size N_t=(Ta_t)^{-1}. In the fixed scale approach, finite temperature simulations are performed on common lattice spacings and spatial volumes. Consequently, we can isolate thermal effects in observables from other uncertainties, such as lattice artifact, renormalization factor, and spatial volume effect. Furthermore, in the EOS calculations, the fixed scale approach is able to reduce computational costs for zero temperature subtraction and parameter search to find lines of constant physics, which are demanding in full QCD simulations. As a test of the approach, we study the thermodynamics of the SU(3) gauge theory on isotropic and anisotropic lattices. In addition to the equation of state, we calculate the critical temperature and the static quark free energy at a fixed scale.
Heat transfer rates in fixed bed catalytic reactors
Levelton, Bruce Harding
1951-01-01
bed. A consideration of thermal effects in a gas-solid tubular reactor involves a number of prime variables, viz. (a) Reynolds number and heat capacity of reactants (b) Tube diameter and length (c) Catalyst particle size, shape and characteristics... conditions than in fixed bed reactors prevail. The problem of determining temperatures in moving-bed catalytic reactors is somewhat similar to that in gas-solid fixed bed reactors, but this investigation will not treat such cases. The mechanism of heat...
Contamination effects on fixed-bias Langmuir probes
Steigies, C. T.; Barjatya, A.
2012-11-15
Langmuir probes are standard instruments for plasma density measurements on many sounding rockets. These probes can be operated in swept-bias as well as in fixed-bias modes. In swept-bias Langmuir probes, contamination effects are frequently visible as a hysteresis between consecutive up and down voltage ramps. This hysteresis, if not corrected, leads to poorly determined plasma densities and temperatures. With a properly chosen sweep function, the contamination parameters can be determined from the measurements and correct plasma parameters can then be determined. In this paper, we study the contamination effects on fixed-bias Langmuir probes, where no hysteresis type effect is seen in the data. Even though the contamination is not evident from the measurements, it does affect the plasma density fluctuation spectrum as measured by the fixed-bias Langmuir probe. We model the contamination as a simple resistor-capacitor circuit between the probe surface and the plasma. We find that measurements of small scale plasma fluctuations (meter to sub-meter scale) along a rocket trajectory are not affected, but the measured amplitude of large scale plasma density variation (tens of meters or larger) is attenuated. From the model calculations, we determine amplitude and cross-over frequency of the contamination effect on fixed-bias probes for different contamination parameters. The model results also show that a fixed bias probe operating in the ion-saturation region is affected less by contamination as compared to a fixed bias probe operating in the electron saturation region.
Benkart, Georgia
2008-01-01
This article contains an investigation of the equitable basis for the Lie algebra sl_2. Denoting this basis by {x,y,z}, we have [x,y] = 2x + 2y, [y,z] = 2y + 2z, [z, x] = 2z + 2x. One focus of our study is the group of automorphisms G generated by exp(ad x*), exp(ad y*), exp(ad z*), where {x*,y*,z*} is the basis for sl_2 dual to {x,y,z} with respect to the trace form (u,v) = tr(uv). We show that G is isomorphic to the modular group PSL_2(Z). Another focus of our investigation is the lattice L=Zx+Zy+Zz. We prove that the orbit G(x) equals {u in L |(u,u)=2}. We determine the precise relationship between (i) the group G, (ii) the group of automorphisms for sl_2 that preserve L, (iii) the group of automorphisms and antiautomorphisms for sl_2 that preserve L, and (iv) the group of isometries for (,) that preserve L. We obtain analogous results for the lattice L* =Zx*+Zy*+Zz*. Relative to the equitable basis, the matrix of the trace form is a Cartan matrix of hyperbolic type; consequently,we identify the equitable ...
PRELIMINARY SELECTION OF MGR DESIGN BASIS EVENTS
J.A. Kappes
1999-09-16
The purpose of this analysis is to identify the preliminary design basis events (DBEs) for consideration in the design of the Monitored Geologic Repository (MGR). For external events and natural phenomena (e.g., earthquake), the objective is to identify those initiating events that the MGR will be designed to withstand. Design criteria will ensure that radiological release scenarios resulting from these initiating events are beyond design basis (i.e., have a scenario frequency less than once per million years). For internal (i.e., human-induced and random equipment failures) events, the objective is to identify credible event sequences that result in bounding radiological releases. These sequences will be used to establish the design basis criteria for MGR structures, systems, and components (SSCs) design basis criteria in order to prevent or mitigate radiological releases. The safety strategy presented in this analysis for preventing or mitigating DBEs is based on the preclosure safety strategy outlined in ''Strategy to Mitigate Preclosure Offsite Exposure'' (CRWMS M&O 1998f). DBE analysis is necessary to provide feedback and requirements to the design process, and also to demonstrate compliance with proposed 10 CFR 63 (Dyer 1999b) requirements. DBE analysis is also required to identify and classify the SSCs that are important to safety (ITS).
Neural Basis & Technical What are ERPs?
Coulson, Seana
1 Neural Basis & Technical Details What are ERPs? Could that work? Neurons communicate invented 1928 Hans Berger Early recording set-up Human Subject EEG monitors alertness EEG and ERPs What are ERPs? · ERPs formed by averaging EEG time-locked to the onset of stimuli that require cognitive
CRAD, Facility Safety- Nuclear Facility Safety Basis
Broader source: Energy.gov [DOE]
A section of Appendix C to DOE G 226.1-2 "Federal Line Management Oversight of Department of Energy Nuclear Facilities." Consists of Criteria Review and Approach Documents (CRADs) that can be used for assessment of a contractor's Nuclear Facility Safety Basis.
Review and Approval of Nuclear Facility Safety Basis and Safety Design Basis Documents
Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]
2014-12-19
This Standard describes a framework and the criteria to be used for approval of (1) safety basis documents, as required by 10 Code of Federal Regulation (C.F.R.) 830, Nuclear Safety Management, and (2) safety design basis documents, as required by Department of Energy (DOE) Standard (STD)-1189-2008, Integration of Safety into the Design Process.
The Failure of Environmental Education [And How We Can Fix It
Hamilton-Smith, Elery
2011-01-01
The Failure of Environmental Education [And How We Can FixThe Failure of Environmental Education [And How We Can Fix
Structural basis for the antibody neutralization of Herpes simplex...
Office of Scientific and Technical Information (OSTI)
Structural basis for the antibody neutralization of Herpes simplex virus Citation Details In-Document Search Title: Structural basis for the antibody neutralization of Herpes...
Technical Cost Modeling - Life Cycle Analysis Basis for Program...
Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site
- Life Cycle Analysis Basis for Program Focus Technical Cost Modeling - Life Cycle Analysis Basis for Program Focus Polymer Composites Research in the LM Materials Program Overview...
Nuclear Safety Basis Program Review Overview and Management Oversight...
Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site
Safety Basis Program Review Overview and Management Oversight Standard Review Plan Nuclear Safety Basis Program Review Overview and Management Oversight Standard Review Plan This...
ORISE: The Medical Basis for Radiation-Accident Preparedness...
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
The Medical Basis for Radiation-Accident Preparedness: Medical Management Proceedings of the Fifth International REACTS Symposium on the Medical Basis for Radiation-Accident...
Assessing Beyond Design Basis Seismic Events and Implications...
Office of Environmental Management (EM)
Assessing Beyond Design Basis Seismic Events and Implications on Seismic Risk Assessing Beyond Design Basis Seismic Events and Implications on Seismic Risk September 19, 2012...
Remarks on a fixed point theorem of Caristi
Egle, David Lee
1977-01-01
) = u and f(v) = v. Then, d(u, v) = d(f(u), f(v)) & o(d(u, f(u) + d(v, f(v))) = 0. 13 Thus, u = v and the fixed point is unique. The convergence of any sequence of i terates follows from the observation following Theorem 1. 3. & The concept of a... of the fixed point follows directly from the uniqueness of the fixed point for fn(u) Let x c X. Let s(x) = max (d(f (x), u) : j = 0, 1, . . . , (n(u)-l)). For m sufficiently large, write m = p n(u) + q, where 0 & q & n(u), p & 0. Then d(f (x, u) = d(f...
Radioactive Waste Management BasisApril 2006
Perkins, B K
2011-08-31
This Radioactive Waste Management Basis (RWMB) documents radioactive waste management practices adopted at Lawrence Livermore National Laboratory (LLNL) pursuant to Department of Energy (DOE) Order 435.1, Radioactive Waste Management. The purpose of this Radioactive Waste Management Basis is to describe the systematic approach for planning, executing, and evaluating the management of radioactive waste at LLNL. The implementation of this document will ensure that waste management activities at LLNL are conducted in compliance with the requirements of DOE Order 435.1, Radioactive Waste Management, and the Implementation Guide for DOE Manual 435.1-1, Radioactive Waste Management Manual. Technical justification is provided where methods for meeting the requirements of DOE Order 435.1 deviate from the DOE Manual 435.1-1 and Implementation Guide.
TECHNICAL BASIS DOCUMENT FOR NATURAL EVENT HAZARDS
KRIPPS, L.J.
2006-07-31
This technical basis document was developed to support the documented safety analysis (DSA) and describes the risk binning process and the technical basis for assigning risk bins for natural event hazard (NEH)-initiated accidents. The purpose of the risk binning process is to determine the need for safety-significant structures, systems, and components (SSC) and technical safety requirement (TSR)-level controls for a given representative accident or represented hazardous conditions based on an evaluation of the frequency and consequence. Note that the risk binning process is not applied to facility workers, because all facility worker hazardous conditions are considered for safety-significant SSCs and/or TSR-level controls.
Chopped random-basis quantum optimization
Tommaso Caneva; Tommaso Calarco; Simone Montangero
2011-08-22
In this work we describe in detail the "Chopped RAndom Basis" (CRAB) optimal control technique recently introduced to optimize t-DMRG simulations [arXiv:1003.3750]. Here we study the efficiency of this control technique in optimizing different quantum processes and we show that in the considered cases we obtain results equivalent to those obtained via different optimal control methods while using less resources. We propose the CRAB optimization as a general and versatile optimal control technique.
Safety Basis Information System | Department of Energy
Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:Financing Tool FitsProjectData Dashboard RutlandSTEAB's Priorities throughANDSafety Basis
Chiral-Scale Perturbation Theory About an Infrared Fixed Point
R. J. Crewther; Lewis C. Tunstall
2014-01-31
We review the failure of lowest order chiral $SU(3)_L \\times SU(3)_R$ perturbation theory $\\chi$PT$_3$ to account for amplitudes involving the $f_0(500)$ resonance and $O(m_K)$ extrapolations in momenta. We summarize our proposal to replace $\\chi$PT$_3$ with a new effective theory $\\chi$PT$_\\sigma$ based on a low-energy expansion about an infrared fixed point in 3-flavour QCD. At the fixed point, the quark condensate $\\langle\\bar{q}q\\rangle_\\mathrm{vac}\
An order theoretic approach in fixed point theory
Yaé Ulrich Gaba
2014-11-07
In the present article, we show the existence of a coupled fixed point for an order preserving mapping in a preordered left K-complete quasi-pseudometric space using a preorder induced by an appropriate function. We also define the concept of left-weakly related mappings on a preordered space and discuss common coupled fixed points for two and three left-weakly related mappings in the same space. Similar results are given for right-weakly related mappings, the dual notion of left-weakly related mappings.
Measurement of thermodynamic temperature of high temperature fixed points
Gavrilov, V. R.; Khlevnoy, B. B.; Otryaskin, D. A.; Grigorieva, I. A.; Samoylov, M. L.; Sapritsky, V. I.
2013-09-11
The paper is devoted to VNIIOFI's measurements of thermodynamic temperature of the high temperature fixed points Co-C, Pt-C and Re-C within the scope of the international project coordinated by the Consultative Committee for Thermometry working group 5 'Radiation Thermometry'. The melting temperatures of the fixed points were measured by a radiance mode radiation thermometer calibrated against a filter radiometer with known irradiance spectral responsivity via a high temperature black body. This paper describes the facility used for the measurements, the results and estimated uncertainties.
Type-Based Termination, Inflationary Fixed-Points, and
Abel, Andreas
Type-Based Termination, Inflationary Fixed-Points, and Mixed Inductive-Coinductive Types Andreas Science (FICS 2012) ETAPS 2012, Tallinn, Estonia 24 March 2012 Andreas Abel (LMU) Type-Based Termination AIM XV 1 / 1 #12;Introduction Aspects of Termination What the talk is about: foundational approach
On Plane Bipartite Graphs without Fixed Edges Khaled Salem*
Klavzar, Sandi
cycle. Randi [12, 13] used alternating cycles (or conjugated circuits) to estimate resonance energies face is an alternating cycle. Moreover, a polyhex fragment has no fixed edges if and only if the boundaries of its infinite face and the non-hexagonal finite faces are alternating cycles. These results
Combination of Fixed and Mobile Cameras for Automatic Pedestrian Detection
Bierlaire, Michel
Combination of Fixed and Mobile Cameras for Automatic Pedestrian Detection A. Alahi M. Bierlaire, mu- rat.kunt@epfl.ch 1 #12;Abstract Pedestrian detection in the surroundings of a vehicle is highly desirable to avoid dangerous traffic situations. Typical vision-based pedestrian detection algorithms
Experimental Cooperative Control of Fixed-Wing Unmanned Aerial Vehicles
Pappas, George J.
Experimental Cooperative Control of Fixed-Wing Unmanned Aerial Vehicles Selcuk Bayraktar, Georgios in the development of networks of multiple unmanned aerial vehicles (U.A.V.s), as aerial sensor networks size) aerial and space vehicles, which are frequently networked. This modern view of future aerospace
Sailplane glide performance and control using fixed and articulating winglets
Colling, James David
1995-01-01
performance was increased at low Reynolds numbers. The effects on the lift and drag, yawing moment, pitching moment, and wing root bending moment of the model are presented. Oil flows were used on the wing model with the fixed geometry winglet...
A Comparison of ARM Cloud Radar Profiles with MMF Simulated Radar Profiles
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach HomeA Better Anode Design to Improve Lithium-Ion Batteries Print Lithium-ion batteries arePlasmaARM Cloud
Technical basis for internal dosimetry at Hanford
Sula, M.J.; Carbaugh, E.H.; Bihl, D.E.
1989-04-01
The Hanford Internal Dosimetry Program, administered by Pacific Northwest Laboratory for the US Department of Energy, provides routine bioassay monitoring for employees who are potentially exposed to radionuclides in the workplace. This report presents the technical basis for routine bioassay monitoring and the assessment of internal dose at Hanford. The radionuclides of concern include tritium, corrosion products (/sup 58/Co, /sup 60/Co, /sup 54/Mn, and /sup 59/Fe), strontium, cesium, iodine, europium, uranium, plutonium, and americium. Sections on each of these radionuclides discuss the sources and characteristics; dosimetry; bioassay measurements and monitoring; dose measurement, assessment, and mitigation; and bioassay follow-up treatment. 64 refs., 42 figs., 118 tabs.
Technical basis for internal dosimetry at Hanford
Sula, M.J.; Carbaugh, E.H.; Bihl, D.E.
1991-07-01
The Hanford Internal Dosimetry Program, administered by Pacific Northwest Laboratory for the US Department of Energy, provides routine bioassay monitoring for employees who are potentially exposed to radionuclides in the workplace. This report presents the technical basis for routine bioassay monitoring and the assessment of internal dose at Hanford. The radionuclides of concern include tritium, corrosion products ({sup 58}Co, {sup 60}Co, {sup 54}Mn, and {sup 59}Fe), strontium, cesium, iodine, europium, uranium, plutonium, and americium,. Sections on each of these radionuclides discuss the sources and characteristics; dosimetry; bioassay measurements and monitoring; dose measurement, assessment, and mitigation and bioassay follow-up treatment. 78 refs., 35 figs., 115 tabs.
NDRPProtocolTechBasisCompiled020705.doc
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMass map shines light on77 PAGEMissionStressMoveMuncrief Ames019NAPL107,Basis Document
Structural Basis for Activation of Cholera Toxin
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power AdministrationRobust,Field-effect Photovoltaics -7541C.3X-rays3Energy U.S.Structural Basis for Activation
Structural Basis for Activation of Cholera Toxin
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power AdministrationRobust,Field-effect Photovoltaics -7541C.3X-rays3Energy U.S.Structural Basis for
14.6 CLOSE-OUT OF FIXED PRICE CONTRACTS Auditors recently have identified three problems with our practices regarding close-out of fixed-price contracts when 10% or more of the budget remains in the account Principal Investigators to ensure that no more than 5% of the budget remains in a fixed-price contract
2008-01-01
of q from the exact fixed-energy data, an error estimate for this method, and stability estimates for the recovery problem ([7]), as well as a method for a stable recovery of q from noisy fixed-energy data method for recovery of q from noisy 3D fixed-energy data. In this paper a new problem is studied
2008-01-01
scattering problem with fixedenergy data consists in finding a potential q(x) from the knowledge of A q ([4]), who also gave a method for recovery of q from the exact fixedenergy data, an error estimate of q from noisy fixedenergy data, and an error estimate for this method [5], [6], [7]. Until now
to the Department Head or Division Director to support continued work related to the project. If the end of a fixed-price14.6 CLOSE-OUT OF FIXED PRICE CONTRACTS Auditors recently have identified three problems with our practices regarding close-out of fixed-price contracts when 10% or more of the budget remains in the account
Technical Basis for PNNL Beryllium Inventory
Johnson, Michelle Lynn
2014-07-09
The Department of Energy (DOE) issued Title 10 of the Code of Federal Regulations Part 850, “Chronic Beryllium Disease Prevention Program” (the Beryllium Rule) in 1999 and required full compliance by no later than January 7, 2002. The Beryllium Rule requires the development of a baseline beryllium inventory of the locations of beryllium operations and other locations of potential beryllium contamination at DOE facilities. The baseline beryllium inventory is also required to identify workers exposed or potentially exposed to beryllium at those locations. Prior to DOE issuing 10 CFR 850, Pacific Northwest Nuclear Laboratory (PNNL) had documented the beryllium characterization and worker exposure potential for multiple facilities in compliance with DOE’s 1997 Notice 440.1, “Interim Chronic Beryllium Disease.” After DOE’s issuance of 10 CFR 850, PNNL developed an implementation plan to be compliant by 2002. In 2014, an internal self-assessment (ITS #E-00748) of PNNL’s Chronic Beryllium Disease Prevention Program (CBDPP) identified several deficiencies. One deficiency is that the technical basis for establishing the baseline beryllium inventory when the Beryllium Rule was implemented was either not documented or not retrievable. In addition, the beryllium inventory itself had not been adequately documented and maintained since PNNL established its own CBDPP, separate from Hanford Site’s program. This document reconstructs PNNL’s baseline beryllium inventory as it would have existed when it achieved compliance with the Beryllium Rule in 2001 and provides the technical basis for the baseline beryllium inventory.
Fixed points, stable manifolds, weather regimes, and their predictability
DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)
Deremble, Bruno; D'Andrea, Fabio; Ghil, Michael
2009-10-27
In a simple, one-layer atmospheric model, we study the links between low-frequency variability and the model’s fixed points in phase space. The model dynamics is characterized by the coexistence of multiple ''weather regimes.'' To investigate the transitions from one regime to another, we focus on the identification of stable manifolds associated with fixed points. We show that these manifolds act as separatrices between regimes. We track each manifold by making use of two local predictability measures arising from the meteorological applications of nonlinear dynamics, namely, ''bred vectors'' and singular vectors. These results are then verified in the framework of ensemblemore »forecasts issued from clouds (ensembles) of initial states. The divergence of the trajectories allows us to establish the connections between zones of low predictability, the geometry of the stable manifolds, and transitions between regimes.« less
Fixed points, stable manifolds, weather regimes, and their predictability
Deremble, Bruno [Laboratoire de Meteorologie Dynamique (CNRS and IPSL), Paris (France); D'Andrea, Fabio [Laboratoire de Meteorologie Dynamique (CNRS and IPSL), Paris (France); Ghil, Michael [Univ. of California, Los Angeles, CA (United Staes). Atmospheric and Oceanic Sciences and Inst. of Geophysics and Planetary Physics
2009-10-27
In a simple, one-layer atmospheric model, we study the links between low-frequency variability and the model’s fixed points in phase space. The model dynamics is characterized by the coexistence of multiple ''weather regimes.'' To investigate the transitions from one regime to another, we focus on the identification of stable manifolds associated with fixed points. We show that these manifolds act as separatrices between regimes. We track each manifold by making use of two local predictability measures arising from the meteorological applications of nonlinear dynamics, namely, ''bred vectors'' and singular vectors. These results are then verified in the framework of ensemble forecasts issued from clouds (ensembles) of initial states. The divergence of the trajectories allows us to establish the connections between zones of low predictability, the geometry of the stable manifolds, and transitions between regimes.
Fixed points, stable manifolds, weather regimes, and their predictability
DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)
Deremble, Bruno [Laboratoire de Meteorologie Dynamique (CNRS and IPSL), Paris (France); D'Andrea, Fabio [Laboratoire de Meteorologie Dynamique (CNRS and IPSL), Paris (France); Ghil, Michael [Univ. of California, Los Angeles, CA (United Staes). Atmospheric and Oceanic Sciences and Inst. of Geophysics and Planetary Physics
2009-01-01
In a simple, one-layer atmospheric model, we study the links between low-frequency variability and the model’s fixed points in phase space. The model dynamics is characterized by the coexistence of multiple ''weather regimes.'' To investigate the transitions from one regime to another, we focus on the identification of stable manifolds associated with fixed points. We show that these manifolds act as separatrices between regimes. We track each manifold by making use of two local predictability measures arising from the meteorological applications of nonlinear dynamics, namely, ''bred vectors'' and singular vectors. These results are then verified in the framework of ensemble forecasts issued from clouds (ensembles) of initial states. The divergence of the trajectories allows us to establish the connections between zones of low predictability, the geometry of the stable manifolds, and transitions between regimes.
Theta vacuum physics from QCD at fixed topology
Sinya Aoki; Hidenori Fukaya; Shoji Hashimoto; Tetsuya Onogi
2007-10-24
We propose a method to obtain physical quantities in the theta vacuum from those at fixed topology, which are different by finite size effects. Extending the work by Brower et al., we derive the formula to estimate these finite size corrections for arbitrary correlators in terms of the topological susceptibility and the theta dependence. Applying this formula, we show that topological susceptibility can be measured through two-point functions of pseudoscalar operator.
Modeling for Anaerobic Fixed-Bed Biofilm Reactors
Liu, B. Y. M.; Pfeffer, J. T.
1989-06-01
The specific objectives of this research were: 1. to develop an equilibrium model for chemical aspects of anaerobic reactors; 2. to modify the equilibrium model for non-equilibrium conditions; 3. to incorporate the existing biofilm models into the models above to study the biological and chemical behavior of the fixed-film anaerobic reactors; 4. to experimentally verify the validity of these models; 5. to investigate the biomass-holding ability of difference packing materials for establishing reactor design criteria.
Efficacy of fixed filtration for rapid kVp-switching dual energy x-ray systems
Yao, Yuan; Wang, Adam S.; Pelc, Norbert J.; Department of Radiology, Stanford University, Stanford, California 94305; Department of Electrical Engineering, Stanford University, Stanford, California 94305
2014-03-15
Purpose: Dose efficiency of dual kVp imaging can be improved if the two beams are filtered to remove photons in the common part of their spectra, thereby increasing spectral separation. While there are a number of advantages to rapid kVp-switching for dual energy, it may not be feasible to have two different filters for the two spectra. Therefore, the authors are interested in whether a fixed added filter can improve the dose efficiency of kVp-switching dual energy x-ray systems. Methods: The authors hypothesized that a K-edge filter would provide the energy selectivity needed to remove overlap of the spectra and hence increase the precision of material separation at constant dose. Preliminary simulations were done using calcium and water basis materials and 80 and 140 kVp x-ray spectra. Precision of the decomposition was evaluated based on the propagation of the Poisson noise through the decomposition function. Considering availability and cost, the authors chose a commercial Gd{sub 2}O{sub 2}S screen as the filter for their experimental validation. Experiments were conducted on a table-top system using a phantom with various thicknesses of acrylic and copper and 70 and 125 kVp x-ray spectra. The authors kept the phantom exposure roughly constant with and without filtration by adjusting the tube current. The filtered and unfiltered raw data of both low and high energy were decomposed into basis material and the variance of the decomposition for each thickness pair was calculated. To evaluate the filtration performance, the authors measured the ratio of material decomposition variance with and without filtration. Results: Simulation results show that the ideal filter material depends on the object composition and thickness, and ranges across the lanthanide series, with higher atomic number filters being preferred for more attenuating objects. Variance reduction increases with filter thickness, and substantial reductions (40%) can be achieved with a 2× loss in intensity. The authors’ experimental results validate the simulations, yet were overall slightly worse than expectation. For large objects, conventional (non-K-edge) beam hardening filters perform well. Conclusions: This study demonstrates the potential of fixed K-edge filtration to improve the dose efficiency and material decomposition precision for rapid kVp-switching dual energy systems.
Authorization basis status report (miscellaneous TWRS facilities, tanks and components)
Stickney, R.G.
1998-04-29
This report presents the results of a systematic evaluation conducted to identify miscellaneous TWRS facilities, tanks and components with potential needed authorization basis upgrades. It provides the Authorization Basis upgrade plan for those miscellaneous TWRS facilities, tanks and components identified.
Office of Nuclear Safety Basis and Facility Design
Broader source: Energy.gov [DOE]
The Office of Nuclear Safety Basis & Facility Design establishes safety basis and facility design requirements and expectations related to analysis and design of nuclear facilities to ensure protection of workers and the public from the hazards associated with nuclear operations.
CRAD, Integrated Safety Basis and Engineering Design Review ...
Broader source: Energy.gov (indexed) [DOE]
Integrated Safety Basis and Engineering Design Review - August 20, 2014 (EA CRAD 31-4, Rev. 0) CRAD, Integrated Safety Basis and Engineering Design Review - August 20, 2014 (EA...
Nonlinear adaptive control using radial basis function approximants
Petersen, Jerry Lee
1993-01-01
The purpose of this research is to present an adaptive control strategy using the radial basis function approximation method. Surface approximation methods using radial basis function approximants will first be discussed. ...
Gravitational lens modeling with basis sets
Birrer, Simon; Refregier, Alexandre
2015-01-01
We present a strong lensing modeling technique based on versatile basis sets for the lens and source planes. Our method uses high performance Monte Carlo algorithms, allows for an adaptive build up of complexity and bridges the gap between parametric and pixel based reconstruction methods. We apply our method to a HST image of the strong lens system RXJ1131-1231 and show that our method finds a reliable solution and is able to detect substructure in the lens and source planes simultaneously. Using mock data we show that our method is sensitive to sub-clumps with masses four orders of magnitude smaller than the main lens, which corresponds to about $10^8 M_{\\odot}$, without prior knowledge on the position and mass of the sub-clump. The modelling approach is flexible and maximises automation to facilitate the analysis of the large number of strong lensing systems expected in upcoming wide field surveys. The resulting search for dark sub-clumps in these systems, without mass-to-light priors, offers promise for p...
Evolutionary Laws, Initial Conditions, and Gauge Fixing in Constrained Systems
J M Pons; L C Shepley
1995-08-25
We describe in detail how to eliminate nonphysical degrees of freedom in the Lagrangian and Hamiltonian formulations of a constrained system. Two important and distinct steps in our method are the fixing of ambiguities in the dynamics and the determination of inequivalent initial data. The Lagrangian discussion is novel, and a proof is given that the final number of degrees of freedom in the two formulations agrees. We give applications to reparameterization invariant theories, where we prove that one of the constraints must be explicitly time dependent. We illustrate our procedure with the examples of trajectories in spacetime and with spatially homogeneous cosmological models. Finally, we comment briefly on Dirac's extended Hamiltonian technique.
Laws restricting price-fixing and their enforcements
Johnston, Lon Don
1962-01-01
'aI;eescsesfh'k. . credo, yrXaa, ~ss, aoasrox cear @abide ebiHeias, ess. , alee greasily tha p'sxf'oxaaaca of vaxioui fanetioaa chat a frao aiiLsxpxisa mast':, acccep&sh. assaxiisg 'pxofit aagimisatioa as tha goal af ths ia8ivi&uik ox' firm~ it ia readily apparel...'elojsd. co. the "sncenb ' ' ' thbt ' in". Che eighteenth"-:CS4t'orf' egreemgint'p SCIOag, 'Sillerg 'tc 16@t. entpnt, ' divide Rect@Ca'. or' et~Be . fix prices were'conspiracies kn-rsptrsint'of credo for vbicb ia)ured''parties could claim dcnsgesi 1]ader...
15 Squares mod p Fix a prime p.
Ramakrishnan, Dinakar
15 Squares mod p Fix a prime p. Basic question: Given a, how can we determine if #b # Z such that a # b 2 (mod p)? Trivial case if p|a, take b # 0. So from now on take (a, p) = 1. p=3 p=5 p=7 x x 2 x x 2 x x 2 1 1 1 1 1 1 2 1 2 1 2 4 3 1 4 2 1=4 1 5 4 6 1 1 # d p 1, 4 as mod 5 1, 2, 4 as mod p 2
15 Squares mod p Fix a prime p.
Ramakrishnan, Dinakar
15 Squares mod p Fix a prime p. Basic question: Given a, how can we determine if b Z such that a b2 (mod p)? Trivial case if p|a, take b 0. So from now on take (a, p) = 1. p=3 p=5 p=7 x x2 x x2 x x2 1 1 1 1 1 1 2 1 2 -1 2 4 3 -1 4 2 -1=4 1 5 4 6 1 1 dp 1, 4 as mod 5 1, 2, 4 as mod p 2 2, 3 3
Quarkonium Physics at a Fixed-Target Experiment Using the LHC...
Office of Scientific and Technical Information (OSTI)
Quarkonium Physics at a Fixed-Target Experiment Using the LHC Beams Citation Details In-Document Search Title: Quarkonium Physics at a Fixed-Target Experiment Using the LHC Beams...
T-712: Red Hat Enterprise MRG Grid 2.0 security, bug fix and...
Office of Environmental Management (EM)
12: Red Hat Enterprise MRG Grid 2.0 security, bug fix and enhancement update T-712: Red Hat Enterprise MRG Grid 2.0 security, bug fix and enhancement update September 8, 2011 -...
A parabola is the set of all points in a plane equidistant from a fixed ...
MA 154 Lesson 25 Delworth. Section 11.2 Parabolas. A parabola is the set of all points in a plane equidistant from a fixed point F (the focus) and a fixed line l ...
PARFUME Theory and Model basis Report
Darrell L. Knudson; Gregory K Miller; G.K. Miller; D.A. Petti; J.T. Maki; D.L. Knudson
2009-09-01
The success of gas reactors depends upon the safety and quality of the coated particle fuel. The fuel performance modeling code PARFUME simulates the mechanical, thermal and physico-chemical behavior of fuel particles during irradiation. This report documents the theory and material properties behind vari¬ous capabilities of the code, which include: 1) various options for calculating CO production and fission product gas release, 2) an analytical solution for stresses in the coating layers that accounts for irradiation-induced creep and swelling of the pyrocarbon layers, 3) a thermal model that calculates a time-dependent temperature profile through a pebble bed sphere or a prismatic block core, as well as through the layers of each analyzed particle, 4) simulation of multi-dimensional particle behavior associated with cracking in the IPyC layer, partial debonding of the IPyC from the SiC, particle asphericity, and kernel migration (or amoeba effect), 5) two independent methods for determining particle failure probabilities, 6) a model for calculating release-to-birth (R/B) ratios of gaseous fission products that accounts for particle failures and uranium contamination in the fuel matrix, and 7) the evaluation of an accident condition, where a particle experiences a sudden change in temperature following a period of normal irradiation. The accident condi¬tion entails diffusion of fission products through the particle coating layers and through the fuel matrix to the coolant boundary. This document represents the initial version of the PARFUME Theory and Model Basis Report. More detailed descriptions will be provided in future revisions.
A Lesson Learned on Determination of Radionuclides on Metal Surface Fixed Contamination
MEZNARICH, H.K.
2000-02-01
A Measurement of fixed surface contamination required to determine classification as low-level or as transuranic waste.
Fixed and Random Effects in Panel Data Using Structural Equations Models
Bollen, Kenneth A.; Brand, Jennie E.
2008-01-01
1997) and a SAS publication by Allison (2005) discuss SEM2005. Fixed Effects Regression Methods for Longitudinal Data Using SAS.
Study of the thermal abelian monopoles with proper gauge fixing
V. G. Bornyakov; V. V. Braguta
2011-10-28
The properties of the thermal abelian monopoles are studied in the deconfinement phase of the SU(2) gluodynamics. To remove effects of Gribov copies the simulated annealing algorithm is applied to fix the maximally abelian gauge. Computing the density of the thermal abelian monopoles in the temperature range between 1.5T_c and 6.9T_c we show, by comparison with earlier results, that the Gribov copies effects might be as high as 20% making proper gauge fixing mandatory. We find that in the infinite temperature limit the monopole density converges to its value in 3-dimensional theory. To study the interaction between monopoles we calculate the monopole-monopole and monopole-antimonopole correlators at different temperatures in the region (1.5T_c, 6.9T_c). Using the result of this study we determine the screening mass, monopole-monopole coupling constant, monopole size and monopole mass. In addition we check the continuum limit of our results.
Inverse scattering with fixed-energy data Mathematics Department, Kansas State University,
Inverse scattering with fixed-energy data A.G. Ramm Mathematics Department, Kansas State justified method for solving the three-dimensional inverse scattering problem with fixed-energy data problem with fixed-energy data is described for the exact data and for the noisy data, and the error
Computing single step operators of logic programming in radial basis function neural networks
Hamadneh, Nawaf; Sathasivam, Saratha; Choon, Ong Hong [School of Mathematical Sciences, Universiti Sains Malaysia, 11800 USM, Penang (Malaysia)
2014-07-10
Logic programming is the process that leads from an original formulation of a computing problem to executable programs. A normal logic program consists of a finite set of clauses. A valuation I of logic programming is a mapping from ground atoms to false or true. The single step operator of any logic programming is defined as a function (T{sub p}:I?I). Logic programming is well-suited to building the artificial intelligence systems. In this study, we established a new technique to compute the single step operators of logic programming in the radial basis function neural networks. To do that, we proposed a new technique to generate the training data sets of single step operators. The training data sets are used to build the neural networks. We used the recurrent radial basis function neural networks to get to the steady state (the fixed point of the operators). To improve the performance of the neural networks, we used the particle swarm optimization algorithm to train the networks.
A Fixed Gap APPLE II Undulator for SLS
Schmidt, T.; Imhof, A.; Ingold, G.; Jakob, B.; Vollenweider, C.
2007-01-19
To vary the polarization vector of an APPLE II undulator continuously from 0 - 180 deg., all four magnet arrays need to be movable. Following the adjustable-phase undulator approach by R. Carr, a 3.4 m long fixed gap undulator for SLS with a gap of 11.6 mm has been constructed. It will be installed in fall 2006. The gap drive is replaced by a pair-wise shift of the magnet arrays to change the energy, while the polarization is changed by shifts of diagonal arrays. The high injection efficiency and standard operation top-up mode at the SLS allows this simplified undulator design. The design as well as the operational aspects will be discussed.
Grate assembly for fixed-bed coal gasifier
Notestein, John E. (Morgantown, WV)
1993-01-01
A grate assembly for a coal gasifier of a moving-bed or fixed-bed type is provided for crushing agglomerates of solid material such as clinkers, tailoring the radial distribution of reactant gases entering the gasification reaction zone, and control of the radial distribution of downwardly moving solid velocities in the gasification and combustion zone. The clinker crushing is provided by pinching clinkers between vertically oriented stationary bars and angled bars supported on the upper surface of a rotating conical grate. The distribution of the reactant gases is provided by the selective positioning of horizontally oriented passageways extending through the grate. The radial distribution of the solids is provided by mounting a vertically and generally radially extending scoop mechanism on the upper surface of the grate near the apex thereof.
Zero modes, gauge fixing, monodromies, $?$-functions and all that
A. O. Barvinsky; D. V. Nesterov
2012-04-15
We discuss various issues associated with the calculation of the reduced functional determinant of a special second order differential operator $\\boldmath${F}$ =-d^2/d\\tau^2+\\ddot g/g$, $\\ddot g\\equiv d^2g/d\\tau^2$, with a generic function $g(\\tau)$, subject to periodic and Dirichlet boundary conditions. These issues include the gauge-fixed path integral representation of this determinant, the monodromy method of its calculation and the combination of the heat kernel and zeta-function technique for the derivation of its period dependence. Motivations for this particular problem, coming from applications in quantum cosmology, are also briefly discussed. They include the problem of microcanonical initial conditions in cosmology driven by a conformal field theory, cosmological constant and cosmic microwave background problems.
Technical Planning Basis - DOE Directives, Delegations, and Requiremen...
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
2, Technical Planning Basis by David Freshwater Functional areas: Defense Nuclear Facility Safety and Health Requirement, Safety and Security, The Guide assists DOENNSA field...
Protocol for Enhanced Evaluations of Beyond Design Basis Events...
Office of Environmental Management (EM)
Protocol for Enhanced Evaluations of Beyond Design Basis Events Supporting Implementation of Operating Experience Report 2013-01 Protocol for Enhanced Evaluations of Beyond Design...
