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Dissertations / Theses on the topic 'Radiation history'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Priestley, Rebecca Katherine. "Nuclear New Zealand: New Zealand's nuclear and radiation history to 1987." Thesis, University of Canterbury. School of Humanities, 2010. http://hdl.handle.net/10092/5007.

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New Zealand has a paradoxical relationship with nuclear science. We are as proud of Ernest Rutherford, known as the father of nuclear science, as of our nuclear-free status. Early enthusiasm for radium and X-rays in the first half of the twentieth century and euphoria in the 1950s about the discovery of uranium in a West Coast road cutting was countered by outrage at French nuclear testing in the Pacific and protests against visits from American nuclear-powered warships. New Zealand today has a strong nuclear-free identity – a result of the New Zealand Nuclear Free Zone, Disarmament and Arms

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2

Hessenbruch, Arne. "The commodification of radiation : radium and X-ray standards, 1896-1928." Thesis, University of Cambridge, 1994. https://www.repository.cam.ac.uk/handle/1810/272780.

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3

Karam, Philip Andrew. "Changes in background cosmic radiation dose during the history of life on Earth /." The Ohio State University, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486572165275912.

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4

Swelankomo, Nonkululeko. "Molecular phylogeny, radiation patterns and evolution of life-history traits in Ursinia (Anthemideae, Asteraceae)." Thesis, Stellenbosch : Stellenbosch University, 2008. http://hdl.handle.net/10019.1/1793.

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Thesis (MSc (Botany and Zoology))--Stellenbosch University, 2008.<br>Sequence data from the Internal Transcribed Spacer (ITS) of the nuclear ribosomal DNA were used to study the phylogenetic relationships in the genus Ursinia Gaertn. (Asteraceae, Anthemideae) in the southern African region. Closely related genera, i.e. Cotula L., Osteospermum L. and Agoseris Raf., were used as outgroups. The study also included maximum parsimony and principal component analyses. The taxa within the genus Ursinia had previously been classified into two subgenera, Ursinia and Sphenogyne R.Br., mainly on th

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Ferrer, Obiol Joan. "The evolutionary history of shearwaters: genomic analyses to resolve a radiation of pelagic seabrids." Doctoral thesis, Universitat de Barcelona, 2021. http://hdl.handle.net/10803/673437.

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How populations differentiate and become new species is a foundational question to the field of evolutionary biology and has important implications for the generation of both local and global patterns of species-level biodiversity. Ernst Mayr emphasised the importance of geographical isolation as a driver of speciation: “populations in separate locations begin a process of differentiation, and once differentiation is sufficient the populations have become two species”. In marine environments, the lack of obvious physical barriers would suggest that panmixia, especially in highly mobile species

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6

Heinicke, Matthew Paul Hedges S. Blair. "A molecular phylogenetic perspective on the evolutionary history of terraranan frogs, a vertebrate mega-radiation." [University Park, Pa.] : Pennsylvania State University, 2009. http://etda.libraries.psu.edu/theses/approved/PSUonlyIndex/ETD-4691/index.html.

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7

Taaffe, Emma. ""We suffered in silence" : health and safety at Chatham Dockyard, 1945 to 1984 : evaluating the causes and management of occupational hazards, relating especially to asbestos, ionising radiation and masculinity." Thesis, University of Hull, 2013. http://hydra.hull.ac.uk/resources/hull:10524.

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This thesis is designed to enhance knowledge and understanding of a range of issues relating to the health and safety of the workforce at Chatham Dockyard from 1945 until its closure in 1984. During this period, the Chatham Dockyard workforce was predominantly white, male and working class. Many workers entered the Dockyard with the expectation of a job for life, while others aimed to take advantage of the superior education system to advance to management grades or to progress to further education and/or a career in naval architecture. The majority of workers lived locally and generations of

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8

Coughlin, Deborah Ann 1953. "Fitting the school to the child: A case history of a child returning to school from brain surgery, radiation, and chemotherapy." Diss., The University of Arizona, 1997. http://hdl.handle.net/10150/282307.

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This ethnographic, teacher research case study focuses upon Valerie Clarie's return to school after surgery from brain cancer, radiation therapy and chemotherapy. Situated in a whole language classroom, Valerie is entering her fifth year of school in a southwest public school system. Prior to this study, Valerie was placed in a traditional classroom setting receiving services on a pull-out basis from the special education resource teacher. This study was initiated during an attempt to mainstream Valerie into her whole language classroom on a full-time basis. It critically examines Valerie Clar

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9

Seltzer, Michael William. "The Technological Infrastructure of Science." Diss., Virginia Tech, 2007. http://hdl.handle.net/10919/28976.

