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Teses / dissertações sobre o tema "Ionizing effects"

Autor: Grafiati

Publicado: 16 de novembro de 2024

Última modificação: 31 de julho de 2025

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1

Hasan, N. M. "Effects of ionizing radiation on biomolecules." Thesis, University of Salford, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234702.

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2

Barbary, O. M. "Effects of ionizing radiation on lipids." Thesis, University of Salford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.372135.

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3

Bagatin, Marta. "Effects of Ionizing Radiation in Flash Memories." Doctoral thesis, Università degli studi di Padova, 2010. http://hdl.handle.net/11577/3426925.

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Semiconductor memories operating at sea level are constantly bombarded by ionizing radiation. Alpha particles, emitted by the radioactive contaminants that are inevitably present in the package and solder materials, may reach the sensitive areas of the chips and generate bit upsets. Furthermore, a shower of neutrons caused by interactions of cosmic rays with the external atmospheric layers can be a serious threat for the correct operation of electronics in the terrestrial environment. Satellite and spacecraft electronics must work reliably in an environment that is much harsher, because the hu

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4

Travis, Neil. "Effects of ionizing radiation on diaphyseal cortical bone." Connect to this title online, 2007. http://etd.lib.clemson.edu/documents/1181666404/.

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5

Brucoli, Matteo. "Total ionizing dose monitoring for mixed field environments." Thesis, Montpellier, 2018. http://www.theses.fr/2018MONTS093/document.

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La mesure de la dose ionisante est aujourd'hui une tâche cruciale pour une large gamme d'applications fonctionnant dans des environnements de rayonnement sévères. Dans le contexte de l'amélioration de la luminosité du grand collisionneur de hadrons (LHC), la mesure des niveaux de rayonnement le long du complexe d'accélérateurs du CERN va devenir encore plus difficile. A cet effet, une connaissance plus détaillée du champ de rayonnement dans le tunnel de l'accélérateur et ses zones adjacentes devient nécessaire pour définir les exigences d'installation, de déplacement ou de blindage de l'électr

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6

Nguyen, Vinh. "Late Effects of Ionizing Radiation on Normal Microvascular Networks." View the abstract Download the full-text PDF version, 1999. http://etd.utmem.edu/ABSTRACTS/1999-001-nguyen-index.html.

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Thesis (M.S. )--University of Tennessee Health Science Center, 1999.<br>Title from title page screen (viewed on October 17, 2008). Research advisor: Mohammad F. Kiani. Document formatted into pages (xi, 67 p. : ill.). Vita. Abstract. Includes bibliographical references (p. 55-67).

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7

Gasperin, Alberto. "Advanced Non-Volatile Memories: Reliability and Ionizing Radiation Effects." Doctoral thesis, Università degli studi di Padova, 2008. http://hdl.handle.net/11577/3425599.

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Reliability study and investigation of ionizing radiation effects on advanced non-volatile memories. The memories addressed in this thesis are: nanocrystal memories, Phase Change Memories (PCM), and the Oxide-Nitride-Oxide stack. In the thesis there is also a brief description of the major interaction mechanisms between ionizing particles and electronic devices.

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8

MacPhail, Susan Helen. "Effect of intercellular contact on radiation-induced DNA damage." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/27986.

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Chinese hamster V79-171B cells grown for about 24 hours in suspension culture display increased resistance to cell killing by ionizing radiation compared with cells grown as monolayers, an observation originally termed the "contact effect". More recently, development of that resistance was shown to be accompanied by changes in the conformation of the DNA which reduce its denaturation rate in high salt/weak alkali. These changes in DNA conformation, mediated by the cellular micro-environment, appear to be responsible for the contact effect. The conditions necessary for the development of the e

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9

Staaf, Elina. "Cellular effects after exposure to mixed beams of ionizing radiation." Doctoral thesis, Stockholms universitet, Institutionen för genetik, mikrobiologi och toxikologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-80809.