Normal Basis Multiplication Algorithms for GF(2n ) (Full Version)
International Association for Cryptologic Research (IACR)
1 Normal Basis Multiplication Algorithms for GF(2n ) (Full Version) Haining Fan, Duo Liu and Yiqi. fan_haining@yahoo.com Abstract - In this paper, we propose a new normal basis multiplication algorithm for GF(2n ). This algorithm can be used to design not only fast software algorithms but also low
Comparison between Traditional Neural Networks and Radial Basis Function Networks
Wilamowski, Bogdan Maciej
Comparison between Traditional Neural Networks and Radial Basis Function Networks Tiantian Xie, Hao networks: traditional neural networks and radial basis function (RBF) networks, both of which of neural network architectures are analyzed and compared based on four different examples. The comparison
A Jacobi Method for Lattice Basis Reduction Sanzheng Qiao
Qiao, Sanzheng
A Jacobi Method for Lattice Basis Reduction Sanzheng Qiao Department of Computing and Software Mc decoding has been suc- cessfully used in wireless communications. In this paper, we propose a Jacobi method for lattice basis reduction. Jacobi method is attractive, because it is inherently parallel. Thus high
Emergence of a measurement basis in atom-photon scattering
Yinnon Glickman; Shlomi Kotler; Nitzan Akerman; Roee Ozeri
2012-06-18
The process of quantum measurement has been a long standing source of debate. A measurement is postulated to collapse a wavefunction onto one of the states of a predetermined set - the measurement basis. This basis origin is not specified within quantum mechanics. According to the theory of decohernce, a measurement basis is singled out by the nature of coupling of a quantum system to its environment. Here we show how a measurement basis emerges in the evolution of the electronic spin of a single trapped atomic ion due to spontaneous photon scattering. Using quantum process tomography we visualize the projection of all spin directions, onto this basis, as a photon is scattered. These basis spin states are found to be aligned with the scattered photon propagation direction. In accordance with decohernce theory, they are subjected to a minimal increase in entropy due to the photon scattering, while, orthogonal states become fully mixed and their entropy is maximally increased. Moreover, we show that detection of the scattered photon polarization measures the spin state of the ion, in the emerging basis, with high fidelity. Lastly, we show that while photon scattering entangles all superpositions of pointer states with the scattered photon polarization, the measurement-basis states themselves remain classically correlated with it. Our findings show that photon scattering by atomic spin superpositions fulfils all the requirements from a quantum measurement process.
Flame quality monitor system for fixed firing rate oil burners
Butcher, Thomas A. (Pt. Jefferson, NY); Cerniglia, Philip (Moriches, NY)
1992-01-01
A method and apparatus for determining and indicating the flame quality, or efficiency of the air-fuel ratio, in a fixed firing rate heating unit, such as an oil burning furnace, is provided. When the flame brightness falls outside a preset range, the flame quality, or excess air, has changed to the point that the unit should be serviced. The flame quality indicator output is in the form of lights mounted on the front of the unit. A green light indicates that the flame is about in the same condition as when the burner was last serviced. A red light indicates a flame which is either too rich or too lean, and that servicing of the burner is required. At the end of each firing cycle, the flame quality indicator goes into a hold mode which is in effect during the period that the burner remains off. A yellow or amber light indicates that the burner is in the hold mode. In this mode, the flame quality lights indicate the flame condition immediately before the burner turned off. Thus the unit can be viewed when it is off, and the flame condition at the end of the previous firing cycle can be observed.
Fixed bed trapping for gaseous fluoride effluent control
Otey, M.G.; Bayne, C.K.
1980-06-14
To comply with future air quality standards for gaseous fluoride emissions at the PGDP, studies are being made to evaluate the most feasible and efficient method of trapping fluorides from the effluents of the different processes. Although this work is in direct support of environmental projects, its results are applicable in other areas. Throughout the diffusion plants there are several areas where fluorides, either single or multiple species, are controlled and/or processed. The solid sorbent studies represent new, promising technology which could have significant impact on the gaseous diffusion plants. Scoping studies of solid sorbents and reaction conditions have been conducted. In a series of statistically designed experiments, the effects of total gas flow, temperature, and fluoride gas flow were studied for eight dry chemicals in a 1-in. diameter fixed bed designed to remove three separate fluoride gas species (hydrogen fluoride (HF), fluorine (F/sub 2/), and chlorine trifluoride (ClF/sub 3/)) from an air stream. The trapping materials selected for the test include two brands of four different material types: soda lime, oolitic calcium carbonate (CaCO/sub 3/), calcium oxide (CaO), and activated alumina (Al/sub 2/O/sub 3/). Additionally, loading factors and material utilization were determined to allow an economic comparison to be made between bed materials.
Ash level meter for a fixed-bed coal gasifier
Fasching, George E. (Morgantown, WV)
1984-01-01
An ash level meter for a fixed-bed coal gasifier is provided which utilizes the known ash level temperature profile to monitor the ash bed level. A bed stirrer which travels up and down through the extent of the bed ash level is modified by installing thermocouples to measure the bed temperature as the stirrer travels through the stirring cycle. The temperature measurement signals are transmitted to an electronic signal process system by an FM/FM telemetry system. The processing system uses the temperature signals together with an analog stirrer position signal, taken from a position transducer disposed to measure the stirrer position to compute the vertical location of the ash zone upper boundary. The circuit determines the fraction of each total stirrer cycle time the stirrer-derived bed temperature is below a selected set point, multiplies this fraction by the average stirrer signal level, multiplies this result by an appropriate constant and adds another constant such that a 1 to 5 volt signal from the processor corresponds to a 0 to 30 inch span of the ash upper boundary level. Three individual counters in the processor store clock counts that are representative of: (1) the time the stirrer temperature is below the set point (500.degree. F.), (2) the time duration of the corresponding stirrer travel cycle, and (3) the corresponding average stirrer vertical position. The inputs to all three counters are disconnected during any period that the stirrer is stopped, eliminating corruption of the measurement by stirrer stoppage.
Isolated thermocouple amplifier system for stirred fixed-bed gasifier
Fasching, George E. (Morgantown, WV)
1992-01-01
A sensing system is provided for determining the bed temperature profile of the bed of a stirred, fixed-bed gasifier including a plurality of temperature sensors for sensing the bed temperature at different levels, a transmitter for transmitting data based on the outputs of the sensors to a remote operator's station, and a battery-based power supply. The system includes an isolation amplifier system comprising a plurality of isolation amplifier circuits for amplifying the outputs of the individual sensors. The isolation amplifier circuits each comprise an isolation operational amplifier connected to a sensor; a first "flying capacitor" circuit for, in operation, controlling the application of power from the power supply to the isolation amplifier; an output sample and hold circuit connected to the transmitter; a second "flying capacitor" circuit for, in operation, controlling the transfer of the output of the isolation amplifier to the sample and hold circuit; and a timing and control circuit for activating the first and second capacitor circuits in a predetermined timed sequence.
Simulating full QCD with the fixed point action
Hasenfratz, Anna; Hasenfratz, Peter; Niedermayer, Ferenc
2005-12-01
Because of its complex structure the parametrized fixed point action can not be simulated with the available local updating algorithms. We constructed, coded, and tested an updating procedure with 2+1 light flavors, where the targeted s quark mass is at its physical value while the u and d quarks should produce pions lighter than 300 MeV. In the algorithm a partially global gauge update is followed by several accept/reject steps, where parts of the determinant are switched on gradually in the order of their costs. The trial configuration that is offered in the last, most expensive, stochastic accept/reject step differs from the original configuration by a Metropolis + over-relaxation gauge update over a subvolume of {approx}(1.3 fm){sup 4}. The acceptance rate in this accept/reject step is {approx}0.4. The code is optimized on different architectures and is running on lattices with L{sub s}{approx_equal}1.2 fm and 1.8 fm at a resolution of a{approx_equal}0.15 fm.
Fixed-bed bioreactor system for the microbial solubilization of coal
Scott, C.D.; Strandberg, G.W.
1987-09-14
A fixed-bed bioreactor system for the conversion of coal into microbially solubilized coal products. The fixed-bed bioreactor continuously or periodically receives coal and bio-reactants and provides for the large scale production of microbially solubilized coal products in an economical and efficient manner. An oxidation pretreatment process for rendering coal uniformly and more readily susceptible to microbial solubilization may be employed with the fixed-bed bioreactor. 1 fig., 1 tab.
Impact of Fixed Exterior Shading on Daylighting: A Case Study of the David Brower Center
Zelenay, Krystyna
2011-01-01
shading type Fixed exterior white-painted aluminum louvers on 2nd and 3rd floors, awning at ground floor, photovoltaic
EVOLUTIONARY AND GEOLOGIC CONSEQUENCES OF ORGANIC CARBON FIXING IN THE PRIMITIVE ANOXIC OCEAN
Berry, W.B.N.
2013-01-01
fix carbon dioxide. The free source to energy relationshipsfree energy derived from use of hydrogen chemosynthesis sulfide as an energy source
SF6432-NI Fixed Price Contracts with the Newly Independent States...
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
CORPORATION SF 6432-NI (112015) SECTION II STANDARD TERMS AND CONDITIONS FOR FIXED PRICE CONTRACTS WITH THE NEWLY INDEPENDENT STATES OF THE FORMER SOVIET UNION THE FOLLOWING...
Investigation of the June 29, 2012, Fall from a Fixed Ladder...
Brookhaven National Laboratory August 2012 On June 29, 2012, at approximately 2:35 p.m., a Brookhaven Sciences Associates maintenance metals worker was climbing a fixed...
The pointer basis and the feedback stabilization of quantum systems
L. Li; A. Chia; H. M. Wiseman
2014-11-19
The dynamics for an open quantum system can be `unravelled' in infinitely many ways, depending on how the environment is monitored, yielding different sorts of conditioned states, evolving stochastically. In the case of ideal monitoring these states are pure, and the set of states for a given monitoring forms a basis (which is overcomplete in general) for the system. It has been argued elsewhere [D. Atkins et al., Europhys. Lett. 69, 163 (2005)] that the `pointer basis' as introduced by Zurek and Paz [Phys. Rev. Lett 70, 1187(1993)], should be identified with the unravelling-induced basis which decoheres most slowly. Here we show the applicability of this concept of pointer basis to the problem of state stabilization for quantum systems. In particular we prove that for linear Gaussian quantum systems, if the feedback control is assumed to be strong compared to the decoherence of the pointer basis, then the system can be stabilized in one of the pointer basis states with a fidelity close to one (the infidelity varies inversely with the control strength). Moreover, if the aim of the feedback is to maximize the fidelity of the unconditioned system state with a pure state that is one of its conditioned states, then the optimal unravelling for stabilizing the system in this way is that which induces the pointer basis for the conditioned states. We illustrate these results with a model system: quantum Brownian motion. We show that even if the feedback control strength is comparable to the decoherence, the optimal unravelling still induces a basis very close to the pointer basis. However if the feedback control is weak compared to the decoherence, this is not the case.
RELIABILITY BASED DESIGN OF FIXED FOUNDATION WIND TURBINES
Nichols, R.
2013-10-14
Recent analysis of offshore wind turbine foundations using both applicable API and IEC standards show that the total load demand from wind and waves is greatest in wave driven storms. Further, analysis of overturning moment loads (OTM) reveal that impact forces exerted by breaking waves are the largest contributor to OTM in big storms at wind speeds above the operating range of 25 m/s. Currently, no codes or standards for offshore wind power generators have been adopted by the Bureau of Ocean Energy Management Regulation and Enforcement (BOEMRE) for use on the Outer Continental Shelf (OCS). Current design methods based on allowable stress design (ASD) incorporate the uncertainty in the variation of loads transferred to the foundation and geotechnical capacity of the soil and rock to support the loads is incorporated into a factor of safety. Sources of uncertainty include spatial and temporal variation of engineering properties, reliability of property measurements applicability and sufficiency of sampling and testing methods, modeling errors, and variability of estimated load predictions. In ASD these sources of variability are generally given qualitative rather than quantitative consideration. The IEC 61400‐3 design standard for offshore wind turbines is based on ASD methods. Load and resistance factor design (LRFD) methods are being increasingly used in the design of structures. Uncertainties such as those listed above can be included quantitatively into the LRFD process. In LRFD load factors and resistance factors are statistically based. This type of analysis recognizes that there is always some probability of failure and enables the probability of failure to be quantified. This paper presents an integrated approach consisting of field observations and numerical simulation to establish the distribution of loads from breaking waves to support the LRFD of fixed offshore foundations.
A Reduced Basis Element Approach for the Reynolds Lubrication Equation
A Reduced Basis Element Approach for the Reynolds Lubrication Equation Lösen der Reynolds Reynolds Lubrication Equation 8 2.1 Introduction of the application, background setting . . . . . . . . . . . . . . . . . . . . . . 8 2.2 Reynolds Lubrication Equation
Refined error estimates for matrix-valued radial basis functions
Fuselier, Edward J., Jr.
2007-09-17
Radial basis functions (RBFs) are probably best known for their applications to scattered data problems. Until the 1990s, RBF theory only involved functions that were scalar-valued. Matrix-valued RBFs were subsequently ...
Preconditioned solenoidal basis method for incompressible fluid flows
Wang, Xue
2006-04-12
This thesis presents a preconditioned solenoidal basis method to solve the algebraic system arising from the linearization and discretization of primitive variable formulations of Navier-Stokes equations for incompressible ...
The biomechanical basis of evolutionary change in a territorial display
Ord, Terry
The biomechanical basis of evolutionary change in a territorial display Terry J. Ord*,1 , David C on Puerto Rico. 5. Our study shows how the biomechanics of a social signal can have important implications
Advanced Test Reactor Design Basis Reconstitution Project Issue Resolution Process
Steven D. Winter; Gregg L. Sharp; William E. Kohn; Richard T. McCracken
2007-05-01
The Advanced Test Reactor (ATR) Design Basis Reconstitution Program (DBRP) is a structured assessment and reconstitution of the design basis for the ATR. The DBRP is designed to establish and document the ties between the Document Safety Analysis (DSA), design basis, and actual system configurations. Where the DBRP assessment team cannot establish a link between these three major elements, a gap is identified. Resolutions to identified gaps represent configuration management and design basis recovery actions. The proposed paper discusses the process being applied to define, evaluate, report, and address gaps that are identified through the ATR DBRP. Design basis verification may be performed or required for a nuclear facility safety basis on various levels. The process is applicable to large-scale design basis reconstitution efforts, such as the ATR DBRP, or may be scaled for application on smaller projects. The concepts are applicable to long-term maintenance of a nuclear facility safety basis and recovery of degraded safety basis components. The ATR DBRP assessment team has observed numerous examples where a clear and accurate link between the DSA, design basis, and actual system configuration was not immediately identifiable in supporting documentation. As a result, a systematic approach to effectively document, prioritize, and evaluate each observation is required. The DBRP issue resolution process provides direction for consistent identification, documentation, categorization, and evaluation, and where applicable, entry into the determination process for a potential inadequacy in the safety analysis (PISA). The issue resolution process is a key element for execution of the DBRP. Application of the process facilitates collection, assessment, and reporting of issues identified by the DBRP team. Application of the process results in an organized database of safety basis gaps and prioritized corrective action planning and resolution. The DBRP team follows the ATR DBRP issue resolution process which provides a method for the team to promptly sort and prioritize questions and issues between those that can be addressed as a normal part of the reconstitution project and those that are to be handle as PISAs. Presentation of the DBRP issue resolution process provides an example for similar activities that may be required at other facilities within the Department of Energy complex.
The Oblique Basis Method from an Engineering Point of View
V. G. Gueorguiev
2012-10-16
The oblique basis method is reviewed from engineering point of view related to vibration and control theory. Examples are used to demonstrate and relate the oblique basis in nuclear physics to the equivalent mathematical problems in vibration theory. The mathematical techniques, such as principal coordinates and root locus, used by vibration and control theory engineers are shown to be relevant to the Richardson - Gaudin pairing-like problems in nuclear physics.
Geometric structures associated to triangulations as fixed point sets of involutions
Falbel, Elisha
Geometric structures associated to triangulations as fixed point sets of involutions E. Falbel-mail: falbelmath.jussieu.fr November 14, 2006 Abstract We establish that hyperbolic structures and spherical CR structures on a three dimensional manifold are contained in fixed point sets of a larger class of structures
Geometric structures associated to triangulations as fixed point sets of involutions
Falbel, Elisha
Geometric structures associated to triangulations as fixed point sets of involutions E. FalbelÂmail: falbelmath.jussieu.fr March 31, 2009 Abstract We establish that hyperbolic structures and spherical CR structures on a three dimensional manifold are contained in fixed point sets of a larger class of structures
Formulas for phase recovering from phaseless scattering data at fixed frequency
Roman Novikov
2015-02-14
We consider quantum and acoustic wave propagation at fixed frequency for compactly supported scatterers in dimension $d\\ge 2$. In these framework we give explicit formulas for phase recovering from appropriate phaseless scattering data. As a corollary, we give global uniqueness results for quantum and acoustic inverse scattering at fixed frequency without phase information.
Classifying Field Crash Reports for Fixing Bugs : A Case Study of Mozilla Firefox
Zou, Ying
Classifying Field Crash Reports for Fixing Bugs : A Case Study of Mozilla Firefox Tejinder Dhaliwal collection of field crash-reports which record the stack traces and other runtime information when crashes occur. Analysis of field crash-reports can help developers to locate and fix bugs. However, the amount
A quantitative version of Kirk's fixed point theorem for asymptotic contractions
Gerhardy, Philipp
A quantitative version of Kirk's fixed point theorem for asymptotic contractions Philipp Gerhardy Abstract In [J.Math.Anal.App.277(2003) 645-650], W.A.Kirk introduced the notion of asymp- totic Introduction In [3], W.A. Kirk proved a fixed-point theorem for so-called asymptotic con- tractions on complete
A quantitative version of Kirk's fixed point theorem for asymptotic contractions
Gerhardy, Philipp
A quantitative version of Kirk's fixed point theorem for asymptotic contractions Philipp Gerhardy Abstract In [J.Math.Anal.App.277(2003) 645650], W.A.Kirk introduced the notion of asymp totic Introduction In [3], W.A. Kirk proved a fixedpoint theorem for socalled asymptotic con tractions on complete
A Robust STATCOM Control to Augment LVRT capability of Fixed Speed Wind Turbines
Pota, Himanshu Roy
A Robust STATCOM Control to Augment LVRT capability of Fixed Speed Wind Turbines M. J. Hossain, H Compensator (STATCOM) to enhance the Low-Voltage Ride- Through (LVRT) capability of fixed-speed wind turbines cost and maintenance due to rugged brushless construction. Constant speed wind turbines equipped
A FIRST PRINCIPLES BASED METHOD FOR THE PREDICTION OF LOADING OVER FIXED AND ROTARY WING GEOMETRIES
A FIRST PRINCIPLES BASED METHOD FOR THE PREDICTION OF LOADING OVER FIXED AND ROTARY WING GEOMETRIES Lakshmi N. Sankar and Mert Berkman School of Aerospace Engineering Georgia Institute of Technology-principles based techniques for the prediction of fixed and rotary wing wake geometry are described
Taxes-Fixed Price UT-B Contracts Div Page 1 of 1
Taxes-Fixed Price UT-B Contracts Div July 2006 Page 1 of 1 taxes-fp-ext-july06.doc TAXES--FIXED PRICE (July 2006) FEDERAL, STATE, AND LOCAL TAXES (a) Definitions. As used throughout this clause in this Agreement, the Agreement price includes all applicable Federal taxes in effect on the Agreement date. (c
Arbitrage With Fixed Costs" and Interest Rate Models Elys JOUINI Clotilde NAPPy
Paris-Sud XI, Université de
Arbitrage With Fixed Costs" and Interest Rate Models Elyès JOUINI Clotilde NAPPy June 26, 2007 Congress participants and in particular D. Feldman. 1 #12;Arbitrage With "Fixed Costs" and Interest Rate Models Abstract In this paper, we study securities market models with "...xed costs." We characterize
When Auction Meets Fixed Price: A Theoretical and Empirical Examination of Buy-it-Now
Faloutsos, Christos
such as the customer's cost of participating in the auction, the seller's reserve price, and the number of potential design. Economists advocate the efficiency of auctions over fixed price markets when auction costsWhen Auction Meets Fixed Price: A Theoretical and Empirical Examination of Buy-it-Now Auctions Xin
The Advantages of Fixed Facilities in Characterizing TRU Wastes
FRENCH, M.S.
2000-02-08
In May 1998 the Hanford Site started developing a program for characterization of transuranic (TRU) waste for shipment to the Waste Isolation Pilot Plant (WIPP) in New Mexico. After less than two years, Hanford will have a program certified by the Carlsbad Area Office (CAO). By picking a simple waste stream, taking advantage of lessons learned at the other sites, as well as communicating effectively with the CAO, Hanford was able to achieve certification in record time. This effort was further simplified by having a centralized program centered on the Waste Receiving and Processing (WRAP) Facility that contains most of the equipment required to characterize TRU waste. The use of fixed facilities for the characterization of TRU waste at sites with a long-term clean-up mission can be cost effective for several reasons. These include the ability to control the environment in which sensitive instrumentation is required to operate and ensuring that calibrations and maintenance activities are scheduled and performed as an operating routine. Other factors contributing to cost effectiveness include providing approved procedures and facilities for handling hazardous materials and anticipated contingencies and performing essential evolutions, and regulating and smoothing the work load and environmental conditions to provide maximal efficiency and productivity. Another advantage is the ability to efficiently provide characterization services to other sites in the Department of Energy (DOE) Complex that do not have the same capabilities. The Waste Receiving and Processing (WRAP) Facility is a state-of-the-art facility designed to consolidate the operations necessary to inspect, process and ship waste to facilitate verification of contents for certification to established waste acceptance criteria. The WRAP facility inspects, characterizes, treats, and certifies transuranic (TRU), low-level and mixed waste at the Hanford Site in Washington state. Fluor Hanford operates the $89 million facility under the Project Hanford Management Contract. This paper describes the operating experiences and results obtained during the first year of full operations at WRAP. Interested audiences include personnel involved in TRU waste characterization activities, TRU waste treatment and disposal facilities and TRU waste certification. The conclusions of this paper are that WRAP has proven itself to be a valuable asset for low-level and TRU waste management.
The Zeeman Effect in Finance: Libor Spectroscopy and Basis Risk Management
Marco Bianchetti
2012-10-27
Once upon a time there was a classical financial world in which all the Libors were equal. Standard textbooks taught that simple relations held, such that, for example, a 6 months Libor Deposit was replicable with a 3 months Libor Deposits plus a 3x6 months Forward Rate Agreement (FRA), and that Libor was a good proxy of the risk free rate required as basic building block of no-arbitrage pricing theory. Nowadays, in the modern financial world after the credit crunch, some Libors are more equal than others, depending on their rate tenor, and classical formulas are history. Banks are not anymore too "big to fail", Libors are fixed by panels of risky banks, and they are risky rates themselves. These simple empirical facts carry very important consequences in derivative's trading and risk management, such as, for example, basis risk, collateralization and regulatory pressure in favour of Central Counterparties. Something that should be carefully considered by anyone managing even a single plain vanilla Swap. In this qualitative note we review the problem trying to shed some light on this modern animal farm, recurring to an analogy with quantum physics, the Zeeman effect.
The Zeeman Effect in Finance: Libor Spectroscopy and Basis Risk Management
Bianchetti, Marco
2012-01-01
Once upon a time there was a classical financial world in which all the Libors were equal. Standard textbooks taught that simple relations held, such that, for example, a 6 months Libor Deposit was replicable with a 3 months Libor Deposits plus a 3x6 months Forward Rate Agreement (FRA), and that Libor was a good proxy of the risk free rate required as basic building block of no-arbitrage pricing theory. Nowadays, in the modern financial world after the credit crunch, some Libors are more equal than others, depending on their rate tenor, and classical formulas are history. Banks are not anymore too "big to fail", Libors are fixed by panels of risky banks, and they are risky rates themselves. These simple empirical facts carry very important consequences in derivative's trading and risk management, such as, for example, basis risk, collateralization and regulatory pressure in favour of Central Counterparties. Something that should be carefully considered by anyone managing even a single plain vanilla Swap. In t...
Emergence of the pointer basis through the dynamics of correlations
M. F. Cornelio; O. Jiménez Farías; F. F. Fanchini; I. Frerot; G. H. Aguilar; M. O. Hor-Meyll; M. C. de Oliveira; S. P. Walborn; A. O. Caldeira; P. H. Souto Ribeiro
2012-10-04
We use the classical correlation between a quantum system being measured and its measurement apparatus to analyze the amount of information being retrieved in a quantum measurement process. Accounting for decoherence of the apparatus, we show that these correlations may have a sudden transition from a decay regime to a constant level. This transition characterizes a non-asymptotic emergence of the pointer basis, while the system-apparatus can still be quantum correlated. We provide a formalization of the concept of emergence of a pointer basis in an apparatus subject to decoherence. This contrast of the pointer basis emergence to the quantum to classical transition is demonstrated in an experiment with polarization entangled photon pairs.
Resilient Control Systems Practical Metrics Basis for Defining Mission Impact
Craig G. Rieger
2014-08-01
"Resilience” describes how systems operate at an acceptable level of normalcy despite disturbances or threats. In this paper we first consider the cognitive, cyber-physical interdependencies inherent in critical infrastructure systems and how resilience differs from reliability to mitigate these risks. Terminology and metrics basis are provided to integrate the cognitive, cyber-physical aspects that should be considered when defining solutions for resilience. A practical approach is taken to roll this metrics basis up to system integrity and business case metrics that establish “proper operation” and “impact.” A notional chemical processing plant is the use case for demonstrating how the system integrity metrics can be applied to establish performance, and
The Functional Requirements and Design Basis for Information Barriers
Fuller, James L.
2012-05-01
This report summarizes the results of the Information Barrier Working Group workshop held at Sandia National Laboratory in Albuquerque, NM, February 2-4, 1999. This workshop was convened to establish the functional requirements associated with warhead radiation signature information barriers, to identify the major design elements of any such system or approach, and to identify a design basis for each of these major elements. Such information forms the general design basis to be used in designing, fabricating, and evaluating the complete integrated systems developed for specific purposes.
Basis invariant measure of CP-violation and renormalization
A. Hohenegger; A. Kartavtsev
2014-12-27
We analyze, in the context of a simple toy model, for which renormalization schemes the CP-properties of bare Lagrangian and its finite part coincide. We show that this is the case for the minimal subtraction and on-shell schemes. The CP-properties of the theory can then be characterized by CP-odd basis invariants expressed in terms of renormalized masses and couplings. For the minimal subtraction scheme we furthermore show that in CP-conserving theories the CP-odd basis invariants are zero at any scale but are not renormalization group invariant in CP-violating ones.
Operational experience using the novel FixCup collecting main valve
Giertz, J.; Huhn, F. [DMT-Gesellschaft fuer Forschung und Pruefung mbH, Essen (Germany). Inst. for Cokemaking and Fuel Technology; Spitz, J. [Thyssen Stahl AG, Duisburg (Germany)
1996-12-31
On the occasion of the 1995 AIME conference the new PROven (Pressure Regulated Oven) process to control the pressure in coke ovens individually was introduced. This process was made feasible with a new collecting main valve, termed FixCup, with the aid of this valve a variable flow resistance to the raw gas discharge can be realized using a water immersion system. However, just the application of the FixCup system alone--without any pressure regulation--is very advantageous and cost saving. Thyssen has equipped 30 ovens with the new valve. The special constructive features as well as the operational experience using the FixCup valve are treated.
Prospectives for A Fixed-Target ExpeRiment at the LHC: AFTER@LHC
Lansberg, J P; Didelez, J P; Genolini, B; Hadjidakis, C; Lorce, C; Rosier, P; Anselmino, M; Arnaldi, R; Scomparin, E; Brodsky, S J; Ferreiro, E G; Fleuret, F; Rakotozafindrabe, A; Schienbein, I; Uggerhoj, U I
2012-01-01
We argue that the concept of a multi-purpose fixed-target experiment with the proton or lead-ion LHC beams extracted by a bent crystal would offer a number of ground-breaking precision-physics opportunities. The multi-TeV LHC beams will allow for the most energetic fixed-target experiments ever performed. The fixed-target mode has the advantage of allowing for high luminosities, spin measurements with a polarised target, and access over the full backward rapidity domain --uncharted until now-- up to x_F ~ -1.
Renaissance of the ~1 TeV Fixed-Target Program
Adams, T.; Appel, Jeffrey A.; Arms, Kregg Elliott; Balantekin, A.B.; Conrad, Janet Marie; Cooper, Peter S.; Djurcic, Zelimir; Dunwoodie, William M.; Engelfried, Jurgen; Fisher, Peter H.; Gottschalk, E.; /Fermilab /Northwestern U.
2009-05-01
This document describes the physics potential of a new fixed-target program based on a {approx} TeV proton source. Two proton sources are potentially available in the future: the existing Tevatron at Fermilab, which can provide 800 GeV protons for fixed-target physics, and a possible upgrade to the SPS at CERN, called SPS+, which would produce 1 TeV protons on target. In this paper we use an example Tevatron fixed-target program to illustrate the high discovery potential possible in the charm and neutrino sectors. We highlight examples which are either unique to the program or difficult to accomplish at other venues.
Renaissance of the ~ 1-TeV Fixed-Target Program
Adams, T.; Appel, J.A.; Arms, K.E.; Balantekin, A.B.; Conrad, J.M.; Cooper, P.S.; Djurcic, Z.; Dunwoodie, W.; Engelfried, J.; Fisher, P.H.; Gottschalk, Erik Edward; de Gouvea, A.; Heller, K.; Ignarra, C.M.; Karagiorgi, G.; Kwan, S.; Loinaz, W.A.; Meadows, B.; Moore, R.; Morfin, J.G.; Naples, D.; /Pittsburgh U. /St. Mary's Coll., Minnesota /New Mexico State U. /Michigan U. /Wayne State U. /South Carolina U. /Florida U. /Carnegie Mellon U. /Cincinnati U. /Columbia U. /Columbia U. /Northwestern U. /Yale U. /Fermilab /Argonne /Northwestern U. /APC, Paris
2011-12-02
This document describes the physics potential of a new fixed-target program based on a {approx}1 TeV proton source. Two proton sources are potentially available in the future: the existing Tevatron at Fermilab, which can provide 800 GeV protons for fixed-target physics, and a possible upgrade to the SPS at CERN, called SPS+, which would produce 1 TeV protons on target. In this paper we use an example Tevatron fixed-target program to illustrate the high discovery potential possible in the charm and neutrino sectors. We highlight examples which are either unique to the program or difficult to accomplish at other venues.
Fixed point action and topology in the CP{sup 3} model
Burkhalter, R.
1996-09-01
We define a fixed point action in two-dimensional lattice CP{sup {ital N}{minus}1} models. The fixed point action is a classical perfect lattice action, which is expected to show strongly reduced cutoff effects in numerical simulations. Furthermore, the action has scale-invariant instanton solutions, which enables us to define a correct topological charge without topological defects. Using a parametrization of the fixed point action for the CP{sup 3} model in a Monte Carlo simulation, we study the topological susceptibility. {copyright} {ital 1996 The American Physical Society.}
Canister Storage Building (CSB) Design Basis Accident Analysis Documentation
CROWE, R.D.; PIEPHO, M.G.
2000-03-23
This document provided the detailed accident analysis to support HNF-3553, Spent Nuclear Fuel Project Final Safety Analysis Report, Annex A, ''Canister Storage Building Final Safety Analysis Report''. All assumptions, parameters, and models used to provide the analysis of the design basis accidents are documented to support the conclusions in the Canister Storage Building Final Safety Analysis Report.
Cold Vacuum Drying (CVD) Facility Design Basis Accident Analysis Documentation
PIEPHO, M.G.
1999-10-20
This document provides the detailed accident analysis to support HNF-3553, Annex B, Spent Nuclear Fuel Project Final Safety Analysis Report, ''Cold Vacuum Drying Facility Final Safety Analysis Report (FSAR).'' All assumptions, parameters and models used to provide the analysis of the design basis accidents are documented to support the conclusions in the FSAR.
Basis and Lattice Polarization Mechanisms for Light Transmission
Brolo, Alexandre G.
Basis and Lattice Polarization Mechanisms for Light Transmission through Nanohole Arrays in a Metal light transmission through double-hole and elliptical nanohole arrays in a thin gold film plasmon waves and the evanescent transmission through the nanoholes. Both of these effects need
Solar Power Tower Design Basis Document, Revision 0
ZAVOICO,ALEXIS B.
2001-07-01
This report contains the design basis for a generic molten-salt solar power tower. A solar power tower uses a field of tracking mirrors (heliostats) that redirect sunlight on to a centrally located receiver mounted on top a tower, which absorbs the concentrated sunlight. Molten nitrate salt, pumped from a tank at ground level, absorbs the sunlight, heating it up to 565 C. The heated salt flows back to ground level into another tank where it is stored, then pumped through a steam generator to produce steam and make electricity. This report establishes a set of criteria upon which the next generation of solar power towers will be designed. The report contains detailed criteria for each of the major systems: Collector System, Receiver System, Thermal Storage System, Steam Generator System, Master Control System, and Electric Heat Tracing System. The Electric Power Generation System and Balance of Plant discussions are limited to interface requirements. This design basis builds on the extensive experience gained from the Solar Two project and includes potential design innovations that will improve reliability and lower technical risk. This design basis document is a living document and contains several areas that require trade-studies and design analysis to fully complete the design basis. Project- and site-specific conditions and requirements will also resolve open To Be Determined issues.
NEAT-IGERT Proposal C. THEMATIC BASIS FOR GROUP EFFORT
Islam, M. Saif
NEAT-IGERT Proposal C. THEMATIC BASIS FOR GROUP EFFORT The last decade has seen immense progress the research and teaching interests of fourteen investigators in seven different departments ranging from, to the actual structure and management of the group. The Ph.D.'s from this program will be well poised to embark
Final Report History and Basis of NESHAPs and Subpart W
a Rulemaking to Modify the NESHAP Subpart W Standard for Radon Emissions from Operating Uranium Mills (40 CFR a National Emission Standard for Hazardous Air Pollutant (NESHAP) for radon emissions from operating uraniumFinal Report History and Basis of NESHAPs and Subpart W Prepared by S. Cohen & Associates 1608
Group Non-negative Basis Pursuit for Automatic Music Transcription
Plumbley, Mark
Group Non-negative Basis Pursuit for Automatic Music Transcription Ken O'Hanlon1 , Mark D. Plumbley1 {keno, Mark.Plumbley}@eecs.qmul.ac.uk Centre for Digital Music, Queen Mary University of London for AMT (O'Hanlon et al.). Group sparsity considers that certain groups of atoms tend to be ac- tive
CRAD, Safety Basis- Idaho Accelerated Retrieval Project Phase II
Broader source: Energy.gov [DOE]
A section of Appendix C to DOE G 226.1-2 "Federal Line Management Oversight of Department of Energy Nuclear Facilities." Consists of Criteria Review and Approach Documents (CRADs) used for a February 2006 Commencement of Operations assessment of the Safety Basis at the Idaho Accelerated Retrieval Project Phase II.
Financing industrial boiler projects on a non-recourse basis
Anderson, C.
1995-09-01
Techniques for the financing of industrial boiler projects on a non-recourse basis are outlined. The following topics are discussed: types of projects; why non-recourse (off-balance sheet) financing; the down side; construction lenders requirements; and term lender/subdebt requirements.
Mednick, Sara C.
The Quick Fix: Napping | Living Healthy | Reader's Digest http://www.rd.com Make Your Mark #12;The Quick Fix: Napping | Living Healthy | Reader's Digest http://www.rd.com Text SizeBookmark Yahoo! Buzz #12;The Quick Fix: Napping | Living Healthy | Reader's Digest http://www
Fixed Low-Order Controller Design and H Optimization for Large-Scale
Overton, Michael L.
fuel cell system (Wang and Fixed Low-Order Controller Design and H Optimization for Large-Scale Dynamical Systems Tim Mitchell maximizer of the associated transfer function. Our controller design code uses nonsmooth optimization
Has the Bug Really Been Fixed? Zhongxian Gu Earl T. Barr David J. Hamilton Zhendong Su
Su, Zhendong
bugs. To confirm this folklore, we explored bug databases of the Ant, AspectJ, and Rhino projects implemented FIXATION, a proto- type that automatically detects bad fixes for Java programs. When it detects
Real-Time Obstacle and Collision Avoidance System for Fixed-Wing Unmanned Aerial Systems
Esposito, Julien Florian
2013-08-31
The motivation for the research presented in this dissertation is to provide a two-fold solution to the problem of non-cooperative reactive mid-air threat avoidance for fixed-wing unmanned aerial systems. The first phase ...
Crimp sealing of tubes flush with or below a fixed surface
Fischer, J.E.; Walmsley, D.; Wapman, P.D.
