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1

Radiation-induced bystander effect and adaptive response in mammalian cells  

E-Print Network (OSTI)

responses at low doses of radiation and have the potential to impact the shape of the dose the actual target and radiation dose effect and can contribute to our current understanding in radiation risk provide the best estimate of cancer risk over the dose range from 20 to 250 cGy. The cancer risk at doses

2

E-Print Network 3.0 - adaptive response induced Sample Search...  

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Yin and Yang of Low-Dose Radiobiology Tom K. Hei1,2 Summary: and adaptive response. Radiation-induced bystander effect is defined as the induction of biological effects... the...

3

E-Print Network 3.0 - adaptive responses induced Sample Search...  

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Yin and Yang of Low-Dose Radiobiology Tom K. Hei1,2 Summary: and adaptive response. Radiation-induced bystander effect is defined as the induction of biological effects... the...

4

The Circadian Rhythm, A Continuous Transcription-Translation Feedback Loop, Contributes to Low-Dose Radiation-Induced Radioadaptive Response  

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The Circadian Rhythm, A Continuous Transcription-Translation Feedback Loop, Contributes to Low-Dose Radiation-Induced Radioadaptive Response Aris Alexandrou and Jian Jian Li Department of Radiation Oncology, the University of California Davis, Sacramento, California, 95817 The initiation of the circadian rhythm field occurred when the Takahashi group defined a mutation in the mouse gene "Clock" and cloned the circadian locomotor output cycles kaput (Clock) in the mid- 1990's (1-3). Currently more than a dozen clock genes have been identified (3-4). Disruptions in the circadian rhythm via changes in environmental conditions, such as, diet, temperature, and night/day hours lead to the pathogenesis of a multitude of diseases, such as, cancer, diabetes mellitus,

5

A Critical Examination of the Adaptive Response for Cytogenetic Damagein Human Cells, and Insights into the Adaptive Response Mechanism  

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Critical Examination of the Adaptive Response for Cytogenetic Damage Critical Examination of the Adaptive Response for Cytogenetic Damage in Human Cells, and Insights into the Adaptive Response Mechanism Björn E. Rydberg, Torsten Groesser, Antoine Snijders, Kelly Trego, Ju Han, Do Yup Lee, Bahram Parvin, Trent Northen, Andrew J. Wyrobek, and Priscilla K. Cooper Berkeley Lab SFA P.I.: Gary Karpen Life Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 Goal: Task 1 of the Berkeley Lab SFA is designed to identify adaptive response (AR) mechanisms that may affect risk of developing radiation-induced cancer and to assess the linearity with dose of processes that influence mammary gland carcinogenesis. We use both in vitro and in vivo experimental systems in a parallelogram strategy. Our human cell culture

6

Low Dose Radiation Induced DNA Damage Signaling and Repair Responses in  

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Induced DNA Damage Signaling and Repair Responses in Induced DNA Damage Signaling and Repair Responses in Human 3-Dimensional Skin Model System Yanrong Su, Jarah Meador and Adayabalam S. Balajee Center for Radiological Research, College of Physicians and Surgeons, Columbia University, 630 West, 168th Street, New York, NY 10032. Exposure to ionizing radiation (IR) inflicts a wide variety of lesions in the genomic DNA. Among them, DNA double strand break (DSB) is considered to be the critical lesion for most of the deleterious radiation effects including carcinogenesis. Much of our knowledge on induction and repair kinetics of DSB has come from studies in two dimensional cell culture systems. However, the damage signaling and repair responses to DSB in tissue microenvironment are largely unknown. Knowledge of tissue responses to

7

A Critical Examination of the Adaptive Response for Cytogenetic Damage in  

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Critical Examination of the Adaptive Response for Cytogenetic Damage in Critical Examination of the Adaptive Response for Cytogenetic Damage in Human Cells, and Insights into the Adaptive Response Mechanism Björn E. Rydberg Lawrence Berkeley National Laboratory Abstract Goal: Task 1 of the Berkeley Lab SFA is designed to identify adaptive response (AR) mechanisms that may affect risk of developing radiation-induced cancer and to assess the linearity with dose of processes that influence mammary gland carcinogenesis. We use both in vitro and in vivo experimental systems in a parallelogram strategy. Our human cell culture model will elucidate the molecular mechanisms of the AR and investigate the relationships in target vs. non-target cells between a range of cancer-relevant endpoints potentially affected by adaptation such

8

Radiation-Induced Bystander Effects and Relevance to Human Radiation  

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Radiation-Induced Bystander Effects and Relevance to Human Radiation Radiation-Induced Bystander Effects and Relevance to Human Radiation Exposures Review of phenomenon appears in Radiation Research Pamela Sykes and Benjamin Blyth One concern of radiobiologists is the effect radiation exposure might have on nearby unirradiated cells. For example, when only a small fraction of cells are directly hit by radiation energy, are the surrounding unirradiated cells also at an increased risk of cancer? The term "radiation-induced bystander effect" is used to describe radiation-induced biological changes that occur in unirradiated cells within an irradiated cell population. Radiation-induced bystander effects have become established in the vernacular and are considered as an authentic radiation response. However, there is still no consensus on a precise definition of the term, which

9

Prevention of Low Dose Radiation-Induced Genomic Instability with Clinically Relevant Non-Protein Thiols and Vitamin E.  

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Prevention of Low Dose Radiation-Induced Genomic Instability with Clinically Relevant Prevention of Low Dose Radiation-Induced Genomic Instability with Clinically Relevant Non-Protein Thiols and Vitamin E. J.S. Murley 1 , Y. Kataoka 1 , W.F. Morgan 2 , and D.J. Grdina 1 . The University of Chicago, Chicago, IL 1 , The University of Maryland Medical School, Baltimore, MD 2 Induced or delayed radioprotection is a novel phenomenon that shares many similarities with the low dose radiation-induced radiobiological phenomenon referred to as the adaptive response. Induced or delayed radioprotection is defined as an enhancement in the radiation resistance of cells at long times following their exposure to non-protein thiols (NPT) such as WR1065, the free thiol form of amifostine. This effect is the result of the induction of a cascade of intracellular

10

{sub p}53-Dependent Adaptive Responses in Human Cells Exposed to Space Radiations  

SciTech Connect

Purpose: It has been reported that priming irradiation or conditioning irradiation with a low dose of X-rays in the range of 0.02-0.1 Gy induces a p53-dependent adaptive response in mammalian cells. The aim of the present study was to clarify the effect of space radiations on the adaptive response. Methods and Materials: Two human lymphoblastoid cell lines were used; one cell line bears a wild-type p53 (wtp53) gene, and another cell line bears a mutated p53 (mp53) gene. The cells were frozen during transportation on the space shuttle and while in orbit in the International Space Station freezer for 133 days between November 15, 2008 and March 29, 2009. After the frozen samples were returned to Earth, the cells were cultured for 6 h and then exposed to a challenging X-ray-irradiation (2 Gy). Cellular sensitivity, apoptosis, and chromosome aberrations were scored using dye-exclusion assays, Hoechst33342 staining assays, and chromosomal banding techniques, respectively. Results: In cells exposed to space radiations, adaptive responses such as the induction of radioresistance and the depression of radiation-induced apoptosis and chromosome aberrations were observed in wtp53 cells but not in mp53 cells. Conclusion: These results have confirmed the hypothesis that p53-dependent adaptive responses are apparently induced by space radiations within a specific range of low doses. The cells exhibited this effect owing to space radiations exposure, even though the doses in space were very low.

Takahashi, Akihisa [Department of Biology, School of Medicine, Nara Medical University, Nara (Japan); Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Ibaraki (Japan); Su Xiaoming [Department of Biology, School of Medicine, Nara Medical University, Nara (Japan); Suzuki, Hiromi [Japan Space Forum, Tokyo (Japan); Space Environmental Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima (Japan); Omori, Katsunori [Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Ibaraki (Japan); Seki, Masaya; Hashizume, Toko [Space Environmental Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima (Japan); Advanced Engineering Services Company, Limited, Ibaraki (Japan); Shimazu, Toru [Japan Space Forum, Tokyo (Japan); Ishioka, Noriaki [Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Ibaraki (Japan); Space Environmental Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima (Japan); Iwasaki, Toshiyasu [Radiation Safety Research Center, Nuclear Technology Research Laboratory, Central Research Institute of the Electric Power Industry of Japan, Tokyo (Japan); Ohnishi, Takeo, E-mail: tohnishi@naramed-u.ac.j [Department of Radiation Oncology, School of Medicine, Nara Medical University, Nara (Japan); Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Ibaraki (Japan)

2010-11-15T23:59:59.000Z

11

Adaptive Response Against Spontaneous Neoplastic Transformation In Vitro Induced by Ionizing Radiation  

SciTech Connect

The goal of this project was to establish a dose response curve for radiation-induced neoplastic transformation of HeLa x skin fibroblast human hybrid cells in vitro under experimental conditions were an adaptive response, if it were induced, would have an opportunity to be expressed. During the first two years of the grant an exhaustive series of experiments were performed and the resulting data were reported at the 2000 Annual Meeting of the Radiation Research Society and then Subsequently published. The data showed that an adaptive response against spontaneous neoplastic transformation was seen up to doses of 10cGy of Cs-137 gamma rays. At dose of 30, 50 and 100 cGy the transformation frequencies were above background. This indicated that for this system, under the specific experimental conditions used, there was a threshold of somewhere between 10 and 30 cGy. The results also indicated some unexpected, though very interesting, correlations with relative risk estimates made from human epidemiologic studies.

J. Leslie Redpath, Ph.D.

2003-11-10T23:59:59.000Z

12

Study Shows Roles of Receptor, Thiol on Adaptive Response  

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Study Shows Roles of Receptor, Thiol on Adaptive Response Study Shows Roles of Receptor, Thiol on Adaptive Response Jeffrey Murley Jeffrey Murley, Ph.D. David Grdina, Ph.D. Low Dose program-supported scientists at The University of Chicago have gained more insight into adaptive protective responses indicating the role of oxidative stress, the role of reactive oxygen species (ROS), and the induction of SOD2 (manganese Superoxide Dismutase) activity. These changes are central to the production of adaptive protective responses. Why Study Adaptive Response? Exposing cells to low doses of ionizing radiation has been reported to elevate resistance to genomic damage when the same cells are subsequently exposed to a much higher dose of radiation. This phenomenon, called adaptive response, is characterized by an increase

13

Biological Basis for Radiation Adaptive Responses that Protect Against  

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Basis for Radiation Adaptive Responses that Protect Against Basis for Radiation Adaptive Responses that Protect Against Bronchial Epithelial Cell Transformation Wenshu Chen Lovelace Respiratory Research Institute Abstract The major hypothesis in this project is that low-dose, low linear-energy-transfer (LET) radiation stimulates an adaptive response that protects cells from neoplastic transformation involving modulation of paracrine factors (e.g., cytokines), cell survival/death signaling pathways, and reprogramming of the epigenome. To test this hypothesis, a validated, sensitive in vitro transformation model and a media transfer method were used to study the mechanisms of low-LET gamma radiation activated natural protection (ANP) against chemical carcinogen-induced bronchial cell transformation. Immortalized human bronchial epithelial cell

14

Molecular Mechanism Underlying Cellular Adaptive Response to Low Dose Radiation  

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Mechanism Underlying Cellular Adaptive Response to Low Dose Radiation Mechanism Underlying Cellular Adaptive Response to Low Dose Radiation Colette A. Sacksteder § , DJ Black ‡ , Heather Smallwood § , David G. Camp II † , and Thomas C. Squier § § Cell Biology and Biochemistry; † Biological Sciences Division Pacific Northwest National Laboratory, Richland WA 99352 ‡ School of Biological Sciences, University of Missouri, Kansas City MO 64110 The goal of this research is to identify the molecular mechanisms by which cells adapt to low dose radiation exposure. Previously we have shown a radiation dependent increase of Calmodulin (CaM) in RAW 264.7 macrophages (RAW). Therefore we hypothesize that CaM and associated signaling complexes are sensors of low-dose radiation, resulting in alterations in energy metabolism and gene expression. The ultimate experimental goal

15

Cell type dependent radiation induced signaling and its effect on tissue regulation  

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Cell type dependent radiation induced signaling and its effect on tissue regulation Cell type dependent radiation induced signaling and its effect on tissue regulation Marianne B. Sowa, Claere von Neubeck, R. Joe Robinson, Paula M. Koehler, Norman J. Karin, Xihai Wang, Katrina M. Waters and Harish Shankaran Ionizing radiation exposure triggers a cell signaling program which includes proliferation, the DNA damage response, and tissue remodeling. The activated signaling pathways lead to the induction of both protective effects as well as adverse consequences. A fundamental question is whether signaling cascades initiated by low doses are fundamentally different than those initiated by high doses. To address this question we have applied a systems biology approach to examine the radiation induced temporal responses of an in vitro three dimensional (3D) human skin tissue model. Using microarray-

16

Low Dose Radiation Research Program: Adaptive Response of Mouse Skin  

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Adaptive Response of Mouse Skin Epithelial Cells to Low Dose Adaptive Response of Mouse Skin Epithelial Cells to Low Dose Ionizing Radiation: Induction of NF-κB, MnSOD, 14-3-3ζ and Cyclin B1 Authors: Jian Jian Li, Kazi M. Ahmed, Ming Fan, Shaozhong Dong, Douglas R. Spitz, and Cheng-Rong Yu Institutions: Division of Molecular Radiobiology, Purdue University School of Health Sciences, West Lafayette, Indiana; Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, Iowa; Molecular Immunology Section, Laboratory of Immunology, National Eye Institute, National Institutes of Health, Bethesda, Maryland Gene expression profiles demonstrate that a group of key stress-responsive genes are associated with radiation exposure and may contribute to cellular

17

E-Print Network 3.0 - adaptive response ar Sample Search Results  

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of adaptation could approximate the ARs of P-cells on a single-trial basis in response to a richer stimulus... and color-sensitive pathway) showed response adaptation with...

18

Radiation-induced electron migration along DNA  

SciTech Connect

Radiation-induced electron migration along DNA is a mechanism by which randomly produced stochastic energy deposition events can lead to nonrandom types of damage along DNA manifested distal to the sites of the initial energy deposition. Electron migration along DNA is significantly influenced by the DNA base sequence and DNA conformation. Migration along 7 base pairs in oligonucleotides containing guanine bases was observed for oligonucleotides irradiated in solution which compares to average migration distances of 6 to 10 bases for Escherichia coli DNA irradiated in solution and 5.5 base pairs for Escherichia coli DNA irradiated in cells. Evidence also suggests that electron migration can occur preferentially in the 5{prime} to 3{prime} direction along DNA. Our continued efforts will provide information regarding the contribution of electron transfer along DNA to formation of locally multiply damaged sites created in DNA by exposure to ionizing radiation.

Fuciarelli, A.F.; Sisk, E.C.; Miller, J.H. [Pacific Northwest Lab., Richland, WA (United States); Zimbrick, J.D. [National Research Council, Washington, DC (United States)

1994-04-01T23:59:59.000Z

19

Modulating radiation induced TGFβ and ATM signaling in the DNA damage  

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Modulating radiation induced TGFβ and ATM signaling in the DNA damage Modulating radiation induced TGFβ and ATM signaling in the DNA damage response Jennifer A. Anderson Gray Institute for Radiation Oncology and Biology Abstract Both the ATM and TGFβ signal transduction pathways are essential for cellular and tissue control responses to ionizing radiation and aberrant modifications to these pathways are extensive in cancer. We hypothesize that the ATM and TGFβ signaling pathways are fully induced at high doses of acute low-LET radiation, whereas only partially induced at low doses. Numerous studies have linked the p38 MAPK signaling pathway with the ATM DNA damage response, and others have shown that TGFβ stimulation results in the phosphorylation of p38 MAPK. Our aim is to perturb potential crosstalk between ATM, TGFβ and p38 MAPK at the DNA damage level and

20

Delayed Radiation-Induced Vasculitic Leukoencephalopathy  

SciTech Connect

Purpose: Recently, single-fraction, high-dosed focused radiation therapy such as that administered by Gamma Knife radiosurgery has been used increasingly for the treatment of metastatic brain cancer. Radiation therapy to the brain can cause delayed leukoencephalopathy, which carries its own significant morbidity and mortality. While radiosurgery-induced leukoencephalopathy is known to be clinically different from that following fractionated radiation, pathological differences are not well characterized. In this study, we aimed to integrate novel radiographic and histopathologic observations to gain a conceptual understanding of radiosurgery-induced leukoencephalopathy. Methods and Materials: We examined resected tissues of 10 patients treated at Yale New Haven Hospital between January 1, 2009, and June 30, 2010, for brain metastases that had been previously treated with Gamma Knife radiosurgery, who subsequently required surgical management of a symptomatic regrowing lesion. None of the patients showed pathological evidence of tumor recurrence. Clinical and magnetic resonance imaging data for each of the 10 patients were then studied retrospectively. Results: We provide evidence to show that radiosurgery-induced leukoencephalopathy may present as an advancing process that extends beyond the original high-dose radiation field. Neuropathologic examination of the resected tissue revealed traditionally known leukoencephalopathic changes including demyelination, coagulation necrosis, and vascular sclerosis. Unexpectedly, small and medium-sized vessels revealed transmural T-cell infiltration indicative of active vasculitis. Conclusions: We propose that the presence of a vasculitic component in association with radiation-induced leukoencephalopathy may facilitate the progressive nature of the condition. It may also explain the resemblance of delayed leukoencephalopathy with recurring tumor on virtually all imaging modalities used for posttreatment follow-up.

Rauch, Philipp J. [Departments of Pathology and Neurosurgery, Yale University School of Medicine, New Haven, Connecticut (United States); Faculty of Medicine, University of Heidelberg, Heidelberg (Germany); Park, Henry S. [Departments of Pathology and Neurosurgery, Yale University School of Medicine, New Haven, Connecticut (United States); Knisely, Jonathan P.S. [Department of Radiation Medicine, North Shore University Hospital, Manhasset, New York (United States); Chiang, Veronica L. [Departments of Pathology and Neurosurgery, Yale University School of Medicine, New Haven, Connecticut (United States); Vortmeyer, Alexander O., E-mail: alexander.vortmeyer@yale.edu [Departments of Pathology and Neurosurgery, Yale University School of Medicine, New Haven, Connecticut (United States)

2012-05-01T23:59:59.000Z

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Solar radiation induces sublethal injury in Escherichia coli in seawater.  

Science Journals Connector (OSTI)

...after cells were exposed to solar radiation. Injury was detected...030670-05$02.00/0 Solar Radiation Induces Sublethal...Harvard University, Cambridge, Massachusetts 02138 Sublethal injury was...after cells were exposed to solar radiation. Injury was detected...

R B Kapuscinski; R Mitchell

1981-03-01T23:59:59.000Z

22

Radiation induced by relativistic beams passing over a diffraction...  

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August 2000 FEL 2000 1 Radiation Induced by Relativistic Beams Passing Over a Diffraction Grating J.H. Brownell, J. Walsh, J. Swartz, S. Trotz Dept. of Physics and Astronomy,...

23

Radiation induced strand breakage analyzed by tunel technique  

E-Print Network (OSTI)

RADIATION INDUCED STRAND BREAKAGE ANALYZED BY TUNEL TECHNIQUE A Thesis MAtuSSA DAWN REYNOLDS Submitted to the 015ce of Graduate Studies of Texas Ad. M University in partial fu1611ment of the requirements for the dree of MASTER OF SCIENCE May... 2003 Major Subject: Health Physics RADIATION INDUCED STRAND BREAKAGE ANALYZED BY TUNEL TECHNIQUE A Thesis MAtuSSA DAWN REYNOLDS Submitted to Texas %%:M University in partial fulfillmen of the requirements for the degree of MASTER OF SCIENCE...

Reynolds, Marissa Dawn

2003-01-01T23:59:59.000Z

24

Low Dose Radiation Research Program: Radiation-Induced Nuclear Factor kB  

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Radiation-Induced Nuclear Factor kB mediates survival advantage by Radiation-Induced Nuclear Factor kB mediates survival advantage by Telomerase Activation. Authors: Natarajan M.,1 Mohan S.,2 Pandeswara, S.L.,1 and Herman T.S.1 Institutions: Departments of 1Radiation Oncology and 2Pathology, The University of Texas Health Science Center, San Antonio, Texas Activation of NF-kB in response to low doses of ionizing radiation was first shown in our laboratory. Although studies have shown that NF-kB plays an important role in anti-apoptotic function, little has been done to understand the molecular link between the activation of NF-kB and cellular outcome such as enhanced cell survival after low dose low-linear transfer (LET) radiation. Because upregulation of telomerase activity is associated with longevity and allows cells to escape from senescence, we hypothesize

25

Low Dose Radiation Research Program: Low Dose Ionizing Radiation-Induced  

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Low Dose Ionizing Radiation-Induced Effects in Irradiated and Low Dose Ionizing Radiation-Induced Effects in Irradiated and Unirradiated cells: Pathways Analysis in Support of Risk Assessment. Authors: B.E. Lehnert, R. Cary, D. Gadbois, and G. Gupta. Institutions: Bioscience Division, Los Alamos National Laboratory. The scientific literature presents a confusing picture concerning health risks due to low dose ionizing radiation (LDIR), e.g., <1-10 cGy. Some effects of LDIR such as enhanced rates of cell proliferation and the induction of radioadaptation may be benign under some circumstances. Other evidence suggests LDIR can be hazardous and that a threshold for potentially detrimental responses, e.g., increases in intracellular reactive oxygen species (ROS), increases in sister chromatid exchanges (SCE), alterations in gene or protein expression profiles, and increased

26

Low Dose Responses in Human Cells and Molecular Mechanisms of Adaptation  

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Responses in Human Cells and Molecular Mechanisms of Adaptation Responses in Human Cells and Molecular Mechanisms of Adaptation Joe Gray Priscilla Cooper Lawrence Berkeley National Laboratory Abstract The radiation Adaptive Response (adaptation, or AR) is a well documented, although evidently highly variable, protective phenomenon in which exposures to low-dose or low-dose-rate ionizing radiation result in reduced deleterious effects of subsequent higher exposures. Protection has been reported against a variety of biologically important endpoints, but its variability as a function of cell and tissue type and its genetic control are not well understood. The adaptive response is predicted to result in a non-linear dose response for cancer risk in the low dose range. However, the molecular mechanism(s) remain unknown, and such information is

27

Low Dose Radiation Research Program: Frequencies of Radiation-Induced  

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Frequencies of Radiation-Induced Chromosome Interchanges and Frequencies of Radiation-Induced Chromosome Interchanges and Randomness of Chromosome Territory Locations Relative to One Another. Authors: RK Sachs,§ MN Cornforth,‡ KM Greulich-Bode,* L Hlatky, and DJ Brenner|| Institutions: §Department of Mathematics, University of California, ‡University of Texas Medical Branch, *Department of Skin Carcinogenesis, German Cancer Research Center DFCI, Harvard Medical School, ||Center for Radiological Research, Columbia University. Leukemogenesis, and perhaps carcinogenesis in general, often involves specific chromosome translocations. Radiation-induced chromosome translocation frequencies are strongly influenced by how close participating chromosomes are to one another in an interphase cell nucleus. We sought to determine whether chromosomes in human peripheral blood

28

A Survey of Radiation-Induced Bronchiolitis Obliterans Organizing Pneumonia Syndrome After Breast-Conserving Therapy in Japan  

Science Journals Connector (OSTI)

Purpose We observed a rare and unique occurrence of radiation-induced pulmonary injury outside the tangential field for early breast cancer treatment. The findings appeared to be idiopathic and were called radiation-induced bronchiolitis obliterans organizing pneumonia (BOOP) syndrome. We surveyed major hospitals in Japan to review their findings of radiation-induced BOOP, in particular the clinical and pictorial characteristics of the entity. Methods and Materials We reviewed surveys completed and returned by 20 institutions. The survey responses were based on a total of 37 cases of BOOP syndrome. We also reviewed X-ray and computed tomography scans provided by these institutions. We discussed the information derived from the questionnaire and analyzed patients' characteristics, methods used in the treatment of BOOP syndrome, and prognosis. Results The incidence of the radiation-induced BOOP syndrome was about 1.8% (37 of 2,056). We did not find a relationship between the characteristics of patients and the occurrence of radiation-induced BOOP syndrome. The pulmonary findings were classified into four patterns on chest computed tomography scans. Progression of the pulmonary lesions observed on chest X-ray was classified into three patterns. Pneumonitis appeared within 6 months after radiotherapy was completed and disappeared within 612 months after its onset. At 5-year follow-up, 2 patients had died, 1 of breast cancer and the other of interstitial pneumonitis, which seemed to be idiopathic and unrelated to the radiation-induced BOOP syndrome. Conclusions Although the incidence of BOOP syndrome and its associated prognosis are not significant, the patients' clinical condition must be carefully followed.

Etsuyo Ogo; Ritsuko Komaki; Kiminori Fujimoto; Masafumi Uchida; Toshi Abe; Katsumasa Nakamura; Michihide Mitsumori; Kenji Sekiguchi; Yuko Kaneyasu; Naofumi Hayabuchi

2008-01-01T23:59:59.000Z

29

E-Print Network 3.0 - adaptive survival responses Sample Search...  

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Computer Technologies and Information Sciences 8 Bystander effect and adaptive response in C3H 10TK cells S. A. MITCHELL, S. A. MARINO, D. J. BRENNER and E. J. HALL Summary:...

30

Amelioration of radiation-induced hematopoietic and gastrointestinal damage by Ex-RAD in mice  

Science Journals Connector (OSTI)

......subsyndrome [5, 6]. Other radiation-countermeasure drugs...gamma-tocotrienol, a naturally occurring vitamin E analog, protected mice from radiation-induced pancytopenia...that protect against radiation-induced hematopoietic...30] in mouse model. Naturally occurring vitamin E......

Sanchita P. Ghosh; Shilpa Kulkarni; Michael W. Perkins; Kevin Hieber; Roli L. Pessu; Kristen Gambles; Manoj Maniar; Tzu-Cheg Kao; Thomas M. Seed; K. Sree Kumar

2012-07-01T23:59:59.000Z

31

Modeling radiation-induced mixing at interfaces between low solubility metals  

E-Print Network (OSTI)

This thesis studies radiation-induced mixing at interfaces between low solubility metals using molecular dynamics (MD) computer simulations. It provides original contributions on the fundamental mechanisms of radiation-induced ...

Zhang, Liang, Ph. D. Massachusetts Institute of Technology

2014-01-01T23:59:59.000Z

32

Low dose ionizing radiation induces tumor growth promoting factors in  

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ionizing radiation induces tumor growth promoting factors in ionizing radiation induces tumor growth promoting factors in stress-induced premature senescent fibroblasts David Boothman University of Texas Southwestern Medical Center at Dallas Abstract Recent evidence suggest that the causes of cancer development are not limited to mutations within cancer cells, but also involve in alterations of cancer microenvironment. Senescent cells are irreversibly growth arrested, but remain metabolically active. Senescent cells, especially senescent fibroblasts in the stroma may provide a beneficial environment for tumor growth through secretion of certain factors. Accumulation of senescent cells in the stroma of patients repeatedly exposed to low doses of IR or low dose rates of IR, could be an important factor, causing alteration of the microenvironment that ultimately benefits tumor

33

Between adaptation and resistance : labor responses to globalization in France  

E-Print Network (OSTI)

This dissertation aims at accounting for labor responses to globalization in France. It addresses this issue through a comparative study of two labor organizations-the French Democratic Labor Confederation (CFDT) and the ...

Ancelovici, Marcos, 1971-

2008-01-01T23:59:59.000Z

34

Biological Basis for Radiation Adaptive Responses that Protect Against Bronchial Epithelial Cell Transformation  

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Basis for Radiation Adaptive Responses that Protect Against Bronchial Basis for Radiation Adaptive Responses that Protect Against Bronchial Epithelial Cell Transformation Wenshu Chen, Xiuling Xu, Lang Bai, Mabel T. Padilla, Carmen Tellez, Katherine M. Gott, Shuguang Leng, Julie A. Wilder, Steven A. Belinsky, Bobby R. Scott and Yong Lin, Lovelace Respiratory Research Institute, 2425 Ridgecrest Drive SE, Albuquerque, NM 87108 The major hypothesis in this project is that low-dose, low linear-energy-transfer (LET) radiation stimulates an adaptive response that protects cells from neoplastic transformation involving modulation of paracrine factors (e.g., cytokines), cell survival/death signaling pathways, and reprogramming of the epigenome. To test this hypothesis, a validated, sensitive in vitro transformation model and a media transfer

35

Measurements of prompt radiation induced conductivity of Kapton.  

SciTech Connect

We performed measurements of the prompt radiation induced conductivity in thin samples of Kapton (polyimide) at the Little Mountain Medusa LINAC facility in Ogden, UT. Three mil samples were irradiated with a 0.5 {mu}s pulse of 20 MeV electrons, yielding dose rates of 1E9 to 1E10 rad/s. We applied variable potentials up to 2 kV across the samples and measured the prompt conduction current. Analysis rendered prompt conductivity coefficients between 6E-17 and 2E-16 mhos/m per rad/s, depending on the dose rate and the pulse width.

Preston, Eric F. (ITT Corporation, Colorado Springs, CO); Zarick, Thomas Andrew; Sheridan, Timothy J.; Hartman, E. Frederick; Stringer, Thomas Arthur (ITT Corporation, Colorado Springs, CO)

2010-10-01T23:59:59.000Z

36

Adaptive microbial population shifts in response to a continuous ethanol blend release increases biodegradation potential  

E-Print Network (OSTI)

Adaptive microbial population shifts in response to a continuous ethanol blend release increases 2013 Accepted 28 March 2013 Keywords: Pyrosequencing Ethanol Microbial diversity Temperature a b s t r a pilot- scale continuous release (10 months) of a 10% v:v ethanol solution mixed with benzene and toluene

Alvarez, Pedro J.

37

E-Print Network 3.0 - attenuates ionizing radiation-induced Sample...  

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silica optical Summary: measurements and the so-called radiation-induced attenuation (RIA) measured in dBm. TSL measurements have been... measurements. Connections between...

38

Hydrogen peroxide significantly contributes to radiation-induced genomic instability  

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peroxide significantly contributes to radiation- peroxide significantly contributes to radiation- induced genomic instability Disha Dayal 1 , Sean M. Martin 1 , Sujatha Venkataraman 1 , Charles L. Limoli 2 , Douglas R Spitz 1 . 1 Free Radical and Radiation Biology Program, The University of Iowa, Iowa City, IA- 52246, 2 Department of Radiation Oncology, The University of California, Irvine, CA-92697 Chronic metabolic oxidative stress is associated with genomic instability following exposure to ionizing radiation (IR). Mitochondria have long been known to be a major source of reactive oxygen species (ROS) capable of causing oxidative stress. We hypothesized that radiation damages mitochondria, leading to oxidative stress and eventually genomic instability. This hypothesis is based on preliminary studies in parental

39

Use of radiation-induced polymers as friction reducing agents  

SciTech Connect

Drag reduction of fluids containing a water phase, e.g. hydrocarbon-in-water mixture, flowing through a conduit, is reduced by incorporating within the water phase a polymer obtained by radiation-induced polymerization of acrylamide, methacrylamide, acrylic acid, methacrylic acid, alkali metal salts thereof, or mixtures thereof. The polymerization is preferably carried out in 10-60% aqueous monomer solution with gamma radiation. The mixture of monomers, before radiation, preferably contains 25-99% acrylamide and 75-1% sodium acrylate. The polymer preferably shows viscoelastic effects at high concentrations in a solvent. Concentrations of about 1-10,000 ppm of the polymer in the water phase is desired. Examples of fluids useful with this invention include hydrocarbon-in-water and water -in-hydrocarbon slurries, the hydrocarbon is preferably comminuted oil shale or coal, congealed particles of crude oil and/or wax, viscous crude oil, etc.

Gogarty, W.B.; Knight, B.L.; Rhudy, J.S.

1980-12-02T23:59:59.000Z

40

Human Neural Stem Cell Transplantation Ameliorates Radiation-Induced Cognitive Dysfunction  

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...hypothesized that the relative radiation sensitivity of hippocampal...therapies to reduce radiation-induced normal tissue...cells has potential safety concerns such as teratoma...could safely attenuate radiation-induced cognitive...employing Ethovision XT software (v5.0; Noldus Information...

Munjal M. Acharya; Lori-Ann Christie; Mary L. Lan; Erich Giedzinski; John R. Fike; Susanna Rosi; and Charles L. Limoli

2011-07-15T23:59:59.000Z

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Bystander effect and adaptive response in C3H 10TK cells S. A. MITCHELL, S. A. MARINO, D. J. BRENNER and E. J. HALL  

E-Print Network (OSTI)

the bystander effect, adaptive response, genomic instabil- ity and low-dose hyper-radiosensitivity. These pheno

42

Investigation of Radiation-Induced Free Radicals and Luminescence Properties in Fresh Pomegranate Fruits  

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Radiation-induced free radicals and luminescence properties were investigated in ?-irradiated (03 kGy) pomegranate (Punica granatum L.) fruits. Photostimulated luminescence (PSL) analysis showed limited applicability, and only 3 kGy-irradiated ...

Hafiz M. Shahbaz; Kashif Akram; Jae-Jun Ahn; Joong-Ho Kwon

2013-04-09T23:59:59.000Z

43

Review of research on use of radiation-induced mutations in crop breeding in Japan  

Science Journals Connector (OSTI)

In Japan, the research on radiation-induced mutation has been conducted as one...32P, we now have various kinds of radiation facilities available for mutation breeding. The fundamental...

Takane Matsuo; Hikoyuki Yamaguchi

1962-10-01T23:59:59.000Z

44

PP2A regulates ionizing radiationinduced apoptosis through Ser46 phosphorylation of p53  

Science Journals Connector (OSTI)

...Articles PP2A regulates ionizing radiation-induced apoptosis through Ser46...virginia.edu 1 Department of Radiation Oncology and 2 Center for Cell...and Dental University, Tokyo, Japan). Radiation Treatment Cell cultures were irradiated...

Jun Mi; Elzbieta Bolesta; David L. Brautigan; and James M. Larner

2009-01-01T23:59:59.000Z

45

An Extract of Phyllanthus amarus Protects Mouse Chromosomes and Intestine from Radiation Induced Damages  

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......using Graphpad Instat 3 Software (San Diego, USA...Effect of P.amarus on radiation induced changes in the...Mr. M. Muthuvel, Radiation safety Officer, Amala Cancer...Withers, H. R. (1999) Radiation biology and treatment......

Kuzhuvelil Bhaskaran Nair Harikumar; Ramadasan Kuttan

2007-11-01T23:59:59.000Z

46

Identification of radiation-induced microRNA transcriptome by next-generation massively parallel sequencing  

Science Journals Connector (OSTI)

......induction of DNA damage and repair, cell cycle perturbation...performed using Illumina processing pipeline software (version 1.5...homologous recombination-mediated repair, and renders cells hypersensitive...Chaudhry MA . Base excision repair of ionizing radiation-induced......

M. Ahmad Chaudhry; Romaica A. Omaruddin; Christopher D. Brumbaugh; Muhammad A. Tariq; Nader Pourmand

2013-09-01T23:59:59.000Z

47

Synchrotron-Radiation Induced X-Ray Emission (SRIXE)  

SciTech Connect

Elemental analysis using emission of characteristic x rays is a well-established scientific method. The success of this analytical method is highly dependent on the properties of the source used to produce the x rays. X-ray tubes have long existed as a principal excitation source, but electron and proton beams have also been employed extensively. The development of the synchrotron radiation x-ray source that has taken place during the past 40 years has had a major impact on the general field of x-ray analysis. Even tier 40 years, science of x-ray analysis with synchrotron x-ray beams is by no means mature. Improvements being made to existing synchrotron facilities and the design and construction of new facilities promise to accelerate the development of the general scientific use of synchrotron x-ray sources for at least the next ten years. The effective use of the synchrotron source technology depends heavily on the use of high-performance computers for analysis and theoretical interpretation of the experimental data. Fortunately, computer technology has advanced at least as rapidly as the x-ray technology during the past 40 years and should continue to do so during the next decade. The combination of these technologies should bring about dramatic advances in many fields where synchrotron x-ray science is applied. It is interesting also to compare the growth and rate of acceptance of this particular research endeavor to the rates for other technological endeavors. Griibler [1997] cataloged the time required for introduction, diffusion,and acceptance of technological, economic, and social change and found mean values of 40 to 50 years. The introduction of the synchrotron source depends on both technical and non-technical factors, and the time scale at which this seems to be occurring is quite compatible with what is seen for other major innovations such as the railroad or the telegraph. It will be interesting to see how long the present rate of technological change and increase in scientific use can be maintained for the synchrotron x-ray source. A short summary of the present state of the synchrotron radiation-induced x-ray emission (SRIXE) method is presented here. Basically, SRIXE experiments can include any that depend on the detection. of characteristic x-rays produced by the incident x-ray beam born the synchrotron source as they interact with a sample. Thus, experiments done to measure elemental composition, chemical state, crystal, structure, and other sample parameters can be considered in a discussion of SRIXE. It is also clear that the experimentalist may well wish to use a variety of complementary techniques for study of a given sample. For this reason, discussion of computed microtomography (CMT) and x-ray diffraction is included here. It is hoped that this present discussion will serve as a succinct introduction to the basic ideas of SRIXE for those not working in the field and possibly help to stimulate new types of work by those starting in the field as well as by experienced practitioners of the art. The topics covered include short descriptions of (1) the properties of synchrotron radiation, (2) a description of facilities used for its production, (3) collimated microprobe, (4) focused microprobes, (5) continuum and monoenergetic excitation, (6) detection limits, (7) quantitation, (8) applications of SRIXE, (9) computed microtomography (CMT), and (10)chemical speciation using x-ray absorption near-edge structure (XANES) and extended x-ray absorption fine structure (EXAFS). An effort has been made to cite a wide variety of work from different laboratories to show the vital nature of the field.

Jones, Keith W.

1999-09-01T23:59:59.000Z

48

CXC Receptor 1 and 2 and Neutrophil Elastase Inhibitors Alter Radiation-induced Lung Disease in the Mouse  

SciTech Connect

Purpose: We previously reported increased numbers of neutrophils to be associated with the development of the radiation-induced lung responses of alveolitis (pneumonitis) and fibrosis in mice. In the present study we investigated whether CXC receptor 1 and 2 antagonism with DF2156A, a small molecule inhibitor of neutrophil chemotaxis, or the neutrophil elastase inhibitor sivelestat decreases the lung response to irradiation. Methods and Materials: KK/HIJ mice received 14 Gy whole-thorax irradiation, and a subset of them received drug treatment 3 times per week from the day of irradiation until they were killed because of respiratory distress symptoms. Results: Irradiated mice receiving sivelestat survived 18% longer than did mice receiving radiation alone (73 vs 60 days for female mice, 91 vs 79 days for male mice), whereas postirradiation survival times did not differ between the group of mice receiving DF2156A and the radiation-only group. The numbers of neutrophils in lung tissue and in bronchoalveolar lavage fluid did not differ among groups of irradiated mice, but they significantly exceeded the levels in unirradiated control mice. The extent of alveolitis, assessed histologically, did not differ between irradiated mice treated with either drug and those receiving radiation alone, when assessed at the end of the experiment, but it was significantly reduced, as were the neutrophil measures, in sivelestat-treated mice at the common kill time of 60 days after irradiation. Mice treated with radiation and DF2156A developed significantly less fibrosis than did mice receiving radiation alone, and this difference was associated with decreased expression of interleukin-13 in lung tissue. Conclusions: We conclude that neutrophil elastase inhibition affects alveolitis and prolongs survival, whereas CXCR1/2 antagonism reduces radiation-induced fibrotic lung disease in mice without affecting the onset of distress.