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In this dissertation, I explore a selection of recent work in the philosophy and history of experiment, with an eye toward reformulating its focus and redirecting its future path. Specifically, I re-examine a traditional problem in the philosophy of experiment: how to make sense of scientists' attempts to separate experimental “signal” or “entity” from background “noise” or “artifact.” This aspect of the analysis of the practice of scientists—the day to day task of getting one's experimental equipment and techniques to give reliable results that will be accepted by prevailing scientific sta

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10

Сміян, Олександр Іванович, Александр Иванович Смиян, Oleksandr Ivanovych Smiian, Наталія Олександрівна Савельєва-Кулик, Наталья Александровна Савельева-Кулик та Nataliia Oleksandrivna Savelieva-Kulyk. "Стан клітинного імунітету у дітей з вегетативними дисфункціями із групи радіаційного ризику". Thesis, Експериментальна і клінічна медицина, 2008. http://essuir.sumdu.edu.ua/handle/123456789/65045.

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Результати дослідження свідчать про напруженість процесів адаптації клітинної ланки імунної системи у дітей з вегетативною дисфункцією, особливо тих, що мають обтяжений радіаційний анамнез. Це зумовлює необхідність подальшого вивчення нейроімунологічного механізму формування і підтримання вегетативних розладів у дітей.<br>Результаты исследования свидетельствуют о напряженности процессов адаптации клеточного звена иммунной системы у детей с вегетативной дисфункцией, особенно имеющих отягощенный радиационный анамнез. Это обуславливает необходимость дальнейшего изучения нейроимунологичного меха

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11

Steinmetz, Melissa A. "National Insecurity in the Nuclear Age: Cold War Manhood and the Gendered Discourse of U.S. Survival, 1945-1960." Kent State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=kent1406582200.

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12

Maestri, Renan. "Evolução morfológica na radiação dos roedores sigmodontíneos : ecologia e história evolutiva." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/163695.

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Radiações evolutivas estão entre os eventos mais fascinantes da evolução. Grande parte da diversidade da vida, tanto de espécies como ecológica, surgiu nos breves intervalos temporais de rápida especiação que configuram as radiações. As causas ecológicas e não-ecológicas do surgimento da diversidade em radiações evolutivas, em especial nas radiações adaptativas, são tema de pesquisa há muito tempo, pelo menos desde que Darwin observou a imensa diversidade de um grupo de pássaros nas ilhas Galápagos. Desde então, as ilhas têm sido os ambientes ideais para o estudo desse fenômeno, e foi a partir

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13

Greenberger, Benjamin A. "Combined Effect of Histone Acetylation and Acetyl Mark Readers on Radiation Sensitivity." Thesis, Harvard University, 2016. http://nrs.harvard.edu/urn-3:HUL.InstRepos:27007761.

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We are interested in studying potential drugs that have the ability to make tumors more sensitive to radiation. There has been much interest in examining the effect of modulation to chromatin structure on the DNA damage response (DDR). We therefore examined histone deacetylase (HDAC) inhibitors, small molecules that modify the structural features of chromatin involved in the packaging of DNA. HDAC inhibitors are considered to be potential drug candidates to complement radiation therapy, yet the mechanisms underlying their effects have been elusive. To study the DDR signaling effects of HDAC i

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14

Isermann, Anna-Luka [Verfasser]. "Elucidating the role of histone variant H2A.J following ionizing radiation / Anna-Luka Isermann." Saarbrücken : Saarländische Universitäts- und Landesbibliothek, 2021. http://d-nb.info/1235399605/34.

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15

Kumar, Saurabh. "Radiating Macroscopic Dark Matter: Searching for Effects in Cosmic Microwave Background and Recombination History." Case Western Reserve University School of Graduate Studies / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=case1606996786558263.

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16

Moores, John Edward. "Effects of Insolation on Habitability and the Isotopic History of Martian Water." Diss., The University of Arizona, 2008. http://hdl.handle.net/10150/194111.

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Three aspects of the Habitability of the Northern Plains of Mars to organics and terrestrial-like microbial life were assessed. (1) Protection offered by small surface features and (2) the breakdown of rocks to form soils were examined using a radiative transfer computer model. Two separate sublimation experiments provided a basis to improve (3) estimates of the amount of available water today and in the past by determining the fractionation of HDO between present-day reservoirs.(1) UV radiation sterilizes the hardiest of terrestrial organisms within minutes on the Martian surface. Small surfa

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17

Penterling, Corina [Verfasser], and Anna [Akademischer Betreuer] Friedl. "The effect of depletion of histone demethylase Jarid1A on cell proliferation, histone modifications, radiation response and gene expression / Corina Penterling ; Betreuer: Anna Friedl." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2019. http://d-nb.info/1182228712/34.

