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Добірка наукової літератури з теми "Radiation surveillance"

Автор: Grafiati

Опубліковано: 30 травня 2022

Оновлено: 31 травня 2022

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Статті в журналах з теми "Radiation surveillance"

Hagan, Michael, Rishabh Kapoor, Jeff Michalski, Howard Sandler, Benjamin Movsas, Indrin Chetty, Brian Lally, et al. "VA-Radiation Oncology Quality Surveillance Program." International Journal of Radiation Oncology*Biology*Physics 106, no. 3 (March 2020): 639–47. http://dx.doi.org/10.1016/j.ijrobp.2019.08.064.

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Kaur, Amandeep, Sarika Sharma, and BR Mittal. "Radiation surveillance in and around cyclotron facility." Indian Journal of Nuclear Medicine 27, no. 4 (2012): 243. http://dx.doi.org/10.4103/0972-3919.115395.

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Pöllänen, Roy, Harri Toivonen, Kari Peräjärvi, Tero Karhunen, Tarja Ilander, Jukka Lehtinen, Kimmo Rintala, Tuure Katajainen, Jarkko Niemelä, and Marko Juusela. "Radiation surveillance using an unmanned aerial vehicle." Applied Radiation and Isotopes 67, no. 2 (February 2009): 340–44. http://dx.doi.org/10.1016/j.apradiso.2008.10.008.

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Pavel'ev, A. G., and A. I. Kucheryavenkov. "Two-position radio surveillance using cosmic radiation." Radiophysics and Quantum Electronics 29, no. 8 (August 1986): 665–70. http://dx.doi.org/10.1007/bf01039479.

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Hagan, M. P., J. M. Michalski, R. Kapoor, S. Mutic, W. C. Sleeman, D. Caruthers, W. R. Bosch, and J. R. Palta. "Establishing a Radiation Oncology Quality Surveillance Program." International Journal of Radiation Oncology*Biology*Physics 105, no. 1 (September 2019): E617. http://dx.doi.org/10.1016/j.ijrobp.2019.06.1147.

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Benito, G., J. C. Sáez, J. B. Blázquez, and J. Quiñones. "ADVANCED SURVEILLANCE OF ENVIROMENTAL RADIATION IN AUTOMATIC NETWORKS." Radiation Protection Dosimetry 179, no. 4 (December 11, 2017): 299–302. http://dx.doi.org/10.1093/rpd/ncx280.

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Brouwer, Yoeri, Alberto Vale, Duarte Macedo, Bruno Gonçalves, and Horácio Fernandes. "Radioactive Hot-spot Detection Using Unmanned Aerial Vehicle Surveillance." EPJ Web of Conferences 225 (2020): 06005. http://dx.doi.org/10.1051/epjconf/202022506005.

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This work proposes a solution to identify the number of sources of radiation, as well as their respective intensities and locations based on data acquired by Global Positioning System (GPS) receivers and affordable radiological sensors, such as Geiger-M¨uller counters (GMC). An optimization algorithm is required to minimize the estimation error in terms of location, intensity and number of sources of radiation given all the intensity measurements acquired in different locations, taking into account the sensors’ models, background radiation intensity values and noise. Experimental results were achieved in a laboratory with controlled sources of radiation. The solution was also tested with real data gathered by a GMC connected to a mobile phone with a software application developed by the authors to synchronize the sensor readings with GPS data. The sensor and the mobile phone are attached to a quadcopter flying over the scenario with sources of radiation.

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Kalender, G., Milan Lisy, U. A. Stock, A. Endisch, and A. Kornberger. "Identification of Factors Influencing Cumulative Long-Term Radiation Exposure in Patients Undergoing EVAR." International Journal of Vascular Medicine 2017 (2017): 1–10. http://dx.doi.org/10.1155/2017/9763075.

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Patients who undergo endovascular repair of aortic aneurysms (EVAR) require life-long surveillance because complications including, in particular, endoleaks, aneurysm rupture, and graft dislocation are diagnosed in a certain share of the patient population and may occur at any time after the original procedure. Radiation exposure in patients undergoing EVAR and post-EVAR surveillance has been investigated by previous authors. Arriving at realistic exposure data is essential because radiation doses resulting from CT were shown to be not irrelevant. Efforts directed at identification of factors impacting the level of radiation exposure in both the course of the EVAR procedure and post-EVAR endovascular interventions and CTAs are warranted as potentially modifiable factors may offer opportunities to reduce the radiation. In the light of the risks found to be associated with radiation exposure and considering the findings above, those involved in EVAR and post-EVAR surveillance should aim at optimal dose management.