Fox, Jessica [Department of Medicine and the Meakins-Christie Laboratories, McGill University, Montreal, Quebec (Canada)] [Department of Medicine and the Meakins-Christie Laboratories, McGill University, Montreal, Quebec (Canada); Haston, Christina K., E-mail: christina.haston@mcgill.ca [Department of Medicine and the Meakins-Christie Laboratories, McGill University, Montreal, Quebec (Canada)

2013-01-01T23:59:59.000Z

49

Studies on Pentoxifylline and Tocopherol Combination for Radiation-Induced Heart Disease in Rats  

SciTech Connect

Purpose: To investigate whether the application of pentoxifylline (PTX) and tocopherol l (Vit. E) could modify the development of radiation-induced heart disease and downregulate the expression of transforming growth factor (TGF)-{beta}1mRNA in rats. Methods and Materials: A total of 120 Sprague-Dawley rats were separated into four groups: control group, irradiated group, experimental group 1, and experiment group 2. Supplementation was started 3 days before irradiation; in experimental group 1, injection of PTX (15 mg/kg/d) and Vit. E (5.5 mg/kg/d) continued till the 12th week postirradiation, whereas in experimental group 2 it was continued until the 24th week postirradiation. All rats were administrated a single dose of 20 Gy irradiation to the heart except the control group. Histopathologic evaluation was performed at various time points (Days 1, 2, 4, 8, and 12 and 24th week) up to 24 weeks after irradiation. Changes of levels of TGF-{beta}1 mRNA expression were also investigated at the same time points using competitive polymerase chain reaction. Results: Compared with the irradiated group, levels of TGF-{beta}1 mRNA of the rat hearts were relatively low in the two experimental groups on the 12th week postirradiation. In experimental group 1, there was a rebound expression of TGF-{beta}1 mRNA on the 24th week postirradiation, whereas that of the experimental group 2 remained low (p < 0.05). The proportions of collagen fibers of the two experimental groups were lower than that of irradiated group (p < 0.05). A rebound could be observed in the experimental group 1. Conclusion: PTX and Vit. E downregulated the expression of TGF-{beta}1 mRNA. The irradiated rat hearts showed a marked pathologic response to the drugs. The withdrawal of drugs in the 12th week postirradiation could cause rebound effects of the development of fibrosis.

Liu Hui [State Key Laboratory of Oncology in South China, Guangzhou, Guangdong (China); Department of Radiotherapy, Cancer Center, Sun Yat-sen University, Guangzhou, Guangdong (China); Xiong Mai [Department of Cardiac Surgery, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong (China); Xia Yunfei; Cui Nianji; Lu Rubiao [State Key Laboratory of Oncology in South China, Guangzhou, Guangdong (China); Department of Radiotherapy, Cancer Center, Sun Yat-sen University, Guangzhou, Guangdong (China); Deng Ling [State Key Laboratory of Oncology in South China, Guangzhou, Guangdong (China); Department of Pathology, Cancer Center, Sun Yat-sen University, Guangzhou, Guangdong (China); Lin Yuehao [State Key Laboratory of Oncology in South China, Guangzhou, Guangdong (China); Clinical Laboratory, Cancer Center, Sun Yat-sen University, Guangzhou, Guangdong (China); Rong Tiehua [State Key Laboratory of Oncology in South China, Guangzhou, Guangdong (China); Department of Thoracic Surgery, Cancer Center, Sun Yat-sen University, Guangzhou, Guangdong (China)], E-mail: esophagus2003@yahoo.com.cn

2009-04-01T23:59:59.000Z

50

A Nonhuman Primate Model of Human Radiation-Induced Venocclusive Liver Disease and Hepatocyte Injury  

SciTech Connect

Background: Human liver has an unusual sensitivity to radiation that limits its use in cancer therapy or in preconditioning for hepatocyte transplantation. Because the characteristic veno-occlusive lesions of radiation-induced liver disease do not occur in rodents, there has been no experimental model to investigate the limits of safe radiation therapy or explore the pathogenesis of hepatic veno-occlusive disease. Methods and Materials: We performed a dose-escalation study in a primate, the cynomolgus monkey, using hypofractionated stereotactic body radiotherapy in 13 animals. Results: At doses ?40 Gy, animals developed a systemic syndrome resembling human radiation-induced liver disease, consisting of decreased albumin, elevated alkaline phosphatase, loss of appetite, ascites, and normal bilirubin. Higher radiation doses were lethal, causing severe disease that required euthanasia approximately 10 weeks after radiation. Even at lower doses in which radiation-induced liver disease was mild or nonexistent, latent and significant injury to hepatocytes was demonstrated by asialoglycoprotein-mediated functional imaging. These monkeys developed hepatic failure with encephalopathy when they received parenteral nutrition containing high concentrations of glucose. Histologically, livers showed central obstruction via an unusual intimal swelling that progressed to central fibrosis. Conclusions: The cynomolgus monkey, as the first animal model of human veno-occlusive radiation-induced liver disease, provides a resource for characterizing the early changes and pathogenesis of venocclusion, for establishing nonlethal therapeutic dosages, and for examining experimental therapies to minimize radiation injury.

Yannam, Govardhana Rao [Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska (United States); Han, Bing [Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania (United States); Department of Hepatobiliary Surgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi (China); Setoyama, Kentaro [Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania (United States); Yamamoto, Toshiyuki [Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska (United States); Ito, Ryotaro; Brooks, Jenna M. [Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania (United States); Guzman-Lepe, Jorge [Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania (United States); Department of Pathology, Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania (United States); Galambos, Csaba [Department of Pathology, Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania (United States); Fong, Jason V. [Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania (United States); Deutsch, Melvin; Quader, Mubina A. [Department of Radiation Oncology, Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania (United States); Yamanouchi, Kosho [Department of Radiation Oncology, Albert Einstein College of Medicine, Bronx, New York (United States); Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, New York (United States); Kabarriti, Rafi; Mehta, Keyur [Department of Radiation Oncology, Albert Einstein College of Medicine, Bronx, New York (United States); Soto-Gutierrez, Alejandro [Department of Pathology, Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania (United States); McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania (United States); and others

2014-02-01T23:59:59.000Z

51

An investigation of solar radiation induced cell death in a human keratinocyte cell line  

Science Journals Connector (OSTI)

...Molecular Biology 64: Cell Death Regulators...investigation of solar radiation induced cell death in a human...Dublin Institute of Technology, Dublin, Ireland...basal and squamous cell carcinomas) accounting...radiation from non-solar type UV lamp sources...

Alanna Maguire; James Walsh; and Fiona M. Lyng

2006-04-15T23:59:59.000Z

52

Solar simulated radiation induced cell death depends on spectral distribution and irradiance but not output delivery  

Science Journals Connector (OSTI)

......research-article Papers Solar simulated radiation induced cell death depends...Dublin Institute of Technology, 13 Camden Row...with a second solar simulator and...Dublin Institute of Technology, Dublin 8, Ireland...S. Gov't | Cell Death Cells...effects Photobiology Solar Energy Ultraviolet......

Alanna Maguire; Fiona M. Lyng; James E. Walsh

2010-07-01T23:59:59.000Z

53

EXTRAPOLATING RADIATION-INDUCED CANCER RISKS FROM LOW DOSES TO VERY LOW DOSES  

E-Print Network (OSTI)

. Brenner* Abstract--There is strong evidence that ionizing radiation increases cancer risks at high doses. There exists a range of high radiation doses which demonstra- bly increase cancer risks, and a lower dose rangePaper EXTRAPOLATING RADIATION-INDUCED CANCER RISKS FROM LOW DOSES TO VERY LOW DOSES David J

Brenner, David Jonathan

54

Interleukin-12 Deficiency Is Permissive for Angiogenesis in UV Radiation-Induced Skin Tumors  

Science Journals Connector (OSTI)

...WTs. The proliferative capacity of tumor cells of the...angiogenesis| Introduction Solar UV radiation, particularly...and the proliferative capacity of the tumor cells using...higher proliferative capacity than cells obtained from...prevention and treatment of solar UV radiation-induced...

Syed M. Meeran; Suchitra Katiyar; Craig A. Elmets; and Santosh K. Katiyar

2007-04-15T23:59:59.000Z

55

Mutation Research 504 (2002) 91100 Bystander effects in radiation-induced genomic instability  

E-Print Network (OSTI)

Mutation Research 504 (2002) 91­100 Bystander effects in radiation-induced genomic instability recombination and other phenotypes associated with genomic instability. © 2002 Elsevier Science B.V. All rights reserved. Keywords: Bystander effects; Genomic instability; Ionizing radiation 1. Introduction Exposure

56

Radiation induced recombination centers in organic solar cells  

Science Journals Connector (OSTI)

Prolonged x-ray exposure of bulk heterojunction organic solar cells induces deep trap states that are observed in measurements of the photocurrent spectral response. The density of induced trap states is proportional to the density of recombination centers as measured by the voltage dependence of the photocurrent, therefore identifying the traps as primary recombination centers. The states are reversible by thermal annealing to about 100?C, which implies a metastable structural change with binding energy 11.2 eV. However, the annealing kinetics reveal three different annealing processes, although for defect states with essentially the same electronic character. Analysis of the radiation damage indicates that defects are formed by hydrogen release from C-H bonds due to electronic excitation by the energetic secondary electrons created by the x rays. Theoretical structure calculations of possible hydrogen-related defects find specific defect states that match the experimental observations and provide values for hydrogen migration energies that are consistent with the annealing kinetics. The effects of prolonged white light exposure are very similar to x-ray exposure, although the annealing kinetics are significantly different. Measurements of the spectral response with bias illumination provide information about the energy level of the localized states.

R. A. Street; J. E. Northrup; B. S. Krusor

2012-05-25T23:59:59.000Z

57

Retrospective Cohort Study of Bronchial Doses and Radiation-Induced Atelectasis After Stereotactic Body Radiation Therapy of Lung Tumors Located Close to the Bronchial Tree  

SciTech Connect

Purpose: To evaluate the doseresponse relationship between radiation-induced atelectasis after stereotactic body radiation therapy (SBRT) and bronchial dose. Methods and Materials: Seventy-four patients treated with SBRT for tumors close to main, lobar, or segmental bronchi were selected. The association between incidence of atelectasis and bronchial dose parameters (maximum point-dose and minimum dose to the high-dose bronchial volume [ranging from 0.1 cm{sup 3} up to 2.0 cm{sup 3}]) was statistically evaluated with survival analysis models. Results: Prescribed doses varied between 4 and 20 Gy per fraction in 2-5 fractions. Eighteen patients (24.3%) developed atelectasis considered to be radiation-induced. Statistical analysis showed a significant correlation between the incidence of radiation-induced atelectasis and minimum dose to the high-dose bronchial volumes, of which 0.1 cm{sup 3} (D{sub 0.1cm3}) was used for further analysis. The median value of D{sub 0.1cm3} (?/? = 3 Gy) was EQD{sub 2,LQ} = 147 Gy{sub 3} (range, 20-293 Gy{sub 3}). For patients who developed atelectasis the median value was EQD{sub 2,LQ} = 210 Gy{sub 3}, and for patients who did not develop atelectasis, EQD{sub 2,LQ} = 105 Gy{sub 3}. Median time from treatment to development of atelectasis was 8.0 months (range, 1.1-30.1 months). Conclusion: In this retrospective study a significant doseresponse relationship between the incidence of atelectasis and the dose to the high-dose volume of the bronchi is shown.

Karlsson, Kristin, E-mail: kristin.karlsson@karolinska.se [Department of Medical Physics, Karolinska University Hospital, Stockholm (Sweden); Department of Oncology-Pathology, Karolinska Institute, Stockholm (Sweden); Nyman, Jan [Department of Oncology, Sahlgrenska University Hospital, Gothenburg (Sweden); Baumann, Pia; Wersll, Peter [Department of Oncology, Radiumhemmet, Karolinska University Hospital, Stockholm (Sweden); Department of Oncology-Pathology, Karolinska Institute, Stockholm (Sweden); Drugge, Ninni [Department of Radiation Physics, Sahlgrenska University Hospital, Gothenburg (Sweden); Gagliardi, Giovanna [Department of Medical Physics, Karolinska University Hospital, Stockholm (Sweden); Department of Oncology-Pathology, Karolinska Institute, Stockholm (Sweden); Johansson, Karl-Axel [Department of Radiation Physics, Sahlgrenska University Hospital, Gothenburg (Sweden); Persson, Jan-Olov [Statistical Research Group, Mathematical Statistics, Stockholm University, Stockholm (Sweden); Rutkowska, Eva [Physics Department, Clatterbridge Cancer Centre, Wirral (United Kingdom); Tullgren, Owe [Department of Oncology, Radiumhemmet, Karolinska University Hospital, Stockholm (Sweden); Department of Oncology-Pathology, Karolinska Institute, Stockholm (Sweden); Lax, Ingmar [Department of Medical Physics, Karolinska University Hospital, Stockholm (Sweden); Department of Oncology-Pathology, Karolinska Institute, Stockholm (Sweden)

2013-11-01T23:59:59.000Z

58

Quantitative, non-invasive imaging of radiation-induced DNA double strand breaks in vivo  

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Quantitative, non-invasive imaging of radiation-induced DNA double strand breaks in vivo Quantitative, non-invasive imaging of radiation-induced DNA double strand breaks in vivo Wenrong Li 1, , Fang Li 1 , Qian Huang 1 , Jingping Shen 1 , Frank Wolf 1 , Yujun He 1 , Xinjian Liu 1 , Y. Angela Hu 1 , Joel. S. Bedford 5 , and Chuan-Yuan Li 1,2,* Departments of 1 Radiation Oncology, 2 Pharmacology, University of Colorado School of Medicine, Aurora, Colorado, USA; 3 Department of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO, USA DNA double strand breaks are a major form of DNA damage and a key mechanism through which radiotherapy and some chemotherapeutic agents kill cancer cells. Despite its importance, measuring DNA double strand breaks is still a tedious task that is normally carried out by gel electrophoresis or immunofluorescence staining. Here we report a novel approach to image and

59

LOW DOSE PHOTON RADIATION-INDUCED CHANGES IN T HELPER LYMPHOCYTES  

NLE Websites -- All DOE Office Websites (Extended Search)

LOW DOSE PHOTON RADIATION-INDUCED CHANGES IN T HELPER LYMPHOCYTES LOW DOSE PHOTON RADIATION-INDUCED CHANGES IN T HELPER LYMPHOCYTES Daila S. Gridley 1,2 , Asma Rizvi 2 , Xian Luo 1 , Adeola Y. Makinde 2 , Steve Rightnar 1 , Jian Tian 1 , Melba L. Andres 1 , James M. Slater 1 , and Michael J. Pecaut 1,2 Departments of 1 Radiation Medicine and 2 Biochemistry & Microbiology Loma Linda University and Medical Center, Loma Linda, CA 92354 USA Health risks due to protracted low dose irradiation remain unclear. This project investigates T helper (Th) lymphocyte function and the cellular milieu in which they reside under conditions of low dose, low- linear energy transfer (LET) radiation exposure. The Th cells are important because they secrete cytokines essential for generating optimal immune defenses against tumor, virus-infected, and other

60

Radiation-Induced Demagnetization of Nd-Fe-B Permanent Magnets  

NLE Websites -- All DOE Office Websites (Extended Search)

LS-290 LS-290 Radiation-Induced Demagnetization of Nd-Fe-B Permanent Magnets J. Alderman and P.K. Job APS Operations Division Advanced Photon Source Argonne National Laboratory R.C. Martin, C.M. Simmons, and G.D. Owen Californium User Facility for Neutron Science Chemical Technology Division Oak Ridge National Laboratory J. Puhl Ionizing Radiation Division National Institute of Standards and Technology November 2000 work sponsored by U.S. DEPARTMENT OF ENERGY Office of Energy Research 1 Radiation-Induced Demagnetization of Nd-Fe-B Permanent Magnets J. Alderman and P.K. Job APS Operations Division Advanced Photon Source Argonne National Laboratory R.C. Martin, C.M. Simmons, and G. D. Owen Californium User Facility for Neutron Science

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

Assessment of Low Linear Energy Transfer RadiationInduced Bystander Mutagenesis in a Three-Dimensional Culture Model  

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...Department of Energy cleanup operations...mutation was a measurement of changes...with low-energy protons (28...Puck TT. Measurement of mutagenesis...on Radiation Units and Measurements; 1984. 23...low linear energy transfer radiation-induced...

Rudranath Persaud; Hongning Zhou; Sarah E. Baker; Tom K. Hei; and Eric J. Hall

2005-11-01T23:59:59.000Z

62

Ethylene is not involved in adaptive responses to flooding in the Amazonian wild rice species Oryza grandiglumis  

Science Journals Connector (OSTI)

Abstract The Amazonian wild rice Oryza grandiglumis has two contrasting adaptation mechanisms to flooding submergence: a quiescence response to complete submergence at the seedling stage and an escape response based on internodal elongation to partial submergence at the mature stage. We investigated possible factors that trigger these responses. In stem segments excised from mature O. grandiglumis plants, complete submergence only slightly promoted internodal elongation with increased ethylene levels in the internodes, while partial submergence substantially promoted internodal elongation without increased ethylene levels in the internodes. Incubation of non-submerged stem segments under a continuous flow of humidified ethylene-free air promoted internodal elongation to the same extent as that observed for partially submerged segments. Applied ethylene had little effect on the internodal elongation of non-submerged segments irrespective of humidity conditions. These results indicate that the enhanced internodal elongation of submerged O. grandiglumis plants is not triggered by ethylene accumulated during submergence but by the moist surroundings provided by submergence. The growth of shoots in O. grandiglumis seedlings was not promoted by ethylene or complete submergence, as is the case in O. sativa cultivars possessing the submergence-tolerant gene SUB1A. However, because the genome of O. grandiglumis lacks the SUB1A gene, the quiescence response of O. grandiglumis seedlings to complete submergence may be regulated by a mechanism distinct from that involved in the response of submergence-tolerant O. sativa cultivars.

Takuma Okishio; Daisuke Sasayama; Tatsuya Hirano; Masahiro Akimoto; Kazuyuki Itoh; Tetsushi Azuma

2015-01-01T23:59:59.000Z

63

Adaptive Responses to Low Dose/Low Dose-Rate γ-Rays in Normal Human Fibroblasts:  

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Responses to Low Dose/Low Dose-Rate γ-Rays in Normal Human Fibroblasts: Responses to Low Dose/Low Dose-Rate γ-Rays in Normal Human Fibroblasts: The Role of Oxidative Metabolism Edouard I. Azzam 1 , Sonia M. de Toledo 1 , Badri N. Pandey 1 , Perumal Venkatachalam 1 , Manuela Buoannano 1 , Zhi Yang 1 , Ling Li 3 , Donna M. Gordon 2 , Roger W. Howell 1 , Debkumar Pain 2 and Douglas R. Spitz 3 1 Department of Radiology, 2 Department of Pharmacology and Physiology, UMDNJ-New Jersey Medical School, Newark, NJ 3 Free Radical and Radiation Biology Program, University of Iowa, Iowa City, IA To investigate low dose/low dose-rate effects of low linear energy transfer ionizing radiation, we used γ-irradiated cells adapted to grow in three-dimensional architecture that mimics cell growth in vivo. We determined cellular, molecular and biochemical changes in these

64

E-Print Network 3.0 - adaptive metabolic response Sample Search...  

NLE Websites -- All DOE Office Websites (Extended Search)

bass (Micropterus salmoides) Summary: factor, there are a range of responses depending on test conditions and baseline metabolic rate... for greater differences in metabolic rate...

65

E-Print Network 3.0 - adaptive melanin response Sample Search...  

NLE Websites -- All DOE Office Websites (Extended Search)

Biology and Medicine 3 Cutaneous melanin exhibiting fluorescence emission under near-infrared light excitation Summary: of the major fluorophores responsible for...

66

A Systems Genetic Approach to Identify Low Dose Radiation-Induced Lymphoma Susceptibility/DOE2013FinalReport  

SciTech Connect

The ultimate goal of this project is to identify the combinations of genetic variants that confer an individual's susceptibility to the effects of low dose (0.1 Gy) gamma-radiation, in particular with regard to tumor development. In contrast to the known effects of high dose radiation in cancer induction, the responses to low dose radiation (defined as 0.1 Gy or less) are much less well understood, and have been proposed to involve a protective anti-tumor effect in some in vivo scientific models. These conflicting results confound attempts to develop predictive models of the risk of exposure to low dose radiation, particularly when combined with the strong effects of inherited genetic variants on both radiation effects and cancer susceptibility. We have used a ??Systems Genetics approach in mice that combines genetic background analysis with responses to low and high dose radiation, in order to develop insights that will allow us to reconcile these disparate observations. Using this comprehensive approach we have analyzed normal tissue gene expression (in this case the skin and thymus), together with the changes that take place in this gene expression architecture a) in response to low or high- dose radiation and b) during tumor development. Additionally, we have demonstrated that using our expression analysis approach in our genetically heterogeneous/defined radiation-induced tumor mouse models can uniquely identify genes and pathways relevant to human T-ALL, and uncover interactions between common genetic variants of genes which may lead to tumor susceptibility.

Balmain, Allan [University of California, San Francisco; Song, Ihn Young [University of California, San Francisco

2013-05-15T23:59:59.000Z

67

Terahertz photovoltaic detection of cyclotron resonance in the regime of radiation-induced magnetoresistance oscillations  

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We examine and compare the diagonal magnetoresistance, Rxx, and the photovoltage induced by microwave (42?f<300 GHz) and terahertz (f?300 GHz) photoexcitation in the high mobility quasi-two-dimensional GaAs/AlGaAs system. The data demonstrate strong radiation-induced magnetoresistance oscillations in Rxx to 360 GHz. In addition, cyclotron resonance is observed in the photovoltage to 725 GHz. These results show that our high-mobility GaAs/AlGaAs two-dimensional electron system (2DES) specimens remain photoactive in magnetotransport into the terahertz band.

R. G. Mani, A. N. Ramanayaka, Tianyu Ye, M. S. Heimbeck, H. O. Everitt, and W. Wegscheider

2013-06-17T23:59:59.000Z

68

Harnessing a radiation inducible promoter of Deinococcus radiodurans for enhanced precipitation of uranium  

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Abstract Bioremediation is an attractive option for the treatment of radioactive waste. We provide a proof of principle for augmentation of uranium bioprecipitation using the radiation inducible promoter, Pssb from Deinococcus radiodurans. Recombinant cells of D. radiodurans carrying acid phosphatase gene, phoN under the regulation of Pssb when exposed to 7kGy gamma radiation at two different dose rates of 56.8Gy/min and 4Gy/min, showed 89 fold increase in acid phosphatase activity. Highest whole cell PhoN activity was obtained after 2h in post irradiation recovery following 8kGy of high dose rate radiation. Such cells showed faster removal of high concentrations of uranium than recombinant cells expressing PhoN under a radiation non-inducible deinococcal promoter, PgroESL and could precipitate uranium even after continuous exposure to 0.6Gy/min gamma radiation for 10 days. Radiation induced recombinant D. radiodurans cells when lyophilized retained high levels of PhoN activity and precipitated uranium efficiently. These results highlight the importance of using a suitable promoter for removal of radionuclides from solution.

Chitra Seetharam Misra; Rita Mukhopadhyaya; Shree Kumar Apte

2014-01-01T23:59:59.000Z

69

Sorafenib Enhances Radiation-Induced Apoptosis in Hepatocellular Carcinoma by Inhibiting STAT3  

SciTech Connect

Purpose: Hepatocellular carcinoma (HCC) is one of the most common and lethal human malignancies. Lack of efficient therapy for advanced HCC is a pressing problem worldwide. This study aimed to determine the efficacy and mechanism of combined sorafenib and radiation therapy treatment for HCC. Methods and Materials: HCC cell lines (PLC5, Huh-7, Sk-Hep1, and Hep3B) were treated with sorafenib, radiation, or both, and apoptosis and signal transduction were analyzed. Results: All 4 HCC cell lines showed resistance to radiation-induced apoptosis; however, this resistance could be reversed in the presence of sorafenib. Inhibition of phospho-STAT3 was found in cells treated with sorafenib or sorafenib plus radiation and subsequently reduced the expression levels of STAT3-related proteins, Mcl-1, cyclin D1, and survivin. Silencing STAT3 by RNA interference overcame apoptotic resistance to radiation in HCC cells, and the ectopic expression of STAT3 in HCC cells abolished the radiosensitizing effect of sorafenib. Moreover, sorafenib plus radiation significantly suppressed PLC5 xenograft tumor growth. Conclusions: These results indicate that sorafenib sensitizes resistant HCC cells to radiation-induced apoptosis via downregulating phosphorylation of STAT3 in vitro and in vivo.

Huang, Chao-Yuan [Department of Oncology, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan (China) [Department of Oncology, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan (China); Department of Radiological Technology, Yuanpei University, Hsinchu, Taiwan (China); Lin, Chen-Si [School of Veterinary Medicine, National Taiwan University Hospital, Taipei, Taiwan (China)] [School of Veterinary Medicine, National Taiwan University Hospital, Taipei, Taiwan (China); Tai, Wei-Tien; Hsieh, Chi-Ying [Department of Medical Research, National Taiwan University Hospital, Taipei, Taiwan (China) [Department of Medical Research, National Taiwan University Hospital, Taipei, Taiwan (China); National Center of Excellence for Clinical Trial and Research, National Taiwan University Hospital, Taipei, Taiwan (China); Shiau, Chung-Wai [Institute of Biopharmaceutical Sciences, National Yang-Ming University, Taipei, Taiwan (China)] [Institute of Biopharmaceutical Sciences, National Yang-Ming University, Taipei, Taiwan (China); Cheng, Ann-Lii [Department of Oncology, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan (China) [Department of Oncology, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan (China); National Center of Excellence for Clinical Trial and Research, National Taiwan University Hospital, Taipei, Taiwan (China); Chen, Kuen-Feng, E-mail: kfchen1970@ntu.edu.tw [Department of Medical Research, National Taiwan University Hospital, Taipei, Taiwan (China) [Department of Medical Research, National Taiwan University Hospital, Taipei, Taiwan (China); National Center of Excellence for Clinical Trial and Research, National Taiwan University Hospital, Taipei, Taiwan (China)

2013-07-01T23:59:59.000Z

70

Quantitative High Content Imaging of Cellular Adaptive Stress Response Pathways in Toxicity for Chemical Safety Assessment  

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Steven Wink , Steven Hiemstra , Suzanna Huppelschoten , Erik Danen , Marije Niemeijer , Giel Hendriks , Harry Vrieling , Bram Herpers , and Bob van de Water * ... (37-39) The true power of HCS using automated imagers lies in its ability to capture when and where specific molecular signaling events are taking place, enabling characterization of cellular responses to multiple changes in the environment with high time and spatial resolution, relatively high throughput (depending on the exact setup) and on a single cell basis, enabling the detection of heterogeneity within populations. ... (141) The members of this family are highly expressed in the liver and include PXR, RXR, CAR, AHR, and HXR. ...

Steven Wink; Steven Hiemstra; Suzanna Huppelschoten; Erik Danen; Marije Niemeijer; Giel Hendriks; Harry Vrieling; Bram Herpers; Bob van de Water

2014-01-22T23:59:59.000Z

71

Radiation Induced Chromatid-type Aberrations after Irradiation of Late-S/G2  

NLE Websites -- All DOE Office Websites (Extended Search)

Induced Chromatid-type Aberrations after Irradiation of Late-S/G2 Induced Chromatid-type Aberrations after Irradiation of Late-S/G2 Cells: Roles of Homologous Recombination and Non-Homologous End Joining Joel Bedford Colorado State University Abstract There has been considerable discussion, with some data reported, addressing the question of the relative contributions of non-homologous end joining (NHEJ) and homologous recombinational repair (HRR) on the repair or rejoining of radiation-induced DNA double strand breaks, especially in relation to their operation during the cell cycle. Reports have included studies on chromosomal aberration induction in G1/G0 cells defective in NHEJ or A-T cells, for example, but relatively little on S/G2 cells and especially on mutants defective in HRR. The broad biological importance of

72

Artificial and Solar UV Radiation Induces Strand Breaks and Cyclobutane Pyrimidine Dimers in Bacillus subtilis Spore DNA  

Science Journals Connector (OSTI)

...ECOLOGY Artificial and Solar UV Radiation Induces Strand Breaks and Cyclobutane...to solar UV-B and UV-A radiation (Y. Xue and W. L. Nicholson...monitoring studies at Tokyo, Japan. . N. Munakata Biologically...effective dose of solar ultraviolet radiation estimated by spore dosimetry...

Tony A. Slieman; Wayne L. Nicholson

2000-01-01T23:59:59.000Z

73

Normal Tissue Complication Probability Modeling of Radiation-Induced Hypothyroidism After Head-and-Neck Radiation Therapy  

SciTech Connect

Purpose: To determine the dose-response relationship of the thyroid for radiation-induced hypothyroidism in head-and-neck radiation therapy, according to 6 normal tissue complication probability models, and to find the best-fit parameters of the models. Methods and Materials: Sixty-five patients treated with primary or postoperative radiation therapy for various cancers in the head-and-neck region were prospectively evaluated. Patient serum samples (tri-iodothyronine, thyroxine, thyroid-stimulating hormone [TSH], free tri-iodothyronine, and free thyroxine) were measured before and at regular time intervals until 1 year after the completion of radiation therapy. Dose-volume histograms (DVHs) of the patients' thyroid gland were derived from their computed tomography (CT)-based treatment planning data. Hypothyroidism was defined as increased TSH (subclinical hypothyroidism) or increased TSH in combination with decreased free thyroxine and thyroxine (clinical hypothyroidism). Thyroid DVHs were converted to 2 Gy/fraction equivalent doses using the linear-quadratic formula with {alpha}/{beta} = 3 Gy. The evaluated models included the following: Lyman with the DVH reduced to the equivalent uniform dose (EUD), known as LEUD; Logit-EUD; mean dose; relative seriality; individual critical volume; and population critical volume models. The parameters of the models were obtained by fitting the patients' data using a maximum likelihood analysis method. The goodness of fit of the models was determined by the 2-sample Kolmogorov-Smirnov test. Ranking of the models was made according to Akaike's information criterion. Results: Twenty-nine patients (44.6%) experienced hypothyroidism. None of the models was rejected according to the evaluation of the goodness of fit. The mean dose model was ranked as the best model on the basis of its Akaike's information criterion value. The D{sub 50} estimated from the models was approximately 44 Gy. Conclusions: The implemented normal tissue complication probability models showed a parallel architecture for the thyroid. The mean dose model can be used as the best model to describe the dose-response relationship for hypothyroidism complication.

Bakhshandeh, Mohsen [Department of Medical Physics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran (Iran, Islamic Republic of)] [Department of Medical Physics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran (Iran, Islamic Republic of); Hashemi, Bijan, E-mail: bhashemi@modares.ac.ir [Department of Medical Physics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran (Iran, Islamic Republic of)] [Department of Medical Physics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran (Iran, Islamic Republic of); Mahdavi, Seied Rabi Mehdi [Department of Medical Physics, Faculty of Medical Sciences, Tehran University of Medical Sciences, Tehran (Iran, Islamic Republic of)] [Department of Medical Physics, Faculty of Medical Sciences, Tehran University of Medical Sciences, Tehran (Iran, Islamic Republic of); Nikoofar, Alireza; Vasheghani, Maryam [Department of Radiation Oncology, Hafte-Tir Hospital, Tehran University of Medical Sciences, Tehran (Iran, Islamic Republic of)] [Department of Radiation Oncology, Hafte-Tir Hospital, Tehran University of Medical Sciences, Tehran (Iran, Islamic Republic of); Kazemnejad, Anoshirvan [Department of Biostatistics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran (Iran, Islamic Republic of)] [Department of Biostatistics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran (Iran, Islamic Republic of)

2013-02-01T23:59:59.000Z

74

Effect of solvents on the radiation-induced polymerization of ethyl and isopropyl vinyl ethers  

SciTech Connect

The effect of solvents on the radiation-induced cationic polymerization of ethyl and isopropyl vinyl ethers (EVE and IPVE, respectively) was investigated. EVE and IPVE polymerizations were carried out in bulk and in solution under superdry conditions in which polar impurities, especially water, have been reduced to negligible levels. This was accomplished by means of a sodium mirror technique using joint free baked out glass equipment and high vacuum. Plots of the monomer conversions and irradiation times were obtained for EVE and IPVE polymerizations in bulk and in benzene solution at constant monomer concentrations. The monomer concentration dependence of the polymerization rate was studied for EVE polymerization in bulk and in benzene, diethlyl ether, diglyme and methylene chloride, and for IPVE polymerization in bulk and in benzene. Solvent effect on the estimated propagating rate constants was examined for EVE and IPVE polymerization in bulk and in solution. The effect of temperature on the polymerization rate was also investigated for EVE polymerization in bulk ad in benzene, diethyl and diisopropyl ethers, methylene chloride and nitromethane, and for IPVE ploymerization in bulk and in benzene.

Hsieh, W.C.

1981-01-01T23:59:59.000Z

75

Radiation-Induced Decomposition of U(VI) Phase to Nanocrystals of UO2  

SciTech Connect

U{sup 6+}-phases are common alteration products, under oxidizing conditions, of uraninite and the UO{sub 2} in spent nuclear fuel. These U{sup 6+}-phases are subjected to a radiation field caused by the {alpha}-decay of U, or in the case of spent nuclear fuel, incorporated actinides, such as {sup 239}Pu and {sup 237}Np. In order to evaluate the effects of {alpha}-decay events on the stability of the U{sup 6+}-phases, we report, for the first time, the results of ion beam irradiations (1.0 MeV Kr{sup 2+}) of U{sup 6+}-phases. The heavy-particle irradiations are used to simulate the ballistic interactions of the recoil-nucleus of an {alpha}-decay event with the surrounding structure. The Kr{sup 2+}-irradiation decomposed the U{sup 6+}-phases to UO{sub 2} nanocrystals at doses as low as 0.006 displacements per atom (dpa). U{sup 6+}-phases accumulate substantial radiation doses ({approx}1.0 displacement per atom) within 100,000 years if the concentration of incorporated {sup 239}Pu is as high as 1 wt%. Similar nanocrystals of UO{sub 2} were observed in samples from the natural fission reactors at Oklo, Gabon. Multiple cycles of radiation-induced decomposition to UO{sub 2} followed by alteration to U{sup 6+}-phases provide a mechanism for the remobilization of incorporated radionuclides.

S. Utsunomiya; R.C. Ewing; L. Wang

2005-06-13T23:59:59.000Z

76

[Ionizing radiation-induced DNA damage and its repair in human cells]. Progress report, [April 1, 1993--February 28, 1994  

SciTech Connect

The excision of radiation-induced lesions in DNA by a DNA repair enzyme complex, namely the UvrABC nuclease complex, has been investigated. Irradiated DNA was treated with the enzyme complex. DNA fractions were analyzed by gas chromatography/isotope-dilution mass spectrometry. The results showed that a number pyrimidine- and purine-derived lesions in DNA were excised by the UvrABC nuclease complex and that the enzyme complex does not act on radiation-induced DNA lesions as a glycosylase. This means that it does not excise individual base products, but it excises oligomers containing these lesions. A number of pyrimidine-derived lesions that were no substrates for other DNA repair enzymes investigated in our laboratory were substrates for the UvrABC nuclease complex.

Not Available

1994-07-01T23:59:59.000Z

77

Roles of Sensory Nerves in the Regulation of Radiation-Induced Structural and Functional Changes in the Heart  

SciTech Connect

Purpose: Radiation-induced heart disease (RIHD) is a chronic severe side effect of radiation therapy of intrathoracic and chest wall tumors. The heart contains a dense network of sensory neurons that not only are involved in monitoring of cardiac events such as ischemia and reperfusion but also play a role in cardiac tissue homeostasis, preconditioning, and repair. The purpose of this study was to examine the role of sensory nerves in RIHD. Methods and Materials: Male Sprague-Dawley rats were administered capsaicin to permanently ablate sensory nerves, 2 weeks before local image-guided heart x-ray irradiation with a single dose of 21 Gy. During the 6 months of follow-up, heart function was assessed with high-resolution echocardiography. At 6 months after irradiation, cardiac structural and molecular changes were examined with histology, immunohistochemistry, and Western blot analysis. Results: Capsaicin pretreatment blunted the effects of radiation on myocardial fibrosis and mast cell infiltration and activity. By contrast, capsaicin pretreatment caused a small but significant reduction in cardiac output 6 months after irradiation. Capsaicin did not alter the effects of radiation on cardiac macrophage number or indicators of autophagy and apoptosis. Conclusions: These results suggest that sensory nerves, although they play a predominantly protective role in radiation-induced cardiac function changes, may eventually enhance radiation-induced myocardial fibrosis and mast cell activity.

Sridharan, Vijayalakshmi; Tripathi, Preeti [Department of Pharmaceutical Sciences, Division of Radiation Health, University of Arkansas for Medical Sciences, Little Rock, Arkansas (United States); Sharma, Sunil [Department of Radiation Oncology, Division of Radiation Health, University of Arkansas for Medical Sciences, Little Rock, Arkansas (United States); Moros, Eduardo G. [Department of Radiation Oncology, Moffitt Cancer Center and Research Institute, Tampa, Florida (United States); Zheng, Junying [Department of Pharmaceutical Sciences, Division of Radiation Health, University of Arkansas for Medical Sciences, Little Rock, Arkansas (United States); Hauer-Jensen, Martin [Department of Pharmaceutical Sciences, Division of Radiation Health, University of Arkansas for Medical Sciences, Little Rock, Arkansas (United States); Surgical Service, Central Arkansas Veterans Healthcare System, Little Rock, Arkansas (United States); Boerma, Marjan, E-mail: mboerma@uams.edu [Department of Pharmaceutical Sciences, Division of Radiation Health, University of Arkansas for Medical Sciences, Little Rock, Arkansas (United States)

2014-01-01T23:59:59.000Z

78

Abstract 2511: Glycogen synthase kinase 3 beta inhibitors protect hippocampal neurons from radiation-induced apoptosis by regulating MDM2/p53 pathway  

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...kinase 3 beta inhibitors protect hippocampal neurons from radiation-induced apoptosis by regulating MDM2/p53 pathway Dinesh Kumar Thotala 1 Dennis E. Hallahan 1 Eugenia M. Yazlovitskaya 2 1Washington Univ. School of Medicine, Saint Louis, MO...

Dinesh Kumar Thotala; Dennis E. Hallahan; and Eugenia M. Yazlovitskaya

2011-07-12T23:59:59.000Z

79

Abstract #2293: Glycogen synthase kinase-3 beta inhibitors protect hippocampal neurons from radiation-induced apoptosis by regulating MDM2/p53 pathway  

Science Journals Connector (OSTI)

...kinase-3 beta inhibitors protect hippocampal neurons from radiation-induced apoptosis by regulating MDM2/p53 pathway Dinesh Kumar Thotala Dennis Hallahan Eugenia Yazlovitskaya Vanderbilt Univ., Nashville, TN 100th AACR Annual Meeting-- Apr 18-22...

Dinesh Kumar Thotala; Dennis Hallahan; and Eugenia Yazlovitskaya

2009-05-01T23:59:59.000Z

80

RADIATION-INDUCED DECOMPOSITION OF U(VI) ALTERATION PHASES OF UO2  

SciTech Connect

U{sup 6+}-phases are common alteration products of spent nuclear fuel under oxidizing conditions, and they may potentially incorporate actinides, such as long-lived {sup 239}Pu and {sup 237}Np, delaying their transport to the biosphere. In order to evaluate the ballistic effects of {alpha}-decay events on the stability of the U{sup 6+}-phases, we report, for the first time, the results of ion beam irradiations (1.0 MeV Kr{sup 2+}) for six different structures of U{sup 6+}-phases: uranophane, kasolite, boltwoodite, saleeite, carnotite, and liebigite. The target uranyl-minerals were characterized by powder X-ray diffraction and identification confirmed by SAED (selected area electron diffraction) in TEM (transmission electron microscopy). The TEM observation revealed no initial contamination of uraninite in these U{sup 6+} phases. All of the samples were irradiated with in situ TEM observation using 1.0 MeV Kr{sup 2+} in the IVEM (intermediate-voltage electron microscope) at the IVEM-Tandem Facility of Argonne National Laboratory. The ion flux was 6.3 x 10{sup 11} ions/cm{sup 2}/sec. The specimen temperatures during irradiation were 298 and 673 K, respectively. The Kr{sup 2+}-irradiation decomposed the U{sup 6+}-phases to nanocrystals of UO{sub 2} at doses as low as 0.006 dpa. The cumulative doses for the pure U{sup 6+}-phases, e.g., uranophane, at 0.1 and 1 million years (m.y.) are calculated to be 0.009 and 0.09 dpa using SRIM2003. However, with the incorporation of 1 wt.% {sup 239}Pu, the calculated doses reach 0.27 and {approx}1.00 dpa in ten thousand and one hundred thousand years, respectively. Under oxidizing conditions, multiple cycles of radiation-induced decomposition to UO{sub 2} followed by alteration to U{sup 6+}-phases should be further investigated to determine the fate of trace elements that may have been incorporated in the U{sup 6+}-phases.

S. Utsunomiya; R.C. Ewing

2005-09-08T23:59:59.000Z

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
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81

Molecular mechanisms of radiation carcinogenesis and the linear, non-threshold dose response model of radiation risk estimation  

Science Journals Connector (OSTI)

Recent research in molecular radiation carcinogenesis is reviewed with the specific aim of exploring the implications this research may have on the dose response relationship of radiation-induced cancer at low...