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18

Andrade, Pamela Viani de. "Inibidor de histona deacetilase (HDACi) como possível radiosensibilizante em linhagens celulares de glioblastoma pediátrico." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/17/17144/tde-07012016-094449/.

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O glioblastoma (GBM) é considerado um dos tumores mais agressivos do sistema nervoso central (SNC). Mesmo com o uso de protocolos modernos de tratamento o prognóstico se mantém bastante reservado, sendo que crianças com GBM apresentam uma sobrevida média de 12 a 15 meses. Mecanismos epigenéticos podem interferir no processo de carcinogênese, sendo que a acetilação do DNA pode modular a expressão de genes que atuam no controle do ciclo celular, contribuindo assim para o desenvolvimento e progressão de neoplasias. Estudos clínicos demonstram que inibidores de histonas deacetilases (HDACs), em mo

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19

Auvinet, Juliette. "Histoire évolutive des remaniements chromosomiques en liaison avec la mobilisation d'éléments transposables chez les téléostéens antarctiques Nototheniidae : la radiation adaptative du groupe " Trematomus "." Thesis, Sorbonne université, 2018. http://www.theses.fr/2018SORUS371/document.

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L’alternance de périodes glaciaires et interglaciaires durant les 20 derniers Ma a mené à des changements environnementaux répétés au niveau du plateau continental antarctique. C’est dans ce contexte que les téléostéens de la famille des Nototheniidae se sont adaptés et diversifiés à travers plusieurs vagues de radiations (dont les Trematominae), dominant l’Ichtyofaune australe. Parmi les Nototheniidae, le groupe « Trematomus » (genres Cryothenia, Pagothenia, Trematomus et Indonotothenia) est celui où l’on observe la plus grande diversité chromosomique, avec des nombres diploïdes de chromosome

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20

Auvinet, Juliette. "Histoire évolutive des remaniements chromosomiques en liaison avec la mobilisation d'éléments transposables chez les téléostéens antarctiques Nototheniidae : la radiation adaptative du groupe " Trematomus "." Electronic Thesis or Diss., Sorbonne université, 2018. http://www.theses.fr/2018SORUS371.

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L’alternance de périodes glaciaires et interglaciaires durant les 20 derniers Ma a mené à des changements environnementaux répétés au niveau du plateau continental antarctique. C’est dans ce contexte que les téléostéens de la famille des Nototheniidae se sont adaptés et diversifiés à travers plusieurs vagues de radiations (dont les Trematominae), dominant l’Ichtyofaune australe. Parmi les Nototheniidae, le groupe « Trematomus » (genres Cryothenia, Pagothenia, Trematomus et Indonotothenia) est celui où l’on observe la plus grande diversité chromosomique, avec des nombres diploïdes de chromosome

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21

Lundström, Lukas. "Weather data for building simulation : New actual weather files for North Europe combining observed weather and modeled solar radiation." Thesis, Mälardalens högskola, Akademin för hållbar samhälls- och teknikutveckling, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-16446.

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Dynamic building simulation is increasingly necessary for accurately quantifying potential energy savings measures in retrofit projects, to compliant with new stricter directives from EU implanted into member states legislations and building codes. For good result the simulation model need to be accurately calibrated. This requires actual weather data, representative for the climate surrounding the given building, in order to calibrate against actual energy bills of the same period of time. The main objective of this degree project is to combine observed weather (temperature, humidity, wind et

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22

Lahaye, Renaud. "Phylogénie moléculaire des secamonoideae (Apocynaceae S. L. ) : histoire biogéographique et évolution des formes de croissance." Toulouse 3, 2005. http://www.theses.fr/2005TOU30253.

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Les relations phylogénétiques au sein de la sous-famille des Secamonoideae ont été étudiées en utilisant les régions chloroplastiques des introns 5'trnK et trnL, des espaceurs trnT-L et trnL-F, et du gène matK. Ces séquences nucléotidiques se sont révélées être phylogénétiquement congruentes. Les analyses parcimonieuses et Bayésiennes de la matrice combinée positionnent les Secamonoideae comme groupe frère des Asclepiadoideae. A l'intérieur des Secamonoideae, les genres Secamonopsis, Pervillaea, et Toxocarpus sont monophylétiques. Le genre Calyptranthera est paraphylétique et la monophylie du

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23

Pfister, Sophia Xiao. "The three methyls : the function and therapeutic potential of histone H3K36 trimethylation." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:83cfd649-b75c-49f6-b881-1c1e96cafb08.

