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Dissertations / Theses on the topic 'Sandur'

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Published: 4 June 2021
Last updated: 8 February 2022

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1

Blauvelt, David J. "Evolution of a Sandur : sixty years of change, Skeiðarársandur, Iceland." Thesis, University of Newcastle Upon Tyne, 2013. http://hdl.handle.net/10443/1837.

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Glaciers are a major component of the global climate system, adjusting to changes in climate over a range of timescales. Knowledge of the dynamics of contemporary glaciated landscapes will allow accurate reconstruction of glacier margin fluctuations within the landform and sedimentary record as well as predictions of the response of ice-marginal landscapes to future glacier margin fluctuations. Existing models of ice-marginal, proglacial landscape evolution focus primarily on landforms generated in response to single, relatively short-lived, highmagnitude large-scale events such as glacier surges or glacier outburst floods (jökulhlaups). Observations of these events have frequently been restricted to short time windows (days to several years) or inferred from stratigraphic sections and are therefore subject to misinterpretation. Relatively little research has been undertaken on the development of icemarginal and proglacial landscapes over decadal time-scales (101-102 years). This study examines the controls on the evolution of the ice-marginal landscape of Skeiðarárjökull over a decadal timescale. Skeiðarárjökull is a temperate, surge-type, piedmont outlet glacier located in south-east Iceland. Skeiðarárjökull, and its outwash plain Skeiðarársandur, have been subject to numerous surges and jökulhlaups and post-depositional modification due to the melt out of buried glacier ice, providing a valuable modern process-form analogue for landscape evolution at Pleistocene ice sheet margins. Digital Elevation Models (DEMs) were extracted from the aerial photographs taken at intervals over the past six decades to quantify the rate of landscape change over decadal time periods. This data, when combined with observations from aerial photographs of numerous suites of large-scale sub- and englacial features exposed by the glacier's recession permits models of the long-term response of proglacial regions to surges, jökulhlaups and glacier margin recession to be tested. This study developed a holistic model to describe the interdependence of glacier margin fluctuations, jökulhlaups and post-depositional modification and their impact on sandur evolution.
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2

Robinson, Zoe P. "The geochemistry and behaviour of shallow groundwater inan Icelandic sandur." Thesis, Keele University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275243.

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3

Hägglund, Tove. "Lycksabäcken, ett riksintresse med komplext deglaciationsförlopp : Presentation av ett möjligt scenario över deglaciationen i området." Thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-46819.

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The area of Lycksabäcken northwest of Lycksele is a national interest of natural conservation because of its geological values with many unique landforms. Many of these landforms indicate that the deglaciation process in the area was very complex. However, the deglaciation process in the area has not previously been fully understood. The aim is to add to the knowledge of the events that took place during the last deglaciation. To do this, the glaciofluvial landforms in the area were mapped by studying aerial photographs with a Wild Aviopreter and a five-day field inventory of key areas for the interpretation. These landforms were then transferred to a map in ArcGIS in which scenarios of the deglaciation were constructed. The inversion from landform pattern to a scenario of the deglaciation was based on seven general assumptions and the attempt to create the least complex explanation of the origin of these landforms. The results show that the valley of Umeälven must have been blocked at least three times during the deglaciation in the area, which lead to a redirection of the meltwater flow into the area of Lycksabäcken. There, dead ice played a major role in the formation of the glaciofluvial landforms by damming lakes which enabled delta formation, the formation of many meltwater channels and a large sandur. During the field inventory a large amount of preglacially weathered rock surfaces was found in the area which would be interesting to investigate further.
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4

Fay, Helen. "The role of ice blocks in the creation of distinctive proglacial landscapes during and following glacier outburst floods (jokulhlaups)." Thesis, Keele University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391221.

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The role of ice blocks in the creation of distinctive proglacial landscapes during and following glacier outburst floods (jökulhlaups) In recent years, it has been recognised that ice blocks form a major component of jökulhlaups. There are, however, very few published hypotheses of ice-block impact during and following jökulhlaups. The November 1996 jökulhlaup in southern Iceland, which transported ice blocks as large as 55 metres in diameter on to Skeioarärsandur, provided an opportunity to study ice-block impact produced during a high-magnitude flood. This thesis aims to (i) determine the impact of ice blocks on the morphology and sedimentology of proglacial river channels during and following a jökuihlaup, and (ii) provide a model which links distinctive landscapes created by ice blocks with specific controls on ice-block impact. A range of ice-block related features are produced during and following a jökulhlaup reflecting glacial and topographical constraints, ice-block characteristics and jökulhlaup hydraulics. In locations where sediment flux remains high throughout a flood, large ice blocks form kettle-scours. Rapid sediment deposition around ice blocks results in the formation and preservation of antidune stoss sides, entirely aggradational ice block obstacle shadows and hummocky topography. The grounding of ice blocks in flows of low sediment concentration or total exhumation of buried ice blocks results in the formation of classic U-shaped obstacle marks. Where channel geometry abruptly expands ice-block berms form. On outwash fans kettle holes and obstacle marks occur in distinct clusters. 11 Kettle holes form post-flood by the in situ melt of (1) progressively buried ice blocks and (2) small ice blocks incorporated into flow deposits. Ice block debris is superimposed onto obstacle marks and kettle holes and deposited on the post-flood streambed to form rimmed kettle holes and obstacle marks and ice-block till mounds respectively. Knowledge of associations between ice blocks and the bedforms and facies produced during and following a jökulhlaup will aid jökulhlaup identification and reconstruction in modern and ancient proglacial environments.
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5

Tabar, Hassan. "Le santur iraniens et ses maîtres : une approche organologique et ethnomusicologique." Thesis, Paris 4, 2011. http://www.theses.fr/2011PA040274.