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Glavič–Cindro, D., L. Benedik, J. Kožar Logar, B. Vodenik, and B. Zorko. "Detection of Fukushima plume within regular Slovenian environmental radioactivity surveillance." Applied Radiation and Isotopes 81 (November 2013): 374–78. http://dx.doi.org/10.1016/j.apradiso.2013.03.077.

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Shih, Ya-Chen T., Jim C. Hu, Chan Shen, and Scott E. Eggener. "Adoption of robot-assisted surgery and its impact on treatment patterns for newly diagnosed localized prostate cancer." Journal of Clinical Oncology 31, no. 15_suppl (May 20, 2013): 6513. http://dx.doi.org/10.1200/jco.2013.31.15_suppl.6513.

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6513 Background: With the rapid increase of robotic surgical systems in hospitals, it is important to understand the impact on treatment patterns for localized prostate cancer. The objective of this study is to determine whether the presence of robotic surgical systems independently influenced rates of surgery, radiation, and active surveillance for localized prostate cancer. Methods: We conducted an observational study using National Cancer Database (NCDB) state-level data, 2002-2010. Our study cohort includes patients newly diagnosed with clinical stage I-III prostate cancer from 48 states and Washington D.C. in the United States. The number of robotic systems installed in each state over time was obtained from publicly available information on-line. We characterized the state-level treatment pattern as the proportion of patients having surgery, radiation and active surveillance as their first course of treatment. Results: Between 2002 and 2010, the average number of robotic surgical systems per state increased from 2 to 26.3, while the unadjusted rate of surgery increased from 37.5% to 52.4%, radiation therapy decreased from 43.3% to 30.2%, and active surveillance increased from 7.0% to 9.3%. For every 10 additional robotic systems installed in a state, there would be a 2.5% increased rate of surgery (p<0.01), accompanied by a 1.3% (p=0.04) and 1.0% (p<0.01) decrease in the rate of radiation and active surveillance, respectively. Subgroup analyses suggest that the robotic adoption crowding out effect on radiation and active surveillance was driven primarily by men with stage I-II prostate cancer. If the adoption trajectory for robotic systems continues, the increased cost of treating localized prostate cancer in 2012 will be close to $27 million. Conclusions: During a period of rapid acquisition of robotic surgical systems, we found the number of robotic systems available at the state-level is significantly and directly associated with a higher rate of surgery for localized prostate cancer, and lower rates of radiation therapy and active surveillance.

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Більше джерел

Дисертації з теми "Radiation surveillance"

Jorge, Carlos Alexandre Fructuoso. "Received radiation dose assessment for nuclear plants personnel by video-based surveillance." Instituto de Engenharia Nuclear, 2015. http://carpedien.ien.gov.br:8080/handle/ien/1463.

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This work proposes the development of a system to evaluate received radiation dose for nuclear plants personnel. The system is conceived to operate in a complementary form to the existing approaches for radiological protection, thus o ering redundancy, what is desirable for critical plants operation. The proposed system must operate in an independent form on the actions to be performed by the operators under evaluation. Therefore, it was decided it would be based on methods used for video surveillance. The nuclear plant used as example is Argonauta Nuclear Research Reactor, belonging to Instituto de Engenharia Nuclear, Comiss~ao Nacional de Energia Nuclear (Nuclear Engineering Institute, National Nuclear Energy Commission). During this thesis research, both radiation dose rate distribution and video databases were obtained. Methods available in the literature, for targets detection and/or tracking, were evaluated for this database. From these results, a new system was proposed, with the purpose of meeting the requisites for this particular application. Given the tracked positions of each worker, the radiation dose received by each one during tasks execution is estimated, and may serve as part of a decision support system.

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Secondo, Raffaello. "Upgrades of the RadMON V6 and its Integration on a Nanosatellite for theAnalysis and the Comparative Study of the CHARM and Low Earth Orbit Environments." Thesis, Montpellier, 2017. http://www.theses.fr/2017MONTS063/document.

