Thematische Bibliographien / Dose secondaire / Dissertationen
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Dissertationen zum Thema „Dose secondaire“

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Veröffentlicht am 20. Juli 2024

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1

Bonfrate, Anthony. "Développement d'un modèle analytique dédié au calcul des doses secondaires neutroniques aux organes sains des patients en protonthérapie." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLS408/document.

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Les doses secondaires neutroniques ne sont actuellement pas estimées lors de la planification de traitement dans les centres de protonthérapie puisque les logiciels de planification de traitement (TPS) ne le proposent pas tandis que les simulations Monte Carlo (MC) et les mesures sont inadaptées pour un environnement clinique. L’objectif de la thèse est de développer un modèle analytique dédié à l’estimation des doses secondaires neutroniques aux organes sains qui reste pratique et simple d’utilisation en routine clinique. Dans un premier temps, la géométrie existante de la gantry installée au
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Bessières, Igor. "Développement et validation expérimentale d'un outil de détermination de la dose hors-champ en radiothérapie." Phd thesis, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-00801314.

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Depuis deux décennies, les nombreux développements des techniques de radiothérapie par modulation d'intensité (RCMI) ont permis de mieux conformer la dose au volume cible et ainsi, d'augmenter les taux de réussite des traitements des cancers. Ces techniques ont souvent l'avantage de réduire la dose aux organes à risque proches de la zone traitée, mais elles ont l'inconvénient d'apporter un niveau de dose périphérique plus important que les techniques basiques sans modulation d'intensité. Dans ce contexte, l'augmentation du taux de survie des patients qui en résulte, accroît également la probab
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Bessières, Igor. "Développement et validation expérimentale d’un outil de détermination de la dose hors-champ en radiothérapie." Thesis, Paris 11, 2013. http://www.theses.fr/2013PA112016/document.

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Depuis deux décennies, les nombreux développements des techniques de radiothérapie par modulation d’intensité (RCMI) ont permis de mieux conformer la dose au volume cible et ainsi, d’augmenter les taux de réussite des traitements des cancers. Ces techniques ont souvent l’avantage de réduire la dose aux organes à risque proches de la zone traitée, mais elles ont l’inconvénient d’apporter un niveau de dose périphérique plus important que les techniques basiques sans modulation d’intensité. Dans ce contexte, l’augmentation du taux de survie des patients qui en résulte, accroît également la probab
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4

Ronga, Maria Grazia. "Study and modelling of very high energy electrons (VHEE) radiation therapy." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPAST036.

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Le développement de méthodes innovantes susceptibles de réduire la sensibilité des tissus sains aux radiations, tout en maintenant l'efficacité du traitement sur la tumeur, est un aspect central de l'amélioration de l'efficacité de la radiothérapie pour le traitement du cancer. Parmi les développements et innovations méthodologiques possibles, la combinaison d'une irradiation à ultra-haut débit de dose (FLASH) et d'électrons de très haute énergie (VHEE) pourrait permettre d'exploiter les avantages radiobiologiques de l'effet FLASH pour le traitement des tumeurs profondes. En particulier, les V
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Hourcade-Potelleret, Florence. "De la dose à l'effet clinique : utilisation de la modélisation dans les différentes étapes du processus de prédiction du critère clinique : Exemple avec un nouveau médicament en prévention secondaire de la morbidité-mortalité cardiovasculaire." Phd thesis, Université Jean Monnet - Saint-Etienne, 2012. http://tel.archives-ouvertes.fr/tel-00979667.

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Les données épidémiologiques montrent une association inverse entre les taux de HDL-cholestérol (HDL-C) et le risque d'évènements cardiovasculaires. Des traitements ayant montré une augmentation significative du HDL-C, comme les inhibiteurs de la protéine de transfert des esters de cholestérol, devraient donc permettre de réduire le risque cardio-vasculaire. En utilisant différentes techniques de modélisation, nous avons tenté de quantifier l'efficacité attendue sur les événements cardiovasculaires de l'un d'entre eux, le dalcétrapib, ne disposant que de données pharmacocinétiques et pharmacod
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Ryckman, Jeffrey M. "Using MCNPX to calculate primary and secondary dose in proton therapy." Thesis, Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/39499.

