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Sample search results for: abbreviated impactor measurement

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1 W. M. Keck Center for Collaborative Neuroscience THE SPINAL CORD INJURY PROJECT
 

Summary:  W. M. Keck Center for Collaborative Neuroscience THE SPINAL CORD INJURY PROJECT THE MASCIS IMPACTOR... Overview The MASCIS Impactor is a device designed to deliver graded reproducible spinal cord contusions... in rats. Developed over ten years ago, the Impactor is part of a well-defined rodent spinal cord injury

  

Source: Chen, Kuang-Yu - Department of Chemistry and Chemical Biology, Rutgers University

 

Collection: Biology and Medicine ; Chemistry

 
2 Structural Dynamics EURODYN '99, Fryba & Naprstek (eds) c 1999 Balkema, Rotterdam, ISBN 90 5809 056 6 Computer Simulation of Spall Crack Formation
 

Summary:  of central impact of thin plate impactor to target from the same material is presented. Two types of impactor... are considered: plate impactor and cup impactor. Cup impactor is usually used in nature experiments to avoid... boundary effect from the impactor borders ...

  

Source: Krivtsov, Anton M. - Institute for Problems in Mechanical Engineering, Russian Academy of Sciences

 

Collection: Engineering

 
3 List of principal abbreviations, notations and symbols A Surface area; cross section for air flow (general notation)
 

Summary:  263 List of principal abbreviations, notations and symbols A Surface area; cross section for air... for the specific surface area measured by nitrogen adsorption bdp Beclomethasone dipropionate BSE Bovine Spongiform... Optical Concentration in the aerosol cloud during laser diffraction measurement CC Carrier Coverage

  

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

 

Collection: Biology and Medicine ; Environmental Sciences and Ecology

 
4 Characterisation of inhalation aerosols: a critical evaluation of cascade impactor analysis
 

Summary:  stationary settling. Consequently, the aerodynamic diameter measured with an inertial impactor... of the major problems related to cascade impactor analysis. The measuring is fast and the obtained size... 67 Chapter 2 Characterisation of inhalation aerosols: a critical evaluation of cascade ...

  

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

 

Collection: Biology and Medicine ; Environmental Sciences and Ecology

 
5 Meteoritics & Planetary Science 40, Nr 6, 817840 (2005) Abstract available online at http://meteoritics.org
 

Summary:  requires six inputs: impactor diameter, impactor density, impact velocity before atmospheric entry, impact... algorithms for estimating the fate of the impactor during atmospheric traverse, the thermal radiation emitted... of an extraterrestrial object on Earth begins when the impactor enters the tenuous ...

  

Source: Collins, Gareth - Department of Earth Science & Engineering, Imperial College, London

 

Collection: Geosciences

 
6 EAS 6795 Atmospheric Aerosols Homework Assignment 2 Dynamics of Single Particles (Hinds Chapters 3 and 5)
 

Summary:  air and water settling calculation for a 2 µm bead. 3. A cyclone is used to measure PM2.5 by capturing... as the particle. 4. An impactor is designed to remove particles larger than 1.0 µm diameter for aircraft... measurements of PM1.0. The design assumed an ambient temperature of 20°C, 1 atm pressure, and sqrt(Stks50) = 0

  

Source: Weber, Rodney - School of Earth and Atmospheric Sciences, Georgia Institute of Technology

 

Collection: Environmental Sciences and Ecology

 
7 Detection of Earth-impacting asteroids with the next generation all-sky surveys
 

Summary:  ) efficiency for detecting Earth-impacting asteroids. The steady-state sky-plane distribution of the impactors... to impact. The next generation surveys will find most of the dangerous impactors (>140 m diameter) during... may be needed to identify many of the potential impactors that spend much of their time interior

  

Source: Veres, Peter - Department of Astronomy, Physics of the Earth and Meteorology, Comenius University

 

Collection: Physics

 
8 March 22, 2004 EAS 4/8803 1 Separating PM2.5 at Sample Inlet
 

Summary:  Well Impactor Ninety-Six #12;March 22, 2004 EAS 4/8803 2 Potential Gas/Particle Interactions... potential positive and mostly negative artifacts !! air Filter Adsorber Particle and Gas Measurement #12... 's FRM Samplers OC/EC, SO4 2-, NO3 -,NH4 + Size Selective Inlet (PM10) Pump WINS Impactor Quartz Filter

  

Source: Weber, Rodney - School of Earth and Atmospheric Sciences, Georgia Institute of Technology

 

Collection: Environmental Sciences and Ecology

 
9 Progresses of Impact Ignition *M. Murakami, H. Nagatomo, T. Johzaki, K. Shigemori, Y. Hironaka, T. Watari, Y. Arinaga,
 

Summary:  (the impactor) is accelerated to a super-high velocity (Fig.1), compressed by convergence, and collided... with a precompressed main fuel. This collision generates shock waves in both the impactor and the main fuel. Since... the density of the impactor is generally much lower than that of the main fuel, the pressure balance ...

  

Source: Ito, Atsushi - Theory and Computer Simulation Center, National Institute for Fusion Science (Japan)

 

Collection: Plasma Physics and Fusion

 
10 in Shock-Compression of Condensed Matter 2001, edited by M. D. Furnish, N. N. Thadhani, and Y. Horie, pp. 1393-1396, American Institute of Physics, New York, 2002
 

Summary:  (of rock) controlled. In the strength regime, crater volumes are nearly proportional to impactor... kinetic energy. The depth of the cracked rock zone beneath such craters depends on both impactor energy... of strength- controlled impact craters has been demonstrated to be nearly proportional to impactor energy

  

Source: Stewart, Sarah T. - Department of Earth and Planetary Sciences, Harvard University

 

Collection: Geosciences ; Physics

 
11 Chronology and Sources of Lunar Impact Bombardment Matija Cuk1,2
 

Summary:  "impactor shower" would be triggered by tidal disruption of a Vesta-sized body from this primordial Mars... bombardment before that time is controversial, as is the source of the impactors at 3.85 Gya. The terms "Lunar... to a conclusion that the lunar cataclysm impactor population must have become unstable after a period of ...