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Les champs radiatifs dans le complexe d’accélérateurs du CERN sont caractérisés par des particules mixtes avec un large spectre d’énergie. Le système de surveillance des radiations, le RadMon, a été développé pour la mesure distribuée, et en temps réel, des radiations et ses effets sur l’électronique installée dans les tunnels et les zones expérimentales. Pendant la première phase d’opération du RADMON, un problème critique a été identifié sur les mémoires SRAM utilisées comme capteurs de fluence des hadrons de hautes énergies. Un large nombre de MCU (Multiple Cell Upsets), générés par des microlatchups, ont commencé à apparaître sur les RADMONs, affectant ainsi la précision de mesure de la fluence. Une étude de la cause de cet effet a été réalisée et une solution utilisant un algorithme de détection et de correction en ligne, embarqué sur un FPGA, a été évaluée et mise en place sur les RADMONs installés dans les zones du SPS, PSB, NA62, HiRadMat, ALICE et CHARM.Par ailleurs, dans le cadre du projet CELESTA, une étude de faisabilité a été réalisée pour valider l’adaptation du RadMon à une charge utile pour des applications CubeSat de dimension 1U. Le travail de recherche a été soutenu par le service de transfert de connaissance du CERN en collaboration avec l’Université de Montpellier, le Centre Spatial Universitaire.Les tests expérimentaux ont été effectués dans le nouveau moyen de test CHARM. CHARM offre la possibilité de reproduire les champs radiatifs mixtes présents dans les installations du CERN ainsi que les basses orbites terrestres (LEO).Un module autonome de charge utile pour Cubesat a été développé et équipé avec des capteurs permettant de mesurer dose ionisante ainsi que la fluence des hadrons de haute énergie. Par ailleurs une expérience permettant de détecter des latchups a été ajoutée au module. Les résultats des tests ont permis la définition d’une nouvelle procédure pour la qualification des nano satellites au niveau des radiations sur le système. Ce travail de thèse détaille l’approche suivie pour le choix et la caractérisation des composants utilisés sur la charge utile.La charge utile de CELESTA est le premier projet du CERN sur le sujet de la science des "small satellites". Il représente la première étape d’un intérêt croissant de l’utilisation du moyen de test CHARM pour des missions en environnement spatial
Radiation fields in the CERN accelerator complex are characterized by mixed particles with broad energy ranges. A Radiation Monitoring System, called "RadMon", was developed for the distributed, on-line measurement of the complex radiation fields and their effect on the electronics installed in areas with a harsh radiation environment. The most recent version of the RadMon revealed a critical issue soon after deployment in the tunnel and the experimental areas. Multiple Cell Upsets (MCUs) arising from microlatchup events started showing up on the SRAM-based particle flux sensors equipped by the system, ultimately affecting the measurement and resulting in corrupted data and accuracy losses. A study of the generation of this effect was performed, and a solution using an on-line detection and correction algorithm embedded on an FPGA, was evaluated and implemented on the RadMon device.Furthermore, in the framework of the project CELESTA, a feasibility study was carried out to validate the adaptation of the RadMon to a 1U CubeSat payload. The research was supported by the CERN Knowledge Transfer as a collaboration between the University of Montpellier, the Centre Spatial Universitaire and CERN. Experimental tests were performed at the new CHARM facility, which allows the characterization of small components, as well as large systems, in a mixed-field representative of the Low Earth Orbit.A stand-alone payload module for 1U CubeSats was developed and equipped withsensors of ionizing dose and high energy hadron fluence. In addition a Latchup Experiment was added on the module as part of the scientific goals of the mission. Results of experimental tests led to the definition of a new procedure for the radiation qualification of small satellites at system level. Details of the characterization and the choice of components are presented together with the approach followed.The payload is the first small satellite module ever designed at CERN. It representsthe first step of an increasing interest towards radiation qualification at CHARM of electronics for low orbit space missions

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SPINDLER, CHRISTIANE. "Evolution de la legislation francaise relative a la surveillance medicale des personnes professionnellement exposees aux radiations ionisantes." Besançon, 1991. http://www.theses.fr/1991BESA3061.

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Cherniavskiy, I. Y., and V. A. Vinnikov. "The assessment of radiation hazardous areas considering the spectral analysis of the neutron component." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2019. http://repository.kpi.kharkov.ua/handle/KhPI-Press/45079.

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SILVA, AMANDA J. da. "Avaliação da dose ocupacional oriunda de procedimentos especiais guiados por fluoroscopia: cateterismo cardíaco." reponame:Repositório Institucional do IPEN, 2011. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10063.

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Dissertação (Mestrado)
IPEN/D
Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP

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Navarro, Marcus Vinícius Teixeira. "Conceito e controle de riscos à saúde em radiodiagnóstico: uma abordagem de vigilância sanitária." Programa de pós-graduação em Saúde Coletiva, 2007. http://www.repositorio.ufba.br/ri/handle/ri/10399.