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La cithare à cordes frappées est apparue en Orient et en Occident vers le XVe siècle.Cet instrument ne figure pas sur les miniatures persanes anciennes avant l’époque Qâjâr (1786-1925), si bien que son apparition dans la musique savante pourrait être relativement tardive ; il est donc bien difficile d’affirmer quoique ce soit sur la date et le pays d’origine de l’instrument.Tandis que le luth târ était l’instrument majeur, le nombre de joueurs de santour était très restreint jusqu’à la fin du XIXe siècle, et nous ignorons le contenu de leurs répertoires.Le plus ancien joueur de santour connu est Mohammad Hasan Khân. Il vivait au milieu du XIXe siècle.Avant 1940 il n’y avait pas de luthier spécialisé, et les instruments étaient fabriqués par des fabricants de luths târ et setâr.Si Habib Somâ’i (1905 – 1946) fut le dernier d’une longue chaîne traditionnelle, Farâmarz Pâyvar (1932 – 2009) est sans conteste le premier d’une nouvelle génération. La génération actuelle, ceux nés dans les années 1980, préfère quant à elle la composition à l’occidentale à la pratique du répertoire radif.Pour le santour, il semble qu’aujourd’hui le radif de Sabâ soit le plus approprié et ceci pour trois raisons : Sabâ a commencé à écrire son radif pour les joueurs de santour ; Sabâ était aussi un joueur de santour, élève de Ali Akbar Shâhi et Somâ’i ; enfin, dans son entreprise, Sabâ fut aidé par Pâyvar qui était déjà un musicien confirmé.L’étude organologique, comprenant description de l’instrument et de sa facture, est complétée par une histoire de son enseignement. L’étude musicologique s’appuie sur la transcription d’enregistrements historiques
The hammered zither appeared in the East and the West in the 15th century. But the santur is not pictured in ancient Persian miniatures before the Qajar period (1786 – 1925), so that its appearance in Persian art music may have come relatively late. It is however quite difficult to speak with any certainty of the time or place of the santour’s origin.The târ lute has long been the major Iranian instrument, whereas the number of santur players was limited. We know nothing about the content of their repertories before the end of the 19th century.The oldest known santour player is Mohammad Hasan Khân, better known by the nickname of Santour Khan. He lived in the middle of the 19th century.Before 1940, there was no specialized santur makers and the instruments were made by lute makers who built primarily târs and setârs. After this date, some of these started specializing in santurs.If Soma’i (1905 – 1946) was the last in a long line of an ancient tradition, Pâyvar (1932 – 2009) was without doubt the first master of a new generation. This new generation of santur players (born in the 1980s) prefer Western composition to the practice of the radif.Today it would seem that the radif of Sabâ is the most appropriate one for the santour, for three reasons: Sabâ started to write his radif for santur players; he was himself a santur player (student of Ali Akbar Shâhi and Soma’i); Sabâ was assisted by Pâyvar, who was already an accomplished santur player.The organological study, including description of the instrument and its building, is completed by an history of the teaching of the radif. A musicological study presents analyses based on historical recordings and their transcriptions
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6

Müller-Kelwing, Karin. "Curt Sander." Böhlau Verlag, 2020. https://slub.qucosa.de/id/qucosa%3A75069.

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7

Tickes, Barry. "Sandbur Control in Alfalfa." College of Agriculture, University of Arizona (Tucson, AZ), 1992. http://hdl.handle.net/10150/201387.

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EPTC IO percent granules, Trifluralin 10 percent granules and Poast were evaluated for southern sandbur (cenchrus echinatus) control. Trifluralin resulted in variable control ranging from 90 percent down to 55 percent. EPTC produced good but sometimes varied control when applied in February, prior to the germination of the weeds, and repeated in April, June and July. Poast was effective postemergence only when applied to small seedlings. It was ineffective when applied to established sandbur.
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8

Sander, Bertil [Verfasser]. "Schattenrecht der Schwarzarbeit / Bertil Sander." Frankfurt : Peter Lang GmbH, Internationaler Verlag der Wissenschaften, 2015. http://d-nb.info/1080456627/34.

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9

Weitzel, David L. "Status and ecology of walleye (Sander vitreus) and sauger (Sander canadense) in the Wabash River, Indiana." Virtual Press, 2004. http://liblink.bsu.edu/uhtbin/catkey/1286768.