1996-08-20
An apparatus for crimp sealing and severing tubes flush or below a fixed surface. Tube crimping below a fixed surface requires an asymmetric die and anvil configuration. The anvil must be flat so that, after crimping, it may be removed without deforming the crimped tubes. This asymmetric die and anvil is used when a ductile metal tube and valve assembly are attached to a pressure vessel which has a fixed surface around the base of the tube at the pressure vessel. A flat anvil is placed against the tube. Die guides are placed against the tube on a side opposite the anvil. A pinch-off die is inserted into the die guides against the tube. Adequate clearance for inserting the die and anvil around the tube is needed below the fixed surface. The anvil must be flat so that, after crimping, it may be removed without deforming the crimped tubes. 8 figs.
Rasch, Kevin M.; Hu, Shuming; Mitas, Lubos [Center for High Performance Simulation and Department of Physics, North Carolina State University, Raleigh, North Carolina 27695 (United States)] [Center for High Performance Simulation and Department of Physics, North Carolina State University, Raleigh, North Carolina 27695 (United States)
2014-01-28
We elucidate the origin of large differences (two-fold or more) in the fixed-node errors between the first- vs second-row systems for single-configuration trial wave functions in quantum Monte Carlo calculations. This significant difference in the valence fixed-node biases is studied across a set of atoms, molecules, and also Si, C solid crystals. We show that the key features which affect the fixed-node errors are the differences in electron density and the degree of node nonlinearity. The findings reveal how the accuracy of the quantum Monte Carlo varies across a variety of systems, provide new perspectives on the origins of the fixed-node biases in calculations of molecular and condensed systems, and carry implications for pseudopotential constructions for heavy elements.
Quarkonium Physics at a Fixed-Target Experiment Using the LHC...
Office of Scientific and Technical Information (OSTI)
Quarkonium Physics at a Fixed-Target Experiment Using the LHC Beams Lansberg, J.P.; Orsay, IPN; Brodsky, S.J.; SLAC; Fleuret, F.; Ecole Polytechnique; Hadjidakis, C.; Orsay,...
Fixed Points and elements of Domain theory continuation 1 Examples Context free Grammars
Rabinovich, Alexander
= #15; j aE 2. E = a j bEb 3. E = #15; j aaEE One can use fixed point theorem to provide the semantics
Fixing and pelleting chromatin/nuclei from extracts onto coverslips for immunofluorescence
Mitchison, Tim
Fixing and pelleting chromatin/nuclei from extracts onto coverslips for immunofluorescence Arshad. poly-lysine coated coverslips. 4. spin down tubes (or equivalent method to pellet onto coverslips; our
[FIXED] perl 5.16.0 File::Glob() causes crashes
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
perl 5.16.0 File::Glob() causes crashes FIXED perl 5.16.0 File::Glob() causes crashes August 15, 2013 by Doug Jacobsen (1 Comments) There is an issue with the default modules...
Renaissance of the ~1 TeV fixed-target program
Conrad, Janet
This document describes the physics potential of a new fixed-target program based on a ~1 TeV proton source. Two proton sources are potentially available in the future: the existing Tevatron at Fermilab, which can provide ...
DOE Prepared for Implementation of Fixed-Price Hanford 222-S...
Broader source: Energy.gov (indexed) [DOE]
the protest and DOE is now prepared to start transition to the primarily firm-fixed-price contract. In an effort to better align contractor and taxpayer interests, the contract...
EM Finds Success with Fixed-Priced Hybrid Contract Approach Benefittin...
at the Hanford site. The Hanford success story marked EM's latest use of a hybrid fixed-price contract. The estimated 99 million contract went to HPM Corp., a certified minority-...
Code of practice for the storage of liquefied petroleum gas at fixed installations
Anonymous
1971-01-01
This Code provides a general guide to safe practice in storing and handling liquefied petroleum gas (LPG) at fixed storage installations where tanks are filled on site. It has been prepared primarily as a guide for any ...
Ulrike Herzog
2012-09-25
We study an optimum measurement for quantum state discrimination, which maximizes the probability of correct results when the probability of inconclusive results is fixed at a given value. The measurement describes minimum-error discrimination if this value is zero, while under certain conditions it corresponds to optimized maximum-confidence discrimination, or to optimum unambiguous discrimination, respectively, when the fixed value reaches a definite minimum. Using operator conditions that determine the optimum measurement, we derive analytical solutions for the discrimination of two mixed qubit states, including the case of two pure states occurring with arbitrary prior probabilities, and for the discrimination of N symmetric states, both pure and mixed. We also consider a case where the given density operators resolve the identity operator, and we specify the optimality conditions for the case of partially symmetric states. Moreover, we show that from the complete solution for arbitrary values of the fixed rate of inconclusive results one can always obtain the optimum measurement in another strategy where the error rate is fixed, and vice versa.
Fixed time artificial insemination of sheep using cervical and intrauterine insemination techniques
Bell, James H
1992-01-01
Record of Study FIXED TIME ARTIFICIAL INSEMINATION OF SHEEP USING CERVICAL AND INTRAUTERINE INSEMINATION TECHNIQUES A PROFESSIONAL PAPER by James H. Bell Submitted to the College of Agriculture of Texas A&M University in partial fulfillment... of the requirements for the degree of MASTER OF AGRICULTURE August 1992 Animal Science Physiology of Reproduction FIXED TIME ARTIFICIAL INSEMINATION OF SHEEP USING CERVICAL AND INTRAUTERINE INSEMINATION TECHNIQUES A Professional Paper by James Bell Approved...
The effect of velocity and porosity profiles on the performance of fixed bed reactors
Amin, Kaushik
1983-01-01
(m r) R. H. Loeppert (member) C. D. 1 and (Head of the Dept. ) December 1983 ABSTRACT THE Effect of Velocity and Porosity Profiles on the Performance of Fixed Bed Reactors (December 1983) Kaushik Amin, B. S. , M. S. University of Barcda... and velocity profiles in the modeling of fixed bed reactors. The first attempt accounting for the porosity profile in the reactor mcdel was made by Xondelik et al. (1969). They used a one dimensional parallel channel model to predict overall conversion...
Inverse fixed energy scattering problem for the two-dimensional nonlinear Schroedinger operator
Georgios Fotopoulos; Valery Serov
2014-12-01
This work studies the direct and inverse fixed energy scattering problem for two-dimensional Schroedinger equation with rather general nonlinear index of refraction. In particular, using the Born approximation we prove that all singularities of the unknown compactly supported potential from $L^2$-space can be obtained uniquely by the scattering data with fixed positive energy. The proof is based on the new estimates for the Faddeev-Green's function in $L^\\infty$-space.
Instantons and the fixed point topological charge in the two-dimensional O(3) {sigma} model
Blatter, M.; Burkhalter, R.; Hasenfratz, P.; Niedermayer, F.
1996-01-01
We define a fixed point topological charge for the two-dimensional O(3) lattice {sigma} model which is free of topological defects. We use this operator in combination with the fixed point action to measure the topological susceptibility for a wide range of correlation lengths. The results strongly suggest that it is not a physical quantity in this model. The procedure, however, can be applied to other asymptotically free theories as well. {copyright} {ital 1996 The American Physical Society.}
Bound states for Overlap and Fixed Point Actions close to the chiral limit
Stefan Haeusler; C. B. Lang
2001-05-16
We study the overlap and the fixed point Dirac operators for massive fermions in the two-flavor lattice Schwinger model. The masses of the triplet (pion) and singlet (eta) bound states are determined down to small fermion masses and the mass dependence is compared with various continuum model approximations. Near the chiral limit, at very small fermion masses the fixed point operator has stability problems, which in this study are dominated by finite size effects,
Siegel, Michael
2003-02-10
We examine semantic interoperability problems in the fixed income securities industry and propose a knowledge representation architecture for context interchange ...
J. of Indonesian Math. Soc., 10, N1, (2004), 53-62. Inverse scattering with fixed-energy data
2004-01-01
J. of Indonesian Math. Soc., 10, N1, (2004), 53-62. Inverse scattering with fixed-energy data A.G. Ramm, ramm@math.ksu.edu #12;Inverse scattering with fixed-energy data A.G. Ramm Mathematics Department for solving the three-dimensional inverse scat- tering problem with fixed-energy data is described
CRAD, Safety Basis Upgrade Review (DOE-STD-3009-2014) - May 15...
Office of Environmental Management (EM)
1) provides objectives, criteria, and approaches for establishing and maintaining the safety basis at nuclear facilities. CRAD, Safety Basis Upgrade Review (DOE-STD-3009-2014)...
Design-Load Basis for LANL Structures, Systems, and Components
I. Cuesta
2004-09-01
This document supports the recommendations in the Los Alamos National Laboratory (LANL) Engineering Standard Manual (ESM), Chapter 5--Structural providing the basis for the loads, analysis procedures, and codes to be used in the ESM. It also provides the justification for eliminating the loads to be considered in design, and evidence that the design basis loads are appropriate and consistent with the graded approach required by the Department of Energy (DOE) Code of Federal Regulation Nuclear Safety Management, 10, Part 830. This document focuses on (1) the primary and secondary natural phenomena hazards listed in DOE-G-420.1-2, Appendix C, (2) additional loads not related to natural phenomena hazards, and (3) the design loads on structures during construction.
Basis for NGNP Reactor Design Down-Selection
L.E. Demick
2011-11-01
The purpose of this paper is to identify the extent of technology development, design and licensing maturity anticipated to be required to credibly identify differences that could make a technical choice practical between the prismatic and pebble bed reactor designs. This paper does not address a business decision based on the economics, business model and resulting business case since these will vary based on the reactor application. The selection of the type of reactor, the module ratings, the number of modules, the configuration of the balance of plant and other design selections will be made on the basis of optimizing the Business Case for the application. These are not decisions that can be made on a generic basis.
The SU(3) Algebra in a Cyclic Basis
P. F. Harrison; R. Krishnan; W. G. Scott
2014-07-31
With the couplings between the eight gluons constrained by the structure constants of the su(3) algebra in QCD, one would expect that there should exist a special basis (or set of bases) for the algebra wherein, unlike in a Cartan-Weyl basis, {\\em all} gluons interact identically (cyclically) with each other, explicitly on an equal footing. We report here particular such bases, which we have found in a computer search, and we indicate associated $3 \\times 3$ representations. We conjecture that essentially all cyclic bases for su(3) may be obtained from these making appropriate circulant transformations,and that cyclic bases may also exist for other su(n), n>3.
Basis for NGNP Reactor Design Down-Selection
L.E. Demick
2010-08-01
The purpose of this paper is to identify the extent of technology development, design and licensing maturity anticipated to be required to credibly identify differences that could make a technical choice practical between the prismatic and pebble bed reactor designs. This paper does not address a business decision based on the economics, business model and resulting business case since these will vary based on the reactor application. The selection of the type of reactor, the module ratings, the number of modules, the configuration of the balance of plant and other design selections will be made on the basis of optimizing the Business Case for the application. These are not decisions that can be made on a generic basis.
The Neural Basis of Financial Risk-Taking* Supplementary Material
Knutson, Brian
1 The Neural Basis of Financial Risk-Taking* Supplementary Material Camelia M. Kuhnen1 and Brian in each block, a rational risk-neutral agent should pick stock i if he/she expects to receive a dividend D is the information set up to trial -1. That is: I-1 ={D i t| t-1, i{Stock T, Stock R, Bond C}}. Let x i = Pr{ Stock
Dark energy as a fixed point of the Einstein Yang-Mills Higgs Equations
Rinaldi, Massimiliano
2015-01-01
We study the Einstein Yang-Mills Higgs equations in the $SO(3)$ representation on a isotropic and homogeneous flat Universe, in the presence of radiation and matter fluids. We map the equations of motion into a closed dynamical system of first-order differential equations and we find the equilibrium points. We show that there is only one stable fixed point that corresponds to an accelerated expanding Universe in the future. In the past, instead, there is an unstable fixed point that implies a stiff-matter domination. In between, we find three other unstable fixed points, corresponding, in chronological order, to radiation domination, to matter domination, and, finally, to a transition from decelerated expansion to accelerated expansion. We solve the system numerically and we confirm that there are smooth trajectories that correctly describe the evolution of the Universe, from a remote past dominated by radiation to a remote future dominated by dark energy, passing through a matter-dominated phase.
Dark energy as a fixed point of the Einstein Yang-Mills Higgs Equations
Massimiliano Rinaldi
2015-09-02
We study the Einstein Yang-Mills Higgs equations in the $SO(3)$ representation on a isotropic and homogeneous flat Universe, in the presence of radiation and matter fluids. We map the equations of motion into an autonomous dynamical system of first-order differential equations and we find the equilibrium points. We show that there is only one stable fixed point that corresponds to an accelerated expanding Universe in the future. In the past, instead, there is an unstable fixed point that implies a stiff-matter domination. In between, we find three other unstable fixed points, corresponding, in chronological order, to radiation domination, to matter domination, and, finally, to a transition from decelerated expansion to accelerated expansion. We solve the system numerically and we confirm that there are smooth trajectories that correctly describe the evolution of the Universe, from a remote past dominated by radiation to a remote future dominated by dark energy, passing through a matter-dominated phase.
RELEASE OF DRIED RADIOACTIVE WASTE MATERIALS TECHNICAL BASIS DOCUMENT
KOZLOWSKI, S.D.
2007-05-30
This technical basis document was developed to support RPP-23429, Preliminary Documented Safety Analysis for the Demonstration Bulk Vitrification System (PDSA) and RPP-23479, Preliminary Documented Safety Analysis for the Contact-Handled Transuranic Mixed (CH-TRUM) Waste Facility. The main document describes the risk binning process and the technical basis for assigning risk bins to the representative accidents involving the release of dried radioactive waste materials from the Demonstration Bulk Vitrification System (DBVS) and to the associated represented hazardous conditions. Appendices D through F provide the technical basis for assigning risk bins to the representative dried waste release accident and associated represented hazardous conditions for the Contact-Handled Transuranic Mixed (CH-TRUM) Waste Packaging Unit (WPU). The risk binning process uses an evaluation of the frequency and consequence of a given representative accident or represented hazardous condition to determine the need for safety structures, systems, and components (SSC) and technical safety requirement (TSR)-level controls. A representative accident or a represented hazardous condition is assigned to a risk bin based on the potential radiological and toxicological consequences to the public and the collocated worker. Note that the risk binning process is not applied to facility workers because credible hazardous conditions with the potential for significant facility worker consequences are considered for safety-significant SSCs and/or TSR-level controls regardless of their estimated frequency. The controls for protection of the facility workers are described in RPP-23429 and RPP-23479. Determination of the need for safety-class SSCs was performed in accordance with DOE-STD-3009-94, Preparation Guide for US. Department of Energy Nonreactor Nuclear Facility Documented Safety Analyses, as described below.
The Bender-Dunne basis operators as Hilbert space operators
Bunao, Joseph; Galapon, Eric A. E-mail: eric.galapon@upd.edu.ph
2014-02-15
The Bender-Dunne basis operators, T{sub ?m,n}=2{sup ?n}?{sub k=0}{sup n}(n/k )q{sup k}p{sup ?m}q{sup n?k} where q and p are the position and momentum operators, respectively, are formal integral operators in position representation in the entire real line R for positive integers n and m. We show, by explicit construction of a dense domain, that the operators T{sub ?m,n}'s are densely defined operators in the Hilbert space L{sup 2}(R)
A theoretical basis for the Harmonic Balance Method
García-Saldaña, Johanna D
2012-01-01
The Harmonic Balance method provides a heuristic approach for finding truncated Fourier series as an approximation to the periodic solutions of ordinary differential equations. Another natural way for obtaining these type of approximations consists in applying numerical methods. In this paper we recover the pioneering results of Stokes and Urabe that provide a theoretical basis for proving that near these truncated series, whatever is the way they have been obtained, there are actual periodic solutions of the equation. We will restrict our attention to one-dimensional non-autonomous ordinary differential equations and we apply the results obtained to a couple of concrete examples coming from planar autonomous systems.
Interim safety basis for fuel supply shutdown facility
Brehm, J.R.; Deobald, T.L.; Benecke, M.W.; Remaize, J.A.
1995-05-23
This ISB in conjunction with the new TSRs, will provide the required basis for interim operation or restrictions on interim operations and administrative controls for the Facility until a SAR is prepared in accordance with the new requirements. It is concluded that the risk associated with the current operational mode of the Facility, uranium closure, clean up, and transition activities required for permanent closure, are within Risk Acceptance Guidelines. The Facility is classified as a Moderate Hazard Facility because of the potential for an unmitigated fire associated with the uranium storage buildings.
Structural Basis for the Promiscuous Biosynthetic Prenylation of Aromatic
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power AdministrationRobust,Field-effect Photovoltaics -7541C.3X-rays3Energy U.S.Structural Basis forNatural
Policy Flash 2015-02- INCREMENTALLY FUNDING FIXED-PRICE ACTIONS Revised
Broader source: Energy.gov [DOE]
The purpose of this Flash is to inform you of a revision to Acquisition Letter AL2015-01, titled Incrementally Funding Fixed-Price Actions. The revision appears in the “What Guidance is included in this AL?” section under its “Approval” subsection. The revised language appears in italics. The revision grants authority to a Head of Contracting Activity to approve incremental funding of fixed-price actions for actions within his/her approval authority. The resulting Acquisition Letter is Acquisition Letter AL2015-01R. It replaces Acquisition Letter AL2015-01
Hadron masses from fixed topology simulations: parity partners and SU(2) Yang-Mills results
Arthur Dromard; Christopher Czaban; Marc Wagner
2014-10-20
Lattice QCD simulations tend to get stuck in a single topological sector at fine lattice spacing, or when using chirally symmetric quarks. In such cases computed observables differ from their full QCD counterparts by finite size effects, which need to be understood on a quantitative level. We discuss extensions of existing relations from the literature between correlation functions at fixed topology and hadron masses at unfixed topology. Particular focus is put on disentangling positive and negative parity states, which mix, when the topological charge is fixed. We also present numerical results for SU(2) Yang-Mills Theory.
The fixed structurally robust internal model principle for linear multivariable regulators
McGrath, John Thomas
1980-01-01
for the degree of I'V. STER OF S"IENCE Vay 1980 Va jor Sub jec ~: Elec+r ical Engineering THE FIXED STRUCTURALLY ROBUST INTERNAL MODEL PRINCIPLE FOR LINEAR MULTIVARIABLE REGUIATORS A Thesis by JOHN THOMAS MCGRATH Aoproved as to style and content by... Multivariable Regulators. (May 19BC) John Thomas McGrath, B. S. , Texas ARM Unive sity Chairman of Advisory Committee: Dr. Ralph Keary Cavin III In this paper we develop the necessary and suffi- cient cond'tions to establish the new concept of' a fixed...
Hanford External Dosimetry Technical Basis Manual PNL-MA-842
Rathbone, Bruce A.
2005-02-25
The Hanford External Dosimetry Technical Basis Manual PNL-MA-842 documents the design and implementation of the external dosimetry system used at Hanford. The manual describes the dosimeter design, processing protocols, dose calculation methodology, radiation fields encountered, dosimeter response characteristics, limitations of dosimeter design under field conditions, and makes recommendations for effective use of the dosimeters in the field. The manual describes the technical basis for the dosimetry system in a manner intended to help ensure defensibility of the dose of record at Hanford and to demonstrate compliance with 10 CFR 835, DOELAP, DOE-RL, ORP, PNSO, and Hanford contractor requirements. The dosimetry system is operated by PNNL’s Hanford External Dosimetry Program which provides dosimetry services to all Hanford contractors. The primary users of this manual are DOE and DOE contractors at Hanford using the dosimetry services of PNNL. Development and maintenance of this manual is funded directly by DOE and DOE contractors. Its contents have been reviewed and approved by DOE and DOE contractors at Hanford through the Hanford Personnel Dosimetry Advisory Committee which is chartered and chaired by DOE-RL and serves as means of coordinating dosimetry practices across contractors at Hanford. This manual was established in 1996. Since inception, it has been revised many times and maintained by PNNL as a controlled document with controlled distribution. Rev. 0 marks the first revision to be released through PNNL’s Electronic Records & Information Capture Architecture (ERICA) database.
A New Basis of Geoscience: Whole-Earth Decompression Dynamics
J. Marvin Herndon
2013-07-04
Neither plate tectonics nor Earth expansion theory is sufficient to provide a basis for understanding geoscience. Each theory is incomplete and possesses problematic elements, but both have served as stepping stones to a more fundamental and inclusive geoscience theory that I call Whole-Earth Decompression Dynamics (WEDD). WEDD begins with and is the consequence of our planet's early formation as a Jupiter-like gas giant and permits deduction of:(1) Earth's internal composition, structure, and highly-reduced oxidation state; (2) Core formation without whole-planet melting; (3) Powerful new internal energy sources - proto-planetary energy of compression and georeactor nuclear fission energy; (4) Georeactor geomagnetic field generation; (5) Mechanism for heat emplacement at the base of the crust resulting in the crustal geothermal gradient; (6) Decompression driven geodynamics that accounts for the myriad of observations attributed to plate tectonics without requiring physically-impossible mantle convection, and; (7) A mechanism for fold-mountain formation that does not necessarily require plate collision. The latter obviates the necessity to assume supercontinent cycles. Here, I review the principles of Whole-Earth Decompression Dynamics and describe a new underlying basis for geoscience and geology.
An efficient basis set representation for calculating electrons in molecules
Jeremiah R. Jones; Francois-Henry Rouet; Keith V. Lawler; Eugene Vecharynski; Khaled Z. Ibrahim; Samuel Williams; Brant Abeln; Chao Yang; Daniel J. Haxton; C. William McCurdy; Xiaoye S. Li; Thomas N. Rescigno
2015-07-13
The method of McCurdy, Baertschy, and Rescigno, J. Phys. B, 37, R137 (2004) is generalized to obtain a straightforward, surprisingly accurate, and scalable numerical representation for calculating the electronic wave functions of molecules. It uses a basis set of product sinc functions arrayed on a Cartesian grid, and yields 1 kcal/mol precision for valence transition energies with a grid resolution of approximately 0.1 bohr. The Coulomb matrix elements are replaced with matrix elements obtained from the kinetic energy operator. A resolution-of-the-identity approximation renders the primitive one- and two-electron matrix elements diagonal; in other words, the Coulomb operator is local with respect to the grid indices. The calculation of contracted two-electron matrix elements among orbitals requires only O(N log(N)) multiplication operations, not O(N^4), where N is the number of basis functions; N = n^3 on cubic grids. The representation not only is numerically expedient, but also produces energies and properties superior to those calculated variationally. Absolute energies, absorption cross sections, transition energies, and ionization potentials are reported for one- (He^+, H_2^+ ), two- (H_2, He), ten- (CH_4) and 56-electron (C_8H_8) systems.
PURE STRATEGY NASH EQUILIBRIUM POINTS AND THE LEFSCHETZ FIXED POINT THEOREM
Tesfatsion, Leigh
PURE STRATEGY NASH EQUILIBRIUM POINTS AND THE LEFSCHETZ FIXED POINT THEOREM by Leigh Tesfatsion of Minnesota Minneapolis, Minnesota 55455 #12;ABSTRAcr A pure strategy Nash equilibrium point existence theorem cases of the existence theorem are also discussed. #12;PURE STRATEGY NASH EQUILIBRIUM POINTS
On the Complexity of Nash Equilibria and Other Fixed Points Kousha Etessami
Etessami, Kousha
On the Complexity of Nash Equilibria and Other Fixed Points Kousha Etessami LFCS, School Abstract We reexamine what it means to compute Nash equilibria and, more generally, what it means or more players, and given > 0, compute an approximation within of some (actual) Nash equilibrium. We show
Approximate Response Time for Fixed Priority Real-Time Systems with Energy-Harvesting
Boyer, Edmond
Approximate Response Time for Fixed Priority Real-Time Systems with Energy-Harvesting Yasmina constraints. In this problem, energy is harvested from the ambient environment and used to replenish a storage on whether their rate of energy consumption is (i) more than or (ii) no more than the storage unit
Gradient flow and IR fixed point in SU(2) with Nf=8 flavors
Viljami Leino; Tuomas Karavirta; Jarno Rantaharju; Teemu Rantalaiho; Kari Rummukainen; Joni M. Suorsa; Kimmo Tuominen
2015-11-11
We study the running of the coupling in SU(2) gauge theory with 8 massless fundamental representation fermion flavours, using the gradient flow method with the Schr\\"odinger functional boundary conditions. Gradient flow allows us to measure robust continuum limit for the step scaling function. The results show a clear indication of infrared fixed point consistent with perturbation theory.
Hutt, Axel
that rectification is the only required non-linearity and formalize the use of this simplified but efficient it is a generally a non linear consequence of both the lateral connectivity pattern and the input pattern. ThusON PRACTICAL NEURAL FIELD PARAMETERS ADJUSTMENT Fr´ed´eric Alexandre, J´eremy Fix, Axel Hutt
A fixed point formula of Lefschetz type in Arakelov geometry III: representations of
KÃ¶hler, Kai
A fixed point formula of Lefschetz type in Arakelov geometry III: representations We give a new proof of the Jantzen sum formula for integral repre- sentations of Chevalley formula of Lefschetz type in Arakelov geometry to generalized flag varieties. Our proof involves
Fixed Priority Scheduling Strategies for Ambient Energy-Harvesting Embedded systems
Paris-Sud XI, Université de
Fixed Priority Scheduling Strategies for Ambient Energy-Harvesting Embedded systems Maryline Chetto the capability to harvest energy from the environment. The electrical energy which is available to power these devices changes over time and is limited by the size of the energy storage unit such as battery
FIX COPY ORNL/Sub/84-00205/1 SEROEDGEY EQVE
Oak Ridge National Laboratory
FIX COPY ORNL/Sub/84-00205/1 SEROEDGEY EQVE C= Status of Free Piston Stirling Engine Driven Heat STIRLING ENGINE DRIVEN HEAT PUMPS-DEVELOPMENT, ISSUES, AND OPTIONS FINAL REPORT Date Published- April 1986 the results of a program to review the recent experience with free piston Stirling engine (FPSE) driven beat
Studying the high x frontier with A Fixed-Target ExpeRiment at the LHC
Rakotozafindrabe, A; Arnaldi, R; Brodsky, S J; Chambert, V; Didelez, J P; Ferreiro, E G; Fleuret, F; Genolini, B; Hadjidakis, C; Lansberg, J P; Lorce, C; Rosier, P; Schienbein, I; Scomparin, E; Uggerhoj, U I
2013-01-01
The opportunities which are offered by a next generation and multi-purpose fixed-target experiment exploiting the proton and lead LHC beams extracted by a bent crystal are outlined. In particular, such an experiment can greatly complement facilities with lepton beams by unraveling the partonic structure of polarised and unpolarised nucleons and of nuclei, especially at large momentum fractions.
Spin physics at A Fixed-Target ExpeRiment at the LHC (AFTER@LHC)
Rakotozafindrabe, A; Arnaldi, R; Brodsky, S J; Chambert, V; Didelez, J P; Ferreiro, E G; Fleuret, F; Genolini, B; Hadjidakis, C; Lansberg, J P; Lorce, C; Rosier, P; Schienbein, I; Scomparin, E; Uggerhoj, U I
2013-01-01
We outline the opportunities for spin physics which are offered by a next generation and multi-purpose fixed-target experiment exploiting the proton LHC beam extracted by a bent crystal. In particular, we focus on the study of single transverse spin asymetries with the polarisation of the target.
Kasht, Amro Ismail
2015-05-21
R Reactor Ru Ruthenium SC Supercritical SCADA Supervisory Control And Data Acquisition SCF Supercritical Fluids SC-FTS Supercritical Fischer-Tropsch Synthesis SiO2 Silica SM Static Mixer SMDS Shell Middle distillates Synthesis SNG Sweet.... ........................................................................................... 29 Figure 4. PLC/SCADA computer graphical interface. .................................................... 30 Figure 5. Dräger Polytron 7000 Fixed CO gas detector with Dräger REGARD-1 Control System connected...
Effects of sea severity on wave-overtopping for FPSO fixed in head seas
Bakrawala, Murtaza A.
2003-01-01
A series of experiments applying regular linear, nonlinear waves (Stokes 5th order-like) and random waves on a fixed FPSO model were performed in the wave-flume tank. Statistical information was gathered for wave overtopping of extreme waves...
Best-arm Identification Algorithms for Multi-Armed Bandits in the Fixed Confidence Setting
Nowak, Robert
Best-arm Identification Algorithms for Multi-Armed Bandits in the Fixed Confidence Setting Kevin with identifying the arm with the highest mean in a multi-armed bandit problem using as few independent samples from the arms as possible. While the so-called "best arm problem" dates back to the 1950s, only
Thermodynamics in 2+1 flavor QCD with improved Wilson quarks by the fixed scale approach
T. Umeda; S. Aoki; S. Ejiri; T. Hatsuda; K. Kanaya; Y. Maezawa; H. Ohno
2012-12-06
We study thermodynamic properties of 2+1 flavor QCD with improved Wilson quarks coupled with the RG improved Iwasaki glue, using the fixed scale approach. We present the results for the equation of state, renormalized Polyakov loop, and chiral condensate.
SHORT COMMUNICATION Mitochondrial DNA extraction and sequencing of formalin-fixed
DeSalle, Rob
or reduce the available sequence length of amplified products. Several methods have been used to extractSHORT COMMUNICATION Mitochondrial DNA extraction and sequencing of formalin-fixed archival snake of Natural History, New York, NY, USA, and 2 Graduate Center, City University of New York, New York, NY, USA
Improved techniques for studying the temporal and spatial behavior of fish in a fixed location
as a function of time and space in a fixed, three-dimensional volume. One example is the optimal design of techniques that minimize the mortality of fish approaching hydroelectric dams or the cooling intakes for positioning optimally the receiving hydrophones to minimize the location measurement errors, the development
Malicious Android Applications in the Enterprise: What Do They Do and How Do We Fix It?
Chrobak, Marek
Malicious Android Applications in the Enterprise: What Do They Do and How Do We Fix It? Xuetao Wei, University of California, Riverside {xwei, gomezl, neamtiu, michalis}@cs.ucr.edu Abstract-- Android, and even military. On one hand, enterprises can take advantage of the richness of Android applications
Numerical null controllability of semi-linear 1-D heat equations: fixed point, least squares and
Sart, Remi
Numerical null controllability of semi-linear 1-D heat equations: fixed point, least squares with the numerical computation of distributed null controls for semi- linear 1D heat equations, in the sublinear in [Fernandez-Cara & Zuazua, Null and approximate controllability for weakly blowing up semi-linear heat
HADRON CANCER THERAPY COMPLEX EMPLOYING NON-SCALING FFAG ACCELERATOR AND FIXED FIELD GANTRY DESIGN
Keil, Eberhard
HADRON CANCER THERAPY COMPLEX EMPLOYING NON-SCALING FFAG ACCELERATOR AND FIXED FIELD GANTRY DESIGN, Upton NY, USA Abstract Non-scaling FFAG rings for cancer hadron therapy offer reduced physical aperture of energies. INTRODUCTION Cancer proton therapy exists today in many medical facilities and many more
6th Workshop on Fixed Points in Computer Science Coimbra, Portugal, 12-13 September 2009
Rutten, Jan
Institute of Cybernetics at Tallinn University of Technology Akadeemia tee 21, EE-12618 Tallinn, Estonia Proceedings Institute of Cybernetics at TUT TTÜ KÜBERNEETIKA INSTITUUT #12;6th Workshop on Fixed Points in Computer Science FICS 2009 Coimbra, Portugal, 1213 September 2009 Proceedings Institute of Cybernetics
Fixed-point iterative sweeping methods for static Hamilton-Jacobi equations
Zhang, Yong-Tao
Fixed-point iterative sweeping methods for static Hamilton-Jacobi equations Yong-Tao Zhang1 , Hong for computations of static Hamilton-Jacobi equations. They take advantage of the properties of hyperbolic PDEs and try to cover a family of characteristics of the corresponding Hamilton-Jacobi equation in a certain
Invitation to foreign students of Ulm University JOUR FIXE: June 3rd
Pfeifer, Holger
Invitation to foreign students of Ulm University 4th JOUR FIXE: June 3rd , 2008 18 o'clock German-Einstein-Allee 47, the building is between the bus stops "Wilhelm-Runge-Straße" and "Uni West") on Tuesday, June 3rd
Aalborg Universitet A novel BEV concept based on fixed and swappable li-ion battery packs
Berning, Torsten
and Control, Robotics and Mechatronics Center German Aerospace Center (DLR), Wessling, D-82234, Germany Email@fe.up.pt Abstract--In this paper a novel battery electric vehicle (BEV) concept based on a small fixed and a big swappable li-ion battery pack is proposed in order to achieve: longer range, lower initial purchase price
Allouche, Jean-Paul
Algebraic irrational binary numbers cannot be fixed points of nonÂtrivial constant length irrational number in a given base? A common conjectured answer to this vague question is that these digits . A widely believed conjecture is that an algebraic irrational number is a normal number in each base k â?? 2
Raspberry derived mesoporous carbon-tubules and fixed-bed adsorption of pharmaceutical drugs
Ma, Lena
Raspberry derived mesoporous carbon-tubules and fixed-bed adsorption of pharmaceutical drugs Shashi Department, University of Florida, Gainesville, FL 32611-0290, USA 1. Introduction Pharmaceutical drugs (PDwater partition coefficient Pharmaceutical drugs A B S T R A C T Novel mesoporous carbon-tubules were prepared
1182 J. GUIDANCE, VOL. 19, NO. 5: ENGINEERING NOTES Fig. 2 Fixed and optimized flight paths.
Singh, Tarunraj
and optimized flight paths. Conclusion A simple guidance law for operation of dual-fuel SSTO launch vehicles hasbeen developed andused to determine the optimal value of the transition Mach number from dual fuel higher dynamic pressure than the fixed, particularly in dual-fuel mode. In the future, the guidance
1 An Evaluation of High Order Spatial Accuracy Algorithms for Modeling Fixed and Rotary Wing Tip Nielsen Engineering and Research, Inc., Mountain View, CA 94043-2212 Yi Liu, Radhika Gupta, and L. N. Sankar School of Aerospace Engineering, Georgia Tech, Atlanta, GA 30332-0150 ABSTRACT Several high order
A Systematic Study of Automated Program Repair: Fixing 55 out of 105 Bugs for $8 Each
New Mexico, University of
maintenance, which consumes a daunting fraction of the total cost of software production [1]. AutomatedA Systematic Study of Automated Program Repair: Fixing 55 out of 105 Bugs for $8 Each Claire Le-source programs totaling 5.1 million lines of code and involving 10,193 test cases. GenProg automatically repairs
Electronic structure basis for the titanic magnetoresistance in WTe?
Pletikosic, I.; Ali, Mazhar N.; Fedorov, A. V.; Cava, R. J.; Valla, T.
2014-11-19
The electronic structure basis of the extremely large magnetoresistance in layered non-magnetic tungsten ditelluride has been investigated by angle-resolved photoelectron spectroscopy. Hole and electron pockets of approximately the same size were found at the Fermi level, suggesting that carrier compensation should be considered the primary source of the effect. The material exhibits a highly anisotropic, quasi one-dimensional Fermi surface from which the pronounced anisotropy of the magnetoresistance follows. A change in the Fermi surface with temperature was found and a high-density-of-states band that may take over conduction at higher temperatures and cause the observed turn-on behavior of the magnetoresistance in WTe? was identified.
Electronic structure basis for the titanic magnetoresistance in WTe?
DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)
Pletikosic, I.; Ali, Mazhar N.; Fedorov, A. V.; Cava, R. J.; Valla, T.
2014-11-19
The electronic structure basis of the extremely large magnetoresistance in layered non-magnetic tungsten ditelluride has been investigated by angle-resolved photoelectron spectroscopy. Hole and electron pockets of approximately the same size were found at the Fermi level, suggesting that carrier compensation should be considered the primary source of the effect. The material exhibits a highly anisotropic, quasi one-dimensional Fermi surface from which the pronounced anisotropy of the magnetoresistance follows. A change in the Fermi surface with temperature was found and a high-density-of-states band that may take over conduction at higher temperatures and cause the observed turn-on behavior of the magnetoresistance inmore »WTe? was identified.« less
Waves in Open Systems via Bi-orthogonal Basis
P. T. Leung; W. -M. Suen; C. P. Sun; K. Young
1999-03-08
Dissipative quantum systems are sometimes phenomenologically described in terms of a non-hermitian hamiltonian $H$, with different left and right eigenvectors forming a bi-orthogonal basis. It is shown that the dynamics of waves in open systems can be cast exactly into this form, thus providing a well-founded realization of the phenomenological description and at the same time placing these open systems into a well-known framework. The formalism leads to a generalization of norms and inner products for open systems, which in contrast to earlier works is finite without the need for regularization. The inner product allows transcription of much of the formalism for conservative systems, including perturbation theory and second-quantization.
Spices form the basis of food pairing in Indian cuisine
Jain, Anupam; Bagler, Ganesh
2015-01-01
Culinary practices are influenced by climate, culture, history and geography. Molecular composition of recipes in a cuisine reveals patterns in food preferences. Indian cuisine encompasses a number of diverse sub-cuisines separated by geographies, climates and cultures. Its culinary system has a long history of health-centric dietary practices focused on disease prevention and promotion of health. We study food pairing in recipes of Indian cuisine to show that, in contrast to positive food pairing reported in some Western cuisines, Indian cuisine has a strong signature of negative food pairing; more the extent of flavor sharing between any two ingredients, lesser their co-occurrence. This feature is independent of recipe size and is not explained by ingredient category-based recipe constitution alone. Ingredient frequency emerged as the dominant factor specifying the characteristic flavor sharing pattern of the cuisine. Spices, individually and as a category, form the basis of ingredient composition in Indian...