K. R. Trott; M. Rosemann

2000-06-01T23:59:59.000Z

82

Differential Role of Transcription-Coupled Repair in UVBInduced Response of Human Fibroblasts and Keratinocytes  

Science Journals Connector (OSTI)

...Cancer Institute, Rome, Italy Most solar radiation-induced skin cancers...cellular components by the higher-energy shorter solar wavelengths comprising the UVB spectra...learn more about the response to solar radiation of the target cells for...

Mariarosaria D'Errico; Massimo Teson; Angelo Calcagnile; Tiziana Nardo; Naomi De Luca; Chiara Lazzari; Silvia Soddu; Giovanna Zambruno; Miria Stefanini; and Eugenia Dogliotti

2005-01-15T23:59:59.000Z

83

Adaptive sampler  

DOE Patents (OSTI)

An adaptive data compression device for compressing data having variable frequency content, including a plurality of digital filters for analyzing the content of the data over a plurality of frequency regions, a memory, and a control logic circuit for generating a variable rate memory clock corresponding to the analyzed frequency content of the data in the frequency region and for clocking the data into the memory in response to the variable rate memory clock.

Watson, Bobby L. (Idaho Falls, ID); Aeby, Ian (Fremont, CA)

1982-01-01T23:59:59.000Z

84

Adaptive sampler  

DOE Patents (OSTI)

An adaptive data compression device for compressing data is described. The device has a frequency content, including a plurality of digital filters for analyzing the content of the data over a plurality of frequency regions, a memory, and a control logic circuit for generating a variable rate memory clock corresponding to the analyzed frequency content of the data in the frequency region and for clocking the data into the memory in response to the variable rate memory clock.

Watson, B.L.; Aeby, I.

1980-08-26T23:59:59.000Z

85

Quantification of radiation induced crosslinking in a commercial, toughened silicone rubber, TR-55, by 1H MQ-NMR  

SciTech Connect

Radiation induced degradation in a commercial, filled silicone composite has been studied by SPME/GC-MS, DMA, DSC, swelling, and Multiple Quantum NMR. Analysis of volatile and semivolatile species indicates degradation via decomposition of the peroxide curing catalyst and radiation induced backbiting reactions. DMA, swelling, and spin-echo NMR analysis indicate a increase in crosslink density of near 100% upon exposure to a cumulative dose of 250 kGray. Analysis of the sol-fraction via Charlseby-Pinner analysis indicates a ratio of chain scission to crosslinking yields of 0.38, consistent with the dominance of the crosslinking observed by DMA, swelling and spin-echo NMR and the chain scissioning reactions observed by MS analysis. Multiple Quantum NMR has revealed a bimodal distribution of residual dipolar couplings near 1 krad/sec and 5 krad/sec in an approximately 90:10 ratio, consistent with bulk network chains and chains associated with the filler surface. Upon exposure to radiation, the mean {Omega}{sub d} for both domains and the width of both domains both increased. The MQ NMR analysis provided increase insight into the effects of ionizing radiation on the network structure of silicone polymers.

Maxwell, R; Chinn, S; Alviso, C; Harvey, C A; Giuliani, J; Wilson, T; Cohenour, R

2008-11-10T23:59:59.000Z

86

Mechanisms underlying cellular responses of cells from haemopoeitic tissue  

NLE Websites -- All DOE Office Websites (Extended Search)

underlying cellular responses of cells from haemopoeitic tissue underlying cellular responses of cells from haemopoeitic tissue to low dose-low LET radiation Munira Kadhim Oxford Brookes University Abstract Radiation-induced responses at the cellular and whole body levels are influenced by genetic predisposition, with implications for environmental and potentially, diagnostic exposures. Currently, the extent to which genetic background play a role in the mechanisms and signalling pathways involved in radiation-induced delayed Genomic Instability (GI) is not fully understood. In previous studies, our results have shown that the CBA/H and C57BL/6 mouse strains, have differing sensitivities in the induction of radiation-induced genomic instability (RIGI) in terms of chromosomal instability, following exposure to high dose-high LET and high dose-low LET

87

Radiation-induced ICAM-1 Expression via TGF-?1 Pathway on Human Umbilical Vein Endothelial Cells; Comparison between X-ray and Carbon-ion Beam Irradiation  

Science Journals Connector (OSTI)

......expression in cells irradiated with car- bon-ion beam and the same...HUVE cells at 48 hours after car- bon beam irradiation. ICAM-1...human lymphoblasts and mice are defective in radiation- induced apoptosis...endothelial growth factor in lung car- cinoma cells. Int J Radiat......

Hiroki Kiyohara; Yasuki Ishizaki; Yoshiyuki Suzuki; Hiroyuki Katoh; Nobuyuki Hamada; Tatsuya Ohno; Takeo Takahashi; Yasuhiko Kobayashi; Takashi Nakano

2011-05-01T23:59:59.000Z

88

arXiv:cond-mat/0301569v325Aug2003 Radiation-Induced Magnetoresistance Oscillations in a 2D Electron Gas  

E-Print Network (OSTI)

at = c due to heating at the cyclotron resonance. Interest in this phenomenon was heightened when, using on the ratio of radiation frequency to cyclotron frequency. We perform a diagrammatic calculation and find, µ, to the cyclotron frequency, c, these radiation-induced oscillations are controlled by the ratio

89

Radiation-induced gain degradation in lateral PNP BJTs with lightly and heavily doped emitters  

SciTech Connect

Ionizing radiation may cause failures in ICs due to gain degradation of individual devices. The base current of irradiated bipolar devices increases with total dose, while the collector current remains relatively constant. This results in a decrease in the current gain. Lateral PNP (LPNP) transistors typically exhibit more degradation than vertical PNP devices at the same total dose, and have been blamed as the cause of early IC failures at low dose rates. It is important to understand the differences in total-dose response between devices with heavily- and lightly-doped emitters in order to compare different technologies and evaluate the applicability of proposed low-dose-rate hardness-assurance methods. This paper addresses these differences by comparing two different LPNP devices from the same process: one with a heavily-doped emitter and one with a lightly-doped emitter. Experimental results demonstrate that the lightly-doped devices are more sensitive to ionizing radiation and simulations illustrate that increased recombination on the emitter side of the junction is responsible for the higher sensitivity.

Wu, A. [Univ. of Arizona, Tucson, AZ (United States); Schrimpf, R.D. [Vanderbilt Univ., Nashville, TN (United States); Pease, R.L. [RLP Research, Inc., Albuquerque, NM (United States); Fleetwood, D.M. [Sandia National Labs., Albuquerque, NM (United States); Kosier, S.L. [VTC Inc., Bloomington, MN (United States)

1997-06-01T23:59:59.000Z

90

Structural Stability of Human Fibroblast Growth Factor-1 Is Essential for Protective Effects Against Radiation-Induced Intestinal Damage  

SciTech Connect

Purpose: Human fibroblast growth factor-1 (FGF1) has radioprotective effects on the intestine, although its structural instability limits its potential for practical use. Several stable FGF1 mutants were created increasing stability in the order, wild-type FGF1, single mutants (Q40P, S47I, and H93G), Q40P/S47I, and Q40P/S47I/H93G. This study evaluated the contribution of the structural stability of FGF1 to its radioprotective effect. Methods and Materials: Each FGF1 mutant was administered intraperitoneally to BALB/c mice in the absence of heparin 24 h before or after total body irradiation (TBI) with {gamma}-rays at 8-12 Gy. Several radioprotective effects were examined in the jejunum. Results: Q40P/S47I/H93G could activate all subtypes of FGF receptors in vitro much more strongly than the wild-type without endogenous or exogenous heparin. Preirradiation treatment with Q40P/S47I/H93G significantly increased crypt survival more than wild-type FGF1 after TBI at 10 or 12 Gy, and postirradiation treatment with Q40P/S47I/H93G was effective in promoting crypt survival after TBI at 10, 11, or 12 Gy. In addition, crypt cell proliferation, crypt depth, and epithelial differentiation were significantly promoted by postirradiation treatment with Q40P/S47I/H93G. The level of stability of FGF1 mutants correlated with their mitogenic activities in vitro in the absence of heparin; however, preirradiation treatment with the mutants increased the crypt number to almost the same level as Q40P/S47I/H93G. When given 24 h after TBI at 10 Gy, all FGF1 mutants increased crypt survival more than wild-type FGF1, and Q40P/S47I/H93G had the strongest mitogenic effects in intestinal epithelial cells after radiation damage. Moreover, Q40P/S47I/H93G prolonged mouse survival after TBI because of the repair of intestinal damage. Conclusion: These findings suggest that the structural stability of FGF1 can contribute to the enhancement of protective effects against radiation-induced intestinal damage. Therefore, Q40P/S47I/H93G is pharmacologically one of the most promising candidates for clinical applications for radiation-induced gastrointestinal syndrome.

Nakayama, Fumiaki, E-mail: f_naka@nirs.go.jp [Advanced Radiation Biology Research Program, Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba (Japan)] [Advanced Radiation Biology Research Program, Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba (Japan); Umeda, Sachiko [Advanced Radiation Biology Research Program, Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba (Japan)] [Advanced Radiation Biology Research Program, Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba (Japan); Yasuda, Takeshi [Department of Radiation Emergency Medicine, Research Center for Radiation Emergency Medicine, National Institute of Radiological Sciences, Chiba (Japan)] [Department of Radiation Emergency Medicine, Research Center for Radiation Emergency Medicine, National Institute of Radiological Sciences, Chiba (Japan); Asada, Masahiro; Motomura, Kaori; Suzuki, Masashi [Signaling Molecules Research Laboratory, Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki (Japan)] [Signaling Molecules Research Laboratory, Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki (Japan); Zakrzewska, Malgorzata [Faculty of Biotechnology, University of Wroclaw (Poland)] [Faculty of Biotechnology, University of Wroclaw (Poland); Imamura, Toru [Signaling Molecules Research Laboratory, Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki (Japan)] [Signaling Molecules Research Laboratory, Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki (Japan); Imai, Takashi [Advanced Radiation Biology Research Program, Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba (Japan)] [Advanced Radiation Biology Research Program, Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba (Japan)

2013-02-01T23:59:59.000Z

91

Comparison of radiation exposure and associated radiation-induced cancer risks from mammography and molecular imaging of the breast  

SciTech Connect

Purpose: Recent studies have raised concerns about exposure to low-dose ionizing radiation from medical imaging procedures. Little has been published regarding the relative exposure and risks associated with breast imaging techniques such as breast specific gamma imaging (BSGI), molecular breast imaging (MBI), or positron emission mammography (PEM). The purpose of this article was to estimate and compare the risks of radiation-induced cancer from mammography and techniques such as PEM, BSGI, and MBI in a screening environment. Methods: The authors used a common scheme for all estimates of cancer incidence and mortality based on the excess absolute risk model from the BEIR VII report. The lifetime attributable risk model was used to estimate the lifetime risk of radiation-induced breast cancer incidence and mortality. All estimates of cancer incidence and mortality were based on a population of 100 000 females followed from birth to age 80 and adjusted for the fraction that survives to various ages between 0 and 80. Assuming annual screening from ages 40 to 80 and from ages 50 to 80, the cumulative cancer incidence and mortality attributed to digital mammography, screen-film mammography, MBI, BSGI, and PEM was calculated. The corresponding cancer incidence and mortality from natural background radiation was calculated as a useful reference. Assuming a 15%-32% reduction in mortality from screening, the benefit/risk ratio for the different imaging modalities was evaluated. Results: Using conventional doses of 925 MBq Tc-99m sestamibi for MBI and BSGI and 370 MBq F-18 FDG for PEM, the cumulative cancer incidence and mortality were found to be 15-30 times higher than digital mammography. The benefit/risk ratio for annual digital mammography was >50:1 for both the 40-80 and 50-80 screening groups, but dropped to 3:1 for the 40-49 age group. If the primary use of MBI, BSGI, and PEM is in women with dense breast tissue, then the administered doses need to be in the range 75-150 MBq for Tc-99m sestamibi and 35 MBq-70 MBq for F-18 FDG in order to obtain benefit/risk ratios comparable to those of mammography in these age groups. These dose ranges should be achievable with enhancements to current technology while maintaining a reasonable examination time. Conclusions: The results of the dose estimates in this study clearly indicate that if molecular imaging techniques are to be of value in screening for breast cancer, then the administered doses need to be substantially reduced to better match the effective doses of mammography.

O'Connor, Michael K.; Li Hua; Rhodes, Deborah J.; Hruska, Carrie B.; Clancy, Conor B.; Vetter, Richard J. [Department of Radiology, Mayo Clinic, Rochester, Minnesota 55905 (United States); Department of Medicine, Mayo Clinic, Rochester, Minnesota 55905 (United States); Department of Radiology, Mayo Clinic, Rochester, Minnesota 55905 (United States); Department of Medical Physics, St. James's Hospital, Dublin (Ireland); Radiation Safety, Mayo Clinic, Rochester, Minnesota 55905 (United States)

2010-12-15T23:59:59.000Z

92

Radiation-induced risk of resettling Bikini atoll. Final report, November 7, 1981-May 28, 1982  

SciTech Connect

The Department of Energy (DOE) has concluded that the Bikini atoll is unsafe for resettlement. In response to the Bikinians' request for an independent review, we have examined the following DOE findings: (a) radionuclide contamination of Eneu and Bikini Islands, (b) radiation dosage to those who might resettle the islands, and (c) risks to the health of such settlers. We are in practical agreement with the DOE estimates. Resettlement of either island in 1983 would lead to a range of annual or 30-year cumulative doses that exceed the Federal Radiation Council (FRC) guides for the general population, but not those for occupation exposure. By 2013 resettlement of Eneu probably would be permissible. The principal source of radiation dose is local food, especially coconut, owing to contamination of the soil by cesium-137. A precise estimate of dose is impossible. The availability of imported foods would lessen local food consumption, but not sufficiently to meet the FRC guides for the general population. The 30-year cumulative index dose is 61 (25-122) rem for Bikini, and about 8 (3-16) rem for Eneu.

Kohn, H.I.; Dreyer, N.A.

1982-01-01T23:59:59.000Z

93

Effects of Adenovirus-Mediated Delivery of the Human Hepatocyte Growth Factor Gene in Experimental Radiation-Induced Heart Disease  

SciTech Connect

Purpose: Irradiation to the heart may lead to late cardiovascular complications. The purpose of this study was to investigate whether adenovirus-mediated delivery of the human hepatocyte growth factor gene could reduce post-irradiation damage of the rat heart and improve heart function. Methods and Materials: Twenty rats received single-dose irradiation of 20 Gy gamma ray locally to the heart and were randomized into two groups. Two weeks after irradiation, these two groups of rats received Ad-HGF or mock adenovirus vector intramyocardial injection, respectively. Another 10 rats served as sham-irradiated controls. At post-irradiation Day 120, myocardial perfusion was tested by myocardial contrast echocardiography with contrast agent injected intravenously. At post-irradiation Day 180, cardiac function was assessed using the Langendorff technique with an isolated working heart model, after which heart samples were collected for histological evaluation. Results: Myocardial blood flow was significantly improved in HGF-treated animals as measured by myocardial contrast echocardiography at post-irradiation Day 120 . At post-irradiation Day 180, cardiac function was significantly improved in the HGF group compared with mock vector group, as measured by left ventricular peak systolic pressure (58.80 +- 9.01 vs. 41.94 +- 6.65 mm Hg, p < 0.05), the maximum dP/dt (5634 +- 1303 vs. 1667 +- 304 mm Hg/s, p < 0.01), and the minimum dP/dt (3477 +- 1084 vs. 1566 +- 499 mm Hg/s, p < 0.05). Picrosirius red staining analysis also revealed a significant reduction of fibrosis in the HGF group. Conclusion: Based on the study findings, hepatocyte growth factor gene transfer can attenuate radiation-induced cardiac injury and can preserve cardiac function.

Hu Shunying; Chen Yundai [Department of Cardiology, Chinese PLA General Hospital, Beijing (China); Li Libing [Department of Cardiovascular Surgery, Chinese PLA General Hospital, Beijing (China); Chen Jinlong; Wu Bin [Department of Experimental Hematology, Beijing Institute of Radiation Medicine, Beijing (China); Zhou, Xiao; Zhi Guang [Department of Cardiology, Chinese PLA General Hospital, Beijing (China); Li Qingfang; Wang Rongliang; Duan Haifeng; Guo Zikuan; Yang Yuefeng; Xiao Fengjun [Department of Experimental Hematology, Beijing Institute of Radiation Medicine, Beijing (China); Wang Hua, E-mail: wanghua@nic.bmi.ac.c [Department of Experimental Hematology, Beijing Institute of Radiation Medicine, Beijing (China); Wang Lisheng [Department of Experimental Hematology, Beijing Institute of Radiation Medicine, Beijing (China)

2009-12-01T23:59:59.000Z

94

Risk, Outcomes, and Costs of Radiation-Induced Oral Mucositis Among Patients With Head-and-Neck Malignancies  

SciTech Connect

Purpose: To study the risk, outcomes, and costs of radiation-induced oral mucositis (OM) among patients receiving radiotherapy (RT) to head and neck primary cancers. Methods and Materials: A retrospective cohort consisting of 204 consecutive head-and-neck cancer patients who received RT with or without chemotherapy during 2002 was formed; their records were reviewed for clinical and resource use information. Patients who had received prior therapy, had second primary cancers, or received palliative radiation therapy were excluded. The risk of OM was analyzed by multiple variable logistic regression. The cost of care was computed from the provider's perspective in 2006 U.S. dollars and compared among patients with and without OM. Results: Oral mucositis occurred in 91% of patients; in 66% it was severe (Grade 3-4). Oral mucositis was more common among patients with oral cavity or oropharynx primaries (odds ratio [OR], 44.5; 95% confidence interval [CI], 5.2 to >100; p < 0.001), those who received chemotherapy (OR = 7.8; 95% CI, 1.5-41.6; p 0.02), and those who were treated with altered fractionation schedules (OR 6.3; 95% CI, 1.1-35.1; p = 0.03). Patients with OM were significantly more likely to have severe pain (54% vs. 6%; p < 0.001) and a weight loss of {>=}5% (60% vs. 17%; p < 0.001). Oral mucositis was associated with an incremental cost of $1700-$6000, depending on the grade. Conclusions: Head-and-neck RT causes OM in virtually all patients. Oral mucositis is associated with severe pain, significant weight loss, increased resource use, and excess cost. Preventive strategies are needed.

Elting, Linda S. [Section of Health Services Research, Department of Biostatistics, University of Texas M. D. Anderson Cancer Center, Houston, TX (United States)]. E-mail: lelting@mdanderson.org; Cooksley, Catherine D. [Section of Health Services Research, Department of Biostatistics, University of Texas M. D. Anderson Cancer Center, Houston, TX (United States); Chambers, Mark S. [Department of Dental Oncology, University of Texas M. D. Anderson Cancer Center, Houston, TX (United States); Garden, Adam S. [Department of Radiation Oncology, University of Texas M. D. Anderson Cancer Center, Houston, TX (United States)

2007-07-15T23:59:59.000Z

95

Radiation Induced Mammary Cancer  

Science Journals Connector (OSTI)

......Induced Mammary Cancer R.L. Ullrich * R.J. Preston # * Department of Radiation Therapy, University of Texas Medical Branch, Galveston, TX 77550 # Biology Division Oak Ridge National Laboratory Oak Ridge, TN 37831, U.S.A Over the last......

R.L. Ullrich; R.J. Preston

1991-12-01T23:59:59.000Z

96

Radiation-Induced Rib Fractures After Hypofractionated Stereotactic Body Radiation Therapy: Risk Factors and Dose-Volume Relationship  

SciTech Connect

Purpose: The purpose of this study was to clarify the incidence, the clinical risk factors, and the dose-volume relationship of radiation-induced rib fracture (RIRF) after hypofractionated stereotactic body radiation therapy (SBRT). Methods and Materials: One hundred sixteen patients treated with SBRT for primary or metastatic lung cancer at our institution, with at least 6 months of follow-up and no previous overlapping radiation exposure, were included in this study. To determine the clinical risk factors associated with RIRF, correlations between the incidence of RIRF and the variables, including age, sex, diagnosis, gross tumor volume diameter, rib-tumor distance, and use of steroid administration, were analyzed. Dose-volume histogram analysis was also conducted. Regarding the maximum dose, V10, V20, V30, and V40 of the rib, and the incidences of RIRF were compared between the two groups divided by the cutoff value determined by the receiver operating characteristic curves. Results: One hundred sixteen patients and 374 ribs met the inclusion criteria. Among the 116 patients, 28 patients (46 ribs) experienced RIRF. The estimated incidence of rib fracture was 37.7% at 3 years. Limited distance from the rib to the tumor (<2.0 cm) was the only significant risk factor for RIRF (p = 0.0001). Among the dosimetric parameters used for receiver operating characteristic analysis, the maximum dose showed the highest area under the curve. The 3-year estimated risk of RIRF and the determined cutoff value were 45.8% vs. 1.4% (maximum dose, {>=}42.4 Gy or less), 51.6% vs. 2.0% (V40, {>=}0.29 cm{sup 3} or less), 45.8% vs. 2.2% (V30, {>=}1.35 cm{sup 3} or less), 42.0% vs. 8.5% (V20, {>=}3.62 cm{sup 3} or less), or 25.9% vs. 10.5% (V10, {>=}5.03 cm{sup 3} or less). Conclusions: The incidence of RIRF after hypofractionated SBRT is relatively high. The maximum dose and high-dose volume are strongly correlated with RIRF.

Asai, Kaori [Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka (Japan)] [Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka (Japan); Shioyama, Yoshiyuki, E-mail: shioyama@radiol.med.kyushu-u.ac.jp [Department of Heavy Particle Therapy and Radiation Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka (Japan)] [Department of Heavy Particle Therapy and Radiation Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka (Japan); Nakamura, Katsumasa; Sasaki, Tomonari; Ohga, Saiji; Nonoshita, Takeshi [Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka (Japan)] [Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka (Japan); Yoshitake, Tadamasa [Department of Heavy Particle Therapy and Radiation Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka (Japan)] [Department of Heavy Particle Therapy and Radiation Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka (Japan); Ohnishi, Kayoko [Department of Radiology, National Center for Global Health and Medicine, Tokyo (Japan)] [Department of Radiology, National Center for Global Health and Medicine, Tokyo (Japan); Terashima, Kotaro; Matsumoto, Keiji [Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka (Japan)] [Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka (Japan); Hirata, Hideki [Department of Health Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka (Japan)] [Department of Health Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka (Japan); Honda, Hiroshi [Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka (Japan)] [Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka (Japan)

2012-11-01T23:59:59.000Z

97

Adaptation Plan  

E-Print Network (OSTI)

Environment ? Natural Environment ? People FIVE STRATEGIES Copyright 2011, City of Chicago ADAPTATION ESL-KT-11-11-16 9 CCAP Adaptation Evolution 2007 2008 2009 2010 ? Understood the climate science: Assess climate impacts ? Assessed economic... E xi st in g Tr un k Existing on Rogers Rogers Ave CIP Stormwater management: Chicago?s comprehensive sewer model Climate impacts Example actions to prepare the built environment Copyright 2011, City of Chicago ESL-KT-11-11-16 13 CCAP...

Durnbaugh, A.

2011-01-01T23:59:59.000Z

98

Adaptive constructive processes 1 Running head: Adaptive constructive processes  

E-Print Network (OSTI)

to a current environmental demand when automatic, learned responses are not elicited. Bartlett argued further of Psychology Harvard University Cambridge, Massachusetts 02138 phone: (617) 495-3856 fax: (617) 496-3122 e to be operating in any well-adapted organic response (1932, p. 201)". He further emphasized the importance of "the

Schacter, Daniel

99

Adaptive sequential controller  

DOE Patents (OSTI)

An adaptive sequential controller (50/50') for controlling a circuit breaker (52) or other switching device to substantially eliminate transients on a distribution line caused by closing and opening the circuit breaker. The device adaptively compensates for changes in the response time of the circuit breaker due to aging and environmental effects. A potential transformer (70) provides a reference signal corresponding to the zero crossing of the voltage waveform, and a phase shift comparator circuit (96) compares the reference signal to the time at which any transient was produced when the circuit breaker closed, producing a signal indicative of the adaptive adjustment that should be made. Similarly, in controlling the opening of the circuit breaker, a current transformer (88) provides a reference signal that is compared against the time at which any transient is detected when the circuit breaker last opened. An adaptive adjustment circuit (102) produces a compensation time that is appropriately modified to account for changes in the circuit breaker response, including the effect of ambient conditions and aging. When next opened or closed, the circuit breaker is activated at an appropriately compensated time, so that it closes when the voltage crosses zero and opens when the current crosses zero, minimizing any transients on the distribution line. Phase angle can be used to control the opening of the circuit breaker relative to the reference signal provided by the potential transformer.

El-Sharkawi, Mohamed A. (Renton, WA); Xing, Jian (Seattle, WA); Butler, Nicholas G. (Newberg, OR); Rodriguez, Alonso (Pasadena, CA)

1994-01-01T23:59:59.000Z

100

Inhibition of Repair of Radiation-Induced DNA Damage Enhances Gene Expression from Replication-Defective Adenoviral Vectors  

Science Journals Connector (OSTI)

...those related to increased expression of CAR and integrin are responsible for the enhanced...of gene expression from replication-defective adenoviral vectors: implications for...enhances gene expression from replication-defective adenoviral vectors. | Radiation has been...

Mohan Hingorani; Christine L. White; Andrew Merron; Inge Peerlinck; Martin E. Gore; Andrew Slade; Simon D. Scott; Christopher M. Nutting; Hardev S. Pandha; Alan A. Melcher; Richard G. Vile; Georges Vassaux; and Kevin J. Harrington

2008-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
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to obtain the most current and comprehensive results.


101

Synthesis and characterization of superabsorbent polymer prepared by radiation-induced graft copolymerization of acrylamide onto carboxymethyl cellulose for controlled release of agrochemicals  

Science Journals Connector (OSTI)

Abstract Superabsorbent polymer (SAP) was synthesized by radiation-induced grafting of acrylamide (AM) onto carboxymethyl cellulose (CMC) in the presence of a crosslinking agent, N,N?-methylenebisacrylamide (MBA). The effects of various parameters, such as dose, the amount of CMC, AM, MBA and ionic strength on the swelling ratio were investigated. In order to evaluate its controlled release potential, SAP was loaded with potassium nitrate (KNO3) as an agrochemical model and its potential for controlled release of KNO3 was studied. The amount of released KNO3 was analyzed by an inductively coupled plasma mass spectrometry (ICPMS). The results from controlled release experiment agreed very well with the results from swelling experiment. The synthesized SAP was characterized by Fourier transform infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA). The obtained SAP exhibited a swelling ratio of 190g/g of dry gel.

Kasinee Hemvichian; Auraruk Chanthawong; Phiriyatorn Suwanmala

2014-01-01T23:59:59.000Z

102

Modeling and analysis of the latent period of osteosarcomas induced by incorporated 239Pu: The role of immune responses  

Science Journals Connector (OSTI)

This paper considers the utility of a stochastic model of carcinogenesis, proposed earlier by Yakovlev and Polig, in quantitative analysis of the incidence of radiation-induced osteosarcomas in beagels injected with various amounts of ^2^3^9Pu. The original ... Keywords: Bone tumors, Carcinogenesis models, Immune response, Internal irradiation, Survival analysis

A. D. Tsodikov; F. Bruenger; R. D. Lloyd; S. Miller; E. Polig; A. Yu. Yakovlev

2001-06-01T23:59:59.000Z

103

Chronic Radiation-induced Alteration in Hematopoietic Repair during Preclinical Phases of Aplastic Anemia and Myeloproliferative Disease: Assessing Unscheduled DNA Synthesis Responses  

Science Journals Connector (OSTI)

...National Laboratory, Illinois 60439. | Journal...Laboratory, Argonne, Illinois 60439 ABSTRACT Protracted...count- ing (under oil immersion microscopy...week). d Average cumulative exposure doses...removed from exposure field for 504 days prior...granulocyte/ monocyte production were markedly reduced...

Thomas M. Seed and Susan M. Meyers

1993-10-01T23:59:59.000Z

104

7th International Workshop on Microbeam Probes of Cellular Radiation Response  

SciTech Connect

The extended abstracts that follow present a summary of the Proceedings of the 7th International Workshop: Microbeam Probes of Cellular Radiation Response, held at Columbia Universitys Kellogg Center in New York City on March 1517, 2006. These International Workshops on Microbeam Probes of Cellular Radiation Response have been held regularly since 1993 (15). Since the first workshop, there has been a rapid growth (see Fig. 1) in the number of centers developing microbeams for radiobiological research, and worldwide there are currently about 30 microbeams in operation or under development. Single-cell/single-particle microbeam systems can deliver beams of different ionizing radiations with a spatial resolution of a few micrometers down to a few tenths of a micrometer. Microbeams can be used to addressquestions relating to the effects of low doses of radiation (a single radiation track traversing a cell or group of cells), to probe subcellular targets (e.g. nucleus or cytoplasm), and to address questions regarding the propagation of information about DNA damage (for example, the radiation-induced bystander effect). Much of the recent research using microbeams has been to study low-dose effects and non-targeted responses such as bystander effects, genomic instability and adaptive responses. This Workshop provided a forum to assess the current state of microbeam technology and current biological applications and to discuss future directions for development, both technological and biological. Over 100 participants reviewed the current state of microbeam research worldwide and reported on new technological developments in the fields of both physics and biology.

Brenner, David J.

2009-07-21T23:59:59.000Z

105

Urban climate resilience : a global assessment of city adaptation plans  

E-Print Network (OSTI)

As policy makers accept climate change as an irrefutable threat, adaptation planning has emerged as a necessary action for countries, states, and municipalities. This thesis explores adaptive responses to climate change ...

Katich, Kristina Noel

2009-01-01T23:59:59.000Z

106

Microsoft PowerPoint - Powerpoint_Adaptive.ppt [Compatibility Mode]  

NLE Websites -- All DOE Office Websites (Extended Search)

Response Response to Low Dose Radiation Adaptive Response Adaptive Response When large radiation When large radiation exposure is preceded by a ll " i kl " d h small "tickle" dose, the effect of the large dose is effect of the large dose is sometimes diminished The first time you go to the beach in the summer you don't usually spend 8 hours in summer, you don t usually spend 8 hours in the sun. You begin by being out an hour or d dd ddi i l i h i ki two and add additional time as their skin adapts to the sunny condition and develops protective mechanisms.... Adaptive Response Adaptive Response In some cases, cells also show an "adaptive response" to radiation, although researchers p , g are still trying to understand how the protective mechanisms work. Small doses p

107

REGULATORY MECHANISMS OF SLC39A4 (ZIP4) AND SLC39A5 (ZIP5) IN THE ADAPTIVE RESPONSE TO ZINC AVAILABILITY  

E-Print Network (OSTI)

The aims of this research were to determine how Zip4 and Zip5 are regulated in response to zinc availability and how Zip4 impacts development. Loss of Zip4 resulted in embryonic lethality. Heterozygosity negatively affected eye, heart, and brain...

Weaver, Benjamin Patrick

2009-04-06T23:59:59.000Z

108

Self-Adaptive Management of The Sleep Depths of Idle Nodes in Large Scale Systems to Balance Between Energy Consumption and Response Times  

E-Print Network (OSTI)

Between Energy Consumption and Response Times Yongpeng Liu(1) , Hong Zhu(2) , Kai Lu(1) , Xiaoping Wang(1.659 MW, which equals the power usage of a middle scale city. In 2006, US servers and data centers U.S. electricity consumption or the output of about 15 typical power plants [2]. In 2007

Zhu, Hong

109

Adaptive Sampling in Hierarchical Simulation  

SciTech Connect

We propose an adaptive sampling methodology for hierarchical multi-scale simulation. The method utilizes a moving kriging interpolation to significantly reduce the number of evaluations of finer-scale response functions to provide essential constitutive information to a coarser-scale simulation model. The underlying interpolation scheme is unstructured and adaptive to handle the transient nature of a simulation. To handle the dynamic construction and searching of a potentially large set of finer-scale response data, we employ a dynamic metric tree database. We study the performance of our adaptive sampling methodology for a two-level multi-scale model involving a coarse-scale finite element simulation and a finer-scale crystal plasticity based constitutive law.

Knap, J; Barton, N R; Hornung, R D; Arsenlis, A; Becker, R; Jefferson, D R

2007-07-09T23:59:59.000Z

110

The Effects of Chronic Restraint Stress on Innate and Adaptive Immune Responses to Acute Theiler?s Murine Encephalomyelitis Virus Infection ? An Animal Model of Human Multiple Sclerosis  

E-Print Network (OSTI)

. (May 2008) Andrew Steelman, B.S., Gardner-Webb University; M.BIOT., Texas A&M University Chair of Advisory Committee: Dr. C. Jane R. Welsh Multiple sclerosis (MS) is an immune-mediated prevalent chronic demyelinating and neurodegenerative disease... the IL-2R? (p = 2.96 x 10 -8 ), IL- 7R?, (p = 2.94 x 10 -7 ) and HLA-DRA locus (p = 8.94 x 10 -81 ) (Hafler et al., 2007). As these genes are strongly associated with CD4 + T-cell responses, these findings provide circumstantial evidence...

Steelman, Andrew Jonathan

2009-05-15T23:59:59.000Z

111

Mechanisms underlying cellular responses of cells from haemopoeitic tissue to low dose-low LET radiation  

NLE Websites -- All DOE Office Websites (Extended Search)

underlying cellular responses of cells from haemopoeitic underlying cellular responses of cells from haemopoeitic tissue to low dose-low LET radiation Munira Kadhim 1 , Sarah Irons 1 , Deborah Bowler 1 , Virginia Serra 1 , Stefania Militi 2 , Kim Chapman 1 1 Genomic Instability Research Group, School of Life Sciences, Oxford Brookes University, Gipsy Lane, Headington, Oxford, Oxfordshire, OX3 0BP, UK 2 Mammalian Genetics Unit, Medical Research Council Harwell, Harwell Science and Innovation Campus, Oxfordshire, OX11 0RD, UK Radiation-induced responses at the cellular and whole body levels are influenced by genetic predisposition, with implications for environmental and potentially, diagnostic exposures. Currently, the extent to which genetic background play a role in the mechanisms and signalling pathways involved in radiation-induced

112

Effect of silver nanoparticle and glycyrrhizic acid (SN-GLY) complex on repair of whole body radiation-induced cellular DNA damage and genomic instability in mice  

Science Journals Connector (OSTI)

Silver nanoparticles (SN) were redispersed in aqueous solution of Pluronic F127 and complexed with the phytoceutical, glycyrrhizic acid (GLY) to obtain SN-GLY complex. The ability of the SN-GLY complex to offer protection against ionising radiation in post-irradiation scenarios was evaluated in ex vivo and in vivo models using Swiss albino mice. Treatment of mouse blood leucocytes with SN-GLY immediately after 4 Gy gamma radiation exposure, ex vivo, enhanced the rate of repair of cellular DNA damages as revealed by comet assay. Exposure of mice to 4 Gy whole body gamma radiation induced formation of strand breaks in cellular DNA and the unrepaired double strand breaks eventually caused the formation of micronuclei. The post-irradiation administration of SN-GLY resulted in a faster decrease in the comet parameters indicating enhanced cellular DNA repair process and reduction in micronucleus formation. Thus the studies showed effective radiation protection by SN-GLY in post-irradiation conditions.

Dhanya K. Chandrasekharan; Cherupally Krishnan Krishnan Nair

2010-01-01T23:59:59.000Z

113

Climate adaptation planning in practice: an evaluation of adaptation plans from three developed nations  

SciTech Connect

Formal planning for climate change adaptation is emerging rapidly at a range of geo-political scales. This first generation of adaptation plans provides useful information regarding how institutions are framing the issue of adaptation and the range of processes that are recognized as being part of an adaptation response. To better understand adaptation planning among developed nations, a set of 57 adaptation plans from Australia, the United Kingdom and the United States was evaluated against a suite of 19 planning processes identified from existing guidance instruments for adaptation planning. Total scores among evaluated plans ranged from 16% of the maximum possible score to 61%, with an average of 37%. These results suggest adaptation plans are largely under-developed. Critical weaknesses in adaptation planning are related to limited consideration for non-climatic factors as well as neglect for issues of adaptive capacity including entitlements to various forms of capital needed for effective adaptation. Such gaps in planning suggest there are opportunities for institutions to make better use of existing guidance for adaptation planning and the need to consider the broader governance context in which adaptation will occur. In addition, the adaptation options prescribed by adaptation plans reflect a preferential bias toward low-risk capacity-building (72% of identified options) over the delivery of specific actions to reduce vulnerability. To the extent these findings are representative of the state of developed nation adaptation planning, there appear to be significant deficiencies in climate change preparedness, even among those nations often assumed to have the greatest adaptive capacity.

Preston, Benjamin L [ORNL; Westaway, Richard M. [IMS Consulting, Bristol, Avon, England; Yuen, Emma J. [CSIRO Climate Adaptation Flagship, Aspendale, Vic, Australia

2011-04-01T23:59:59.000Z

114

GRACE-2: integrating fine-grained application adaptation with global adaptation for saving energy  

Science Journals Connector (OSTI)

Energy efficiency has become a primary design criterion for mobile multimedia devices. Prior work has proposed saving energy through coordinated adaptation in multiple system layers, in response to changing application demands and system resources. The scope and frequency of adaptation pose a fundamental conflict in such systems. The Illinois GRACE project addresses this conflict through a hierarchical solution which combines: 1) infrequent (expensive) global adaptation that optimises energy for all applications in the system, 2) frequent (cheap) per-application (or per-app) adaptation that optimises for a single application at a time. This paper demonstrates the benefits of the hierarchical adaptation through a second-generation prototype, GRACE-2. Specifically, it shows that in a network bandwidth constrained environment, per-app application adaptation yields significant energy benefits over and above global adaptation.

Vibhore Vardhan; Wanghong Yuan; Albert F. Harris; Sarita V. Adve; Robin H. Kravets; Klara Nahrstedt; Daniel G. Sachs; Douglas L. Jones

2009-01-01T23:59:59.000Z

115

Silver Clear Nylon Dressing is Effective in Preventing Radiation-Induced Dermatitis in Patients With Lower Gastrointestinal Cancer: Results From a Phase III Study  

SciTech Connect

Purpose: For patients with anal canal and advanced rectal cancer, chemoradiation therapy is a curative modality or an important adjunct to surgery. Nearly all patients treated with chemoradiation experience some degree of radiation-induced dermatitis (RID). Prevention and effective treatment of RID, therefore, is of considerable clinical relevance. The present phase III randomized trial compared the efficacy of silver clear nylon dressing (SCND) with that of standard skin care for these patients. Methods and Materials: A total of 42 rectal or anal canal cancer patients were randomized to either a SCND or standard skin care group. SCND was applied from Day 1 of radiation therapy (RT) until 2 weeks after treatment completion. In the control arm, sulfadiazine cream was applied at the time of skin dermatitis. Printed digital photographs taken 2 weeks prior to, on the last day, and two weeks after the treatment completion were scored by 10 blinded readers, who used the common toxicity scoring system for skin dermatitis. Results: The radiation dose ranged from 50.4 to 59.4 Gy, and there were no differences between the 2 groups. On the last day of RT, when the most severe RID occurs, the mean dermatitis score was 2.53 (standard deviation [SD], 1.17) for the standard and 1.67 (SD, 1.2; P=.01) for the SCND arm. At 2 weeks after RT, the difference was 0.39 points in favor of SCND (P=.39). There was considerable intraclass correlation among the 10 observers. Conclusions: Silver clear nylon dressing is effective in reducing RID in patients with lower gastrointestinal cancer treated with combined chemotherapy and radiation treatment.