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This study has presented a comprehensive overview of the status and ecology of walleye and sauger in the Wabash River, Indiana. Populations of walleye and sauger are relatively low in numbers. Both species exhibited a trend of increased abundance with river km from the mouth of the Wabash River. Summer walleye habitat use and movements were examined in the upper Wabash River. Walleye preferred run habitat over riffle or pool habitat. Lateral position, substrate use, and mean depth appeared to be influenced by discharge. Movements were generally short and occurred within a relatively small home range of 1.7 km. The population size limits the fisheries potential for walleye and sauger in the Wabash River mainstem. The upper Wabash River supports higher abundances of these species than the middle Wabash River and may provide a focal point for future management efforts.
Department of Biology
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10

Žoramskė, Inga. "UAB „“Sander Baltic“ aprūpinimo sistemos tobulinimas." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2009. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2009~D_20091125_160233-95157.

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Įmonių praeities pasiekimai yra menkaverčiai dėl dabartinės rizikos veiksnių, rinkos nepastovumo, ekonominio neapibrėžtumo. Šiuolaikinių įmonių dominavimas rinkoje remiasi logistine sistema, gebančia prisitaikyti prie aplinkos pokyčių, gebančia balansuoti tarp „sveiko proto“ ir greito, operatyvaus reagavimo laiku į besikeičiančią pasaulinę verslo aplinką. Tai įpareigojo įmones ieškoti naujų veiklos efektyvumo didinimo būdų ir paskatino verslą atsigręžti į aprūpinimą bei aprūpinimo sistemų valdymą. Šiuo metu aprūpinimo valdymo problemų sprendimas yra vienas iš dažniausiai nagrinėjamų klausimų įmonėse ir organizacijose. Šio darbo tikslas: išnagrinėti mokslinius šaltinius aprūpinimo tema ir išsiaiškinti aprūpinimo reikšmę šiuolaikiniam verslui. Darbe buvo atlikta UAB „Sander Baltic“ aprūpinimo sistemos analizė, norint suformuluoti ir pateikti projektinį sprendimą įmonės aprūpinimo sistemos veiklos tobulinimui. Magistrinis darbas susideda iš trijų dalių. Pirmoje darbo dalyje yra nagrinėjama aprūpinimo reikšmė ir vaidmuo šiuolaikiniame versle. Aptarta aprūpinimo samprata, aprūpinimo sistemų taikymo ypatumai bei problemos. Antroje dalyje pateikiama UAB „Sander Baltic“ aprūpinimo sistemos analizė. Įmonės veiklos specifika yra labai svarbus aspektas numatant tolesnes aprūpinimo sistemos tobulinimo kryptis, kurios yra pateikiamos trečiojoje darbo dalyje. Pastarojoje dalyje taip pat yra analizuojami atlikto tyrimo rezultatai, vertinantys esamą aprūpinimo sistemą ir nurodantys jos... [toliau žr. visą tekstą]
Achievements of the past became of low value in the context of nowadays risk factors, instability of the market, economical indeterminacy. Domination of the companies in the market is now based upon the logistics system capable of adapting to external changes, capable of balancing between rational thinking and timely rapid response to the changing environment of the global trade. This obliged the companies to search for new ways of increasing efficiency and encouraged them to spotlight the supply and supply system management. Solving the problems related to supply management is one of the biggest concerns of the companies and organizations nowadays. The goal of this work: to analyze the scientific articles dealing with the supply topic and to determine the significance of supply to the modern trade. The supply system analysis of company “Sander Baltic” Ltd. has been performed with goal to formulate and propose project solution of company’s supply system improvement. Master degree thesis consists of three parts. In the first part of the work importance and role of the supply in modern trade is analyzed. Conception of supply, peculiarities and problems of supply systems are discussed. The supply system analysis of company “Sander Baltic” Ltd. is presented in the second part of the work. Peculiarity of the company work is very important aspect in scheduling directions of supply system improvement which are presented in the third part of the work. Results of the research... [to full text]
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11

Sander, Charlotte [Verfasser]. "Die Zerrüttung des Arbeitsverhältnisses / Charlotte Sander." Frankfurt : Peter Lang GmbH, Internationaler Verlag der Wissenschaften, 2016. http://d-nb.info/1090773315/34.

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12

Sander, Björn [Verfasser]. "Dignitätsbeurteilung von gastrointestinalen Stromatumoren / Björn Sander." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2021. http://d-nb.info/1238897150/34.

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13

Sander, Matthias [Verfasser]. "Gemeindeeinkommensteuer - Theoretische Beurteilung und Ausgestaltungsmöglichkeiten / Matthias Sander." Aachen : Shaker, 2004. http://d-nb.info/1172615683/34.

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14

Sander, Jürgen H. A. [Verfasser]. "Normtatsachen im Zivilprozeß. / Jürgen H. A. Sander." Berlin : Duncker & Humblot, 2019. http://d-nb.info/1238280293/34.

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15

Sander, Elizabeth J. "Kinematic demands of nucleus arthroplasty technology." View the abstract Download the full-text PDF version, 2008. http://etd.utmem.edu/ABSTRACTS/2008-044-Sander-index.htm.