A New Basis of Geoscience: Whole-Earth Decompression Dynamics
Herndon, J Marvin
2013-01-01
Neither plate tectonics nor Earth expansion theory is sufficient to provide a basis for understanding geoscience. Each theory is incomplete and possesses problematic elements, but both have served as stepping stones to a more fundamental and inclusive geoscience theory that I call Whole-Earth Decompression Dynamics (WEDD). WEDD begins with and is the consequence of our planet's early formation as a Jupiter-like gas giant and permits deduction of:(1) Earth's internal composition, structure, and highly-reduced oxidation state; (2) Core formation without whole-planet melting; (3) Powerful new internal energy sources - proto-planetary energy of compression and georeactor nuclear fission energy; (4) Georeactor geomagnetic field generation; (5) Mechanism for heat emplacement at the base of the crust resulting in the crustal geothermal gradient; (6) Decompression driven geodynamics that accounts for the myriad of observations attributed to plate tectonics without requiring physically-impossible mantle convection, an...
Electronic structure basis for the titanic magnetoresistance in WTe?
DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)
Pletikosic, I. [Princeton Univ., NJ (United States); Brookhaven National Lab. (BNL), Upton, NY (United States); Ali, Mazhar N. [Princeton Univ., NJ (United States); Fedorov, A. V. [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Cava, R. J. [Princeton Univ., NJ (United States); Valla, T. [Brookhaven National Lab. (BNL), Upton, NY (United States)
2014-11-01
The electronic structure basis of the extremely large magnetoresistance in layered non-magnetic tungsten ditelluride has been investigated by angle-resolved photoelectron spectroscopy. Hole and electron pockets of approximately the same size were found at the Fermi level, suggesting that carrier compensation should be considered the primary source of the effect. The material exhibits a highly anisotropic, quasi one-dimensional Fermi surface from which the pronounced anisotropy of the magnetoresistance follows. A change in the Fermi surface with temperature was found and a high-density-of-states band that may take over conduction at higher temperatures and cause the observed turn-on behavior of the magnetoresistance in WTe? was identified.
Draft Geologic Disposal Requirements Basis for STAD Specification
Ilgen, Anastasia G.; Bryan, Charles R.; Hardin, Ernest
2015-03-25
This document provides the basis for requirements in the current version of Performance Specification for Standardized Transportation, Aging, and Disposal Canister Systems, (FCRD-NFST-2014-0000579) that are driven by storage and geologic disposal considerations. Performance requirements for the Standardized Transportation, Aging, and Disposal (STAD) canister are given in Section 3.1 of that report. Here, the requirements are reviewed and the rationale for each provided. Note that, while FCRD-NFST-2014-0000579 provides performance specifications for other components of the STAD storage system (e.g. storage overpack, transfer and transportation casks, and others), these have no impact on the canister performance during disposal, and are not discussed here.
Electronic structure basis for the extraordinary magnetoresistance in WTe2
DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)
Pletikosi?, I.; Ali, Mazhar N.; Fedorov, A. V.; Cava, R. J.; Valla, T.
2014-11-19
The electronic structure basis of the extremely large magnetoresistance in layered non-magnetic tungsten ditelluride has been investigated by angle-resolved photoelectron spectroscopy. Hole and electron pockets of approximately the same size were found at the Fermi level, suggesting that carrier compensation should be considered the primary source of the effect. The material exhibits a highly anisotropic, quasi one-dimensional Fermi surface from which the pronounced anisotropy of the magnetoresistance follows. As a result, a change in the Fermi surface with temperature was found and a high-density-of-states band that may take over conduction at higher temperatures and cause the observed turn-on behavior ofmore »the magnetoresistance in WTe? was identified.« less
Hanford External Dosimetry Technical Basis Manual PNL-MA-842
Rathbone, Bruce A.
2009-08-28
The Hanford External Dosimetry Technical Basis Manual PNL-MA-842 documents the design and implementation of the external dosimetry system used at Hanford. The manual describes the dosimeter design, processing protocols, dose calculation methodology, radiation fields encountered, dosimeter response characteristics, limitations of dosimeter design under field conditions, and makes recommendations for effective use of the dosimeters in the field. The manual describes the technical basis for the dosimetry system in a manner intended to help ensure defensibility of the dose of record at Hanford and to demonstrate compliance with 10 CFR 835, DOELAP, DOE-RL, ORP, PNSO, and Hanford contractor requirements. The dosimetry system is operated by PNNL’s Hanford External Dosimetry Program (HEDP) which provides dosimetry services to all Hanford contractors. The primary users of this manual are DOE and DOE contractors at Hanford using the dosimetry services of PNNL. Development and maintenance of this manual is funded directly by DOE and DOE contractors. Its contents have been reviewed and approved by DOE and DOE contractors at Hanford through the Hanford Personnel Dosimetry Advisory Committee (HPDAC) which is chartered and chaired by DOE-RL and serves as means of coordinating dosimetry practices across contractors at Hanford. This manual was established in 1996. Since inception, it has been revised many times and maintained by PNNL as a controlled document with controlled distribution. The first revision to be released through PNNL’s Electronic Records & Information Capture Architecture (ERICA) database was designated Revision 0. Revision numbers that are whole numbers reflect major revisions typically involving changes to all chapters in the document. Revision numbers that include a decimal fraction reflect minor revisions, usually restricted to selected chapters or selected pages in the document.
Kim, Jeongnim [ORNL] [ORNL; Reboredo, Fernando A [ORNL] [ORNL
2014-01-01
The self-healing diffusion Monte Carlo method for complex functions [F. A. Reboredo J. Chem. Phys. {\\bf 136}, 204101 (2012)] and some ideas of the correlation function Monte Carlo approach [D. M. Ceperley and B. Bernu, J. Chem. Phys. {\\bf 89}, 6316 (1988)] are blended to obtain a method for the calculation of thermodynamic properties of many-body systems at low temperatures. In order to allow the evolution in imaginary time to describe the density matrix, we remove the fixed-node restriction using complex antisymmetric trial wave functions. A statistical method is derived for the calculation of finite temperature properties of many-body systems near the ground state. In the process we also obtain a parallel algorithm that optimizes the many-body basis of a small subspace of the many-body Hilbert space. This small subspace is optimized to have maximum overlap with the one expanded by the lower energy eigenstates of a many-body Hamiltonian. We show in a model system that the Helmholtz free energy is minimized within this subspace as the iteration number increases. We show that the subspace expanded by the small basis systematically converges towards the subspace expanded by the lowest energy eigenstates. Possible applications of this method to calculate the thermodynamic properties of many-body systems near the ground state are discussed. The resulting basis can be also used to accelerate the calculation of the ground or excited states with Quantum Monte Carlo.
A Note on the Finite Element Method with Singular Basis Functions
Kaneko, Hideaki
finite element analysis that incorporates singular element functions. A need for introducing * *some singular elements as part of basis functions in certain finite element analysis arises o* *ut A Note on the Finite Element Method with Singular Basis
Hanford External Dosimetry Technical Basis Manual PNL-MA-842
Rathbone, Bruce A.
2007-03-12
The Hanford External Dosimetry Technical Basis Manual PNL-MA-842 documents the design and implementation of the external dosimetry system used at Hanford. The manual describes the dosimeter design, processing protocols, dose calculation methodology, radiation fields encountered, dosimeter response characteristics, limitations of dosimeter design under field conditions, and makes recommendations for effective use of the dosimeters in the field. The manual describes the technical basis for the dosimetry system in a manner intended to help ensure defensibility of the dose of record at Hanford and to demonstrate compliance with 10 CFR 835, DOELAP, DOE-RL, ORP, PNSO, and Hanford contractor requirements. The dosimetry system is operated by PNNL’s Hanford External Dosimetry Program (HEDP) which provides dosimetry services to all Hanford contractors. The primary users of this manual are DOE and DOE contractors at Hanford using the dosimetry services of PNNL. Development and maintenance of this manual is funded directly by DOE and DOE contractors. Its contents have been reviewed and approved by DOE and DOE contractors at Hanford through the Hanford Personnel Dosimetry Advisory Committee (HPDAC) which is chartered and chaired by DOE-RL and serves as means of coordinating dosimetry practices across contractors at Hanford. This manual was established in 1996. Since inception, it has been revised many times and maintained by PNNL as a controlled document with controlled distribution. Rev. 0 marks the first revision to be released through PNNL’s Electronic Records & Information Capture Architecture (ERICA) database. Revision numbers that are whole numbers reflect major revisions typically involving changes to all chapters in the document. Revision numbers that include a decimal fraction reflect minor revisions, usually restricted to selected chapters or selected pages in the document. Revision Log: Rev. 0 (2/25/2005) Major revision and expansion. Rev. 0.1 (3/12/2007) Minor revision. Updated Chapters 5, 6 and 9 to reflect change in default ring calibration factor used in HEDP dose calculation software. Factor changed from 1.5 to 2.0 beginning January 1, 2007. Pages on which changes were made are as follows: 5.23, 5.69, 5.78, 5.80, 5.82, 6.3, 6.5, 6.29, 9.2.
Hanford External Dosimetry Technical Basis Manual PNL-MA-842
Rathbone, Bruce A.
2011-04-04
The Hanford External Dosimetry Technical Basis Manual PNL-MA-842 documents the design and implementation of the external dosimetry system used at the U.S. Department of Energy (DOE) Hanford site. The manual describes the dosimeter design, processing protocols, dose calculation methodology, radiation fields encountered, dosimeter response characteristics, limitations of dosimeter design under field conditions, and makes recommendations for effective use of the dosimeters in the field. The manual describes the technical basis for the dosimetry system in a manner intended to help ensure defensibility of the dose of record at Hanford and to demonstrate compliance with requirements of 10 CFR 835, the DOE Laboratory Accreditation Program, the DOE Richland Operations Office, DOE Office of River Protection, DOE Pacific Northwest Office of Science, and Hanford’s DOE contractors. The dosimetry system is operated by the Pacific Northwest National Laboratory (PNNL) Hanford External Dosimetry Program which provides dosimetry services to PNNL and all Hanford contractors. The primary users of this manual are DOE and DOE contractors at Hanford using the dosimetry services of PNNL. Development and maintenance of this manual is funded directly by DOE and DOE contractors. Its contents have been reviewed and approved by DOE and DOE contractors at Hanford through the Hanford Personnel Dosimetry Advisory Committee which is chartered and chaired by DOE-RL and serves as means of coordinating dosimetry practices across contractors at Hanford. This manual was established in 1996. Since its inception, it has been revised many times and maintained by PNNL as a controlled document with controlled distribution. The first revision to be released through PNNL’s Electronic Records & Information Capture Architecture database was designated Revision 0. Revision numbers that are whole numbers reflect major revisions typically involving significant changes to all chapters in the document. Revision numbers that include a decimal fraction reflect minor revisions, usually restricted to selected chapters or selected pages in the document. Maintenance and distribution of controlled hard copies of the manual by PNNL was discontinued beginning with Revision 0.2.
Hanford External Dosimetry Technical Basis Manual PNL-MA-842
Rathbone, Bruce A.
2010-04-01
The Hanford External Dosimetry Technical Basis Manual PNL-MA-842 documents the design and implementation of the external dosimetry system used at the U.S. Department of Energy (DOE) Hanford site. The manual describes the dosimeter design, processing protocols, dose calculation methodology, radiation fields encountered, dosimeter response characteristics, limitations of dosimeter design under field conditions, and makes recommendations for effective use of the dosimeters in the field. The manual describes the technical basis for the dosimetry system in a manner intended to help ensure defensibility of the dose of record at Hanford and to demonstrate compliance with requirements of 10 CFR 835, the DOE Laboratory Accreditation Program, the DOE Richland Operations Office, DOE Office of River Protection, DOE Pacific Northwest Office of Science, and Hanford’s DOE contractors. The dosimetry system is operated by the Pacific Northwest National Laboratory (PNNL) Hanford External Dosimetry Program which provides dosimetry services to PNNL and all Hanford contractors. The primary users of this manual are DOE and DOE contractors at Hanford using the dosimetry services of PNNL. Development and maintenance of this manual is funded directly by DOE and DOE contractors. Its contents have been reviewed and approved by DOE and DOE contractors at Hanford through the Hanford Personnel Dosimetry Advisory Committee which is chartered and chaired by DOE-RL and serves as means of coordinating dosimetry practices across contractors at Hanford. This manual was established in 1996. Since its inception, it has been revised many times and maintained by PNNL as a controlled document with controlled distribution. The first revision to be released through PNNL’s Electronic Records & Information Capture Architecture database was designated Revision 0. Revision numbers that are whole numbers reflect major revisions typically involving significant changes to all chapters in the document. Revision numbers that include a decimal fraction reflect minor revisions, usually restricted to selected chapters or selected pages in the document. Maintenance and distribution of controlled hard copies of the manual by PNNL was discontinued beginning with Revision 0.2.
Structural basis for the antibody neutralization of Herpes simplex virus
Lee, Cheng-Chung; Lin, Li-Ling [Academia Sinica, Taipei 115, Taiwan (China); Academia Sinica, Taipei 115, Taiwan (China); Chan, Woan-Eng [Development Center for Biotechnology, New Taipei City 221, Taiwan (China); Ko, Tzu-Ping [Academia Sinica, Taipei 115, Taiwan (China); Academia Sinica, Taipei 115, Taiwan (China); Lai, Jiann-Shiun [Development Center for Biotechnology, New Taipei City 221, Taiwan (China); Ministry of Economic Affairs, Taipei 100, Taiwan (China); Wang, Andrew H.-J., E-mail: ahjwang@gate.sinica.edu.tw [Academia Sinica, Taipei 115, Taiwan (China); Academia Sinica, Taipei 115, Taiwan (China); Taipei Medical University, Taipei 110, Taiwan (China)
2013-10-01
The gD–E317-Fab complex crystal revealed the conformational epitope of human mAb E317 on HSV gD, providing a molecular basis for understanding the viral neutralization mechanism. Glycoprotein D (gD) of Herpes simplex virus (HSV) binds to a host cell surface receptor, which is required to trigger membrane fusion for virion entry into the host cell. gD has become a validated anti-HSV target for therapeutic antibody development. The highly inhibitory human monoclonal antibody E317 (mAb E317) was previously raised against HSV gD for viral neutralization. To understand the structural basis of antibody neutralization, crystals of the gD ectodomain bound to the E317 Fab domain were obtained. The structure of the complex reveals that E317 interacts with gD mainly through the heavy chain, which covers a large area for epitope recognition on gD, with a flexible N-terminal and C-terminal conformation. The epitope core structure maps to the external surface of gD, corresponding to the binding sites of two receptors, herpesvirus entry mediator (HVEM) and nectin-1, which mediate HSV infection. E317 directly recognizes the gD–nectin-1 interface and occludes the HVEM contact site of gD to block its binding to either receptor. The binding of E317 to gD also prohibits the formation of the N-terminal hairpin of gD for HVEM recognition. The major E317-binding site on gD overlaps with either the nectin-1-binding residues or the neutralizing antigenic sites identified thus far (Tyr38, Asp215, Arg222 and Phe223). The epitopes of gD for E317 binding are highly conserved between two types of human herpesvirus (HSV-1 and HSV-2). This study enables the virus-neutralizing epitopes to be correlated with the receptor-binding regions. The results further strengthen the previously demonstrated therapeutic and diagnostic potential of the E317 antibody.
Turbulent flow and drag over fixed two-and three-dimensional dunes Jeremy G. Venditti1,2
Venditti, Jeremy G.
Turbulent flow and drag over fixed two- and three-dimensional dunes Jeremy G. Venditti1,2 Received measurements of turbulent flow were obtained over a fixed flat bed, two- dimensional (2-D) dunes and four types of three-dimensional (3-D) dune morphologies including (1) full width saddles, (2) full width lobes, (3
with fixed-energy data A G Ramm Mathematics Department, Kansas State University, Manhattan, KS 66506, USAStability of the numerical method of solving the 3D inverse scattering problem with fixed- energy data This article has been downloaded from IOPscience. Please scroll down to see the full text article
Response of Free-Living Nitrogen-Fixing Microorganisms to Land Use Change in the Amazon Rainforest
Bohannan, Brendan
) of this greenhouse gas annually (1, 2). To absorb this enormous amount of CO2, a sig- nificant input of nitrogen (NResponse of Free-Living Nitrogen-Fixing Microorganisms to Land Use Change in the Amazon Rainforest-living nitrogen-fixing microorganisms (di- azotrophs) respond to deforestation in the Amazon rainforest, using
Ris-R-Report Grid fault and design-basis for wind turbines -
Risø-R-Report Grid fault and design-basis for wind turbines - Final report Anca D. Hansen, Nicolaos and design-basis for wind turbines - Final report Division: Wind Energy Division Risø-R-1714(EN) January 2010-basis for wind turbines". The objective of this project has been to assess and analyze the consequences
Rau, Scott James
2013-01-29
Concepts and technologies described herein provide for an accurate and cost-effective method for rotating a solar array disk for tracking the movement of the sun. According to various aspects, a motor includes a fixed caliper and a translating caliper positioned adjacent to one another. Electromagnetically controlled brakes on the translating caliper grip the solar array disk while adjacent, but spaced apart, electromagnets on the fixed caliper and the translating caliper are energized to create an attractive force that pulls the translating caliper with the solar array disk toward the fixed caliper. After reaching the fixed caliper, brakes on the fixed caliper are engaged with the disk, brakes on the translating caliper are released from the disk, and the translating caliper is pushed back to the starting location where the process repeats until the desired rotation is completed.
Stability of solutions to inverse scattering problems with fixed-energy data
Alexander G. Ramm
2000-08-03
A review of the author's results is given. Inversion formulas and stability estimates for the solutions to 3D inverse scattering problems with fixed-energy data are obtained. Inversions of exact and noisy data are stidied. The inverse potential scattering problem is discussed in detail, inversion formulas are derived and error estimates are obtained. Inverse obstacle scattering problem with data at a fixed frequency is studied. Uniqueness theorems and stability estimates are obtained. Inverse geophysical scattering problem is discussed. An algorithm for computing the Dirichlet-to-Neumann map from the scattering amplitude and vicxe versa is obtained. An analytical example of non-uniqueness of the solution to a 3D inverse geophysical problem is constructed. An inverse problem for a parabolic equation is discussed.
Adeniran, Oluwaranti
2011-01-01
Fixed Wireless Access (FWA) involves the use of wireless technology to replace copper to connect subscribers to the telephone network. It is a variant of wireless broadband which provides an alternative in the so-called 'last mile' connectivity between the subscriber and the fixed telecommunications network. FWA could either be narrowband or broadband and it is predominantly deployed using the Code Division Multiple Access (CDMA) technology. In assessing the extent of development and deployment of FWA, the perspective of the operators and users was elicited primarily through the use of questionnaires. Issues like setup cost, tax, Government incentive, availability of infrastructure and manpower applied to the operators while on the users' part factors like quality of service, signal strength as well as call rate were considered. The South western zone of Nigeria is regarded as one of the most urbanized regions in the south of Sahara, this is not out of place considering the fact that Lagos which is the nation...
Structural basis of substrate discrimination and integrin binding by autotaxin
Hausmann, Jens; Kamtekar, Satwik; Christodoulou, Evangelos; Day, Jacqueline E.; Wu, Tao; Fulkerson, Zachary; Albers, Harald M.H.G.; van Meeteren, Laurens A.; Houben, Anna J.S.; van Zeijl, Leonie; Jansen, Silvia; Andries, Maria; Hall, Troii; Pegg, Lyle E.; Benson, Timothy E.; Kasiem, Mobien; Harlos, Karl; Vander Kooi, Craig W.; Smyth, Susan S.; Ovaa, Huib; Bollen, Mathieu; Morris, Andrew J.; Moolenaar, Wouter H.; Perrakis, Anastassis (Pfizer); (Leuven); (Oxford); (NCI-Netherlands); (Kentucky)
2013-09-25
Autotaxin (ATX, also known as ectonucleotide pyrophosphatase/phosphodiesterase-2, ENPP2) is a secreted lysophospholipase D that generates the lipid mediator lysophosphatidic acid (LPA), a mitogen and chemoattractant for many cell types. ATX-LPA signaling is involved in various pathologies including tumor progression and inflammation. However, the molecular basis of substrate recognition and catalysis by ATX and the mechanism by which it interacts with target cells are unclear. Here, we present the crystal structure of ATX, alone and in complex with a small-molecule inhibitor. We have identified a hydrophobic lipid-binding pocket and mapped key residues for catalysis and selection between nucleotide and phospholipid substrates. We have shown that ATX interacts with cell-surface integrins through its N-terminal somatomedin B-like domains, using an atypical mechanism. Our results define determinants of substrate discrimination by the ENPP family, suggest how ATX promotes localized LPA signaling and suggest new approaches for targeting ATX with small-molecule therapeutic agents.
Climate Change: The Physical Basis and Latest Results
None
2011-10-06
The 2007 Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) concludes: "Warming in the climate system is unequivocal." Without the contribution of Physics to climate science over many decades, such a statement would not have been possible. Experimental physics enables us to read climate archives such as polar ice cores and so provides the context for the current changes. For example, today the concentration of CO2 in the atmosphere, the second most important greenhouse gas, is 28% higher than any time during the last 800,000 years. Classical fluid mechanics and numerical mathematics are the basis of climate models from which estimates of future climate change are obtained. But major instabilities and surprises in the Earth System are still unknown. These are also to be considered when the climatic consequences of proposals for geo-engineering are estimated. Only Physics will permit us to further improve our understanding in order to provide the foundation for policy decisions facing the global climate change challenge.
5d fixed points from brane webs and O7-planes
Bergman, Oren
2015-01-01
We explore the properties of five-dimensional supersymmetric gauge theories living on 5-brane webs in orientifold 7-plane backgrounds. These include $USp(2N)$ and $SO(N)$ gauge theories with fundamental matter, as well as $SU(N)$ gauge theories with symmetric and antisymmetric matter. We find a number of new 5d fixed point theories that feature enhanced global symmetries. We also exhibit a number of new 5d dualities.
Memorandum, Managed Phase Out of Halon Fixed Fire Suppression Systems- May 5, 1993
Broader source: Energy.gov [DOE]
The purpose of this memorandum is to provide additional interim departmental criteria on the management of the reduction and potential elimination of Halon fire extinguishing systems within the Department of Energy (DOE). This memorandum supplements the joint Office of Safety and Quality Assurance/Office of Projects and Facilities Management memorandum of September 27, 1990, in which guidance was provided on the installation of new Halon 1301 fixed fire suppression systems and halon 1211 portable fire extinguishers.
5d fixed points from brane webs and O7-planes
Oren Bergman; Gabi Zafrir
2015-08-15
We explore the properties of five-dimensional supersymmetric gauge theories living on 5-brane webs in orientifold 7-plane backgrounds. These include $USp(2N)$ and $SO(N)$ gauge theories with fundamental matter, as well as $SU(N)$ gauge theories with symmetric and antisymmetric matter. We find a number of new 5d fixed point theories that feature enhanced global symmetries. We also exhibit a number of new 5d dualities.
Rotary F1-ATPase Is the C-terminus of subunit c fixed or mobile?
Junge, Wolfgang
mobility of the C-terminal portion of c relative to (ab)3. Non-fluorescent, engineered F1 (aP280C/cA285CRotary F1-ATPase Is the C-terminus of subunit c fixed or mobile? Martin Mu¨ ller, Karin Gumbiowski, functionally connects the ion-driven rotary motor, FO, with the rotary chemical reactor, F1. Using polarized
On inverse problems in electromagnetic field in classical mechanics at fixed energy
Alexandre Jollivet
2007-01-04
In this paper, we consider inverse scattering and inverse boundary value problems at sufficiently large and fixed energy for the multidimensional relativistic and nonrelativistic Newton equations in a static external electromagnetic field $(V,B)$, $V\\in C^2,$ $B\\in C^1$ in classical mechanics. Developing the approach going back to Gerver-Nadirashvili 1983's work on an inverse problem of mechanics, we obtain, in particular, theorems of uniqueness.
Large Lagrangian Actions on Elliptical Solutions of 2-Body and 3-Body Problems with Fixed Energies
Ying Lv; Shiqing Zhang
2011-12-04
Based on the works of Gordon ([4]) and Zhang-Zhou([8])) on the variational minimizing properties for Keplerian orbits and Lagrangian solutions of Newtonian 2-body and 3-body problems, we use the constrained variational principle of Ambrosetti-Coti Zelati ([1]) to compute the Lagrangian actions on Keplerian and Lagrangian elliptical solutions with fixed energies, we also find an interesting relationship between period and energy for Lagrangian elliptical solutions with Newtonian potentials.
An algorithm for determining EF coils from fixed-boundary equilibria applied to ARIES III
Bathke, C. (Los Alamos National Lab., NM (United States)); Jardin, S.C.; Kessel, C.E. (Princeton Univ., NJ (United States). Plasma Physics Lab.)
1991-01-01
An algorithm that determines the external EF coils required to produce equilibria calculated by high-resolution, fixed-boundary codes is described. The algorithm permits the specification of the poloidal-field-null location. The EF-coil positions on a specified surface located just outside of the TF coils are optimized to minimize the stored magnetic energy. Results of the application of this algorithm to ARIES-3 are also presented. 7 refs., 2 figs., 2 tabs.
5d fixed points from brane webs and O7-planes
Oren Bergman; Gabi Zafrir
2015-07-14
We explore the properties of five-dimensional supersymmetric gauge theories living on 5-brane webs in orientifold 7-plane backgrounds. These include $USp(2N)$ and $SO(N)$ gauge theories with fundamental matter, as well as $SU(N)$ gauge theories with symmetric and antisymmetric matter. We find a number of new 5d fixed point theories that feature enhanced global symmetries. We also exhibit a number of new 5d dualities.
In-situ X-ray diffraction system using sources and detectors at fixed angular positions
Gibson, David M. (Voorheesville, NY); Gibson, Walter M. (Voorheesville, NY); Huang, Huapeng (Latham, NY)
2007-06-26
An x-ray diffraction technique for measuring a known characteristic of a sample of a material in an in-situ state. The technique includes using an x-ray source for emitting substantially divergent x-ray radiation--with a collimating optic disposed with respect to the fixed source for producing a substantially parallel beam of x-ray radiation by receiving and redirecting the divergent paths of the divergent x-ray radiation. A first x-ray detector collects radiation diffracted from the sample; wherein the source and detector are fixed, during operation thereof, in position relative to each other and in at least one dimension relative to the sample according to a-priori knowledge about the known characteristic of the sample. A second x-ray detector may be fixed relative to the first x-ray detector according to the a-priori knowledge about the known characteristic of the sample, especially in a phase monitoring embodiment of the present invention.
Nonlinear ultimate strength analysis of fixed offshore platforms for earthquake environments
Chang, S.S. [Hudson Engineering Corp., Houston, TX (United States)
1995-12-01
The design of an offshore platform usually requires the use of ASME B31.3 and API (American Petroleum Institute) RP 2A design codes. ASME B31.3 addresses the design of pressure piping systems for offshore facilities while API RP 2A ``Recommended Practice for Planning, Designing and Constructing Fixed Offshore Platforms`` (WSD or LRFD) addresses the structural design. This paper first identifies the difference between the ASME B31.3 and API RP 2A on the earthquake load requirements. Second, the paper presents a nonlinear static pushover analysis of a typical fixed offshore platform subject to a ductility level earthquake in 394 ft (120 m) of water depth. The analysis uses a three-dimensional structural model consisting of STRUT, BEAM-COLUMN and LINEAR BEAM elements to determine the structural response while properly accounting for structure-pile-soil interaction effort. Finally, the status of current on-going efforts to implement the API RP 2A code (LRFD version) to the ISO code (International Organization for Standardization), particularly on the earthquake resistant design aspect of fixed offshore the platforms, is briefly reported.
TECHNICAL BASIS FOR VENTILATION REQUIREMENTS IN TANK FARMS OPERATING SPECIFICATIONS DOCUMENTS
BERGLIN, E J
2003-06-23
This report provides the technical basis for high efficiency particulate air filter (HEPA) for Hanford tank farm ventilation systems (sometimes known as heating, ventilation and air conditioning [HVAC]) to support limits defined in Process Engineering Operating Specification Documents (OSDs). This technical basis included a review of older technical basis and provides clarifications, as necessary, to technical basis limit revisions or justification. This document provides an updated technical basis for tank farm ventilation systems related to Operation Specification Documents (OSDs) for double-shell tanks (DSTs), single-shell tanks (SSTs), double-contained receiver tanks (DCRTs), catch tanks, and various other miscellaneous facilities.
Hanford External Dosimetry Technical Basis Manual PNL-MA-842
Rathbone, Bruce A.
2010-01-01
The Hanford External Dosimetry Technical Basis Manual PNL-MA-842 documents the design and implementation of the external dosimetry system used at Hanford. The manual describes the dosimeter design, processing protocols, dose calculation methodology, radiation fields encountered, dosimeter response characteristics, limitations of dosimeter design under field conditions, and makes recommendations for effective use of the dosimeters in the field. The manual describes the technical basis for the dosimetry system in a manner intended to help ensure defensibility of the dose of record at Hanford and to demonstrate compliance with 10 CFR 835, DOELAP, DOE-RL, ORP, PNSO, and Hanford contractor requirements. The dosimetry system is operated by PNNL’s Hanford External Dosimetry Program (HEDP) which provides dosimetry services to all Hanford contractors. The primary users of this manual are DOE and DOE contractors at Hanford using the dosimetry services of PNNL. Development and maintenance of this manual is funded directly by DOE and DOE contractors. Its contents have been reviewed and approved by DOE and DOE contractors at Hanford through the Hanford Personnel Dosimetry Advisory Committee (HPDAC) which is chartered and chaired by DOE-RL and serves as means of coordinating dosimetry practices across contractors at Hanford. This manual was established in 1996. Since its inception, it has been revised many times and maintained by PNNL as a controlled document with controlled distribution. The first revision to be released through PNNL’s Electronic Records & Information Capture Architecture (ERICA) database was designated Revision 0. Revision numbers that are whole numbers reflect major revisions typically involving significant changes to all chapters in the document. Revision numbers that include a decimal fraction reflect minor revisions, usually restricted to selected chapters or selected pages in the document. Maintenance and distribution of controlled hard copies of the manual by PNNL was discontinued beginning with Revision 0.2. Revision Log: Rev. 0 (2/25/2005) Major revision and expansion. Rev. 0.1 (3/12/2007) Updated Chapters 5, 6 and 9 to reflect change in default ring calibration factor used in HEDP dose calculation software. Factor changed from 1.5 to 2.0 beginning January 1, 2007. Pages on which changes were made are as follows: 5.23, 5.69, 5.78, 5.80, 5.82, 6.3, 6.5, 6.29, and 9.2. Rev 0.2 (8/28/2009) Updated Chapters 3, 5, 6, 8 and 9. Chapters 6 and 8 were significantly expanded. References in the Preface and Chapters 1, 2, 4, and 7 were updated to reflect updates to DOE documents. Approved by HPDAC on 6/2/2009. Rev 1.0 (1/1/2010) Major revision. Updated all chapters to reflect the Hanford site wide implementation on January 1, 2010 of new DOE requirements for occupational radiation protection. The new requirements are given in the June 8, 2007 amendment to 10 CFR 835 Occupational Radiation Protection (Federal Register, June 8, 2007. Title 10 Part 835. U.S., Code of Federal Regulations, Vol. 72, No. 110, 31904-31941). Revision 1.0 to the manual replaces ICRP 26 dosimetry concepts and terminology with ICRP 60 dosimetry concepts and terminology and replaces external dose conversion factors from ICRP 51 with those from ICRP 74 for use in measurement of operational quantities with dosimeters. Descriptions of dose algorithms and dosimeter response characteristics, and field performance were updated to reflect changes in the neutron quality factors used in the measurement of operational quantities.
Safety evaluation of MHTGR licensing basis accident scenarios
Kroeger, P.G.
1989-04-01
The safety potential of the Modular High-Temperature Gas Reactor (MHTGR) was evaluated, based on the Preliminary Safety Information Document (PSID), as submitted by the US Department of Energy to the US Nuclear Regulatory Commission. The relevant reactor safety codes were extended for this purpose and applied to this new reactor concept, searching primarily for potential accident scenarios that might lead to fuel failures due to excessive core temperatures and/or to vessel damage, due to excessive vessel temperatures. The design basis accident scenario leading to the highest vessel temperatures is the depressurized core heatup scenario without any forced cooling and with decay heat rejection to the passive Reactor Cavity Cooling System (RCCS). This scenario was evaluated, including numerous parametric variations of input parameters, like material properties and decay heat. It was found that significant safety margins exist, but that high confidence levels in the core effective thermal conductivity, the reactor vessel and RCCS thermal emissivities and the decay heat function are required to maintain this safety margin. Severe accident extensions of this depressurized core heatup scenario included the cases of complete RCCS failure, cases of massive air ingress, core heatup without scram and cases of degraded RCCS performance due to absorbing gases in the reactor cavity. Except for no-scram scenarios extending beyond 100 hr, the fuel never reached the limiting temperature of 1600/degree/C, below which measurable fuel failures are not expected. In some of the scenarios, excessive vessel and concrete temperatures could lead to investment losses but are not expected to lead to any source term beyond that from the circulating inventory. 19 refs., 56 figs., 11 tabs.
for a range of sensors used in process industries. In particular, the paper industry is a large user and performance information on systems, and interviewing personnel involved with the paper industry, sensor are widely used in the paper industry for this purpose · multiple manufacturers of basis weight gauges exist
Preparation of a primary argon beam for the CERN fixed target physics
Küchler, D., E-mail: detlef.kuchler@cern.ch; O’Neil, M.; Scrivens, R. [CERN, BE Department, 1211 Geneva 23 (Switzerland)] [CERN, BE Department, 1211 Geneva 23 (Switzerland); Thomae, R. [iThemba LABS, P.O. Box 722, Somerset West 7130 (South Africa)] [iThemba LABS, P.O. Box 722, Somerset West 7130 (South Africa)
2014-02-15
The fixed target experiment NA61 in the North Area of the Super Proton Synchrotron is studying phase transitions in strongly interacting matter. Up to now they used the primary beams available from the CERN accelerator complex (protons and lead ions) or fragmented beams created from the primary lead ion beam. To explore a wider range of energies and densities a request was made to provide primary argon and xenon beams. This paper describes the results of the setting up and 10 week test run of the Ar{sup 11+} beam from the 14.5 GHz ECR ion source and the linear accelerator (Linac3) at CERN.
Two-stage fixed-bed gasifier with selectable middle gas off-take point
Strickland, Larry D. (Morgantown, WV); Bissett, Larry A. (Morgantown, WV)
1992-01-01
A two-stage fixed bed coal gasifier wherein an annular region is in registry with a gasification zone underlying a devolatilization zone for extracting a side stream of high temperature substantially tar-free gas from the gasifier. A vertically displaceable skirt means is positioned within the gasifier to define the lower portion of the annular region so that vertical displacement of the skirt means positions the inlet into the annular region in a selected location within or in close proximity to the gasification zone for providing a positive control over the composition of the side stream gas.
The Problem of Two Fixed Centers: Bifurcation Diagram for Positive Energies
Marcello Seri
2014-09-19
We give a comprehensive analysis of the Euler-Jacobi problem of motion in the field of two fixed centers with arbitrary relative strength and for positive values of the energy. These systems represent nontrivial examples of integrable dynamics and are analysed from the point of view of the energy-momentum mapping from the phase space to the space of the integration constants. In this setting we describe the structure of the scattering trajectories in phase space and derive an explicit description of the bifurcation diagram, i.e. the set of critical value of the energy-momentum map.
Does Electricity (and Heat) Network Regulation have anything to learn from Fixed Line Telecoms?
Pollitt, Michael G.
to electricity, between 2003 and 2008 the percentage of households in Christchurch, New Zealand, heating via heat pumps has increased from 8% to 35%, with the figure projected to 70% by 2015?18 (Orion, 2008, p.6). 4 The UK history of telecoms reform... O R K IN G P A P E R N O N -T E C H N IC A L S U M M A R Y Does Electricity (and Heat) Network Regulation have anything to learn from Fixed Line Telecoms Regulation? EPRG Working Paper 0914 Cambridge Working Paper in Economics...