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Este estudo analisa o controle de riscos em radiodiagnóstico e seus condicionantes, considerando o marco regulatório vigente e identificando os diversos atores implicados nesta prática. O radiodiagnóstico é uma das principais ferramentas de diagnose da medicina moderna, sendo de fundamental importância para a detecção e acompanhamento de diversos agravos à saúde. Seu papel na saúde pública dependerá do controle e da qualidade dos exames e processos envolvidos, podendo representar um indispensável apoio diagnóstico ou um grave problema devido a informações diagnósticas incorretas ou incompletas, as exposições de pacientes, de trabalhadores e de indivíduos do público. Considerando que a vigilância sanitária, entendida como um campo de conhecimento científico e de práticas organizadas, visando à proteção da saúde, ainda está em processo de consolidação, além da descrição situacional, foram realizadas contribuições teóricas e metodológicas relacionadas ao conceito, controle e operacionalização da avaliação de riscos sanitários. Neste sentido, este trabalho propõe a utilização do conceito de risco potencial, com base no qual foi desenvolvido um modelo matemático para avaliação de risco potencial, utilizando os indicadores de controle de riscos estabelecidos no marco regulatório do radiodiagnóstico. Foram avaliados 94 procedimentos (7 de fluoroscopia, 14 de mamografia, 60 de radiografia convencional e 13 de tomografia) de 38 serviços de radiodiagnóstico no Estado da Bahia, analisando-se os condicionantes da situação encontrada. O estudo mostrou que dos 94 procedimentos avaliados, 30 (32%) (12 de radiografia, 4 de fluoroscopia, 6 de mamografia e 8 de tomografia) tinham nível de risco potencial aceitável; 18 (19%) (11 de radiografia, 1 de fluoroscopia, 3 de mamografia e 3 de tomografia) tinham nível de risco potencial tolerável e 46 (49%) (37 de radiografia, 2 de fluoroscopia, 5 de mamografia e 2 de tomografia) tinham nível de risco potencial inaceitável. Com relação aos serviços, apenas 2 unidades (5,3%) (uma pública e uma privada) estavam com todos os procedimentos em nível de risco potencial aceitável. 9 (23,7%) serviços (5 público e 1 privado) estavam com, pelo menos, um procedimento com nível de risco potencial tolerável e 27 (71%) serviços (7 público e 20 privado) possuíam, pelo menos, um procedimento com nível de risco potencial inaceitável. As análises dos indicadores de controle de riscos mostraram que os principais condicionantes da situação encontrada dizem respeito à ausência dos fundamentos de proteção radiológica e qualidade da imagem nas diretrizes curriculares da formação dos médicos e médicos especialistas; produção e comercialização de equipamentos e produtos para radiodiagnóstico sem registro na ANVISA; incapacidade da vigilância sanitária fiscalizar, anualmente, todos os serviços e ausência completa da atuação dos conselhos profissionais no acompanhamento e controle das práticas de seus profissionais. Assim, a utilização do conceito de risco potencial e de um modelo para sua operacionalização possibilitou avançar no sentido de melhor entender as especificidades e as possibilidades de ação do Sistema Nacional de Vigilância Sanitária, como autoridade reguladora no controle de riscos em radiodiagnóstico, bem como dos diversos atores que atuam nesta área.
Salvador

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Flaspoehler, Timothy Michael. "FW-CADIS variance reduction in MAVRIC shielding analysis of the VHTR." Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/45743.

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In the following work, the MAVRIC sequence of the Scale6.1 code package was tested for its efficacy in calculating a wide range of shielding parameters with respect to HTGRs. One of the NGNP designs that has gained large support internationally is the VHTR. The development of the Scale6.1 code package at ORNL has been primarily directed towards supporting the current United States' reactor fleet of LWR technology. Since plans have been made to build a prototype VHTR, it is important to verify that the MAVRIC sequence can adequately meet the simulation needs of a different reactor technology. This was accomplished by creating a detailed model of the VHTR power plant; identifying important, relevant radiation indicators; and implementing methods using MAVRIC to simulate those indicators in the VHTR model. The graphite moderator used in the design shapes a different flux spectrum than water-moderated reactors. The different flux spectrum could lead to new considerations when quantifying shielding characteristics and possibly a different gamma-ray spectrum escaping the core and surrounding components. One key portion of this study was obtaining personnel dose rates in accessible areas within the power plant from both neutron and gamma sources. Additionally, building from professional and regulatory standards a surveillance capsule monitoring program was designed to mimic those used in the nuclear industry. The high temperatures were designed to supply heat for industrial purposes and not just for power production. Since tritium, a heavier radioactive isotope of hydrogen, is produced in the reactor it is important to know the distribution of tritium production and the subsequent diffusion from the core to secondary systems to prevent contamination outside of the nuclear island. Accurately modeling indicators using MAVRIC is the main goal. However, it is almost equally as important for simulations to be carried out in a timely manner. MAVRIC uses the discrete ordinates method to solve the fixed-source transport equation for both neutron and gamma rays on a crude geometric representation of the detailed model. This deterministic forward solution is used to solve an adjoint equation with the adjoint source specified by the user. The adjoint solution is then used to create an importance map that can weight particles in a stochastic Monte Carlo simulation. The goal of using this hybrid methodology is to provide complete accuracy with high precision while decreasing overall simulation times by orders of magnitude. The MAVRIC sequence provides a platform to quickly alter inputs so that vastly different shielding studies can be simulated using one model with minimal effort by the user. Each separate shielding study required unique strategies while looking at different regions in the VHTR plant. MAVRIC proved to be effective for each case.