Niazi, Tamim M. [Segal Cancer Centre, Department of Radiation Oncology, Jewish General Hospital, McGill University (Canada)] [Segal Cancer Centre, Department of Radiation Oncology, Jewish General Hospital, McGill University (Canada); Vuong, Te, E-mail: tvuong@jgh.mcgill.ca [Segal Cancer Centre, Department of Radiation Oncology, Jewish General Hospital, McGill University (Canada)] [Segal Cancer Centre, Department of Radiation Oncology, Jewish General Hospital, McGill University (Canada); Azoulay, Laurant [Department of Epidemiology, Jewish General Hospital, McGill University (Canada)] [Department of Epidemiology, Jewish General Hospital, McGill University (Canada); Marijnen, Corrie [Department of Clinical Oncology, Leiden University Medical Center, Amsterdam (Netherlands)] [Department of Clinical Oncology, Leiden University Medical Center, Amsterdam (Netherlands); Bujko, Kryzstof [Department of Radiotherapy, The Maria Sklodowska-Curie Memorial Cancer Centre, Warsaw (Poland)] [Department of Radiotherapy, The Maria Sklodowska-Curie Memorial Cancer Centre, Warsaw (Poland); Nasr, Elie [Department of Radiation Oncology, Hotel-Dieu de France Hospital (Lebanon)] [Department of Radiation Oncology, Hotel-Dieu de France Hospital (Lebanon); Lambert, Christine; Duclos, Marie; Faria, Sergio; David, Marc [Department of Radiation Oncology, Montreal-General-Hospital, McGill University, Montreal (Canada)] [Department of Radiation Oncology, Montreal-General-Hospital, McGill University, Montreal (Canada); Cummings, Bernard [Department of Radiation Oncology, Princess Margaret Hospital, University of Toronto (Canada)] [Department of Radiation Oncology, Princess Margaret Hospital, University of Toronto (Canada)

2012-11-01T23:59:59.000Z

116

Radiation Induced Instability Patrick Hagerty  

E-Print Network (OSTI)

, an oscillator coupled to a string describes the free vibrations of a nucleus in an extended medium. The oscillator transfers energy to the string by generating waves as it moves; see also [12]. A model

Bloch, Anthony

117

Sensor response rate accelerator  

SciTech Connect

An apparatus and method for sensor signal prediction and for improving sensor signal response time, is disclosed. An adaptive filter or an artificial neural network is utilized to provide predictive sensor signal output and is further used to reduce sensor response time delay.

Vogt, Michael C. (Westmont, IL)

2002-01-01T23:59:59.000Z

118

Generalized Adaptive A* Xiaoxun Sun  

E-Print Network (OSTI)

Generalized Adaptive A* Xiaoxun Sun USC Computer Science Los Angeles, California xiaoxuns spaces changes. Adaptive A* [7] is a Cite as: Generalized Adaptive A*, Xiaoxun Sun, Sven Koenig

Yeoh, William

119

The genomics of adaptation  

Science Journals Connector (OSTI)

...introduction Special feature 1001 70 197 198 The genomics of adaptation Jacek Radwan 1 * Wieslaw...One contribution to a Special Feature Genomics of adaptation. The amount and nature...aspects of the broad field of adaptation genomics. This introductory article sets up a...

2012-01-01T23:59:59.000Z

120

Adaptive Video Retrieval  

E-Print Network (OSTI)

Hopfgartner,F. Villa,R. Urban,J. Jose,J.M. Proceedings of the First International Workshop on Adaptive Information Retrieval pp 28-29

Hopfgartner, F.

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

E-Print Network 3.0 - activity trial adapt Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

Biology and Medicine 6 Running Head: CONFLICT ADAPTATION FOLLOWING ERRONEOUS RESPONSE PREPARATION Summary: (Botvinick et al., 2001). Reduced ACC activation (sometimes...

122

E-Print Network 3.0 - adaptive supply survival Sample Search...  

NLE Websites -- All DOE Office Websites (Extended Search)

Sciences and Ecology 6 RICKARD, I.J. & LUMMAA V. 2007: The Predictive Adaptive Response and metabolic syndrome: Challenges for the hypothesis. Summary: 1: survival...

123

E-Print Network 3.0 - adaptive phased array Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

the desired array response; in this case... of adaptive beamformers on seismic data ... Source: van der Veen, Alle-Jan - Department of Electrical Engineering, Technische...

124

Global methylation responses to low dose radiation exposure  

NLE Websites -- All DOE Office Websites (Extended Search)

methylation responses to low dose radiation exposure methylation responses to low dose radiation exposure Pamela J Sykes, Michelle R Newman, Benjamin J Blyth and Rebecca J Ormsby Haematology and Genetic Pathology, Flinders University and Medical Centre, Flinders Centre for Cancer Prevention and Control, Bedford Park, Adelaide, South Australia 5042 Australia. (pam.sykes@flinders.edu.au). Our goal is to study the mechanisms involved in biological responses to low doses of radiation in vivo in the dose range that is relevant to population and occupational exposures. At high radiation doses, DNA double-strand breaks are considered the critical lesion underlying the initiation of radiation-induced carcinogenesis. However, at the very low radiation doses relevant for the general public, the induction of DNA double-strand breaks

125

Leak test adapter for containers  

DOE Patents (OSTI)

An adapter is provided for facilitating the charging of containers and leak testing penetration areas. The adapter comprises an adapter body and stem which are secured to the container's penetration areas. The container is then pressurized with a tracer gas. Manipulating the adapter stem installs a penetration plug allowing the adapter to be removed and the penetration to be leak tested with a mass spectrometer. Additionally, a method is provided for using the adapter.

Hallett, Brian H. (Elizabeth, PA); Hartley, Michael S. (Canonsburg, PA)

1996-01-01T23:59:59.000Z

126

BIODIVERSITY Incorporating sociocultural adaptive  

E-Print Network (OSTI)

BIODIVERSITY VIEWPOINT Incorporating sociocultural adaptive capacity in conservation hotspot of biodiversity threats. Conservation biogeography (Whittaker et al., 2005) has emerged as a critical area biodiversity (Mawdsley et al., 2009). Adjusting conservation strategies to maintain diversity in recognition

127

Adaptive Street Lighting Controls  

Energy.gov (U.S. Department of Energy (DOE))

This two-partDOE Municipal Solid-State Street Lighting Consortium webinar focused on LED street lighting equipped with adaptive control components. In Part I, presenters Amy Olay of the City of...

128

Adaptability and human genetics.  

Science Journals Connector (OSTI)

...parts of the system follow logically...desiccating winds, and extreme solar radiation...inclusive population system, is a major...Chung, 1966). Hybrid studies are...with population systems, dynamic population...adaptive traits. Hybrid individuals...

W S Laughlin

1968-01-01T23:59:59.000Z

129

Low Dose Radiation Research Program: Regulation of NF-kB and MnSOD in Low  

NLE Websites -- All DOE Office Websites (Extended Search)

NF-kB and MnSOD in Low Dose Radiation-Induced Adaptive NF-kB and MnSOD in Low Dose Radiation-Induced Adaptive Responses in Mouse and Human Skin Cells Jian Jian Li School of Health Sciences, Purdue University West Lafayette, Indiana Why this Project? To determine if low dose ionizing radiation-induced adaptive responses in skin cells are mediated by activation of signaling networks. Project Goals To evaluate the signaling networks involving transcription factor NF-kB and the mitochondrial antioxidant protein MnSOD. To determine if NF-kB is activated by low dose radiation in vivo. To determine if NF-kB activation is critical in the pathways that produce adaptive responses. Experimental Approach Cells transfected with NF-kB luciferase responder genes will be used to define a dose-response relationship for activation of the NF-kB gene. NF-kB

130

Dynamic Adaptation using Xen  

SciTech Connect

The topic of virtualization has received renewed attention. Xen is a popular open source type-I hypervisor. The Xen hypervisor currently has limited capabilities for runtime modification to the core hypervisor, which impairs research into dynamic adaptation for system-level virtualization. This paper discusses recent investigations into the feasibility of extending Xen to support runtime adaptation for core hypervisor service, e.g., scheduler.

Naughton, III, Thomas J [ORNL; Vallee, Geoffroy R [ORNL; Scott, Stephen L [ORNL

2007-01-01T23:59:59.000Z

131

Adaptation and risk management  

SciTech Connect

Adaptation assessment methods are compatible with the international risk management standard ISO:31000. Risk management approaches are increasingly being recommended for adaptation assessments at both national and local levels. Two orientations to assessments can commonly be identified: top-down and bottom-up, and prescriptive and diagnostic. Combinations of these orientations favor different types of assessments. The choice of orientation can be related to uncertainties in prediction and taking action, in the type of adaptation and in the degree of system stress. Adopting multiple viewpoints is to be encouraged, especially in complex situations. The bulk of current guidance material is consistent with top-down and predictive approaches, thus is most suitable for risk scoping and identification. Abroad range ofmaterial fromwithin and beyond the climate change literature can be used to select methods to be used in assessing and implementing adaptation. The framing of risk, correct formulation of the questions being investigated and assessment methodology are critical aspects of the scoping phase. Only when these issues have been addressed should be issue of specific methods and tools be addressed. The reorientation of adaptation from an assessment focused solely on anthropogenic climate change to broader issues of vulnerability/resilience, sustainable development and disaster risk, especially through a risk management framework, can draw from existing policy and management understanding in communities, professions and agencies, incorporating existing agendas, knowledge, risks, and issues they already face.

Preston, Benjamin L [ORNL

2011-01-01T23:59:59.000Z

132

Adaptive filters for detection of gravitational waves from coalescing binaries  

SciTech Connect

In this work we propose use of infinite impulse response adaptive line enhancer (IIR ALE) filters for detection of gravitational waves from coalescing binaries. We extend our previous work and define an adaptive matched filter structure. Filter performance is analyzed in terms of the tracking capability and determination of filter parameters. Furthermore, following the Neyman-Pearson strategy, receiver operating characteristics are derived, with closedform expressions for detection threshold, false alarm, and detection probability. Extensive tests demonstrate the effectiveness of adaptive filters both in terms of small computational cost and robustness.

Eleuteri, Antonio; Milano, Leopoldo; De Rosa, Rosario; Garufi, Fabio; Acernese, Fausto; Barone, Fabrizio; Giordano, Lara; Pardi, Silvio [Dip. di Scienze Fisiche, Universita di Napoli 'Federico II', via Cintia, I-80126 Naples (Italy) and INFN sez. Napoli, via Cintia, I-80126 Naples (Italy); Dip. di Scienze Farmaceutiche, Universita di Salerno, via Ponte Don Melillo, 84084 Fisciano (Saudi Arabia) (IT) and INFN sez. Napoli, via Cintia, I-80126 Naples (Italy); Dip. di Matematica ed Applicazioni, Universita di Napoli 'Federico II', via Cintia, I-80126 Naples (Italy) and INFN sez. Napoli, via Cintia, I-80126 Naples (Italy)

2006-06-15T23:59:59.000Z

133

Climate Change Adaptation Planning  

E-Print Network (OSTI)

of Colorado Law School #12;What is Climate Change Adaptation? "Adjustment in natural or human systems: Vulnerability and Risk Assessments - Current Example - Golden Eagles on the Colorado Plateau Current impact: Golden eagle populations have been declining in portions of the western U.S. Source: BLM Colorado Plateau

Neff, Jason

134

Climate Change Adaptation | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Climate Change Adaptation Climate Change Adaptation Mission The Climate Change Adaptation (CCA) team affirms the overall DOE commitment to plan for and manage the short and...

135

ON AN ADAPTIVE CONTROL ALGORITHM FOR ADAPTIVE OPTICS APPLICATIONS  

E-Print Network (OSTI)

ON AN ADAPTIVE CONTROL ALGORITHM FOR ADAPTIVE OPTICS APPLICATIONS MOODY T. CHU \\Lambda Abstract. The wavefront aberrations induced by atmospheric turbulence can severely degrade the performance of an optical imaging system. Adaptive optics refers to the process of removing unwanted wave front distortions

136

ON AN ADAPTIVE CONTROL ALGORITHM FOR ADAPTIVE OPTICS APPLICATIONS  

E-Print Network (OSTI)

ON AN ADAPTIVE CONTROL ALGORITHM FOR ADAPTIVE OPTICS APPLICATIONS MOODY T. CHU Abstract. The wavefront aberrations induced by atmospheric turbulence can severely degrade the performance of an optical imaging system. Adaptive optics refers to the process of removing unwanted wave front distortions

137

Adaptation of Microvasculature to Pulsatility  

E-Print Network (OSTI)

adaptation has not yet been fully characterized. In fact, standard mathematical models using the common assumption that vessels solely adapt to steady flow do not reproduce normal vascular structure. Therefore, we developed a simple, mathematical model of a...

Bimal, Tia

2013-09-24T23:59:59.000Z

138

IONIZING RADIATION RISKS TO SATELLITE POWER SYSTEMS (SPS) WORKERS  

E-Print Network (OSTI)

Dose-Response Relationships for Radiation-Induced Cancer EstimationDose-Response Relationships for Radiation-Induced Cancer A general hypothesis for estimationof the total dose. Estimation of Space Radiation Induced

Lyman, J.T.

2010-01-01T23:59:59.000Z

139

Radiation Induced Nanocrystal Formation in Metallic Glasses  

E-Print Network (OSTI)

The irradiation of metallic glasses to induce nanocrystallization was studied in two metallic glass compositions, Cu50Zr45Ti5 and Zr55Cu30Al10Ni5. Atomic mobility was described using a model based on localized excess free volume due to displace...

Carter, Jesse

2010-01-14T23:59:59.000Z

140

Transforming Growth Factor ?-1 (TGF-?1) Is a Serum Biomarker of Radiation Induced Fibrosis in Patients Treated With Intracavitary Accelerated Partial Breast Irradiation: Preliminary Results of a Prospective Study  

SciTech Connect

Purpose: To examine a relationship between serum transforming growth factor ? -1 (TGF-?1) values and radiation-induced fibrosis (RIF). Methods and Materials: We conducted a prospective analysis of the development of RIF in 39 women with American Joint Committee on Cancer stage 0-I breast cancer treated with lumpectomy and accelerated partial breast irradiation via intracavitary brachytherapy (IBAPBI). An enzyme-linked immunoassay (Quantikine, R and D, Minneapolis, MN) was used to measure serum TGF-?1 before surgery, before IBAPBI, and during IBAPBI. Blood samples for TGF-?1 were also collected from 15 healthy, nontreated women (controls). The previously validated tissue compliance meter (TCM) was used to objectively assess RIF. Results: The median time to follow-up for 39 patients was 44 months (range, 5-59 months). RIF was graded by the TCM scale as 0, 1, 2, and 3 in 5 of 20 patients (25%), 6 of 20 patients (30%), 5 of 20 patients (25%), and 4 of 20 patients (20%), respectively. The mean serum TGF-?1 values were significantly higher in patients before surgery than in disease-free controls, as follows: all cancer patients (30,201 5889 pg/mL, P=.02); patients with any type of RIF (32,273 5016 pg/mL, P<.0001); and women with moderate to severe RIF (34,462 4713 pg/mL, P<0.0001). Patients with moderate to severe RIF had significantly elevated TGF-?1 levels when compared with those with none to mild RIF before surgery (P=.0014) during IBAPBI (P?0001), and the elevation persisted at 6 months (P?.001), 12 months (P?.001), 18 months (P?.001), and 24 months (P=.12). A receiver operating characteristic (ROC) curve of TGF-?1 values predicting moderate to severe RIF was generated with an area under the curve (AUC){sub ROC} of 0.867 (95% confidence interval 0.700-1.000). The TGF-?1 threshold cutoff was determined to be 31,000 pg/mL, with associated sensitivity and specificity of 77.8% and 90.0%, respectively. Conclusions: TGF-?1 levels correlate with the development of moderate to severe RIF. The pre-IBAPBI mean TGF-?1 levels can serve as an early biomarker for the development of moderate to severe RIF after IBAPBI.

Boothe, Dustin L. [Weill Cornell Medical College of Cornell University, New York, New York (United States); Coplowitz, Shana [Department of Radiation Oncology, Stich Radiation Center, Weill Cornell Medical College of Cornell University, New York, New York (United States); Greenwood, Eleni [Weill Cornell Medical College of Cornell University, New York, New York (United States); Barney, Christian L. [Department of Radiation Oncology, Ohio State University, Columbus, Ohio (United States); Christos, Paul J. [Division of Biostatistics and Epidemiology, Department of Public Health, Weill Cornell Medical College of Cornell University, New York, New York (United States); Parashar, Bhupesh; Nori, Dattatreyudu; Chao, K. S. Clifford [Department of Radiation Oncology, Stich Radiation Center, Weill Cornell Medical College of Cornell University, New York, New York (United States); Wernicke, A. Gabriella, E-mail: gaw9008@med.cornell.edu [Department of Radiation Oncology, Stich Radiation Center, Weill Cornell Medical College of Cornell University, New York, New York (United States)

2013-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Genomic and Expression Analyses of Cold-Adapted Microorganisms.  

SciTech Connect

Contents 7.1 Introduction 7.2 Ecological evidence of bacterial adaptation to cold 7.2.1 Characteristics of cold environments and implications for microbial ecology 7.2.2 Ecological adaptation in Exiguobacterium spp. and Psychrobacter spp. 7.3 Gene Expression Responses to the Cold 7.3.1 Fundamentals of Gene Expression Responses to Cold 7.3.2 Acclimation for Life in Cold Habitats 7.3.2.1 Translation and Chaperone Proteins: Safeguarding the functional units of cellular physiology 7.3.2.2 Carbon and Energy metabolism: resource efficiency over long generation times 7.3.2.3 Amino Acid Biosynthesis: Species-specific responses to species-specific deficiencies 7.3.2.4 Compatible solutes: a concomitant response in cryoenvironments 7.3.2.5 Membrane fluidity: A major role in the overall metabolic rate at temperature 7.3.2.6 The cell wall at low temperature: A poorly understood growth rate determinant 7.3.2.7 Transporters: The balance between local nutrient uptake and depletion 7.3.2.8 Genome plasticity. The potential role of transposases and repeated sequences. 7.4 Protein adaptations to cold 7.4.1 The low temperature challenge 7.4.2 The stability activity relationship 7.4.3 Structural features of cold adapted enzymes. 7.4.4 Hydrophobic interactions 7.4.5 Electrostatic interactions 7.4.5.1 Arginine 7.4.5.2 Acidic residues 7.4.6 Structural elements 7.4.6.1 -helices and -sheets 7.4.6.2 Proline and Glycine 7.4.6.3 Disordered regions 7.5 Comparison of cold- and warm-adapted Exiguobacterium strains 7.5.1 Phylogeny reflects adaptations to environmental conditions 7.5.2 Genomic comparison of two strains 7.6 Summary and future directions

Bakermans, Corien [Pennsylvania State University; Bergholz, Peter W. [Cornell University; Rodrigues, Debora F. [University of Houston, Houston; Vishnivetskaya, T. [University of Tennessee, Knoxville (UTK); Ayala-del-Ro, Hector L. [University of Puerto Rico; Tiedje, James M. [Michigan State University, East Lansing

2011-01-01T23:59:59.000Z

142

Adaptive control for energy conservation  

SciTech Connect

The objective of this project is to investigate the use of adaptive control concepts in buildings with solar-assisted heating, ventilating, and air-conditioning (HVAC) systems to maintain occupant comfort conditions while minimizing auxiliary energy use. Accomplishing this objective requires an energy management system capable of making sound tradeoffs. Optimal control theory is used along with a system identification technique to provide an adaptable stratgy. The resulting overall approach is known as adaptive optimal control (AOC).

Farris, D.R.

1980-03-01T23:59:59.000Z

143

Adaptive coherent interferometric imaging for sensor networks Gregoire Derveauxa)  

E-Print Network (OSTI)

with distributed sensor networks is presented. The sensors record the impulse response of the unknown background imaging when the background is known is considered in Ref.8. The sensors record an approximate impulseAdaptive coherent interferometric imaging for sensor networks Gr´egoire Derveauxa) INRIA Domaine de

Papanicolaou, George C.

144

Adaptive Restoration of Airborne Daedalus AADS1268 ATM Thermal Data  

SciTech Connect

To incorporate the georegistration and restoration processes into airborne data processing in support of U.S. Department of Energy's nuclear emergency response task, we developed an adaptive restoration filter for airborne Daedalus AADS1268 ATM thermal data based on the Wiener filtering theory. Preliminary assessment shows that this filter enhances the detectability of small weak thermal anomalies in AADS1268 thermal images.

D. Yuan; E. Doak; P. Guss; A. Will

2002-01-01T23:59:59.000Z

145

Mutual Inhibition Increases Adaptation Rate in an Electrosensory System 1  

E-Print Network (OSTI)

are the responses of MG cells to the sh's own electric organ discharge (EOD). Corollary discharge signals associated with the motor command that drives the EOD project to the ELL as parallel bers that terminate on apical dendrites of MG cells. Adaptation of MG cells to changes in EOD-evoked electrosensory patterns result from changes

Roberts, Patrick D.

146

Adaptive capacity and its assessment  

SciTech Connect

This paper reviews the concept of adaptive capacity and various approaches to assessing it, particularly with respect to climate variability and change. I find that adaptive capacity is a relatively under-researched topic within the sustainability science and global change communities, particularly since it is uniquely positioned to improve linkages between vulnerability and resilience research. I identify opportunities for advancing the measurement and characterization of adaptive capacity by combining insights from both vulnerability and resilience frameworks, and I suggest several assessment approaches for possible future development that draw from both frameworks and focus on analyzing the governance, institutions, and management that have helped foster adaptive capacity in light of recent climatic events.

Engle, Nathan L.

2011-04-20T23:59:59.000Z

147

Protein Structure Suggests Role as Molecular Adapter  

NLE Websites -- All DOE Office Websites (Extended Search)

Protein Structure Suggests Role Protein Structure Suggests Role as Molecular Adapter Protein Structure Suggests Role as Molecular Adapter Print Wednesday, 24 June 2009 00:00 To split and copy DNA during replication, all cellular organisms use a multicomponent molecular machine known as the replisome. An essential step in replisome assembly is the loading of ring-shaped helicases (motor proteins) onto the separated strands of DNA. Dedicated ATP-fueled proteins regulate the loading; however, the mechanism by which these proteins recruit and deposit helicases has remained unclear. To better understand this process, researchers at the University of California, Berkeley, recently determined the structure of the ATPase region of DnaC, a bacterial helicase loader. The structure revealed that DnaC is a close cousin of DnaA, the protein thought to be responsible for unwinding DNA. Unexpectedly, the team further found that DnaC forms a right-handed helix similar to the state adopted by ATP-bound DnaA. These findings, together with biochemical studies, implicate DnaC as a molecular adapter that uses ATP-activated DnaA as a docking site for ensuring that DnaB (the ring-shaped helicase) is correctly deposited at the onset of replication.

148

Emerging patterns of adaptive re-use : the new American House Hotel  

E-Print Network (OSTI)

This thesis aims to develop a design solution for the adaptive reuse of the American House Hotel that answers an architectural design challenge with technical responses. The process of actualization has been pushed a bit ...

Moody, Linda A

1984-01-01T23:59:59.000Z

149

BRIDGING NAVIGATION, SEARCH AND ADAPTATION. Adaptive Hypermedia Models Evolution  

E-Print Network (OSTI)

Corpus, Dexter Model, AHAM, GAF. Abstract: Adaptive Hypermedia Systems (AHS) have long been concentrating The most referenced (but certainly not only) Adaptive Hypermedia (AH) model dates back to 1999. Since AHAM/Hypermedia modelling from Dexter Model through AHAM to the proposed GAF model, out- line advantages of each framework

De Bra, Paul

150

Personalized video adaptation framework (PIAF): high-level semantic adaptation  

Science Journals Connector (OSTI)

Despite much work on Universal Multimedia Experience (UME), existing video adaptation approaches cannot yet be considered as truly user-centric, mostly due to their poor handling of semantic user preferences. Indeed, these works mainly concentrate on ... Keywords: MPEG-21, MPEG-7, Personalized video, Semantic adaptation, Semantic constraint, Universal multimedia experience

Vanessa El-Khoury, David Coquil, Nadia Bennani, Lionel Brunie

2014-05-01T23:59:59.000Z

151

Adaptive Medical Information Delivery Combining User, Task and Situation Models  

E-Print Network (OSTI)

., in their model for adaptive hypermedia AHAM [2], distinguish content­adaptation from link­ adaptation

152

Introduction Adaptive LBM Realistic computations Conclusions A block-structured parallel adaptive Lattice-Boltzmann  

E-Print Network (OSTI)

Lattice-Boltzmann method for rotating geometries Ralf Deiterding & Stephen Wood+ Deutsches Zentrum f Conclusions Outline Introduction AMROC software Adaptive LBM Lattice Boltzmann method Structured adaptive mesh Introduction AMROC software Adaptive LBM Lattice Boltzmann method Structured adaptive mesh refinement

Deiterding, Ralf

153

Adaptation, Learning, and Optimization over  

E-Print Network (OSTI)

Adaptation, Learning, and Optimization over Networks Ali H. Sayed University of California at Los 2014 A. H. Sayed DOI: 10.1561/2200000051 Adaptation, Learning, and Optimization over Networks Ali H . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.6 Notation and Symbols . . . . . . . . . . . . . . . . . . . . 8 2 Optimization by Single Agents

California at Los Angeles, University of

154

Organizational Adaptation Kathleen M. Carley  

E-Print Network (OSTI)

-humans. For example, they suggest that organizational learning resides not just in the minds of the personnel withinOrganizational Adaptation Kathleen M. Carley Dept. of Social and Decision Sciences Carnegie Mellon: Kathleen M. Carley, 1998, "Organizational Adaptation." Annals of Operations Research. 75: 25-47. #12

Sadeh, Norman M.

155

E-Print Network 3.0 - antioxidant response element-mediated Sample...  

NLE Websites -- All DOE Office Websites (Extended Search)

brake fern (Pteris vittata L.) upon... adaptive biochemical responses such as production of antioxidant ... Source: Ma, Lena - Soil and Water Science Department, University...

156

Low Dose Radiation Research Program: Low Dose Response of Respiratory Cells  

NLE Websites -- All DOE Office Websites (Extended Search)

Low Dose Radiation Research Program: Low Dose Response of Respiratory Low Dose Radiation Research Program: Low Dose Response of Respiratory Cells in Intact Tissues and Reconstituted Tissue Constructs Authors: John Ford, Amy Maslowski, Alex Redd and Les Braby Institutions: Texas A&M University, College Station, TX We are developing a model of respiratory tissue using a perfusion culture system. We are using this system to quantify the effects of normal tissue architecture, and the interaction of epithelial cells with other cell types, on radiation-induced bystander effects. Tracheal tissue taken from young adult Fischer 344 rats is imbedded in a growth factor enriched agarose matrix. The chamber is designed to allow growth medium to periodically wash the epithelial surface of the tracheal lumen while maintaining the air-interface that is necessary for the normal

157

Protein phosphorylation and regulation of adaptive responses in bacteria.  

Science Journals Connector (OSTI)

...a domain which is highly conserved in a large family of bacterial regulatory proteins...Escherichia coli. Sequence identification of the large subunit gene. FEBS Lett. 177:260-264...Kielland-Brandt, and G. R. Fink. 1986. Yeast plasma membrane ATPase is essential for growth...

J B Stock; A J Ninfa; A M Stock

1989-12-01T23:59:59.000Z

158

The AROUND project: Adapting robotic disaster response to developing countries  

E-Print Network (OSTI)

Reduction (WCDR) [20] stresses this necessity in points no 89 ("Advanced technologies for disaster reduction hazards. As a consequence, in cities like Hanoi, not only are disasters (floods, storms, cyclones, fires

Boyer, Edmond

159

Adaptive Response Surface Method Using Inherited Latin Hypercube Design Points  

E-Print Network (OSTI)

ARSM is tested using a group of standard test problems and then applied to an engineering design problem. In both testing and design application, significant improvement in the efficiency of ARSM and positive results have been achieved. Besides CCD, alphabetical optimal designs, especially D

Wang, Gaofeng Gary

160

Automated Grid Disruption Response System: Robust Adaptive Topology Control (RATC)  

SciTech Connect

GENI Project: The RATC research team is using topology control as a mechanism to improve system operations and manage disruptions within the electric grid. The grid is subject to interruption from cascading faults caused by extreme operating conditions, malicious external attacks, and intermittent electricity generation from renewable energy sources. The RATC system is capable of detecting, classifying, and responding to grid disturbances by reconfiguring the grid in order to maintain economically efficient operations while guaranteeing reliability. The RATC system would help prevent future power outages, which account for roughly $80 billion in losses for businesses and consumers each year. Minimizing the time it takes for the grid to respond to expensive interruptions will also make it easier to integrate intermittent renewable energy sources into the grid.

None

2012-03-01T23:59:59.000Z

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Plant Response to Stress: Biochemical Adaptations to Phosphate Deficiency  

E-Print Network (OSTI)

, the world's reserves of rock Pi (mined for production of Pi fertilizers) are expected to be depleted within. In return, the host plant supplies sucrose to fuel the energy demands of the mycorrhizal symbiont Science DOI: 10.1081/E-EPCS 120010648 Copyright D 2004 by Marcel Dekker, Inc. All rights reserved. #12

Plaxton, William

162

Adaptable architecture : a computational exploration into responsive design systems  

E-Print Network (OSTI)

Based on the fact that architecture is, among other things, the crystallization of a mediation among design intentions (function), meaning and contextual constraints (performance), we as designers are obligated to produce ...

Zulas, Alejandro, 1976-

2004-01-01T23:59:59.000Z

163

Responsive Web and Adaptive Web for Open and Ubiquitous Learning  

Science Journals Connector (OSTI)

Online educational processes make use of different tools and platforms through which learning resources can be shared. Nowadays mobile platforms are gaining momentum and learners can experience mobile ubiquitous ...

Marco Mercurio; Ilaria Torre; Simone Torsani

2014-01-01T23:59:59.000Z

164

African Adaptation Programme | Open Energy Information  

Open Energy Info (EERE)

Adaptation Programme Adaptation Programme Jump to: navigation, search Logo: African Adaptations Programme Name African Adaptations Programme Agency/Company /Organization United Nations Development Programme, Government of Japan Topics Adaptation, Finance, Implementation, Policies/deployment programs Website http://www.undp-adaptation.org References AAP[1] Overview "UNDP, with funding from the Government of Japan, recently launched a new programme that uses an innovative approach to climate change adaptation in Africa. Under this programme, UNDP will assist 21 African countries in implementing integrated and comprehensive adaptation actions and resilience plans. The projects will ensure that national development processes incorporate climate change risks and opportunities to secure development gains under a

165

Adaptive Materials Inc | Open Energy Information  

Open Energy Info (EERE)

Michigan Zip: MI 48108 Product: Adaptive Materials Inc (AMI) is a developer of portable fuel cell technology. References: Adaptive Materials Inc1 This article is a stub. You...

166

Energy Efficiency Limits of Load Adaptive Networks  

Science Journals Connector (OSTI)

Based on traffic models the energy consumption of adaptive networks is compared to networks with constant power consumption. The results show that adaptive network resource...

Lange, Christoph; Gladisch, Andreas

167

Management Responsibilities  

NLE Websites -- All DOE Office Websites (Extended Search)

Management Responsibilities Management Responsibilities Depleted UF6 Management Responsibilities DOE has responsibility for safe and efficient management of approximately 700,000 metric tons of depleted UF6. Organizational Responsibilities In the United States, the U.S. Department of Energy is responsible for managing all the depleted uranium that has been generated by the government and has been declared surplus to national defense needs. In addition, as a result of two memoranda of agreement that have been signed between the DOE and USEC, the DOE has assumed management responsibility for approximately 145,000 metric tons of depleted UF6 that has been or will be generated by USEC. Any additional depleted UF6 that USEC generates will be USEC's responsibility to manage. DOE Management Responsibility

168

WeADAPT | Open Energy Information  

Open Energy Info (EERE)

WeADAPT WeADAPT Jump to: navigation, search Name WeADAPT Agency/Company /Organization weADAPT Sector Energy, Land, Water, Climate Resource Type Training materials, Lessons learned/best practices Website http://www.weadapt.org/ References weADAPT[1] "weADAPT.org is an online 'open space' on climate adaptation issues (including the synergies between adaptation and mitigation) which allows practitioners, researchers and policy makers to access credible, high quality information and to share experiences and lessons learnt with the weADAPT community. It is designed to facilitate learning, exchange, collaboration and knowledge integration to build a professional community of practice on adaptation issues while developing policy-relevant tools and guidance for adaptation planning and decision-making.

169

AfricaAdapt | Open Energy Information  

Open Energy Info (EERE)

AfricaAdapt AfricaAdapt Jump to: navigation, search Logo: Africa Adapt Name Africa Adapt Agency/Company /Organization AfricaAdapt Resource Type Training materials, Lessons learned/best practices Website http://www.africa-adapt.net/AA UN Region Eastern Africa, Middle Africa, Northern Africa, Southern Africa, Western Africa References AfricaAdapt[1] Abstract AfricaAdapt is an independent bilingual network (French/English) focused exclusively on Africa. The Network's aim is to facilitate the flow of climate change adaptation knowledge for sustainable livelihoods between researchers, policy makers, civil society organisations and communities who are vulnerable to climate variability and change across the continent. Africa Adapt Screenshot "AfricaAdapt is an independent bilingual network (French/English) focused

170

Autonomous adaptive acoustic relay positioning  

E-Print Network (OSTI)

We consider the problem of maximizing underwater acoustic data transmission by adaptively positioning an autonomous mobile relay so as to learn and exploit spatial variations in channel performance. The acoustic channel ...

Cheung, Mei Yi, S.M. Massachusetts Institute of Technology

2013-01-01T23:59:59.000Z

171

Adaptive and Temporallydependent Document Filtering  

E-Print Network (OSTI)

Adaptive and Temporally­dependent Document Filtering een wetenschappelijke proeve op het gebied van . . . . . . . . . . . . . . . . . . . . . 1 1.2 Document Filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.3 Filtering Filtering Track 57 5.1 What is TREC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 5

Arampatzis, Avi

172

Adaptive multiconfigurational wave functions  

SciTech Connect

A method is suggested to build simple multiconfigurational wave functions specified uniquely by an energy cutoff ?. These are constructed from a model space containing determinants with energy relative to that of the most stable determinant no greater than ?. The resulting ?-CI wave function is adaptive, being able to represent both single-reference and multireference electronic states. We also consider a more compact wave function parameterization (?+SD-CI), which is based on a small ?-CI reference and adds a selection of all the singly and doubly excited determinants generated from it. We report two heuristic algorithms to build ?-CI wave functions. The first is based on an approximate prescreening of the full configuration interaction space, while the second performs a breadth-first search coupled with pruning. The ?-CI and ?+SD-CI approaches are used to compute the dissociation curve of N{sub 2} and the potential energy curves for the first three singlet states of C{sub 2}. Special attention is paid to the issue of energy discontinuities caused by changes in the size of the ?-CI wave function along the potential energy curve. This problem is shown to be solvable by smoothing the matrix elements of the Hamiltonian. Our last example, involving the Cu{sub 2}O{sub 2}{sup 2+} core, illustrates an alternative use of the ?-CI method: as a tool to both estimate the multireference character of a wave function and to create a compact model space to be used in subsequent high-level multireference coupled cluster computations.

Evangelista, Francesco A., E-mail: francesco.evangelista@emory.edu [Department of Chemistry and Cherry L. Emerson Center for Scientific Computation, Emory University, Atlanta, Georgia 30322 (United States)

2014-03-28T23:59:59.000Z

173

Electricity Markets Meet the Home through Demand Response Lazaros Gkatzikis  

E-Print Network (OSTI)

Electricity Markets Meet the Home through Demand Response Lazaros Gkatzikis CERTH, University Hegde, Laurent Massouli´e Technicolor Paris Research Lab Paris, France Abstract-- Demand response (DR the alternative option of dynamic demand adaptation. In this direction, demand response (DR) programs provide

174

Mutations in Global Regulators Lead to Metabolic Selection during Adaptation to Complex Environments  

SciTech Connect

Adaptation to ecologically complex environments can provide insights into the evolutionary dynamics and functional constraints encountered by organisms during natural selection. Unlike adaptation to a single limiting resource, adaptation to a new environment with abundant and varied resources can be difficult to achieve by small incremental changes since many mutations are required to achieve even modest gains in fitness. Since changing complex environments are quite common in nature, we investigated how such an epistatic bottleneck can be avoided to allow rapid adaptation. We show that adaptive mutations arise repeatedly in independently evolved populations in the context of greatly increased genetic and phenotypic diversity. We go on to show that weak selection requiring substantial metabolic reprogramming can be readily achieved by mutations in the global response regulator arcA and the stress response regulator rpoS. We identified 46 unique single-nucleotide variants of arcA and 18 mutations in rpoS, nine of which resulted in stop codons or large deletions, suggesting that a subtle modulation of ArcA function and knockouts of rpoS are largely responsible for the metabolic shifts leading to adaptation. These mutations allow a higher order metabolic selection that eliminates epistatic bottlenecks, which could occur when many changes would be required. Proteomic and carbohydrate analysis of adapting E. coli populations revealed an up-regulation of enzymes associated with the TCA cycle and amino acid metabolism and an increase in the secretion of putrescine. The overall effect of adaptation across populations is to redirect and efficiently utilize uptake and catabolism of abundant amino acids. Concomitantly, there is a pronounced spread of more ecologically limited strains that results from specialization through metabolic erosion. Remarkably, the global regulators arcA and rpoS can provide a one-step mechanism of adaptation to a novel environment, which highlights the importance of global resource management as a powerful strategy to adaptation.

Saxer, Gerda; Krepps, Michael D.; Merkley, Eric D.; Ansong, Charles; Kaiser, Brooke LD; Valovska, Marie-Thrse; Ristic, Nikola; Yeh, Ping T.; Prakash, Vittal; Leiser, Owen P.; Nakhleh, Luay; Gibbons, Henry S.; Kreuzer, Helen W.; Shamoo, Yousif

2014-12-11T23:59:59.000Z

175

Regional Water Management: Adapting to Uncertain Water  

E-Print Network (OSTI)

Regional Water Management: Adapting to Uncertain Water Supply and Demand Jim Schneider, Ph · How Nebraska manages water · Dealing with uncertain water supplies: adaptive management #12;Regional-wide, systematic approach · Flexible--Adaptive Management Adaptive Manageme nt #12;Integrated Water Management

Nebraska-Lincoln, University of

176

Low Dose Radiation Research Program: Genetic Control of Repair and Adaptive  

NLE Websites -- All DOE Office Websites (Extended Search)

Repair and Adaptive Responses to Low-level DNA Damage Repair and Adaptive Responses to Low-level DNA Damage James E. Haber Brandeis University Why This Project In order to fully understand mechanisms resulting in effects of low dose, whole system rather than cells must be examined. Although not identical to mammalian systems, simple systems usually have many similarities and give direction for further study of more complex systems. We use the budding yeast, Saccharomyces cerevisiae, as a model system because it is easy to manipulate and its genome is simple and well characterized. Project Goals Examine mechanisms and effects of low dose radiation response for: Genetic recombination mechanisms that lead to genomic instability Genetic factors that affect individual susceptibility to low-dose radiation The adaptive response

177

Training Adaptive Decision-Making.  

SciTech Connect

Adaptive Thinking has been defined here as the capacity to recognize when a course of action that may have previously been effective is no longer effective and there is need to adjust strategy. Research was undertaken with human test subjects to identify the factors that contribute to adaptive thinking. It was discovered that those most effective in settings that call for adaptive thinking tend to possess a superior capacity to quickly and effectively generate possible courses of action, as measured using the Category Generation test. Software developed for this research has been applied to develop capabilities enabling analysts to identify crucial factors that are predictive of outcomes in fore-on-force simulation exercises.

Abbott, Robert G.; Forsythe, James C.

2014-10-01T23:59:59.000Z

178

BC Agriculture Climate Change Adaptation  

E-Print Network (OSTI)

BC Agriculture Climate Change Adaptation Risk + Opportunity Assessment Provincial Report #12;published March 2012 by the British Columbia Agriculture & Food Climate Action Initiative www.BCAgClimateAction.ca project funding provided by Agriculture and Agri-food Canada BC Ministry of Agriculture BC Ministry

Pedersen, Tom

179

BC Agriculture Climate Change Adaptation  

E-Print Network (OSTI)

BC Agriculture Climate Change Adaptation Risk + Opportunity Assessment Provincial Report executive summary #12;published March 2012 by the British Columbia Agriculture & Food Climate Action Initiative www.BCAgClimateAction.ca project funding provided by Agriculture and Agri-food Canada BC Ministry of Agriculture BC Ministry

Pedersen, Tom

180

Adaptive wiener image restoration kernel  

DOE Patents (OSTI)

A method and device for restoration of electro-optical image data using an adaptive Wiener filter begins with constructing imaging system Optical Transfer Function, and the Fourier Transformations of the noise and the image. A spatial representation of the imaged object is restored by spatial convolution of the image using a Wiener restoration kernel.

Yuan, Ding (Henderson, NV)

2007-06-05T23:59:59.000Z

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

7, 72357275, 2007 Adaptive radiative  

E-Print Network (OSTI)

Discussions Two adaptive radiative transfer schemes for numerical weather prediction models V. Venema 1 , A numerical weather prediction (NWP) and climate models. The atmosphere and the land surface are complex-stream approximation. In most weather prediction models these parameterisation schemes are therefore called infre

Boyer, Edmond

182

Investigating Intrusiveness of Workload Adaptation  

Science Journals Connector (OSTI)

In this paper, we investigate how an automatic task assistant which can detect and react to a user's workload level is able to support the user in a complex, dynamic task. In a user study, we design a dispatcher scenario with low and high workload conditions ... Keywords: brain computer interface, intrusiveness, user study, workload adaptive assistance

Felix Putze, Tanja Schultz

2014-11-01T23:59:59.000Z

183

Climate Change Adaptation Planning | Department of Energy  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Change Adaptation Planning Climate Change Adaptation Planning October 7, 2014 6:00AM CDT to October 9, 2014 3:00PM CDT Norman, Oklahoma This course provides an introduction to...