Modeling and Experimental Studies of Mercury Oxidation and Adsorption in a Fixed-Bed Reactor
Paula A. Buitrago, Mike Morrill, JoAnn S. Lighty, Geoffrey D.; Silcox,
2009-06-15
This report presents experimental and modeling mercury oxidation and adsorption data. Fixed-bed and single-particle models of mercury adsorption were developed. The experimental data were obtained with two reactors: a 300- W, methane-fired, tubular, quartz-lined reactor for studying homogeneous oxidation reactions and a fixed-bed reactor, also of quartz, for studying heterogeneous reactions. The latter was attached to the exit of the former to provide realistic combustion gases. The fixed-bed reactor contained one gram of coconut-shell carbon and remained at a temperature of 150oC. All methane, air, SO2, and halogen species were introduced through the burner to produce a radical pool representative of real combustion systems. A Tekran 2537A Analyzer coupled with a wet conditioning system provided speciated mercury concentrations. At 150°C and in the absence of HCl or HBr, the mercury uptake was about 20%. The addition of 50 ppm HCl caused complete capture of all elemental and oxidized mercury species. In the absence of halogens, SO2 increased the mercury adsorption efficiency to up to 30 percent. The extent of adsorption decreased with increasing SO2 concentration when halogens were present. Increasing the HCl concentration to 100 ppm lessened the effect of SO2. The fixed-bed model incorporates Langmuir adsorption kinetics and was developed to predict adsorption of elemental mercury and the effect of multiple flue gas components. This model neglects intraparticle diffusional resistances and is only applicable to pulverized carbon sorbents. It roughly describes experimental data from the literature. The current version includes the ability to account for competitive adsorption between mercury, SO2, and NO2. The single particle model simulates in-flight sorbent capture of elemental mercury. This model was developed to include Langmuir and Freundlich isotherms, rate equations, sorbent feed rate, and intraparticle diffusion. The Freundlich isotherm more accurately described in-flight mercury capture. Using these parameters, very little intraparticle diffusion was evident. Consistent with other data, smaller particles resulted in higher mercury uptake due to available surface area. Therefore, it is important to capture the particle size distribution in the model. At typical full-scale sorbent feed rates, the calculations underpredicted adsorption, suggesting that wall effects can account for as much as 50 percent of the removal, making it an important factor in entrained-mercury adsorption models.
Theory of water desalination by porous electrodes with fixed chemical charge
Biesheuvel, P M; Hamelers, H V M
2015-01-01
Water desalination by capacitive deionization (CDI) is performed via electrochemical cells consisting of two porous carbon electrodes. Upon transferring charge from one electrode to the other, ions are removed from the feedwater by electrosorption into electrical double layers (EDLs) within the micropores of the porous carbon. When using electrodes containing fixed chemical charge in the micropores, various counterintuitive observations have been made, such as "inverted CDI" where upon charging, ions are released from the electrode, and the feedwater is only desalinated when the cell is discharging. We set up an EDL model including chemical charge that explains these observations and makes predictions for a working range of enhanced desalination by CDI.
Property:OpenEI/UtilityRate/FixedDemandChargeMonth9 | Open Energy
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo,AltFuelVehicle2 JumpPublicationDateInformationInformation FixedDemandChargeMonth9
Boyer, Edmond
Discovering the relevant variables in a large clinical database by back-fitting fixed effects are investigates according to a planned protocol and with a predetermined cohort. They also differ from basic
Stutts, Kyle Jeffrey
2006-10-30
Two experiments tested the efficacy of gonadotropin-releasing hormone (GnRH) or estradiol cypionate (ECP) administration in combination with controlled internal drug release (CIDR) inserts on pregnancy rate to fixed-time artificial insemination...
Khamsi, Mohamed Amine
Fixed Point and Selection Theorems in Hyperconvex Spaces M. A. Khamsi, W. A. Kirk, and Carlos their thanks to the sponsors for generous support and hospitality. 1 #12;2 M. A. KHAMSI, W. A. KIRK, AND CARLOS
Equation of state in 2+1 flavor QCD with improved Wilson quarks by the fixed scale approach
T. Umeda; S. Aoki; S. Ejiri; T. Hatsuda; K. Kanaya; Y. Maezawa; H. Ohno
2012-06-19
We study the equation of state in 2+1 flavor QCD with nonperturbatively improved Wilson quarks coupled with the RG-improved Iwasaki glue. We apply the $T$-integration method to nonperturbatively calculate the equation of state by the fixed-scale approach. With the fixed-scale approach, we can purely vary the temperature on a line of constant physics without changing the system size and renormalization constants. Unlike the conventional fixed-$N_t$ approach, it is easy to keep scaling violations small at low temperature in the fixed scale approach. We study 2+1 flavor QCD at light quark mass corresponding to $m_\\pi/m_\\rho \\simeq 0.63$, while the strange quark mass is chosen around the physical point. Although the light quark masses are heavier than the physical values yet, our equation of state is roughly consistent with recent results with highly improved staggered quarks at large $N_t$.
Vandewalle, Emily Lauren
2014-04-30
Small-scale decentralized facilities and technologies are rapidly becoming a dominant technological fix to deliver water to underserved populations in developing nations. This project examines the case of a university partnership with government...
Perry, Dewayne E.
Understanding the Triaging and Fixing Processes of Long Lived Bugs Ripon K. Saha, Sarfraz Khurshid- velopers/managers triage bugs carefully and schedule Email addresses: ripon@utexas.edu (Ripon K. Saha
The cc-pV5Z-F12 basis set: reaching the basis set limit in explicitly correlated calculations
Peterson, Kirk A; Martin, Jan M L
2014-01-01
We have developed and benchmarked a new extended basis set for explicitly correlated calculations, namely cc-pV5Z-F12. It is offered in two variants, cc-pV5Z-F12 and cc- pV5Z-F12(rev2), the latter of which has additional basis functions on hydrogen not present in the cc-pVnZ-F12 (n=D,T,Q) sequence.A large uncontracted 'reference' basis set is used for benchmarking. cc-pVnZ-F12 (n=D, T, Q, 5) is shown to be a convergent hierarchy. Especially the cc- pV5Z-F12(rev2) basis set can yield the valence CCSD component of total atomization energies (TAEs), without any extrapolation, to an accuracy normally associated with aug-cc-pV{5,6}Z extrapolations. SCF components are functionally at the basis set limit, while the MP2 limit can be approached to as little as 0.01 kcal/mol without extrapolation. The determination of (T) appears to be the most difficult of the three components and cannot presently be accomplished without extrapolation or scaling. (T) extrapolation from cc-pV{T,Q}Z-F12 basis sets, combined with CCSD-F1...
Crawford, T. Daniel
The balance between theoretical method and basis set quality: A systematic study of equilibrium the best balance between theoretical method and basis set quality. This "balance" was evident
Cang, Nguyen The
2015-01-01
In this paper, we introduce new methods for solving the vacuum Einstein constraints equations: the first one is based on Schaefer's fixed point theorem (known methods use Schauder's fixed point theorem) while the second one uses the concept of half-continuity coupled with the introduction of local supersolutions. These methods allow to: unify some recent existence results, simplify many proofs (for instance, the main theorem in arXiv:1012.2188) and weaken the assumptions of many recent results.
The genetic basis of multiple sclerosis: a model for MS susceptibility
Goodin, Douglas S
2010-01-01
The genetic basis of multiple sclerosis: a model for MSet al: McAlpine’s Multiple Sclerosis. 4 edition. Churchillfamilial aggregation in multiple sclerosis. Nature 1995, 4.
Technical Basis and Considerations for DOE M 435.1-1 (Appendix A)
Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]
1999-07-09
This appendix establishes the technical basis of the order revision process and of each of the requirements included in the revised radioactive waste management order.
Ulrike Herzog
2015-04-30
We study the discrimination of N mixed quantum states in an optimal measurement that maximizes the probability of correct results while the probability of inconclusive results is fixed at a given value. After considering the discrimination of N states in a d-dimensional Hilbert space, we focus on the discrimination of qubit states. We develop a method to determine an optimal measurement for discriminating arbitrary qubit states, taking into account that often the optimal measurement is not unique and the maximum probability of correct results can be achieved by several different measurements. Analytical results are derived for a number of examples, mostly for the discrimination between qubit states which possess a partial symmetry, but also for discriminating N equiprobable qubit states and for the dicrimination between a pure and a uniformly mixed state in d dimensions. In the special case where the fixed rate of inconclusive results is equal to zero, our method provides a treatment for the minimum-error discrimination of arbitrary qubit states which differs from previous approaches.
The iPEPS algorithm, improved: fast full update and gauge fixing
Ho N. Phien; Johann A. Bengua; Hoang D. Tuan; Philippe Corboz; Roman Orus
2015-08-10
The infinite Projected Entangled Pair States (iPEPS) algorithm [J. Jordan et al, PRL 101, 250602 (2008)] has become a useful tool in the calculation of ground state properties of 2d quantum lattice systems in the thermodynamic limit. Despite its many successful implementations, the method has some limitations in its present formulation which hinder its application to some highly-entangled systems. The purpose of this paper is to unravel some of these issues, in turn enhancing the stability and efficiency of iPEPS methods. For this, we first introduce the fast full update scheme, where effective environment and iPEPS tensors are both simultaneously updated (or evolved) throughout time. As we shall show, this implies two crucial advantages: (i) dramatic computational savings, and (ii) improved overall stability. Besides, we extend the application of the \\emph{local gauge fixing}, successfully implemented for finite-size PEPS [M. Lubasch, J. Ignacio Cirac, M.-C. Ba\\~{n}uls, PRB 90, 064425 (2014)], to the iPEPS algorithm. We see that the gauge fixing not only further improves the stability of the method, but also accelerates the convergence of the alternating least squares sweeping in the (either "full" or "fast full") tensor update scheme. The improvement in terms of computational cost and stability of the resulting "improved" iPEPS algorithm is benchmarked by studying the ground state properties of the quantum Heisenberg and transverse-field Ising models on an infinite square lattice.
Modeling water uptake by a root system growing in a fixed soil volume
Albrieu, J L Blengino; Tarzia, D A
2015-01-01
The water uptake by roots of plants is examined for an ideal situation, with an approximation that resembles plants growing in pots, meaning that the total soil volume is fixed. We propose a coupled water uptake-root growth model. A one-dimensional model for water flux and water uptake by a root system growing uniformly distributed in the soil is presented, and the Van Genuchten model for the transport of water in soil is used. The governing equations are represented by a moving boundary model for which the root length, as a function of time, is prescribed. The solution of the model is obtained by front-fixing and finite element methods. Model predictions for water uptake by a same plant growing in loam, silt and clay soils are obtained and compared. A sensitivity analysis to determine relative effects on water uptake when system parameters are changed is also presented and shows that the model and numerical method proposed are more sensitive to the root growth rate than to the rest of the parameters. This se...
Thierry Daude; Damien Gobin; François Nicoleau
2015-01-15
In this paper, we adapt the well-known \\emph{local} uniqueness results of Borg-Marchenko type in the inverse problems for one dimensional Schr{\\"o}dinger equation to prove \\emph{local} uniqueness results in the setting of inverse \\emph{metric} problems. More specifically, we consider a class of spherically symmetric manifolds having two asymptotically hyperbolic ends and study the scattering properties of massless Dirac waves evolving on such manifolds. Using the spherical symmetry of the model, the stationary scattering is encoded by a countable family of one-dimensional Dirac equations. This allows us to define the corresponding transmission coefficients $T(\\lambda,n)$ and reflection coefficients $L(\\lambda,n)$ and $R(\\lambda,n)$ of a Dirac wave having a fixed energy $\\lambda$ and angular momentum $n$. For instance, the reflection coefficients $L(\\lambda,n)$ correspond to the scattering experiment in which a wave is sent from the \\emph{left} end in the remote past and measured in the same left end in the future. The main result of this paper is an inverse uniqueness result local in nature. Namely, we prove that for a fixed $\\lambda \
CRITICALITY SAFETY CONTROLS AND THE SAFETY BASIS AT PFP
Kessler, S
2009-04-21
With the implementation of DOE Order 420.1B, Facility Safety, and DOE-STD-3007-2007, 'Guidelines for Preparing Criticality Safety Evaluations at Department of Energy Non-Reactor Nuclear Facilities', a new requirement was imposed that all criticality safety controls be evaluated for inclusion in the facility Documented Safety Analysis (DSA) and that the evaluation process be documented in the site Criticality Safety Program Description Document (CSPDD). At the Hanford site in Washington State the CSPDD, HNF-31695, 'General Description of the FH Criticality Safety Program', requires each facility develop a linking document called a Criticality Control Review (CCR) to document performance of these evaluations. Chapter 5, Appendix 5B of HNF-7098, Criticality Safety Program, provided an example of a format for a CCR that could be used in lieu of each facility developing its own CCR. Since the Plutonium Finishing Plant (PFP) is presently undergoing Deactivation and Decommissioning (D&D), new procedures are being developed for cleanout of equipment and systems that have not been operated in years. Existing Criticality Safety Evaluations (CSE) are revised, or new ones written, to develop the controls required to support D&D activities. Other Hanford facilities, including PFP, had difficulty using the basic CCR out of HNF-7098 when first implemented. Interpretation of the new guidelines indicated that many of the controls needed to be elevated to TSR level controls. Criterion 2 of the standard, requiring that the consequence of a criticality be examined for establishing the classification of a control, was not addressed. Upon in-depth review by PFP Criticality Safety staff, it was not clear that the programmatic interpretation of criterion 8C could be applied at PFP. Therefore, the PFP Criticality Safety staff decided to write their own CCR. The PFP CCR provides additional guidance for the evaluation team to use by clarifying the evaluation criteria in DOE-STD-3007-2007. In reviewing documents used in classifying controls for Nuclear Safety, it was noted that DOE-HDBK-1188, 'Glossary of Environment, Health, and Safety Terms', defines an Administrative Control (AC) in terms that are different than typically used in Criticality Safety. As part of this CCR, a new term, Criticality Administrative Control (CAC) was defined to clarify the difference between an AC used for criticality safety and an AC used for nuclear safety. In Nuclear Safety terms, an AC is a provision relating to organization and management, procedures, recordkeeping, assessment, and reporting necessary to ensure safe operation of a facility. A CAC was defined as an administrative control derived in a criticality safety analysis that is implemented to ensure double contingency. According to criterion 2 of Section IV, 'Linkage to the Documented Safety Analysis', of DOESTD-3007-2007, the consequence of a criticality should be examined for the purposes of classifying the significance of a control or component. HNF-PRO-700, 'Safety Basis Development', provides control selection criteria based on consequence and risk that may be used in the development of a Criticality Safety Evaluation (CSE) to establish the classification of a component as a design feature, as safety class or safety significant, i.e., an Engineered Safety Feature (ESF), or as equipment important to safety; or merely provides defense-in-depth. Similar logic is applied to the CACs. Criterion 8C of DOE-STD-3007-2007, as written, added to the confusion of using the basic CCR from HNF-7098. The PFP CCR attempts to clarify this criterion by revising it to say 'Programmatic commitments or general references to control philosophy (e.g., mass control or spacing control or concentration control as an overall control strategy for the process without specific quantification of individual limits) is included in the PFP DSA'. Table 1 shows the PFP methodology for evaluating CACs. This evaluation process has been in use since February of 2008 and has proven to be simple and effective. Each control identified i
On Efficient Agnostic Learning of Linear Combinations of Basis Functions Wee Sun Lee
Botea, Adi
On Efficient Agnostic Learning of Linear Combinations of Basis Functions Wee Sun Lee Dept learning of linear combinations of basis functions when the sum of absolute values of the weights function, then the class of linear combinations of functions from the class is efficiently agnostically
H2SOLV: Fortran solver for diatomic molecules in explicitly correlated exponential basis
Pachucki, Krzysztof
Center for Advanced Studies, St. Petersburg State Polytechnical University, Polytekhnicheskaya 29, St-Wolniewicz) basis. The code provides a solution for the critical problem of an efficient and accurate evaluation of the hydrogen molecule and its isotopomers. Keywords: SchrÂ¨odinger equation; explicitly correlated basis set
On the relation between the MXL family of algorithms and Grobner basis algorithms
International Association for Cryptologic Research (IACR)
On the relation between the MXL family of algorithms and Gr¨obner basis algorithms Martin R Solving (PoSSo) problem. The most efficient known algorithms reduce the Gr¨obner basis computation", on which a new family of algorithms is based (MXL, MXL2 and MXL3). By studying and de- scribing
A GPU Implementation of a Jacobi Method for Lattice Basis Reduction
Qiao, Sanzheng
A GPU Implementation of a Jacobi Method for Lattice Basis Reduction Filip Jeremic and Sanzheng Qiao This paper describes a parallel Jacobi method for lattice basis re- duction and a GPU implementation using called the Jacobi Method. The Jacobi Method is very attractive as it is inherently parallel. We take
Neural basis of contagious itch and why some people are more prone to it
Sussex, University of
Neural basis of contagious itch and why some people are more prone to it Henning Hollea,1 | insula | touch Itch is--to some degree--socially contagious. Subjective feel- ings of itchiness and based on self-report. The study of the neural basis of contagious itch presents a unique opportunity
Munir, A.; Hensel, O. [Department of Agricultural Engineering,University of Kassel, Nordbahnhofstr. 1 a 37213 Witzenhausen (Germany); Scheffler, W. [Solar Bruecke G.v.Werdenbergstr.6 D-89344 Aislingen (Germany)
2010-08-15
Scheffler fixed focus concentrators are successfully used for medium temperature applications in different parts of the world. These concentrators are taken as lateral sections of paraboloids and provide fixed focus away from the path of incident beam radiations throughout the year. The paper presents a complete description about the design principle and construction details of an 8 m{sup 2} surface area Scheffler concentrator. The first part of the paper presents the mathematical calculations to design the reflector parabola curve and reflector elliptical frame with respect to equinox (solar declination = 0) by selecting a specific lateral part of a paraboloid. Crossbar equations and their ellipses, arc lengths and their radii are also calculated to form the required lateral section of the paraboloid. Thereafter, the seasonal parabola equations are calculated for two extreme positions of summer and winter in the northern hemisphere (standing reflectors). The slopes of the parabola equations for equinox (solar declination = 0), summer (solar declination = +23.5) and winter (solar declination = -23.5) for the Scheffler reflector (8 m{sup 2} surface area) are calculated to be 0.17, 0.28, and 0.13 respectively. The y-intercepts of the parabola equations for equinox, summer and winter are calculated as 0, 0.54, and -0.53 respectively. By comparing with the equinox parabola curve, the summer parabola is found to be smaller in size and uses the top part of the parabola curve while the winter parabola is bigger in size and uses the lower part of the parabola curve to give the fixed focus. For this purpose, the reflector assembly is composed of flexible crossbars and a frame to induce the required change of the parabola curves with the changing solar declination. The paper also presents the calculation procedure of seasonal parabola equations for standing reflectors in the southern hemisphere as well as for laying reflectors in the northern and southern hemispheres. Highly reflective aluminium sheets are used on the crossbar profiles to complete the concentrator. The reflector is installed at the required site by setting its axis of rotation at an angle equal to the latitude of the site. For daily tracking, these concentrators rotate along an axis parallel to the polar axis of the earth at an angular velocity of one revolution per day with the help of simpler and cheaper self-tracking devices. For seasonal tracking, the reflector rotates at half the solar declination angle with the help of a telescopic clamp mechanism. The design procedure is simple, flexible and does not need any special computational setup, thus offering the prospect of potential application in domestic as well as industrial configurations. (author)
Storjohann, Arne
a given integer lattice basis b1 ; b2 ; : : : ; bn 2 ZZ n into a reduced basis. The cost of L 3 reduction product. The L 3 reduction algorithm presented in [12] guarantees to return a basis with initial vector for Integer Lattice Basis Reduction Arne Storjohann Eidgen¨ossische Technische Hochschule CH8092 Z
Axisymmetric scattering of an acoustical Bessel beam by a rigid fixed spheroid
Mitri, F G
2015-01-01
Based on the partial-wave series expansion (PWSE) method in spherical coordinates, a formal analytical solution for the acoustic scattering of a zeroth-order Bessel acoustic beam centered on a rigid fixed (oblate or prolate) spheroid is provided. The unknown scattering coefficients of the spheroid are determined by solving a system of linear equations derived for the Neumann boundary condition. Numerical results for the modulus of the backscattered pressure (\\theta = \\pi) in the near-field and the backscattering form function in the far-field for both prolate and oblate spheroids are presented and discussed, with particular emphasis on the aspect ratio (i.e., the ratio of the major axis over the minor axis of the spheroid), the half-cone angle of the Bessel beam \\beta, and the dimensionless frequency. The plots display periodic oscillations (versus the dimensionless frequency) due to the interference of specularly reflected waves in the backscattering direction with circumferential Franz' waves circumnavigati...
Optimal discrimination of quantum states with a fixed rate of inconclusive outcomes
E. Bagan; R. Munoz-Tapia; G. A. Olivares-Renteria; J. A. Bergou
2012-06-19
In this paper we present the solution to the problem of optimally discriminating among quantum states, i.e., identifying the states with maximum probability of success when a certain fixed rate of inconclusive answers is allowed. By varying the inconclusive rate, the scheme optimally interpolates between Unambiguous and Minimum Error discrimination, the two standard approaches to quantum state discrimination. We introduce a very general method that enables us to obtain the solution in a wide range of cases and give a complete characterization of the minimum discrimination error as a function of the rate of inconclusive answers. A critical value of this rate is identified that coincides with the minimum failure probability in the cases where unambiguous discrimination is possible and provides a natural generalization of it when states cannot be unambiguously discriminated. The method is illustrated on two explicit examples: discrimination of two pure states with arbitrary prior probabilities and discrimination of trine states.
Non-invasive energy meter for fixed and variable flow systems
Menicucci, David F.; Black, Billy D.
2005-11-01
An energy metering method and apparatus for liquid flow systems comprising first and second segments of one or more conduits through which a liquid flows, comprising: attaching a first temperature sensor for connection to an outside of the first conduit segment; attaching a second temperature sensor for connection to an outside of the second conduit segment; via a programmable control unit, receiving data from the sensors and calculating energy data therefrom; and communicating energy data from the meter; whereby the method and apparatus operate without need to temporarily disconnect or alter the first or second conduit segments. The invention operates with both variable and fixed flow systems, and is especially useful for both active and passive solar energy systems.
Escape of photons from two fixed extreme Reissner-Nordström black holes
Daniel Alonso; Antonia Ruiz; Manuel Sánchez-Hernández
2008-11-20
We study the scattering of light (null geodesics) by two fixed extreme Reissner-Nordstr\\"om black holes, in which the gravitational attraction of their masses is exactly balanced with the electrostatic repulsion of their charges, allowing a static spacetime. We identify the set of unstable periodic orbits that constitute the fractal repeller that completely describes the chaotic escape dynamics of photons. In the framework of periodic orbit theory, the analysis of the linear stability of the unstable periodic orbits is used to obtain the main quantities of chaos that characterize the escape dynamics of the photons scattered by the black holes. In particular, the escape rate which is compared with the result obtained from numerical simulations that consider statistical ensembles of photons. We also analyze the dynamics of photons in the proximity of a perturbed black hole and give an analytical estimation for the escape rate in this system.
Fixed-Speed and Variable-Slip Wind Turbines Providing Spinning Reserves to the Grid: Preprint
Muljadi, E.; Singh, M.; Gevorgian, V.
2012-11-01
As the level of wind penetration increases, wind turbine technology must move from merely generating power from wind to taking a role in supporting the bulk power system. Wind turbines should have the capability to provide inertial response and primary frequency (governor) response so they can support the frequency stability of the grid. To provide governor response, wind turbines should be able to generate less power than the available wind power and hold the rest in reserve, ready to be accessed as needed. This paper explores several ways to control wind turbine output to enable reserve-holding capability. This paper focuses on fixed-speed (also known as Type 1) and variable-slip (also known as Type 2) turbines.
Control systems field equipment forensics : what happened to my PLC and how do I fix it?
Parks, Raymond C.
2010-10-01
The outline for the presentation is: (1) Advance preparation - (a) Think about attacks before they happen, (b) Configuration Management, (c) Backups, (d) Off-site storage, (e) Design and build for resiliency, (f) Training operators to detect attack; (2) Detection - (a) How do I know I've been attacked, (b) The front-line detection system - operators; (3) Triage - (a) Working through the attack, (b) Law enforcement or business continuity, (c) Deciding what to fix first; (4) Field Equipment Forensics - (a) Engineering Workstation, (b) Projects/Configurations/Programs; and (5) Conclusion and Discussion. Red teaming works for supply chain - Finds the worst attacks across multiple dimensions, Shows where to best expend resources to reduce risk, and Provides positive control of potentially negative activities.
The picture of the Bianchi I model via gauge fixing in Loop Quantum Gravity
Francesco Cianfrani; Andrea Marchini; Giovanni Montani
2012-01-12
The implications of the SU(2) gauge fixing associated with the choice of invariant triads in Loop Quantum Cosmology are discussed for a Bianchi I model. In particular, via the analysis of Dirac brackets, it is outlined how the holonomy-flux algebra coincides with the one of Loop Quantum Gravity if paths are parallel to fiducial vectors only. This way the quantization procedure for the Bianchi I model is performed by applying the techniques developed in Loop Quantum Gravity but restricting the admissible paths. Furthermore, the local character retained by the reduced variables provides a relic diffeomorphisms constraint, whose imposition implies homogeneity on a quantum level. The resulting picture for the fundamental spatial manifold is that of a cubical knot with attached SU(2) irreducible representations. The discretization of geometric operators is outlined and a new perspective for the super-Hamiltonian regularization in Loop Quantum Cosmology is proposed.
Nelms, Benjamin E.; Opp, Daniel; Zhang, Geoffrey; Moros, Eduardo; Feygelman, Vladimir
2014-06-15
Purpose: In this work, the feasibility of implementing a motion-perturbation approach to accurately estimate volumetric dose in the presence of organ motion—previously demonstrated for VMAT-–is studied for static gantry IMRT. The method's accuracy is improved for the voxels that have very low planned dose but acquire appreciable dose due to motion. The study describes the modified algorithm and its experimental validation and provides an example of a clinical application. Methods: A contoured region-of-interest is propagated according to the predefined motion kernel throughout time-resolved 4D phantom dose grids. This timed series of 3D dose grids is produced by the measurement-guided dose reconstruction algorithm, based on an irradiation of a staticARCCHECK (AC) helical dosimeter array (Sun Nuclear Corp., Melbourne, FL). Each moving voxel collects dose over the dynamic simulation. The difference in dose-to-moving voxel vs dose-to-static voxel in-phantom forms the basis of a motion perturbation correction that is applied to the corresponding voxel in the patient dataset. A new method to synchronize the accelerator and dosimeter clocks, applicable to fixed-gantry IMRT, was developed. Refinements to the algorithm account for the excursion of low dose voxels into high dose regions, causing appreciable dose increase due to motion (LDVE correction). For experimental validation, four plans using TG-119 structure sets and objectives were produced using segmented IMRT direct machine parameters optimization in Pinnacle treatment planning system (v. 9.6, Philips Radiation Oncology Systems, Fitchburg, WI). All beams were delivered with the gantry angle of 0°. Each beam was delivered three times: (1) to the static AC centered on the room lasers; (2) to a static phantom containing a MAPCHECK2 (MC2) planar diode array dosimeter (Sun Nuclear); and (3) to the moving MC2 phantom. The motion trajectory was an ellipse in the IEC XY plane, with 3 and 1.5 cm axes. The period was 5 s, with the resulting average motion speed of 1.45 cm/s. The motion-perturbed high resolution (2 mm voxel) volumetric dose grids on the MC2 phantom were generated for each beam. From each grid, a coronal dose plane at the detector level was extracted and compared to the corresponding moving MC2 measurement, using gamma analysis with both global (G) and local (L) dose-error normalization. Results: Using the TG-119 criteria of (3%G/3 mm), per beam average gamma analysis passing rates exceeded 95% in all cases. No individual beam had a passing rate below 91%. LDVE correction eliminated systematic disagreement patterns at the beams’ aperture edges. In a representative example, application of LDVE correction improved (2%L/2 mm) gamma analysis passing rate for an IMRT beam from 74% to 98%. Conclusions: The effect of motion on the moving region-of-interest IMRT dose can be estimated with a standard, static phantom QA measurement, provided the motion characteristics are independently known from 4D CT or otherwise. The motion-perturbed absolute dose estimates were validated by the direct planar diode array measurements, and were found to reliably agree with them in a homogeneous phantom.
Safety basis academy summary of project implementation from 2007-2009
Johnston, Julie A
2009-01-01
During fiscal years 2007 through 2009, in accordance with Performance Based Incentives with DOE/NNSA Los Alamos Site Office, Los Alamos National Security (LANS) implemented and operated a Safety Basis Academy (SBA) to facilitate uniformity in technical qualifications of safety basis professionals across the nuclear weapons complex. The implementation phase of the Safety Basis Academy required development, delivery, and finalizing a set of 23 courses. The courses developed are capable of supporting qualification efforts for both federal and contractor personnel throughout the DOE/NNSA Complex. The LANS Associate Director for Nuclear and High Hazard Operations (AD-NHHO) delegated project responsibillity to the Safety Basis Division. The project was assigned to the Safety Basis Technical Services (SB-TS) Group at Los Alamos National Laboratory (LANL). The main tasks were project needs analysis, design, development, implementation of instructional delivery, and evaluation of SBA courses. DOE/NNSA responsibility for oversight of the SBA project was assigned to the Chief of Defense for Nuclear Safety, and delegated to the Authorization Basis Senior Advisor, Continuous Learning Chair (CDNS-ABSA/CLC). NNSA developed a memorandum of agreement with LANS AD-NHHO. Through a memorandum of agreement initiated by NNSA, the DOE National Training Center (NTC) will maintain the set of Safety Basis Academy courses and is able to facilitate course delivery throughout the DOE Complex.
A Complete Basis for a Perturbation Expansion of the General N-Body Problem
W. Blake Laing; David W. Kelle; Martin Dunn; Deborah K. Watson
2009-02-19
We discuss a basis set developed to calculate perturbation coefficients in an expansion of the general N-body problem. This basis has two advantages. First, the basis is complete order-by-order for the perturbation series. Second, the number of independent basis tensors spanning the space for a given order does not scale with N, the number of particles, despite the generality of the problem. At first order, the number of basis tensors is 23 for all N although the problem at first order scales as N^6. The perturbation series is expanded in inverse powers of the spatial dimension. This results in a maximally symmetric configuration at lowest order which has a point group isomorphic with the symmetric group, S_N. The resulting perturbation series is order-by-order invariant under the N! operations of the S_N point group which is responsible for the slower than exponential growth of the basis. In this paper, we perform the first test of this formalism including the completeness of the basis through first order by comparing to an exactly solvable fully-interacting problem of N particles with a two-body harmonic interaction potential.
Bayesian Active Learning With Basis Functions Ilya O. Ryzhov and Warren B. Powell
Powell, Warren B.
. The new method performs well in numerical experiments conducted on an energy storage problem. I for a fixed state S. Consider a simple energy storage problem where we can buy energy at the spot price, use it to charge a battery, then wait until the price goes up and discharge back to the grid. Energy prices
Spin and diffractive physics with A Fixed-Target ExpeRiment at the LHC (AFTER@LHC)
Lorce, C; Arnaldi, R; Brodsky, S J; Chambert, V; Didelez, J P; Ferreiro, E G; Fleuret, F; Genolini, B; Hadjidakis, C; Lansberg, J P; Rakotozafindrabe, A; Rosier, P; Schienbein, I; Scomparin, E; Uggerhoj, U I
2012-01-01
We report on the spin and diffractive physics at a future multi-purpose fixed-target experiment with proton and lead LHC beams extracted by a bent crystal. The LHC multi-TeV beams allow for the most energetic fixed-target experiments ever performed, opening new domains of particle and nuclear physics and complementing that of collider physics, in particular that of RHIC and the EIC projects. The luminosity achievable with AFTER using typical targets would surpass that of RHIC by more than 3 orders of magnitude. The fixed-target mode has the advantage to allow for measurements of single-spin asymmetries with polarized target as well as of single-diffractive processes in the target region.
Assessment of tungsten/rhenium thermocouples with metal-carbon eutectic fixed points up to 1500°C
Gotoh, M. [National Research Council of Canada 1200 Montreal Road, Ottawa ON. Canada K1A 0R6 (Canada)] [National Research Council of Canada 1200 Montreal Road, Ottawa ON. Canada K1A 0R6 (Canada)
2013-09-11
Four Type A thermocouples and two Type C thermocouples were calibrated at the Au fixed point and Co-C and Pd-C eutectic fixed points. The thermocouples were exposed to 1330 °C for a total of 100 hours. The maximum drift due to the exposure was found to be 4.8 °C. The fixed-point calibration EMF of these thermocouples deviated by less than 0.86% from the temperature specified by the standards ASTM E230-2003 for Type C and GOSTR 8.585-2001 for Type A. The length of one of Type A thermocouples A52 is longer than the others by 150mm. Making use of this provision it was possible to place annealed part of A52 to the temperature gradient part of calibration arrangement every time. Therefore observed aging effect was as low as 0.5 °C compared to the other thermocouples.
DElia, M.; Farchioni, F.; Papa, A.
1997-02-01
We study the renormalization group evolution up to the fixed point of the lattice topological susceptibility in the 2D O(3) nonlinear {sigma} model. We start with a discretization of the continuum topological charge by a local charge density polynomial in the lattice fields. Among the different choices we propose also a Symanzik-improved lattice topological charge. We check step by step in the renormalization group iteration the progressive dumping of quantum fluctuations, which are responsible for the additive and multiplicative renormalizations of the lattice topological susceptibility with respect to the continuum definition. We find that already after three iterations these renormalizations are negligible and an excellent approximation of the fixed point is achieved. We also check by an explicit calculation that the assumption of slowly varying fields in iterating the renormalization group does not lead to a good approximation of the fixed point charge operator. {copyright} {ital 1997} {ital The American Physical Society}
Linear response calculation using the canonical-basis TDHFB with a schematic pairing functional
Shuichiro Ebata; Takashi Nakatsukasa; Kazuhiro Yabana
2010-09-17
A canonical-basis formulation of the time-dependent Hartree-Fock-Bogoliubov (TDHFB) theory is obtained with an approximation that the pair potential is assumed to be diagonal in the time-dependent canonical basis. The canonical-basis formulation significantly reduces the computational cost. We apply the method to linear-response calculations for even-even nuclei. E1 strength distributions for proton-rich Mg isotopes are systematically calculated. The calculation suggests strong Landau damping of giant dipole resonance for drip-line nuclei.
Thimsen, D.; Maurer, R.E.; Pooler, A.R.; Pui, D.; Liu, B.; Kittelson, D.
1985-05-01
A single-staged, fixed-bed Wellman-Galusha gasifier coupled with a hot, raw gas combustion system and scrubber has been used to gasify numerous coals from throughout the United States. The gasification test program is organized as a coooperative effort by private industrial participants and governmental agencies. The consortium of participants is organized under the Mining and Industrial Fuel Gas (MIFGa) Group. This report is the eleventh volume in a series of reports describing the atmospheric pressure, fixed-bed gasification of US coals. This specific report describes the gasification of peat pellets and peat sods during 3 different test periods. 2 refs., 20 figs., 13 tabs.
Physics Opportunities of a Fixed-Target Experiment using the LHC Beams
S. J. Brodsky; F. Fleuret; C. Hadjidakis; J. P. Lansberg
2012-02-29
We outline the many physics opportunities offered by a multi-purpose fixed-target experiment using the LHC proton and Pb beams extracted by a bent crystal. In a proton run with the LHC 7-TeV beam, one can analyze pp, pd and pA collisions at sqrt(s_NN)~115 GeV and even higher using the Fermi motion in a nuclear target. In a Pb run with a 2.76 TeV-per-nucleon beam, sqrt(s_NN) is as high as 72 GeV. Bent crystals can be used to extract about 5x10^8 protons/s; the integrated luminosity over a year reaches 0.5fb-1 on a typical 1 cm-long target without species limitation. Such an extraction mode does not alter the performance of the collider experiments at the LHC. By instrumenting the target-rapidity region, gluon and heavy-quark proton and neutron PDFs can be accessed at large x and even at x larger than 1 in the nuclear case. Single diffractive physics and, for the first time, the large negative-xF domain can be accessed. The nuclear target-species versatility provides a unique opportunity to study nuclear matter vs. the features of the hot and dense matter formed in heavy-ion collisions, which can be studied in PbA collisions over the full range of target-rapidity domain with a large variety of nuclei. The polarization of hydrogen and nuclear targets allows an ambitious spin program, including measurements of the QCD lensing effects which underlie the Sivers single-spin asymmetry, the study of transversity distributions and possibly of polarized PDFs. We also emphasize the potential offered by pA ultra-peripheral collisions where the nucleus target A is used as a coherent photon source, mimicking photoproduction processes in ep collisions. Finally, we note that W and Z bosons can be produced and detected in a fixed-target experiment and in their threshold domain for the first time, providing new ways to probe the partonic content of the proton and the nucleus.
Basis Token Consistency A Practical Mechanism for Strong Web Cache Consistency
call \\Basis Token Consistency" or BTC; when im- plemented at the server, this mechanism allows any between the BTC algorithm and the use of the Time-To-Live (TTL) heuristic. #3; This research was supported
A Static condensation Reduced Basis Element method: approximation and a posteriori error estimation
Knezevic, David
We propose a new reduced basis element-cum-component mode synthesis approach for parametrized elliptic coercive partial differential equations. In the Offline stage we construct a Library of interoperable parametrized ...
Contribution of the basis-dependent adiabatic geometric phase to noncyclic evolution
M. T. Thomaz
2015-04-19
The geometric phase acquired by the vector states under an adiabatic evolution along a noncyclic path can be calculated correctly in any instantaneous basis of a Hamiltonian that varies in time due to a time-dependent classical field.