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Proton therapy is a relatively new treatment modality for cancer, having recently been incorporated into hospitals in the last two decades. Although proton therapy has much higher start up and treatment costs than traditional methods of radiotherapy, it continues to expand in use today. One reason for this is that proton therapy has the advantage of a more precise localization of dose compared to traditional radiotherapy. Other proposed advantages of proton therapy in the treatment of cancer may lead to a faster expanse in its use if proven to be more effective than traditional radiotherapy. T
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Fricker, Katherine. "Collateral exposure: the additional dose from radiation treatment." Thesis, University of Canterbury. Physics and Astronomy, 2012. http://hdl.handle.net/10092/10361.

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For patients receiving radiation therapy, there is a risk of developing radiation induced carcinomas, especially if they have a long life expectancy. However, radiotherapy is not the only contributor of radiation exposure to healthy tissue. With the introduction of highly conformal treatment techniques comes the increase in pretreatment imaging necessary to accurately target tumour volumes and consequently, radiation exposure to healthy tissue. In this work the radiation dose delivered to radiosensitive organs from a number of treatment planning techniques was evaluated and the risk of radiat
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Leitão, João Luís Vieira. "Climate changes: effects of secondary salinisation in freshwater organisms." Master's thesis, Universidade de Aveiro, 2011. http://hdl.handle.net/10773/8332.

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Mestrado em Biologia Aplicada<br>As global climate patterns change, so will freshwater availability. Specially, salinisation of freshwater costal ecosystem is a major point of concern; either by surface flooding or by groundwater intrusions of seawater. This may be potentiated by the decrease of freshwater availability provoked by longer drought periods, evaporation, and increased freshwater extraction (for example for agriculture and other human uses). According, the present work aimed at evaluating how freshwater organisms responded to an increase in salinity. To achieve this main objective
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Jaillet, Cyprien. "Modifications du glycome endothélial vasculaire dans le contexte d'une irradiation à forte dose." Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066021/document.

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La radiothérapie constitue l’un des principaux traitements pour l’éradication des cancers. Cependant, elle présente un risque d’effets secondaires aux tissus sains environnant la tumeur. Dans ce processus, le système vasculaire et plus particulièrement l’endothélium jouent un rôle clé. Les cellules endothéliales activées favorisent le recrutement chronique des thrombocytes et des leucocytes, contribuant ainsi aux effets secondaires. D’autre part, dans les maladies inflammatoires, les glycanes exprimés à la surface des cellules endothéliales sont modifiés et influencent le recrutement des cellu
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Borucki, Suzanne Janette. "Parent involvement at the secondary level? It can be done!" CSUSB ScholarWorks, 1998. https://scholarworks.lib.csusb.edu/etd-project/1665.

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Sayah, Rima. "Evaluations des doses dues aux neutrons secondaires reçues par des patients de différents âges traités par protonthérapie pour des tumeurs intracrâniennes." Phd thesis, Université Paris Sud - Paris XI, 2012. http://tel.archives-ouvertes.fr/tel-00810289.

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La protonthérapie est une technique avancée de radiothérapie qui permet de délivrer une dose élevée à la tumeur, tout en épargnant au mieux les tissus sains environnants, grâce aux propriétés balistiques des protons. Cependant, des particules secondaires, principalement des neutrons, sont créées par les interactions nucléaires que les protons initient dans les composantes de la ligne et de la salle de traitement, ainsi que dans le patient. Ces neutrons secondaires conduisent à des doses indésirables déposées aux tissus sains situés à distance du volume cible, dont la conséquence pourrait être
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Wilson, G. Stuart. "Understanding what needs to be done to improve a school." Thesis, Brunel University, 2003. http://bura.brunel.ac.uk/handle/2438/5525.

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The purpose of this research is to discover different ways of understanding what needs to be done to improve a school, with particular reference to secondary school head teachers. The variation within those understandings, and how the understandings are logically and hierarchically related, are also of interest. Contributions of theory and knowledge to the quality of head teachers' thinking, in terms of negotiating personal and collective meanings, and implying interventions based on interpretations, are suggested. It is argued that the place of thinking (feeling and awareness) within school i
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13

Peet, Samuel. "Out-of-field dosimetry in contemporary radiation therapy." Thesis, Queensland University of Technology, 2022. https://eprints.qut.edu.au/234916/1/9325565_samuel_peet_thesis.pdf.