184

E-Print Network 3.0 - adaptive systems Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

adaptive systems Page: << < 1 2 3 4 5 > >> 1 From Adaptive Hypermedia to the Adaptive Web Systems Summary: 1 From Adaptive Hypermedia to the Adaptive Web Systems Peter...

185

Brief Supervision of adaptive control algorithms  

Science Journals Connector (OSTI)

An adaptive controller needs supervisory functions in order to function well in an industrial environment. This paper describes these needs, and provides examples of supervisory functions that presently are used in industrial adaptive controllers. These ... Keywords: Adaptive control, Detection, Industrial control, Supervision

Tore HGglund; Karl Johan StrM

2000-08-01T23:59:59.000Z

186

Entropy Adaptive On-Line Compression  

Science Journals Connector (OSTI)

Self-Organization is based on adaptivity. Adaptivity should start with the very basic fundamental communication tasks such as encoding the information to be transmitted or stored. Obviously, the less signal transmitted the less energy in transmission ... Keywords: On-line compression, adaptive compression

Shlomi Dolev, Sergey Frenkel, Marina Kopeetsky

2014-08-01T23:59:59.000Z

187

Genetic shift in photoperiodic response correlated with global warming  

E-Print Network (OSTI)

Genetic shift in photoperiodic response correlated with global warming William E. Bradshaw observed in insects, birds, amphibians, and plants associated with global warm- ing during the latter half- tent with an adaptive evolutionary response to recent global warming. The latter half of the 20th

Cochran-Stafira, D. Liane

188

Adaptive Comfort Model: Simulations & Future Directions  

NLE Websites -- All DOE Office Websites (Extended Search)

Adaptive Comfort Model: Simulations & Future Directions Adaptive Comfort Model: Simulations & Future Directions Speaker(s): Richard de Dear Date: February 4, 2011 - 12:00pm Location: 90-4133 Seminar Host/Point of Contact: Philip Haves The last 20 years of thermal comfort have witnessed a shift away from the "static" approach (exemplified by the PMV/PPD model) towards the adaptive approach (exemplified by the adaptive models in ASHRAE's Standard 55 (2004, 2010) and the European Union's counterpart standard, EN15251 (2007). - the basis and derivation of the adaptive comfort model - adaptive comfort standards (ASHRAE 55 and EN15251) - new developments and directions (reporting back from the January 2011 ASHRAE Meeting of SSPC-55 in Las Vegas) - environmental variables other than dry bulb, in the adaptive model

189

Center for Adaptive Optics* Santa Cruz,CA  

E-Print Network (OSTI)

Center for Adaptive Optics* Santa Cruz,CA The Center for Adaptive Optics (CfAO) will concentrate on astronomical and vision science applications of adaptive optics and will reach out to other adaptive optics communities to share technologies. It will develop new instruments optimized for adaptive optics. Adaptive

Grether, Gregory

190

Issues in adaptive mesh refinement  

SciTech Connect

In this paper, we present an approach for a patch-based adaptive mesh refinement (AMR) for multi-physics simulations. The approach consists of clustering, symmetry preserving, mesh continuity, flux correction, communications, and management of patches. Among the special features of this patch-based AMR are symmetry preserving, efficiency of refinement, special implementation offlux correction, and patch management in parallel computing environments. Here, higher efficiency of refinement means less unnecessarily refined cells for a given set of cells to be refined. To demonstrate the capability of the AMR framework, hydrodynamics simulations with many levels of refinement are shown in both two- and three-dimensions.

Dai, William Wenlong [Los Alamos National Laboratory

2009-01-01T23:59:59.000Z

191

Adaptive management: a paradigm for remediation of public facilities  

SciTech Connect

Public facility restoration planning traditionally focused on response to natural disasters and hazardous materials accidental releases. These plans now need to integrate response to terrorist actions. Therefore, plans must address a wide range of potential vulnerabilities. Similar types of broad remediation planning are needed for restoration of waste and hazardous material handling areas and facilities. There are strong similarities in damage results and remediation activities between unintentional and terrorist actions; however, the uncertainties associated with terrorist actions result in a re-evaluation of approaches to planning. Restoration of public facilities following a release of a hazardous material is inherently far more complex than in confined industrial settings and has many unique technical, economic, social, and political challenges. Therefore, they arguably involve a superset of drivers, concerns and public agencies compared to other restoration efforts. This superset of conditions increases complexity of interactions, reduces our knowledge of the initial conditions, and even condenses the timeline for restoration response. Therefore, evaluations of alternative restoration management approaches developed for responding to terrorist actions provide useful knowledge for large, complex waste management projects. Whereas present planning documents have substantial linearity in their organization, the 'adaptive management' paradigm provides a constructive parallel operations paradigm for restoration of facilities that anticipates and plans for uncertainty, multiple/simUltaneous public agency actions, and stakeholder participation. Adaptive management grew out of the need to manage and restore natural resources in highly complex and changing environments with limited knowledge about causal relationships and responses to restoration actions. Similarities between natural resource management and restoration of a facility and surrounding area(s) after a disruptive event suggest numerous advantages over preset linearly-structured plans by incorporating the flexibility and overlap of processes inherent in effective facility restoration. We discuss three restoration case studies (e.g., the Hart Senate Office Building anthrax restoration, Rocky Flats actinide remediation, and hurricane destruction restoration), that implement aspects of adaptive management but not a formal approach. We propose that more formal adoption of adaptive management principles could be a basis for more flexible standards to improve site-specific remediation plans under conditions of high uncertainty.

Janecky, David R [Los Alamos National Laboratory; Whicker, Jeffrey J [Los Alamos National Laboratory; Doerr, Ted B [NON LANL

2009-01-01T23:59:59.000Z

192

Response Elements  

Directives, Delegations, and Requirements

The Guide provides acceptable methods for meeting the requirement of DOE O 151.1C for response elements that respond or contribute to response as needed in an emergency. Cancels DOE G 151.1-1, Volume 3-1, DOE G 151.1-1, Volume 3-2, DOE G 151.1-1, Volume 3-3, DOE G 151.1-1, Volume 3-4, DOE G 151.1-1, Volume 4-1, DOE G 151.1-1, Volume 4-2, DOE G 151.1-1, Volume 4-3, DOE G 151.1-1, Volume 4-4, DOE G 151.1-1, Volume 4-5, and DOE G 151.1-1, Volume 4-6.

2007-07-11T23:59:59.000Z

193

Adaptive Robust Control of Programmable Valves with Manufacturer Supplied Flow Mapping Only  

E-Print Network (OSTI)

and final tracking accuracy. In addition, real-time adaptation is used to reduce the degree of modelling-in and meter-out orifices [2], [3], [4] through valves number 1,2 and 4,5; and ii) enabling the precise control is the significant modelling error. The cartridge valves are of fast response and low cost but low accuracy

Yao, Bin

194

An Adaptive Cartesian Detonation Solver for Fluid-Structure Interaction Simulation on Distributed Memory Computers  

E-Print Network (OSTI)

An Adaptive Cartesian Detonation Solver for Fluid-Structure Interaction Simulation on Distributed shock and detonation waves impinging on deforming solid structures benefit significantly from) for studying the three- dimensional dynamic response of solid materials subject to strong shock and detonation

195

Climate Change Adaptation New Perspectives for Natural Resource Management and Conservation1  

E-Print Network (OSTI)

Climate Change Adaptation New Perspectives for Natural Resource Management and Conservation1 Institute of Food and Agricultural Sciences February 2012 A Changing Climate for Conservation Climate change species of plants and animals are already shifting their distributions in response to climate change

Mazzotti, Frank

196

Forecasting with adaptive extended exponential smoothing  

Science Journals Connector (OSTI)

Much of product level forecasting is based upon time series techniques. However, traditional time series forecasting techniques have offered either smoothing constant adaptability or consideration of various t...

John T. Mentzer Ph.D.

197

ChapterTitle ADAPTIVE EXPONENTIAL SMOOTHING  

Science Journals Connector (OSTI)

The single exponential smoothing forecasting model requires the specification of a ... ?, which determines the degree of model smoothing. Proper selection of the coefficient ? is...adaptive exponential smoothing,...

2000-01-01T23:59:59.000Z

198

Training for Climate Adaptation in Conservation  

Energy.gov (U.S. Department of Energy (DOE))

The Wildlife Conservation Society and the Northern Institute of Applied Climate Science are hosting this two-day training for climate adaptation.

199

Assessing Climate Change Impacts, Vulnerability and Adaptation...  

Open Energy Info (EERE)

The Case of Pantabangan-Carranglan Watershed Jump to: navigation, search Name Assessing Climate Change Impacts, Vulnerability and Adaptation: The Case of Pantabangan-Carranglan...

200

Mainstreaming Climate Change Adaptation into Development Planning...  

Open Energy Info (EERE)

Practitioners Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Mainstreaming Climate Change Adaptation into Development Planning: A Guide for Practitioners Agency...

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

Machine Learning for Adaptive Computer Game Opponents .  

E-Print Network (OSTI)

??This thesis investigates the use of machine learning techniques in computer games to create a computer player that adapts to its opponent's game-play. This includes (more)

Miles, Jonathan David

2009-01-01T23:59:59.000Z

202

Adaptive Barrier Strategies for Nonlinear Interior Methods  

E-Print Network (OSTI)

Feb 25, 2005 ... that adaptive choices, such as Mehrotra's probing procedure, outperform ... focus on the effects of merit functions or filters, and on regularization...

2005-02-25T23:59:59.000Z

203

Crosscutting Subsurface Initiative: Adaptive Control of Subsurface...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

in the ability to access, characterize, predict, and adaptively manipulate fracture and flow processes over scales from nanometers to kilometers. This town hall...

204

2014 DOE Climate Change Adaptation Plan  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

systems face increasing risks from shifting disease vectors, temperature increases and health care system infrastructure from a changing climate DOE Climate Change Adaptation...

205

Promoting a functional and comparative understanding of the conifer genome- implementing applied aspects for more productive and adapted forests (ProCoGen)  

Science Journals Connector (OSTI)

In the midst of a climatic change scenario, the genetics of adaptive response in conifers becomes essential to ensure a sustainable management of genetic resources and an effective breeding. Conifers are the targ...

Carmen Daz-Sala; Teresa Cervera

2011-09-01T23:59:59.000Z

206

EOLSS ADAPTATIONS TO LIFE IN MARINE CAVES PAGE 1 ADAPTATIONS TO LIFE IN MARINE CAVES  

E-Print Network (OSTI)

EOLSS ­ ADAPTATIONS TO LIFE IN MARINE CAVES PAGE 1 ADAPTATIONS TO LIFE IN MARINE CAVES Thomas M. Iliffe, Department of Marine Biology, Texas A&M University at Galveston, USA Renée E. Bishop, Department, biodiversity, ecology, adaptation, evolution, behavior, conservation, endangered species, cave diving

Iliffe, Thomas M.

207

Rights-based evaluation of government responses to a given 'natural' disaster : Katrina as case study  

E-Print Network (OSTI)

Disaster impacts human mobility and a rights-based approach to disaster response is needed to protect the human rights of those who seek migration as an adaptation strategy. This paper deals with returning to a place after ...

Haeffner, Melissa (Melissa Ann)

2010-01-01T23:59:59.000Z

208

Adaptive Port Reduction in Static Condensation  

E-Print Network (OSTI)

Adaptive Port Reduction in Static Condensation JL Eftang DBP Huynh DJ Knezevic EM Rønquist a framework for adaptive reduction of the degrees of freedom associated with ports in static condensation (SC reduction for the interior of a component with model order reduction on the ports in order to rapidly

Rønquist, Einar M.

209

Adaptive Composite Map Projections Bernhard Jenny  

E-Print Network (OSTI)

Adaptive Composite Map Projections Bernhard Jenny Abstract--All major web mapping services use.The proposed composite map projection combines several projections that are recommended in cartographic.The composite projection adapts the maps geometry to scale, to the maps height-to-width ratio

Jenny, Bernhard

210

Outreach and Adaptive Strategies for Climate Change  

E-Print Network (OSTI)

Outreach and Adaptive Strategies for Climate Change: The Role of NOAA Sea Grant Extension years and generations about how to adapt to a changing climate. Effective preparation for possible effects of climate change includes engagement of resource managers, planners, public works officials

211

A fuzzy-tuned adaptive Kalman filter  

E-Print Network (OSTI)

In this paper, fuzzy processing is applied to the adaptive Kalman filter. The filter gain coefficients are adapted over a 50 dB range of unknown signal/noise dynamics, using fuzzy membership functions. Specific simulation results are shown for a...

Painter, John H.; Young Hwan Lho

1993-12-01T23:59:59.000Z

212

WORKLOAD ADAPTATION IN AUTONOMIC DATABASE MANAGEMENT SYSTEMS  

E-Print Network (OSTI)

in Autonomic DBMSs", Proceedings of the 2nd International Workshop on Self-Managing Database Systems (SMDB 2007 to meet its Service Level Objectives (SLOs). It is a challenge to adapt multiple workloads with complex scheduler that performs workload adaptation in a DBMS, as the test bed to prove the effectiveness

213

Proceedings of the International Workshop on Adaptation,  

E-Print Network (OSTI)

Proceedings of the 1st International Workshop on Adaptation, Personalization and REcommendation. Carrero3 1 Universidad Autónoma de Madrid, Spain {ivan.cantador, david.vallet}@uam.es 2 Yahoo! Research.carrero}@uem.es #12;#12;Preface The 1st International Workshop on Adaptation, Personalization and REcommendation

Cantador, Iván

214

Adaptive computations on conforming quadtree meshes  

Science Journals Connector (OSTI)

In this paper, the quadtree data structure and conforming polygonal interpolants are used to develop an h-adaptive finite element method. Quadtree is a hierarchical data structure that is computationally attractive for adaptive numerical simulations. ... Keywords: Barycentric coordinates, Hanging nodes, Laplace interpolant, Meshfree methods, Natural neighbors, Quadtree data structure

A. Tabarraei; N. Sukumar

2005-04-01T23:59:59.000Z

215

Safety implementation of adaptive embedded control components  

Science Journals Connector (OSTI)

The paper deals with dynamic reconfigurations of component-based adaptive embedded control systems to be automatically handled at run-time by intelligent agents. We define a Control Component as a software unit supporting control tasks of the system ... Keywords: adaptive embedded control system, dynamic reconfiguration, intelligent agent, semaphore, software control component

Atef Gharbi; Mohamed Khalgui; Samir Ben Ahmed

2011-09-01T23:59:59.000Z

216

Adaptive performance support for fault diagnosis  

Science Journals Connector (OSTI)

This paper introduces a strategy, a user model, and a methodology for utilising adaptive hypermedia in performance support domain and specifically for fault diagnosis. This utilisation is implemented by employing task-specific and user-centred hypermedia ... Keywords: adaptive hypermedia, diagnostic expert systems, performance support systems, semantic data modelling, user modelling

Ammar M. Huneiti

2008-07-01T23:59:59.000Z

217

Creating Adaptive Feedback designed for Improving Data Entry Accuracy  

E-Print Network (OSTI)

Abstract- Data quality is a critical problem in modern databases. Data-entry forms present the first and arguably best opportunity for detecting and mitigating errors, but there has been little research into automatic methods for improving data quality at entry time. In this paper, we propose USHER, an end-to-end system for form design, entry, and data quality assurance. Using previous form submissions, USHER learns a probabilistic model over the questions of the form. USHER then applies this model at every step of the data-entry process to improve data quality. Before entry, it induces a form layout that captures the most important data values of a form instance as quickly as possible and reduces the complexity of error-prone questions. During entry, it dynamically adapts the form to the values being entered by providing real-time interface feedback, reasking questions with dubious responses, and simplifying questions by reformulating them. After entry, it revisits question responses that it deems likely to have been entered incorrectly by reasking the question or a reformulation thereof. We evaluate these components of USHER using two real-world data sets. Our results demonstrate that USHER can improve data quality considerably at a reduced cost when compared to current practice. Index Terms- Data quality, data entry, form design, adaptive form. O I.

P. Jaya Prakash; B. Venkateswarlu; S. Abdul Jeelan; Assistant Professors; Andhra Pradesh-india

218

Demand Response and Open Automated Demand Response  

E-Print Network (OSTI)

LBNL-3047E Demand Response and Open Automated Demand Response Opportunities for Data Centers G described in this report was coordinated by the Demand Response Research Center and funded by the California. Demand Response and Open Automated Demand Response Opportunities for Data Centers. California Energy

219

Adapting to health impacts of climate change: a study of UNFCCC Annex I  

Science Journals Connector (OSTI)

Adapting to the health effects of climate change is one of the key challenges facing public health this century. Our knowledge of progress on adaptation, however, remains in its infancy. Using the Fifth National Communications of Annex I parties to the UNFCCC, 1912 initiatives are systematically identified and analyzed. 80% of the actions identified consist of groundwork (i.e.preparatory) action, with only 20% constituting tangible adaptations. No health vulnerability was recognized by all 38 Annex I countries. Furthermore, while all initiatives affect at least one health vulnerability, only 15% had an explicit human health component. Consideration for the special needs of vulnerable groups is uneven and underdeveloped. Climate change is directly motivating 71% of groundwork actions, and 61% of adaptation initiatives are being mainstreamed into existing institutions or programs. We conclude that the adaptation responses to the health risks of climate change remain piecemeal. Policymakers in the health sector must engage with stakeholders to implement adaptation that considers how climate change will impact the health of each segment of the population, particularly within those groups already considered most vulnerable to poor health outcomes.

A C Lesnikowski; J D Ford; L Berrang-Ford; J A Paterson; M Barrera; S J Heymann

2011-01-01T23:59:59.000Z

220

Dangerous climate change and the importance of adaptation for the Arctic's Inuit  

Science Journals Connector (OSTI)

The Arctic's climate is changing rapidly, to the extent that 'dangerous' climate change as defined by the United Nations Framework on Climate Change might already be occurring. These changes are having implications for the Arctic's Inuit population and are being exacerbated by the dependence of Inuit on biophysical resources for livelihoods and the low socio-economichealth status of many northern communities. Given the nature of current climate change and projections of a rapidly warming Arctic, climate policy assumes a particular importance for Inuit regions. This paper argues that efforts to stabilize and reduce greenhouse gas emissions are urgent if we are to avoid runaway climate change in the Arctic, but unlikely to prevent changes which will be dangerous for Inuit. In this context, a new policy discourse on climate change is required for Arctic regionsone that focuses on adaptation. The paper demonstrates that states with Inuit populations and the international community in general has obligations to assist Inuit to adapt to climate change through international human rights and climate change treaties. However, the adaptation deficit, in terms of what we know and what we need to know to facilitate successful adaptation, is particularly large in an Arctic context and limiting the ability to develop response options. Moreover, adaptation as an option of response to climate change is still marginal in policy negotiations and Inuit political actors have been slow to argue the need for adaptation assistance. A new focus on adaptation in both policy negotiations and scientific research is needed to enhance Inuit resilience and reduce vulnerability in a rapidly changing climate.

James D Ford

2009-01-01T23:59:59.000Z

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they are not comprehensive nor are they the most current set.
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to obtain the most current and comprehensive results.


221

A Functional Interaction of the C-Abl and Heat Shock Response Pathways in  

NLE Websites -- All DOE Office Websites (Extended Search)

Functional Interaction of the C-Abl and Heat Shock Response Pathways in Functional Interaction of the C-Abl and Heat Shock Response Pathways in Radio-Adaptive Response Hang Su & Zhi-Min Yuan University of Texas Health Science Center at San Antonio Abstract A functional interaction of the c-Abl and heat shock response pathways in radio-adaptive response Hang Su & Zhi-Min Yuan. Department of Radiation Oncology, UTHSCSA The radio-adaptive response, i.e. a low dose of radiation can protect cells and organisms from the effects of a subsequent higher dose, is a phenomenon that has been widely recognized. However, mechanisms underlying such radiation hormesis remain largely unclear. Our preliminary studies have uncovered a crucial role for the c-Abl tyrosine kinase as evidenced by that c-Abl-deficient cells exhibited a compromised

222

Petascale Adaptive Computational Fluid Dynamics | Argonne Leadership  

NLE Websites -- All DOE Office Websites (Extended Search)

Petascale Adaptive Computational Fluid Dynamics Petascale Adaptive Computational Fluid Dynamics PI Name: Kenneth Jansen PI Email: jansen@rpi.edu Institution: Rensselaer Polytechnic Institute The specific aim of this request for resources is to examine scalability and robustness of our code on BG/P. We have confirmed that, during the flow solve phase, our CFD flow solver does exhibit perfect strong scaling to the full 32k cores on our local machine (CCNI-BG/L at RPI) but this will be our first access to BG/P. We are also eager to study the performance of the adaptive phase of our code. Some aspects have scaled well on BG/L (e.g., refinement has produced adaptive meshes that take a 17 million element mesh and perform local adaptivity on 16k cores to match a requested size field to produce a mesh exceeding 1 billion elements) but other aspects (e.g.,

223

E-Print Network 3.0 - adaptive systems theory Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

systems theory Page: << < 1 2 3 4 5 > >> 1 From Adaptive Hypermedia to the Adaptive Web Systems Summary: 1 From Adaptive Hypermedia to the Adaptive Web Systems Peter...

224

Adapting agriculture to climate change  

Science Journals Connector (OSTI)

...foster governance and political rights, among many others...broad resilience to risk or to promote sustainable...habitat loss, less risk of carbon loss...services, including insurance (55). Importantly...assessing climate risk and devising response...underlying socioeconomic, political, and technological...

S. Mark Howden; Jean-Franois Soussana; Francesco N. Tubiello; Netra Chhetri; Michael Dunlop; Holger Meinke

2007-01-01T23:59:59.000Z

225

CONSULTATION RESPONSE Wellcome Trust response to Workforce  

E-Print Network (OSTI)

account of in workforce planning. The importance of integrating academic training with clinical trainingCONSULTATION RESPONSE Wellcome Trust response to Workforce of the Healthcare Science Workforce Modernising Scientific Careers: The Next Steps Response by the Wellcome Trust

Rambaut, Andrew

226

Pacific Adaptation Strategy Assistance Program Dynamical Seasonal Forecasting  

E-Print Network (OSTI)

Pacific Adaptation Strategy Assistance Program Dynamical Seasonal Forecasting Seasonal Prediction · POAMA · Issues for future Outline #12;Pacific Adaptation Strategy Assistance Program Major source Adaptation Strategy Assistance Program El Nino Mean State · Easterlies westward surface current upwelling

Lim, Eun-pa

227

2014 DOE Climate Change Adaptation Plan | Department of Energy  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

2014 DOE Climate Change Adaptation Plan 2014 DOE Climate Change Adaptation Plan Document presents the U.S. Department of Energy (DOE) 2014 plan for adapting to climate change....

228

Commercial & Industrial Demand Response  

NLE Websites -- All DOE Office Websites (Extended Search)

Resources News & Events Expand News & Events Skip navigation links Smart Grid Demand Response Agricultural Residential Demand Response Commercial & Industrial Demand Response...

229

National Adaptation Forum Webinar Series: Out of Town, Not Out...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Adaptation Forum Webinar Series: Out of Town, Not Out of Trouble: Small Agriculture and Indigenous Communities National Adaptation Forum Webinar Series: Out of Town, Not Out of...

230

Burundi-National Adaptation Plan of Action to Climate Change...  

Open Energy Info (EERE)

Burundi-National Adaptation Plan of Action to Climate Change Jump to: navigation, search Name Burundi-National Adaptation Plan of Action to Climate Change AgencyCompany...

231

GIZ Sourcebook Module 5f: Adapting Urban Transport to Climate...  

Open Energy Info (EERE)

f: Adapting Urban Transport to Climate Change Jump to: navigation, search Tool Summary LAUNCH TOOL Name: GIZ Sourcebook Module 5f: Adapting Urban Transport to Climate Change...

232

Rwanda-National Adaptation Programs of Action to Climate Change...  

Open Energy Info (EERE)

Name Rwanda-National Adaptation Programs of Action to Climate Change AgencyCompany Organization United Nations Environment Programme Topics Adaptation, Background analysis...

233

Software Adaptation Patterns for Service-Oriented Architectures .  

E-Print Network (OSTI)

??This thesis describes the concept of software adaptation patterns and how they can be used in software adaptation of service-oriented architectures. The patterns are described (more)

Hashimoto, Koji

2010-01-01T23:59:59.000Z

234

Adapting technology to keep the national infrastructure safe...  

NLE Websites -- All DOE Office Websites (Extended Search)

Adapting technology to keep the national infrastructure safe and secure Identifying threats and responding to disasters September 1, 2013 Adapting Lab technology to help recover...

235

Development of an adaptive fuzzy logic controller for HVAC system.  

E-Print Network (OSTI)

??An adaptive approach to control a cooling coil chilled water valve operation, called adaptive fuzzy logic control (AFLC), is developed and validated in this study. (more)

Navale, Rahul Laxman

2006-01-01T23:59:59.000Z

236

Adaptive Rejection of Narrow Band Disturbance in Hard Disk Drives  

E-Print Network (OSTI)

feedback representation of the PAA for adapting narrow bandrepresentation of the PAA for stability analysis. .92adaptation algorithm (PAA). These identified parameters are

Zheng, Qixing

2009-01-01T23:59:59.000Z

237

Fluctuations and information filtering in coupled populations of spiking neurons with adaptation  

Science Journals Connector (OSTI)

Finite-sized populations of spiking elements are fundamental to brain function but also are used in many areas of physics. Here we present a theory of the dynamics of finite-sized populations of spiking units, based on a quasirenewal description of neurons with adaptation. We derive an integral equation with colored noise that governs the stochastic dynamics of the population activity in response to time-dependent stimulation and calculate the spectral density in the asynchronous state. We show that systems of coupled populations with adaptation can generate a frequency band in which sensory information is preferentially encoded. The theory is applicable to fully as well as randomly connected networks and to leaky integrate-and-fire as well as to generalized spiking neurons with adaptation on multiple time scales.

Moritz Deger; Tilo Schwalger; Richard Naud; Wulfram Gerstner

2014-12-01T23:59:59.000Z

238

Information Resources: Adaptive Street Lighting Controls  

NLE Websites -- All DOE Office Websites (Extended Search)

Adaptive Street Lighting Controls Adaptive Street Lighting Controls This two-part DOE Municipal Solid-State Street Lighting Consortium webinar focused on LED street lighting equipped with adaptive control components. In Part I, presenters Amy Olay of the City of San Jose, CA, and Kelly Cunningham of the California Lighting Technology Center at UC Davis discussed their experiences as early adopters of these smart street lighting systems. In Part II, presenters Laura Stuchinsky of the City of San Jose, CA, and Michael Poplawski of Pacific Northwest National Laboratory explored the MSSLC's recently released Model Specification for Adaptive Control and Remote Monitoring of LED Roadway Luminaires. Part I: Experiences and Benefits June 11, 2013 View the presentation slides Part II: Reviewing the MSSLC's Model Specification

239

Human adaptation of avian influenza viruses  

E-Print Network (OSTI)

Human adaptation of avian influenza viruses pose an enormous public health challenge as the human population is predominantly naive to avian influenza antigens. As such, constant surveillance is needed to monitor the ...

Srinivasan, Karunya

2012-01-01T23:59:59.000Z

240

Marginalized Monitoring: Adaptively Managing Urban Stormwater  

E-Print Network (OSTI)

environmental assessment, 28 Superfund decisionmaking, 29 Endangered Species Act decisionmaking, 30 and water management.Environmental Impacts Under Florida Water Law: From Water Wars Towards Adaptive Management ,water infrastructure problems. And yet, the environmental management

Scanlan, Melissa K; Tai, Stephanie

2013-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

A Logical Characterization of Adaptive Educational Hypermedia  

E-Print Network (OSTI)

reference models for adaptive hypermedia, e.g. the AHAM Reference Model [4], or the Munich Reference Model [20]. Both, the AHAM and Munich Reference Model, extend the Dexter Hypertext Model [16], and pro- vide

Henze, Nicola

242

Adaptive Resource Management Craig E. Wills  

E-Print Network (OSTI)

Adaptive Resource Management Craig E. Wills Surendar Chandra # Computer Science Department fixed approaches to manage information. However fixed solutions to information management. These servers manage information about machines, users, files and other objects. The typical approach

Chandra, Surendar

243

Optimization Online - Multistage Adaptive Robust Optimization for ...  

E-Print Network (OSTI)

Sep 5, 2014 ... ... with the increasing penetration of wind and solar power generation has ... Keywords: Electric energy systems, multistage robust optimization, ... Multistage Adaptive Robust Optimization for the Unit Commitment Problem.

Alvaro Lorca

2014-09-05T23:59:59.000Z

244

Anisotropic Grid Adaptation for Multiple Aerodynamic Outputs  

E-Print Network (OSTI)

Anisotropic gridadaptive strategies are presented for viscous flow simulations in which the accurate prediction of multiple aerodynamic outputs (such as the lift, drag, and moment coefficients) is required from a single ...

Venditti, David A.

245

Statistical Design for Adaptive Weather Observations  

Science Journals Connector (OSTI)

Suppose that one has the freedom to adapt the observational network by choosing the times and locations of observations. Which choices would yield the best analysis of the atmospheric state or the best subsequent forecast? Here, this problem of ...

L. Mark Berliner; Zhan-Qian Lu; Chris Snyder

1999-08-01T23:59:59.000Z

246

Adaptive unstructured volume remeshing - I: the method  

Science Journals Connector (OSTI)

We present an adaptive remeshing algorithm for meshes of unstructured triangles in two dimensions and unstructured tetrahedra in three dimensions. The algorithm automatically adjusts the size of the elements with time and position in the computational ...

Anthony Anderson; Xiaoming Zheng; Vittorio Cristini

2005-09-01T23:59:59.000Z

247

Content adaptivity in wireless web access  

Science Journals Connector (OSTI)

While the demand for wireless access to web-based systems increases, it becomes apparent that the design of most systems does not support the use of small screen end-devices such as PDAs or mobile phones. However, enabling wireless access should ... Keywords: adaptivity, cohesion preorder, conceptual modelling, content adaptation, internet, media types, mobile clients, mobile communications, proximity values, web-based systems, wireless access

Klaus-Dieter Schewe; Kinshuk; Tiong Goh

2004-09-01T23:59:59.000Z

248

Fully Adaptive AMG Scott MacLachlan  

E-Print Network (OSTI)

" Ah "-1 ik ff Energy measure: Let G (i) j = (Ah )-1 ij , Sij = G(i) - G (i) j e(j) Ah G(i) Ah Fully, Sij? Apply (localized) relaxation to Ah G(i) = e(i) Fully Adaptive AMG ­ p.11 #12;Approximating Sij to Ah G(i) = e(i) Weighted Jacobi, 1 step: Fully Adaptive AMG ­ p.11 #12;Approximating Sij Can

MacLachlan, Scott

249

Adaptation semantique de documents multimedia Sebastien Laborie  

E-Print Network (OSTI)

Adaptation s´emantique de documents multim´edia S´ebastien Laborie Soutenance de th`ese - 28 Mai 2008 1 S´ebastien Laborie Adaptation s´emantique de documents multim´edia #12;Introduction Probl´ematique Un document multim´edia Constitu´e d'objets multim´edia Texte Image Son Vid´eo Assembl´e par un

Joseph Fourier Grenoble-I, Université

250

Radioprotective Effects of Melatonin on Radiation-Induced Cataract  

Science Journals Connector (OSTI)

......of radiation bred at Atat rk University Medical School, Department of Pharma- cology...automatic tem- perature (22 1 C) and lighting controls (12 hr light / 12 hr dark...prolongation of survival at reasonable cost to cancer patients.24) But, cataract......

Ihsan Karslioglu; Mustafa Vecdi Ertekin; Seyithan Taysi; Ibrahim Koer; Orhan Sezen; Akahan Gepdiremen; Mehmet Ko; Nuri Bakan

2005-06-01T23:59:59.000Z

251

Ionizing Radiation Induces Delayed Hyperrecombination in Mammalian Cells  

Science Journals Connector (OSTI)

...instability is critical to radiation risk assessment and for determining...the many delayed effects of radiation, chromosomal instability is...detrimental effects over a range of doses of ionizing radiation. Furthermore, a rapid and...

Lei Huang; Suzanne Grim; Leslie E. Smith; Perry M. Kim; Jac A. Nickoloff; Olga G. Goloubeva; William F. Morgan

2004-06-01T23:59:59.000Z

252

Radiation-induced chromosomal aberrations at different dose-rates  

E-Print Network (OSTI)

of breakage. These breakages may be due to the physiochemical changes affecting the nucleic acid structure within one or more of the chromatin strands; this is in accordance with the "target theory. " Evans (21) states that after the initial breakage.... The somatic mutation theory purposes that ageing is caused by a gradual accumulation of mutations. Curtis has shown that chroaosomal aberrations of the liver cells increase steadily with age (19). Ionizing radiaticns shorten the lifespan and also increase...

McDaniel, Jackson Dean

2012-06-07T23:59:59.000Z

253

Gamma radiation induced degradation in PE-PP block copolymer  

SciTech Connect

In the present investigation, effect of gamma irradiation on the PP-PE block copolymer has been studied. The polymer has been subjected to gamma irradiation from 100 to 500 Mrad dosages. Characterization of the polymer using XRD and FTIR was done both before irradiation and after irradiation in each step. Effect of irradiation on the electrical properties of the material has also been studied. FTIR study shows that the sample loses C - C stretching mode of vibration but gains C=C stretching mode of vibration after irradiation. Present investigation clearly indicates that though the electrical conductivity increases in the material, it undergoes degradation and shows brittleness due to irradiation.

Ravi, H. R.; Sreepad, H. R.; Ahmed, Khaleel; Govindaiah, T. N. [P.G. Department of Physics, Government College (Autonomous), Mandya - 571401, Karnataka State (India)

2012-06-05T23:59:59.000Z

254

Radiation-Induced Radicals in Polyurea-Crosslinked Silica Aerogel.  

E-Print Network (OSTI)

?? Free radicals are atoms or molecules with an odd number of electrons in an outer shell. Since electrons typically occur in pairs, this leaves (more)

Walters, Benjamin Michael

2014-01-01T23:59:59.000Z

255

Tolerating Radiation-Induced Transient Faults in Modern Processors  

E-Print Network (OSTI)

word G XOR1 D/S_en imm1 field XOR2 comparator CFE/CFE D/S NTJ_en Resolved branch condition NTJ NT M UX 3 TJ_en

Li, Xiaobin; Gaudiot, Jean-Luc

2010-01-01T23:59:59.000Z

256

On adaptive grid computations of variable stars  

SciTech Connect

We show that the use of an implicit adaptive-grid technique is an efficient and up-to-date approach for the calculations of radial oscillations in variable stars. We chose as an illustrative example the radiative envelope of an RR Lyrae variable. For the hydrostatic initial model we compare the Lagrangean ratioed zoning with an adaptive-grid rezoning. We show that the adaptive-grid yields an optimal distribution of the mesh points in the sense that the relevant physical features, the H{minus} and He 1{minus}, He 2{minus} ionization zones, are well resolved. For the hydrodynamical evolution we present the full-amplitude model for both the Lagrangean and adaptive-grid computations. We perform a detailed comparison and show that the adaptive-grid method yields limit cycle solutions that are substantially improved over the Lagrangean grid model. This is due to the fact that the Lagrangean mesh sweeps through the ionization zones twice during one oscillation period, whereas the adaptive-mesh resolves them and tracks them continuously. The results are, in particular, smooth radial velocity and light curves. Beyond a physically better defined solution we also observe larger time steps for the convergence towards the limit cycle and for the evolution during one period. 12 refs., 13 figs., 5 tabs.

Cox, A.N.; Deupree, R.G.; Gehmeyr, M.

1991-01-01T23:59:59.000Z

257

Adaptation to water scarcity in glacier-dependent towns of the Indian Himalayas : impacts, adaptive responses, barriers, and solutions  

E-Print Network (OSTI)

Among the existing and projected impacts of climate change, impacts on water resources are expected to exacerbate the current and future threat of global water scarcity. Glacier-dependent societies are especially vulnerable ...

Sudhalkar, Amruta Anand

2010-01-01T23:59:59.000Z

258

A low cost adaptive optics system using a membrane mirror  

Science Journals Connector (OSTI)

A low cost adaptive optics system constructed almost entirely of commercially available components is presented.

Paterson, Carl; Munro, I; Dainty, J

2000-01-01T23:59:59.000Z

259

UNDP-Adaptation Learning Mechanism | Open Energy Information  

Open Energy Info (EERE)

Adaptation Learning Mechanism Adaptation Learning Mechanism Jump to: navigation, search Logo: UNDP-Adaptation Learning Mechanism Name UNDP-Adaptation Learning Mechanism Agency/Company /Organization United Nations Development Programme Sector Climate, Energy, Land, Water Topics Adaptation Resource Type Lessons learned/best practices, Training materials Website http://www.adaptationlearning. Program Start 2007 References Adaptation Learning Mechanism[1] Abstract Seeking to provide stakeholders with a common platform for sharing and learning, the ALM bridges knowledge gaps by bringing relevant knowledge and stakeholders together to exchange information, experiences, and expertise. Additionally, the ALM complements the wide range of adaptation knowledge networks and initiatives already underway.

260

Solid-State Lighting: Adaptive Street Lighting Controls  

NLE Websites -- All DOE Office Websites (Extended Search)

Adaptive Street Lighting Adaptive Street Lighting Controls to someone by E-mail Share Solid-State Lighting: Adaptive Street Lighting Controls on Facebook Tweet about Solid-State Lighting: Adaptive Street Lighting Controls on Twitter Bookmark Solid-State Lighting: Adaptive Street Lighting Controls on Google Bookmark Solid-State Lighting: Adaptive Street Lighting Controls on Delicious Rank Solid-State Lighting: Adaptive Street Lighting Controls on Digg Find More places to share Solid-State Lighting: Adaptive Street Lighting Controls on AddThis.com... Conferences & Meetings Presentations Publications Webcasts Videos Tools Adaptive Street Lighting Controls This two-part DOE Municipal Solid-State Street Lighting Consortium webinar focused on LED street lighting equipped with adaptive control components.

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Integrating Demand into the U.S. Electric Power System: Technical, Economic, and Regulatory Frameworks for Responsive Load  

E-Print Network (OSTI)

for Responsive/Adaptive Load by Jason W. Black Massachusetts Institute of Technology Submitted to the Engineering integration of demand response. Integrating demand into the US electricity system will allow the development, and market issues to determine a system structure that provides incentives for demand response. An integrated

de Weck, Olivier L.

262

NAN-190 POTENTIATES THE CIRCADIAN RESPONSE TO LIGHT AND SPEEDS RE-ENTRAINMENT TO ADVANCED LIGHT CYCLES  

E-Print Network (OSTI)

NAN-190 POTENTIATES THE CIRCADIAN RESPONSE TO LIGHT AND SPEEDS RE-ENTRAINMENT TO ADVANCED LIGHT. In this study, we investigated the ability of NAN-190 to potenti- ate the circadian rhythm response to light potentiate the response to light both in dark-adapted and entrained hamsters. Furthermore, NAN- 190

Harrington, Mary

263

PhotoPhoto--and Radiation Induced Processesand Radiation Induced Processes ** Research Focus in PhotochemistryResearch Focus in Photochemistry  

E-Print Network (OSTI)

--term storage of solar energy as fuels or valuable chemicalsterm storage of solar energy as fuels or valuable

264

Emergency Response & Procedures | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

National Security + Safety » Emergency Response & Procedures National Security + Safety » Emergency Response & Procedures Emergency Response & Procedures November 1, 2013 A Statement from U.S. Secretary of Energy Ernest Moniz Regarding Fukushima On Friday, I made my first visit to the Fukushima Daiichi Nuclear Power Station. It is stunning that one can see firsthand the destructive force of the tsunami even more than two and a half years after the tragic events October 29, 2013 Workers repair power lines in the Mid-Atlantic shortly after Hurricane Sandy. | Photo courtesy of the Energy Department. Hurricane Sandy One Year Later: Rebuilding Stronger, More Resilient Communities The Energy Department continues to take actions to protect our energy infrastructure, adapt to climate change and build partnerships to make

265

Chlororespiration: An adaptation to nitrogen deficiency in Chlamydomonas reinhardtii  

SciTech Connect

When grown under nitrogen limitation, pronounced chlororespiratory activity develops together with an altered composition of thylakoid membranes in Chlamydomonas reinhardtii. Relative to control cultures, the flash-inhibited, chlororespiration-dependent O{sub 2} consumption signal increases 10-fold. Also augmented is the light-sensitive respiratory activity responsible of the Kok effect, reflecting competitive inhibition of chlororespiratory electron transport by photosystem I. Fluoresscence measurements show that the thylakoid plastoquinone pool is extensively reduced in dark-adapted, N-limited cells. Thylakoids of N-limited cells have reduced amounts of cytochrome b{sub 6}, cytochrome f, and light-harvesting complexes. However, thylakoid-bound NADH-PQ oxidoreductase, with major subunits of 51 kDa and 17 kDa, is increased 7-fold and two novel cytochromes of 34 and 12.5 kDa are highly abundant. Thus, components of photosynthetic and chlororespiratory electron transport pathways are differentially regulated by N availability.