The Ecological Basis of Forest Ecosystem Management in the Oregon Coast Range
Wright, Dawn Jeannine
processes can contribute to reaching ecosystem goals. We draw primarily on information developed31 The Ecological Basis of Forest Ecosystem Management in the Oregon Coast Range Thomas A. Spies twelve major ecological themes (regional environment, ecosystem types and patterns, vegetation
Basis Enrichment and Solid-fluid Coupling for Model-reduced Fluid Simulation
Plotkin, Joshua B.
simulation pipeline. Specifically, we present a basis enrichment scheme for combining ana- lytic, data to generalize outside the training data and thus requiring significantly less training data without the risk
AUDIT REPORT Follow-up on Nuclear Safety: Safety Basis and Quality...
Broader source: Energy.gov (indexed) [DOE]
Nuclear Safety: Safety Basis and Quality Assurance at the Los Alamos National Laboratory DOEIG-0941 July 2015 U.S. Department of Energy Office of Inspector General Office of...
Niyogi, Partha
1994-02-01
In this paper, we bound the generalization error of a class of Radial Basis Function networks, for certain well defined function learning tasks, in terms of the number of parameters and number of examples. We show ...
Non-homogeneous solutions of a Coulomb Schrödinger equation as basis set for scattering problems
Del Punta, J. A.; Ambrosio, M. J.; Gasaneo, G.; Zaytsev, S. A.; Ancarani, L. U.
2014-05-15
We introduce and study two-body Quasi Sturmian functions which are proposed as basis functions for applications in three-body scattering problems. They are solutions of a two-body non-homogeneous Schrödinger equation. We present different analytic expressions, including asymptotic behaviors, for the pure Coulomb potential with a driven term involving either Slater-type or Laguerre-type orbitals. The efficiency of Quasi Sturmian functions as basis set is numerically illustrated through a two-body scattering problem.
Efficient quantum key distribution scheme with pre-announcing the basis
Jingliang Gao; Changhua Zhu; Heling Xiao
2014-10-21
We devise a new quantum key distribution scheme that is more efficient than the BB84 protocol. By pre-announcing basis, Alice and Bob are more likely to use the same basis to prepare and measure the qubits, thus achieves a higher efficiency. The error analysis is revised and its security against any eavesdropping is proven briefly. Furthermore we show that, compared with the LCA scheme, our modification can be applied in more quantum channels.
Fixed bed reduction of hematite under alternating reduction and oxidation cycles
DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)
Breault, Ronald W.; Monazam, Esmail R.
2015-02-28
The rate of the reduction reaction of a low cost natural hematite oxygen carrier for chemical looping combustion was investigated in a fixed bed reactor where hematite samples of about 1 kg were exposed to a flowing stream of methane and argon. The investigation aims to develop understanding of the factors that govern the rate of reduction with in larger reactors as compared to mostly TGA investigations in the literature. Comparison of the experimental data with a model indicated that reaction between the methane and the iron oxide shows multi-step reactions. The analysis also shows that the conversion occurs withmore »a process that likely consumes all the oxygen close to the surface of the hematite particles and another process that is likely controlled by the diffusion of oxygen to the surface of the particles. Additional analysis shows that the thickness of the fast layer is on the order of 8 unit crystals. This is about 0.4% of the hematite; however, it comprises about 20 to 25% of the conversion for the 10 min reduction cycle.« less
Physics Opportunities of a Fixed-Target Experiment using the LHC Beams
Brodsky, S J; Hadjidakis, C; Lansberg, J P
2012-01-01
We outline the many physics opportunities offered by a multi-purpose fixed-target experiment using the LHC proton and Pb beams extracted by a bent crystal. In a proton run with the LHC 7-TeV beam, one can analyze pp, pd and pA collisions at sqrt(s_NN)~115 GeV and even higher using the Fermi motion in a nuclear target. In a Pb run with a 2.76 TeV-per-nucleon beam, sqrt(s_NN) is as high as 72 GeV. Bent crystals can be used to extract about 5x10^8 protons/s; the integrated luminosity over a year reaches 0.5fb-1 on a typical 1 cm-long target without species limitation. Such an extraction mode does not alter the performance of the collider experiments at the LHC. By instrumenting the target-rapidity region, gluon and heavy-quark proton and neutron PDFs can be accessed at large x and even at x larger than 1 in the nuclear case. Single diffractive physics and, for the first time, the large negative-xF domain can be accessed. The nuclear target-species versatility provides a unique opportunity to study nuclear matter...
Quarkonium Physics at a Fixed-Target Experiment using the LHC Beams
Lansberg, J P; Fleuret, F; Hadjidakis, C
2012-01-01
We outline the many quarkonium-physics opportunities offered by a multi-purpose fixed-target experiment using the p and Pb LHC beams extracted by a bent crystal. This provides an integrated luminosity of 0.5 fb-1 per year on a typical 1cm-long target. Such an extraction mode does not alter the performance of the collider experiments at the LHC. With such a high luminosity, one can analyse quarkonium production in great details in pp, pd and pA collisions at sqrt(sNN)~115 GeV and at sqrt(sNN)~72 GeV in PbA collisions. In a typical pp (pA) run, the obtained quarkonium yields per unit of rapidity are 2-3 orders of magnitude larger than those expected at RHIC and about respectively 10 (70) times larger than for ALICE. In PbA, they are comparable. By instrumenting the target-rapidity region, the large negative-xF domain can be accessed for the first time, greatly extending previous measurements by Hera-B and E866. Such analyses should help resolving the quarkonium-production controversies and clear the way for glu...
T. Beranek; H. Merkel; M. Vanderhaeghen
2013-03-11
Motivated by anomalies in cosmic ray observations and by attempts to solve questions of the Standad Model of particle physics like the (g-2)_mu discrepancy, U(1) extensions of the Standard Model have been proposed in recent years. Such U(1) extensions allow for the interaction of Dark Matter by exchange of a photon-like massive force carrier \\gamma' not included in the Standard Model. In order to search for \\gamma' bosons various experimental programs have been started. One approach is the dedicated search at fixed-target experiments at modest energies as performed at MAMI or at the Jefferson Lab. In these experiments the process e(A,Z)->e(A,Z)l^+l^- is investigated and a search for a very narrow resonance in the invariant mass distribution of the l^+l^- pair is performed. In this work we analyze this process in terms of signal and background in order to describe existing data obtained by the A1 experiment at MAMI with the aim to give accurate predictions for exclusion limits in the \\gamma' parameter space. We present a detailed theoretical analysis of the cross sections entering in the description of such processes.
Proposed Fermilab fixed target experiment: Kaons at the Tevatron. Environmental Assessment
Not Available
1993-12-01
The US Department of Energy (DOE) has prepared an Environmental Assessment (EA), DOE/EA-0898, evaluating the impacts associated with the proposed fixed target experiment at the Fermi National Accelerator Laboratory (Femilab) in Batavia, Illinois, known as Kaons at the Tevatron (KTeV). The proposed KTeV project includes reconfiguration of an existing target station, enhancement of an existing beam transport system connected to existing utility facilities, and construction of a new experimental detector hall area. The study of the K meson, a type of subatomic particle, has been going on at Fermilab for 20 years. The proposed KTEV project advances the search for the origins of a violation of a fundamental symmetry of nature called charge parity (CP) violation. Based on the analysis in the EA, the DOE has determined that the proposed action does not constitute a major Federal action significantly affecting the quality of the human environment, within the meaning of the National Environmental Policy Act (NEPA) of 1969. Therefore, the preparation of an Environmental Impact Statement is not required.
Linear Fixed-Field Multi-Pass Arcs for Recirculating Linear Accelerators
V.S. Morozov, S.A. Bogacz, Y.R. Roblin, K.B. Beard
2012-06-01
Recirculating Linear Accelerators (RLA's) provide a compact and efficient way of accelerating particle beams to medium and high energies by reusing the same linac for multiple passes. In the conventional scheme, after each pass, the different energy beams coming out of the linac are separated and directed into appropriate arcs for recirculation, with each pass requiring a separate fixed-energy arc. In this paper we present a concept of an RLA return arc based on linear combined-function magnets, in which two and potentially more consecutive passes with very different energies are transported through the same string of magnets. By adjusting the dipole and quadrupole components of the constituting linear combined-function magnets, the arc is designed to be achromatic and to have zero initial and final reference orbit offsets for all transported beam energies. We demonstrate the concept by developing a design for a droplet-shaped return arc for a dog-bone RLA capable of transporting two beam passes with momenta different by a factor of two. We present the results of tracking simulations of the two passes and lay out the path to end-to-end design and simulation of a complete dog-bone RLA.
Double-quarkonium production at a fixed-target experiment at the LHC (AFTER@LHC)
Jean-Philippe Lansberg; Hua-Sheng Shao
2015-11-03
We present predictions for double-quarkonium production in the kinematical region relevant for the proposed fixed-target experiment using the LHC beams (dubbed as AFTER@LHC). These include all spin-triplet S -wave charmonium and bottomonium pairs, i.e. Psi(n_1S) + Psi(n_2S), Psi(n_1S) + Upsilon(m_1S) and Upsilon(m_1S) + Upsilon(m_2S ) with n_1,n_2 = 1,2 and m_1,m_2 = 1,2,3. We calculate the contributions from double-parton scatterings and single-parton scatterings. With an integrated luminosity of 20 fb-1 to be collected at AFTER@LHC, we find that the yields for double-charmonium production are large enough for differential distribution measurements. We discuss some differential distributions for J/Psi + J/Psi production, which can help to study the physics of double-parton and single-parton scatterings in a new energy range and which might also be sensitive to double intrinsic c-bar(c) coalescence at large negative Feynman x.
Post-treatment of fly ash by ozone in a fixed bed reactor
Kim Hougaard Pedersen; Merc Casanovas Meli; Anker Degn Jensen; Kim Dam-Johansen
2009-01-15
The residual carbon in fly ash produced from pulverized coal combustion can adsorb the air-entraining admixtures (AEAs) added to enhance air entrainment in concrete. This behavior of the ash can be suppressed by exposing the fly ash to oxidizing species, which oxidizes the carbon surface and thus prevents the AEA to be adsorbed. In the present work, two fly ashes have been ozonated in a fixed bed reactor and the results showed that ozonation is a potential post-treatment method that can lower the AEA requirements of a fly ash up to 6 times. The kinetics of the carbon oxidation by ozone was found to be fast. A kinetic model has been formulated, describing the passivation of carbon, and it includes the stoichiometry of the ozone consumption (0.8 mol of O{sub 3}/kg of C) and an ineffective ozone loss caused by catalytic decomposition. The simulated results correlated well with the experimental data. 28 refs., 7 figs., 3 tabs.
Phase Locking A neuron phase-locks to a periodic input--it spikes at a fixed delay [Izhikevich07].
Boahen, Kwabena
from the Mathematica Help Browser 1 ©19882008Wolfram Research, Inc. All rights reserved from the Mathematica Help Browser ©19882008Wolfram Research, Inc. All rights reserved this out on the board---hard to follow otherwise. Eventually, the phase stops changing--a stable fixed
Moore, John Barratt
1973-01-01
the improvement may be quite substantial. INTRODUCTION Non-linear estimation theory ranges from equations-point smoothing. The emphasis in this paper is on practical fixed-lag smoothing algorithms and so the theory theory used is based on simplifying approximations, but assuming that the simplifications are valid
McKenna, Joseph
Large Torsional Oscillations in Suspension Bridges Revisited: Fixing an Old Approximation Author to The American Mathematical Monthly. http://www.jstor.org #12;LargeTorsionalOscillations in SuspensionBridges,FredericD. Schwartzwrites "The Tacoma NarrowsBridgecollapse is technology'sversionoftheJFK assassi- nation. There
Unifying Bit-width Optimisation for Fixed-point and Floating-point Designs Altaf Abdul Gaffar1
Mencer, Oskar
Unifying Bit-width Optimisation for Fixed-point and Floating-point Designs Altaf Abdul Gaffar1 , Oskar Mencer1 , Wayne Luk1 and Peter Y.K. Cheung2 1 Department of Computing, Imperial College, London SW7 2BZ, UK. 2 Department of EEE, Imperial College, London SW7 2BT, UK. Abstract This paper presents
Relaxed active space: Fixing tailored-CC with high order coupled cluster. II
Melnichuk, Ann Bartlett, Rodney J.
2014-02-14
Due to the steep increase in computational cost with the inclusion of higher-connected cluster operators in coupled-cluster applications, it is usually not practical to use such methods for larger systems or basis sets without an active space partitioning. This study generates an active space subject to unambiguous statistical criteria to define a space whose size permits treatment at the CCSDT level. The automated scheme makes it unnecessary for the user to judge whether a chosen active space is sufficient to correctly solve the problem. Two demanding applications are presented: twisted ethylene and the transition states for the bicyclo[1,1,0]butane isomerization. As bi-radicals both systems require at least a CCSDT level of theory for quantitative results, for the geometries and energies.
Physics Basis and Mechanical Design of the Actively Cooled Duct Scraper Protection for the JET Neutral Beam Enhancement
Symmetric multivariate polynomials as a basis for three-boson light-front wave functions
Sophia S. Chabysheva; Blair Elliott; John R. Hiller
2013-07-18
We develop a polynomial basis to be used in numerical calculations of light-front Fock-space wave functions. Such wave functions typically depend on longitudinal momentum fractions that sum to unity. For three particles, this constraint limits the two remaining independent momentum fractions to a triangle, for which the three momentum fractions act as barycentric coordinates. For three identical bosons, the wave function must be symmetric with respect to all three momentum fractions. Therefore, as a basis, we construct polynomials in two variables on a triangle that are symmetric with respect to the interchange of any two barycentric coordinates. We find that, through the fifth order, the polynomial is unique at each order, and, in general, these polynomials can be constructed from products of powers of the second and third-order polynomials. The use of such a basis is illustrated in a calculation of a light-front wave function in two-dimensional phi^4 theory; the polynomial basis performs much better than the plane-wave basis used in discrete light-cone quantization.
Kainz, K; Prah, D; Ahunbay, E; Li, X
2014-06-01
Purpose: A novel modulated arc therapy technique, mARC, enables superposition of step-and-shoot IMRT segments upon a subset of the optimization points (OPs) of a continuous-arc delivery. We compare two approaches to mARC planning: one with the number of OPs fixed throughout optimization, and another where the planning system determines the number of OPs in the final plan, subject to an upper limit defined at the outset. Methods: Fixed-OP mARC planning was performed for representative cases using Panther v. 5.01 (Prowess, Inc.), while variable-OP mARC planning used Monaco v. 5.00 (Elekta, Inc.). All Monaco planning used an upper limit of 91 OPs; those OPs with minimal MU were removed during optimization. Plans were delivered, and delivery times recorded, on a Siemens Artiste accelerator using a flat 6MV beam with 300 MU/min rate. Dose distributions measured using ArcCheck (Sun Nuclear Corporation, Inc.) were compared with the plan calculation; the two were deemed consistent if they agreed to within 3.5% in absolute dose and 3.5 mm in distance-to-agreement among > 95% of the diodes within the direct beam. Results: Example cases included a prostate and a head-and-neck planned with a single arc and fraction doses of 1.8 and 2.0 Gy, respectively. Aside from slightly more uniform target dose for the variable-OP plans, the DVHs for the two techniques were similar. For the fixed-OP technique, the number of OPs was 38 and 39, and the delivery time was 228 and 259 seconds, respectively, for the prostate and head-and-neck cases. For the final variable-OP plans, there were 91 and 85 OPs, and the delivery time was 296 and 440 seconds, correspondingly longer than for fixed-OP. Conclusion: For mARC, both the fixed-OP and variable-OP approaches produced comparable-quality plans whose delivery was successfully verified. To keep delivery time per fraction short, a fixed-OP planning approach is preferred.
Satisfiability of logic programming based on radial basis function neural networks
Hamadneh, Nawaf; Sathasivam, Saratha; Tilahun, Surafel Luleseged; Choon, Ong Hong [School of Mathematical Sciences, Universiti Sains Malaysia, 11800 USM, Penang (Malaysia)
2014-07-10
In this paper, we propose a new technique to test the Satisfiability of propositional logic programming and quantified Boolean formula problem in radial basis function neural networks. For this purpose, we built radial basis function neural networks to represent the proportional logic which has exactly three variables in each clause. We used the Prey-predator algorithm to calculate the output weights of the neural networks, while the K-means clustering algorithm is used to determine the hidden parameters (the centers and the widths). Mean of the sum squared error function is used to measure the activity of the two algorithms. We applied the developed technique with the recurrent radial basis function neural networks to represent the quantified Boolean formulas. The new technique can be applied to solve many applications such as electronic circuits and NP-complete problems.
Safety basis For activities in double-shell tanks with flammable gas concerns
Schlosser, R.L.
1996-02-05
This is full revision to Revision 0 of this report. The purpose of this report is to provide a summary of analyses done to support activities performed for double shell tanks. These activities are encompassed by the flammable gas Unreviewed Safety Question (USQ). The basic controls required to perform these activities involve the identification, elimination and/or control of ignition sources and monitoring for flammable gases. Controls are implemented through the Interim Safety Basis (ISB), IOSRs, and OSDs. Since this report only provides a historical compendium of issues and activities, it is not to be used as a basis to perform USQ screenings and evaluations. Furthermore, these analyses and others in process will be used as the basis for developing the Flammable Gas Topical Report for the ISB Upgrade.
Time-dependent density functional theory quantum transport simulation in non-orthogonal basis
Kwok, Yan Ho; Xie, Hang; Yam, Chi Yung; Chen, Guan Hua; Zheng, Xiao
2013-12-14
Basing on the earlier works on the hierarchical equations of motion for quantum transport, we present in this paper a first principles scheme for time-dependent quantum transport by combining time-dependent density functional theory (TDDFT) and Keldysh's non-equilibrium Green's function formalism. This scheme is beyond the wide band limit approximation and is directly applicable to the case of non-orthogonal basis without the need of basis transformation. The overlap between the basis in the lead and the device region is treated properly by including it in the self-energy and it can be shown that this approach is equivalent to a lead-device orthogonalization. This scheme has been implemented at both TDDFT and density functional tight-binding level. Simulation results are presented to demonstrate our method and comparison with wide band limit approximation is made. Finally, the sparsity of the matrices and computational complexity of this method are analyzed.
Prasad, Rajiv; Hibler, Lyle F.; Coleman, Andre M.; Ward, Duane L.
2011-11-01
The purpose of this document is to describe approaches and methods for estimation of the design-basis flood at nuclear power plant sites. Chapter 1 defines the design-basis flood and lists the U.S. Nuclear Regulatory Commission's (NRC) regulations that require estimation of the design-basis flood. For comparison, the design-basis flood estimation methods used by other Federal agencies are also described. A brief discussion of the recommendations of the International Atomic Energy Agency for estimation of the design-basis floods in its member States is also included.
Sen, Arnab; Beauchemin, Nicholas; Bruce, David; Chain, Patrick S. G.; Chen, Amy; Davenport, Karen W.; Deshpande, Shweta; Detter, J. Chris; Furnholm, Teal; Ghodhbane-Gtari, Faten; Goodwin, Lynne A.; Gtari, Maher; Han, James; Huntemann, Marcel; Ivanova, N; Kyrpides, Nikos C; Land, Miriam L; Markowitz, Victor; Mavromatis, K; Nolan, Matt; Nouioui, Imen; Pagani, Ioanna; Pati, Amrita; Pitluck, Sam; Santos, Catarina; Sur, Saubashya; Szeto, Ernest; Tavares, Fernando; Teshima, Hazuki; Thakur, Subarna; Wall, Luis; Woyke, Tanja; Wishart, Jessie; Tisa, Louis S.
2013-01-01
Members of actinomycete genus Frankia form a nitrogen-fixing symbiosis with 8 different families of actinorhizal plants. We report a high-quality draft genome sequence for Frankia sp. stain QA3, a nitrogen-fixing actinobacterium isolated from root nodules of Alnus nitida.
Li, Xin
1 Computer-Aided Design of Machine Learning Algorithm: Training Fixed-Point Classifier for On. While fixed-point arithmetic has been extensively studied for digital signal processing [10 a case study of linear discriminant analysis (LDA) [2] for binary classification. We will demonstrate
2002-01-01
scattering problems with fixed-energy data. A.G. Ramm Mathematics Department, Kansas State University energy data are obtained. Inversion of exact and noisy data is considered. The inverse po- tential. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2 Inverse potential scattering problem with fixed-energy data 11 2.1 Uniqueness theorem
2002-01-01
scattering problems with fixedenergy data. #+ A.G. Ramm Mathematics Department, Kansas State University energy data are obtained. Inversion of exact and noisy data is considered. The inverse po tential. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2 Inverse potential scattering problem with fixedenergy data 11 2.1 Uniqueness theorem
Thomas, Len
DECAF Â Density Estimation for Cetaceans from passive Acoustic Fixed sensors Len Thomas CREEM of cetacean species from fixed passive acoustic devices. Methods should be applicable to a wide range Technical approach In developing the statistical methods, we are building upon the existing substantial body
Hutcheon, James M.
earned on restricted fixed-price or fee-for- service contracts: (1) timely and appropriate use; (2 expenditures. II. Policy Statement General Information A fixed-price agreement requires the university of defective pricing, and, if substantiated, the university could be subject to fines, penalties, and debarment
Analytic matrix elements for the two-electron atomic basis with logarithmic terms
Liverts, Evgeny Z.; Barnea, Nir
2014-08-01
The two-electron problem for the helium-like atoms in S-state is considered. The basis containing the integer powers of ln r, where r is a radial variable of the Fock expansion, is studied. In this basis, the analytic expressions for the matrix elements of the corresponding Hamiltonian are presented. These expressions include only elementary and special functions, what enables very fast and accurate computation of the matrix elements. The decisive contribution of the correct logarithmic terms to the behavior of the two-electron wave function in the vicinity of the triple-coalescence point is reaffirmed.
Core excitation effects in halo nuclei using a transformed oscillator basis
Lay, J. A.; Arias, J. M.; Moro, A. M. [Departamento de FAMN, Facultad de Fisica, Universidad de Sevilla, Apdo. 1065, E-41080 Sevilla (Spain); Gomez-Camacho, J. [Departamento de FAMN, Facultad de Fisica, Universidad de Sevilla, Apdo. 1065, E-41080 Sevilla, Spain and Centro Nacional de Aceleradores, Avda. Thomas A. Edison, E-41092, Sevilla (Spain)
2013-06-10
A recent generalization of the Transformed Harmonic Oscillator basis, intended to consider core excitations in the structure of one nucleon halo nuclei, is applied to the break up of {sup 11}Be. The reaction studied is {sup 11}Be+{sup 208}Pb at 69 MeV/nucleon. The experimental set up is designed to ensure pure dipole Coulomb excitations. Making use of the Equivalent Photon Method and the electromagnetic transition probabilities obtained with the transformed oscillator basis, a relevant contribution of the quadrupole excitations of the core is found. The inclusion of core excitations is, therefore, necessary for the correct extraction of the dipole electromagnetic transition probability of halo nuclei.
Williams, M. G.; Mouser, M. R.; Simon, J. B.
2012-07-01
The AP1000{sup R} plant is an 1100-MWe pressurized water reactor with passive safety features and extensive plant simplifications that enhance construction, operation, maintenance, safety and cost. The passive safety features are designed to function without safety-grade support systems such as component cooling water, service water, compressed air or HVAC. The AP1000 passive safety features achieve and maintain safe shutdown in case of a design-basis accident for 72 hours without need for operator action, meeting the expectations provided in the European Utility Requirements and the Utility Requirement Document for passive plants. Limited operator actions may be required to maintain safe conditions in the spent fuel pool (SFP) via passive means. This safety approach therefore minimizes the reliance on operator action for accident mitigation, and this paper examines the operator interaction with the Human-System Interface (HSI) as the severity of an accident increases from an anticipated transient to a design basis accident and finally, to a beyond-design-basis event. The AP1000 Control Room design provides an extremely effective environment for addressing the first 72 hours of design-basis events and transients, providing ease of information dissemination and minimal reliance upon operator actions. Symptom-based procedures including Emergency Operating Procedures (EOPs), Abnormal Operating Procedures (AOPs) and Alarm Response Procedures (ARPs) are used to mitigate design basis transients and accidents. Use of the Computerized Procedure System (CPS) aids the operators during mitigation of the event. The CPS provides cues and direction to the operators as the event progresses. If the event becomes progressively worse or lasts longer than 72 hours, and depending upon the nature of failures that may have occurred, minimal operator actions may be required outside of the control room in areas that have been designed to be accessible using components that have been designed to be reliable in these conditions. The primary goal of any such actions is to maintain or refill the passive inventory available to cool the core, containment and spent fuel pool in the safety-related and seismically qualified Passive Containment Cooling Water Storage Tank (PCCWST). The seismically-qualified, ground-mounted Passive Containment Cooling Ancillary Water Storage Tank (PCCAWST) is also available for this function as appropriate. The primary effect of these actions would be to increase the coping time for the AP1000 during design basis events, as well as events such as those described above, from 72 hours without operator intervention to 7 days with minimal operator actions. These Operator actions necessary to protect the health and safety of the public are addressed in the Post-72 Hour procedures, as well as some EOPs, AOPs, ARPs and the Severe Accident Management Guidelines (SAMGs). Should the event continue to become more severe and plant conditions degrade further with indications of inadequate core cooling, the SAMGs provide guidance for strategies to address these hypothetical severe accident conditions. The AP1000 SAMG diagnoses and actions are prioritized to first utilize the AP1000 features that are expected to retain a damaged core inside the reactor vessel. Only one strategy is undertaken at any time. This strategy will be followed and its effectiveness evaluated before other strategies are undertaken. This is a key feature of both the symptom-oriented AP1000 EOPs and the AP1000 SAMGs which maximizes the probability of retaining a damaged core inside the reactor vessel and containment while minimizing the chances for confusion and human errors during implementation. The AP1000 SAMGs are simple and straight-forward and have been developed with considerable input from human factors and plant operations experts. Most importantly, and different from severe accident management strategies for other plants, the AP1000 SAMGs do not require diagnosis of the location of the core (i.e., whether reactor vessel failure has occurred). This is a fun
Bird, Lori; Davidson, Carolyn; McLaren, Joyce; Miller, John
2015-09-01
With rapid growth in energy efficiency and distributed generation, electric utilities are anticipating stagnant or decreasing electricity sales, particularly in the residential sector. Utilities are increasingly considering alternative rates structures that are designed to recover fixed costs from residential solar photovoltaic (PV) customers with low net electricity consumption. Proposed structures have included fixed charge increases, minimum bills, and increasingly, demand rates - for net metered customers and all customers. This study examines the electricity bill implications of various residential rate alternatives for multiple locations within the United States. For the locations analyzed, the results suggest that residential PV customers offset, on average, between 60% and 99% of their annual load. However, roughly 65% of a typical customer's electricity demand is non-coincidental with PV generation, so the typical PV customer is generally highly reliant on the grid for pooling services.
Wang, Ming; Escudero-Ibarz, Leire; Moody, Sarah; Zeng, Naiyan; Clipson, Alexandra; Huang, Yuanxue; Xue, Xuemin; Grigoropoulos, Nicholas F.; Barrans, Sharon; Worrillow, Lisa; Forshew, Tim; Su, Jing; Firth, Andrew; Martin, Howard; Jack, Andrew; Brugger, Kim; Du, Ming-Qing
2015-01-01
identified cancer genes, investigate their potential value in diagnosis, prognosis and treatment stratification, and translate the relevant research findings into clinical practice using routine formalin fixed paraffin embedded (FFPE) diagnostic tissue... Reagent in a final volume of 50µl. The Fluidigm 48.48 Access Array was loaded with the sample and primer mixtures via the appropriate inlets using an IFC controller. The array chip was then placed in the Fluidigm Thermal Cycler and PCR was performed...
Araujo, V.; Costa, A.; Labaki, L.
2006-01-01
. The summer period, from October to March is characterized by higher temperatures, lower relative humidity and relatively low wind speeds with southeast predominance, presenting small variations in the direction east - northeast. 2 METHODOLOGY...: METHODOLOGY TO STUDY AIR TEMPERATURE DISTRIBUTION: MOBILE PHONES BASE STATIONS AS VIABLE ALTERNATIVE FOR FIXED POINTS Angelina Dias Leão Costa (1); Lucila Labaki (2); Virgínia Araújo (3) (1) and (2) School of Civil Engineering, Architecture and Urban...
Infrared Fixed Point in the Strong Running Coupling: Unraveling the ?I=1/2 puzzle in K-Decays
R. J. Crewther; Lewis C. Tunstall
2013-06-19
In this talk, we present an explanation for the Delta I = 1/2 rule in K-decays based on the premise of an infrared fixed point alpha_IR in the running coupling alpha_s of quantum chromodynamics (QCD) for three light quarks u,d,s. At the fixed point, the quark condensate spontaneously breaks scale and chiral SU(3)_L x SU(3)_R symmetry. Consequently, the low-lying spectrum contains nine Nambu-Goldstone bosons: pi,K,eta and a QCD dilaton sigma. We identify sigma as the f_0(500) resonance and construct a chiral-scale perturbation theory CHPT_sigma for low-energy amplitudes expanded in alpha_s about alpha_IR. The Delta I = 1/2 rule emerges in the leading order of CHPT_sigma through a sigma-pole term K_S --> sigma --> 2 pi, with a K_S-sigma coupling fixed by data on 2 gamma --> 2 pi^0 and K_S --> 2 gamma. We also determine R_IR ~ 5 for the nonperturbative Drell-Yan ratio at alpha_IR.
Running Head: Hyperspecificity, Autism, and Neural Nets The Basis of Hyperspecificity in Autism
McClelland, James L. "Jay"
1 Running Head: Hyperspecificity, Autism, and Neural Nets The Basis of Hyperspecificity in Autism)-268-5060 (Fax) #12;Hyperspecificity, Autism, and Neural Nets 2 Abstract This article reviews a few key ideas to address one aspect of autism, namely the apparent hyperspecificity that is often seen in autistic children
AlpaydÃ½n, Ethem
Âbasis functions for the problems of classification of handwritten digits and speech phonemes. By taking two Classification Ethem Alpaydin, Fikret GÂ¨urgen Department of Computer Engineering, Boâ??gaziÂ¸ci University, TRÂ80815 networks. Four criteria are taken for comparison: Correct classification of the test set, network size
Broader source: Energy.gov [DOE]
A section of Appendix C to DOE G 226.1-2 "Federal Line Management Oversight of Department of Energy Nuclear Facilities." Consists of Criteria Review and Approach Documents (CRADs) used for an assessment of the Safety Basis portion of an Operational Readiness Review at the Los Alamos National Laboratory Waste Characterization, Reduction, and Repackaging Facility.
Olkkonen, Maria
Estimating text legibility of a mobile display on the basis of translational vibration caused by walking Maria Olkkonen Terhi Mustonen Abstract -- In this study, the effect of vibration on mobile km/hour, and an indi- vidually defined speed (3.9 km/hour on average). Vibration was measured
Physics basis for a spherical torus power plant S.C. Jardin a,
Najmabadi, Farrokh
Physics basis for a spherical torus power plant S.C. Jardin a, *, C.E. Kessel a , J. Menard a , T for a fusion power plant. A special class of wall-stabilized high-b high-bootstrap fraction low-aspect-ratio tokamak; Fusion power plant; Plasma operating regime 1. Introduction The most significant difference
CRAD, Safety Basis- Oak Ridge National Laboratory TRU ALPHA LLWT Project
Broader source: Energy.gov [DOE]
A section of Appendix C to DOE G 226.1-2 "Federal Line Management Oversight of Department of Energy Nuclear Facilities." Consists of Criteria Review and Approach Documents (CRADs) used for a November 2003 assessment of the Safety Basis portion of an Operational Readiness Review of the Oak Ridge National Laboratory TRU ALPHA LLWT Project.
NASA/TM-2009-215768 A Mathematical Basis for the Safety Analysis of
Butler, Ricky W.
June 2009 NASA/TM-2009-215768 A Mathematical Basis for the Safety Analysis of Conflict Prevention, Virginia Gilles Dowek Ecole Polytechnique, France #12;NASA STI Program . . . in Profile Since its founding, NASA has been dedicated to the advancement of aeronautics and space science. The NASA scientific
Energy, quiescence and the cellular basis of animal life spans Jeffrey A. Stuart , Melanie F. Brown
Stuart, Jeffrey A.
Review Energy, quiescence and the cellular basis of animal life spans Jeffrey A. Stuart , Melanie F insufficient energy is available to grow and reproduce. Many animals adapt to this challenge by entering in energy sensing that are sensitive to aspects of mitochondrial energy transduction and can be modulated
Oli, Madan K.
Regulation in Columbian Ground Squirrels F. Stephen Dobson1,* and Madan K. Oli2, 1. Department of Biological on dem- ographic variables, but demographic mechanisms of population regulation have received little attention. We investigated the demo- graphic basis of regulation of Columbian ground squirrel (Spermo
Thermal creep of a rarefied gas on the basis of non-linear Korteweg-theory
Kim, Yong Jung
Thermal creep of a rarefied gas on the basis of non-linear Korteweg-theory Yong-Jung Kim1, Mingi to the memory of James B. Serrin Abstract. The study of thermal transpiration or more commonly called thermal of ordinary differential equations. Key words. thermal creep, thermal transpiration, rarefied gas, Boltz- mann
A Software Framework for Reduced Basis Methods using DUNE-RB and RBMATLAB
Haasdonk, Bernard
A Software Framework for Reduced Basis Methods using DUNE-RB and RBMATLAB Martin Drohmann, Bernard for a large class of discretizations of evolution equations implemented in DUNE. The ap- proach provides software package RBMATLAB, respectively DUNE-RB. The functionality of the framework is exemplified
Investigating the Neural Basis of Brain-Computer Interface (BCI)-based Stroke Rehabilitation
Investigating the Neural Basis of Brain-Computer Interface (BCI)-based Stroke Rehabilitation Timm in stroke rehabilitation, but the underlying neural substrates and processes of successful BCI in stroke rehabilitation. This supports our hypothesis that VMIL and successful SMR modulation used
The Neural Basis of the Dynamic Unconscious Heather A. Berlin (New York)
Block, Ned
The Neural Basis of the Dynamic Unconscious Heather A. Berlin (New York) A great deal of complex cognitive processing occurs at the unconscious level and affects how humans behave, think, and feel. Sci and unconscious thought, and their dynamic interac- tion. For example, how do conscious impulses, thoughts
Software Engineering for the 21st A basis for rethinking the curriculum
Software Engineering for the 21st Century: A basis for rethinking the curriculum Mary Shaw (editor Science #12;Keywords: software engineering education, software engineering, education #12;Abstract curriculum in software engineering and related topics. This manifesto describes the Carnegie Mellon approach
Communication and Media Studies Communicating is something we all do on a daily basis. An
Miles, Will
Communication and Media Studies Communicating is something we all do on a daily basis. An understanding of human communication, and the ability to communicate well, is key to a successful career. Communication and media studies offers courses that help students learn how to be effective creators and critics
Develop the Basis for Plasma Material Interface (PMI) Solutions for FNSF
. Develop new materials and materials technology [simulation + testing labs] b. Materials exposure in linearDevelop the Basis for Plasma Material Interface (PMI) Solutions for FNSF FESAC Strategic Planning from the hot fusion core to material surfaces. Qualified plasma-facing components designed
Static Polarizabilities of hydrogen in B-splines Basis Mohammad I. Bhatti and Kevin D. Coleman
Perger, Warren F.
Static Polarizabilities of hydrogen in B-splines Basis Mohammad I. Bhatti and Kevin D. Coleman, Michigan Tech University (Dated: August 15, 2003) The static polarizability of the 1s, 2p, and 3d states the finite perturbation method. In addition, closure rules are obtained for the static polarizability
CRAD, Safety Basis- Oak Ridge National Laboratory High Flux Isotope Reactor Contractor ORR
Office of Energy Efficiency and Renewable Energy (EERE)
A section of Appendix C to DOE G 226.1-2 "Federal Line Management Oversight of Department of Energy Nuclear Facilities." Consists of Criteria Review and Approach Documents (CRADs) used for a February 2007 assessment of the Safety Basis portion of an Operational Readiness Review of the Oak Ridge National Laboratory High Flux Isotope Reactor.
CRAD, Safety Basis- Oak Ridge National Laboratory High Flux Isotope Reactor
Office of Energy Efficiency and Renewable Energy (EERE)
A section of Appendix C to DOE G 226.1-2 "Federal Line Management Oversight of Department of Energy Nuclear Facilities." Consists of Criteria Review and Approach Documents (CRADs) used for a February 2007 assessment of the Safety Basis in preparation for restart of the Oak Ridge National Laboratory High Flux Isotope Reactor.
The Cellular Basis for Lack of Antibody Response to Hepatitis B Vaccine In Humans
Alper, Chester A.
The Cellular Basis for Lack of Antibody Response to Hepatitis B Vaccine In Humans By E. Egea,"S A response to hepatitis B surface antigen (HBsAg) was bimodally distributed with about 14% of subjects), and streptococcal cell wall 'Abbreviations used in this paper HB, hepatitis B; HB&Ag, hepatitis B surface antigen
CRAD, Safety Basis- Y-12 Enriched Uranium Operations Oxide Conversion Facility
Broader source: Energy.gov [DOE]
A section of Appendix C to DOE G 226.1-2 "Federal Line Management Oversight of Department of Energy Nuclear Facilities." Consists of Criteria Review and Approach Documents (CRADs) used for a January 2005 assessment of the Safety Basis at the Y-12 - Enriched Uranium Operations Oxide Conversion Facility.