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Thesis (M.S.)--University of Tennessee Health Science Center, 2008.
Title from title page screen (viewed on February 24, 2009). Research advisor: Denis DiAngelo Ph.D. Document formatted into pages (viii, 59 p. : ill.). Vita. Abstract. Includes bibliographical references (p. 42-46).
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Sander, David Justin. "Use of CVM stages in assessment of young orthodontic patients to estimate growth potential." View the abstract Download the full-text PDF version, 2009. http://etd.utmem.edu/ABSTRACTS/2009-019-Sander-index.htm.

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Thesis (M.S.)--University of Tennessee Health Science Center, 2009.
Title from title page screen (viewed on September 18, 2009). Research advisor: Edward F. Harris, Ph.D. Document formatted into pages (x, 96 p. : ill.). Vita. Abstract. Includes bibliographical references (p. 89-95).
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Sykes, Claire L. "August Sander and the task of the photographer." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ39891.pdf.

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18

Sander, Bernhard [Verfasser]. "Qualitätsorientiertes Management der Entwicklung investiver Dienstleistungen / Bernhard Sander." Aachen : Shaker, 2007. http://d-nb.info/1164338587/34.

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19

Sander, Heiko [Verfasser]. "Pflegezeit und Familienpflegezeit aus arbeitsrechtlicher Sicht / Heiko Sander." Frankfurt a.M. : Peter Lang GmbH, Internationaler Verlag der Wissenschaften, 2018. http://d-nb.info/1161045961/34.

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20

Sander, Friederike [Verfasser]. "Anwendung maßgeschneiderter poröser Adsorbentien in Enzymaufreinigungsprozessen / Friederike Sander." Hannover : Technische Informationsbibliothek und Universitätsbibliothek Hannover (TIB), 2014. http://d-nb.info/1065396961/34.

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21

Lorin, Claude. "Sandor Ferenczi : de la médecine à la psychanalyse." Paris 10, 1992. http://www.theses.fr/1992PA100058.

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Le tome I consiste en l'établissement de la biographie du jeune Ferenczi : enfance, vie de famille, adolescence, formation médicale à vienne. Quatre caractéristiques de la pratique de Ferenczi psychanalyste, élève et ami de Freud, sont étudiées. Suivent huit scolies se rapportant aux textes inédits du Ferenczi des années 1899-1908, ou sont mis en évidence : la découverte de l'inconscient, les questions du vrai, du beau et du bien clinique, les notions d'événement, de processus et de structure, la logique de la paralysie, ainsi que l'affrontement entre médecine romantique et médecine d'organe. Le tome II met l'accent sur l'apport théorique, méthodologie et thérapeutique de Ferenczi devenu psychanalyste. L'œuvre de ses principaux disciples (Balint, Eoheim, Klein, Winnicott, spitz. . . ) précède une contribution originale à la découverte des textes inédits. Le tome III est constitué par l'ensemble des "écrits de Budapest", dans leur version intégralement traduite en français
The first volume develops the biography of the young Ferenczi: childhood, family life, adolescence and medical training in Vienna. Four characteristics concerning the future psychoanalyst's practice, pupil and friend of Freud, are studied. Eight commentaries on Ferenczi's unpublished texts from the period 18991908 follow which relate his discovery of the sub-conscious and discuss the questions of truth, beauty and good. The discovery of notions of event, process and structure, the logic of paralysis, as the contradictions between romantic medicine and organic medicine. The second volume concentrates on Ferenczi's theorical, methodological and therapeutic contribution. The works of Ferenczi’s disciples are presented. Finely, a contribution of discovery of unpublished works is regrouped in the third volume
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22

Jaksche, Vera [Verfasser], Dirk [Akademischer Betreuer] Sander, and Bernhard [Akademischer Betreuer] Hemmer. "Beeinflussung kognitiver Funktionen durch Thrombendarteriektomie bei Stenosen der Arteria carotis interna / Vera Jaksche. Gutachter: Bernhard Hemmer ; Dirk Sander. Betreuer: Dirk Sander." München : Universitätsbibliothek der TU München, 2012. http://d-nb.info/1031514279/34.

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Sadikovic, Suwad [Verfasser], Dirk [Akademischer Betreuer] Sander, and Hans-Henning Georg Ulrich [Akademischer Betreuer] Eckstein. "Mikroembolisignale bei Patienten mit ischämischem Schlaganfall oder TIA / Suwad Sadikovic. Betreuer: Dirk Sander. Gutachter: Hans-Henning Georg Ulrich Eckstein ; Dirk Sander." München : Universitätsbibliothek der TU München, 2016. http://d-nb.info/1091562121/34.

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Chan, Lee Lee L. "Fuzhou Tone Sandhi /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 1998. http://wwwlib.umi.com/cr/ucsd/fullcit?p9935444.

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25

Menenteau, Sandra Chauvaud Frédéric. "Dans les coulisses de l'autopsie judiciaire cadres, contraintes et conditions de l'expertise cadavérique dans la France du XIXe siècle /." [Poitiers] : [I-médias], 2009. http://theses.edel.univ-poitiers.fr/theses/2009/Menenteau-Sandra/2009-Menenteau-Sandra-These.pdf.