Peltier, G.; Schmidt, G.W. (Univ. of Georgia, Athens (United States))

1991-06-01T23:59:59.000Z

266

Gain scheduling adaptive control strategies for HVDC systems to accommodate large disturbances  

SciTech Connect

Techniques have been developed to permit the response of the controls for dc transmission systems to adapt to large system changes. A gain scheduling approach tunes the control as an on-line function of the effective short-circuit ratio and contingency indicators. The method has been tested by digital simulation, based on EMTP, of a back-to-back dc system. It has been found to be robust and control performance has been enhanced.

Reeve, J.; Sultan, M. (Univ. of Waterloo, Ontario (Canada))

1994-02-01T23:59:59.000Z

267

Adaptive scapula bone remodeling computational simulation: Relevance to regenerative medicine  

SciTech Connect

Shoulder arthroplasty success has been attributed to many factors including, bone quality, soft tissue balancing, surgeon experience, and implant design. Improved long-term success is primarily limited by glenoid implant loosening. Prosthesis design examines materials and shape and determines whether the design should withstand a lifetime of use. Finite element (FE) analyses have been extensively used to study stresses and strains produced in implants and bone. However, these static analyses only measure a moment in time and not the adaptive response to the altered environment produced by the therapeutic intervention. Computational analyses that integrate remodeling rules predict how bone will respond over time. Recent work has shown that subject-specific two- and three dimensional adaptive bone remodeling models are feasible and valid. Feasibility and validation were achieved computationally, simulating bone remodeling using an intact human scapula, initially resetting the scapular bone material properties to be uniform, numerically simulating sequential loading, and comparing the bone remodeling simulation results to the actual scapulas material properties. Three-dimensional scapula FE bone model was created using volumetric computed tomography images. Muscle and joint load and boundary conditions were applied based on values reported in the literature. Internal bone remodeling was based on element strain-energy density. Initially, all bone elements were assigned a homogeneous density. All loads were applied for 10 iterations. After every iteration, each bone elements remodeling stimulus was compared to its corresponding reference stimulus and its material properties modified. The simulation achieved convergence. At the end of the simulation the predicted and actual specimen bone apparent density were plotted and compared. Location of high and low predicted bone density was comparable to the actual specimen. High predicted bone density was greater than actual specimen. Low predicted bone density was lower than actual specimen. Differences were probably due to applied muscle and joint reaction loads, boundary conditions, and values of constants used. Work is underway to study this. Nonetheless, the results demonstrate three dimensional bone remodeling simulation validity and potential. Such adaptive predictions take physiological bone remodeling simulations one step closer to reality. Computational analyses are needed that integrate biological remodeling rules and predict how bone will respond over time. We expect the combination of computational static stress analyses together with adaptive bone remodeling simulations to become effective tools for regenerative medicine research.

Sharma, Gulshan B., E-mail: gbsharma@ucalgary.ca [Emory University, Department of Radiology and Imaging Sciences, Spine and Orthopaedic Center, Atlanta, Georgia 30329 (United States); University of Pittsburgh, Swanson School of Engineering, Department of Bioengineering, Pittsburgh, Pennsylvania 15213 (United States); University of Calgary, Schulich School of Engineering, Department of Mechanical and Manufacturing Engineering, Calgary, Alberta T2N 1N4 (Canada); Robertson, Douglas D., E-mail: douglas.d.robertson@emory.edu [Emory University, Department of Radiology and Imaging Sciences, Spine and Orthopaedic Center, Atlanta, Georgia 30329 (United States); University of Pittsburgh, Swanson School of Engineering, Department of Bioengineering, Pittsburgh, Pennsylvania 15213 (United States)

2013-07-01T23:59:59.000Z

268

AdaptiveARC | Open Energy Information  

Open Energy Info (EERE)

AdaptiveARC AdaptiveARC Jump to: navigation, search Name AdaptiveARC Address 7683 Sitio Manana Place Carlsbad, California Zip 92009 Sector Biomass Product Waste-to-clean-energy startup is developing an arc-plasma reactor Website http://www.adaptivearc.com/ Coordinates 33.07959°, -117.22539° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":33.07959,"lon":-117.22539,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

269

Petascale, Adaptive CFD | Argonne Leadership Computing Facility  

NLE Websites -- All DOE Office Websites (Extended Search)

Petascale, Adaptive CFD Petascale, Adaptive CFD Petascale, Adaptive CFD PI Name: Kenneth Jansen PI Email: jansenke@colorado.edu Institution: U. Colorado-Boulder Allocation Program: ESP Allocation Hours at ALCF: 150 Million Year: 2010 to 2013 Research Domain: Engineering The aerodynamic simulations proposed will involve modeling of active flow control based on synthetic jet actuation that has been shown experimentally to produce large-scale flow changes (e.g., re-attachment of separated flow or virtual aerodynamic shaping of lifting surfaces) from micro-scale input (e.g., a 0.1 W piezoelectric disk resonating in a cavity alternately pushes/pulls out/in the fluid through a small slit to create small-scale vortical structures that interact with, and thereby dramatically alter, the cross flow). This is a process that has yet to be understood fundamentally.

270

A National Strategy for Adaptation to Climate Change | Open Energy  

Open Energy Info (EERE)

A National Strategy for Adaptation to Climate Change A National Strategy for Adaptation to Climate Change Jump to: navigation, search Tool Summary Name: A National Strategy for Adaptation to Climate Change Agency/Company /Organization: Coalition for Rainforest Nations Topics: Adaptation, Pathways analysis Resource Type: Guide/manual Website: www.rainforestcoalition.org/eng/ References: A National Strategy for Adaptation to Climate Change[1] Logo: A National Strategy for Adaptation to Climate Change Click here to view document A National Strategy for Adaptation to Climate Change References ↑ "A National Strategy for Adaptation to Climate Change" Retrieved from "http://en.openei.org/w/index.php?title=A_National_Strategy_for_Adaptation_to_Climate_Change&oldid=382940" Category: Tools

271

Adaptive Resource Management Schemes for Web Services  

E-Print Network (OSTI)

ADAPTIVE RESOURCE MANAGEMENT SCHEMES FOR WEB SERVICES A Dissertation by HEUNG KI LEE Submitted to the O?ce of Graduate Studies of Texas A&M University in partial fulflllment of the requirements for the degree of DOCTOR OF PHILOSOPHY December 2009... Major Subject: Computer Science ADAPTIVE RESOURCE MANAGEMENT SCHEMES FOR WEB SERVICES A Dissertation by HEUNG KI LEE Submitted to the O?ce of Graduate Studies of Texas A&M University in partial fulflllment of the requirements for the degree of DOCTOR...

Lee, Heung Ki

2011-02-22T23:59:59.000Z

272

ADAPTIVE ROBUST TRACKING CONTROL OF PRESSURE  

E-Print Network (OSTI)

accuracy of pressure trajectory in the chamber when the pneumatic cylinder is moving. Off-line fitting, it is necessary to utilize the adaptive model compensation for improving the tracking accuracy of pressure and attenuation in pneumatic lines, valve dynamics, flow nonlinearities through the valve orifice, piston friction

Yao, Bin

273

Provably Efficient Two-Level Adaptive Scheduling  

E-Print Network (OSTI)

processor reallocation, our schedulers provide control over the scheduling overhead and ensure effectiveProvably Efficient Two-Level Adaptive Scheduling Yuxiong He1 , Wen-Jing Hsu1 , and Charles E. Multiprocessor scheduling in a shared multiprogramming en- vironment can be structured in two levels, where

Feitelson, Dror

274

Modelling adaptations requirements in web workflows  

Science Journals Connector (OSTI)

Workflows play a major role in nowadays business and therefore its requirement elicitation must be accurate and clear for achieving the closest solution to business's needs. Due to Web applications popularity, the Web is becoming the standard platform ... Keywords: adaptation, model-driven paradigm, requirements, web

M. Urbieta; W. Retschitzegger; G. Rossi; W. Schwinger; S. Gordillo; E. Robles Luna

2012-12-01T23:59:59.000Z

275

Efficiency considerations in triangular adaptive mesh refinement  

Science Journals Connector (OSTI)

...mesh generated by this generator is shown in figure-8...Behrens, J. 1998 Atmospheric and ocean modeling with...solver for the shallow-water equations. Appl. Numer...space-filling curves in adaptive atmospheric modeling. In Frontiers...an unstructured grid generator with a space-filling...

2009-01-01T23:59:59.000Z

276

Reservation Price Estimation by Adaptive Conjoint Analysis  

E-Print Network (OSTI)

Reservation Price Estimation by Adaptive Conjoint Analysis Christoph Breidert1 , Michael Hahsler1 applied the eco- nomic definition of reservation price in combination with a conjoint study on product pricing. In this paper we present a novel approach to estimate the economic reser- vation price using

Schmidt-Thieme, Lars

277

CLIMATE CHANGE ADAPTATIONS FOR LOCAL WATER MANAGEMENT  

E-Print Network (OSTI)

CLIMATE CHANGE ADAPTATIONS FOR LOCAL WATER MANAGEMENT IN THE SAN FRANCISCO BAY AREA A White Paper from the California Energy Commission's California Climate Change Center JULY 2012 CEC Climate change will affect both sea level and the temporal and spatial distribution of runoff

278

Adaptive Reliability Analysis of Excavation Problems  

E-Print Network (OSTI)

........................................................................... 26 2.5.3 Structure of ?z ............................................................................. 28 2.6 Solution Strategies ................................................................................ 29 2.6.1 Markov Chain Monte Carlo... simulation Metropolis-Hastings (MH) algorithm ........................................................................... 30 viii Page 2.6.2 Delayed Rejection Adaptive Metropolis (DRAM) method ........ 32 2.7 Application...

Park, Jun Kyung

2012-10-19T23:59:59.000Z

279

The Building Adaptive Re-Use  

E-Print Network (OSTI)

81 The Building 7.0 #12;82 Adaptive Re-Use 7.1 7.1.1 Retaining the Ruskin Building's Facades building fabric. The need for a fully accessible and environmentally sustainable building led the team to a solution that requires the full reconstruction of the Ruskin Building, save its primary facades

Flynn, E. Victor

280

Projected Climate Impacts and Adaptation Strategies  

E-Print Network (OSTI)

Projected Climate Impacts and Adaptation Strategies for Wisconsin's Urban Areas UWM ­ School Rainfall Etc. #12;Downscaling: Focus global projections to a scale relevant to climate impacts in Wisconsin-Engineering Professional Development DNR Photo: WDNR #12;Overview · Wisconsin's Changing climate · Expected Impacts · How

Sheridan, Jennifer

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Adaptive Training for Large Vocabulary Continuous  

E-Print Network (OSTI)

Adaptive Training for Large Vocabulary Continuous Speech Recognition Kai Yu Hughes Hall College for the degree of Doctor of Philosophy #12;ii Summary In recent years, there has been a trend towards training is to train hidden Markov models (HMMs) on the whole data set as if all data comes from a single acoustic

Hain, Thomas

282

IBM Software Data Sheet IBM adaptive threat  

E-Print Network (OSTI)

IBM Software Data Sheet IBM adaptive threat protection Stay ahead of security threats with a state-of-the-art network protection engine Highlights Identify high-risk threats and zero-day attacks with protocol-based, behavioral anomaly detection Protect end users against the latest web-based threats, such as SQL injection

283

Adaptive Personalisation for Researcher-Independent  

E-Print Network (OSTI)

Adaptive Personalisation for Researcher-Independent Brain-Body Interface Usage Abstract In this case study, we report what we believe to be the first prolonged in-situ use of a brain-body interface for rehabilitation of individuals with severe neurological impairment due to traumatic brain injury

Boetticher, Gary D.

284

MODEL ADAPTATION FOR HYPERBOLIC SYSTEMS WITH RELAXATION  

E-Print Network (OSTI)

MODEL ADAPTATION FOR HYPERBOLIC SYSTEMS WITH RELAXATION H. MATHIS, C. CANC`ES, E. GODLEWSKI, N the phenomenon under consideration. We focus in this work on general hyperbolic systems with stiff relaxation source terms together with the corre- sponding hyperbolic equilibrium systems. The goal is to determine

Paris-Sud XI, Université de

285

Adaptive aberration correction in a confocal microscope  

Science Journals Connector (OSTI)

...corresponds to a restoration of the axial sectioning...degradation and restoration of the axial resolution...of the adaptive system in imaging biological...cycle, the laser power was reduced to...the experimental system allowed visualization...B , ed( 1995 ) Handbook of Biological Confocal...

Martin J. Booth; Mark A. A. Neil; Rimas Jukaitis; Tony Wilson

2002-01-01T23:59:59.000Z

286

Gaia as a complex adaptive system  

Science Journals Connector (OSTI)

...the environment. The model does not include natural selection...within clusters). The model does include a sys- tem selection...adaptive behaviour, but that it does not reside in a critical state...as cyber- netic systems. In Handbook of ecosystem theories and manage...

2002-01-01T23:59:59.000Z

287

E-Print Network 3.0 - adaptive seamless design Sample Search...  

NLE Websites -- All DOE Office Websites (Extended Search)

(VTP) to adapt video... need to be resolved: 1) seamless mobility across het- erogeneous networks, 2) application adaptation... incorporate both seamless handoff and adaptive ......

288

E-Print Network 3.0 - adaptive methods final Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

mechanisms. Finally the actors in the process of adaptation will be discussed like the user (adaptable... adaptation methods and tools that are under the control of the user...

289

E-Print Network 3.0 - acquired behaviour adaptations Sample Search...  

NLE Websites -- All DOE Office Websites (Extended Search)

Collection: Computer Technologies and Information Sciences 6 Adaptive LEGO Robots. A RobotHuman View on Robotics. Summary: is the Adaptive LEGO Pet Robot. The Adaptive LEGO Pet...

290

An Enabling Study of Diesel Low-Temperautre Combustion via Adaptive...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

An Enabling Study of Diesel Low-Temperautre Combustion via Adaptive Control An Enabling Study of Diesel Low-Temperautre Combustion via Adaptive Control Adaptive control strategies...

291

E-Print Network 3.0 - adaptive noise cancellation Sample Search...  

NLE Websites -- All DOE Office Websites (Extended Search)

adaptive filtering, DMT... algorithm. The adaptive equation can be rewritten B LCA echo canceller in the presence of narrow band noise... Constrained Adaptive Echo ......

292

E-Print Network 3.0 - adaptive signal model Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

LMS Adaptive Predictor for Chirped Input Signals Jun Han Department of Electrical... of adaptive filters, adaptive prediction, is studied. The class of input signals which will...

293

E-Print Network 3.0 - adaptive specialization conditional Sample...  

NLE Websites -- All DOE Office Websites (Extended Search)

conditional Page: << < 1 2 3 4 5 > >> 1 From Adaptive Hypermedia to the Adaptive Web Systems Summary: Adaptive presentation techniques Conditional text filtering - ITEM...

294

E-Print Network 3.0 - adaptive direct search Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

direct search Page: << < 1 2 3 4 5 > >> 1 From Adaptive Hypermedia to the Adaptive Web Systems Summary: Evaluation of Adaptive Link Sorting HYPERFLEX: IR System -...

295

Rethinking adaptation for a 4C world  

Science Journals Connector (OSTI)

...adverse aspects of the environment into affective responses...perceived to be the responsibility of national politicians...exist between local responsibilities and resources needed...Institute of Mechanical Engineers-[45], the Royal...decision-making environment at just the time when...

2011-01-01T23:59:59.000Z

296

Grid and basis adaptive polynomial chaos techniques for sensitivity and uncertainty analysis  

SciTech Connect

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 (1520), 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.

Perk, Zoltn, E-mail: Z.Perko@tudelft.nl; Gilli, Luca, E-mail: Gilli@nrg.eu; Lathouwers, Danny, E-mail: D.Lathouwers@tudelft.nl; Kloosterman, Jan Leen, E-mail: J.L.Kloosterman@tudelft.nl

2014-03-01T23:59:59.000Z

297

Hands-on Energy Adaptation Toolkit (HEAT) | Open Energy Information  

Open Energy Info (EERE)

Hands-on Energy Adaptation Toolkit (HEAT) Hands-on Energy Adaptation Toolkit (HEAT) Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Hands-on Energy Adaptation Toolkit (HEAT) Agency/Company /Organization: Energy Sector Management Assistance Program of the World Bank Sector: Energy Focus Area: Renewable Energy Topics: Adaptation, Implementation, Pathways analysis Resource Type: Guide/manual Website: esmap.org/esmap/node/312 Hands-on Energy Adaptation Toolkit (HEAT) Screenshot References: HEAT[1] Background "HEAT- A Hands-on Energy Adaptation Toolkit is designed to lead you through as assessment of climate vulnerabilities and adaptation options in the energy sector of your country. HEAT can help you raise awareness among key stakeholders and initiate dialogue on energy sector adaptation.

298

Numerical Modeling of Acoustic Timescale Detonation Initiation Using the Adaptive  

E-Print Network (OSTI)

Numerical Modeling of Acoustic Timescale Detonation Initiation Using the Adaptive Wavelet 2008 #12;This thesis entitled: Numerical Modeling of Acoustic Timescale Detonation Initiation Using. (Ph.D.) Numerical Modeling of Acoustic Timescale Detonation Initiation Using the Adaptive Wavelet

Vasilyev, Oleg V.

299

Adaptive Power Control for Single and Multiuser Opportunistic Systems  

E-Print Network (OSTI)

In this dissertation, adaptive power control for single and multiuser opportunistic systems is investigated. First, a new adaptive power-controlled diversity combining scheme for single user systems is proposed, upon which is extended...

Nam, Sung Sik

2010-07-14T23:59:59.000Z

300

Funding for adaptation to climate change : the case of Surat  

E-Print Network (OSTI)

The need for cities to adapt to climate change is widely acknowledged, yet the question of adaptation finance remains uncertain. Unable to access global climate funds, cities must seek out alternative sources to support ...

Patel, Toral

2014-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Adaptive radiation of chemosymbiotic deep-sea mussels  

Science Journals Connector (OSTI)

...are credited. Adaptive radiation of chemosymbiotic deep-sea...Research Department, Japan Agency for Marine-Earth...Yokosuka 237-0061, Japan 2 Geoscience Center...Yamanashi 400-8510, Japan Adaptive radiations present fascinating opportunities...

2013-01-01T23:59:59.000Z

302

Climate Change Adaptation: A Collective Action Perspective on Federalism Considerations  

E-Print Network (OSTI)

adaptation to minimize the adverse effects of climate change. Climate change adaptation is designed to increase the resilience of natural and human ecosystems to the threats posed by a changing environment. Although an extensive literature concerning...

Glicksman, Robert L.; Levy, Richard E.

2010-01-01T23:59:59.000Z

303

Artificial gravity : neurovestibular adaptation to incremental exposure to centrifugation  

E-Print Network (OSTI)

(cont.) not build up adaptation, all subjects in the experimental group who completed the protocol showed signs of adaptation to the stimulus. Only one subject did not complete the five sessions, setting the drop-out rate ...

Bruni, Sylvain, 1981-

2004-01-01T23:59:59.000Z

304

Evaluation and Adaptation of 5-Cycle Fuel Economy Testing and...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Adaptation of 5-Cycle Fuel Economy Testing and Calculations for HEVs and PHEVs Evaluation and Adaptation of 5-Cycle Fuel Economy Testing and Calculations for HEVs and PHEVs 2012...

305

Design and evaluation of an adaptive icon toolbar  

Science Journals Connector (OSTI)

At the user's convenience, the adaptive bar offers suggestions for adding or removing command icons, based on the frequency and probability of ... adaptive behavior of displaying the frequency of each icon's use ...

Matjaz Debevc; Beth Meyer; Dali Donlagic

1996-01-01T23:59:59.000Z

306

Adaptive mean filtering for noise reduction in CT polymer gel dosimetry  

SciTech Connect

X-ray computed tomography (CT) as a method of extracting 3D dose information from irradiated polymer gel dosimeters is showing potential as a practical means to implement gel dosimetry in a radiation therapy clinic. However, the response of CT contrast to dose is weak and noise reduction is critical in order to achieve adequate dose resolutions with this method. Phantom design and CT imaging technique have both been shown to decrease image noise. In addition, image postprocessing using noise reduction filtering techniques have been proposed. This work evaluates in detail the use of the adaptive mean filter for reducing noise in CT gel dosimetry. Filter performance is systematically tested using both synthetic patterns mimicking a range of clinical dose distribution features as well as actual clinical dose distributions. Both low and high signal-to-noise ratio (SNR) situations are examined. For all cases, the effects of filter kernel size and the number of iterations are investigated. Results indicate that adaptive mean filtering is a highly effective tool for noise reduction CT gel dosimetry. The optimum filtering strategy depends on characteristics of the dose distributions and image noise level. For low noise images (SNR {approx}20), the filtered results are excellent and use of adaptive mean filtering is recommended as a standard processing tool. For high noise images (SNR {approx}5) adaptive mean filtering can also produce excellent results, but filtering must be approached with more caution as spatial and dose distortions of the original dose distribution can occur.

Hilts, Michelle; Jirasek, Andrew [Medical Physics, BC Cancer Agency-Vancouver Island Centre, Victoria, British Columbia, V8R6V5 (Canada); Department of Physics and Astronomy, University of Victoria, Victoria, British Columbia, V8W2Y2 (Canada)

2008-01-15T23:59:59.000Z

307

BIA Request for Proposals for Climate Adaptation Grants for Tribes  

Energy.gov (U.S. Department of Energy (DOE))

Download the Bureau of Indian Affairs Request for Proposals for Climate Adaptation Grants for Tribes, due November 29.

308

Molecular dissection of the roles of the SOD genes in mammalian response to low dose irradiation  

SciTech Connect

It has been long recognized that a significant fraction of the radiation-induced genetic damage to cells are caused by secondary oxidative species. Internal cellular defense systems against oxidative stress play significant roles in countering genetic damage induced by ionizing radiation. The role of the detoxifying enzymes may be even more prominent in the case of low-dose, low-LET irradiation, as the majority of genetic damage may be caused by secondary oxidative species. In this study we have attempted to decipher the roles of the superoxide dismutase (SOD) genes, which are responsible for detoxifying the superoxide anions. We used adenovirus vectors to deliver RNA interference (RNAi or siRNA) technology to down-regulate the expression levels of the SOD genes. We have also over-expressed the SOD genes by use of recombinant adenovirus vectors. Cells infected with the vectors were then subjected to low dose ?-irradiation. Total RNA were extracted from the exposed cells and the expression of 9000 genes were profiled by use of cDNA microarrays. The result showed that low dose radiation had clear effects on gene expression in HCT116 cells. Both over-expression and down-regulation of the SOD1 gene can change the expression profiles of sub-groups of genes. Close to 200 of the 9000 genes examined showed over two-fold difference in expression under various conditions. Genes with changed expression pattern belong to many categories that include: early growth response, DNA-repair, ion transport, apoptosis, and cytokine response.

Eric Y. Chuang

2006-08-31T23:59:59.000Z

309

What Should Adaptivity Mean to Interactive Software Programmers?  

E-Print Network (OSTI)

and adaptation are combined in a simple and innovative manner. Author Keywords Adaptive software, plasticity.2.11.Software engineering: Software Architectures INTRODUCTION Software adaptivity is a long time- stood as the self-modification of a system under context vari- ations, arose as a significant issue

Paris-Sud XI, Université de

310

Creating an adaptable workforce: important implications for CIOs  

E-Print Network (OSTI)

talent Planning for leadership succession Fostering workforce adaptability Unquestionably, to winMarch 2008 Creating an adaptable workforce: important implications for CIOs #12;Creating an adaptable workforce: important implications for CIOs Page 2 Contents 2 Introduction 3 The IBM Global Human

311

Market-based mechanisms for climate change adaptation  

E-Print Network (OSTI)

of Climate Change and Energy Efficiency) and the National Climate Change Adaptation Research FacilityMarket-based mechanisms for climate change adaptation Final Report John McAneney, Ryan Crompton FOR CLIMATE CHANGE ADAPTATION Assessing the potential for and limits to insurance and market-based mechanisms

Colorado at Boulder, University of

312

Adaptive control based on neural network system identification  

Science Journals Connector (OSTI)

In adaptive control and system identification the self tuning regulator has wide range of applications. Neural network and artificial intelligence have big role in this area. This paper presents adaptive neural network control based on self tuning regulator ... Keywords: adaptive control, neural network, neuro control, self tuning regulator, system identification

Hassan E. A. Ibrahim

2012-02-01T23:59:59.000Z

313

Waters, Seas and Wine: Science for Successful Climate Adaptation  

SciTech Connect

is a growing demand for adaptation science as a vehicle for delivering critical knowledge to public and private organizations that are attempting to adapt to the changing climate. This expansion of adaptation science is occurring, however, in the absence of a robust understanding of how that science can or should contribute to successful adaptation. For the adaptation science enterprise to be successful, it must provide knowledge that has value to adaptation actors. Accomplishing this objective, however, often requires more than just research, and, in fact, may necessitate new cultural perspectives regarding the role of science in public policy as well as new kinds of researchers and research institutions. These issues are explored through a series of case studies from Australia and the United Kingdom that illustrate the various ways in which adaptation science engages with adaptation processes and the extent to which that science can be judged as successful. The case studies demonstrate that there are multiple pathways by which adaptation science can be successful, depending on the knowledge that is needed by a particular actor at a particular stage in the adaptation process. Nevertheless, there are significant opportunities for the more explicit alignment of the needs of decision-makers and the adaptation research that is undertaken as well as critical reflection on, and evaluation of, the return on investment from research that is pursued in the name of enabling adaptation.

Preston, Benjamin L [ORNL

2012-01-01T23:59:59.000Z

314

Autopoiesis, the immune system, and adaptive information filtering  

Science Journals Connector (OSTI)

Adaptive information filtering is a challenging and fascinating problem. It requires the adaptation of a representation of a user's multiple interests to various changes in them. We tackle this dynamic problem with Nootropia, a model inspired by the ... Keywords: Adaptive information filtering, Autopoiesis, Immune-inspired

Nikolaos Nanas; Anne Roeck

2009-06-01T23:59:59.000Z

315

Adaptive beam profile control using a simulated annealing algorithm  

E-Print Network (OSTI)

adaptive optics system," Opt. Commun. 176, 339-345 (2000). 3. R. B. Shake and B. C. Platt, "Production. Murnane, H. C. Kapteyn, S. Backus, G. Vdovin "Adaptive pulse compensation for transform-limited 15-fs high-energy transverse mode control and optimisation of an all-solid-state laser using an intracavity adaptive

316

Adaptation Control in Adaptive Hypermedia Systems Hongjing Wu, Paul De Bra, Ad Aerts, Geert-Jan Houben  

E-Print Network (OSTI)

model for the architecture of adaptive hypermedia applications: AHAM (for Adaptive Hypermedia Application Model) [DHW99], which is an extension of the Dexter hypermedia reference model [HS90, HS94]. AHAM

Houben, Geert-Jan

317

Adaptation Control in Adaptive Hypermedia Systems Hongjing Wu, Paul De Bra, Ad Aerts, GeertJan Houben  

E-Print Network (OSTI)

model for the architecture of adaptive hypermedia applications: AHAM (for Adaptive Hypermedia Application Model) [DHW99], which is an extension of the Dexter hypermedia reference model [HS90, HS94]. AHAM

De Bra, Paul

318

Adaptive phase measurements for narrowband squeezed beams  

E-Print Network (OSTI)

We have previously [Phys. Rev. A 65, 043803 (2002)] analyzed adaptive measurements for estimating the continuously varying phase of a coherent beam, and a broadband squeezed beam. A real squeezed beam must have finite photon flux N and hence can be significantly squeezed only over a limited frequency range. In this paper we analyze adaptive phase measurements of this type for a realistic model of a squeezed beam. We show that, provided it is possible to suitably choose the parameters of the beam, a mean-square phase uncertainty scaling as (N/kappa)^{-5/8} is possible, where kappa is the linewidth of the beam resulting from the fluctuating phase. This is an improvement over the (N/kappa)^{-1/2} scaling found previously for coherent beams. In the experimentally realistic case where there is a limit on the maximum squeezing possible, the variance will be reduced below that for coherent beams, though the scaling is unchanged.

Dominic W. Berry; Howard M. Wiseman

2006-03-22T23:59:59.000Z

319

Multi-model adaptive spatial hypertext  

E-Print Network (OSTI)

of the requirements for the degree of DOCTOR OF PHILOSOPHY Approved as to style and content by: ________________________________ Frank M. Shipman, III (Chair of Committee) ________________________________ Richard K. Furuta (Member...-Model Adaptive Spatial Hypertext. (December 2004) Luis Francisco-Revilla, B.S., Universidad Iberoamericana; M.S., Texas A&M University Chair of Advisory Committee: Dr. Frank M. Shipman, III Information delivery on the Web often relies on general purpose Web...

Francisco-Revilla, Luis

2005-02-17T23:59:59.000Z

320

Adaptive excitation control in power systems  

E-Print Network (OSTI)

control input pu? and output gE? , we have puBxAx ?+?=? ? (2.25) xig ? (2.26) where ?? ? ?? ? ?== 6667 2 rJA , ?? ? ?? ?= 67 0 iB , [ ]08213.1=C 32....38) or puBxAx ?+?=? ? (2.39) xip ? (2.40) where p is a measurable output and iii C are uncertain system parameters. In the Chapter IV, we apply our adaptive control approaches to the real DAE system. We...

Chiu, Pei-Chen

2006-08-16T23:59:59.000Z

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Robust adaptive control of HVDC systems  

SciTech Connect

The transient performance of an HVDC power system is highly dependent on the parameters of the current/voltage regulators of the converter controls. In order to better accommodate changes in system structure or dc operating conditions, this paper introduces a new adaptive control strategy. The advantages of automatic tuning for continuous fine tuning are combined with predetermined gain scheduling in order to achieve robustness for large disturbances. Examples are provided for a digitally simulated back-to-back dc system.

Reeve, J.; Sultan, M. (Univ. of Waterloo, Ontario (Canada))

1994-07-01T23:59:59.000Z

322

E-Print Network 3.0 - adaptive learning environments Sample Search...  

NLE Websites -- All DOE Office Websites (Extended Search)

to adapt the learning environment... Adaptability and ... Source: Oppermann, Reinhard - Fraunhofer-Institute for Applied Information Technology & Fachbereich Informatik,...

323

Structure of the TGF-Beta Receptor Complex Reveals Evolutionary Adaptations  

NLE Websites -- All DOE Office Websites (Extended Search)

Structure of the TGF-Beta Receptor Complex Structure of the TGF-Beta Receptor Complex Reveals Evolutionary Adaptations that have Led to Diversification of Function with the Superfamily Growth factors are peptides and proteins that function extracellularly to regulate cell growth and differentiation. They play critical roles in vertebrates as they coordinate the actions of cells within the same tissue, or cells in one tissue or organ with those in another. They induce their activities by binding and bringing together cell surface receptors, which typically are comprised of an extracellular domain, a single membrane-spanning domain, and an intracellular domain. The extracellular domains are responsible for recognizing and binding the growth factor, while the intracellular domains, when brought into close spatial proximity, are responsible for activating the downstream machinery that brings about an appropriately tuned cellular response.

324

Mass Market Demand Response  

NLE Websites -- All DOE Office Websites (Extended Search)

Mass Market Demand Response Mass Market Demand Response Speaker(s): Karen Herter Date: July 24, 2002 - 12:00pm Location: Bldg. 90 Demand response programs are often quickly and poorly crafted in reaction to an energy crisis and disappear once the crisis subsides, ensuring that the electricity system will be unprepared when the next crisis hits. In this paper, we propose to eliminate the event-driven nature of demand response programs by considering demand responsiveness a component of the utility obligation to serve. As such, demand response can be required as a condition of service, and the offering of demand response rates becomes a requirement of utilities as an element of customer service. Using this foundation, we explore the costs and benefits of a smart thermostat-based demand response system capable of two types of programs: (1) a mandatory,

325

Optimization Online - Adaptive Robust Optimization with Dynamic ...  

E-Print Network (OSTI)

Sep 29, 2014 ... Abstract: The exceptional benefits of wind power as an environmentally responsible renewable energy resource have led to an increasing...

Alvaro Lorca

2014-09-29T23:59:59.000Z

326

U-197: Cisco Adaptive Security Appliances Denial of Service Vulnerability |  

NLE Websites -- All DOE Office Websites (Extended Search)

97: Cisco Adaptive Security Appliances Denial of Service 97: Cisco Adaptive Security Appliances Denial of Service Vulnerability U-197: Cisco Adaptive Security Appliances Denial of Service Vulnerability June 22, 2012 - 7:00am Addthis PROBLEM: A vulnerability has been reported in Cisco Adaptive Security Appliances (ASA), which can be exploited by malicious people to cause a DoS (Denial of Service). PLATFORM: Cisco Adaptive Security Appliance (ASA) 8.x Cisco ASA 5500 Series Adaptive Security Appliances ABSTRACT: The vulnerability is caused due to an unspecified error when handling IPv6 transit traffic and can be exploited to cause a reload of the affected device. reference LINKS: Vendor Advisory Secunia ID 49647 CVE-2012-3058 IMPACT ASSESSMENT: High Discussion: Cisco ASA 5500 Series Adaptive Security Appliances (Cisco ASA) and Cisco

327

Economic Evaluation of Climate Change Adaptation Projects: Approaches for  

Open Energy Info (EERE)

Economic Evaluation of Climate Change Adaptation Projects: Approaches for Economic Evaluation of Climate Change Adaptation Projects: Approaches for the Agricultural Sector and Beyond Jump to: navigation, search Tool Summary Name: Economic Evaluation of Climate Change Adaptation Projects: Approaches for the Agricultural Sector and Beyond Agency/Company /Organization: Global Environment Facility Sector: Land Focus Area: Agriculture Topics: Adaptation, Policies/deployment programs Website: siteresources.worldbank.org/ENVIRONMENT/Resources/DevCC1_Adaptation.pd Economic Evaluation of Climate Change Adaptation Projects: Approaches for the Agricultural Sector and Beyond Screenshot References: Economic Evaluation of Climate Change Adaptation Projects: Approaches for the Agricultural Sector and Beyond[1] Overview "This paper identifies key challenges and solutions for carrying out

328

Demand Response Assessment INTRODUCTION  

E-Print Network (OSTI)

Demand Response Assessment INTRODUCTION This appendix provides more detail on some of the topics raised in Chapter 4, "Demand Response" of the body of the Plan. These topics include 1. The features, advantages and disadvantages of the main options for stimulating demand response (price mechanisms

329

Mechanisms underlying cellular responses of cells from haemopoietic tissue to low dose/low LET radiation  

SciTech Connect

To accurately define the risks associated with human exposure to relevant environmental doses of low LET ionizing radiation, it is necessary to completely understand the biological effects at very low doses (i.e., less than 0.1 Gy), including the lowest possible dose, that of a single electron track traversal. At such low doses, a range of studies have shown responses in biological systems which are not related to the direct interaction of radiation tracks with DNA. The role of these non-targeted responses in critical tissues is poorly understood and little is known regarding the underlying mechanisms. Although critical for dosimetry and risk assessment, the role of individual genetic susceptibility in radiation risk is not satisfactorily defined at present. The aim of the proposed grant is to critically evaluate radiation-induced genomic instability and bystander responses in key stem cell populations from haemopoietic tissue. Using stem cells from two mouse strains (CBA/H and C57BL/6J) known to differ in their susceptibility to radiation effects, we plan to carefully dissect the role of genetic predisposition on two non-targeted radiation responses in these models; the bystander effect and genomic instability, which we believe are closely related. We will specifically focus on the effects of low doses of low LET radiation, down to doses approaching a single electron traversal. Using conventional X-ray and ?-ray sources, novel dish separation and targeted irradiation approaches, we will be able to assess the role of genetic variation under various bystander conditions at doses down to a few electron tracks. Irradiations will be carried out using facilities in routine operation for bystander targeted studies. Mechanistic studies of instability and the bystander response in different cell lineages will focus initially on the role of cytokines which have been shown to be involved in bystander signaling and the initiation of instability. These studies also aim to uncover protein mediators of the bystander responses using advanced proteomic screening of factors released from irradiated, bystander and unstable cells. Integral to these studies will be an assessment of the role of genetic susceptibility in these responses, using CBA/H and C57BL/6J mice. The relevance of in vivo interactions between stem cells and the stem cell niche will be explored in the future by re-implantation techniques of previously irradiated cells. The above studies will provide fundamental mechanistic information relating genetic predisposition to important low dose phenomena, and will aid in the development of Department of Energy policy, as well as radiation risk policy for the public and the workplace. We believe the proposed studies accurately reflect the goals of the DOE low dose program.

Munira A Kadhim

2010-03-05T23:59:59.000Z

330

Verifying a nuclear weapon`s response to radiation environments  

SciTech Connect

The process described in the paper is being applied as part of the design verification of a replacement component designed for a nuclear weapon currently in the active stockpile. This process is an adaptation of the process successfully used in nuclear weapon development programs. The verification process concentrates on evaluating system response to radiation environments, verifying system performance during and after exposure to radiation environments, and assessing system survivability.

Dean, F.F.; Barrett, W.H.

1998-05-01T23:59:59.000Z

331

Advanced Demand Responsive Lighting  

NLE Websites -- All DOE Office Websites (Extended Search)

Demand Demand Responsive Lighting Host: Francis Rubinstein Demand Response Research Center Technical Advisory Group Meeting August 31, 2007 10:30 AM - Noon Meeting Agenda * Introductions (10 minutes) * Main Presentation (~ 1 hour) * Questions, comments from panel (15 minutes) Project History * Lighting Scoping Study (completed January 2007) - Identified potential for energy and demand savings using demand responsive lighting systems - Importance of dimming - New wireless controls technologies * Advanced Demand Responsive Lighting (commenced March 2007) Objectives * Provide up-to-date information on the reliability, predictability of dimmable lighting as a demand resource under realistic operating load conditions * Identify potential negative impacts of DR lighting on lighting quality Potential of Demand Responsive Lighting Control

332

NFkB in the Thiol-Induced Adaptive Response (A)  

NLE Websites -- All DOE Office Websites (Extended Search)

A) A) David Grdina The University of Chicago Abstract Exposure of cells to low non-lethal doses of ionizing radiation (≤ 10 cGy) or WR1065, the active free thiol form of amifostine, can induce pro-survival pathways that result in protection against the damaging effects of a 2 Gy dose of ionizing radiation. One such signaling pathway involves the activation of NFκB and the subsequent elevation of active manganese superoxide dismutase (SOD2). SOD2 is a mitochondrial matrix protein that serves as the primary mitochondrial defense against superoxide formation. Its primary function is to facilitate the dismutation of two molecules of superoxide anion (O2-) produced by normal respiratory processes or following exposure to ionizing radiation into water and hydrogen peroxide. To characterize the role of SOD2 in the radiation- and

333

Characterization of abdominal adiposity and its relationship to adipokines and the adaptive immune response  

E-Print Network (OSTI)

A large body of evidence demonstrates that obese pregnant women have a greater risk of pregnancy and delivery complications and poorer health outcomes compared with normal weight pregnant women. Most research on the impact of obesity in pregnancy...

Ozias, Marlies

2013-12-31T23:59:59.000Z

334

Adaptive response by single cell radiation hits?implications for nuclear workers  

Science Journals Connector (OSTI)

......and F r, for radioprotective AR for the four AR datasets showing mean single hits. Shown also are the...With respect to radioprotection in the event of a nuclear accident exposure of nuclear workers, Shadley and Wolfe(12) show a significant......

Bobby E. Leonard

2005-12-20T23:59:59.000Z

335

Plant responses associated with adaptation to low nitrogen stresses in selected Cynodon cultivars  

E-Print Network (OSTI)

associated with low stress tolerant bermudgrass cultivars. Four Cynodon cultivars, Midway, Tifgreen, Texturf 10, and FB-119, were maintained at three nitrogen fertility levels for 10 bi-weekly observations of shoot height, internode length, number..., representing two species, were Midway (Cynodon dactylon x C. transvaalensis) which has a high nitrogen requirement; Tifgreen (C. dactylon x C. trans- vaalensis), a medium nitrogen requirement; and Texturf 10 (C. dac- tylon) and FB-119 (C. dactylon) both...