Thermoplastic Resin Sales by Major Market (millions of pounds, dry weight basis)
Laughlin, Robert B.
Thermoplastic Resin Sales by Major Market 2004-2008 (millions of pounds, dry weight basis) Major selected thermoplastic resins: Low-Density Polyethylene Polyvinyl Chloride Linear-Low-Density Polyethylene-Acrylonitrile Polystyrene Other Styrene-based Polymers Styrene Butadiene Latexes (SBL) Engineering Resins Thermoplastic
Conservation equations governing hillslope responses: Exploring the physical basis of water balance
Hassanizadeh, S. Majid
Conservation equations governing hillslope responses: Exploring the physical basis of water balance-term water balance of a single, hypothetical REW. The governing equations are formulated in terms the long-term water balance and show that the governing equations are able to provide a realistic picture
Establishing the scientific basis for fusion energy and understanding the plasma universe
promoting a sustainable FES future The US research effort has to effectively reap maximal S utu e y pEstablishing the scientific basis for fusion energy and understanding the plasma universe Update on the Fusion Update on the Fusion Energy Sciences ProgramEnergy Sciences Program Ed SynakowskiEd Synakowski
The cellular basis for parallel neural transmission of a high-frequency stimulus and its
Benda, Jan
The cellular basis for parallel neural transmission of a high-frequency stimulus and its low-frequency envelopes of high-frequency signals and also suggest that information about stimuli and their envelopes take EOD frequencies will generate a high-frequency envelope of their EOD that is referred
Pricing and Hedging Basis Risk under No Good Deal Laurence Carassus
Pricing and Hedging Basis Risk under No Good Deal Assumption Laurence Carassus LPMA, Universit No Good Deal (NGD) Assumption. First, we clarify the notion of NGD for dynamic strategies, compute a lower with Fioul Oil 1% an option on Fioul Oil Straight Run 0,5%. In all these cases, one considers a more liquid
Pricing and Hedging Basis Risk under No Good Deal Laurence Carassus
Pricing and Hedging Basis Risk under No Good Deal Assumption Laurence Carassus LPMA, Universit No Good Deal (NGD) Assumption. First, we clarify the notion of NGD for dynamic strategies, compute a lower with Fioul Oil 1% an option on Fioul Oil Straight Run 0,5%. In all these cases, one consider a more liquid
PHYSICAL REVIEW A 84, 022326 (2011) Chopped random-basis quantum optimization
Ulm, Universität
2011-01-01
the efficiency of this control technique in optimizing different quantum processes and we show August 2011) In this work, we describe in detail the chopped random basis (CRAB) optimal control that in the considered cases we obtain results equivalent to those obtained via different optimal control methods while
A Complexity Analysis of a Jacobi Method for Lattice Basis Reduction
Qiao, Sanzheng
A Complexity Analysis of a Jacobi Method for Lattice Basis Reduction Zhaofei Tian Department the Jacobi method introduced by S. Qiao [23], and show that it has the same complexity as the LLL algorithm. Our experimental results show that the Jacobi method outperforms the LLL algorithm in not only
Preliminary tank characterization report for single-shell tank 241-c-102: best-basis inventory
Lambert, S.L.
1997-08-26
An effort is underway to provide waste inventory estimates that will serve as standard characterization source terms for the various waste management activities. As part of this effort, an evaluation of available information for single-shell tank 241-C-102 was performed, and a best-basis inventory was established. This work follows the methodology that was established by the standard inventory task.
Sensitivity of the Properties of Ruthenium “Blue Dimer” to Method, Basis Set, and Continuum Model
Ozkanlar, Abdullah; Clark, Aurora E.
2012-05-23
The ruthenium “blue dimer” [(bpy)2RuIIIOH2]2O4+ is best known as the first well-defined molecular catalyst for water oxidation. It has been subject to numerous computational studies primarily employing density functional theory. However, those studies have been limited in the functionals, basis sets, and continuum models employed. The controversy in the calculated electronic structure and the reaction energetics of this catalyst highlights the necessity of benchmark calculations that explore the role of density functionals, basis sets, and continuum models upon the essential features of blue-dimer reactivity. In this paper, we report Kohn-Sham complete basis set (KS-CBS) limit extrapolations of the electronic structure of “blue dimer” using GGA (BPW91 and BP86), hybrid-GGA (B3LYP), and meta-GGA (M06-L) density functionals. The dependence of solvation free energy corrections on the different cavity types (UFF, UA0, UAHF, UAKS, Bondi, and Pauling) within polarizable and conductor-like polarizable continuum model has also been investigated. The most common basis sets of double-zeta quality are shown to yield results close to the KS-CBS limit; however, large variations are observed in the reaction energetics as a function of density functional and continuum cavity model employed.
15.1 Preliminaries: Wave Motion and Light 15.2 Experimental Basis of Energy Quantization
Ihee, Hyotcherl
#12;15.1 Preliminaries: Wave Motion and Light #12;#12;#12;15.2 Experimental Basis of Energy the radical concept of energy quantization to explain two of these results. #12;Blackbody Radiation Â· Every object emits energy through thermal radiation from its surface. Â· This energy is carried
Reducing the Plagiarism Detection Search Space on the Basis of the Kullback-Leibler Distance
Rosso, Paolo
Reducing the Plagiarism Detection Search Space on the Basis of the Kullback-Leibler Distance, jbenedi}@dsic.upv.es http://www.dsic.upv.es/grupos/nle/ Abstract. Automatic plagiarism detection the plagiarised fragments to their potential source. Publications on this task often assume that the search space
Frequency Prediction of Power Systems in FNET based on State Space Approach and Uncertain Basis
Li, Husheng
of oscillations [9]; when a significant disturbance occurs in a power system, the frequency will vary in time1 Frequency Prediction of Power Systems in FNET based on State Space Approach and Uncertain Basis and prediction of power frequency. Power frequency is one of the most essential parameters in the monitoring
Centrifuge Permeameter for Unsaturated Soils. I: Theoretical Basis and Experimental Developments
Zornberg, Jorge G.
Centrifuge Permeameter for Unsaturated Soils. I: Theoretical Basis and Experimental Developments Jorge G. Zornberg, M.ASCE1 ; and John S. McCartney, A.M.ASCE2 Abstract: A new centrifuge permeameter the centrifuge permeame- ter for concurrent determination of the soil-water retention curve SWRC and hydraulic
Harmonics in the dark-matter sky: directional detection in the Fourier-Bessel basis
Lee, Samuel K., E-mail: samuelkl@princeton.edu [Princeton Center for Theoretical Science, Princeton University, Jadwin Hall, Washington Road, Princeton, NJ, 08544 (United States)
2014-03-01
Details about the velocity distribution of weakly interacting massive particle (WIMP) dark matter in our galaxy may be revealed by nuclear-recoil detectors with directional sensitivity. Previous studies have assumed that the velocity distribution takes a simple functional form characterized by a small number of parameters. More recent work has shown that basis-function expansions may allow for more general parameterization; such an approach has been considered for both the one-dimensional speed and momentum distributions, and also for three-dimensional velocity distributions obeying certain equilibrium conditions. In this work, I extend this basis-function approach to allow for arbitrary velocity distributions by working in the Fourier-Bessel basis, deriving an analytic expression for the directional recoil spectrum. Such an approach is completely general, and may be useful if the velocity distribution is too complex to be characterized by simple functional forms or is not completely virialized. Results concerning the three-dimensional Radon transform of the Fourier-Bessel basis functions may be of general interest for tomographic applications.
To see the property of , we take a basis set of energy eigenstates
Shimizu, Akira
employ such a basis in practical calculations) #12;Energy per site u Increases exponentially density;Energy per site u : entropy density Energy distribution of Energy distribution of becomes #12;Energy per site u : entropy density We manipulate a superposition of unknown energy eigenstates by multiplying
Margin of Safety Definition and Examples Used in Safety Basis Documents and the USQ Process
Beaulieu, R. A.
2013-10-03
The Nuclear Safety Management final rule, 10 CFR 830, provides an undefined term, margin of safety (MOS). Safe harbors listed in 10 CFR 830, Table 2, such as DOE?STD?3009 use but do not define the term. This lack of definition has created the need for the definition. This paper provides a definition of MOS and documents examples of MOS as applied in a U.S. Department of Energy (DOE) approved safety basis for an existing nuclear facility. If we understand what MOS looks like regarding Technical Safety Requirements (TSR) parameters, then it helps us compare against other parameters that do not involve a MOS. This paper also documents parameters that are not MOS. These criteria could be used to determine if an MOS exists in safety basis documents. This paper helps DOE, including the National Nuclear Security Administration (NNSA) and its contractors responsible for the safety basis improve safety basis documents and the unreviewed safety question (USQ) process with respect to MOS.
Grid and basis adaptive polynomial chaos techniques for sensitivity and uncertainty analysis
Perkó, Zoltán Gilli, Luca Lathouwers, Danny Kloosterman, Jan Leen
2014-03-01
The demand for accurate and computationally affordable sensitivity and uncertainty techniques is constantly on the rise and has become especially pressing in the nuclear field with the shift to Best Estimate Plus Uncertainty methodologies in the licensing of nuclear installations. Besides traditional, already well developed methods – such as first order perturbation theory or Monte Carlo sampling – Polynomial Chaos Expansion (PCE) has been given a growing emphasis in recent years due to its simple application and good performance. This paper presents new developments of the research done at TU Delft on such Polynomial Chaos (PC) techniques. Our work is focused on the Non-Intrusive Spectral Projection (NISP) approach and adaptive methods for building the PCE of responses of interest. Recent efforts resulted in a new adaptive sparse grid algorithm designed for estimating the PC coefficients. The algorithm is based on Gerstner's procedure for calculating multi-dimensional integrals but proves to be computationally significantly cheaper, while at the same it retains a similar accuracy as the original method. More importantly the issue of basis adaptivity has been investigated and two techniques have been implemented for constructing the sparse PCE of quantities of interest. Not using the traditional full PC basis set leads to further reduction in computational time since the high order grids necessary for accurately estimating the near zero expansion coefficients of polynomial basis vectors not needed in the PCE can be excluded from the calculation. Moreover the sparse PC representation of the response is easier to handle when used for sensitivity analysis or uncertainty propagation due to the smaller number of basis vectors. The developed grid and basis adaptive methods have been implemented in Matlab as the Fully Adaptive Non-Intrusive Spectral Projection (FANISP) algorithm and were tested on four analytical problems. These show consistent good performance both in terms of the accuracy of the resulting PC representation of quantities and the computational costs associated with constructing the sparse PCE. Basis adaptivity also seems to make the employment of PC techniques possible for problems with a higher number of input parameters (15–20), alleviating a well known limitation of the traditional approach. The prospect of larger scale applicability and the simplicity of implementation makes such adaptive PC algorithms particularly appealing for the sensitivity and uncertainty analysis of complex systems and legacy codes.
Cummings, James; Withers, Charles; Kono, Jamie
2015-06-01
?A new generation of central, ducted variable-capacity heat pump systems has come on the market, promising very high cooling and heating efficiency. They are controlled differently than standard fixed-capacity systems. Instead of cycling on at full capacity and then cycling off when the thermostat is satisfied, they vary their cooling and heating output over a wide range (approximately 40% - 118% of nominal full capacity), thus staying 'on' for 60% - 100% more hours per day compared to fixed -capacity systems. Experiments in this research examined the performance of 2-ton and 3-ton fixed- and variable-capacity systems and the impacts of system oversizing.
Not Listed
2011-09-01
Department of Energy Order 435.1, 'Radioactive Waste Management,' along with its associated manual and guidance, requires development and maintenance of a radioactive waste management basis for each radioactive waste management facility, operation, and activity. This document presents a radioactive waste management basis for Idaho National Laboratory's Materials and Security Consolidation Center facilities that manage radioactive waste. The radioactive waste management basis for a facility comprises existing laboratory-wide and facility-specific documents. Department of Energy Manual 435.1-1, 'Radioactive Waste Management Manual,' facility compliance tables also are presented for the facilities. The tables serve as a tool for developing the radioactive waste management basis.
Lisa Harvego; Brion Bennett
2011-11-01
Department of Energy Order 435.1, 'Radioactive Waste Management,' along with its associated manual and guidance, requires development and maintenance of a radioactive waste management basis for each radioactive waste management facility, operation, and activity. This document presents a radioactive waste management basis for Idaho National Laboratory's Central Facilities Area facilities that manage radioactive waste. The radioactive waste management basis for a facility comprises existing laboratory-wide and facilityspecific documents. Department of Energy Manual 435.1-1, 'Radioactive Waste Management Manual,' facility compliance tables also are presented for the facilities. The tables serve as a tool for developing the radioactive waste management basis.
Lisa Harvego; Brion Bennett
2011-09-01
Department of Energy Order 435.1, 'Radioactive Waste Management,' along with its associated manual and guidance, requires development and maintenance of a radioactive waste management basis for each radioactive waste management facility, operation, and activity. This document presents a radioactive waste management basis for Idaho National Laboratory's Materials and Fuels Complex facilities that manage radioactive waste. The radioactive waste management basis for a facility comprises existing laboratory-wide and facility-specific documents. Department of Energy Manual 435.1-1, 'Radioactive Waste Management Manual,' facility compliance tables also are presented for the facilities. The tables serve as a tool for developing the radioactive waste management basis.
L. Harvego; Brion Bennett
2011-11-01
U.S. Department of Energy Order 435.1, 'Radioactive Waste Management,' along with its associated manual and guidance, requires development and maintenance of a radioactive waste management basis for each radioactive waste management facility, operation, and activity. This document presents a radioactive waste management basis for Idaho National Laboratory Research and Education Campus facilities that manage radioactive waste. The radioactive waste management basis for a facility comprises existing laboratory-wide and facility-specific documents. Department of Energy Manual 435.1-1, 'Radioactive Waste Management Manual,' facility compliance tables also are presented for the facilities. The tables serve as a tool to develop the radioactive waste management basis.
105-K Basin material design basis feed description for spent nuclear fuel project facilities
Praga, A.N.
1998-01-08
Revisions 0 and 0A of this document provided estimated chemical and radionuclide inventories of spent nuclear fuel and sludge currently stored within the Hanford Site`s 105-K Basins. This Revision (Rev. 1) incorporates the following changes into Revision 0A: (1) updates the tables to reflect: improved cross section data, a decision to use accountability data as the basis for total Pu, a corrected methodology for selection of the heat generation basis fee, and a revised decay date; (2) adds section 3.3.3.1 to expand the description of the approach used to calculate the inventory values and explain why that approach yields conservative results; (3) changes the pre-irradiation braze beryllium value.
Comparison of CRBR design-basis events with those of foreign LMFBR plants
Agrawal, A.K.
1983-04-01
As part of the Construction Permit (CP) review of the Clinch River Breeder Reactor Plant (CRBR), the Brookhaven National Laboratory was asked to compare the Design Basis Accidents that are considered in CRBR Preliminary Safety Analysis Report with those of the foreign contemporary plants (PHENIX, SUPER-PHENIX, SNR-300, PFR, and MONJU). A brief introductory review of any special or unusual characteristics of these plants is given. This is followed by discussions of the design basis accidents and their acceptance criteria. In spite of some discrepancies due either to semantics or to licensing decisions, there appears to be a considerable degree of unanimity in the selection (definition) of DBAs in all of these plants.
Houghton, W.J.
1980-06-01
A probabilistic risk assessment (PRA) approach is proposed to be used to scrutinize selection of accident sequences. A technique is described in this Licensing Topical Report to identify candidates for Design Basis Accidents (DBAs) utilizing the risk assessment results. As a part of this technique, it is proposed that events with frequencies below a specified limit would not be candidates. The use of the methodology described is supplementary to the traditional, deterministic approach and may result, in some cases, in the selection of multiple failure sequences as DBAs; it may also provide a basis for not considering some traditionally postulated events as being DBAs. A process is then described for selecting a list of DBAs based on the candidates from PRA as supplementary to knowledge and judgments from past licensing practice. These DBAs would be the events considered in Chapter 15 of Safety Analysis Reports of high-temperature gas-cooled reactors (HTGRs).
FY2001 Tank Characterization Technical Sampling Basis & Waste Information Requirements Document
ADAMS, M.R.
2000-08-02
The Fiscal Year 2001 Tank Characterization Technical Sampling Basis and Waste Information Requirements Document (TSB-WIRD) has the following purposes: (1) To identify and integrate sampling and analysis needs for fiscal year (FY) 2001 and beyond. (2) To describe the overall drivers that require characterization information and to document their source. (3) To describe the process for identifying, prioritizing, and weighting issues that require characterization information to resolve. (4) To define the method for determining sampling priorities and to present the sampling priorities on a tank-by-tank basis. (5) To define how the characterization program is going to satisfy the drivers, close issues, and report progress. (6)To describe deliverables and acceptance criteria for characterization deliverables.
Physics Basis for the ARIES-ST Power Plant S.C. Jardin,
California at San Diego, University of
Physics Basis for the ARIES-ST Power Plant T.K. Mau, a S.C. Jardin, b C.E. Kessel, b J.E. Menard, b -- ARIES-ST, a fusion power plant design based on the spherical tokamak concept, has many attractive] as a potential power plant and volumetric neutron source. At the beginning of 1999, the ARIES Group has completed
Molecular Basis for the High Affinity Binding and Stabilization of Firefly Luciferase by PTC124
Auld, Douglas S.; Lovell, Scott; Thorne, Natasha; Lea, Wendy A.; Maloney, David J.; Shen, Min; Rai, Ganesha; Battaile, Kevin P.; Thomas, Craig J.; Simeonov, Anton; Hanzlik, Robert P.; Inglese, James
2010-03-16
Douglas S. Auld, Scott Lovell, Natasha Thorne, Wendy A. Lea, David J. Maloney, Min Shen, Ganesha Rai, Kevin Battaile, Craig J. Thomas, Anton Simeonov, Robert P. Hanzlik, and James Inglese, "Molecular Basis for the High Affinity Binding... contains the author’s accepted manuscript. For the publisher’s version, see the link in the header of this document.] Paper citation: Douglas S. Auld, Scott Lovell, Natasha Thorne, Wendy A. Lea, David J. Maloney, Min Shen, Ganesha Rai, Kevin...
Broader source: Energy.gov [DOE]
Slide Presentation by Rich Davies, Kami Lowry, Mike Schlender, Pacific Northwest National Laboratory (PNNL) and Ted Pietrok, Pacific Northwest Site Office (PNSO). Integrated Safety Management System as the Basis for Work Planning and Control for Research and Development. Work Planning and Control (WP&C) is essential to assuring the safety of workers and the public regardless of the scope of work Research and Development (R&D) activities are no exception.
Fukushima, Kimichika
2015-01-01
This paper presents analytical eigenenergies for a pair of confined fundamental fermion and antifermion under a linear potential derived from the Wilson loop for the non-Abelian Yang-Mills field. We use basis functions localized in spacetime, and the Hamiltonian matrix of the Dirac equation is analytically diagonalized. The squared system eigenenergies are proportional to the string tension and the absolute value of the Dirac's relativistic quantum number related to the total angular momentum, consistent with the expectation.
Technical Basis for U. S. Department of Energy Nuclear Safety Policy, DOE Policy 420.1
Broader source: Energy.gov [DOE]
This document provides the technical basis for the Department of Energy (DOE) Policy (P) 420.1, Nuclear Safety Policy, dated 2-8-2011. It includes an analysis of the revised Policy to determine whether it provides the necessary and sufficient high-level expectations that will lead DOE to establish and implement appropriate requirements to assure protection of the public, workers, and the environment from the hazards of DOE’s operation of nuclear facilities.
Roldao da Rocha; Waldyr A. Rodrigues Jr
2014-12-12
In a previous paper we investigate a Lagrangian field theory for the gravitational field (which is there represented by a section g^a of the orthonormal coframe bundle over Minkowski spacetime. Such theory, under appropriate conditions, has been proved to be equivalent to a Lorentzian spacetime structure, where the metric tensor satisfies Einstein field equations. Here, we first recall that according to quantum field theory ideas gravitation is described by a Lagrangian theory of a possible massive graviton field (generated by matter fields and coupling also to itself) living in Minkowski spacetime. The graviton field is moreover supposed to be represented by a symmetric tensor field h carrying the representations of spin two and zero of the Lorentz group. Such a field, then (as it is well known), must necessarily satisfy the gauge condition given by Eq.(3) below. Next, we introduce an ansatz relating h to the 1-form fields g^a. Then, using the Clifford bundle formalism we derive, from our Lagrangian theory, the exact wave equation for the graviton and investigate the role of the gauge condition given by Eq.(3) in obtaining a reliable conservation law for the energy-momentum tensor of the gravitational plus the matter fields in Minkowski spacetime. Finally we ask the question: does Eq.(3) fix any gauge condition for the field g of the effective Lorentzian spacetime structure that represents the field h in our theory? We show that no gauge condition is fixed a priory, as is the case in General Relativity. Moreover we investigate under which conditions we may fix Logunov gauge condition.
Auxiliary-field quantum Monte Carlo calculations of molecular systems with a Gaussian basis
Al-Saidi, W.A.; Zhang Shiwei; Krakauer, Henry [Department of Physics, College of William and Mary, Williamsburg, Virginia 23187-8795 (United States)
2006-06-14
We extend the recently introduced phaseless auxiliary-field quantum Monte Carlo (QMC) approach to any single-particle basis and apply it to molecular systems with Gaussian basis sets. QMC methods in general scale favorably with the system size as a low power. A QMC approach with auxiliary fields, in principle, allows an exact solution of the Schroedinger equation in the chosen basis. However, the well-known sign/phase problem causes the statistical noise to increase exponentially. The phaseless method controls this problem by constraining the paths in the auxiliary-field path integrals with an approximate phase condition that depends on a trial wave function. In the present calculations, the trial wave function is a single Slater determinant from a Hartree-Fock calculation. The calculated all-electron total energies show typical systematic errors of no more than a few millihartrees compared to exact results. At equilibrium geometries in the molecules we studied, this accuracy is roughly comparable to that of coupled cluster with single and double excitations and with noniterative triples [CCSD(T)]. For stretched bonds in H{sub 2}O, our method exhibits a better overall accuracy and a more uniform behavior than CCSD(T)
Landscape Engineering: removing local traps in the chopped random basis optimization
Niklas Rach; Matthias M. Müller; Tommaso Calarco; Simone Montangero
2015-06-15
In quantum optimal control theory the success of an optimization algorithm is highly influenced by how the figure of merit to be optimized behaves as a function of the control field, i.e. by the control landscape. Constraints on the control field introduce local minima in the landscape --traps-- which might prevent an efficient solution of the optimal control problem. The Chopped Random Basis (CRAB) optimal control algorithm is constructed to improve the optimization efficiency by introducing an expansion of the control field onto a truncated basis, that is, it works with a limited control field bandwidth. We study the influence of traps on the success probability of CRAB and extend the original algorithm to engineer the landscape in order to eliminate the traps; we demonstrate that this development exploits the advantages of both (unconstrained) gradient algorithms and of truncated basis methods. Finally, we characterize the behavior of the extended CRAB under additional constraints and show that for reasonable constraints the convergence properties are still maintained.
Braverman, J.I.; Morante, R.
2010-07-18
ABSTRACT Demonstrating the structural integrity of U.S. nuclear power plant (NPP) containment structures, for beyond design-basis internal pressure loadings, is necessary to satisfy Nuclear Regulatory Commission (NRC) requirements and performance goals. This paper discusses methods for demonstrating the structural adequacy of the containment for beyond design-basis pressure loadings. Three distinct evaluations are addressed: (1) estimating the ultimate pressure capacity of the containment structure (10 CFR 50 and US NRC Standard Review Plan, Section 3.8) ; (2) demonstrating the structural adequacy of the containment subjected to pressure loadings associated with combustible gas generation (10 CFR 52 and 10 CFR 50); and (3) demonstrating the containment structural integrity for severe accidents (10 CFR 52 as well as SECY 90-016, SECY 93-087, and related NRC staff requirements memoranda (SRMs)). The paper describes the technical basis for specific aspects of the methods presented. It also presents examples of past issues identified in licensing activities related to these evaluations.
Safety basis for the 241-AN-107 mixer pump installation and caustic addition
Van Vleet, R.J.
1994-10-05
This safety Basis was prepared to determine whether or not the proposed activities of installing a 76 HP jet mixer pump and the addition of approximately 50,000 gallons of 19 M (50:50 wt %) aqueous caustic are within the safety envelope as described by Tank Farms (chapter six of WHC-SD-WM-ISB-001, Rev. 0). The safety basis covers the components, structures and systems for the caustic addition and mixer pump installation. These include: installation of the mixer pump and monitoring equipment; operation of the mixer pump, process monitoring equipment and caustic addition; the pump stand, caustic addition skid, the electrical skid, the video camera system and the two densitometers. Also covered is the removal and decontamination of the mixer pump and process monitoring system. Authority for this safety basis is WHC-IP-0842 (Waste Tank Administration). Section 15.9, Rev. 2 (Unreviewed Safety Questions) of WHC-IP-0842 requires that an evaluation be performed for all physical modifications.
Buitrago, Paula A; Morrill, Mike; Lighty, JoAnn S; Silcox, Geoffrey D
2014-08-20
This report presents experimental and modeling mercury oxidation and adsorption data. Fixed-bed and single-particle models of mercury adsorption were developed. The experimental data were obtained with two reactors: a 300-W, methane-fired, tubular, quartz-lined reactor for studying homogeneous oxidation reactions and a fixed-bed reactor, also of quartz, for studying heterogeneous reactions. The latter was attached to the exit of the former to provide realistic combustion gases. The fixed-bed reactor contained one gram of coconut-shell carbon and remained at a temperature of 150oC. All methane, air, SO2, and halogen species were introduced through the burner to produce a radical pool representative of real combustion systems. A Tekran 2537A Analyzer coupled with a wet conditioning system provided speciated mercury concentrations. At 150?C and in the absence of HCl or HBr, the mercury uptake was about 20%. The addition of 50 ppm HCl caused complete capture of all elemental and oxidized mercury species. In the absence of halogens, SO2 increased the mercury adsorption efficiency to up to 30 percent. The extent of adsorption decreased with increasing SO2 concentration when halogens were present. Increasing the HCl concentration to 100 ppm lessened the effect of SO2. The fixed-bed model incorporates Langmuir adsorption kinetics and was developed to predict adsorption of elemental mercury and the effect of multiple flue gas components. This model neglects intraparticle diffusional resistances and is only applicable to pulverized carbon sorbents. It roughly describes experimental data from the literature. The current version includes the ability to account for competitive adsorption between mercury, SO2, and NO2. The single particle model simulates in-flight sorbent capture of elemental mercury. This model was developed to include Langmuir and Freundlich isotherms, rate equations, sorbent feed rate, and intraparticle diffusion. The Freundlich isotherm more accurately described in-flight mercury capture. Using these parameters, very little intraparticle diffusion was evident. Consistent with other data, smaller particles resulted in higher mercury uptake due to available surface area. Therefore, it is important to capture the particle size distribution in the model. At typical full-scale sorbent feed rates, the calculations underpredicted adsorption, suggesting that wall effects can account for as much as 50 percent of the removal, making it an important factor in entrained-mercury adsorption models.
Constantinos Kalapotharakos; Christos Efthymiopoulos; Nikos Voglis
2007-09-06
We address the question of an appropriate choice of basis functions for the self-consistent field (SCF) method of simulation of the N-body problem. Our criterion is based on a comparison of the orbits found in N-body realizations of analytical potential-density models of triaxial galaxies, in which the potential is fitted by the SCF method using a variety of basis sets, with those of the original models. Our tests refer to maximally triaxial Dehnen gamma-models for values of $\\gamma$ in the range 0<=gamma<=1. When an N-body realization of a model is fitted by the SCF method, the choice of radial basis functions affects significantly the way the potential, forces, or derivatives of the forces are reproduced, especially in the central regions of the system. We find that this results in serious discrepancies in the relative amounts of chaotic versus regular orbits, or in the distributions of the Lyapunov characteristic exponents, as found by different basis sets. Numerical tests include the Clutton-Brock and the Hernquist-Ostriker (HO) basis sets, as well as a family of numerical basis sets which are `close' to the HO basis set. The family of numerical basis sets is parametrized in terms of a quantity $\\epsilon$ which appears in the kernel functions of the Sturm-Liouville (SL) equation defining each basis set. The HO basis set is the $\\epsilon=0$ member of the family. We demonstrate that grid solutions of the SL equation yielding numerical basis sets introduce large errors in the variational equations of motion. We propose a quantum-mechanical method of solution of the SL equation which overcomes these errors. We finally give criteria for a choice of optimal value of $\\epsilon$ and calculate the latter as a function of the value of gamma.
Mortaza Abtahi
2014-10-20
We introduce the concept of fuzzy Ciric-Matkowski contractive mappings as a generalization of fuzzy Meir-Keeler type contractions. We also introduce a class $\\Psi_1$ of gauge functions $\\psi:(0,1]\\to(0,1]$ in the sense that, for any $r\\in(0,1)$, there exists $\\rho\\in(r,1)$ such that $1-r> \\tau >1-\\rho$ implies $\\psi(\\tau)\\geq 1-r$. We show that fuzzy $\\psi$-contractive mappings ($\\psi\\in\\Psi_1$) are fuzzy Ciric-Matkowski contractive mappings. Then, we present a characterization of $M$-Cauchy sequences in fuzzy metric spaces. This characterization is used to establish new fuzzy fixed point theorems. Our results include those of Mihet (Fuzzy $\\psi$-contractive mappings in non-Archimedean fuzzy metric spaces, Fuzzy Sets Syst. 159(2008) 739--744.), Wardowski (Fuzzy contractive mappings and fixed points in fuzzy metric spaces, Fuzzy Sets Syst. 222(2013) 108--114) and others. Examples are given to support the results.
Spin physics and TMD studies at A Fixed-Target ExpeRiment at the LHC (AFTER@LHC)
Lansberg, J P; Arnaldi, R; Brodsky, S J; Chambert, V; Dunnen, W den; Didelez, J P; Genolini, B; Ferreiro, E G; Fleuret, F; Gao, Y; Hadjidakis, C; Hrvinacova, I; Lorce, C; Massacrier, L; Mikkelsen, R; Pisano, C; Rakotozafindrabe, A; Rosier, P; Schienbein, I; Schlegel, M; Scomparin, E; Trzeciak, B; Uggerhoj, U I; Ulrich, R; Yang, Z
2014-01-01
We report on the opportunities for spin physics and Transverse-Momentum Dependent distribution (TMD) studies at a future multi-purpose fixed-target experiment using the proton or lead ion LHC beams extracted by a bent crystal. The LHC multi-TeV beams allow for the most energetic fixed-target experiments ever performed, opening new domains of particle and nuclear physics and complementing that of collider physics, in particular that of RHIC and the EIC projects. The luminosity achievable with AFTER@LHC using typical targets would surpass that of RHIC by more that 3 orders of magnitude in a similar energy region. In unpolarised proton-proton collisions, AFTER@LHC allows for measurements of TMDs such as the Boer-Mulders quark distributions, the distribution of unpolarised and linearly polarised gluons in unpolarised protons. Using the polarisation of hydrogen and nuclear targets, one can measure transverse single-spin asymmetries of quark and gluon sensitive probes, such as, respectively, Drell-Yan pair and quar...
Truhlar, Donald G
What are the most efficient basis set strategies for correlated wave function calculations of reaction energies and barrier heights? Ewa Papajak and Donald G. Truhlar Citation: J. Chem. Phys. 137 OF CHEMICAL PHYSICS 137, 064110 (2012) What are the most efficient basis set strategies for correlated wave
Baker, David
A Refined Model of the Prototypical Salmonella SPI-1 T3SS Basal Body Reveals the Molecular Basis report the crystal structures of three domains of the prototypical Salmonella SPI-1 basal body, and use) A Refined Model of the Prototypical Salmonella SPI-1 T3SS Basal Body Reveals the Molecular Basis for Its
Homework on the instability of a cloud layer due to entrainment of its basis or its top
Legras, Bernard
Homework on the instability of a cloud layer due to entrainment of its basis or its top Bernard. A parcel of clear air is entrained across the cloud basis and is mixed with the cloudy air located above. 2. A parcel of cloudy air is entrained across the cloud top and is mixed with clear air located above. 3
Just in Time DSA-The Hanford Nuclear Safety Basis Strategy
Olinger, S. J.; Buhl, A. R.
2002-02-26
The U.S. Department of Energy, Richland Operations Office (RL) is responsible for 30 hazard category 2 and 3 nuclear facilities that are operated by its prime contractors, Fluor Hanford Incorporated (FHI), Bechtel Hanford, Incorporated (BHI) and Pacific Northwest National Laboratory (PNNL). The publication of Title 10, Code of Federal Regulations, Part 830, Subpart B, Safety Basis Requirements (the Rule) in January 2001 imposed the requirement that the Documented Safety Analyses (DSA) for these facilities be reviewed against the requirements of the Rule. Those DSA that do not meet the requirements must either be upgraded to satisfy the Rule, or an exemption must be obtained. RL and its prime contractors have developed a Nuclear Safety Strategy that provides a comprehensive approach for supporting RL's efforts to meet its long term objectives for hazard category 2 and 3 facilities while also meeting the requirements of the Rule. This approach will result in a reduction of the total number of safety basis documents that must be developed and maintained to support the remaining mission and closure of the Hanford Site and ensure that the documentation that must be developed will support: compliance with the Rule; a ''Just-In-Time'' approach to development of Rule-compliant safety bases supported by temporary exemptions; and consolidation of safety basis documents that support multiple facilities with a common mission (e.g. decontamination, decommissioning and demolition [DD&D], waste management, surveillance and maintenance). This strategy provides a clear path to transition the safety bases for the various Hanford facilities from support of operation and stabilization missions through DD&D to accelerate closure. This ''Just-In-Time'' Strategy can also be tailored for other DOE Sites, creating the potential for large cost savings and schedule reductions throughout the DOE complex.
Basis and implications of the CAP88 age-specific dose coefficients
Leggett, Richard Wayne [ORNL; Scofield, Patricia A [ORNL; Eckerman, Keith F [ORNL
2013-01-01
Recent versions of CAP88 incorporate age-specific dose coefficients based on biokinetic and dosimetric models applied in Federal Guidance Report 13, Cancer Risk Coefficients for Environmental Exposure to Radionuclides (EPA 1999). With a few exceptions the models are those recommended in a series of reports by the International Commission on Radiological Protection (ICRP) on estimation of doses to the public from environmental radionuclides. This paper describes the basis for the ICRP s age-specific biokinetic and dosimetric models and examines differences with age in the derived dose coefficients and in estimates of dose per unit exposure based on those coefficients.
Technical basis for classification of low-activity waste fraction from Hanford site tanks
Petersen, C.A.
1996-09-20
The overall objective of this report is to provide a technical basis to support a U.S. Nuclear Regulatory Commission determination to classify the low-activity waste from the Hanford Site single-shell and double-shell tanks as `incidental` wastes after removal of additional radionuclides and immobilization.The proposed processing method, in addition to the previous radionuclide removal efforts, will remove the largest practical amount of total site radioactivity, attributable to high-level waste, for disposal is a deep geologic repository. The remainder of the waste would be considered `incidental` waste and could be disposed onsite.
Structural Basis of Transcription: Role of the Trigger Loop in Substrate
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power AdministrationRobust,Field-effect Photovoltaics -7541C.3X-rays3Energy U.S.Structural Basis
Review and Approval of Nuclear Facility Safety Basis and Safety Design
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration wouldMassR&D100Nationalquestionnaires 0serial codesReversing theReview DatesBasis
LEONARD, M.W.
2000-03-14
The Double-Shell Tank (DST) System is required to transition from its current storage mission to a storage and retrieval mission supporting the River Protection Project Phase 1 privatization, defined in HNF-SD-WM-MAR-008, Tank Waste Remediation System Mission Analysis Report. Requirements for the DST subsystems are being developed using the top-down systems engineering process outlined in HNF-SD-WM-SEMP-002, Tank Waste Remediation System Systems Engineering Management Plan. This top-down process considers existing designs to the extent that these designs impose unavoidable constraints on the Phase 1 mission. Existing engineering-basis documents were screened, and the unavoidable constraints were identified. The constraints identified herein will be added to the DST System specification (HNF-SD-WM-TRD-007, System Specification for the Double-Shell Tank System). While the letter revisions of the DST System specification were constructed with a less rigorous review of the existing engineering-basis documents, the Revision 0 release of the specification must incorporate the results of the review documented herein. The purpose of this document is to describe the screening process and criteria used to determine which constraints are unavoidable and to document the screening results.