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Mixed beams of ionizing radiation in our environment originate from space, the bedrock and our own houses. Radiotherapy patients treated with boron neutron capture therapy or with high energy photons are also exposed to mixed beams of gamma radiation and neutrons. Earlier investigations have reported additivity as well as synergism (a greater than additive response) when combining radiations of different linear energy transfer. However, the outcome seemed to be dependent on the experimental setup, especially the order of irradiation and the temperature at exposure. A unique facility allowing s

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10

MacQueen, Daniel Montgomery. "Total ionizing dose effects on Xilinx field-programmable gate arrays." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ59840.pdf.

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11

Meehan, Kathleen Anne. "Effects of exposure to continuous low doses of ionizing radiation." Thesis, Cape Technikon, 2001. http://hdl.handle.net/20.500.11838/1521.

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Thesis (DTech (Biomedical Technology))--Cape Technikon, 2001<br>Ionising radiation has the ability to induce, inter alia, DNA damage and is well established as a causative agent of carcinogenesis and mutagenesis. The effects of high doses of short duration have been well documented, whereas the effects of continuous exposure to low doses of ionising radiation have not, nor are they as clearly understood and current risk estimates are largely extrapolated from high-dose data of atomic bomb survivors. This study evaluated the clastogenic effects of low dose ionising radiation on a population o

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12

Cress, Cory D. "Effects of ionizing radiation on nanomaterials and III-V semiconductor devices /." Online version of thesis, 2008. http://hdl.handle.net/1850/6278.

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13

Wakeford, Carol Anne. "Ultrasound and ionizing radiation : a comparison of chemical effects and dosimetry." Thesis, University of Salford, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.238779.

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14

Lobo, Jennifer D. "Effects of ionizing radiation on normal and tumor-associated lymphatic vessels." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/41685.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Nuclear Science and Engineering, 2007.<br>"June 2007."<br>Includes bibliographical references (p. 37-43).<br>Lymphatic vessels play a crucial role in both the pathophysiology of tumors and in the spread cancer cells to lymph nodes. The effects of radiation on these vessels, however, are largely unknown. Here, we seek to describe the effects of ionizing radiation on normal and tumor-associated lymphatic vessels in vitro and in vivo. Clonogenic assays were employed to study the radiation dose response of lymphatic endothelial cells.

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15

Park, Young C. (Young Chul) 1960. "A Study of Some Biological Effects of Non-Ionizing Electromagnetic Radiation." Thesis, University of North Texas, 1996. https://digital.library.unt.edu/ark:/67531/metadc278105/.

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The experimental studies of this work were done using a microwave cavity spectrometer, Escherichia coli (E-coli) bacteria, and other peripheral equipment. The experiment consists of two steps. First, a general survey of frequencies from 8 GHz to 12 GHz was made. Second, a detailed experiment for specific frequencies selected from the first survey were further studied. Interesting frequency dependent results, such as unusually higher growing or killing rates of E-coli at some frequencies, were found. It is also concluded that some results are genetic, that is, the 2nd, and 3rd subcultures showe

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16

Silvestri, Marco. "AGEING AND IONIZING RADIATION SYNERGETIC EFFECTS IN DEEP-SUBMICRON CMOS TECHNOLOGIES." Doctoral thesis, Università degli studi di Padova, 2010. http://hdl.handle.net/11577/3422233.

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Sun’s radiation, coronal mass ejections, electromagnetic storms, galactic cosmic rays, the Van Allen radiation belts, or artificial radiation environments expose microelectronics circuits to serious conditions in space as well as on Earth. Nowadays, a lot of human activities rely on satellites orbiting around the Earth such as the GPS system, video and audio communications, surveillance systems, meteorological forecasts, military applications, etc., and they must operate reliably. Civil air traffic is extremely intense around the world and of course everybody wants to land safely each time t

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17

Bonaldo, Stefano. "Total Ionizing Dose Degradation Mechanisms in Nanometer-scale Microelectronic Technologies." Doctoral thesis, Università degli studi di Padova, 2019. http://hdl.handle.net/11577/3423297.