Sifers, Samuel I.

2012-06-07T23:59:59.000Z

336

The role of antioxidant enzymes in adaptive responses to environmental toxicants in vascular disease  

Science Journals Connector (OSTI)

Human exposure to environmental toxicants is known to contribute to the development of vascular disease. Inhalation of environmental toxicants induces inflammation and oxidative stress in the vascular system a...

Seung Eun Lee; Yong Seek Park

2013-06-01T23:59:59.000Z

337

A systems approach to uncovering the adaptive response of cancer to targeted therapies  

E-Print Network (OSTI)

Tyrosine kinase inhibitors have significant promise in the fight to develop agents that can target cancer in a tumor-specific manner. A number of drugs have been and are currently in development to inhibit specific kinases ...

Randall, Adrian Joseph

2012-01-01T23:59:59.000Z

338

Adaptive response of Yersinia pestis to extracellular effectors of innate immunity during bubonic plague  

Science Journals Connector (OSTI)

...70 2.08 4.46 Conserved hypothetical protein dcuA YPO0347 2.72 3.18 3.13 B Anaerobic C4-dicarboxylate transporter dmsC YPO3323 6.05 3.73 3.48 4.69 Anaerobic dimethyl sulfoxide reductase chain C S. Function unknown ZZQQhy YPO1307 4.87...

Florent Sebbane; Nadine Lematre; Daniel E. Sturdevant; Roberto Rebeil; Kimmo Virtaneva; Stephen F. Porcella; B. Joseph Hinnebusch

2006-01-01T23:59:59.000Z

339

Adaptive response of Yersinia pestis to extracellular effectors of innate immunity during bubonic plague  

Science Journals Connector (OSTI)

...to intracellular killing by macrophages (B). The mean and standard error of three experiments are shown. (C and D) Incidence of plague...72 3.18 3.13 B Anaerobic C4-dicarboxylate transporter dmsC YPO3323 6.05 3.73 3.48 4.69 Anaerobic dimethyl sulfoxide...

Florent Sebbane; Nadine Lematre; Daniel E. Sturdevant; Roberto Rebeil; Kimmo Virtaneva; Stephen F. Porcella; B. Joseph Hinnebusch

2006-01-01T23:59:59.000Z

340

Non-climatic thermal adaptation: implications for species' responses to climate warming  

Science Journals Connector (OSTI)

...Grahamstown, South Africa 3 The Swire Institute of...non-climatic heat sources (solar and geothermal) seems likely...Wald 2001 The European solar radiation atlas: a valuable digital tool. Solar Energy 71, 81-83. ( doi:10...

2010-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Molecular Mechanisms Involved in Adaptive Responses to Radiation, UV light, and Heat  

Science Journals Connector (OSTI)

......B. (2002) The role of UV-B radiation in aquatic and terrestrial ecosystems-an experimental and functional analysis of...Takahashi, A. and Okaichi, K. (1999) Restoration of mutant TP53 to normal TP53 function by glycerol......

Akihisa Takahashi; Takeo Ohnishi

2009-09-01T23:59:59.000Z

342

The molecular basis of adaptive evolution in yeast: response to ethanol.  

E-Print Network (OSTI)

??Ethanol tolerance in Saccharomyces cerevisiae is a complex polygenic trait. As a toxin, ethanol damages multiple cell constituents as well as being both a substrate (more)

Smith, Daniel

2014-01-01T23:59:59.000Z

343

Demand response enabling technology development  

E-Print Network (OSTI)

Demand Response Enabling Technology Development Phase IEfficiency and Demand Response Programs for 2005/2006,Application to Demand Response Energy Pricing SenSys 2003,

2006-01-01T23:59:59.000Z

344

Demand Response Spinning Reserve Demonstration  

E-Print Network (OSTI)

F) Enhanced ACP Date RAA ACP Demand Response SpinningReserve Demonstration Demand Response Spinning Reservesupply spinning reserve. Demand Response Spinning Reserve

2007-01-01T23:59:59.000Z

345

Cross-sector Demand Response  

NLE Websites -- All DOE Office Websites (Extended Search)

Resources News & Events Expand News & Events Skip navigation links Smart Grid Demand Response Agricultural Residential Demand Response Commercial & Industrial Demand Response...

346

Demand Response Programs for Oregon  

E-Print Network (OSTI)

Demand Response Programs for Oregon Utilities Public Utility Commission May 2003 Public Utility ....................................................................................................................... 1 Types of Demand Response Programs............................................................................ 3 Demand Response Programs in Oregon

347

Demand response enabling technology development  

E-Print Network (OSTI)

behavior in developing a demand response future. Phase_II_Demand Response Enabling Technology Development Phase IIYi Yuan The goal of the Demand Response Enabling Technology

Arens, Edward; Auslander, David; Huizenga, Charlie

2008-01-01T23:59:59.000Z

348

Automated Demand Response and Commissioning  

E-Print Network (OSTI)

Fully-Automated Demand Response Test in Large Facilities14in DR systems. Demand Response using HVAC in Commercialof Fully Automated Demand Response in Large Facilities

Piette, Mary Ann; Watson, David S.; Motegi, Naoya; Bourassa, Norman

2005-01-01T23:59:59.000Z

349

Financing Climate Adaptation and Mitigation in Rural Areas of Developing  

Open Energy Info (EERE)

Financing Climate Adaptation and Mitigation in Rural Areas of Developing Financing Climate Adaptation and Mitigation in Rural Areas of Developing Countries Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Financing Climate Adaptation and Mitigation in Rural Areas of Developing Countries Agency/Company /Organization: U.S. Agency for International Development Topics: Adaptation, Co-benefits assessment, Finance Resource Type: Publications Website: pdf.usaid.gov/pdf_docs/PNADO826.pdf Financing Climate Adaptation and Mitigation in Rural Areas of Developing Countries Screenshot References: Financing Climate Adaptation and Mitigation in Rural Areas of Developing Countries[1] Summary "In order to determine how USAID assistance may help overcome barriers to financing these types of projects, this report addresses the following

350

Climate Change Adaptation and Mitigation in the Tourism Sector | Open  

Open Energy Info (EERE)

Climate Change Adaptation and Mitigation in the Tourism Sector Climate Change Adaptation and Mitigation in the Tourism Sector Jump to: navigation, search Tool Summary Name: Climate Change Adaptation and Mitigation in the Tourism Sector Agency/Company /Organization: United Nations Environment Programme Topics: Adaptation, Co-benefits assessment Resource Type: Publications Website: www.unep.fr/shared/publications/pdf/DTIx1047xPA-ClimateChange.pdf Climate Change Adaptation and Mitigation in the Tourism Sector Screenshot References: Climate Change Adaptation and Mitigation in the Tourism Sector[1] Summary "This document forms part of the " UNEP Manuals on Sustainable Tourism" and the UNWTO sustainable tourism policy guidebooks publication series, aiming to provide guidance to tourism stakeholders to integrate

351

Adaptation to Climate Variability and Change: A Guidance Manual for  

Open Energy Info (EERE)

Adaptation to Climate Variability and Change: A Guidance Manual for Adaptation to Climate Variability and Change: A Guidance Manual for Development Planning Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Adaptation to Climate Variability and Change: A Guidance Manual for Development Planning Agency/Company /Organization: United States Agency for International Development Sector: Climate, Energy, Land, Water Topics: Adaptation Resource Type: Guide/manual Website: pdf.usaid.gov/pdf_docs/PNADJ990.pdf References: Adaptation to Climate Variability and Change: A Guidance Manual for Development Planning[1] "This Adaptation Guidance Manual is the first of several tools we are developing to assist planners and stakeholders as they cope with a changing climate. As we work with Missions to apply the methods described here, we

352

Assessing Climate Change Impacts, Vulnerability and Adaptation: The Case of  

Open Energy Info (EERE)

Impacts, Vulnerability and Adaptation: The Case of Impacts, Vulnerability and Adaptation: The Case of Pantabangan-Carranglan Watershed Jump to: navigation, search Name Assessing Climate Change Impacts, Vulnerability and Adaptation: The Case of Pantabangan-Carranglan Watershed Agency/Company /Organization World Agroforestry Centre Sector Land Focus Area Forestry Topics Adaptation, Background analysis, Co-benefits assessment Resource Type Publications Website http://www.worldagroforestry.o Country Philippines UN Region South-Eastern Asia References Assessing Climate Change Impacts, Vulnerability and Adaptation: The Case of Pantabangan-Carranglan Watershed[1] Assessing Climate Change Impacts, Vulnerability and Adaptation: The Case of Pantabangan-Carranglan Watershed Screenshot This article is a stub. You can help OpenEI by expanding it.

353

Restricted Complexity Framework for Nonlinear Adaptive Control in Complex Systems  

SciTech Connect

Control law adaptation that includes implicit or explicit adaptive state estimation, can be a fundamental underpinning for the success of intelligent control in complex systems, particularly during subsystem failures, where vital system states and parameters can be impractical or impossible to measure directly. A practical algorithm is proposed for adaptive state filtering and control in nonlinear dynamic systems when the state equations are unknown or are too complex to model analytically. The state equations and inverse plant model are approximated by using neural networks. A framework for a neural network based nonlinear dynamic inversion control law is proposed, as an extrapolation of prior developed restricted complexity methodology used to formulate the adaptive state filter. Examples of adaptive filter performance are presented for an SSME simulation with high pressure turbine failure to support extrapolations to adaptive control problems.

Williams, Rube B. [Los Alamos National Laboratory, P.O. Box 1663, MS K575, Los Alamos, NM 87545 (United States)

2004-02-04T23:59:59.000Z

354

Mainstreaming Climate Change Adaptation into Development Planning: A Guide  

Open Energy Info (EERE)

Mainstreaming Climate Change Adaptation into Development Planning: A Guide Mainstreaming Climate Change Adaptation into Development Planning: A Guide for Practitioners Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Mainstreaming Climate Change Adaptation into Development Planning: A Guide for Practitioners Agency/Company /Organization: United Nations Environment Programme (UNEP) Sector: Climate Focus Area: Economic Development Topics: Co-benefits assessment, Pathways analysis Resource Type: Guide/manual Website: www.unpei.org/component/docman/doc_download/79-pei-mainstreaming-clima Cost: Free Mainstreaming Climate Change Adaptation into Development Planning: A Guide for Practitioners Screenshot References: Mainstreaming Climate Change Adaptation into Development Planning: A Guide for Practitioners[1] Logo: Mainstreaming Climate Change Adaptation into Development Planning: A Guide for Practitioners

355

Supporting User Adaptation in Adaptive Hypermedia Applications Hongjing Wu, Geert-Jan Houben, Paul De Bra  

E-Print Network (OSTI)

applications, named AHAM (for Adaptive Hypermedia Application Model) [DHW99]. In AHAM knowledge is represented through hierarchies of large composite abstract concepts as well as small atomic ones. AHAM also divides. In this paper, we concentrate on the user modeling aspects of AHAM, but also describe how they relate

Houben, Geert-Jan

356

Supporting User Adaptation in Adaptive Hypermedia Applications Hongjing Wu, GeertJan Houben, Paul De Bra  

E-Print Network (OSTI)

applications, named AHAM (for Adaptive Hypermedia Application Model) [DHW99]. In AHAM knowledge is represented through hierarchies of large composite abstract concepts as well as small atomic ones. AHAM also divides. In this paper, we concentrate on the user modeling aspects of AHAM, but also describe how they relate

De Bra, Paul

357

A linearly constrained adaptive algorithm for seismic array processing  

E-Print Network (OSTI)

is described. The constrained IPS adaptive algorithm of Frost ( 1972) is derived from this linearly constrained LNS algorithm and compared with other algorithms. Theoretical analyses show that the constrained LMS adaptive algorithm is able to provide1 a... better than simple channel-averaging. hut in the case of the real seismic data, it takes advantage of the coher- ence feature of noise between channels to reduce the noise power. Further experiments indicate that the constrained LNS adaptive algorithm...

Byun, Bok Sub

2012-06-07T23:59:59.000Z

358

Adaptive heterogeneous multi-robot teams  

SciTech Connect

This research addresses the problem of achieving fault tolerant cooperation within small- to medium-sized teams of heterogeneous mobile robots. The author describes a novel behavior-based, fully distributed architecture, called ALLIANCE, that utilizes adaptive action selection to achieve fault tolerant cooperative control in robot missions involving loosely coupled, largely independent tasks. The robots in this architecture possess a variety of high-level functions that they can perform during a mission, and must at all times select an appropriate action based on the requirements of the mission, the activities of other robots, the current environmental conditions, and their own internal states. Since such cooperative teams often work in dynamic and unpredictable environments, the software architecture allows the team members to respond robustly and reliably to unexpected environmental changes and modifications in the robot team that may occur due to mechanical failure, the learning of new skills, or the addition or removal of robots from the team by human intervention. After presenting ALLIANCE, the author describes in detail the experimental results of an implementation of this architecture on a team of physical mobile robots performing a cooperative box pushing demonstration. These experiments illustrate the ability of ALLIANCE to achieve adaptive, fault-tolerant cooperative control amidst dynamic changes in the capabilities of the robot team.

Parker, L.E.

1998-11-01T23:59:59.000Z

359

Adaptive Non-Boltzmann Monte Carlo  

SciTech Connect

This manuscript generalizes the use of transition probabilities (TPs) between states, which are efficient relative to histogram procedures in deriving system properties. The empirical TPs of the simulation depend on the importance weights and are temperature-specific, so they are not conducive to accumulating statistics as weights change or to extrapolating in temperature. To address these issues, the authors provide a method for inferring Boltzmann-weighted TPs for one temperature from simulations run at other temperatures and/or at different adaptively varying importance weights. They refer to these as canonical transition probabilities (CTPs). System properties are estimated from CTPs. Statistics on CTPs are gathered by inserting a low-cost easily-implemented bookkeeping step into the Metropolis algorithm for non-Boltzmann sampling. The CTP method is inherently adaptive, can take advantage of partitioning of the state space into small regions using either serial or (embarrassingly) parallel architectures, and reduces variance by avoiding histogramming. They also demonstrate how system properties may be extrapolated in temperature from CTPs without the extra memory required by using energy as a microstate label. Nor does it require the solution of non-linear equations used in histogram methods.

Fitzgerald, M.; Picard, R.R.; Silver, R.N.

1998-06-01T23:59:59.000Z

360

Adaptive management of coastal ecosystem restoration projects  

Science Journals Connector (OSTI)

There is a clear need to apply better and more effective management schemes to coastal ecosystem restoration projects. It is very common for aquatic ecosystem restoration projects not to meet their goals. Poor performance has led to a high degree of uncertainty about the potential success of any restoration effort. Under adaptive management, the knowledge gained through monitoring of the project and social policies is translated into restoration policy and program redesign. Planners and managers can utilize the information from the monitoring programs in an effective way to assure that project goals are met or that informed and objective decisions are made to address both ecological and societal needs. The three main ingredients of an effective adaptive management plan in a restoration project are: (1) a clear goal statement; (2) a conceptual model; and (3) a decision framework. The goal drives the design of the project and helps guide the development of performance criteria. The goal statement and performance criteria provide the means by which the system can be judged. With the conceptual model, the knowledge base from the field of ecological science plays an active and critical role in designing the project to meet the goal. A system-development matrix provides a simple decision framework to view the alternative states for the system during development, incorporate knowledge gained through the monitoring program, and formulate a decision on actions to take if the system is not meeting its goal.

Ronald M Thom

2000-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Response Protocol Distressed Students  

E-Print Network (OSTI)

Response Protocol Distressed Students REFERRAL IDENTIFIERS: Student distress may manifest, the Distressed Student Protocol will assist you in responding to the student and providing appropriate referrals

California at Santa Barbara, University of

362

Demand Response In California  

Energy.gov (U.S. Department of Energy (DOE))

Presentation covers the demand response in California and is given at the FUPWG 2006 Fall meeting, held on November 1-2, 2006 in San Francisco, California.

363

GADRAS Detector Response Function.  

SciTech Connect

The Gamma Detector Response and Analysis Software (GADRAS) applies a Detector Response Function (DRF) to compute the output of gamma-ray and neutron detectors when they are exposed to radiation sources. The DRF is fundamental to the ability to perform forward calculations (i.e., computation of the response of a detector to a known source), as well as the ability to analyze spectra to deduce the types and quantities of radioactive material to which the detectors are exposed. This document describes how gamma-ray spectra are computed and the significance of response function parameters that define characteristics of particular detectors.

Mitchell, Dean J.; Harding, Lee; Thoreson, Gregory G; Horne, Steven M.

2014-11-01T23:59:59.000Z

364

Regional Climate Change Adaptation Platform for Asia | Open Energy  

Open Energy Info (EERE)

Platform for Asia Platform for Asia Jump to: navigation, search Logo: Regional Climate Change Adaptation Platform for Asia Name Regional Climate Change Adaptation Platform for Asia Agency/Company /Organization United Nations Environment Programme, Swedish International Development Cooperation Agency, Stockholm Environment Institute, Asian Institute of Technology/UNEP Regional Resource Centre for Asia and the Pacific Topics Adaptation, Policies/deployment programs Website http://www.climateadapt.asia/ Country Cambodia, China, Laos, Myanmar, Thailand, Vietnam, Bangladesh, Bhutan, Nepal, Sri Lanka, Indonesia, Malaysia, Philippines UN Region Eastern Asia, South-Eastern Asia References Regional Climate Change Adaptation Platform for Asia[1] Overview "This initiative supports research and capacity building on climate change

365

The Cost to Developing Countries of Adapting to Climate Change...  

Open Energy Info (EERE)

to Climate Change Jump to: navigation, search Tool Summary LAUNCH TOOL Name: The Cost to Developing Countries of Adapting to Climate Change AgencyCompany Organization:...

366

A synthetic DNA based approach to design of adaptive systems  

Science Journals Connector (OSTI)

Development of large engineered systems involves large amount of investments. Yet the value of these systems decreases significantly as requirements and environments change. For mission critical systems the capability of adapting to unpredictable situations is the key for success. While the importance of system adaptability has been recognized, little research has been done for design for adaptability. We take a naturalistic design approach to developing adaptive lifelike systems by exploiting natural design processes and mimicking its DNA based way of capturing, representing and applying design information pertaining to needed functions and changing operational situations. The concepts and examples of this approach are discussed.

Y. Jin; G.E. Zouein; S.C.-Y. Lu

2009-01-01T23:59:59.000Z

367

Financing Climate Adaptation and Mitigation in Rural Areas of...  

Open Energy Info (EERE)

areas that USAID could explore to enable the implementation of projects that produce climate change benefits." References "Financing Climate Adaptation and Mitigation in...

368

Quantitative Adaptation Analytics for Assessing Dynamic Systems of Systems.  

SciTech Connect

Our society is increasingly reliant on systems and interoperating collections of systems, known as systems of systems (SoS). These SoS are often subject to changing missions (e.g., nation- building, arms-control treaties), threats (e.g., asymmetric warfare, terrorism), natural environments (e.g., climate, weather, natural disasters) and budgets. How well can SoS adapt to these types of dynamic conditions? This report details the results of a three year Laboratory Directed Research and Development (LDRD) project aimed at developing metrics and methodologies for quantifying the adaptability of systems and SoS. Work products include: derivation of a set of adaptability metrics, a method for combining the metrics into a system of systems adaptability index (SoSAI) used to compare adaptability of SoS designs, development of a prototype dynamic SoS (proto-dSoS) simulation environment which provides the ability to investigate the validity of the adaptability metric set, and two test cases that evaluate the usefulness of a subset of the adaptability metrics and SoSAI for distinguishing good from poor adaptability in a SoS. Intellectual property results include three patents pending: A Method For Quantifying Relative System Adaptability, Method for Evaluating System Performance, and A Method for Determining Systems Re-Tasking.

Gauthier, John H.; Miner, Nadine E.; Wilson, Michael L.; Le, Hai D.; Kao, Gio K; Melander, Darryl J.; Longsine, Dennis Earl [Sandia National Laboratories, Unknown, Unknown; Vander Meer, Robert Charles,

2015-01-01T23:59:59.000Z

369

ADAPT Elektronik GmbH | Open Energy Information  

Open Energy Info (EERE)

GmbH Jump to: navigation, search Name: ADAPT Elektronik GmbH Place: Grobheubach, Germany Zip: 63920 Sector: Solar Product: Germany-based manufacturer of electronic connector...

370

Development based climate change adaptation and mitigation-conceptual...  

Open Energy Info (EERE)

based climate change adaptation and mitigation-conceptual issues and lessons learned in studies in developing countries Jump to: navigation, search Tool Summary LAUNCH TOOL Name:...

371

Adaptation to Climate Variability and Change: A Guidance Manual...  

Open Energy Info (EERE)

to Climate Variability and Change: A Guidance Manual for Development Planning Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Adaptation to Climate Variability and...

372

Adapting Urban Transport to Climate Change- Module 5f - Sustainable...  

Open Energy Info (EERE)

Adapting Urban Transport to Climate Change- Module 5f - Sustainable transport: a sourcebook for policy-makers in developing cities Jump to: navigation, search Tool Summary LAUNCH...

373

Economic Evaluation of Climate Change Adaptation Projects: Approaches...  

Open Energy Info (EERE)

of Climate Change Adaptation Projects: Approaches for the Agricultural Sector and Beyond Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Economic Evaluation of Climate...

374

How to Integrate Climate Change Adaptation into National-Level...  

Open Energy Info (EERE)

Integrate Climate Change Adaptation into National-Level Policy and Planning in the Water Sector Jump to: navigation, search Tool Summary LAUNCH TOOL Name: How to Integrate Climate...

375

Ethiopia-Climate Change National Adaptation Programme of Action...  

Open Energy Info (EERE)

Action Jump to: navigation, search Name Ethiopia-Climate Change National Adaptation Programme of Action AgencyCompany Organization United Nations Development Programme, Global...

376

Agricultural Technologies for Climate Change Mitigation and Adaptation...  

Open Energy Info (EERE)

Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Agricultural Technologies for Climate Change Mitigation and Adaptation in Developing Countries: Policy Options for...

377

Benin-National Adaptation Plan Global Support Programme (NAP...  

Open Energy Info (EERE)

Adaptation Plans (NAPs). NAPs will bring greater focus and coordination to country-led efforts in disaster management and disaster risk reduction, and climate change...

378

Bangladesh-National Adaptation Plan Global Support Programme...  

Open Energy Info (EERE)

Adaptation Plans (NAPs). NAPs will bring greater focus and coordination to country-led efforts in disaster management and disaster risk reduction, and climate change...

379

Burkina Faso-National Adaptation Plan Global Support Programme...  

Open Energy Info (EERE)

Adaptation Plans (NAPs). NAPs will bring greater focus and coordination to country-led efforts in disaster management and disaster risk reduction, and climate change...

380

Applying Climate Information for Adaptation Decision-Making:...  

Open Energy Info (EERE)

Applying Climate Information for Adaptation Decision-Making: A Guidance and Resource Document Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Applying Climate...

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Optimization Online - An Adaptive Partition-based Approach for ...  

E-Print Network (OSTI)

Dec 2, 2014 ... Our computational results show that the proposed adaptive partition-based approach converges very fast to a small partition for our test...

Yongjia Song

2014-12-02T23:59:59.000Z

382

USE OF QUADRATIC MODELS WITH MESH ADAPTIVE DIRECT ...  

E-Print Network (OSTI)

Mar 6, 2011 ... differences remain: the mesh adaptive direct search (MADS [6, ... implicit filtering method described in [19] may also be viewed as a hybrid...

Le Digabel

2011-03-06T23:59:59.000Z

383

Modeling and adaptive control of indoor unmanned aerial vehicles  

E-Print Network (OSTI)

The operation of unmanned aerial vehicles (UAVs) in constrained indoor environments presents many unique challenges in control and planning. This thesis investigates modeling, adaptive control and trajectory optimization ...

Michini, Bernard (Bernard J.)

2009-01-01T23:59:59.000Z

384

Characterizing Uncertainty for Regional Climate Change Mitigation and Adaptation Decisions  

SciTech Connect

This white paper describes the results of new research to develop an uncertainty characterization process to help address the challenges of regional climate change mitigation and adaptation decisions.

Unwin, Stephen D.; Moss, Richard H.; Rice, Jennie S.; Scott, Michael J.

2011-09-30T23:59:59.000Z

385

Africa Adaptation Programme: Capacity Building Experiences-Improving...  

Open Energy Info (EERE)

Data and Information Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Africa Adaptation Programme: Capacity Building Experiences-Improving Access, Understanding...

386

Information Incident Response Procedure  

E-Print Network (OSTI)

Information Incident Response Procedure Authority The Information Incident Response Procedure (IIRP) is authorized under the UWM Information Security Policy S59; section III-D (http://www4.uwm Information Security Office, and UWM Internal Audit. This document will be reviewed and updated annually

Saldin, Dilano

387

ENERGY EMERGENCY RESPONSE PLAN  

E-Print Network (OSTI)

CALIFORNIA ENERGY COMMISSION ENERGY EMERGENCY RESPONSE PLAN COMMISSIONREPORT October 2006 CEC-600-2006-014 Arnold Schwarzenegger, Governor #12;CALIFORNIA ENERGY COMMISSION Jackalyne Pfannenstiel Chairman James D Deputy Director FUELS AND TRANSPORTATION DIVISION #12;The Energy Emergency Response Plan is prepared

388

RESPONSIBILITIES October 2012  

E-Print Network (OSTI)

PRINCIPLES RESPONSIBILITIES PRACTICES October 2012 HEALTH & SAFETY POLICY AT STANFORD #12;1 Health & Safety Policy at Stanford October 2012 Table of Contents PRINCIPLES OF HEALTH & SAFETY 2 RESPONSIBILITIES PROVIDING A SAFE WORKPLACE 4 Facility Design 4 Hazard Identification and Correction 4 Shutdown of Dangerous

Kay, Mark A.

389

Eastern Frequency Response Study  

SciTech Connect

This study was specifically designed to investigate the frequency response of the Eastern Interconnection that results from large loss-of-generation events of the type targeted by the North American Electric Reliability Corp. Standard BAL-003 Frequency Response and Frequency Bias Setting (NERC 2012a), under possible future system conditions with high levels of wind generation.

Miller, N.W.; Shao, M.; Pajic, S.; D'Aquila, R.

2013-05-01T23:59:59.000Z

390

Response Time-based Self-tuning Fuzzy Control of Virtualized Resources  

E-Print Network (OSTI)

, originally developed for response time assurance in web servers to resource allocation in virtualized environments. We introduce mechanisms for adaptive output amplification and flexible rule selection in the STFC are difficult to estimate due to time-varying and diverse workload. More importantly, client-perceived quality

Xu, Cheng-Zhong

391

An adaptive attack on Wiesner's quantum money  

E-Print Network (OSTI)

Unlike classical money, which is hard to forge for practical reasons (e.g. producing paper with a certain property), quantum money is attractive because its security might be based on the no-cloning theorem. The first quantum money scheme was introduced by Wiesner circa 1970. Although more sophisticated quantum money schemes were proposed, Wiesner's scheme remained appealing because it is both conceptually clean and relatively easy to implement. We show efficient adaptive attacks on Wiesner's quantum money scheme [Wie83] (and its variant by Bennett et al. [BBBW83]), when valid money is accepted and passed on, while invalid money is destroyed. We propose two attacks, the first is inspired by the Elitzur-Vaidman bomb testing problem [EV93, KWH+95], while the second is based on the idea of protective measurements [AAV93]. It allows us to break Wiesner's scheme with 4 possible states per qubit, and generalizations which use more than 4 states per qubit.

Aharon Brodutch; Daniel Nagaj; Or Sattath; Dominique Unruh

2014-09-22T23:59:59.000Z

392

Adaptive Probabilistic Flooding for Multipath Routing  

E-Print Network (OSTI)

In this work, we develop a distributed source routing algorithm for topology discovery suitable for ISP transport networks, that is however inspired by opportunistic algorithms used in ad hoc wireless networks. We propose a plug-and-play control plane, able to find multiple paths toward the same destination, and introduce a novel algorithm, called adaptive probabilistic flooding, to achieve this goal. By keeping a small amount of state in routers taking part in the discovery process, our technique significantly limits the amount of control messages exchanged with flooding -- and, at the same time, it only minimally affects the quality of the discovered multiple path with respect to the optimal solution. Simple analytical bounds, confirmed by results gathered with extensive simulation on four realistic topologies, show our approach to be of high practical interest.

Betoule, Christophe; Clavier, Remi; Rossi, Dario; Rossini, Giuseppe; Thouenon, Gilles

2011-01-01T23:59:59.000Z

393

Adaptive model training system and method  

DOE Patents (OSTI)

An adaptive model training system and method for filtering asset operating data values acquired from a monitored asset for selectively choosing asset operating data values that meet at least one predefined criterion of good data quality while rejecting asset operating data values that fail to meet at least the one predefined criterion of good data quality; and recalibrating a previously trained or calibrated model having a learned scope of normal operation of the asset by utilizing the asset operating data values that meet at least the one predefined criterion of good data quality for adjusting the learned scope of normal operation of the asset for defining a recalibrated model having the adjusted learned scope of normal operation of the asset.

Bickford, Randall L; Palnitkar, Rahul M

2014-11-18T23:59:59.000Z

394

Adaptive model training system and method  

DOE Patents (OSTI)

An adaptive model training system and method for filtering asset operating data values acquired from a monitored asset for selectively choosing asset operating data values that meet at least one predefined criterion of good data quality while rejecting asset operating data values that fail to meet at least the one predefined criterion of good data quality; and recalibrating a previously trained or calibrated model having a learned scope of normal operation of the asset by utilizing the asset operating data values that meet at least the one predefined criterion of good data quality for adjusting the learned scope of normal operation of the asset for defining a recalibrated model having the adjusted learned scope of normal operation of the asset.

Bickford, Randall L; Palnitkar, Rahul M; Lee, Vo

2014-04-15T23:59:59.000Z

395

Phase sensor for solar adaptive-optics  

E-Print Network (OSTI)

Wavefront sensing in solar adaptive-optics is currently done with correlating Shack-Hartmann sensors, although the spatial- and temporal-resolutions of the phase measurements are then limited by the extremely fast computing required to correlate the sensor signals at the frequencies of daytime atmospheric-fluctuations. To avoid this limitation, a new wavefront-sensing technique is presented, that makes use of the solar brightness and is applicable to extended sources. The wavefront is sent through a modified Mach-Zehnder interferometer. A small, central part of the wavefront is used as reference and is made to interfere with the rest of the wavefront. The contrast of two simultaneously measured interference-patterns provides a direct estimate of the wavefront phase, no additional computation being required. The proposed optical layout shows precise initial alignment to be the critical point in implementing the new wavefront-sensing scheme.

Kellerer, Aglae

2011-01-01T23:59:59.000Z

396

Electronic-structure calculations in adaptive coordinates  

Science Journals Connector (OSTI)

The plane-wave method for electronic-structure calculations is reformulated in generalized curvilinear coordinates. This introduces a new set of basis functions that depend continuously on a coordinate transformation, and can adapt themselves to represent optimally the solutions of the Schrdinger equation. As a consequence, the effective plane-wave energy cutoff is allowed to vary in the unit cell in an unbiased way. The efficiency of this method is demonstrated in the calculation of the equilibrium structures of the CO and H2O molecules using the local-density approximation of density-functional theory, and norm-conserving, nonlocal pseudopotentials. The easy evaluation of forces on all degrees of freedom makes the method suitable for ab initio molecular-dynamics applications.

Franois Gygi

1993-10-15T23:59:59.000Z

397

Adaptive Competition, Market Efficiency, and Phase Transitions  

Science Journals Connector (OSTI)

In many social and biological systems agents simultaneously and adaptively compete for limited resources, thereby altering their environment. We analyze a simple model that incorporates fundamental features of such systems. If the space of strategies available to the agents is small, the system is in a phase in which all information available to the agents' strategies is traded away, and agents' choices are maladaptive, resulting in a poor collective utilization of resources. For larger strategy spaces, the system is in a phase in which the agents are able to coordinate their actions to achieve a better utilization of resources. The best utilization of resources occurs at a critical point, when the dimension of the strategy space is on the order of the number of agents.

Robert Savit; Radu Manuca; Rick Riolo

1999-03-08T23:59:59.000Z

398

ADAPTIVE ONLINE ENERGY SAVING FOR HETEROGENEOUS SENSOR Meikang Qiu1  

E-Print Network (OSTI)

ADAPTIVE ONLINE ENERGY SAVING FOR HETEROGENEOUS SENSOR NETWORKS Meikang Qiu1 Jingtong Hu2 Edwin H-to-predict environments and have limited lifetime. We use a novel adaptive online energy saving (AOES) algorithm to save as a probabilistic random variable to save energy by se- lecting the best mode assignment for each node, which

Sha, Edwin

399

Structural adaptations to diverse fighting styles in sexually selected weapons  

E-Print Network (OSTI)

Structural adaptations to diverse fighting styles in sexually selected weapons Erin L. McCullough1 11, 2014 (received for review May 22, 2014) The shapes of sexually selected weapons differ widely weapon shapes reflect structural adaptations to different fighting styles, yet explicit tests

Emlen, Douglas J.

400

Grid Computing: Adaptive Software, Tools, and Applications Call For Papers  

E-Print Network (OSTI)

Grid Computing: Adaptive Software, Tools, and Applications Call For Papers Software Technology Mini-Track, HICSS-41 http://wcl.cs.rpi.edu/hicss-grid/ Grid computing environments are highly heteroge- neous and dynamic. Software for grid computing must be able to adapt dynamically to changes in the underlying

Varela, Carlos

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

Parametric Adaptive Spectrum Sensing Framework for Dynamic Spectrum Access Networks  

E-Print Network (OSTI)

- ture for dynamic spectrum sensing. In our approach, the radio learns the statistics of the channel Spectrum Sensing Architecture The proposed PASS architecture enables the radio to adapt its spectrumParametric Adaptive Spectrum Sensing Framework for Dynamic Spectrum Access Networks Dinesh Datla

Kansas, University of

402

Sufficient Conditions for Well-behaved Adaptive Hypermedia Systems  

E-Print Network (OSTI)

for the architecture of adaptive hypermedia applications: the Adaptive Hypermedia Application Model (AHAM) [DHW99]. AHAM describes AHS at an abstract level, using an architecture consisting of three parts: · a domain (AE) are discussed in earlier paper [WDD01]. We defined a rule language for AHS, AHAM-CA and proposed

De Bra, Paul

403

Adapting to Climate Change and Variability in the  

E-Print Network (OSTI)

projects form part of the broader regional Project. As part of the Project, a Symposium Adapting to Climate the Project. The stakeholders responded by sharing their perspectives on the impacts of the climate change1 Adapting to Climate Change and Variability in the Great Lakes-St. Lawrence Basin PROCEEDINGS

404

Saving Energy with Architectural and Frequency Adaptations for Multimedia Applications  

E-Print Network (OSTI)

Saving Energy with Architectural and Frequency Adaptations for Multimedia Applications will benefit DVS. Our adaptation control algorithm is effective in saving energy and exploits most. The existence of this idle time, called slack, implies that the processor can be slowed to save energy

Adve, Sarita

405

Non-Adaptive Complex Group Testing with Multiple Positive Sets  

E-Print Network (OSTI)

Non-Adaptive Complex Group Testing with Multiple Positive Sets Francis Y.L. Chin, Henry C.M. Leung Given n items with at most d of them having a particular property (referred as positive items), a test-adaptive group testing problem is to design how to group the items to minimize the number of tests required

Chin, Francis Y.L.

406

Efficiently Decodable Non-adaptive Group Testing Piotr Indyk  

E-Print Network (OSTI)

. The answer to the test tells whether xi = 0 for all i S or not. The objective is to design as few tests]. In this case, items are blood samples, which are positive if they are infected, and a test is a pool of samples: the outcome of one test cannot be used to adaptively design another test. Non- adaptive group testing (NAGT

407

Runtime Performance Modeling and Measurement of Adaptive Distributed Object Applications  

Science Journals Connector (OSTI)

Distributed applications that can adapt at runtime to changing quality of service (QoS) require a model of the expected QoS and of the possible application adaptations. QoS models in turn require runtime measurements, both in-band and out-of-band, from ...

John A. Zinky; Joseph P. Loyall; Richard Shapiro

2002-10-01T23:59:59.000Z

408

Overcoming Dataset Bias: An Unsupervised Domain Adaptation Approach  

E-Print Network (OSTI)

Overcoming Dataset Bias: An Unsupervised Domain Adaptation Approach Boqing Gong Dept. of Computer that recognition datasets are biased. Paying no heed to those biases, learning algorithms often result in classifiers with poor cross- dataset generalization. We are developing domain adaptation techniques to over

Grauman, Kristen

409

Adaptive Optics in Astronomy Jay J. McCarthy  

E-Print Network (OSTI)

Adaptive Optics in Astronomy Jay J. McCarthy NW Computational Intelligence Laboratory Portland State University Abstract ­ The field of adaptive optics (AO) has developed as a means to correct for the phase disturbances of an optical signal by understanding the medium through which it passes. This paper

La Rosa, Andres H.

410

Adaptive Organizations and Emergent Forms Kathleen M. Carley  

E-Print Network (OSTI)

individual learning (micro-behavior) and organizational learning and adaptation (macro of organizations using intelligent artificial agents. Using ORGAHEAD, a multi-agent model of organizational behavior, a series of virtual experiments were run to examine issues of organizational adaptation. Results

Sadeh, Norman M.

411

Adaptive Organizations and Emergent Forms Kathleen M. Carley  

E-Print Network (OSTI)

learning (micro-behavior) and organizational learning and adaptation (macro-behavior) is the subject of organizations using intelligent artificial agents. Using ORGAHEAD, a multi-agent model of organizational behavior, a series of virtual experiments were run to examine issues of organizational adaptation. Results

Sadeh, Norman M.

412

Adaptive Management Strategies May be Answer to Water Disputes  

E-Print Network (OSTI)

Adaptive Management Strategies May be Answer to Water Disputes LINCOLN, Neb. -- Adaptive management leader in water- management and water-quality research. It has the largest underground aquifer in 1971 spurred new water management districts. Later developments have sought to undo environmental

Nebraska-Lincoln, University of

413

Energy-aware complexity adaptation for mobile video calls  

Science Journals Connector (OSTI)

High energy consumption has become a challenge for multimedia applications on mobile platforms. We propose a cross layer framework that integrates complexity adaptation and energy conservation for mobile video calls. First we select the most utility-aware ... Keywords: adaptation, energy-use optimization, mobile video calls

Haiyang Ma; Deepak Gangadharan; Nalini Venkatasubramanian; Roger Zimmermann

2011-11-01T23:59:59.000Z

414

Are three-dimensional spider webs defensive adaptations?  