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Radiation therapy is a beneficial treatment for approximately half of all people diagnosed with cancer. This project improved the safety of radiation therapy for several vulnerable cohorts: pregnant patients, patients with electronic implants such as pacemakers, and young people at risk of developing secondary cancers later in life. In doing so, this research furthered equitable access to safe, high-quality health care.
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Wedel, Elsa. "Biology in Swedish Upper Secondary School : Does it Contribute to Ecocentrism?" Thesis, Linköpings universitet, Institutionen för fysik, kemi och biologi, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-157624.

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Environmental issues are increasingly on the agenda and education is recognised as an important part in turning the negative trend. Originally formulated in 1976, the intent of environmental education was toprotect the nature from human impact and to induce in students a sense of the natural worlds’ own values.However, this has come to change during the years and the focus now lies on the values that nature possess for humans, in the shape of education for sustainable development. Though creating a concern for the environmental issues, critics point out that the anthropocentric attitude is not
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Dalmann, Romain. "Etude du mécanisme antalgique du Paracétamol ; région cérébrale et mécanisme mis en jeu." Thesis, Clermont-Ferrand 1, 2015. http://www.theses.fr/2015CLF1MM08/document.

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Le paracétamol est sujet à controverse depuis sa découverte. Que ce soit son mécanisme d’action, ses effets indésirables ou son efficacité, de nombreuses études ont été réalisées et parfois se contredisent. Parfois critiqué pour son efficacité limitée, il n’a pourtant rien à envier aux autres antalgiques : il soulage les douleurs faibles à modérées sans effets indésirables aux doses thérapeutiques. Cela en fait un médicament de premier recours chez la femme enceinte, le nourrisson et l’enfant. D’après un rapport de l’ANSM, sur les 30 substances actives les plus vendues en France en 2013 (monta
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Micallef-Roll, Joëlle. "Evaluation des effets psychocomportementaux de doses subanesthésiques de kétamine chez le sujet sain." Aix-Marseille 2, 2002. http://theses.univ-amu.fr.lama.univ-amu.fr/2002AIX20663.pdf.

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Malgré les avancées pharmacologiques avec les antipsychotiques «atypiques» certains patients schizophrènes ne sont pas améliorés par le traitement ou ne le tolèrent pas ou ne sont que partiellement améliorés avec la persistance des symptômes négatifs et des signes cognitifs. Aussi est-il nécessaire d'améliorer à la fois les outils diagnostiques et d'identifier des cibles pharmacologiques futures. Le système glutamatergique pourrait offrir cette double opportunité. L'implication du glutamate dans la physiopathologie de la schizophrénie repose, entre autres, sur le fait que la phencyclidine et l
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Burrows, Andrea C. "Secondary Teacher and University Partnerships: Does Being in a Partnership Create Teacher Partners?" University of Cincinnati / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1307323122.

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Dupont, Stéphane. "Dose absorbée en surface en conditions d'obliquité dans les faisceaux de photons de haute énergie." Toulouse 3, 1994. http://www.theses.fr/1994TOU30204.

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Notre etude a consiste a obtenir un ensemble de donnees sur la variation de la dose absorbee a la surface et dans les premiers millimetres du milieu en fonction de l'angle d'incidence (de 0 a 80) pour differentes energies de faisceaux de photons (rx 4, 6, 10, 15 et 25 mv) et pour differentes ouvertures de collimateur de 5; a 300 cm#2. Afin de quantifier cette variation en fonction de l'obliquite, nous avons introduit un facteur d'obliquite. Pour chaque qualite de faisceau de photons, nous avons alors etudie l'evolution de ce facteur en fonction de la profondeur, de l'ouverture du collimateur e
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De, Graaf Brandon Michael. "Determining the Effect of Shielding for an Eye Exposed to Secondary Particles Produced by Galactic Cosmic Rays using MCNPX Modeling." University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1288379556.

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20

Eiden, Céline. "Essai de faisabilité du suivi thérapeutique pharmacologique et de l'optimisation des antifongiques azolés récents : voriconazole et posaconazole." Montpellier 1, 2009. http://www.theses.fr/2009MON13508.