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Lyon, Richard Harry 1981. "Geosynchronous orbit determination using space surveillance network observations and improved radiative force modeling." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/17779.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2004.
Includes bibliographical references (p. 369-375).
Correct modeling of the space environment, including radiative forces, is an important aspect of space situational awareness for geostationary (GEO) spacecraft. Solar radiation pressure has traditionally been modeled using a rotationally-invariant sphere with uniform optical properties. This study is intended to improve orbit determination accuracy for 3-axis stabilized GEO spacecraft via an improved radiative force model. The macro-model approach, developed earlier at NASA GSFC for the Tracking and Data Relay Satellites (TDRSS), models the spacecraft area and reflectivity properties using an assembly of flat plates to represent the spacecraft components. This 'box-wing' approach has been adapted for the UNIX version of the Goddard Trajectory Determination System (GTDS) at the MIT/Lincoln Laboratory. This thesis presents background and mathematical development of the macro-model approach. This thesis also describes software development and testing, including incorporation of a one-panel spacecraft model along with the full macro-model. A model for Earth albedo and Earth infrared radiation and related software development is also described. Additionally, this thesis gives details about the TDRSS macro-model, and explains the development of a macro-model for the NASA Geosynchronous Operational Environmental Satellites (GOES) I-M spacecraft. Results of simulated data testing using the improved radiative force models are presented. The real data testing detailed in this thesis is an investigation into improving GEO orbit determination using the new force models along with observation data from the Space Surveillance Network (SSN). For the TDRSS spacecraft, HANDS optical observations are used in conjunction with the SSN data.
(cont.) NOAA ranging observations are included in some of the tests for the GOES-10 spacecraft. The space-based visible (SBV) observation model has also been incorporated into GTDS, and SBV observations are included in the orbit determination testing. The tests combine the various types of observation data, and implement various observations corrections and biases. The results of this thesis give a better understanding of the process of determining precise orbits for GEO spacecraft with the box-wing model and SSN observations.
by Richard Harry Lyon.
S.M.

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Tesnière, Antoine. "Immunogénicité de la mort cellulaire tumorale induite par la chimio/radiothérapie : implication en thérapeutique humaine." Paris 11, 2009. http://www.theses.fr/2009PA11T110.

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Jankowiak, Isabelle. "Surveillance des aérosols désertiques à partir de l'imagerie METEOSAT et estimation de leur impact radiatif." Lille 1, 1992. http://www.theses.fr/1992LIL10029.

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La composante en aérosols de l'atmosphère est actuellement mal estimée bien qu'elle soit reconnue comme importante dans les processus climatiques et dans les cycles biogéochimiques. Etant très variable dans le temps et dans l'espace, elle nécessite une surveillance à l'échelle globale qu'il est difficile d'obtenir à partir de mesures de surface. Par contre, le satellite est un outil très bien adapté à ce genre de problèmes à condition de pouvoir relier quantitativement le signal satellitaire au contenu en aérosols présent dans l'atmosphère. Ce travail est consacré à l'étude d'un type d'aérosols particulier, les aérosols d'origine désertique résultant de l'érosion éolienne dans les régions arides et semi-arides. Nous utilisons le satellite géostationnaire METEOSAT situé à 0° de longitude et donc particulièrement bien positionné pour ce type d'étude. Dans un premier temps, nous développons une méthode adaptée à la télédétection des aérosols au-dessus de l'océan et établissons un début de climatologie de ces événements au-dessus de l'Atlantique Nord, de 1983 à 1988. Nous calculons ensuite l'impact radiatif des poussières à partir d'un code de transfert radiatif développé au laboratoire. Nous démontrons que pour une année très riche en événements, les aérosols peuvent diminuer de 11%, en moyenne mensuelle, le flux solaire arrivant à la surface de l'océan. Au-dessus des terres, la télédétection des aérosols est beaucoup plus complexe, car la surface, très réfléchissante, contribue plus au signal satellitaire que la composante atmosphérique que nous cherchons à mesurer. Dans la dernière partie, nous étudions la faisabilité d'une méthode utilisant des fonctions de structure qui permettent de relier la dégradation de contraste à la quantité de poussières présente dans l'atmosphère

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Книги з теми "Radiation surveillance"

Canada. Atomic Energy Control Board. Group of Medical Advisers. Revised guidelines for the medical surveillance of radiation workers. Ottawa, Ont: Atomic Energy Control Board of Canada, 1993.