E-Print Network (OSTI)

LETTER Are three-dimensional spider webs defensive adaptations? Todd A. Blackledge1 *, Jonathan A-mail: tab42@cornell.edu Abstract Spider webs result from complex behaviours that have evolved under many selective pressures. Webs have been primarily considered to be foraging adaptations, neglecting

Blackledge, Todd

415

On Adaptive Mesh Refinement for Atmospheric Pollution Models  

E-Print Network (OSTI)

On Adaptive Mesh Refinement for Atmospheric Pollution Models Emil M. Constantinescu and Adrian Springer-Verlag Berlin Heidelberg 2005 #12;On Adaptive Mesh Refinement for Atmospheric Pollution Models 799 res- olution system for modeling regional air pollution based on the chemical transport model STEM

Sandu, Adrian

416

Fast Concurrent Dynamic Linking for an Adaptive Operating System  

E-Print Network (OSTI)

Fast Concurrent Dynamic Linking for an Adaptive Operating System Crispin Cowan, Tito Autrey operating system is one that can adapt to some particular circumstance to gain some functional or perfor due to the cost of inter-process protection barriers. Commercial operating systems that can e ciently

Walpole, Jonathan

417

Africa Adaptation Programme: Capacity Building Experiences-Improving  

Open Energy Info (EERE)

Africa Adaptation Programme: Capacity Building Experiences-Improving Africa Adaptation Programme: Capacity Building Experiences-Improving Access, Understanding and Application of Climate Data and Information Jump to: navigation, search Tool Summary Name: Africa Adaptation Programme: Capacity Building Experiences-Improving Access, Understanding and Application of Climate Data and Information Agency/Company /Organization: United Nations Development Programme (UNDP) Sector: Climate, Energy Topics: Adaptation, Co-benefits assessment, - Energy Access Resource Type: Dataset, Lessons learned/best practices Website: www.undp.org/environment/library.shtml Cost: Free UN Region: Eastern Africa, Middle Africa, Northern Africa, Southern Africa, Western Africa Language: English Africa Adaptation Programme: Capacity Building Experiences-Improving Access, Understanding and Application of Climate Data and Information Screenshot

418

Agricultural Technologies for Climate Change Mitigation and Adaptation in  

Open Energy Info (EERE)

Agricultural Technologies for Climate Change Mitigation and Adaptation in Agricultural Technologies for Climate Change Mitigation and Adaptation in Developing Countries: Policy Options for Innovations and Technology Diffusion Jump to: navigation, search Tool Summary Name: Agricultural Technologies for Climate Change Mitigation and Adaptation in Developing Countries: Policy Options for Innovations and Technology Diffusion Agency/Company /Organization: International Centre for Trade and Sustainable Development Sector: Land Focus Area: Agriculture, Biomass Topics: Adaptation, Implementation, Policies/deployment programs Resource Type: Guide/manual, Publications Website: ictsd.org/downloads/2010/06/agricultural-technologies-for-climate-chan Language: English Agricultural Technologies for Climate Change Mitigation and Adaptation in Developing Countries: Policy Options for Innovations and Technology Diffusion Screenshot

419

T-696: RSA Adaptive Authentication Has Unspecified Remote Authenticated  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

6: RSA Adaptive Authentication Has Unspecified Remote 6: RSA Adaptive Authentication Has Unspecified Remote Authenticated Session Re-use Flaw T-696: RSA Adaptive Authentication Has Unspecified Remote Authenticated Session Re-use Flaw August 18, 2011 - 3:09pm Addthis PROBLEM: A vulnerability was reported in RSA Adaptive Authentication. PLATFORM: 6.0.2.1 SP1 Patch 2 and SP1 Patch 3, 6.0.2.1 SP2 and SP2 Patch 1, 6.0.2.1 SP3 ABSTRACT: An issue with Adaptive Authentication (On-Premise) was discovered which in certain circumstances might affect the out-of-the-box available authentication methods. In certain circumstances, when authentication information is compromised, and with the knowledge of additional session information, the authentication information might be reused within an active session. reference LINKS: Security Tracker: 1025956

420

Asia-Pacific Regional Climate Change Adaptation Assessment | Open Energy  

Open Energy Info (EERE)

Asia-Pacific Regional Climate Change Adaptation Assessment Asia-Pacific Regional Climate Change Adaptation Assessment Jump to: navigation, search Tool Summary Name: Asia-Pacific Regional Climate Change Adaptation Assessment Agency/Company /Organization: U.S. Agency for International Development Sector: Energy Topics: Adaptation, Co-benefits assessment, Policies/deployment programs Resource Type: Publications Website: www.usaid.gov/rdma/documents/RDMA_Asia-Pacific_Climate_Change_Adaptati Country: China, Bangladesh, India, Indonesia, Laos, Marshall Islands, Federated States of Micronesia, Philippines, Thailand, Vietnam, Cambodia, Maldives, Mongolia, Nepal, Papua New Guinea, Timor-Leste, Solomon Islands, Sri Lanka, Vanuatu UN Region: Central Asia, Eastern Asia, South-Eastern Asia References: Asia-Pacific Adaptation Assessment[1]

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

India-Vulnerability Assessment and Enhancing Adaptive Capacities to Climate  

Open Energy Info (EERE)

Vulnerability Assessment and Enhancing Adaptive Capacities to Climate Vulnerability Assessment and Enhancing Adaptive Capacities to Climate Change Jump to: navigation, search Name India-Vulnerability Assessment and Enhancing Adaptive Capacities to Climate Change Agency/Company /Organization Swiss Agency for Development and Cooperation Sector Energy, Land, Water Focus Area Agriculture Topics Co-benefits assessment, Background analysis Resource Type Lessons learned/best practices Website http://www.intercooperation.or Country India Southern Asia References India-Vulnerability Assessment and Enhancing Adaptive Capacities to Climate Change[1] India-Vulnerability Assessment and Enhancing Adaptive Capacities to Climate Change Screenshot Contents 1 Introduction [1] 2 Community-based Institutions [2] 3 Pasture Land Development [3]

422

Your Records Management Responsibilities  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Your Records Management Your Records Management Responsibilities Table of Contents INTRODUCTION RECORDS MANAGEMENT IN THE FEDERAL GOVERNMENT RECORDS MANAGEMENT IN THE DEPARTMENT OF ENERGY IMPORTANCE OF RECORDS MANAGEMENT YOUR RECORDS MANAGEMENT RESPONSIBILITIES RECORDS MANAGEMENT LIFE CYCLE ELECTRONIC RECORDS & RECORDKEEPING LAW, REGULATION, AND POLICY ASSISTANCE RECORDS MANAGEMENT TERMS 2 INTRODUCTION If you are a government employee or contractor working for a federal agency, records management is part of your job. This pamphlet explains your responsibilities for federal records and provides the context for understanding records management in the federal government and in the Department of Energy. TOP RECORDS MANAGEMENT IN THE FEDERAL GOVERNMENT

424

Characterization Of High-Stroke High-Aspect Ratio Micro Electro Mechanical Systems Deformable Mirrors For Adaptive Optics  

E-Print Network (OSTI)

Mirrors For Adaptive Optics, PhD Thesis, University ofFabrication Adaptive optics applications in astronomy Max, Center for Adaptive Optics, University of California,

Bouchti, Mohamed Amine

2013-01-01T23:59:59.000Z

425

Addressing uncertainty in adaptation planning for agriculture  

Science Journals Connector (OSTI)

...cost-effective, low-risk responses in high-vulnerability...country, to provide insurance against climate...characterized by strong regional political instability and fragmentation...communicating uncertain climate risks . Nature Clim Change 1 ( 1 ): 35...Institutional change, climate risk, and rural vulnerability: Cases from Central...

Sonja J. Vermeulen; Andrew J. Challinor; Philip K. Thornton; Bruce M. Campbell; Nishadi Eriyagama; Joost M. Vervoort; James Kinyangi; Andy Jarvis; Peter Lderach; Julian Ramirez-Villegas; Kathryn J. Nicklin; Ed Hawkins; Daniel R. Smith

2013-01-01T23:59:59.000Z

426

Integrating Adaptive Components: An Emerging Challenge in Performance-Adaptive Systems and a Server Farm Case-Study  

E-Print Network (OSTI)

into larger adaptive sys- tems, however, presents challenges that arise from potential incompatibilities among, for identifying potential incompatibilities between com- posed adaptation policies and (ii) illustrates a general computing initiative [13], sug- gest increased need for self-managing, self-calibrating, self- healing

Liu, Xue

427

Accident Response Group  

Directives, Delegations, and Requirements

To establish Department of Energy (DOE) policy for DOE response to accidents and significant incidents involving nuclear weapons or nuclear weapon components. Cancels DOE O 5530.1. Canceled by DOE O 153.1.

1991-09-20T23:59:59.000Z

428

RTP Customer Demand Response  

Science Journals Connector (OSTI)

This paper provides new evidence on customer demand response to hourly pricing from the largest and...real-time pricing...(RTP) program in the United States. RTP creates value by inducing load reductions at times...

Steven Braithwait; Michael OSheasy

2002-01-01T23:59:59.000Z

429

Supplier Management Responsibility  

Science Journals Connector (OSTI)

Supplier management, at the organization level, has two basic responsibilities: (1) to ensure that the engineering environment is based on a defined engineering process, with engineers trained to work within that...

Raymond Kehoe; Alka Jarvis

1996-01-01T23:59:59.000Z

430

What's BP's social responsibility?  

E-Print Network (OSTI)

would like to suggest a third, inanimate culprit: the cult of corporate social responsibility. As crude poured into the Gulf of Mexico and the world economy struggled to recover from the financial crisis

431

Oil spill response resources  

E-Print Network (OSTI)

from Marathon Oil Company for their encouragement and support. Last, but not least, I would like to thank Lynette Schlandt for her help during my stay at this University. vu TABLE OF CONTENTS Page ABSTRACT. . . . . nl DEDICATION... tool for control. The State of Texas passed and implemented OSPRA (Oil Spill Prevention and Response Act) of 1991. The most significant requirement for both these laws was the need for a Facility Response Plan for the companies. This would help a...

Muthukrishnan, Shankar

2012-06-07T23:59:59.000Z

432

Closed-loop Reference Model adaptive control : with application to very flexible aircraft  

E-Print Network (OSTI)

One of the main features of adaptive systems is an oscillatory convergence that exacerbates with the speed of adaptation. Over the past two decades several attempts have been made to provide adaptive solutions with guaranteed ...

Gibson, Travis Eli

2014-01-01T23:59:59.000Z

433

Adapting to Extreme Events Related to Natural Variability and Climate Change: The Imperative of Coupling Technology with Strong Regulation and Governance  

Science Journals Connector (OSTI)

His current research interests include governance and policy related to climate change and sustainable development, the political economy of the state, and the scale debate in human geography. ... This is exacerbated by the lack of appropriate adaptation options and the privatization of existing infrastructure, which can leave people exposed to increasing risk. ... Greater regulation with respect to adaptive capacity will clarify the responsibilities of the various agenciesthe development, investment, monitoring and managementthat will need to take place to protect the general public. ...

A. P. Kythreotis; T. G. Mercer; L. E. Frostick

2013-07-29T23:59:59.000Z

434

Authentic science experiences as a vehicle for assessing orientation towards science and science careers relative to identity and agency: a response to learning from the path followed by Brad  

Science Journals Connector (OSTI)

This response draws from the literature on adaptive learning, traditional ecological knowledge, and socialecological systems to show that Brads choice is not a simple decision between traditional ecological ...

Pauline W. U. Chinn

2009-09-01T23:59:59.000Z

435

Oecologia (Berl.) 44, 159-163 (1980) Oecologia9 by Springer-Verlag 1980 Solar Tracking Response to Drought in a Desert Annual  

E-Print Network (OSTI)

on possible adaptive benefits that might be conferred by solar tracking movements. Two species have beenOecologia (Berl.) 44, 159-163 (1980) Oecologia9 by Springer-Verlag 1980 Solar Tracking Response Lake City, UT, 84112, USA Summary. The responses to drought of the solar tracking winter annual Lupinus

Ehleringer, Jim

436

E-Print Network 3.0 - adaptive mixture modelling Sample Search...  

NLE Websites -- All DOE Office Websites (Extended Search)

Summary: for each mixture in the prior model. Unlike the second step of the EM algorithm, for adaptation these "new... Using Adapted Gaussian Mixture Models. Digital Signal...

437

A Comparative Performance Study of Load Adaptive Energy Saving Schemes for IP-Over-WDM Networks  

Science Journals Connector (OSTI)

Load adaptive energy saving schemes for backbone IP networks use dynamic transport circuit services to adapt the active network resources to the current traffic demand in order to...

Caria, Marcel; Chamania, Mohit; Jukan, Admela

2012-01-01T23:59:59.000Z

438

Improved evolutionary optimization from genetically adaptive multimethod search Jasper A. Vrugt, and Bruce A. Robinson  

E-Print Network (OSTI)

Improved evolutionary optimization from genetically adaptive multimethod search Jasper A. Vrugt evolutionary optimization from genetically adaptive multimethod search Jasper A. Vrugt* and Bruce A. Robinson

Vrugt, Jasper A.

439

E-Print Network 3.0 - automatic spatially-adaptive balancing...  

NLE Websites -- All DOE Office Websites (Extended Search)

balancing Page: << < 1 2 3 4 5 > >> 1 Automatic Spatially-Adaptive Balancing of Energy Terms for Image Segmentation Summary: Automatic Spatially-Adaptive Balancing of Energy Terms...

440

E-Print Network 3.0 - academic adaptation styles Sample Search...  

NLE Websites -- All DOE Office Websites (Extended Search)

Whatever the process or level of adaptation implemented by a learning system... of Cognitive Style Relative to Other Individual Variables Adapting the environment to suit...

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

E-Print Network 3.0 - adaptive management plan Sample Search...  

NLE Websites -- All DOE Office Websites (Extended Search)

results for: adaptive management plan Page: << < 1 2 3 4 5 > >> 1 Regional Water Management: Adapting to Uncertain Water Summary: & Implement Management Options Monitor &...

442

E-Print Network 3.0 - adaptive dimension reduction Sample Search...  

NLE Websites -- All DOE Office Websites (Extended Search)

reduction of the crosstalk-resistant adaptive noise canceller (CTRANC) 12... with two adaptive filters. Simulation results will prove that in spite of this complexity...

443

E-Print Network 3.0 - adaptive signal processing Sample Search...  

NLE Websites -- All DOE Office Websites (Extended Search)

into the following sections. Section 2 deals with acoustic signal processing theory in adaptive filters. Section 3... ," An Introduction to Adaptive Signal Processing", McGraw-...

444

E-Print Network 3.0 - adaptive immunity human Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

studied Summary: in adaptive immunity 12;The MHC and neutrophin paralogy groups in the human genome 12;Two distinct forms... of the adaptive immune system "%&'() ...

445

Advancing Adaptive Optics Technology: Laboratory Turbulence Simulation and Optimization of Laser Guide Stars  

E-Print Network (OSTI)

of cone photoreceptors with adaptive optics spectral-domaincoherence tomography, Optics Express, Vol. 14, Issue 10,of Multi-Object Adaptive Optics on a Simulated 10-Meter

Rampy, Rachel

2013-01-01T23:59:59.000Z

446

E-Print Network 3.0 - adaptation technologies related Sample...  

NLE Websites -- All DOE Office Websites (Extended Search)

related Page: << < 1 2 3 4 5 > >> 1 From Adaptive Hypermedia to the Adaptive Web Systems Summary: details - Comparisons Low level technology - Text programming...

447

E-Print Network 3.0 - adaptive short forms Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

at San Diego Collection: Biology and Medicine 13 Appeared in: International Journal of Human-Computer Studies (1994) 40, 544 -472 Adaptively supported Adaptability Summary: in...

448

Chapter 4 - Phytoremediation: Mechanisms and Adaptations  

Science Journals Connector (OSTI)

Abstract Metal contamination of soils is ubiquitous around the globe. Metals accumulate in the soils to toxic levels that may lead to accumulation of metals in plants to unacceptable levels. Metal accumulation is a subject of serious concern due to the threat to plant growth, soil quality, animal and human health. Cleaning up of the soils to remove metals is a current necessity, but it is a challenging task. Different technologies being used nowadays are ex situ which ensues in destruction of soil structure thus leaving it non-useable with poor vegetative cover. Growing plants to clean up the soils is a cost-effective and environmentally friendly alternative. Phytoremediation seems attractive due to non-invasive and non-destructive technology which leaves the soil intact and biologically productive. Plants use different adaptive mechanisms to accumulate or exclude metals, thus maintaining their growth. Accumulation and tolerance of metals by the plants is a complex phenomenon. Movement of metals across the root membrane, loading and translocation of metals through the xylem and sequestration and detoxification of metals at cellular and whole plant levels are important mechanisms adopted by accumulator plants. Understanding the mechanism involved in phytoremediation is necessary to effectively use this technique for metal-contaminated soils. This chapter discusses different mechanisms adopted by plants for remediation of metal-contaminated soils.

Muhammad Sabir; Ejaz Ahmad Waraich; Khalid Rehman Hakeem; Mnir ztrk; Hamaad Raza Ahmad; Muhammad Shahid

2015-01-01T23:59:59.000Z

449

Demand Response Valuation Frameworks Paper  

E-Print Network (OSTI)

No. ER06-615-000 CAISO Demand Response Resource User Guide -8 2.1. Demand Response Provides a Range of Benefits to8 2.2. Demand Response Benefits can be Quantified in Several

Heffner, Grayson

2010-01-01T23:59:59.000Z

450

A Monte Carlo simulation based two-stage adaptive resonance theory mapping approach for offshore oil spill vulnerability index classification  

Science Journals Connector (OSTI)

Abstract In this paper, a Monte Carlo simulation based two-stage adaptive resonance theory mapping (MC-TSAM) model was developed to classify a given site into distinguished zones representing different levels of offshore Oil Spill Vulnerability Index (OSVI). It consisted of an adaptive resonance theory (ART) module, an ART Mapping module, and a centroid determination module. Monte Carlo simulation was integrated with the TSAM approach to address uncertainties that widely exist in site conditions. The applicability of the proposed model was validated by classifying a large coastal area, which was surrounded by potential oil spill sources, based on 12 features. Statistical analysis of the results indicated that the classification process was affected by multiple features instead of one single feature. The classification results also provided the least or desired number of zones which can sufficiently represent the levels of offshore OSVI in an area under uncertainty and complexity, saving time and budget in spill monitoring and response.

Pu Li; Bing Chen; Zelin Li; Xiao Zheng; Hongjing Wu; Liang Jing; Kenneth Lee

2014-01-01T23:59:59.000Z

451

Demand Response In California  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Energy Efficiency & Energy Efficiency & Demand Response Programs Dian M. Grueneich, Commissioner Dian M. Grueneich, Commissioner California Public Utilities Commission California Public Utilities Commission FUPWG 2006 Fall Meeting November 2, 2006 Commissioner Dian M. Grueneich November 2, 2006 1 Highest Priority Resource Energy Efficiency is California's highest priority resource to: Meet energy needs in a low cost manner Aggressively reduce GHG emissions November 2, 2006 2 Commissioner Dian M. Grueneich November 2, 2006 3 http://www.cpuc.ca.gov/PUBLISHED/REPORT/51604.htm Commissioner Dian M. Grueneich November 2, 2006 4 Energy Action Plan II Loading order continued "Pursue all cost-effective energy efficiency, first." Strong demand response and advanced metering

452

Development based climate change adaptation and mitigation-conceptual  

Open Energy Info (EERE)

Development based climate change adaptation and mitigation-conceptual Development based climate change adaptation and mitigation-conceptual issues and lessons learned in studies in developing countries Jump to: navigation, search Tool Summary Name: Development based climate change adaptation and mitigation-conceptual issues and lessons learned in studies in developing countries Agency/Company /Organization: Lawrence Berkeley National Laboratory (LBNL) Sector: Climate, Energy, Land, Water Topics: Adaptation, Co-benefits assessment, - Energy Access, - Energy Security, - Health Resource Type: Case studies/examples, Lessons learned/best practices, Publications Website: ies.lbl.gov/iespubs/2halsaes.pdf Country: India, China, South Africa, Brazil, Bangladesh, Senegal Cost: Free Southern Asia, Eastern Asia, Southern Africa, South America, Southern Asia, Western Africa

453

Adaptive Gaussian Predictive Process Approximation Surya T Tokdar  

E-Print Network (OSTI)

exploration of Gaussian process models, including Bayesian treatments. For theoreti- cal details on commonAdaptive Gaussian Predictive Process Approximation Surya T Tokdar Duke University Abstract We address the issue of knots selection for Gaussian predictive process methodology. Predictive process

West, Mike

454

Run-time optimization of adaptive irregular applications  

E-Print Network (OSTI)

adaptive irregular applications for parallel execution, a common observation is that the effectiveness of the optimizing transformations depends on programs' input data and their dynamic phases. This dissertation presents a set of run-time optimization...

Yu, Hao

2004-11-15T23:59:59.000Z

455

Dynamic Resource Management for Adaptive Distributed Information Fusion in  

E-Print Network (OSTI)

Dynamic Resource Management for Adaptive Distributed Information Fusion in Large Volume for distributed information fusion to address large volume surveil- lance challenges, assuming a multitude of different sensor types on multi- ple mobile platforms for intelligence, surveillance and reconnaissance. Our

Zhang, Richard "Hao"

456

Self-adaptive architectures for autonomic computational science  

Science Journals Connector (OSTI)

Self-adaptation enables a system to modify it's behaviour based on changes in its operating environment. Such a system must utilize monitoring information to determine how to respond either through a systems administrator or automatically (based on policies ...

Shantenu Jha; Manish Parashar; Omer Rana

2009-09-01T23:59:59.000Z

457

Co-adapting human collaborations and software architectures  

Science Journals Connector (OSTI)

Human collaboration has become an integral part of large-scale systems for massive online knowledge sharing, content distribution, and social networking. Maintenance of these complex systems, however, still relies on adaptation mechanisms that remain ...

Christoph Dorn; Richard N. Taylor

2012-06-01T23:59:59.000Z

458

Identifying Recent Adaptations in Large-Scale Genomic Data  

E-Print Network (OSTI)

Although several hundred regions of the human genome harbor signals of positive natural selection, few of the relevant adaptive traits and variants have been elucidated. Using full-genome sequence variation from the 1000 ...

Andersen, KristianG.

459

Adaptive load control of microgrids with non-dispatchable generation  

E-Print Network (OSTI)

Intelligent appliances have a great potential to provide energy storage and load shedding for power grids. Microgrids are simulated with high levels of wind energy penetration. Frequency-adaptive intelligent appliances are ...

Brokish, Kevin Martin

2009-01-01T23:59:59.000Z

460

Nonlinear adaptive control using radial basis function approximants  

E-Print Network (OSTI)

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. The Hamiltonian dynamical...

Petersen, Jerry Lee

1993-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Reduced rank regression via adaptive nuclear norm penalization  

Science Journals Connector (OSTI)

......of the 500 simulated datasets: 100 Pred( ^ CH...method often outperforms nuclear norm penalized regression...other methods. The nuclear norm penalized estimator...intensive for large datasets, while other methods...DISCUSSION Adaptive nuclear norm penalization can......

Kun Chen; Hongbo Dong; Kung-Sik Chan

2013-12-01T23:59:59.000Z

462

Error estimation and adaptive mesh refinement for aerodynamic flows  

E-Print Network (OSTI)

Error estimation and adaptive mesh refinement for aerodynamic flows Ralf Hartmann1 and Paul Houston2 1 Institute of Aerodynamics and Flow Technology DLR (German Aerospace Center) Lilienthalplatz 7

Hartmann, Ralf

463

Continuous Adaptive Bias Technique for Radiofrequency Power Amplifiers  

Science Journals Connector (OSTI)

Chapter 3 proposes an adaptive-bias power amplifier that is based on a finely tuned envelope injection principle. Such flexible technique makes a simultaneous improvement of linearity and efficiency possible a...

Laurent Leyssenne; Eric Kerherv; Yann Deval

2011-01-01T23:59:59.000Z

464

Designing adaptable housing : the specific case of INFONAVIT  

E-Print Network (OSTI)

The traditional way of designing housing of the Mexican government agencies, obliges the population they serve (mostly working class people), to live in rigid dwellings that have little or no flexibility to be adapted to ...

Martin, Andrea M

1981-01-01T23:59:59.000Z

465

The mesh adaptive direct search algorithm with treed Gaussian ...  

E-Print Network (OSTI)

May 24, 2013 ... Keywords: Blackbox optimization, treed Gaussian processes (TGP), mesh adaptive ...... We first consider a chemical engineering simulator for styrene production described ..... Application of MATLAB and Python optimizers.

Gramacy and Le Digabel

2013-05-24T23:59:59.000Z

466

CLIMATE CHANGE Businesses see opportunity in adaptation, report finds  

Science Journals Connector (OSTI)

Companies that are able to adapt to climate change will gain a competitive business advantage in the future, according to a new report prepared by the United Nations Global Compact, a corporate network committed to social and environmental goals, in ...

MARC REISCH

2011-06-27T23:59:59.000Z

467

Adaptive control of hypersonic vehicles in presence of actuation uncertainties  

E-Print Network (OSTI)

The thesis develops a new class of adaptive controllers that guarantee global stability in presence of actuation uncertainties. Actuation uncertainties culminate to linear plants with a partially known input matrix B. ...

Somanath, Amith

2010-01-01T23:59:59.000Z

468

Democratic Republic of Congo-National Adaptation Plan Global...  

Open Energy Info (EERE)

that the NAP could build on Vision 2035 and that the NAP-GSP could help identify political entry-points for long term adaptation planning through Vision 2015. DRC are keen for...

469

Output-based Adaptive Meshing Using Triangular Cut Cells  

E-Print Network (OSTI)

This report presents a mesh adaptation method for higher-order (p > 1) discontinuous Galerkin (DG) discretizations of the two-dimensional, compressible Navier-Stokes equations. The method uses a mesh of triangular elements ...

Fidkowski, Krzysztof J.

470

Grid adaptation for functional outputs of compressible flow simulations  

E-Print Network (OSTI)

An error correction and grid adaptive method is presented for improving the accuracy of functional outputs of compressible flow simulations. The procedure is based on an adjoint formulation in which the estimated error in ...

Venditti, David Anthony, 1973-

2002-01-01T23:59:59.000Z

471

Design of an adaptable, protective covering for precision experiments  

E-Print Network (OSTI)

The following work provides the necessary details to assemble an adaptable enclosure device to protect precision experiments from the influence of outside factors. Through the use of UV resistant, sound resistant, electric ...

Turner, Shannon (Shannon Elizabeth)

2006-01-01T23:59:59.000Z

472

Nonlinear Adaptive Control for Bioreactors with Unknown Kinetics  

E-Print Network (OSTI)

on a real life wastewater treatment plant. Key words: Nonlinear adaptive control, continuous bioprocesses, unknown kinetics, wastewater treatment. 1 Introduction Biological processes have become widely used a pollutant (wastewater treatment...). There- fore, bioreactors require advanced regulation procedures

Bernard, Olivier

473

Adaptive Agent-Based Service Composition for Wireless Terminals  

Science Journals Connector (OSTI)

Software agents are one of the building blocks of ambient intelligence and pervasive computing. Adaptation to changes in the execution context is necessary in order to provide continuous and smooth provision o...

Sasu Tarkoma; Mikko Laukkanen

2003-01-01T23:59:59.000Z

474

Adaptive properties of stochastic memristor networks: a computational study  

E-Print Network (OSTI)

., Berzina, T., Erokhin, V., Fontana, M.P. 2008. Polymeric electrochemical element for adaptive networks-scale configurations. Using this simulation platform we have shown that memristor networks stimulated with random noise

475

Active Optics, Adaptive Optics, and Laser Guide Stars  

Science Journals Connector (OSTI)

...Southern Observatory, Karl-Schwarzschild-Strasse 2, 85748 Garching...WITH A SEGMENTED ADAPTIVE MIRROR, APPLIED OPTICS 31 : 3161...Southern Observatory, Karl-Schwarzschild-Strasse 2, 85748 Garching...defo-cusing, decentering, or mirror deformations generated by...

N. Hubin; L. Noethe

1993-11-26T23:59:59.000Z

476

Functional safety of adaptive embedded control systems: new solutions  

Science Journals Connector (OSTI)

This paper deals with the functional safety of embedded control system following component-based technologies. The functional safety in a device of the interconnected control components is handled by an agent that controls and adapts the local behaviour ...

Atef Gharbi, Mohamed Khalgui

2014-09-01T23:59:59.000Z

477

ADAPTIVE MODELLING IN THE DESIGN OF INTERACTIVE DEVICES  

E-Print Network (OSTI)

of the device. But now consider the problem of adapting the design of a waterwheel to harness wind energy the scope of any process of tweaking the values of the variables characterising the waterwheel. The history

Prabhakar, Sattiraju

478

From reconfigurable architectures to self-adaptive autonomic systems  

E-Print Network (OSTI)

Systems on a chip (SoC) can draw various benefits such as adaptability and efficient acceleration of compute-intensive tasks from the inclusion of reconfigurable hardware as a system component. Dynamic reconfiguration ...

Santambrogio, Marco Domenico

479

Logarithmic transformation of response Logarithmic transformation of response  

E-Print Network (OSTI)

Logarithmic transformation of response Logarithmic transformation of response Often, support S of Y is S = (0, ). Logarithm is then one of transformations to consider when trying to obtain a correct (wrong. Model Building 1. Transformation of response #12;Logarithmic transformation of response When does

Komarek, Arnost

480

Adaptable Sensor Packaging for High Temperature Fossil Fuel Energy System  

NLE Websites -- All DOE Office Websites (Extended Search)

Adaptable Sensor Packaging for High Adaptable Sensor Packaging for High Temperature Fossil Fuel Energy Systems Background The Advanced Research Sensors and Controls Program is leading the effort to develop sensing and control technologies and methods to achieve automated and optimized intelligent power systems. The program is led by the U.S. Department of Energy (DOE) Office of Fossil Energy National Energy Technology Laboratory (NETL) and is implemented through research and development agreements with other

Note: This page contains sample records for the topic "radiation-induced adaptive responses" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

Segmentation of speech based on adaptive pitch prediction  

E-Print Network (OSTI)

SEGMENTATION OF SPEECH BASED ON ADAPTIVE PITCH PREDICTION A Thesis by JAN ERIK 8DEGARD Submitted to the 0%ce of Graduate Studies of Texas ARM University in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE August... 1990 Major Subject: Electrical Engineering SEGMENTATION OF SPEECH BASED OiN ADAPTIVE PITCH PREDICTION A Thesis by JAN ERII( 8DEGARD Approved as to style and content, by: Shiping Li (Chair of Committee) D. R. Halverson J. H. Painter (Ivlernber...

dega?rd, Jan Erik

2012-06-07T23:59:59.000Z

482

Adaptation spatio-temporelle et hypermedia de documents multimedia  

E-Print Network (OSTI)

Adaptation spatio-temporelle et hyperm´edia de documents multim´edia S´ebastien Laborie, J S´ebastien Laborie, J´er^ome Euzenat et Nabil Laya¨ida Adaptation spatio-temporelle et hyperm´edia #12;Introduction Probl´ematique Un document multim´edia Constitu´e d'objets multim´edia Texte Image

Joseph Fourier Grenoble-I, Université

483

Response Protocol Distressed Students  

E-Print Network (OSTI)

Response Protocol Distressed Students REFERRAL IDENTIFIERS: Student distress may manifest, the Distressed Student Protocol will assist you in responding to the student and providing appropriate referrals not know which office to contact.The coordinators will consult about a student, provide referrals to campus

California at Santa Barbara, University of

484

General Responsibilities and Requirements  

Directives, Delegations, and Requirements

The material presented in this guide provides suggestions and acceptable ways of implementing DOE M 435.1-1 and should not be viewed as additional or mandatory requirements. The objective of the guide is to ensure that responsible individuals understand what is necessary and acceptable for implementing the requirements of DOE M 435.1-1.

1999-07-09T23:59:59.000Z

485

The Responsibilities of Engineers  

E-Print Network (OSTI)

in the discipline of structural engineering. The circumstances surrounding the failure of the Sleipner A platform off the coast of Norway in 1991 will be discussed to demonstrate how the responsibilities of engineers can be derived from knowledge of the nature...

Smith, Justin Douglas 1978-

2012-12-06T23:59:59.000Z

486

Federal Response October 2008  

E-Print Network (OSTI)

specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does or responsibility for the accuracy, completeness, or usefulness of any infor- mation, apparatus, product, or process Field Office (JFO) · JFO transition to the Long-Term Recovery Office · Process for prioritization

487

Preparing Cities for Climate Change: An International Comparative Assessment of Urban Adaptation Planning. MIT-ICLEI Climate Adaptation Survey Instrument  

E-Print Network (OSTI)

The research objective of this project is to conduct an international comparative assessment of urban adaptation planning. Cities throughout the world are experiencing chronic problems and extreme events that are being ...

Carmin, JoAnn

2014-09-14T23:59:59.000Z

488

Operator-adapted finite element wavelets : theory and applications to a posteriori error estimation and adaptive computational modeling  

E-Print Network (OSTI)

We propose a simple and unified approach for a posteriori error estimation and adaptive mesh refinement in finite element analysis using multiresolution signal processing principles. Given a sequence of nested discretizations ...

Sudarshan, Raghunathan, 1978-

2005-01-01T23:59:59.000Z

489

ERCOT Demand Response Paul Wattles  

E-Print Network (OSTI)

ERCOT Demand Response Paul Wattles Senior Analyst, Market Design & Development, ERCOT Whitacre;Definitions of Demand Response · `The short-term adjustment of energy use by consumers in response to price to market or reliability conditions.' (NAESB) #12;Definitions of Demand Response · The common threads

Mohsenian-Rad, Hamed

490

E-Print Network 3.0 - adaptation psychology Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

psychology Search Powered by Explorit Topic List Advanced Search Sample search results for: adaptation psychology...

491

Could Tourism Carrying Capacity Be A Useful Tool For Adapting To Climate Change?  

E-Print Network (OSTI)

Could Tourism Carrying Capacity Be A Useful Tool For Adapting To Climate Change? Alexandre MAGNAN reflection on the potential role of the tourism carrying capacity approach (TCC) in the context of adaptation implementing ACC? Keywords: tourism carrying capacity, adaptation to climate change. 1. Introduction Adaptation

Boyer, Edmond

492

E-Print Network 3.0 - adaptive notch filters Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

filters Search Powered by Explorit Topic List Advanced Search Sample search results for: adaptive notch filters...

493

A Graph-based Approach to API Usage Adaptation Hoan Anh Nguyen,1a  

E-Print Network (OSTI)

A Graph-based Approach to API Usage Adaptation Hoan Anh Nguyen,1a Tung Thanh Nguyen,1b Gary Wilson the updated libraries. Existing API usage adaptation techniques support simple adaptation such as replacing the target of calls to a deprecated API, however, cannot handle complex adaptations such as creat- ing a new

Kim, Miryung

494

Adapting Dry Cask Storage for Aging at a Geologic Repository  

SciTech Connect

A Spent Nuclear Fuel (SNF) Aging System is a crucial part of operations at the proposed Yucca Mountain repository in the United States. Incoming commercial SNF that does not meet thermal limits for emplacement will be aged on outdoor pads. U.S. Department of Energy SNF will also be managed using the Aging System. Proposed site-specific designs for the Aging System are closely based upon designs for existing dry cask storage (DCS) systems. This paper evaluates the applicability of existing DCS systems for use in the SNF Aging System at Yucca Mountain. The most important difference between existing DCS facilities and the Yucca Mountain facility is the required capacity. Existing DCS facilities typically have less than 50 casks. The current design for the aging pad at Yucca Mountain calls for a capacity of over 2,000 casks (20,000 MTHM) [1]. This unprecedented number of casks poses some unique problems. The response of DCS systems to off-normal and accident conditions needs to be re-evaluated for multiple storage casks. Dose calculations become more complicated, since doses from multiple or very long arrays of casks can dramatically increase the total boundary dose. For occupational doses, the geometry of the cask arrays and the order of loading casks must be carefully considered in order to meet ALARA goals during cask retrieval. Due to the large area of the aging pad, skyshine must also be included when calculating public and worker doses. The expected length of aging will also necessitate some design adjustments. Under 10 CFR 72.236, DCS systems are initially certified for a period of 20 years [2]. Although the Yucca Mountain facility is not intended to be a storage facility under 10 CFR 72, the operational life of the SNF Aging System is 50 years [1]. Any cask system selected for use in aging will have to be qualified to this design lifetime. These considerations are examined, and a summary is provided of the adaptations that must be made in order to use DCS technologies successfully at a geologic repository.

C. Sanders; D. Kimball

2005-08-02T23:59:59.000Z

495

Robotic Laser-Adaptive-Optics Imaging of 715 Kepler Exoplanet Candidates using Robo-AO  

E-Print Network (OSTI)

The Robo-AO Kepler Planetary Candidate Survey is designed to observe every Kepler planet candidate host star with laser adaptive optics imaging to search for blended nearby stars, which may be physically associated companions and/or responsible for transit false positives. In this paper we present the results from the 2012 observing season, searching for stars close to 715 representative Kepler planet candidate hosts. We find 53 companions, 44 of which are new discoveries. We detail the Robo-AO survey data reduction methods including a method of using the large ensemble of target observations as mutual point-spread-function references, along with a new automated companion-detection algorithm designed for large adaptive optics surveys. Our survey is sensitive to objects from 0.15" to 2.5" separation, with contrast ratios up to delta-m~6. We measure an overall nearby-star-probability for Kepler planet candidates of 7.4% +/- 1.0%, and calculate the effects of each detected nearby star on the Kepler-measured plan...

Law, Nicholas M; Baranec, Christoph; Riddle, Reed; Ravichandran, Ganesh; Ziegler, Carl; Johnson, John Asher; Tendulkar, Shriharsh P; Bui, Khanh; Burse, Mahesh P; Das, H K; Dekany, Richard G; Kulkarni, Shrinivas; Punnadi, Sujit; Ramaprakash, A N

2013-01-01T23:59:59.000Z

496

An adaptive power system stabiliser based on fuzzy and swarm intelligence  

Science Journals Connector (OSTI)

Well-damped transient response of power systems signifies a vital control task. The paper presents a design methodology of an adaptive power system stabiliser (PSS) to achieve such task by targeting certain damping ratio and settling time. A standard simple-structure controller is used with the plant, which includes the synchronous generator and exciter, and the overall transfer function is derived in terms of the PSS parameters. A multi-objective optimisation function is formulated in order to force the damping ratio and settling time of the system to desired values. Particle swarm optimisation (PSO) is applied to independently obtain the PSS parameters which minimise such objective function at selected load points covering a wide range of operation. The data obtained from PSO represent the training data of an adaptive neuro-fuzzy inference system (ANFIS), which could give the PSS parameters at any load within a wide region of operating conditions. Testing of the proposed PSS shows that the desired performance indices could be fulfilled from light load to over load under both lagging and leading power factor conditions.

M.A. Awadallah; H.M. Soliman

2008-01-01T23:59:59.000Z

497

An environmental mapping methodology adapted to the needs of petroleum operators  

SciTech Connect

Environmental mapping programs were carried out in three countries of intensive petroleum activity, located in the Gulf of Guinea: Gabon, Nigeria and Congo. The aim was to produce maps of environmental sensitive variables (thematic maps), which are used by the petroleum operating companies for improving the management of the environment. The maps are particularly useful for oil spill response organization or environmental assistance in the development of infrastructures. Whilst carrying out these applications, a mapping methodology adapted to the petroleum industry was developed and tested. In the first section, this methodology is described and illustrated by the above mentioned applications. The specific locations are selected according to their ecological, socioeconomic or petroleum special interest. Remote sensing data are used as an initial source of information. Two types of thematic maps are produced the first one dedicated to the ecological components, and the second one to the infrastructures and the environmental sensitivity, assessed from the ecological and socio-economical components. These maps can be integrated into atlases with accompanying text, and in order to make them more operational, all the mapping data collected are integrated into a Geographical Information System (GIS). In the second section, we present the innovative aspects of these R&D works, which concern mainly the adaptation of remote sensing for the environmental expertise and the use of GIS for full data integration and easy updating.

Veyradier, L.; Coquelet, D.; Dutrieux, E.

1996-12-31T23:59:59.000Z

498

Critical behaviour in the elastic response of hydrogels  

E-Print Network (OSTI)

Highly responsive, or 'smart' materials are abundant in Nature; individual cells, for instance, can adapt their mechanical properties to the local surroundings through small changes in their internal structure. An effective method to enhance the responsiveness of synthetic materials is to operate near a critical point, where small variations lead to large changes in material properties. Recent theories have suggested that fibre/polymer networks can show critical behaviour near and below the point of marginal connectivity that separates rigid and floppy states [1-4]. To date, however, experimental evidence for criticality in such networks has been lacking. Here, we demonstrate critical behaviour in the stress response of synthetic hydrogels at low concentrations of order 0.1% volume fraction. We show, using computer simulations, that the observed response to stress can be understood by considering the influence of a zero-temperature critical point, i.e. the Maxwell isostatic point [5], together with the intrinsically nonlinear stretch response of semi-flexible polymer strands in the gel.

M. Dennison; M. Jaspers; P. H. J. Kouwer; C. Storm; A. E. Rowan; F. C. MacKintosh

2014-07-01T23:59:59.000Z

499

Response to Request  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Booz Allen Hamilton Response to Booz Allen Hamilton Response to Department of Energy Request for Information Implementing the National Broadband Plan by Studying the Communications Requirements of Electric Utilities to Inform the Federal Smart Grid Policy Department of Energy August 9, 2010 1 Booz Allen Hamilton Introduction Booz Allen Hamilton (Booz Allen) has had an enduring relationship with the Department of Energy (DOE) for more than two decades. We are pleased to be responding to the DOE's Request for Information (RFI), Implementing the National Broadband Plan by Studying the Communcations Requirements of Electric Utilities to Inform Federal Smart Grid Policy, with our perspectives on the use of broadband communications technology to meet emerging Smart Grid requirements. In its RFI,

500

Structural response synthesis  

SciTech Connect

The open loop control technique of predicting a conditioned input signal based on a specified output response for a second order system has been analyzed both analytically and numerically to gain a firm understanding of the method. Differences between this method of control and digital closed loop control using pole cancellation were investigated as a follow up to previous experimental work. Application of the technique to diamond turning using a fast tool is also discussed.

Ozisik, H.; Keltie, R.F.

1988-12-01T23:59:59.000Z