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DNA is wrapped around proteins called histones, whose modification regulates numerous cellular processes. Therefore it is not surprising that mutations in the genes that modify the histones are frequently associated with human cancer. For example, mutations in SETD2, encoding the sole enzyme that catalyses histone H3 lysine 36 trimethylation (H3K36me3), occur frequently in multiple cancer types. This identifies H3K36me3 loss as an important event in cancer development, and also as a potential therapeutic target. This thesis investigates the following questions: (1) how does the loss of H3K36me

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24

Alves, Eliade Amanda. "Benjamin Thompson (Conde Rumford) e o experimento da radiação do frio." Pontifícia Universidade Católica de São Paulo, 2013. https://tede2.pucsp.br/handle/handle/13284.

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Made available in DSpace on 2016-04-28T14:16:18Z (GMT). No. of bitstreams: 1 Eliade Amanda Alves.pdf: 797025 bytes, checksum: 7b8d100a42540d8c12a1bd758578ffd9 (MD5) Previous issue date: 2013-05-14<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>This work has the purpose to understand the role of experiment in constructing knowledge. Here we have analyzed the radiation of cold experiment performed by Rumford in 1802 and its theoretical implication concerning the heat. Regarding this we reviewed some Rumford s early studies which led us to a better understanding of his trajec

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25

Behbehani, Gregory Kayvhan. "The BLM Helicase Is Involved in the Repair of DNA Lesions Induced by Diverse Genotoxins." University of Cincinnati / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1169583988.

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26

Holmes, Robert Wendell 1980. "Substance of the sun : the cultural history of radium medicines in America." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-08-1603.

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From the moment Marie Curie announced the existence of radium, the strange new element captured the imagination of the American public. Radium, it seemed, could do anything. It gave off its own light and heat and appeared to realize the ancient alchemical dream of transmutation. It also showed promise as a medicine. The press ran with the idea that radium was a panacea that would cure everything from cancer to wife-beating. Soon it became impossible for the public to know what to believe when it came to radium and its effects on the body. Patent medicine companies exploited the murkiness

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27

Blom, Mozes. "The Evolutionary History of Cryptoblepharus Lizards: Recent Diversification across Continents and Oceans." Phd thesis, 2016. http://hdl.handle.net/1885/118217.

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Understanding the evolutionary processes that generate and maintain biodiversity is a fundamental objective in ecology and evolution. In this dissertation, I characterize phylogenetic patterns in a recent radiation of Australian skinks, discuss the ecological context of diversification and how this has translated into macroevolutionary change across the continent. By also reconstructing the evolutionary history of all Cryptoblepharus species globally, I shed further light on the evolutionary and biogeographic processes that have shaped the diversity of t

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28

"Liver fibrosis in chronic hepatitis B: a study of the natural history using transient elastography." Thesis, 2010. http://library.cuhk.edu.hk/record=b6074852.

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Abstract not available.<br>by Wong Lai-hung, Grace.<br>Source: Dissertation Abstracts International, Volume: 72-04, Section: B, page: .<br>Thesis (Ph.D.)--Chinese University of Hong Kong, 2010.<br>Includes bibliographical references (leaves 218-252).<br>Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web.<br>Electronic reproduction. Ann Arbor, MI : ProQuest Information and Learning Company, [200-] System requirements: Adobe Acrobat Reader. Available via World Wide Web.

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González, Tagle Marco Aurelio. "Fire History and Natural Succession after Forest Fires in Pine-Oak Forest:." Doctoral thesis, 2005. http://hdl.handle.net/11858/00-1735-0000-0006-B169-5.

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30

Bryce, C. C., G. Horneck, E. Rabbow, Howell G. M. Edwards, and C. S. Cockell. "Impact shocked rocks as protective habitats on an anoxic early Earth." 2014. http://hdl.handle.net/10454/9319.

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No<br>On Earth, microorganisms living under intense ultraviolet (UV) radiation stress can adopt endolithic lifestyles, growing within cracks and pore spaces in rocks. Intense UV irradiation encountered by microbes leads to death and significant damage to biomolecules, which also severely diminishes the likelihood of detecting signatures of life. Here we show that porous rocks shocked by asteroid or comet impacts provide protection for phototrophs and their biomolecules during 22 months of UV radiation exposure outside the International Space Station. The UV spectrum used approximated the high-

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