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Le voriconazole (VCZ) et le posaconazole (PCZ) sont des antifongiques récents à structure triazolée. Après avoir rapporté un cas d'allongement de l'espace QT avec torsade de pointes, suivi d'un arrêt cardiaque sous VCZ, nous avons effectué une étude sur l'ensemble des cas d'effets indésirables notifiés dans la Base Nationale de Pharmacovigilance et analysé les cas rapportés dans la littérature. Ces données nous ont permis de préciser les circonstances d'apparition des effets indésirables du VCZ. Nous avons ensuite mis au point et validé une méthode de dosage par chromatographie liquide haute p
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Stitzel, Cody Dee. "Empathetic Responding in Psychopathy Subtypes: Does Gender Equivalence between Offender and Victim Matter?" University of Dayton / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1502088898905774.

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Guerra, Cátia Carina de Almeida. "Salt effects on growth, nutrient and secondary compound contents of Diplotaxis tenuifolia." Master's thesis, Universidade de Aveiro, 2008. http://hdl.handle.net/10773/915.

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Mestrado em Biologia Marinha<br>A salinidade do solo é considerada, a nível mundial, como o principal factor abiótico de stress agrícola. Este facto levou ao desenvolvimento de diversos projectos em tolerância salina com o intuito de melhorar as culturas tradicionais e descobrir novas plantas passíveis de crescer nesses solos. Este trabalho centra-se nas respostas de crescimento de Diplotaxis tenuifolia Lquando cultivada sob condições de stress salino. O conhecimento do grau de tolerância salino desta planta é de grande interesse para a agricultura, uma vez que existem observações da ocorrênci
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Bannwarth, E. "Pancytopénie au méthotrexate à faible dose dans la polyarthrite rhumatoi͏̈de : à propos d'un cas et revue de la littérature." Bordeaux 2, 1992. http://www.theses.fr/1992BOR2M203.

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Martinetti, Florent. "Estimation des doses dues aux neutrons secondaires reçues par les patients en protonthérapie : cas des traitements ophtalmologiques." Paris 11, 2009. http://www.theses.fr/2009PA112250.

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Les travaux de recherche menés au cours de cette thèse ont eu pour objet d’évaluer les doses dues aux neutrons secondaires reçues par les organes du patient situés en dehors du champ de traitement. L’étude a été axée sur le cas des traitements ophtalmologiques réalisés à l’Institut Curie – centre de Protonthérapie d’Orsay (ICPO). En premier lieu, un modèle de la ligne de faisceau de 75 MeV utilisée pour ces traitements à Orsay a été développé avec le code de calcul Monte Carlo MCNPX. Dans un second temps plusieurs validations expérimentales du modèle ont été mises en œuvre. Elles concernent :
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Rosenthal, Robert. "How does student teacher research contribute to knowledge creation within the secondary school context?" Thesis, University of Sussex, 2014. http://sro.sussex.ac.uk/id/eprint/51479/.

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The extent to which participation in research is seen as an essential part of Initial Teacher Education programmes is very variable across time and institutions. Where it is a necessary part of the programme, student teachers are expected to engage in classroom enquiry and this is considered beneficial for them, the schools involved and to others more widely. This thesis explores student teacher research as knowledge creation, how the knowledge created by examples of the University of Sussex PGCE Special Study was used by the students, their school-based mentors and professional tutors and wha
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Riemen, Anna Helene Katrin. "Does synovial hyperplasia after traumatic joint surface injury affect the development of secondary osteoarthritis?" Thesis, University of Aberdeen, 2018. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=239453.

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The burden of osteoarthritis continuous to increase. While joint replacement surgery provides a cost effective and efficacious treatment for end stage osteoarthritis, no treatment exists to prevent or slow the progression of the disease. Understanding the cellular and molecular changes in the synovium following trauma and in early osteoarthritis could facilitate the identification of novel therapeutic targets. Previous studies identified synovial hyperplasia following intra-articular fractures, cartilage injury and in osteoarthritis. In mice, proliferation of synovial mesenchymal stromal/stem
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Andersson, Claes. "How does the moving of the family affect the outcome in swedish secondary school?" Thesis, Malmö högskola, Fakulteten för lärande och samhälle (LS), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-27944.