  

Source: Cuk, Matija - Harvard-Smithsonian Center for Astrophysics & Department of Earth and Planetary Sciences, Harvard University

 

Collection: Physics ; Geosciences

 
12 Molecular Dynamics Investigation of Spall Fracture A. M. Krivtsov1
 

Summary:  ­212. ABSTRACT Molecular dynamics investigation of central impact of thin plate impactor to target from the same... dispersion, excess of the distribution function) can be measured with the interference technique in real time... the cross-sections of impactor (black) and target (grey). Initially the particles are arranged

  

Source: Krivtsov, Anton M. - Institute for Problems in Mechanical Engineering, Russian Academy of Sciences

 

Collection: Engineering

 
13 Available online at www.sciencedirect.com Planetary and Space Science 51 (2003) 455471
 

Summary:  ects that result from the motion of the parent body through an isotropic ÿeld of impactors... measured from the apex of the satellite motion. This property of the asymmetry is rather robust... of the moon orbital velocity to the speed of impactors and on the initial angular distribution of the ejecta

  

Source: Potsdam, Universität - Institut für Physik, Arbeitsgruppe Nichtlineare Dynamik

 

Collection: Physics

 
14 Dynamics of dust ejected from Enceladus: Application to the Cassini dust detector
 

Summary:  by these different impactor families. These can be used for the interpretation of the measure­ ments of the cosmic... plane of Enceladus for ejecta caused by E ring impactors (item 2). The launch an­ gles measure... impactor­ejecta no measurable difference has ...

  

Source: Potsdam, Universität - Institut für Physik, Arbeitsgruppe Nichtlineare Dynamik

 

Collection: Physics

 
15 A new composite structure impact performance assessment program q Paolo Feraboli a,*, Keith T. Kedward b,1
 

Summary:  ) strength. Using a determinate impactor/target system as baseline configuration, the program is applied... toward the understanding of the role played in an impact event by fundamental impactor and target... . A modification to the existing effective structural stiffness formulation, which does not account for impactor

  

Source: Feraboli, Paolo - Department of Aeronautics and Astronautics, University of Washington at Seattle

 

Collection: Engineering

 
16 WELDING RESEARCH OCTOBER 2005-s156
 

Summary:  previously been reported. Re- searchers have measured the size distrib- ution of welding fume with impactors... range of particles, no single technique can measure the size of every particle. Only expensive impactors... Distribution (in milligrams) of Various Welding Fumes Measured with ...

  

Source: Eagar, Thomas W. - Department of Materials Science and Engineering, Massachusetts Institute of Technology (MIT)

 

Collection: Materials Science

 
17 DEEP SUBSURFACE EXPLORATION OF COMETARY NUCLEI M. J. S. Belton 1 and M. F. A'Hearn 2
 

Summary:  an instrumented (smart) impactor of copper construction to minimize contamination of spectrographic measurements... . A massive (approximately 500 kg) impactor is delivered at hypersonic speeds to a comet nucleus to excavate... impactor followed by remote sensing from the flyby delivery bus, as described ...

  

Source: A'Hearn, Michael F. - Department of Astronomy, University of Maryland at College Park

 

Collection: Physics

 
18 1Tempel 1 -Close-up of a Comet! On July 4, 2005, the Deep Impact spacecraft flew within
 

Summary:  of comet Tempel 1. This composite image of the surface was put together from images taken by the Impactor... ) and the length of the cliff wall in meters? Problem 3 - The Deep Impact Impactor probe collided with the comet... in the answer to Problem 1. Students may use their measured value as a replacement for the `153 mm' stated

  

Source: Richardson Jr., James E. - Department of Astronomy, Cornell University

 

Collection: Physics

 
19 JOURNAL DE PHYSIQUE IV C3-639 Colloque C3, suppl. au Journal de Physique III, Vol. 1, octobre 1991
 

Summary:  is inferred from observations of wave interaction patterns and by measuring spall strength of soda lime glass... of these two materials 191. Kanel et al HI have reported free surface velocity measurements (using VISAR... and by measuring the spall strength in front and behind the wave, using manganin stress gauges. 2. ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
20 CHARACTERIZATION OF INDIVIDUAL AEROSOL PARTICLES AND SAMPLING ARTEFACTS BY NANOSIMS
 

Summary:  , and 56 Fe ion signals of artifacts of an ambient impactor aerosol particle sample (NanoSIMS measurement... SIMS measurements of individual aerosol particles are shown. METHODS Measurements were performed with a Cameca Nano... to previous ion microprobes, leading to much higher sensitivity. Third, the ...

  

Source: Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

 

Collection: Physics


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21 Final Environmental Technology Verification Report
 

Summary:  a test fabric were measured with an impactor equipped with appropriate substrates to filter and measure... the impactor. Particle size was measured while injecting the test dust into the air upstream of the baghouse... . The sample- gas channel contains an Andersen ...

  

Source: Environmental Protection Agency, Office of Research and Development (ORD)

 

Collection: Environmental Management and Restoration Technologies

 
22 Final Environmental Technology Verification Report
 

Summary:  with an impactor equipped with appropriate substrates to filter and measure PM2.5 within the dust flow. Outlet... filter stage and dividing by the gas volumetric flow through the impactor. Particle size was measured... . The sample- gas channel contains an Andersen impactor for particle ...

  

Source: Environmental Protection Agency, Office of Research and Development (ORD)

 

Collection: Environmental Management and Restoration Technologies

 
23 Cratering saturation and equilibrium: A new model looks at an old problem James E. Richardson *
 

Summary:  `saturation') for a variety of impactor population size-frequency distributions: from simple, straight... '), but that when the impactor population has a variable power-law slope, crater density equilibrium values... its parent impactor population) and therefore, such regions are not in equilibrium. The fact

  

Source: Richardson Jr., James E. - Department of Astronomy, Cornell University

 

Collection: Physics

 
24 This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research
 

Summary:  ­80% of each impactor core is required to re-equilibrate with the target mantle. Some model outcomes yield... a target and final impactor having similar (Earth- and Moon-like) tungsten anomalies. However, in no case... from the impactor mantle, or the accretion timescales obtained by the N-body simulations, are incorrect

  

Source: Nimmo, Francis - Department of Earth Sciences, University of California at Santa Cruz

 

Collection: Geosciences

 
25 Near-Earth object velocity distributions and consequences for the Chicxulub impactor
 

Summary:  Near-Earth object velocity distributions and consequences for the Chicxulub impactor S. V. Jeffers... impactor are a short-period comet (possibly inactive) or a near-Earth asteroid. For these classes of object... and mass of the impactor, both generally higher for comets than for asteroids. The main purpose

  

Source: Armagh Observatory

 

Collection: Physics

 
26 Stardust: An overview of the craters in aluminium foils (calibration, classification and particle size distribution)
 

Summary:  to 1.5 micron impactor diameter. The application of these new calibration results to the measurement... to impactor density (also allowed for in (5)). Subsequently this work has been significantly extended (7... to allow for aggregate impactors which have a high individual grain density, but a low overall ...