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Menenteau, Sandra. "Dans les coulisses de l'autopsie judiciaire : cadres, contraintes et conditions de l'expertise cadavérique dans la France du XIXe siècle." Poitiers, 2009. http://theses.edel.univ-poitiers.fr/theses/2009/Menenteau-Sandra/2009-Menenteau-Sandra-These.pdf.

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Au XIXe siècle, la médecine légale se constitue comme une science à part entière. Dès 1795, après la réorganisation de l'enseignement médical, elle est intégrée à la formation des docteurs en médecine. Les magistrats considèrent que chaque médecin est capable de réaliser une autopsie médico-légale. Loin de structures adaptées, les médecins experts ordinaires doivent répondre aux attentes et questions des magistrats sur les causes du décès. Les conditions matérielles dans lesquelles ils effectuent les examens cadavériques sont peu conformes aux critères établis par la littérature spécialisée. Les médecins experts doivent s'adapter et improviser en fonction de la situation. De plus, leur participation à une procédure judiciaire constitue un risque professionnel et personnel. Mais, l'autopsie judiciaire est l'activité cadavérique qui offre le plus de libertés opératoires à ses praticiens. Réglementations, interdits et réticences populaires sont levés face à l'autopsie médico-légale
In the 19th century, forensic medicine is formed as a full science. From 1795, after the reorganization of medical education, it is included into the teaching for the doctorate of medicine. Judges consider each physician is able to carry out a forensic autopsy. Far from suitable structures, ordinary medical experts have to answer the judges' expectations and questions about the causes of death. They perform post mortem examinations in material conditions that are not in accordance with the criteria established by literature. Medical experts have to get used to the situation and to improvise. Moreover, their participation in legal proceedings is a professional and a personnel hazard. However, forensic autopsy offers more technical freedom than other post mortem activities. Forensic autopsy lifts all the regulations, the bans and the popular reluctances
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27

Sander, Torsten [Verfasser]. "On simply structured bases of graph eigenspaces / Torsten Sander." [Clausthal-Zellerfeld] : [Univ.-Bibliothek], 2009. http://d-nb.info/997062517/34.

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Sander, Oliver [Verfasser]. "Multidimensional coupling in a human knee model / Oliver Sander." Berlin : Freie Universität Berlin, 2008. http://d-nb.info/1023331233/34.

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Schäfer, Fabian. "Reproductive management and gamete quality in pikeperch (Sander lucioperca)." Doctoral thesis, Humboldt-Universität zu Berlin, Lebenswissenschaftliche Fakultät, 2016. http://dx.doi.org/10.18452/17636.

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Der Zander (Sander lucioperca) hat großes Potential für die Aquakultur in Europa. Die Verbreitung wird durch einen Mangel an Satzmaterial erschwert, welcher durch Variabilität der Gametenqualität verursacht wird. Im Gegensatz zu Effekten der ganzjährigen Reproduktion oder der Laicherfahrung, war besonders die Weibchengröße mit Variabilität der Eiqualität assoziiert. Sehr große Weibchen zeigten einen verringerten Reproduktionserfolg. Maternale Faktoren waren mit Aspekten der Eizusammensetzung (bes. Fettsäuren) verknüpft, welche wiederum mit Befruchtungsraten und Embryoüberleben korrelierten. Zusätzlich waren Trockengewicht, Cortisolgehalt und Größe der Eier mit der Fekundität und dem Entwicklungspotential der Eier verknüpft. Ein erheblicher Anteil der Variabilität in der Eientwicklung (47.1% Befruchtung; 58.2% 24 h, 47% 48 h, 43.9% 72 h Embryoüberleben; 46.6% Schlupf; 88.9% geschlüpfte Larven) konnte durch eine Kombination von maternalen Merkmalen und Eiparametern erklärt werden. Obwohl ein hoher Befruchtungserfolg (durchschnittlich 89.2%) verzeichnet wurde, gibt es Möglichkeiten um Befruchtungsprotokolle hinsichtlich der Handhabung männlicher Gameten beim Zander zu optimieren. Die Spermien verschiedener Männchen werden häufig vor der Befruchtung zusammengeführt (Pooling) oder kurz Zeit (Stunden) gelagert bis ovulierte Eier zur Verfügung stehen. Ein Verlust der Spermienqualität (Motilität, Geschwindigkeit) während kurzer Lagerung konnte durch Puffer oder die Zugabe von Melatonin bzw. Progesteron nicht verhindert werden. Die Transfusion von Seminalflüssigkeit zwischen Spermien mit niedriger und hoher Qualität resultierte in einer Abnahme bei Männchen mit anfänglich hoher Spermiengeschwindigkeit. Die Qualität von Spermien mit niedriger Qualität wurde nicht gesteigert. Diese Erkenntnisse liefern Empfehlungen für das Management von Brutbetrieben und zeigen Potential zur Optimierung von Reproduktionsprotokollen bezüglich der in vitro Befruchtung beim Zander auf.
The pikeperch (Sander lucioperca) has great potential for European aquaculture diversification, but the propagation is impeded by a shortage of stocking material caused by variability in gamete quality. Here, maternal size rather than out-of-season spawning or spawning experience was associated with variability in egg quality with very large females showing decreasing reproductive performance. Maternal factors were linked to the egg composition mainly in regard to fatty acid (FA) profiles, which in turn were correlated with rates of fertilization and embryo survival. In addition, egg size, dry weight and cortisol content were associated with fecundity and embryo survival until hatching. Consequently, a substantial variability in egg developmental performance could be explained (47.1% fertilization; 58.2% 24 h, 47% 48 h, 43.9% 72 h embryo survival; 46.6% hatching; 88.9% hatched larvae) by a combination of maternal traits and egg quality parameters. Despite the overall high fertilization observed here (89.2% on average), there is still potential for fine tuning of protocols for in vitro fertilization in pikeperch with regard to the management of male gametes. Sperm of different males is often pooled prior to fertilization or stored for short periods (hours) until ovulated eggs become available. A loss of sperm quality (motility, velocity) could not be prevented during short-term storage using sperm extenders and enhancement supplements (melatonin, progesterone). Transfusion of seminal fluid between low and high quality sperm to assess pooling effects resulted in a significant decrease in sperm with high initial velocity, whereas the velocity of low quality sperm could not be improved. These findings deliver valuable management advice for hatcheries and indicate potential for optimization in regard to in vitro reproduction protocols in pikeperch.
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Costa, Paolo [Verfasser], Wolfram [Gutachter] Sander, and Patrick [Gutachter] Nürnberger. "Solvation of arylcarbenes / Paolo Costa. Gutachter: Wolfram Sander ; Patrick Nürnberger." Bochum : Ruhr-Universität Bochum, 2016. http://d-nb.info/1102525030/34.