Not Available
1992-12-01
Before disposing of transuranic radioactive waste in the Waste Isolation Pilot Plant (WIPP), the United States Department of Energy (DOE) must evaluate compliance with applicable long-term regulations of the United States Environmental Protection Agency (EPA). Sandia National Laboratories is conducting iterative performance assessments (PAs) of the WIPP for the DOE to provide interim guidance while preparing for a final compliance evaluation. This volume, Volume 2, contains the technical basis for the 1992 PA. Specifically, it describes the conceptual basis for consequence modeling and the PA methodology, including the selection of scenarios for analysis, the determination of scenario probabilities, and the estimation of scenario consequences using a Monte Carlo technique and a linked system of computational models. Additional information about the 1992 PA is provided in other volumes. Volume I contains an overview of WIPP PA and results of a preliminary comparison with the long-term requirements of the EPA`s Environmental Protection Standards for Management and Disposal of Spent Nuclear Fuel, High-Level and Transuranic Radioactive Wastes (40 CFR 191, Subpart B). Volume 3 contains the reference data base and values for input parameters used in consequence and probability modeling. Volume 4 contains uncertainty and sensitivity analyses related to the preliminary comparison with 40 CFR 191B. Volume 5 contains uncertainty and sensitivity analyses of gas and brine migration for undisturbed performance. Finally, guidance derived from the entire 1992 PA is presented in Volume 6.
Current plans to characterize the design basis ground motion at the Yucca Mountain, Nevada Site
Simecka, W.B.; Grant, T.A.; Voegele, M.D.; Cline, K.M.
1992-12-31
A site at Yucca Mountain Nevada is currently being studied to assess its suitability as a potential host site for the nation`s first commercial high level waste repository. The DOE has proposed a new methodology for determining design-basis ground motions that uses both deterministic and probabilistic methods. The role of the deterministic approach is primary. It provides the level of detail needed by design engineers in the characterization of ground motions. The probabilistic approach provides a logical structured procedure for integrating the range of possible earthquakes that contribute to the ground motion hazard at the site. In addition, probabilistic methods will be used as needed to provide input for the assessment of long-term repository performance. This paper discusses the local tectonic environment, potential seismic sources and their associated displacements and ground motions. It also discusses the approach to assessing the design basis earthquake for the surface and underground facilities, as well as selected examples of the use of this type of information in design activities.
BOGER, R.M.
2000-10-30
This engineering task plan identifies the resources, responsibilities, and schedules for the development and deployment of a mobile, variable depth sampling system and an at-tank analysis system. The mobile, variable depth sampling system concept was developed after a cost assessment indicated a high cost for multiple deployments of the nested, fixed-depth sampling system. The sampling will provide double-shell tank (DST) staging tank waste samples for assuring the readiness of the waste for shipment to the LAW/HLW plant for treatment and immobilization. The at-tank analysis system will provide ''real-time'' assessments of the samples' chemical and physical properties. These systems support the Hanford Phase 1B vitrification project.
Air stable n-doping of WSe{sub 2} by silicon nitride thin films with tunable fixed charge density
Chen, Kevin; Kiriya, Daisuke; Hettick, Mark; Tosun, Mahmut; Ha, Tae-Jun; Madhvapathy, Surabhi Rao; Desai, Sujay; Sachid, Angada; Javey, Ali
2014-09-01
Stable n-doping of WSe{sub 2} using thin films of SiN{sub x} deposited on the surface via plasma-enhanced chemical vapor deposition is presented. Positive fixed charge centers inside SiN{sub x} act to dope WSe{sub 2} thin flakes n-type via field-induced effect. The electron concentration in WSe{sub 2} can be well controlled up to the degenerate limit by simply adjusting the stoichiometry of the SiN{sub x} through deposition process parameters. For the high doping limit, the Schottky barrier width at the metal/WSe{sub 2} junction is significantly thinned, allowing for efficient electron injection via tunneling. Using this doping scheme, we demonstrate air-stable WSe{sub 2} n-MOSFETs with a mobility of ?70 cm{sup 2}/V?s.
SU-E-J-261: Statistical Analysis and Chaotic Dynamics of Respiratory Signal of Patients in BodyFix
Michalski, D; Huq, M; Bednarz, G; Lalonde, R; Yang, Y; Heron, D [University of Pittsburgh Medical Center, Pittsburgh, PA (United States)
2014-06-01
Purpose: To quantify respiratory signal of patients in BodyFix undergoing 4DCT scan with and without immobilization cover. Methods: 20 pairs of respiratory tracks recorded with RPM system during 4DCT scan were analyzed. Descriptive statistic was applied to selected parameters of exhale-inhale decomposition. Standardized signals were used with the delay method to build orbits in embedded space. Nonlinear behavior was tested with surrogate data. Sample entropy SE, Lempel-Ziv complexity LZC and the largest Lyapunov exponents LLE were compared. Results: Statistical tests show difference between scans for inspiration time and its variability, which is bigger for scans without cover. The same is for variability of the end of exhalation and inhalation. Other parameters fail to show the difference. For both scans respiratory signals show determinism and nonlinear stationarity. Statistical test on surrogate data reveals their nonlinearity. LLEs show signals chaotic nature and its correlation with breathing period and its embedding delay time. SE, LZC and LLE measure respiratory signal complexity. Nonlinear characteristics do not differ between scans. Conclusion: Contrary to expectation cover applied to patients in BodyFix appears to have limited effect on signal parameters. Analysis based on trajectories of delay vectors shows respiratory system nonlinear character and its sensitive dependence on initial conditions. Reproducibility of respiratory signal can be evaluated with measures of signal complexity and its predictability window. Longer respiratory period is conducive for signal reproducibility as shown by these gauges. Statistical independence of the exhale and inhale times is also supported by the magnitude of LLE. The nonlinear parameters seem more appropriate to gauge respiratory signal complexity since its deterministic chaotic nature. It contrasts with measures based on harmonic analysis that are blind for nonlinear features. Dynamics of breathing, so crucial for 4D-based clinical technologies, can be better controlled if nonlinear-based methodology, which reflects respiration characteristic, is applied. Funding provided by Varian Medical Systems via Investigator Initiated Research Project.
Broader source: Energy.gov [DOE]
"This self-study guide provides an overview of safety basis terminology, requirements, and activities that are applicable to DOE and Oak Ridge Operations Office (ORO) nuclear facilities on the Oak...
Strategic Basis for License Application Planning for a Potential Yucca Mountain Repository
Newberry, C. M.; Brocoum, S. J.; Gamble, R. P.; Murray, R. C.; Cline, M.
2002-02-26
If Yucca Mountain, Nevada is designated as the site for development of a geologic repository for disposal of spent nuclear fuel and high-level radioactive waste, the Department of Energy (DOE) must obtain Nuclear Regulatory Commission (NRC) approval first for repository construction, then for an operating license, and, eventually, for repository closure and decommissioning. The licensing criteria defined in Code of Federal Regulations, Title 10, Part 63 (10 CFR Part 63) establish the basis for these NRC decisions. Submittal of a license application (LA) to the NRC for authorization to construct a repository at the Yucca Mountain site is, at this point, only a potential future action by the DOE. The policy process defined in the Nuclear Waste Policy Act (NWPA), as amended, for recommendation and designation of Yucca Mountain as a repository site makes it difficult to predict whether or when the site might be designated. The DOE may only submit a LA to the NRC if the site designation takes effect. In spite of this uncertainty, the DOE must take prudent and appropriate action now, and over the next several years, to prepare for development and timely submittal of a LA. This is particularly true given the need for the DOE to develop, load, and certify the operation of its electronic information system to provide access to its relevant records as part of the licensing support network (LSN) in compliance with NRC requirements six months prior to LA submittal. The DOE must also develop a LA, which is a substantially different document from those developed to support a Site Recommendation (SR) decision. The LA must satisfy NRC licensing criteria and content requirements, and address the acceptance criteria defined by the NRC in its forthcoming Yucca Mountain Review Plan (YMRP). The content of the LA must be adequate to facilitate NRC acceptance and docketing for review, and the LA and its supporting documents must provide the documented basis for the NR C findings required for a construction authorization. The LA must also support a licensing proceeding before an Atomic Safety and Licensing Board panel prior to NRC action on any decision to authorize construction. The DOE has established a strategic basis for planning that is intended to provide the framework for development of an integrated plan for activities leading to preparation and submittal of a LA.
Lisa Harvego; Brion Bennett
2011-11-01
U.S. Department of Energy Order 435.1, 'Radioactive Waste Management,' along with its associated manual and guidance, requires development and maintenance of a radioactive waste management basis for each radioactive waste management facility, operation, and activity. This document presents a radioactive waste management basis for Idaho National Laboratory's Advanced Test Reactor Complex facilities that manage radioactive waste. The radioactive waste management basis for a facility comprises existing laboratory-wide and facility-specific documents. U.S. Department of Energy Manual 435.1-1, 'Radioactive Waste Management Manual,' facility compliance tables also are presented for the facilities. The tables serve as a tool to develop the radioactive waste management basis.
Hooper, Scott
Invertebrate muscles: Thin and thick filament structure; molecular basis of contraction and its . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 2.1. Vertebrate thin and thick filament structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 2.2. Cross-bridge driven filament sliding underlies force production
1982-01-01
Report XI, Technical Audit, is a compendium of research material used during the Initial Effort in making engineering comparisons and decisions. Volumes 4 and 5 of Report XI present those studies which provide a Critical Review of the Design Basis. The Critical Review Report, prepared by Intercontinental Econergy Associates, Inc., summarizes findings from an extensive review of the data base for the H-Coal process design. Volume 4 presents this review and assessment, and includes supporting material; specifically, Design Data Tabulation (Appendix A), Process Flow Sheets (Appendix B), and References (Appendix C). Volume 5 is a continuation of the references of Appendix C. Studies of a proprietary nature are noted and referenced, but are not included in these volumes. They are included in the Limited Access versions of these reports and may be reviewed by properly cleared personnel in the offices of Ashland Synthetic Fuels, Inc.
Criteria for calculating the efficiency of HEPA filters during and after design basis accidents
Bergman, W.; First, M.W.; Anderson, W.L.; Gilbert, H.; Jacox, J.W.
1994-12-01
We have reviewed the literature on the performance of high efficiency particulate air (HEPA) filters under normal and abnormal conditions to establish criteria for calculating the efficiency of HEPA filters in a DOE nonreactor nuclear facility during and after a Design Basis Accident (DBA). The literature review included the performance of new filters and parameters that may cause deterioration in the filter performance such as filter age, radiation, corrosive chemicals, seismic and rough handling, high temperature, moisture, particle clogging, high air flow and pressure pulses. The deterioration of the filter efficiency depends on the exposure parameters; in severe exposure conditions the filter will be structurally damaged and have a residual efficiency of 0%. Despite the many studies on HEPA filter performance under adverse conditions, there are large gaps and limitations in the data that introduce significant error in the estimates of HEPA filter efficiencies under DBA conditions. Because of this limitation, conservative values of filter efficiency were chosen when there was insufficient data.
B-splines as a basis for the Rayleigh-Ritz-Galerkin procedure
Snodgrass, Jerry Grant
1975-01-01
, but this is not possible since B (x) is a basis i=1 w f for S. Thus n A a & 0 implies that A is positive definite and therefore A n = 0 has a unique solution a . By elementary calculus B F 2a(B. , B. ) = 2A; therefore since A is positive definite, Ba Sn. i' j i j 8 F... of knots to be inserted NG ? the degree of the Gauss-Lengendre quadrature formulas (NG & 6) T ? a vector of N+K elements containing the original placement of the knots with K stacked at 0 and 1 X ? a vector of NX elements containing the values at which...
Structural basis of CX-4945 binding to human protein kinase CK2
Ferguson, Andrew D.; Sheth, Payal R.; Basso, Andrea D.; Paliwal, Sunil; Gray, Kimberly; Fischmann, Thierry O.; Le, Hung V. (Merck)
2012-02-07
Protein kinase CK2 (CK2), a constitutively active serine/threonine kinase, is involved in a variety of roles essential to the maintenance of cellular homeostasis. Elevated levels of CK2 expression results in the dysregulation of key signaling pathways that regulate transcription, and has been implicated in cancer. The adenosine-5'-triphosphate-competitive inhibitor CX-4945 has been reported to show broad spectrum anti-proliferative activity in multiple cancer cell lines. Although the enzymatic IC{sub 50} of CX-4945 has been reported, the thermodynamics and structural basis of binding to CK2{alpha} remained elusive. Presented here are the crystal structures of human CK2{alpha} in complex with CX-4945 and adenylyl phosphoramidate at 2.7 and 1.3 {angstrom}, respectively. Biophysical analysis of CX-4945 binding is also described. This data provides the structural rationale for the design of more potent inhibitors against this emerging cancer target.
Schmidt, Andrew J.; Zacher, Alan H.
2007-06-25
This report provides the formulation and technical basis for a K Basin Settler Tank Sludge simulant that will be used by the K Basin Closure Project (KBC) to test and develop equipment/approaches for Settler Tank sludge level measurement and retrieval in a mock-up test system of the actual Settler Tanks. The sludge simulant may also be used to demonstrate that the TOYO high pressure positive displacement pump design (reversing valves and hollow balls) is suitable for transfer of Settler Tank sludge from the K West (KW) Basin to the Cold Vacuum Drying Facility (CVDF) (~500 ft). As requested the by the K Basins Sludge Treatment Project (STP) the simulant is comprised of non-radioactive (and non-uranium) constituents.
Micrometer-scale fabrication of complex three dimensional lattice + basis structures in silicon
Burckel, D. Bruce; Resnick, Paul J.; Finnegan, Patrick S.; Sinclair, Michael B.; Davids, Paul S.
2015-01-01
A complementary metal oxide semiconductor (CMOS) compatible version of membrane projection lithography (MPL) for fabrication of micrometer-scale three-dimensional structures is presented. The approach uses all inorganic materials and standard CMOS processing equipment. In a single layer, MPL is capable of creating all 5 2D-Bravais lattices. Furthermore, standard semiconductor processing steps can be used in a layer-by-layer approach to create fully three dimensional structures with any of the 14 3D-Bravais lattices. The unit cell basis is determined by the projection of the membrane pattern, with many degrees of freedom for defining functional inclusions. Here we demonstrate several unique structural motifs, and characterize 2D arrays of unit cells with split ring resonators in a silicon matrix. The structures exhibit strong polarization dependent resonances and, for properly oriented split ring resonators (SRRs), coupling to the magnetic field of a normally incident transverse electromagnetic wave, a response unique to 3D inclusions.
New results for the missing quantum numbers labeling the quadrupole and octupole boson basis
A. Gheorghe; A. A. Raduta
2004-10-27
The many $2^k$-pole boson states, $|N_kv_k\\alpha_k I_kM_k>$ with $k=2,3$, realize the irreducible representation (IR) for the group reduction chains $SU(2k+1)\\supset R_{2k+1}\\supset R_3\\supset R_2$. They have been analytically studied and widely used for the description of nuclear systems. However, no analytical expression for the degeneracy $d_v(I)$ of the $R_{2k+1}$'s IR, determined by the reduction $R_{2k+1}\\supset R_3$, is available. Thus, the number of distinct values taken by $\\alpha_k$ has been so far obtained by solving some complex equations. Here we derive analytical expressions for the degeneracy $d_v(I)$ characterizing the octupole and quadrupole boson states, respectively. The merit of this work consists of the fact that it completes the analytical expressions for the $2^k$-pole boson basis.
Scientific basis for risk assessment and management of uranium mill tailings
Not Available
1986-01-01
A National Research Council study panel, convened by the Board on Radioactive Waste Management, has examined the scientific basis for risk assessment and management of uranium mill tailings and issued this final report containing a number of recommendations. Chapter 1 provides a brief introduction to the problem. Chapter 2 examines the processes of uranium extraction and the mechanisms by which radionuclides and toxic chemicals contained in the ore can enter the environment. Chapter 3 is devoted to a review of the evidence on health risks associated with radon and its decay products. Chapter 4 provides a consideration of conventional and possible new technical alternatives for tailings management. Chapter 5 explores a number of issues of comparative risk, provides a brief history of uranium mill tailings regulation, and concludes with a discussion of choices that must be made in mill tailing risk management. 211 refs., 30 figs., 27 tabs.
none,
1981-05-01
Report XI, Technical Audit, is a compendium of research material used during the Initial Effort in making engineering comparisons and decisions. Volumes 4 and 5 of Report XI present those studies which provide a Critical Review of the Design Basis. The Critical Review Report, prepared by Intercontinental Econergy Associates, Inc., summarizes findings from an extensive review of the data base for the H-Coal process design. Volume 4 presents this review and assessment, and includes supporting material; specifically, Design Data Tabulation (Appendix A), Process Flow Sheets (Appendix B), and References (Appendix C). Volume 5 is a continuation of the references of Appendix C. Studies of a proprietary nature are noted and referenced, but are not included in these volumes. They are included in the Limited Access versions of these reports and may be reviewed by properly cleared personnel in the offices of Ashland Synthetic Fuels, Inc.
Green's function multiple-scattering theory with a truncated basis set: An augmented-KKR formalism
Alam, Aftab [Indian Institute of Technology Bombay; Khan, Suffian N [Ames Laboratory; Smirnov, A V [Ames Laboratory; Nicholson, D M [Oak Ridge National Laboratory; Johnson, Duane D [Ames Laboratory
2014-11-01
The Korringa-Kohn-Rostoker (KKR) Green's function, multiple-scattering theory is an efficient site-centered, electronic-structure technique for addressing an assembly of N scatterers. Wave functions are expanded in a spherical-wave basis on each scattering center and indexed up to a maximum orbital and azimuthal number Lmax=(l,m)max, while scattering matrices, which determine spectral properties, are truncated at Ltr=(l,m)tr where phase shifts ?l>ltr are negligible. Historically, Lmax is set equal to Ltr, which is correct for large enough Lmax but not computationally expedient; a better procedure retains higher-order (free-electron and single-site) contributions for Lmax>Ltr with ?l>ltr set to zero [X.-G. Zhang and W. H. Butler, Phys. Rev. B 46, 7433 (1992)]. We present a numerically efficient and accurate augmented-KKR Green's function formalism that solves the KKR equations by exact matrix inversion [R3 process with rank N(ltr+1)2] and includes higher-L contributions via linear algebra [R2 process with rank N(lmax+1)2]. The augmented-KKR approach yields properly normalized wave functions, numerically cheaper basis-set convergence, and a total charge density and electron count that agrees with Lloyd's formula. We apply our formalism to fcc Cu, bcc Fe, and L10 CoPt and present the numerical results for accuracy and for the convergence of the total energies, Fermi energies, and magnetic moments versus Lmax for a given Ltr.
Thierry Daudé; Francois Nicoleau
2015-06-12
We study inverse scattering problems at a fixed energy for radial Schr\\"{o}dinger operators on $\\R^n$, $n \\geq 2$. First, we consider the class $\\mathcal{A}$ of potentials $q(r)$ which can be extended analytically in $\\Re z \\geq 0$ such that $\\mid q(z)\\mid \\leq C \\ (1+ \\mid z \\mid )^{-\\rho}$, $\\rho \\textgreater{} \\frac{3}{2}$. If $q$ and $\\tilde{q}$ are two such potentials and if the corresponding phase shifts $\\delta\\_l$ and $\\tilde{\\delta}\\_l$ are super-exponentially close, then $q=\\tilde{q}$. Secondly, we study the class of potentials $q(r)$ which can be split into $q(r)=q\\_1(r) + q\\_2(r)$ such that $q\\_1(r)$ has compact support and $q\\_2 (r) \\in \\mathcal{A}$. If $q$ and $\\tilde{q}$ are two such potentials, we show that for any fixed $a\\textgreater{}0$, ${\\ds{\\delta\\_l - \\tilde{\\delta}\\_l \\ = \\ o \\left( \\frac{1}{l^{n-3}} \\ \\left( {\\frac{ae}{2l}}\\right)^{2l}\\right)}}$ when $l \\rightarrow +\\infty$ if and only if $q(r)=\\tilde{q}(r)$ for almost all $r \\geq a$. The proofs are close in spirit with the celebrated Borg-Marchenko uniqueness theorem, and rely heavily on the localization of the Regge poles that could be defined as the resonances in the complexified angular momentum plane. We show that for a non-zero super-exponentially decreasing potential, the number of Regge poles is always infinite and moreover, the Regge poles are not contained in any vertical strip in the right-half plane. For potentials with compact support, we are able to give explicitly their asymptotics. At last, for potentials which can be extended analytically in $\\Re z \\geq 0$ with $\\mid q(z)\\mid \\leq C \\ (1+ \\mid z \\mid )^{-\\rho}$, $\\rho \\textgreater{}1$ , we show that the Regge poles are confined in a vertical strip in the complex plane.
Yoo, John
2010-01-01
Mauritania 30. Nigeria 31. Liberia 32. Myanmar 33. SomaliaThe World Bank considers Liberia, Myanmar, Somalia, and theRepublic of the Congo, Liberia, Sierra Leone, and Sudan. He
Boyd, David
2011-06-22
Broadcast Transcript: Beauty is in the eye of the beholder--or on the screen of a digital camera. We are our own worst critics, so few people are satisfied with the way they appear in photographs. A Japanese company recently capitalized on this fact...
Multiple Contributors
1992-01-01
? ? , ? ? ? ? ? ? ? ? ? , , '. ' . ..' ? ? r'::~~ . ' ?? , ? \\ - Nectar & Ambrosia (editorial) From our readers (LoC's) "Rehearsal" by Rachel Christie "Cabrillo Carnival" by Tabby Davis "Crazy in Love" by Sue... the Sea" are totally non-slash. "Crazy in Love," "Untangled," "Sands of Time," and "Foolish Dreams, Futile Hopes" include the premise but not the act. And our lovely smut this time is contributed by Rachel Christie in "Rehearsal." As you may (or may not...
Multiple Contributors
2000-01-01
stopped his circling, facing the front door. Right or left? Starsky went left. He took the doorknobs of the double doors in his hands and twisted. The knobs gave easily, but the doors didn't budge. Starsky pushed a little on the left door, then put... hand into his jeans pocket to see if he had anything that might help. The change was rattling when he heard the noise again. Hutch leaned closer to the door, putting his ear against the thick wood. "Starsky?" he called. He was sure he heard 12...
Multiple Contributors
1987-01-01
unfading testimony of his trip to hell. Uke the day-g?.o dye .t.n the "ubbelL ~tamp they pu;t on the back 06 yOUlL hand at a county 6aVt, to plt.Ove you pa.hands, and it took his mind away from his true dilemma. By sunset, all he could do was crawl inside and let...
Ramanathan, Nithya
2008-01-01
the arsenic problem in bangladesh. doctoral thesis, divisiondeployments, undertaken in Bangladesh in January, 2006.in a rice paddy in Bangladesh to help scientists evaluate
Cory, Rick E. (Rick Efren)
2008-01-01
Human pilots have the extraordinary ability to remotely maneuver small Unmanned Aerial Vehicles (UAVs) far outside the flight envelope of conventional autopilots. Given the tremendous thrust-to-weight ratio available on ...
Multiple Contributors
1997-01-01
Argentina de Gastroenterologia. Buenos Aires. Wm (W1 AC804H) Acta Ichthyol et Piscat-- Acta Ichthyologica et Piscatoria. Academy of Agriculture in Szczecin. Faculty of Marine Fisheries and Food Technology. Szczecin, Polska. Wa (QL614.A28 ) Acta Med...) Adhesion and Microorganism Pathogenicity See Ciba Found Symp (80) 1981 Advances Int Med-- Advances in Internal Medicine. Chicago. Wm(W1 AD653) African J Clin and Exper Immunol-- African Journal of Clinical and Experimental Immunology. Bloemfontein...
Yoo, John
2010-01-01
Republic of the Congo 6. Iraq 7. Afghanistan 8. Centralwars in Afghanistan and Iraq has spent up to $500 billion aMilitary Adventure in Iraq 97 (2006). An army briefing noted
Multiple Contributors
1990-01-01
't tell StarSky to get the hell out and take his pathetic-looking tree with him. Was he falling under a spell or something? He had seen, many times, the effeci of Statsky's little-boy charm on people, bUi he 'd always thought he, Hutch. was IIrunune...
Multiple Contributors
2000-01-01
The objective of this thesis was to develop a concept to automatically generate facial caricatures based on anthropometric measurements. Based on this concept, a system was created to automate caricature generation with ...
Estep, Robert J.
2012-05-31
We have developed a dynamic image reconstruction method called MVIR (Moving Voxel Image Reconstruction) for lane detection in multilane portal monitor systems. MVIR was evaluated for use in the Fixed Site Detection System, a prototype three-lane portal monitor system for EZ-pass toll plazas. As a baseline, we compared MVIR with a static image reconstruction method in analyzing the same real and simulated data sets. Performance was judged by the distributions of image intensities for source and no-source vehicles over many trials as a function of source strength. We found that MVIR produced significantly better results in all cases. The performance difference was greatest at low count rates, where source/no-source distributions were well separated with the MVIR method, allowing reliable source vehicle identification with a low probability of false positive identifications. Static reconstruction of the same data produced overlapping distributions that made source vehicle identification unreliable. The performance of the static method was acceptable at high count rates. Both algorithms reliably identified two strong sources passing through at nearly the same time.
Efroymson, R.A.
2001-01-12
This is a companion report to the risk assessment framework proposed by Suter et al. (1998): ''A Framework for Assessment of Risks of Military Training and Testing to Natural Resources,'' hereafter referred to as the ''generic framework.'' The generic framework is an ecological risk assessment methodology for use in environmental assessments on Department of Defense (DoD) installations. In the generic framework, the ecological risk assessment framework of the US Environmental Protection Agency (EPA 1998) is modified for use in the context of (1) multiple and diverse stressors and activities at a military installation and (2) risks resulting from causal chains, e.g., effects on habitat that indirectly impact wildlife. Both modifications are important if the EPA framework is to be used on military installations. In order for the generic risk assessment framework to be useful to DoD environmental staff and contractors, the framework must be applied to specific training and testing activities. Three activity-specific ecological risk assessment frameworks have been written (1) to aid environmental staff in conducting risk assessments that involve these activities and (2) to guide staff in the development of analogous frameworks for other DoD activities. The three activities are: (1) low-altitude overflights by fixed-wing and rotary-wing aircraft (this volume), (2) firing at targets on land, and (3) ocean explosions. The activities were selected as priority training and testing activities by the advisory committee for this project.
Selective CO2 Capture from Flue Gas Using Metal-Organic Frameworks?A Fixed Bed Study
Liu, Jian; Tian, Jian; Thallapally, Praveen K.; McGrail, B. Peter
2012-05-03
It is important to capture carbon dioxide from flue gas which is considered to be the main reason to cause global warming. CO2/N2 separation by novel adsorbents is a promising method to reduce CO2 emission but effect of water and CO2/N2 selectivity is critical to apply the adsorbents into practical applications. A very well known, Metal Organic Framework, NiDOBDC (Ni-MOF-74 or CPO-27-Ni) was synthesized through a solvothermal reaction and the sample (500 to 800 microns) was used in a fixed bed CO2/N2 breakthrough study with and without H2O. The Ni/DOBDC pellet has a high CO2 capacity of 3.74 mol/kg at 0.15 bar and a high CO2/N2 selectivity of 38, which is much higher than those of reported MOFs and zeolites under dry condition. Trace amount of water can impact CO2 adsorption capacity as well as CO2/N2 selectivity for the Ni/DOBDC. However, Ni/DOBDC can retain a significant CO2 capacity and CO2/N2 selectivity at 0.15 bar CO2 with 3% RH water. These results indicate a promising future to use the Ni/DOBDC in CO2 capture from flue gas.
Brouns, T.M.; Rohay, A.C. [Pacific Northwest National Laboratory, Richland, WA (United States); Youngs, R.R. [Geomatrix Consultants, Inc., Oakland, CA (United States); Costantino, C.J. [C.J. Costantino and Associates, Valley, NY (United States); Miller, L.F. [U.S. Department of Energy, Office of River Protection, Richland, WA (United States)
2008-07-01
In August 2007, Secretary of Energy Samuel W. Bodman approved the final seismic and ground motion criteria for the Waste Treatment and Immobilization Plant (WTP) at the Department of Energy's (DOE) Hanford Site. Construction of the WTP began in 2002 based on seismic design criteria established in 1999 and a probabilistic seismic hazard analysis completed in 1996. The design criteria were reevaluated in 2005 to address questions from the Defense Nuclear Facilities Safety Board (DNFSB), resulting in an increase by up to 40% in the seismic design basis. DOE announced in 2006 the suspension of construction on the pretreatment and high-level waste vitrification facilities within the WTP to validate the design with more stringent seismic criteria. In 2007, the U.S. Congress mandated that the Secretary of Energy certify the final seismic and ground motion criteria prior to expenditure of funds on construction of these two facilities. With the Secretary's approval of the final seismic criteria in the summer of 2007, DOE authorized restart of construction of the pretreatment and high-level waste vitrification facilities. The technical basis for the certification of seismic design criteria resulted from a two-year Seismic Boreholes Project that planned, collected, and analyzed geological data from four new boreholes drilled to depths of approximately 1400 feet below ground surface on the WTP site. A key uncertainty identified in the 2005 analyses was the velocity contrasts between the basalt flows and sedimentary interbeds below the WTP. The absence of directly-measured seismic shear wave velocities in the sedimentary interbeds resulted in the use of a wider and more conservative range of velocities in the 2005 analyses. The Seismic Boreholes Project was designed to directly measure the velocities and velocity contrasts in the basalts and sediments below the WTP, reanalyze the ground motion response, and assess the level of conservatism in the 2005 seismic design criteria. The characterization and analysis effort included 1) downhole measurements of the velocity properties (including uncertainties) of the basalt/interbed sequences, 2) confirmation of the geometry of the contact between the various basalt and interbedded sediments through examination of retrieved core from the core-hole and data collected through geophysical logging of each borehole, and 3) prediction of ground motion response to an earthquake using newly acquired and historic data. The data and analyses reflect a significant reduction in the uncertainty in shear wave velocities below the WTP and result in a significantly lower spectral acceleration (i.e., ground motion). The updated ground motion response analyses and corresponding design response spectra reflect a 25% lower peak horizontal acceleration than reflected in the 2005 design criteria. These results provide confidence that the WTP seismic design criteria are conservative. (authors)
Beyond-Design-Basis-Accidents Passive Containment-Cooling Spray System
Karameldin, Aly; Temraz, Hassan M. Elsawy; Ibrahim, Nady Attia [Atomic Energy Authority (Egypt)
2001-10-15
The proposed safety feature considered in this study aims to increase the safety margins of nuclear power plants by proposed water tanks located inside or outside the upper zone of the containment to be utilized for (a) residual heat removal of the reactor in case of station blackout or in case of normal reactor shutdown and (b) beyond-design-basis accidents, in which core melt and debris-concrete interaction take place, associated with accumulative containment pressure increase and partial loss of the active systems. The proposed passive containment system can be implemented by a special mechanism, which can allow the pressurization of the water in the tanks and therefore can enable an additional spray system to start in case of increasing the containment pressure over a certain value just below the design pressure. A conservative case study is that of a Westinghouse 3411-MW(thermal) power station, where the proposed passive containment cooling spray system (PCCSS) will start at a pressure of 6 bars and terminate at a pressure of 3 bars. A one-dimensional lumped model is postulated to describe the thermal and hydraulic process behavior inside the containment after a beyond-design-basis accident. The considered parameters are the spray mass flow rate, the initial droplet diameters, fuel-cooling time, and the ultimate containment pressure. The overall heat and mass balance inside the containment are carried out, during both the containment depressurization (by the spraying system) and pressurization (by the residual energies). The results show that the design of the PCCSS is viable and has a capability to maintain the containment below the design pressure passively for the required grace period of 72 h. Design curves of the proposed PCCSS indicate the effect of the spray flow rate and cooling time on the total sprayed volume during the grace period of 72 h. From these curves it can be concluded that for the grace period of 72 h, the required tank volumes are 3800 and 4700 m{sup 3}, corresponding to fuel-cooling times (time after shutdown) of two weeks and one week, respectively. This large quantity of water serves as an ultimate heat sink available for the residual heat removal in the case of station blackout. The optimal spraying droplet diameter, travel, and mass flow rate are 3 mm, 30 m, and 100 to 125 kg/s, respectively.
Lansberg, J P; Didelez, J P; Genolini, B; Hadjidakis, C; Rosier, P; Arnaldi, R; Scomparin, E; Brodsky, S J; Ferreiro, E G; Fleuret, F; Rakotozafindrabe, A; Uggerhøj, U I
2012-01-01
We report on a future multi-purpose fixed-target experiment with the proton or lead ion LHC beams extracted by a bent crystal. The multi-TeV LHC beams allow for the most energetic fixed-target experiments ever performed. Such an experiment, tentatively named AFTER for "A Fixed-Target ExperRiment", gives access to new domains of particle and nuclear physics complementing that of collider experiments, in particular at RHIC and at the EIC projects. The instantaneous luminosity at AFTER using typical targets surpasses that of RHIC by more than 3 orders of magnitude. Beam extraction by a bent crystal offers an ideal way to obtain a clean and very collimated high-energy beam, without decreasing the performance of the LHC. The fixed-target mode also has the advantage of allowing for spin measurements with a polarised target and for an access over the full backward rapidity domain up to xF ~ - 1. Here, we elaborate on the reachable luminosities, the target polarisation and a selection of measurements with hydrogen an...
Zordan, Victor
An Empirical Analysis of Bug Reports and Bug Fixing in Open Source Android Apps Pamela Bhattacharya applications. Therefore, in this paper, we perform an in-depth empirical study on bugs in the Google Android smartphone platform and 24 widely-used open-source Android apps from diverse categories such as communication
Gordillo Ariza, Gerardo
2010-10-12
W) countercurrent fixed bed gasifier was rebuilt to perform gasification studies under quasisteady state conditions using dairy biomass (DB) as feedstock and various air-steam mixtures as oxidizing sources. A DB-ash (from DB) blend and a DB-Wyoming coal blend were...
Hafstein, Sigurður Freyr
Contents ISS and Lyapunov functions Input-to-state stability and interconnections Lyapunov functions Simplicial fixed point algor Lyapunov Functions for Interconnected Systems Fabian Wirth Institute of Mathematics, University of W¨urzburg Workshop on Algorithms for Dynamical Systems and Lyapunov Functions
Anderson, James B.
in the direction of developing and testing alternative methods for predicting accurate potential energy surfaces energy of van der Waals systems was investigated. Tests were carried out by simulating the electronic indicating a high accuracy for the fixed-node approximation. Also, our interaction energies for He
Veinot, K. G.
2009-07-22
The purpose of this report is to establish radiological acceptance criteria for uranium. Other factors for acceptance not considered include criticality safety concerns, contaminants to the process stream, and impacts to the Safety Basis for the affected facilities. Three types of criteria were developed in this report. They include limits on external penetrating and non-penetrating radiation and on the internal hazard associated with inhalation of the material. These criteria are intended to alleviate the need for any special controls beyond what are normally utilized for worker protection from uranium hazards. Any proposed exceptions would require case-by-case evaluations to determine cost impacts and feasibility. Since Y-12 has set rigorous ALARA goals for worker doses, the external limits are based on assumptions of work time involved in the movement of accepted material plus the desire that external doses normally received are not exceeded, and set so that no special personnel monitoring would be required. Internal hazard controls were established so that dose contributions from non-uranium nuclides would not exceed 10% of that expected from the uranium component. This was performed using a Hazard Index (HI) previously established for work in areas contaminated with non-uranium nuclides. The radiological acceptance criteria for uranium are summarized in Table 1. Note that these limits are based on the assumption that radioactive daughter products have reached equilibrium.
Vacuum Fluctuation (1): the Same Basis of the Relativity and the Quantum Mechanics
Xing-Hao Ye
2007-11-09
The aim of this paper is to reveal the deep relationship between matter and vacuum, and to seek for the same physical basis of the relativity and the quantum mechanics. In doing this, three postulates of vacuum fluctuation are proposed first, the basic premises of the relativity and the quantum mechanics including the velocity limit, the energy-frequency relation and the de Broglie wavelength expression of any matter particles are deduced then. As applications, the idea is used to analyze the Compton effect and the electron-positron annihilation. It is found that the calculation becomes simple, and the physical meaning gets clear. The simplicity comes from the power of the three postulates. To illustrate this, the basic conclusions of the special theory of relativity such as the relations of mass-velocity, mass-energy, energy-momentum, time dilation and length contraction are further deduced. In addition, the significance of the investigation of vacuum fluctuation in the unification of the physical theories is pointed out.
Comparison of hybrid and pure Monte Carlo shower generators on an event by event basis
Jeff Allen; Hans-Joachim Drescher; Glennys Farrar
2007-08-21
SENECA is a hybrid air shower simulation written by H. Drescher that utilizes both Monte Carlo simulation and cascade equations. By using the cascade equations only in the high energy portion of the shower, where the shower is inherently one-dimensional, SENECA is able to utilize the advantages in speed from the cascade equations yet still produce complete, three dimensional particle distributions at ground level which capture the shower to shower variations coming from the early interactions. We present a comparison, on an event by event basis, of SENECA and CORSIKA, a well trusted MC simulation code. By using the same first interaction in both SENECA and CORSIKA, the effect of the cascade equations can be studied within a single shower, rather than averaged over many showers. Our study shows that for showers produced in this manner, SENECA agrees with CORSIKA to a very high accuracy with respect to densities, energies, and timing information for individual species of ground-level particles from both iron and proton primaries with energies between 1 EeV and 100 EeV. Used properly, SENECA produces ground particle distributions virtually indistinguishable from those of CORSIKA in a fraction of the time. For example, for a shower induced by a 10 EeV proton, SENECA is 10 times faster than CORSIKA, with comparable accuracy.