  

Source: Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

 

Collection: Physics

 
27 Planetary and Space Science 54 (2006) 10241032 E ring dust sources: Implications from Cassini's dust measurements
 

Summary:  's dust measurements Frank Spahna,Ã, Nicole Albersd , Marcel Ho¨ rninga , Sascha Kempfb , Alexander V... the atmosphereless satellites (the impactor-ejecta process), geophysical activities have been detected at the south... during the flyby E11 are used to identify the amount of dust produced in the impactor-ejecta process

  

Source: Potsdam, Universität - Institut für Physik, Arbeitsgruppe Nichtlineare Dynamik

 

Collection: Physics

 
28 Note: Planetary Impact Rates from Ecliptic Comets Harold F. Levison
 

Summary:  extinct JFCs are discovered. Figure 1 shows the measured velocities for the unbound impactors at each... in detail, including measurements of the impact velocities. We find that 21% of the objects that hit Jupiter... in our simulations were bound to the planet before the impact. The fraction of bound ...

  

Source: Levison, Harold F. - Department of Space Studies, Southwest Research Institute

 

Collection: Physics

 
29 Note: Planetary Impact Rates from Ecliptic Comets Harold F. Levison
 

Summary:  planets in detail, including measurements of the impact velocities. We nd that 21 of the objects that hit... Jupiter in our simulations were bound to the planet before the impact. The fraction of bound impactors... for the unbound impactors. 1. Introduction In Levison & Duncan 1997, hereafter LD97, we performed an extensive ...

  

Source: Levison, Harold F. - Department of Space Studies, Southwest Research Institute

 

Collection: Physics

 
30 JOURNAL OF NEUROTRAUMA 25:12271240 (October 2008) Mary Ann Liebert, Inc.
 

Summary:  , and measures impactor velocity. The LISA impactor is accelerated using compressed air on its downward movement... (impactor or the dura) as well as receiving the laser re- flection. The laser beam measures the distance... measures the impactor ...

  

Source: Harkema, Susan - Human Locomotion Research Center, University of California at Los Angeles

 

Collection: Biology and Medicine

 
31 Sang-Rin Lee Home: Oakdale Duplex B. Office: Chemical. Eng.
 

Summary:  . Aerosol measurements instruments such as Aerosol Particle Sizer (TSI), WPS(MSP) and Passive Impactor. 1999... generation: Dust feeder, Mechanical sieve and passive impactor Microscope: Particle size measurement and data... measures to remove submicron particles. Mineral sorbent ...

  

Source: Stanier, Charlie - Chemical and Biochemical Engineering Department, University of Iowa

 

Collection: Geosciences ; Environmental Sciences and Ecology

 
32 Upper Extremity Interaction with a Helicopter Side Airbag: Injury Criteria for Dynamic Hyperextension of the Female Elbow Joint
 

Summary:  to measure forces exerted onto the specimen by the impactor. Each reaction plate was supported by a single... system is based on processed accelerometer data measured from the aircraft frame. This system has... the forearm velocity (Hardy, 1997). The forearm velocity measure has the advantage of being easily ...

  

Source: Smith, Eric P. - Department of Statistics, Virginia Tech

 

Collection: Environmental Sciences and Ecology

 
33 RELATION BETWEEN SPALL STRENGTH AND MESOPARTICLE VELOCITY DISPERSION
 

Summary:  maximum. INTRODUCTION Impact loading of a plate target by a plate impactor from the same material... characteristics that can be measured in real time in spall fracture experiments are average velocity... . The rectangles represent the cross-sections of the impactor (black) and the target (grey). Initially

  

Source: Krivtsov, Anton M. - Institute for Problems in Mechanical Engineering, Russian Academy of Sciences

 

Collection: Engineering

 
34 1063-7834/04/4606-$26.00 2004 MAIK "Nauka/Interperiodica"1055 Physics of the Solid State, Vol. 46, No. 6, 2004, pp. 10551060. Translated from Fizika Tverdogo Tela, Vol. 46, No. 6, 2004, pp. 10251030.
 

Summary:  of an impactor (a) and a target (b). The impactor and target consist of the same particles, whose interaction... for the impactor and target; the lattice is ori- ented so that one of its basis vectors is directed along the x... .1a [18].1 Initially, the target has a zero velocity and the impactor velocity is ...

  

Source: Krivtsov, Anton M. - Institute for Problems in Mechanical Engineering, Russian Academy of Sciences

 

Collection: Engineering

 
35 Mon. Not. R. Astron. Soc. 000, 000--000 (0000) Printed 13 June 2001 (MN L A T E X style file v1.3) NEO velocity distributions and consequences for the
 

Summary:  .3) NEO velocity distributions and consequences for the Chicxulub impactor S.V. Jeffers 1;2 , S.P. Manley... realistic possibilities for the Chicxulub impactor are a short­ period comet (possibly inactive) or a near... . However, the efficiency of Ir deposition is a strong function of the velocity and mass of the impactor

  

Source: Armagh Observatory

 

Collection: Physics

 
36 Pergamon Atmospheric Environment Vol. 31, No. 16, pp. 2393-2405, 1997 0 1997 Elsevier Science Ltd
 

Summary:  be calculated either from the Rotheroe-Mitchell filter measurements or from the Berner four-stage impactors... diameters. The Berner Impactors may therefore be used to correct the filter measurements for < 100% efficien... and interpolation between impactor ...

  

Source: San Francisco Estuary Institute

 

Collection: Environmental Sciences and Ecology

 
37 J. Banhart, M.F. Ashby, N.A. Fleck: Metal Foams and Porous Metal Structures. MIT Verlag (1999) The Effect of Impact Velocity on the Deformation of Layered Metal
 

Summary:  -12Si foam / Al2O3 laminates. Different support, specimen and indenter / impactor geometries were... . The porosity levels have been measured to be 73%, and the cell size distribution and average cell size... impactor at DERA Farnborough. Two specimen and support geometries were employed (Fig. 2): (a) Square

  

Source: Markaki, Athina E. - Department of Materials Science and Metallurgy, University of Cambridge

 

Collection: Materials Science

 
38 Environmental Technology Verification Baghouse Filtration Products
 

Summary:  ............................................................................................................................................... vi List of Abbreviations and Acronyms... of Abbreviations and Acronyms APCT Center Air Pollution Control Technology Verification Center APPCD Air Pollution... was to measure filtration ...