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Total ionizing radiation may affect the electrical response of the electronic systems, inducing a variation of their nominal electrical characteristics and degrading their performance. The study of the radiation effects in microelectronic devices is essential in the space, avionic, and ground level applications affected by artificial and/or natural radiation environments, where the reliability is one of the most important requirements. In this thesis work, I investigate the total ionizing dose (TID) degradation mechanisms in several modern nanometer-scale technology nodes. The analysis of the

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18

Ilnytskyy, Yaroslav, and University of Lethbridge Faculty of Arts and Science. "Non-targeted effects of ionizing radiation in vivo : epigenetic aspects / Yaroslav Ilinytskyy." Thesis, Lethbridge, Alta. : University of Lethbridge, Dept. of Biomolecular Sciences, [c2010], 2010. http://hdl.handle.net/10133/2630.

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The classical paradigm of radiation biology is based on the notion that ionizing particle has to traverse a nucleus of a living cell in order to damage genetic material either directly or via production of short living free radicals. After DNA damage is introduced it can be either safely repaired and the cell can continue divisions unaltered; or it can result in a failure to repair and cells death; or finally, upon misrepair, the cell would be carrying genetic alteration that could result in cancer or developmental abnormality. Therefore modern risk estimations are based on the notion that nuc

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19

Mann, John Clifford. "The effects of diet and ionizing radiation on azoxymethane induced colon carcinogenesis." Thesis, Texas A&M University, 2005. http://hdl.handle.net/1969.1/4250.

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The ability of ionizing radiation to enhance colon carcinogenesis and the role of diet in this process has not been documented. We hypothesized that radiation would enhance the formation of aberrant crypt foci, ACF, known precursor lesions to colon cancer, by suppressing apoptosis and upregulating proliferation in colonocytes. Diets contained a combination of fish oil or corn oil and either pectin or cellulose. We exposed 40 male Sprague-Dawley rats to 1 Gy ionizing radiation (1 GeV Fe) 10 d prior to injection with AOM. Colons were resected at the promotion stage of carcinogenesis (7 wk post i

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20

Fleetwood, Zachary E. "On the effects of total ionizing dose in silicon-germanium BiCMOS platforms." Thesis, Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/53108.

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The objective of the proposed research is to analyze the effects of total ionizing dose (TID) on highly scaled CMOS and Silicon-Germanium Heterojunction Bipolar Transistors (SiGE HBTs). TID damage is caused by a build-up of charge at sensitive Si-SiO₂ interfaces and may cause device or circuit failure. TID damage is due to an accumulation of radiation particle strikes seen in extreme environments, such as space.

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21

Boon, P. J. "ESR studies on the effects of ionizing radiation on DNA plus additives." Thesis, University of Leicester, 1985. http://hdl.handle.net/2381/34020.

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In this study the direct effect of ionising radiation on DNA plus additives has been studied using both ESR spectroscopy and plasmid DMA (for strand break analysis). The primary radicals were identified as the thymine radical-anion, T', and guanine radical-cation, G'*'. Under normal conditions these were formed in approximately equal yields as defined by careful computer simulations. Certain additives such as oxygen, nitroimidazoles, silver ions and the rest of the nuclear complement (i.e. RNA and histone proteins) , were added to study their effects on the relative yields of T" and G". In all

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22

Friedrich, Thomas [Verfasser]. "Biophysical modeling of effects of ionizing radiation and associated uncertainties / Thomas Friedrich." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2016. http://d-nb.info/1131802616/34.

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23

Chen, C.-Z. "A study of biophysical mechanisms of damage by ionizing radiation to mammalian cells in vitro." Thesis, University of St Andrews, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384573.

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24

Borel, Thomas. "Study of synergistic effects in integrated circuits subjected to ionizing and neutral radiation in space." Thesis, Montpellier, 2018. http://www.theses.fr/2018MONTS040/document.

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Tout composant envoyé dans l'espace est soumis à de nombreuses contraintes (radiations, température) qui peuvent conduire à une défaillance de l'ensemble du système. Dans un avenir proche, ces contraintes deviendront de plus en plus critiques à mesure que les agences spatiales développeront des missions visant d'autres planètes, telles que Jupiter, pour lesquelles la contrainte radiative est extrême. Dans ce travail, deux types d'effets dus aux radiations sont étudiés : les effets cumulatifs et les effets transitoires. L'un correspond à la dégradation induite par les radiations au cours du tem

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25

Jones, George Donal Dransfield. "The direct effects of ionizing radiation on DNA and its higher ordered structures." Thesis, University of Leicester, 1987. http://hdl.handle.net/2381/9691.