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Fong, S. W. Report on environmental radiation surveillance in North Carolina, 1986-1988. [Raleigh, N.C.] (P.O. Box 27687, Raleigh): Dept. of Environment, Health, and Natural Resources, Division of Radiation Protection, Nuclear Facilities & Environmental Radiation Surveillance Section, 1989.

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Gray, Donald H. EEG operational radiation surveillance of the WIPP project during 2001. Albuquerque, N.M. (7007 Wyoming Blvd. NE, Suite F-2, Albuquerque, 87109): Environmental Evaluation Group, 2002.

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Kenney, Jim W. Preoperational radiation surveillance of the WIPP project by EEG during 1992. Carlsbad, N.M. (P.O. Box 3149, Carlsbad 88221): Environmental Evaluation Group, 1994.

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Gray, Donald H. Operational radiation surveillance of the WIPP Project by EEG during 1999. Carlsbad, N.M. (505 North Main St., P.O. Box 3149, Carlsbad, N.M. 88221-3149): Environmental Evaluation Group, 2000.

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Kenney, Jim W. Preoperational radiation surveillance of the WIPP project by EEG during 1991. Carlsbad, N.M. (P.O. Box 3149, Carlsbad 88221): Environmental Evaluation Group, 1992.

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Remec, I. Neutron spectra at different high flux isotope reactor (HFIR) pressure vessel surveillance locations. Washington, DC: Division of Safety Issue Resolution, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1993.

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Office, General Accounting. Health and safety: DOE's implementation of a comprehensive health surveillance program is slow : report to the Chairman, Committee on Governmental Affairs, U.S. Senate. Washington, D.C: U.S. General Accounting Office, 1993.

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Office, General Accounting. Electronic warfare: Need to strengthen controls over Air Force jammer programs : report to the chairman, Committee on Armed Services, House of Representatives. Washington, D.C: The Office, 1990.

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Частини книг з теми "Radiation surveillance"

Heward, Sue, David Urban, and Ray McKenzie. "Preventive Surveillance Programs." In Non-ionizing Radiation Protection, 456–78. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119284673.ch29.

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Herran, Néstor. "“Unscare” and Conceal: The United Nations Scientific Committee on the Effects of Atomic Radiation and the Origin of International Radiation Monitoring." In The Surveillance Imperative, 69–84. New York: Palgrave Macmillan US, 2014. http://dx.doi.org/10.1057/9781137438744_4.

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Abrahamsson, Per-Anders. "Prostate Cancer and Active Surveillance." In Frontiers of Radiation Therapy and Oncology, 1–6. Basel: KARGER, 2008. http://dx.doi.org/10.1159/000139867.

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Hall, J. Brian, William L. Server, Timothy Hardin, and Brian N. Burgos. "PWR Supplemental Surveillance Program." In Effects of Radiation on Nuclear Materials: 26th Volume, 20–29. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 2014. http://dx.doi.org/10.1520/stp157220130110.

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Wu, Yingzhi, and Guan-Qun Zhou. "Management of Radiation-Induced Late Complications and Evidence-Based Surveillance for Nasopharyngeal Carcinoma." In Practical Guides in Radiation Oncology, 155–73. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-65037-7_11.

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Luzginova, N. V., H. Nolles, F. van den Berg, P. van den Idsert, and B. van der Schaaf. "Surveillance Program Results for the High Flux Reactor Vessel Material." In Effects of Radiation on Nuclear Materials: 26th Volume, 30–41. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 2014. http://dx.doi.org/10.1520/stp157220130095.

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Benhamou, Claude, François Roch, Ménélaos Vaindirlis, Patrick Todeschini, Henriette Churier-Bossennec, and Marielle Akamatsu. "Spectrum Effect Mitigation and Monitoring of the EPR Irradiation Surveillance Program." In Effects of Radiation on Nuclear Materials: 26th Volume, 3–19. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 2014. http://dx.doi.org/10.1520/stp157220130085.

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Lowe, Arthur L., Kenneth E. Moore, and John D. Aadland. "Integrated Reactor Vessel Material Surveillance Program for Babcock & Wilcox 177-FA Plants." In Effects of Radiation on Materials: 12th International Symposium Volume II, 931–50. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 1985. http://dx.doi.org/10.1520/stp87019850024.

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Reichrath, Jörg. "Solar Ultraviolet Radiation, Vitamin D and Skin Cancer Surveillance in Organ Transplant Recipients (OTRS)." In Sunlight, Vitamin D and Skin Cancer, 253–71. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4939-0437-2_14.

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Khan, A. H., and V. D. Puranik. "Radiation Protection and Environmental Safety Surveillance in Uranium Mining and Ore Processing in India." In The New Uranium Mining Boom, 39–49. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-22122-4_5.