  

Source: Environmental Protection Agency, Office of Research and Development (ORD)

 

Collection: Environmental Management and Restoration Technologies

 
39 3, 40974127, 2003 Size-segregated
 

Summary:  of the impactor for each period, based on measured amounts of Ca 2+ . The water soluble organic matter5 (WSOM... , based on measurements performed later with an identical impactor, the uncertainty5 in the sampling flow... .95 ± 0.12 µm. The aerosol mass concentration measured on stages ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
40 Atmos. Chem. Phys., 4, 889902, 2004 www.atmos-chem-phys.org/acp/4/889/
 

Summary:  % confidence level). Finally, based on measurements performed later with an identical impactor, the uncertainty... (see 2.1). Impactor measurements show also that aerosol concentration was on average 30% higher during... ­10 µm were measured with a differential mobility analyzer (DMA) ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics


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41 Design and application of a new modular adapter for laser diffraction characterisation of inhalation aerosols
 

Summary:  to most cascade impactors), practically imposes no limits on PIF and FIR through the inhalers. Measurement... collector for measuring the emitted mass fraction of fines by chemical detection methods after laser... measurements without cleaning of these windows possible. The adapter has successfully been ...

  

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

 

Collection: Biology and Medicine ; Environmental Sciences and Ecology

 
42 Hypervelocity impact resistance of reinforced carboncarbon/ carbonfoam thermal protection systems
 

Summary:  associated with the impactor (a meteoroid or a space-debris particle) and the target (the outer skin... and the material density of the impactor. The extent of damage caused by a given impactor also depends... is greatly controlled by the magnitude of the momentum of the impactor. At smaller values of the ...

  

Source: Grujicic, Mica - Department of Mechanical Engineering, Clemson University

 

Collection: Engineering ; Energy Storage, Conversion and Utilization

 
43 Icarus 179 (2005) 325349 www.elsevier.com/locate/icarus
 

Summary:  for a full range of impactor sizes. Next, this computed downslope regolith flow is used in a morphological... al. (2002) for size-frequency distri- bution plots and discussion). 1.2. Minimum impactor size... by an impactor, which is a small fraction of the impactor's kinetic energy, with the seismic energy ...

  

Source: Richardson Jr., James E. - Department of Astronomy, Cornell University

 

Collection: Physics

 
44 Atmos. Chem. Phys., 5, 29152925, 2005 www.atmos-chem-phys.org/acp/5/2915/
 

Summary:  measurements, for the series obtained for total fil- ter and impactor sampling. For the overall data set... . The comparison of concentrations obtained for samples col- lected in parallel with impactor- and filter... of pyrolysis seems to work for the impactor samples despite non even deposits. The size ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
45 This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research
 

Summary:  flow carried the lofted lunar dust particles past four impactors (four T-junction connectors), upon... -particle separa- tors (e.g., virtual impactors, cyclones, cascade impactors) typically involve greased surfaces... be ideal. In this study, we illustrate the design of an apparatus (Dry-Aerosol-Impactor ...

  

Source: Hren, Michael - Department of Earth and Planetary Sciences, University of Tennessee

 

Collection: Geosciences

 
46 Proceedings of the International SAMPE Symposium and Exhibition, Long Beach, CA, pp. 1-14, May 1-5, 2005
 

Summary:  and fiber breakage. Parameters such as impactor velocity, ply orientation, ply thickness, etc influence... total energy, contact force, impactor displacement and impactor velocity as a function of time... . A typical impact test lasted for around 7 milliseconds. The measurement of contact force, transient

  

Source: Ragsdell, Kenneth M. - Design Engineering Center, University of Missouri-Rolla

 

Collection: Engineering

 
47 Aerosol Science and Technology, 40:627638, 2006 Copyright c American Association for Aerosol Research
 

Summary:  ), capable of hourly measurements of speciated organic compounds in atmospheric aerosols. Aerosol samples... resolved measurements for an essentially unlimited number of samples, making it possible to analyze changes... to sampling aerosols is impact collection (Hering et al. 1990). Impactors use one or more ori- fices to impact

  

Source: Goldstein, Allen - Department of Environmental Science Policy and Management, University of California at Berkeley

 

Collection: Environmental Sciences and Ecology

 
48 Icarus 183 (2006) 7992 www.elsevier.com/locate/icarus
 

Summary:  crater size as a function of impactor size for a Gaspra- sized spherical body. The simulations assume... distinct cratering regimes in their simulations. Impactors smaller than about 6 m in di- ameter form... diameter, in- dicating that material strength limits the final crater diameter (Melosh, 1989). Impactors

  

Source: Richardson Jr., James E. - Department of Astronomy, Cornell University

 

Collection: Physics

 
49 Supporting On-line Material (SOM) 1 Impact-Induced Seismic Activity on Asteroid 433 Eros
 

Summary:  , and rt is the target radius. The seismic energy injected by the impactor (also spherical) is given by: 32... 3 2 pppki rvEE , (S3) where Ei is the seismic energy injected by impactor, is the seismic efficiency... factor, Ek is the impactor kinetic energy, p is the projectile density, vp is the projectile velocity

  

Source: Richardson Jr., James E. - Department of Astronomy, Cornell University

 

Collection: Physics

 
50 U.S. Environmental Protection Agency THE ENVIRONMENTAL TECHNOLOGY VERIFICATION
 

Summary:  , and test reporting format. Outlet particle concentrations from a test fabric were measured with an impactor... and dividing by the gas volumetric flow through the impactor. Particle size was measured while injecting... equipped with appropriate substrates to filter and measure PM2.5 ...

  

Source: Environmental Protection Agency, Office of Research and Development (ORD)

 

Collection: Environmental Management and Restoration Technologies

 
51 THE ENVIRONMENTAL TECHNOLOGY VERIFICATION U.S. Environmental Protection Agency
 

Summary:  particle concentrations from a test fabric were measured with an impactor equipped with appropriate... volumetric flow through the impactor. Particle size was measured while injecting the test dust into the air... dust with a measured mass mean aerodynamic diameter maximum of 1.5 m ...