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This thesis investigates the effects of ionizing radiation on frozen aqueous solutions of DNA using e.s.r. spectroscopy and a plasmid (pBR322) strand break assay. To elucidate the mechanisms subsequent to primary ionic radical formation (G˙+ and T˙¯), additives that influence the radiolytic processes were included prior to irradiation. The presence of hydrogen peroxide (Chapter Three) switched the mechanism from direct damage to a pathway in part mediated through oxygen centred radicals (˙OH, HO˙2) and resulted in a modest increase in the number of strand breaks (i.e. radiosensitization). E.s.

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26

Davidson, Matthew Allen. "Irradiators for measuring the biological effects of low dose-rate ionizing radiation fields." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/76941.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Nuclear Science and Engineering, 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Biological response to ionizing radiation differs with radiation field. Particle type, energy spectrum, and dose-rate all affect biological response per unit dose. This thesis describes methods of spectral analysis, dosimetry, biological assays, and mathematical modeling for determining the relative biological response for low dose-rate fields. The spatial dimensions of optically stimulated luminescence dosimet

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27

Zimmerman, Amy L. "The Effects of Ionizing Radiation on Integrin-Mediated Adhesion of Breast Cancer Cells." Ohio University Honors Tutorial College / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1306255509.

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28

Griffoni, Alessio. "ESD and Ionizing Radiation Effects on Ultrathin Body SOI and Multiple Gate Technologies." Doctoral thesis, Università degli studi di Padova, 2010. http://hdl.handle.net/11577/3426924.

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This thesis addresses two main reliability challenges of advanced UltraThin Body (UTB) Silicon On Insulator (SOI) and FinFET CMOS technologies: ElectroStatic Discharge (ESD) and (space) ionizing radiations. First, both technologies have a limited available silicon volume to dissipate the ESD current. Therefore, a detailed ESD analysis on such devices is required. Secondly, these advanced technologies will be incorporated in future Commercial-Off-The-Shelf (COTS) components that may be used in space applications, which rennires the impact of ionizing radiation on such technologies. ESD analysi

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29

TEIXEIRA, CHRISTIAN A. H. M. "Efeito da radiação ionizante em diferentes tipos de farinhas utilizadas em tecnologia de panificação." reponame:Repositório Institucional do IPEN, 2011. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9960.

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SANTILLO, AMANDA G. "Efeitos da radiação ionizante na propriedades nutricionais das uvas de variedade benitaka e uvas passas escuras." reponame:Repositório Institucional do IPEN, 2011. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9962.

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COLOMBO, MARIA A. da S. "Estudo do efeito da radiacao ionizante sobre as propriedades mecanicas da poliamida 6,6." reponame:Repositório Institucional do IPEN, 2004. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11233.

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COSTA, TANIA A. da. "Efeitos da radiacao ionizante na crotamina do veneno de Crotalus durissus terrificus." reponame:Repositório Institucional do IPEN, 1988. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9884.

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33

Davis, Kenneth Ralph 1964. "Two-dimensional simulation of the effects of total dose ionizing radiation on power-MOSFET breakdown." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/277053.

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The effects of ionizing radiation on the breakdown-voltage degradation of power-MOSFET termination structures were examined through two-dimensional simulation. A wide variety of sensitivity to surface-charge density was found for various devices employing floating field rings and/or equipotential field plates. Termination structures that were both insensitive to surface charge and possessed a high breakdown voltage were identified. The results were compared with measurements made on selected structures. The principal ionizing radiation damaging mechanisms in MOS devices are discussed. Modifica

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34

Arab, Amina. "Reoxygenation of hypoxic coronary smooth muscle cells amplifies growth-retarding effects of ionizing irradiation." [S.l.] : [s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=975997874.