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Sander, Fabian [Verfasser]. "From Self Assembled Monolayers to Clickable Gold Nanoparticles / Fabian Sander." München : Verlag Dr. Hut, 2014. http://d-nb.info/106322229X/34.

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Wölfel, Alexander [Verfasser], and Sander van [Akademischer Betreuer] Smaalen. "Superstructures of Magnetic Materials / Alexander Wölfel. Betreuer: Sander van Smaalen." Bayreuth : Universität Bayreuth, 2013. http://d-nb.info/1059352788/34.

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Noohinejad, Leila [Verfasser], and Smaalen Sander [Akademischer Betreuer] van. "Aperiodic Molecular Ferroelectric Crystals / Leila Noohinejad ; Betreuer: Sander van Smaalen." Bayreuth : Universität Bayreuth, 2016. http://d-nb.info/1121674593/34.

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34

Egersten, Linda, and Malin Johansson. "Tal och skrift i Sandor slash Ida ur två perspektiv." Thesis, Södertörn University College, School of Discourse Studies, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:sh:diva-2086.

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Sander, Amrei [Verfasser]. "Literalsinnorientierte muslimische und christliche Konvertitinnen im interreligiösen Vergleich / Amrei Sander." Göttingen : V&R Unipress, 2019. http://www.v-r.de/.

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36

Bekeschus, Sander [Verfasser]. "Effects of cold physical plasma on human leukocytes / Sander Bekeschus." Greifswald : Universitätsbibliothek Greifswald, 2015. http://d-nb.info/1072492830/34.

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Rossi, Paulo José. "August Sander e Homens do século XX: a realidade construída." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/8/8132/tde-28042010-095602/.

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O fotógrafo alemão August Sander (1876-1964) foi autor de uma das mais apreciadas obras fotográficas do século passado, Homens do século XX (HHSX), um projeto de fotografia documental de grande envergadura, iniciado na década de 1920, composto basicamente por retratos, por sua vez organizados segundo o critério de classificação de tipos da sociedade elaborado pelo próprio fotógrafo. Alguns dos retratos são descritos neste trabalho pormenorizadamente a fim de encontrar nas suas propriedades visíveis indicações referentes aos esquemas de percepção que Sander empregava em sua visão de mundo. As análises dessas imagens são confrontadas com os critérios de classificação por ele adotados e articuladas a um manancial de informações relacionado ao ambiente fotográfico da época, ao contexto sócio-político da Alemanha e à biografia do fotógrafo. Este procedimento levou à hipótese central da pesquisa: mais do que representações de tipos sociais, como de fato acreditava Sander, HSXX é antes um conjunto de estereótipos no sentido de seus retratos serem realidades construídas que correspondem a um modo de percepção social. Enquanto à percepção do real, a maioria dos retratos corresponde a estereótipos pré-concebidos socialmente. O presente estudo parte do princípio de que Homens do século XX é a narração da interpretação de Sander sobre aquele período histórico da Alemanha. Deste ponto de vista, a análise empreendida não interpreta somente a obra, mas também interpreta a interpretação circunstanciada daquele que a concebeu. Não se trata, portanto, de um estudo sobre os fatos narrados, mas sim sobre a forma como Sander os narrou, sua percepção do mundo inscrita na interpretação que ele faz do real circunstanciada por diversos fatos sociais.
The German photographer August Sander (1876-1964) was the author of one of the most appreciated photographic work from last century, Man in the Twentieth Century, a vast documental photography project, started in the 1920s, basically composed by portraits, organized by the author according to societys kinds of occupations. Some of the portraits are described here in detail in order to find in its visible proprieties, indications related to the aspects of perception which Sander used in his view of the world. The analysis of those images are confronted with the classification criteria adopted by him and articulated with several pieces of information related to the photographic environment from that time, to the German social political context and to the photographers biography. This procedure took us to the researchs central hypothesis: more than representations of social types, as Sander believed, Man in the Twentieth Century is a whole of stereotypes in the sense that his portraits are constructed realities that correspond to a kind of social perception. As for the perception of the real, most of the portraits correspond to the stereotypes that are socially understood. The current study essentially states that Man in the Twentieth Century is the narration of Sanders interpretation about that German historic period. From this point of view, the analysis done not only interprets the art work, but also interprets the circumstanced interpretation from the one who idealized it. Therefore, it is not a study about the narrated facts, but about the way Sander narrated them, his perception of the world enrolled in the interpretation that he does about the real, circumstanced by several social facts.
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Windler, Melissa [Verfasser], Jürgen [Akademischer Betreuer] Sander, Jürgen [Gutachter] Sander, Werner [Gutachter] Greve, and Brigitte [Gutachter] Lutz-Westphal. "Der Einfluss graphentheoretischer Konzepte im Mathematikunterricht der Grundschule auf psychologische Schülerinnen- und Schülermerkmale / Melissa Windler ; Gutachter: Jürgen Sander, Werner Greve, Brigitte Lutz-Westphal ; Betreuer: Jürgen Sander." Hildesheim : Universität Hildesheim, 2018. http://d-nb.info/1168798442/34.