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Mitt syfte med detta arbete har varit att belysa det problem som det kan innebära för en skola atthantera elever som flyttat in under grundskoletiden och undersöka hur dessa elevers resultatpåverkas av det faktum att de har flyttat in från en annan skola.Den teori jag har använt är huvudsakligen systemteorin som den beskrivs i Peter Senges ”Denfemte disciplinen”. Jag valde denna teori eftersom frågeställningen i detta arbete förutsätter attman intar ett övergripande perspektiv på frågor som rör hela den svenska grundskolan – helasystemet.I undersökningen används till största delen statistiska
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Gerrard, Edward. "How does coursework based study affect the learning of pupils in secondary science education?" Thesis, University of Gloucestershire, 2010. http://eprints.glos.ac.uk/3254/.

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The GCSE science syllabus and curriculum changed considerably between 2005 and 2008. A key specification of coursework which had been identified as encouraging routine completion was replaced, requiring coursework to be completed under exam conditions, while a vocational alternative with increased coursework content was also introduced. I set out in this PhD study, as a 'researching teacher', to ascertain the attitudes of pupils and teachers to GCSE science coursework, and whether there exist any differences in pupil attainment linked to the reform of coursework and GCSE examination. I also ha
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Leech, Andrea Dawn. ""What Does This Graph Mean?" Formative Assessment With Science Inquiry to Improve Data Analysis." PDXScholar, 2014. https://pdxscholar.library.pdx.edu/open_access_etds/1537.

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This study investigated the use of formative assessment to improve three specific data analysis skills within the context of a high school chemistry class: graph interpretation, pattern recognition, and making conclusions based on data. Students need to be able to collect data, analyze that data, and produce accurate scientific explanations (NRC, 2011) if they want to be ready for college and careers after high school. This mixed methods study, performed in a high school chemistry classroom, investigated the impact of the formative assessment process on data analysis skills that require higher
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陳素心 and So-sum Chan. "How does principal's leadership influence teachers' beliefs?: case study of a secondary school in HongKong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B31962798.

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Dewar, Louise H. "The advanced placement program| Does the cost outweigh the value for independent schools in the 21st century?" Thesis, College of Saint Elizabeth, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3619006.

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<p> The purpose of this action research, mixed methods study was to explore the impact of the AP Program on the high school and college experience of students, both from an academic and a "lived experience" perspective. In addition, the study investigated the costs and values of the AP Program to the institution itself. The study revealed that the AP Program continues to contribute significant value to students' high school educations, generally prepares them well for success at college, and often contributes to the acquisition of important credit and placement accommodations for students wh
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Reeves, Todd. "Does Content Knowledge Matter for New Teachers?" Thesis, Boston College, 2013. http://hdl.handle.net/2345/3346.

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Thesis advisor: Joseph J. Pedulla<br>There is considerable evidence that new teachers are ill prepared for classroom practice, including self-reported evidence collected from teachers (e.g., Levine, 2006), and statistical evidence for differences in the achievement of students with new versus more experienced teachers (Rivkin, Hanushek, and Kain, 2005). In light of the challenges encountered by new teachers (e.g., Levine, 2006), this study examined the value of different forms of teacher knowledge for teachers with different levels of experience. In particular, this study investigated the inte
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Gonon, Géraldine. "Space radiation-induced bystander effect : kinetics of biologic responses, mechanisms, and significance of secondary radiations." Phd thesis, Université de Franche-Comté, 2011. http://tel.archives-ouvertes.fr/tel-00987717.

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Widespread evidence indicates that exposure of cell cultures to α particles results in significant biological changes in both the irradiated and non-irradiated bystander cells in the population. The induction of non-targeted biological responses in cell cultures exposed to low fluences of high charge (Z) and high energy (E) particles is relevant to estimates of the health risks of space radiation and to radiotherapy. Here, we investigated the mechanisms underlying the induction of stressful effects in confluent normal human fibroblast cultures exposed to low fluences of 1000 MeV/u iron ions (l
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Watts, Kim. "Does teenage pregnancy and childbirth really increase risk? : exploring outcomes through secondary analysis of NHS data." Thesis, University of Nottingham, 2010. http://eprints.nottingham.ac.uk/12590/.