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Hunter, Alistair John. "The effects of the modification of energy metabolism on cellular response to ionizing radiation." Doctoral thesis, University of Cape Town, 1997. http://hdl.handle.net/11427/26981.

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It is generally accepted that energy is required for repair of radiation-induced damage in living cells. Some of this energy is probably provided by adenosine triphosphate (ATP), which is derived from energy substrates via energy metabolism. This dissertation follows two general avenues. The first explores the effect of radiation on ATP levels after irradiation of cells. The second investigates the effect of inhibitors of certain pathways associated with energy metabolism on radiation response. It was proposed that ATP levels might be raised after irradiation in some systems and that this rise

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36

Mikkola, Esko Olavi. "Hierarchical Simulation Method for Total Ionizing Dose Radiation Effects on CMOS Mixed-Signal Circuits." Diss., The University of Arizona, 2008. http://hdl.handle.net/10150/194066.

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Total ionizing dose (TID) radiation effects modeling and simulation on digital, analog and mixed signal systems remains a significant bottle neck in the development of radiation-hardened electronics. Unverified modeling techniques and the very high computational cost with today's commercial simulation tools are among the primary hindrances to the timely hardened IC design, particularly to the design in commercially available processes. SPICE-based methods have been used for total dose radiation degradation simulations. While SPICE is effective in predicting the circuit behavior under circumsta

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37

Kosier, Steven Louie 1966. "The effects of ionizing radiation on the breakdown voltage of p-channel power MOSFETs." Thesis, The University of Arizona, 1990. http://hdl.handle.net/10150/277798.

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The effects of ionizing radiation on the breakdown voltage of p-channel power MOSFETs were examined through two-dimensional simulation. The response of a reverse-biased n+-p junction to positive oxide-trapped charge, Not, is examined in detail, and analytical expressions for its characteristics are derived. These results provide insight into the breakdown performance of p-channel power MOSFETs in ionizing radiation environments, whose performance was found to be very different from corresponding n-channel power MOSFETs. Insights gained through analysis of p-channel devices suggest a terminatio

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ALFARO, EDUARDO de F. "Estudos da utilizacao da cinza de casca de arroz como carga em matriz de polipropileno e do efeito da radiacao ionizante sobre este composito." reponame:Repositório Institucional do IPEN, 2010. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9580.

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GALLETTA, VIVIAN C. "Desenvolvimento de modelo de indução de mucosite oral por radiação em hamsters. Prevenção e tratamento por laser de baixa potência." reponame:Repositório Institucional do IPEN, 2006. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11646.

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40

Weiss, Helen Anne. "Cancer epidemiology : with special reference to the long-term effects of exposure to ionizing radiation." Thesis, University of Oxford, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239233.

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Kung, Jason. "Effects of ionizing radiation on osseous healing in SAMR1 and SAMP6 mice: a histiological study." Thesis, Boston University, 2012. https://hdl.handle.net/2144/12460.

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Thesis (M.A.)--Boston University PLEASE NOTE: Boston University Libraries did not receive an Authorization To Manage form for this thesis or dissertation. It is therefore not openly accessible, though it may be available by request. If you are the author or principal advisor of this work and would like to request open access for it, please contact us at open-help@bu.edu. Thank you.<br>Previous studies have showed effects of irradiation on bone and on fracture healing. This is a histological study of the effect of a combined irradiation/fracture injury model in a strain of aged mice (SAMP6) an

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42

Fuma, Shoichi. "Comparative evaluation of effects of ionizing radiation and other toxic agents on an aquatic microcosm." Kyoto University, 2003. http://hdl.handle.net/2433/149539.

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Lomonaco, Julien. "Modeling of total ionizing dose effects for multiscale simulation : from SOI devices to integrated circuit." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPAST116.

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L'objectif de la thèse est de développer une chaîne de simulation multi-échelle des effets de dose ionisante dans les technologies SOI pour évaluer les dégradations des circuits intégrés. Ce phénomène provient de la dégradation permanente des diélectriques, induisant une dérive dans le temps des caractéristiques électriques des transistors et donc des performances du circuit qu'ils constituent. Cette chaîne de simulation, qui est validée expérimentalement, est destinée à assister les concepteurs de circuits durcis aux radiations, afin de les guider vers les solutions de durcissement optimales.