  

Source: Environmental Protection Agency, Office of Research and Development (ORD)

 

Collection: Environmental Management and Restoration Technologies

 
52 This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research
 

Summary:  coupled plasma mass spectrometry (ICP- MS). Major and trace elements were measured in the same samples... enrichments suggesting a non- chondritic impactor. Concentration plots of the different PGE display... of the Gardnos impactor (2.56±0.20) agrees with that of chondrites (2 to 7), whereas Ir is depleted relative

  

Source: Claeys, Philippe - Department of Geology, Vrije Universiteit Brussel

 

Collection: Geosciences

 
53 JOURNAL OF AIRCRAFT Vol. 43, No. 6, NovemberDecember 2006
 

Summary:  the adequate size for the study. The load cell built into an instrumented impactor measures the force between... as impactor characteristics. This paper, resulting from research programs conducted over the years,3... - tion performance. Other usual delays result from the application of inadequate impactor ...

  

Source: Feraboli, Paolo - Department of Aeronautics and Astronautics, University of Washington at Seattle

 

Collection: Engineering

 
54 THE ENVIRONMENTAL TECHNOLOGY VERIFICATION U.S. Environmental Protection Agency
 

Summary:  particle concentrations from a test fabric were measured with an impactor equipped with appropriate... volumetric flow through the impactor. Particle size was measured while injecting the test dust into the air... dust with a measured mass mean aerodynamic diameter maximum of 1.5 m ...

  

Source: Environmental Protection Agency, Office of Research and Development (ORD)

 

Collection: Environmental Management and Restoration Technologies

 
55 JOURNAL DE PHYSIQUE IV Colloque C8, supplment au Journal de Physique m, Volume 4, septembre 1994 C8-249
 

Summary:  expands on that uniaxial data with time-resolved measurement of particle velocity histories of the shock... shock wave measurements of Brar, et al. [4], and shock compression studies of phase transformations... . Ultrasonic measurements on samples of this material indicate a longitudinal velocity of 10730m/s and a shear

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
56 DETERMINATION OF THE ACOUSTIC FLUIDIZATION PARAMETERS AS APPLIED TO IMPACTS ON THE ICY SATELLITES. V. J. Bray, G. S. Collins and J. V. Morgan. Department of Earth
 

Summary:  approach was to simulate vertical collisions of ice impactors into an ice target. Suites of models were... . Impactor type and velocity. Based on the local populations of cometary/meteoritic bodies, it is assumed... of state for ice was used for the impactor and target. JFCs are thought to impact Ganymede at an average

  

Source: Collins, Gareth - Department of Earth Science & Engineering, Imperial College, London

 

Collection: Geosciences

 
57 Models of high velocity impacts into dust-covered ice: Application to Martian northern lowlands
 

Summary:  is created on contact between the impactor and the target (Melosh, 1989). Part of the kinetic energy... corresponding strength, no strength is modeled between the individual layers. The impactor is modeled... by a homogenous sphere of undamaged dunite. Both the target and the impactor are initially in equilibrium. Gravity

  

Source: Byrne, Shane - Lunar and Planetary Laboratory, Department of Planetary Sciences, University of Arizona

 

Collection: Physics ; Geosciences

 
58 Atmos. Chem. Phys., 3, 623637, 2003 www.atmos-chem-phys.org/acp/3/623/ Atmospheric
 

Summary:  mass, measured by gravimetry, and total analysed mass. Impactor stages refer to the following size... compounds at each impactor stage. Table 3 summarises the measured air concentrations of neu- tral compounds... pressure Berner impactors. An original dual- substrate technique was ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
59 ICARUS 120, 140157 (1996) ARTICLE NO. 0042
 

Summary:  to its present remarkably rounded4, France. figure by collision with a population of impactors too small... up places it in the top 10% of measured asteroid rotation rates (Lagerkvist et al. 1989). Moreover... impactors of diameter D and collisionand Deimos for which efficient reaccretion from long-lived speed U

  

Source: Arizona, University of - Department of Planetary Sciences, Planetary Image Research Laboratory, Galileo HIIPS; Bottke, William F. - Department of Space Studies, Southwest Research Institute

 

Collection: Geosciences ; Physics

 
60 Dominance of organic aerosols in the marine boundary layer over the Gulf of Maine during NEAQS 2002 and their role in aerosol light
 

Summary:  mm. The RH of the sampled air stream was measured a few inches upstream from the impactors... of the AMS POM measurements with the impactor OC measurements (section 2.2.3) for the data used... ]) and the measured component mass from the impactors ...

  

Source: National Oceanic and Atmospheric Administration, Pacific Marine Environmental Laboratory, Atmopsheric Chemistry and Global Change Program

 

Collection: Geosciences ; Environmental Sciences and Ecology


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61 GEOPHYSICAL RESEARCH LETTERS, VOL. 9, NO. 10, PAGES 1207-1210, OCTOBEX 1982 PARTICLE SIZE DISTRIBUTION OF NITRATE AND SULFATE IN THE MARINE ATMOSPHERE
 

Summary:  . Sampling and Analysis Cascade impactor samples were collected with a Weather Measure Corp. Model 235 High... of Marine and Atmospheric Science, University of Miami, Miami, Florida 33149 Abstract. Cascade impactor... with high volume cascade impactors during 1974 and 1981. The 1974 samples were collected a t ...

  

Source: Prospero, Joseph M. - Rosenstiel School of Marine and Atmospheric Sciences, University of Miami

 

Collection: Environmental Sciences and Ecology ; Geosciences

 
62 5, 37733809, 2005 Size distribution of
 

Summary:  in parallel with impactor- and filter-based5 methods indicates that the correction of pyrolysis seems to work... for the impactor sam- ples despite non even deposits. The size distributions of the concentrations of EC and OC... ., 2005a 1 , b). In this paper, we are presenting results of EC and OC measurements conducted on ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
63 The University of Western Ontario DEPARTMENT OF PHYSICS AND ASTRONOMY
 

Summary:  these measurements will have in understanding climate change. Furthermore, I will also consider global warming... an impactor in these discussions, and this too will be considered. DONUTS WILL BE AVAILABLE #12;

  

Source: Lennard, William N. - Department of Physics and Astronomy, University of Western Ontario

 