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Sander, Carsten [Verfasser]. "Kooperationen in der Energiewirtschaft : Eine empirische Analyse kommunaler Energieversorgungsunternehmen / Carsten Sander." Aachen : Shaker, 2011. http://d-nb.info/1070152218/34.

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40

Sander, Mathias [Verfasser], and Matias [Akademischer Betreuer] Bargheer. "Ultrafast tailored strain fields in nanostructures / Mathias Sander ; Betreuer: Matias Bargheer." Potsdam : Universität Potsdam, 2018. http://d-nb.info/1218403969/34.

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Sander, Lotte [Verfasser]. "Entwicklung eines Verfahrens zum Nachweis einer Gefrierbehandlung bei Geflügelfleisch / Lotte Sander." Hannover : Bibliothek der Tierärztlichen Hochschule Hannover, 2017. http://d-nb.info/1150443731/34.

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Dupont, Pierre-Philippe. "Dynamique de population du doré jaune (Sander vitreus) du Lac Mistassini." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24139/24139.pdf.

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Sander, Benno [Verfasser]. "Validation and critical evaluation of the mastocytosis activity score / Benno Sander." Berlin : Medizinische Fakultät Charité - Universitätsmedizin Berlin, 2021. http://d-nb.info/1234982013/34.

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DuFour, Mark R. "Hydroacoustic Quantification of Lake Erie Walleye (Sander vitreus)Distribution and Abundance." University of Toledo / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1483715286731694.

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Jiang, Yonglin. "Timer management in Sandia XTP." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ59328.pdf.

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Seminara, Sergio. "DMA Support for Sancus Architecture." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-249710.