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Mahee, Durude. "Numerical Simulation and Graphical Illustration of Ionization by Charged Particles as a Tool toward Understanding Biological Effects of Ionizing Radiation." University of Cincinnati / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1535381068931831.

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Ogony, Joshua. "Effects of combined exposure to ethanol and ionizing radiation on the antioxidant status of in vitro and in vivo models." Diss., Rolla, Mo. : University of Missouri-Rolla, 2007. http://scholarsmine.mst.edu/thesis/pdf/Ogony_09007dcc80421bed.pdf.

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Thesis (Ph. D.)--University of Missouri--Rolla, 2007.<br>Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed January 28, 2008) Includes bibliographical references (p. 117-131).

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46

Pasqual, Elisa 1989. "Understanding the health effects of low doses of ionizing radiation from medical procedures : Challenges for epidemiology." Doctoral thesis, Universitat Pompeu Fabra, 2019. http://hdl.handle.net/10803/668123.

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La aplicación de la radiación ionizante (RI) en ámbito médico ha llegado, sin duda, para salvar vidas. Sin embargo, hay una preocupación entre los expertos de salud pública y protección radiológica con relación al incremento de la exposición medica a RI, sobretodo en pacientes pediátricos. Esta tesis tiene como objetivo contribuir a una mejor caracterización del riesgo de radiación en pacientes oncológicos. Con ese fin, se creó un estudio de cohorte de supervivientes de cáncer infantil, como base para el análisis futuro y, anidado a esta cohorte, se implementó un estudio transversal sobre el

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NASCIMENTO, NANCI do. "Estudo comparativo entre crotoxina nativa e irradiada .Aspectos bioquimicos e farmacologicos." reponame:Repositório Institucional do IPEN, 1990. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10255.

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Made available in DSpace on 2014-10-09T12:36:35Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T13:59:11Z (GMT). No. of bitstreams: 1 04133.pdf: 1484751 bytes, checksum: 70d3b59e3be4faedca8ab4be9a1ad750 (MD5)<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP

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CARDI, BRUNO A. "Estudo morfocitologico comparativo de crotoxina nativa e irradiada em tecidos e celulas de camundongos CBA/J." reponame:Repositório Institucional do IPEN, 1995. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9264.

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Made available in DSpace on 2014-10-09T12:25:28Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:02:43Z (GMT). No. of bitstreams: 1 05831.pdf: 9371868 bytes, checksum: edde31cededa88727eb00eed0bb47ed5 (MD5)<br>Dissertacao (Mestrado)<br>IPEN/D<br>Intituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP

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CAMPOS, ISIDA M. A. de. "Dosimetria biologica citogenetica em protecao radiologica .Analise de aberracoes cromossomicas radioinduzidas em linfocitos humanos." reponame:Repositório Institucional do IPEN, 1988. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9913.

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Made available in DSpace on 2014-10-09T12:32:46Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:08:48Z (GMT). No. of bitstreams: 1 03362.pdf: 1393147 bytes, checksum: 01489b7356e00847fe76c389e08056f8 (MD5)<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP

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Fox, Brian Philip. "Investigation of Ionizing-Radiation-Induced Photodarkening in Rare-Earth-Doped Optical Fiber Amplifier Materials." Diss., The University of Arizona, 2013. http://hdl.handle.net/10150/311557.

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Motivated by an increasing demand for functionality and reliability of systems operating in harsh, ionizing-radiation environments, the core of the present research is an investigation of the response of rare-earth-doped, aluminosilicate fibers to ionizing radiation. These rare-earth-doped fibers, consisting of fibers doped with ions of erbium (Er³⁺) and ytterbium (Yb³⁺) designed for use in amplifier systems, reveal average specific losses in response to ⁶⁰Co gamma radiation to be in the range of 0.0285 - 0.193 dB/(m•krad(Si)) at wavelengths from 1300 nm to 1400 nm. An ionizing dose rate depen

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