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Тези доповідей конференцій з теми "Radiation surveillance"

Al-Shabi, M., A. Elshoubaky, B. Khuwaileh, W. Metwally, J. Rihani, and A. Riyadha. "A Drone-Based Automated Radiation Surveillance System." In Transactions - 2020 Virtual Conference. AMNS, 2020. http://dx.doi.org/10.13182/t122-32575.

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Wilson, Jeffrey D. "Dependence of aeromacs interference on airport radiation pattern characteristics." In 2012 Integrated Communications, Navigation and Surveillance Conference (ICNS). IEEE, 2012. http://dx.doi.org/10.1109/icnsurv.2012.6218381.

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Fernandez, Alberto, Elena Turco, Carlos Figueiredo, Dirk Tilsner, and Marco Forin. "Reward project: Real time wide area radiation surveillance system." In 2014 9th Iberian Conference on Information Systems and Technologies (CISTI). IEEE, 2014. http://dx.doi.org/10.1109/cisti.2014.6876872.

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Akmalov, Artem, Evgenii Aksenov, Gennadii E. Kotkovskii, Konstantin Kozlovskii, Evgenii Maximov, Andrei Plekhanov, and Alexander A. Chistyakov. "Spectral identification of traces of explosives in reflected THz radiation." In Counterterrorism, Crime Fighting, Forensics, and Surveillance Technologies III, edited by Henri Bouma, Robert J. Stokes, Yitzhak Yitzhaky, and Radhakrishna Prabhu. SPIE, 2019. http://dx.doi.org/10.1117/12.2532325.

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Soneda, Naoki, Colin English, and William Server. "Use of an Offset in Assessing Radiation Embrittlement Data and Predictive Methods." In ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/pvp2006-icpvt-11-93369.

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Analyses of reactor pressure vessel (RPV) surveillance data from Charpy V-notch shift results coupled with our latest knowledge of the mechanisms of radiation embrittlement have led to new predictive correlations/models that have a strong technical underpinning. In this paper we examine how well the new CRIEPI embrittlement predicts US RPV surveillance data. Secondly, we note that within the US surveillance data sets there are indications that the data may follow the same form as the predictive models, but the data may be offset by a constant amount (either positive or negative) from the predictive values. This offset can be attributed in some cases to inadequate baseline data. In other cases, there does not appear to be a constant offset, or such an offset is hidden by data scatter. This paper also reviews the potential use of an offset adjustment and focuses on several surveillance datasets for comparisons.

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Carter, Robert G., Timothy J. Griesbach, and Timothy C. Hardin. "The BWRVIP Integrated Surveillance Program." In ASME/JSME 2004 Pressure Vessels and Piping Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/pvp2004-3051.

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Boiling Water Reactor (BWR) plants in the U.S. are designed with radiation surveillance programs. However, the surveillance materials in some plants do not necessarily represent the limiting plate and/or weld material of the reactor pressure vessel (RPV). Also, some plants do not have baseline data for the surveillance materials, which is needed to measure irradiation shift. In 1998 the BWR Vessel and Internals Project (BWRVIP) conceived the BWR Integrated Surveillance Program (ISP) to address these concerns. The ISP surveyed all BWR vessel limiting materials and all available BWR surveillance materials (including materials from a 1990s supplementary research program called the Supplemental Surveillance Program, or SSP). For each vessel limiting weld and limiting plate, a best representative surveillance material was assigned, based on heat number, similar chemistries, common fabricator, and the availability of unirradiated data. Many of the selected surveillance materials are good representatives for the limiting materials of multiple plants, so fewer capsules are required to be tested, reducing the overall cost of surveillance while also improving BWR fleet compliance with 10CFR50 Appendix H.

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Hall, Brian, William Server, Ben Rosier, and Tim Hardin. "Comparison of Radiation Embrittlement Prediction Models to High Fluence U.S. Power Reactor Surveillance Data." In ASME 2013 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/pvp2013-97039.

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Uncertainty regarding radiation embrittlement at high fluence, indicative of extended operating life beyond 60 years for current operating pressurized water reactor (PWR) vessels, has been identified as a potential limiting degradation mechanism. There are limited U.S. power reactor surveillance data at fluences greater than about 4E19 n/cm2 (E > 1 MeV) currently available for comparison with existing embrittlement prediction models. Extended operating life to 80 years is projected to have vessel peak fluence approaching 1E20 n/cm2, for a small number of plants. The two current U.S. embrittlement models are contained in Nuclear Regulatory Commission (NRC) Regulatory Guide 1.99, Revision 2, and the Code of Federal Regulations, 10 CFR 50.61a. This paper compares the latest available high fluence power reactor surveillance data to the predictions of these two models, and to another model that has been proposed as better for high fluence data based on combined test reactor and power reactor data from sources extending beyond the U.S. These comparisons indicate the fluence ranges and material groups where the different models deviate from the measured data. The results from these comparisons have been used to select materials for a proposed new PWR supplemental surveillance program (PSSP) that utilizes previously tested irradiated surveillance specimens reconstituted and subsequently re-irradiated to higher fluences.