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Computing devices have a predominant role in our lives, changing most of our daily activities. With the advent of the IoT, more and more embedded devices are expected to be connected, with expected numbers around 20 billion of units for the 2020. Nevertheless, the increase in connectivity does not imply an enhancement of security. Programmable devices, especially connected ones, are at risk of being tampered with: recent history has shown many examples of malicious software attacks compromising their security. Considering that embedded device are required to be cheap in terms of resources they are implemented on low-end microcontrollers, which lack of any memory protection technique, making them unsuitable to implement solutions from the high-end world.Hence, researchers have been recently focusing on strategies to provide them with security guarantees that hold even in case of an attacker with full control on the system, including the Operating System (OS). A promising solution is found in Protected (software) Module Architectures (PMAs): security architectures that can execute protected code in an isolated area of the memory, inaccessible to other software. PMAs can support secure execution of small portion of code, the software modules (SMs), even on devices that are, e.g., malware infected. The target architecture of this thesis is Sancus, an open-source, hardware-only PMA, designed for lightweight embedded devices. The objective of the work is to extend the architecture with Direct Memory Access (DMA) support, a feature that provides peripherals with a secondary channel to access the memory without involving the CPU, and to explore what does it entail from a security prospective. Usually lightweight PMAs do not support DMA, as the benefits coming from its inclusion on the system do not comply with security properties of these architectures: protected memory isolation and confidentiality are no longer guaranteed if a secondary channel, that directly access the memory independently from the CPU, is provided. Main achievements of the thesis are to extend the Sancus 2.0 architecture with DMA support, showing how this affects its security properties and providing a secure way to implement DMA. From the discussion of the upcoming chapters, two solutions stood out: the first one is currently implemented on Sancus, and it consists in entirely excluding DMA from accessing protected memory, preserving SMs security guarantees. The second theoretical solution aims to provide the software modules with DMA functionalities, by allowing some security guarantees for a confined regions inside protected memory. The latter solution is discussed in details and some design options are provided, whereas its implementation is deferred as future work.
Datorer har en dominerande roll i våra liv och förändrar de flesta av våra dagliga aktiviteter. Med tillkomsten av IoT förväntas fler och fler inbyggda enheter anslutas, med förväntat antal cirka 20 miljarder år 2020. Ändå innebär ökningen av anslutning inte en ökning av säkerheten. Programmerbara enheter, särskilt anslutna, riskerar att bli manipulerade: de senaste erfarenheterna visar många exempel på skadliga programattacker som äventyrar säkerheten. Inbäddade enheter måste vara billiga när det gäller resurser. Därför implementeras de på low-end mikrokontrollers, som helt saknar stöd för minnesskydd vilket gör dem olämpliga för lösningar från high-end-världen. Därför har forskare nyligen fokuserat på strategier för att ge dem säkerhetsgarantier som håller även i händelse av en angripare med full kontroll på systemet, inklusive operativsystemet (OS). En lovande lösning finns i Protected (Software) Module Architectures (PMA): säkerhetsarkitekturer som kan exekvera skyddad kod i ett isolerat område i minnet, otillgängligt för annan programvara. PMA kan stödja säker exekvering av liten del av koden, mjukvarumoduler (SM), även på enheter som är infekterade och innehåller skadlig programvara. Målarkitekturen för den här avhandlingen är Sancus, en öppen källkod endast för maskinvara-PMA, avsedd för inbyggda lättviktsenheter. Syftet med arbetet är att utöka arkitekturen med DMA-stöd (Direct Memory Access), en funktion som ger perifera enheter en sekundär kanal för att komma åt minnet utan att involvera CPU, och att undersöka vad det medför från ett säkerhetsperspektiv. Vanligtvis ger inte lättvikts-PMA stöd för DMA, eftersom fördelarna som följer av att den ingår i systemet inte överensstämmer med säkerhetsegenskaperna hos dessa arkitekturer: skyddad minnesisolering och konfidentialitet garanteras inte längre om en sekundär kanal, som har direkt åtkomst till minnet oberoende av CPU, tillhandahålls. Huvud-resultatet i avhandlingen är att utöka Sancus 2.0-arkitekturen med DMA-stöd, vilket visar hur det påverkar dess säkerhetsegenskaper och ger ett säkert sätt att implementera DMA. Två lösningar presenteras: den första är för närvarande implementerad på Sancus och består helt och hållet av att DMA inte ska få tillgång till skyddat minne och bevarar säkerhetsgarantier från SM. Den andra teoretiska lösningen syftar till att tillhandahålla mjukvarumoduler med DMA-funktioner, genom att tillåta vissa säkerhetsgarantier för en begränsad region inom det skyddade minnet. Den senare lösningen diskuteras i detalj och vissa designalternativ ges, medan dess genomförande skjuts på framtiden.
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47

Hsieh, Feng-fan. "Relational correspondence in tone sandhi." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/41698.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Linguistics and Philosophy, 2007.
Includes bibliographical references (p. 283-292).
This dissertation proposes that the constraint component of OT grammars should be expanded to include a family of faithfulness constraints that evaluate input-output/output-output mappings for the preservation of gross Fo contours (rising, falling, level) across two or more segments. Following Steriade (2006), I refer to constraints in this family as Relational Correspondence constraints. The central tenet of Relational Correspondence is that phonological processes are shaped by pressure to maintain perceptual similarity between correspondent relations between successive elements, or syntagmatic contrast preservation in the auditory domain Fo, as opposed to paradigmatic contrast preservation according to which the well-formedness of an entity is evaluated with reference to the set of entities it contrasts with. Two types of Relational Correspondence are distinguished in this work: Contour and Slope Correspondence. Contour Correspondence, formulated as RELCORR constraints, assesses correspondence of the phonological height (Fo scaling) relation between successive tones. Four height relations are proposed for the tonal contour: "greater than" (x>y), "less than" (xby Feng-fan Hsieh.
Ph.D.
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48

Wahls, Sander Verfasser], and Thomas [Akademischer Betreuer] [Sikora. "Causality Constraints in Discrete-Time Filter Design / Sander Wahls. Betreuer: Thomas Sikora." Berlin : Universitätsbibliothek der Technischen Universität Berlin, 2011. http://d-nb.info/1016533578/34.

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49

Dey, Somnath [Verfasser], and Sander van [Akademischer Betreuer] Smaalen. "Modulated phases in organic molecular crystals / Somnath Dey ; Betreuer: Sander van Smaalen." Bayreuth : Universität Bayreuth, 2017. http://d-nb.info/112712627X/34.

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50

Marek, Markus [Verfasser], and Wolfgang [Akademischer Betreuer] Sander. "Implementation von e-Learning in der Hochschule / Markus Marek ; Betreuer: Wolfgang Sander." Münster : Universitäts- und Landesbibliothek Münster, 2014. http://d-nb.info/1138281735/34.

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