Collection: Materials Science ; Physics

 
64 ICARUS 126, 138147 (1997) ARTICLE NO. IS965636
 

Summary:  . If the diameter of the Before the collision of Comet Shoemaker­Levy 9 impactor corresponds to 8 resolution... required across the diameter of the impactor. This result is and Zahnle 1994, Crawford et al. 1994). All... process in the breakup of the impactor. In theWaves 4, 47­50), where KH instabilities appear

  

Source: Stewart, Sarah T. - Department of Earth and Planetary Sciences, Harvard University

 

Collection: Geosciences ; Physics

 
65 SUPPLEMENTARY INFORMATION doi: 10.1038/ngeo746
 

Summary:  projectile radius (cppr) for our ice/ice simulations, and is initially focused on the impactor and the impact... ice impactor and an ice half-space at vi = 5 km/s. b, same as a, for vi = 30 km/s. Warm colors... the radius and depth of burial as non-dimensional parameters, = rcr/rp and = zcr/rp, scaled by impactor

  

Source: Barr, Amy C. - Southwest Research Institute

 

Collection: Physics ; Geosciences

 
66 THE EFFECT OF BUDESONIDE PARTICLE MASS ON DRUG PARTICLE DETACHMENT FROM CARRIER
 

Summary:  and the measured FPF's, due to fine particle losses in the inhaler's mouthpiece, the induction port to the impactor... and the connecting tubes between the impactor stages. Therefore, residual drug fractions and measured FPF... measured decreasing amounts of residual drug on the carrier ...

  

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

 

Collection: Biology and Medicine ; Environmental Sciences and Ecology

 
67 Characterisation of impact response of metallic foam/ceramic laminates
 

Summary:  an instrumented falling weight apparatus. The system consists of a hemispherical tipped impactor attached... to a crosshead. Steel tups with a diameter of 10 mm and a mass of 75 g were used for all tests. The impactor... by a pair of light gates was used to measure the impact velocity just before impact. From the time interval

  

Source: Cambridge, University of - Department of Materials Science and Metallurgy, Composites and Coatings Group

 

Collection: Materials Science

 
68 J.PHYS IV FRANCE 7 (1997) Colloque C3, SupplCment au Journal de Physique I11 d'aoQt 1997
 

Summary:  velocity range 10 - 400 rnlsec. The free surface velocity of the samples was measured by the laser velocity... . The polyurethane sheets of 5.2-mm thickness (in several experiments the samples and the impactors were made... of the polyurethane was 1200 kg/m3, the sound velocity measured at the frequency 5MHz was Co = 1800 m/sec. ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
69 Cassini Dust Measurements at Enceladus and Implications for the
 

Summary:  REPORT Cassini Dust Measurements at Enceladus and Implications for the Origin of the E Ring Frank... as the main source of that faint ring. In situ dust measurements at Enceladus with the dust detector aboard... on measurements carried out with the High Rate Detector (HRD) of the Cosmic Dust Analyzer (CDA) during the flyby

  

Source: Potsdam, Universität - Institut für Physik, Arbeitsgruppe Nichtlineare Dynamik

 

Collection: Physics

 
70 5, 39213957, 2005 SEM/EDX and Ba of
 

Summary:  ­ 2004 winter using a Dekati PM10 cascade impactor which allows to discriminate four level of particle... , for which the visible (from 400 nm to 650 nm) light absorption coefficients were measured using... site was in the campus of the Valladolid University and the impactor was located on a little terrace

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
71 IMPACT CRATERING THEORY AND MODELING FOR THE DEEP IMPACT MISSION: FROM MISSION PLANNING TO DATA ANALYSIS
 

Summary:  . Cratering theory has strongly influenced the impactor design, producing a probe that should produce... the 360 kg Deep Impact impactor strikes Tempel 1 at 10.2 km/s in early July 2005. 2. Scaling Relations... of the same materials as the Deep Impact impactor and striking a target of the same composition as the comet

  

Source: Richardson Jr., James E. - Department of Astronomy, Cornell University

 

Collection: Physics

 
72 Materials Science and Engineering A 524 (2009) 108111 Contents lists available at ScienceDirect
 

Summary:  is the measured initial impact velocity and m is the mass of the impactor system which is accelerated during... on these curves, the stress­strain response at impact may be obtained. This method is able to measure strain... instrumented tensile­impact technique has been modified and the new instru- mentation is able to ...

  

Source: Illes Balears, Universitat de les, Departament de Física, Applied Physics

 

Collection: Mathematics ; Materials Science

 
73 A New Era in Bioastronomy ASP Conference Series, Vol. 213, 2000
 

Summary:  kg impactor to create a crater on the nucleus of comet P/Tempel 1 to reveal sub­surface materials... the crater forms, (ii) document the final state of the crater, (iii) measure the composition of the hot... will carry a 500 kg copper impactor. The impactor will be released on 2005 July 3 when the ...

  

Source: Meech, Karen Jean - Institute for Astronomy, University of Hawai'i at Manoa

 

Collection: Physics

 
74 A New Era in Bioastronomy ASP Conference Series, Vol. 213, 2000
 

Summary:  impactor to create a crater on the nucleus of comet P Tempel 1 to reveal sub-surface materials. Our primary... document the nal state of the crater, iii measure the composition of the hot ejecta from the crater, and iv... , and will swing by Earth on 2004 Dec 30. The spacecraft will carry a 500kg copper impactor. The ...

  

Source: Meech, Karen Jean - Institute for Astronomy, University of Hawai'i at Manoa

 

Collection: Physics

 
75 2, 21672208, 2002 Chemical mass
 

Summary:  impactor. In the same region, Heintzenberg et al. (1998) measured the aerosol mass distribution with a high... compounds at each impactor stage. Table 3 summarises the measured air concentrations of neutral compounds,25... Berner impactors. An original dual-substrate technique was ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
76 1 The Meteoritical Society, 2009. Printed in USA. Meteoritics & Planetary Science 44, Nr 12, 1crossref to last page (2009)
 

Summary:  ://meteoritics.org Composition of 298 Baptistina: Implications for the K/T impactor link Vishnu REDDY1* , Joshua P. EMERY2... the last ~120 Myr. This result led them to propose that the impactor that produced the Cretaceous... ). This weakens the case for 298 Baptistina being a CM2 carbonaceous chondrite and its link to the K/T ...