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"The REWARD project: Real Time Wide Area Radiation Surveillance with semiconductor detectors." In 2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC). IEEE, 2013. http://dx.doi.org/10.1109/nssmic.2013.6829630.

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Gillemot, Ferenc, Márta Horváth, Ákos Horváth, Ildikó Szenthe, and Attila Kovács. "Master Curve Testing on Reconstituted Surveillance Charpy Specimens." In ASME 2018 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/pvp2018-84749.

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The original WWER-440 surveillance had 6 sets of specimens and each set had 12 Charpy, 12 COD (crack opening displacement) and 6 tensile specimens made from base material, weldment and HAZ (heat affected zone). The Charpy size precrack TPB (three point bend) COD specimens were located at the end of the chains, where the flux is rapidly decreasing. During the period of 1970–90, when the WWER-440-V213 units were designed, built and started to operate, the Charpy impact transition curve measurement was the accepted method to evaluate the radiation embrittlement. The technology and the standards to use small size fracture mechanical specimens in surveillance capsules were not developed at the time period when most of the second generation reactors — including the WWER-440 V 213 type — were designed, therefore the fracture toughness specimens were considered less interesting for the utilities and the safety authorities. Fracture toughness curves were elaborated in the laboratories on large size unirradiated specimens and radiation embrittlement adjustments were made according to the Charpy shift. However, during the past 30 years fracture mechanics has rapidly developed, and the testing moved to the direction of using small and mini sized specimens. The development of the Master Curve evaluation method [4,5] allowed the use of small specimens for fracture toughness testing in surveillance programs, and the results obtained on irradiated specimens may be used directly in the lifetime evaluation. The purpose of this work was to develop a specimen production technology and testing procedure to measure these data using the remnants of irradiated surveillance Charpy specimens, and the comparison of the data calculated from CMOD and LLD on irradiated CrMoV type RPV material and weldment.

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Звіти організацій з теми "Radiation surveillance"

Antonio, E. J. External radiation surveillance. Office of Scientific and Technical Information (OSTI), June 1995. http://dx.doi.org/10.2172/433035.

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Curtis, Michael M. Radiation-Triggered Surveillance for UF6 Monitoring. Office of Scientific and Technical Information (OSTI), December 2015. http://dx.doi.org/10.2172/1253883.

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Dvorak, R. F. Radiation monitor for surveillance of moving vehicles. Office of Scientific and Technical Information (OSTI), September 1985. http://dx.doi.org/10.2172/6337910.

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Curtis, Michael M., and Mitchell J. Myjak. A Radiation-Triggered Surveillance System for UF6 Cylinder Monitoring. Office of Scientific and Technical Information (OSTI), September 2016. http://dx.doi.org/10.2172/1333453.

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Fray, Donald H., Sally C. Ballard, and James K. Channell. EEG operational radiation surveillance of the WIPP Project during 2001. Office of Scientific and Technical Information (OSTI), December 2002. http://dx.doi.org/10.2172/1184414.

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Kenney, J. W. Preoperational radiation surveillance of the WIPP project by EEG during 1992. Office of Scientific and Technical Information (OSTI), February 1994. http://dx.doi.org/10.2172/10129572.

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Kenney, J. W., D. H. Gray, and S. C. Ballard. Preoperational radiation surveillance of the WIPP Project by EEG for the years 1993 - 1995. Office of Scientific and Technical Information (OSTI), March 1998. http://dx.doi.org/10.2172/572712.

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Kenney, J., K. Shenk, J. Rodgers, and J. Chapman. Preoperational radiation surveillance of the WIPP (Waste Isolation Pilot Plant) Project by EEG, 1985--1988. Office of Scientific and Technical Information (OSTI), January 1990. http://dx.doi.org/10.2172/5162208.

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Joe M. Aldrich. FINAL REPORT FORMER RADIATION WORKER MEDICAL SURVEILLANCE PROGRAM AT ROCKY FLATS For Department of Energy Programs. Office of Scientific and Technical Information (OSTI), November 2004. http://dx.doi.org/10.2172/834351.

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Penson, David, and Daniel Barocas. Comparing the Effects of Surgery, Radiation Therapy, and Active Surveillance on Men with Localized Prostate Cancer -- The CEASAR Study. Patient-Centered Outcomes Research Institute® (PCORI), January 2020. http://dx.doi.org/10.25302/1.2020.ce.12114667.

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