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This retrospective cohort study, examined pregnancy and birth related outcomes for 32,895 births between 1st January 1992 and 31st December 2001 in two maternity units in the East Midlands. The study compared seven outcomes in younger teenagers (<16 year), older teenagers (17-19 years) and a comparison group (20-25 year olds). The sample included 1105 births to younger teenagers, 6923 to older teenagers and 24867 to the comparative group. 14824 were to primiparous women and 18071 were to multiparous women of which 1711 births to multiparous women were rapid repeat births (<18 months of a previ
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Tong, Chung-fan, and 湯仲勳. "How does the teamwork culture affect the teachers' ways of working in a local secondary school?" Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B30257141.

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Davids, Eugene Lee. "Does family structure matter? A comparison of the goals and aspirations of learners in secondary school." University of the Western Cape, 2012. http://hdl.handle.net/11394/5115.

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Magister Artium - MA<br>Self Determination Theory (SDT) proposes that individuals are motivated to have goals and aspirations which are either intrinsic or extrinsic in nature. Intrinsic life goals are associated with greater psychological health and well-being. Research shows that family structure plays a role in the way children are raised and has implications for later adult adjustment. In South Africa 42.8% of children are raised in a single parent household. This study aimed to compare the goals and aspirations of learners from single and married parent households. The study used a quanti
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Chan, So-sum. "How does principal's leadership influence teachers' beliefs? : case study of a secondary school in Hong Kong /." Hong Kong : University of Hong Kong, 2002. http://sunzi.lib.hku.hk/hkuto/record.jsp?B25752091.

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Wood, J. M. "To what extent does school leadership facilitate Community Cohesion for students in an English secondary school?" Thesis, University College London (University of London), 2017. http://discovery.ucl.ac.uk/1536125/.

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This thesis is a study of the implementation of the policy of Community Cohesion in one maintained secondary school in England. It explores the policy cycle through the stages of influence, production and practice and notes how discourses at national and local levels influenced the policy. The literature review considers the discourses of multiculturalism, interculturalism, citizenship, identity and security that influenced the policy at its inception at national level. The case study examines documentary evidence including the racist incidents log and elicits the views of staff and students t
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Svensson, Ofir. "Does small-scale land use affect the understory birds negative in the Peruvian National Reserve Allpahuayo Mishana?" Thesis, Högskolan i Halmstad, Sektionen för ekonomi och teknik (SET), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-25017.

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Human activities that lead to fragmentation and habitat loss are big problems in the world. Due to global climate change the negative effects of fragmented habitats can be catastrophic for many organisms. In the Amazon rainforest, that is most sensitive to human impact, stands a big risk to lose its species diversity. Fragmentation and climate change together seems to escalate the death rate of rainforest plants and that will change the whole ecosystem. Birds and insects are depending on the trees and the trees faces big challenges now. Many of the rainforest organisms have been noticed to emi
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Vardinakis, Mindie H. C. "Does Student Choice Improve Students' Attitudes Toward their Language Arts Class?" Defiance College / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=def1281705744.

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Hostutler, Roger Allen. "Comparison of Effects of Daily and Pulse Dose Calcitriol in Treating Renal Secondary Hyperparathyroidism in Cats with Primary Chronic Renal Failure." The Ohio State University, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=osu1396282849.

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42

Cardoso, Jorge Luiz. "Evaluation of the precipitation of secondary phases on CO2 environment corrosion resistance of austenitic and super austenitic stainless steels." reponame:Repositório Institucional da UFC, 2016. http://www.repositorio.ufc.br/handle/riufc/18440.

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CARDOSO, J. L. Evaluation of the precipitation of secondary phases on CO2 environment corrosion resistance of austenitic and super austenitic stainless steels. 2016. 133 f. Tese (Doutorado em Ciência de Materiais) – Centro de Tecnologia, Universidade Federal do Ceará, Fortaleza, 2016.<br>Submitted by Hohana Sanders (hohanasanders@hotmail.com) on 2016-07-15T13:48:21Z No. of bitstreams: 1 2016_tese_jlcardoso.pdf: 8753874 bytes, checksum: a423033a537ecd65f676406b27740c08 (MD5)<br>Approved for entry into archive by Marlene Sousa (mmarlene@ufc.br) on 2016-07-18T13:49:21Z (GMT) No. of bitstreams: 1
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Minjares, Amador Jr. "Human skeletal remains of the ancient Maya in the caves of Dos Pilas, Guatemala." Thesis, Texas A&M University, 2003. http://hdl.handle.net/1969.1/243.