  

Source: Bottke, William F. - Department of Space Studies, Southwest Research Institute

 

Collection: Physics ; Geosciences

 
77 Atmos. Chem. Phys., 7, 25512561, 2007 www.atmos-chem-phys.net/7/2551/2007/
 

Summary:  and methodology of measurements Aerosol samples were collected using a Small-Deposit-area low-volume-Impactor (SDI... ­2006) size segregated measurements of aerosol mass at a remote coastal station in the southern Europe... , with the use of size-selective samplings (SDI impactor). Seven distinct modes were ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
78 Deformation rate effects on failure modes of open-cell Al foams and textile cellular materials
 

Summary:  with a discontinuous measurement technique using images captured by the high-speed camera. The velocity of the impactor... faster than the impactor as the volume of crushed cells expands. In order to measure the stress behind... into the stress his- tory measurements. We show that the ...

  

Source: Barthelat, Francois - Department of Mechanical Engineering, McGill University; Espinosa, Horacio D. - Department of Mechanical Engineering, Northwestern University; Wadley, Haydn - Intelligent Processing of Materials Laboratory & Department of Materials Science and Engineering, University of Virginia

 

Collection: Engineering ; Materials Science

 
79 Aerosol Science and Technology 35: 718727 (2001) c 2001 American Association for Aerosol Research
 

Summary:  of the impactor is spiked with a known amount of lithium uoride and the IC measurement of the lithium... Measurement of Aerosol Bulk Chemical Composition R. J. Weber,1 D. Orsini,1 Y. Daun,1 Y.-N. Lee,2 P. J. Klotz,2... on a new instrument developed for rapid automated on-line and continuous measurement of ...

  

Source: Weber, Rodney - School of Earth and Atmospheric Sciences, Georgia Institute of Technology

 

Collection: Environmental Sciences and Ecology

 
80 Aerosol Science and Technology 35: 718727 (2001) c 2001 American Association for Aerosol Research
 

Summary:  of the impactor is spiked with a known amount of lithium uoride and the IC measurement of the lithium... Measurement of Aerosol Bulk Chemical Composition R. J. Weber,1 D. Orsini,1 Y. Daun,1 Y.-N. Lee,2 P. J. Klotz,2... on a new instrument developed for rapid automated on-line and continuous measurement of ...

  

Source: Brookhaven National Laboratory, Environmental Chemistry Division, Department of Applied Science

 

Collection: Environmental Sciences and Ecology


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81 Atmos. Chem. Phys., 5, 27392748, 2005 www.atmos-chem-phys.org/acp/5/2739/
 

Summary:  , Spain, during the winter of 2003­ 2004. The measurements were made with a Dekati PM10 cascade impactor... nm) light absorption coefficients were measured using the integrating plate technique. We have made... some en- hancements in the illumination system of this measurement system. The absorption ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
82 Meteoritics & Planetary Science 39, Nr 2, 233246 (2004) Abstract available online at http://meteoritics.org
 

Summary:  preferred strength scaling model yields an impact velocity of 33 km/s and impactor radius of 9 m for an iron... ). The free- surface velocity pullback signal method measures the drop in the target's free-surface velocity... examination measures the pre- and post-shot ultrasonic velocities of the samples and relates the shock

  

Source: Stewart, Sarah T. - Department of Earth and Planetary Sciences, Harvard University

 

Collection: Geosciences ; Physics

 
83 Atmospheric Environment 37 (2003) 12431259 Refinements to the particle-into-liquid sampler (PILS)
 

Summary:  lithium and/or fluoride exiting the impactor, the added water is taken into account and the measured... ) for ground and airborne measurements of water soluble aerosol composition Douglas A. Orsinia , Yilin Maa... for rapid measurements of soluble aerosol chemical composition. Major modifications made to the ...

  

Source: Brookhaven National Laboratory, Environmental Chemistry Division, Department of Applied Science; Weber, Rodney - School of Earth and Atmospheric Sciences, Georgia Institute of Technology

 

Collection: Environmental Sciences and Ecology

 
84 ORIGINAL ARTICLE Chelated iron sources are inhibitors of Pseudomonas
 

Summary:  to measure the rela- tive fraction of chelate in each plate of the Andersen cascade impactor Chelate of iron... in an Anderson cascade impactor model of parti- cle size distribution in the human lung. Conclusions: Ferric... in an Andersen cascade impactor model. The most potent chelated iron sources were ...

  

Source: Hergenrother, Paul J. - Department of Chemistry, University of Illinois at Urbana-Champaign

 

Collection: Chemistry

 
85 OCCUPATIONAL HYGIENE AT A DRY WASTE TREATMENT PLANT IN FINLAND Outi K. Tolvanen
 

Summary:  the six-stage impactor was used for sampling, measurement times ranged from 60 s. to 5 min. The flow rate... the company has carrying out occupational hygiene measurements in the dry waste plant as a mean of monitoring... determined with an Andersen six-stage impactor and by the CAMNEA method. The fungi were ...

  

Source: Columbia University - Waste-to-Energy Research and Technology Council (WTERT)

 

Collection: Renewable Energy

 
86 JOURNAL DE PHYSIQUE IV Colloque C8, supplkment au Jou~nalde Physique III, Volume 4, septembre 1994
 

Summary:  drive the secondary impactor, has been developed. It is called the two stage electric gun, but its... heavier impactor has a lower velocity than that for the common one stage electric gun. It breaks... speed (loZm/ s) sub-millimeter thick metallic impactors for elastic-plastic dynamics and dynamic

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
87 JOURNALDE PHYSIQUE IV ColloqueC8, suppldmentau Journal de PhysiqueD[I,Volume 4, septembre 1994
 

Summary:  using manganin gauges. Free surface wave profiles were measured by Dopplervelocityinterferometryat... of the shock front. The aim of the present study was to measure the dynamic compressibility, sound velocity... compressibilityand sound speed velocity at pressures of 5 - 22 GPa were measured using manganin gauges [91

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
88 Aerosol optical properties during INDOEX 1999: Means, variability, and controlling factors
 

Summary:  to be hygrophobic. [38] Using the aerosol chemical composition measured with seven-stage multijet cascade impactors... , and the combustion component were determined from the seven-stage impactor measurements coupled with the number size... Field Phase, measurements of aerosol properties ...

  

Source: National Oceanic and Atmospheric Administration, Pacific Marine Environmental Laboratory, Atmopsheric Chemistry and Global Change Program

 

Collection: Geosciences ; Environmental Sciences and Ecology

 
89 Aerosol Science and Technology, 38(S1):229238, 2004 Copyright c American Association for Aerosol Research
 

Summary:  humidity. Four dried and four "ambient" (or "wet") size distributions are measured each hour. No impactor... to the aerodynamic size distribution to substitute cascade impactor measurements. For this reason we concentrated our... SMPS­APScombinationwithsimultaneousmea- surements using a MOUDI cascade ...

  

Source: Stanier, Charlie - Chemical and Biochemical Engineering Department, University of Iowa

 

Collection: Geosciences ; Environmental Sciences and Ecology

 
90 2027 The Meteoritical Society, 2008. Printed in USA. Meteoritics & Planetary Science 43, Nr 12, 20272048 (2008)
 

Summary:  ­Ice thickness estimates and impactor dynamics indicate that some impacts must breach Europa's ice crust... 's center. There are no tiny chaos areas and no craters >50 km diameter. This suggests that small impactors... crater record; but it is expected to match that measured at Ganymede and Callisto (Schenk et al. 2004

  

Source: Cox, Rónadh - Department of Geosciences, Williams College

 

Collection: Geosciences

 
91 Isotopic outcomes of N-body accretion simulations: Constraints on equilibration processes during
 

Summary:  actually experiences. Simulations in which 1) even the largest impactors undergo re- equilibration... of Mars-size and smaller is that the bulk of the mass was delivered as impactors much smaller than... are consistent with our dynamical simulations if 1) even the largest impactors undergo re

  

Source: Agnor, Craig B. - Astronomy Unit, School of Mathematical Sciences, Queen Mary, University of London; Nimmo, Francis - Department of Earth Sciences, University of California at Santa Cruz

 

Collection: Geosciences ; Physics

 
92 Krivtsov, A. M.: Influence of Velocities Dispersion on Spall Strength of Material 511 ZAMM Z. angew. Math. Mech. 79 (1999) S2, 511512
 

Summary:  Strength of Material The base characteristics that can be measured in real time in the spall fracture... that can be measured also in nature Figure 1: The initial state of the pattern. experiments is the spall... the central part of the last particles row of the target (see Fig. 1, "measuring area"). Figure 2: ...

  

Source: Krivtsov, Anton M. - Institute for Problems in Mechanical Engineering, Russian Academy of Sciences

 

Collection: Engineering

 
93 J. Fluid Mech. (2002), vol. 462, pp. 307340. c 2002 Cambridge University Press DOI: 10.1017/S0022112002008339 Printed in the United Kingdom
 

Summary:  corresponds to the limit of detachment of the jet from the impactor. This detaching problem is discussed... Ethanol 1.08 5 20.8 4.2 Water 1.31 Table 2. Jet and impactor diameters with water and ethanol. Injector... Impactor (a) Valve (b) Pressurized air (P) Liquid (q,m, r) Flow- meter Pump Di Di0 hp ep = 0.4 mm w0 ­ p/2

  

Source: Clanet, Christophe - Institut de Recherche sur les Phénomènes Hors Equilibre

 

Collection: Physics ; Engineering

 
94 system, the origin of silicate minerals around stars, and mixing in circumstellar disks. The mineral
 

Summary:  - tailed crater morphology reflects the physical properties of the impactor(s). It also illustrates 15... brought about by impactors that range from dense objects, such as nonporous silicates of ~3 g cm­3... . 2B). Poly- mineralic impactors dominate even the smallest craters, some of which are <100 nm in size

  

Source: Floss, Christine - Laboratory for Space Sciences & Department of Physics, Washington University in St. Louis; Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

 

Collection: Physics

 
95 Final Report Energinet project 6517 (FU2206)
 

Summary:  for Environment and Resources at DTU who participated in the measuring campaigns at Avedøre Power Station... on the mechanism behind the nucleation in the literature. Using a specially designed high-temperature impactor... are determined using low-pressure cascade impactor and scanning mobility particle sizer. Chemical ...

  

Source: Risø National Laboratory

 

Collection: Multidisciplinary Databases and Resources

 
96 Summary, conclusions and some future perspectives There is a growing interest in the use of dry powder inhalers (dpi's) for inhalation
 

Summary:  particle fractions from inhalation systems are measured with cascade impactors. Impactors classify... in the therapeutic size range can be assessed. It is generally believed that the pharmacopoeial cascade impactor... procedures are well validated and that impactor data are predictive ...

  

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

 

Collection: Biology and Medicine ; Environmental Sciences and Ecology

 
97 Atmos. Chem. Phys., 6, 29812990, 2006 www.atmos-chem-phys.net/6/2981/2006/
 

Summary:  al.: Spectral absorption of organic carbon 2987 4 Measurements on impactor-deposited samples 4... to the impactor stage 2. The absorption values measured in the aerosol are included for comparison. 4.2 Results... stage 1, the right panels for impactor stage 2. For comparison, the abs() ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
98 doi:10.1016/j.gca.2004.11.024 An ordinary chondrite impactor for the Popigai crater, Siberia
 

Summary:  of the impactor was attempted by comparing the pattern and/or elemental ratios measured in impact-melt rock... doi:10.1016/j.gca.2004.11.024 An ordinary chondrite impactor for the Popigai crater, Siberia ROALD... S fire assay followed by inductively coupled plasma-mass spectrometry (ICP-MS). This technique ...

  

Source: Claeys, Philippe - Department of Geology, Vrije Universiteit Brussel

 

Collection: Geosciences

 
99 COLLISIONAL ORIGIN OF FAMILIES OF IRREGULAR SATELLITES David Nesvorny,1
 

Summary:  in the retrograde group are too low to explain them. Collisions with cometary impactors are even less likely. Groups... that the satellite families are remnants from early epochs of solar system formation when impactors were more... epochs of the solar system, when impactors were more numerous. To show that this scenario is ...

  

Source: Nesvorny, David - Department of Space Studies, Southwest Research Institute

 

Collection: Physics

 
100 JOURNAL DE PHYSIQUE IV Colloque C8, suppltment au Journal de Physique 111, Volume 4, septembre 1994
 

Summary:  in both the composite and pure aluminum samples of -5 GPa. Wave profiles are measured at a targetlwindow... performed using a 50-mm-diameter gas gun. Projectile velocity and tilt were measured immediately before... impactors, which were backed with PMMA, were used to generate an initial 5-GPa shock followed by release. Z

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics


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