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This study focuses on the assessment of the depositional activity that occurred in six caves of the Petexbatun region of the Peten, Guatemala through a quantitative analysis of the human skeletal material recovered from them. Five of these caves are associated with the site of Dos Pilas; the sixth cave (Cueva de Los Quetzales) is located beneath the site of Las Pacayas. The cave is an important aspect of the Maya worldview, as evidenced in the artifactual and skeletal material found in caves by archaeological exploration. My study is specifically focused on the assessment of the primary and
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Petersson, Theres. "Peer Feedback in a Swedish EFL Textbook -Does it align with best practices?" Thesis, Örebro universitet, Institutionen för humaniora, utbildnings- och samhällsvetenskap, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-92956.

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Peer feedback and its role for students’ language learning receive considerable interest in thefield of English as a foreign language. A related area of interest is the ways in which teachersare trained in their use of peer feedback and its integration into their classroom practice. Yet,research on the ways in which English language textbooks include opportunities for andinstructions in peer feedback are sparse. Given the importance of textbooks in EFLclassrooms as one of the primary sources of L2 input, the aims of this study are to investigate:1) Whether commonly used textbooks for teaching
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Chiu, Suk-kwan, and 趙淑君. "Does the relative age effect (RAE) exist in the selection of athletes in Hong Kong secondary schools?" Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2005. http://hub.hku.hk/bib/B45013834.

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Bhogal, Balbir Kaur. "How does patient choice impact on secondary care : an in depth investigation in a large teaching hospital." Thesis, University of Birmingham, 2016. http://etheses.bham.ac.uk//id/eprint/6490/.

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Over recent decades health care policy in the English NHS has focused on the role of patient choice of provider as a lever for health care improvement (Mays 2010; Fotaki 2013). The thesis explores the degree to which patient choice policy has been successful in its aim. Specifically, it explores the influence that patient choice policy has on changing and shaping organisation culture in an acute hospital trust. A qualitative case study was undertaken in a teaching hospital Trust involving interviews with 30 interviewees drawn from different levels of the hierarchy in the hospital. The study al
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Brooks, Kanini Wanjira Ward. "Does an Online Post-baccalaureate Secondary Teacher Certification Program Produce Certified Teachers Who Remain in the Field?" Thesis, University of North Texas, 2015. https://digital.library.unt.edu/ark:/67531/metadc804832/.

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Given issues in education concerning teacher shortages, the omnipresence of alternative certification programs and the growth of online programs in higher education, this study investigated teacher retention for 77 secondary education teachers who completed an online teacher preparation program in Texas. Teacher retention was examined from 2003-2013 and investigated the influence of factors such personal characteristics, working conditions and school setting characteristics on teacher retention. Data was collected electronically utilizing a survey instrument designed by two teacher education e
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Faaulufalega, Tailetai Pale. "How does Culture Impact on Educational Leadership in Samoa?" The University of Waikato, 2008. http://hdl.handle.net/10289/2260.

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The aim of this research was to explore the relationship between culture and the educational leadership of six secondary school principals in Samoa. Educational leadership is a bounded process and is subject to the cultural traditions and values of the society in which it is exercised. To date, no research has been undertaken on this topic in Samoa. This qualitative study used a semi-structured interview process to gather data from the secondary school principals who had been principals for more than three years in government schools. It also sought to explore how professional development of t
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Nascimento, HÃlio Oliveira do. "Study of the chemical and cytotoxic potential of secondary metabolites of endophytic fungus Periconia hispidula." Universidade Federal do CearÃ, 2016. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=16271.

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CoordenaÃÃo de AperfeÃoamento de Pessoal de NÃvel Superior<br>Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico<br>Periconia hispidula is an endophytic fungus isolated from dried leaves from semi-arid dunes of Bahia. The fungus was subjected to cultivation by varying nutritional factors in four different culture mediuns: MPD (malt, peptone and dextrose), BD (potato dextrose), BDL (potato, dextrose and yeast) and MntPL (mannitol, peptone and yeast), and analyzing the extracts on different incubation days (7, 14, 21, 28 days). A survey of primary cytotoxic activity was carried out fr
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Smith, D. L. "What does religious education achieve? : an investigation into the effect of secondary school pupils' experience of religious education on their attitude to religion." Thesis, University of Wales Trinity Saint David, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.683379.

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