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Thematische Bibliographien / Polar parameters / Dissertationen

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Dissertationen zum Thema „Polar parameters“

Autor: Grafiati

Veröffentlicht am 25. Mai 2024

Zuletzt aktualisiert am 31. Juli 2025

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1

Saha, Ujjwal. "Dielectric relaxation parameters of polar liquids from ultra-high frequency conductivity of solutes in non-polar solvents." Thesis, University of North Bengal, 1993. http://hdl.handle.net/123456789/660.

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2

Ramsch, Roland. "Catanionic surfactants in polar cohesive solvents : impact of solvent physical parameters on their aggregation behavior." Toulouse 3, 2010. http://thesesups.ups-tlse.fr/1005/.

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On trouve peu d'études, dans la littérature, sur les tensioactifs (TA) catanioniques - formés d'une paire d'ions entre un TA anionique et un TA cationique - en milieu nonaqueux. Nous avons voulu rationaliser, dans ce travail, le comportement d'agr´egation de ce type de tensioactifs en les étudiant comparativement dans l'eau, dans le formamide, dans le glycérol et dans des mélanges de ces solvants polaires et cohésifs. Nous avons pour ce faire synthétis´e trois différents types de TA catanioniques (alcanoate d'alkylammonium, tétradécanoate de norbornène méthylène ammonium, alcanoate de N-alkyla

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3

Ormbostad, Ingunn. "Relationships Between Persistent Organic Pollutants (POPs) and Plasma Clinical-Chemical Parameters in Polar Bears (Ursus maritimus) from Svalbard, Norway." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for biologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-16823.

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In the present study, clinical-chemical parameters in relationship to persistent organic pollutants (POPs) were investigated in plasma samples from polar bears (Ursus maritimus) captured at Svalbard in 2007. The clinical-chemical parameters examined were: hematocrit (HCT), hemoglobin (HB), aspartate aminotransferase (ASAT), alanine aminotransferase (ALAT), &#947;-glutamyltransferase (GGT), creatine kinase (CK), triglycerides (TG), cholesterol (CHOL), high-density lipoprotein (HDLP), creatinine (CREA), urea, and potassium (K). Altered homeostasis of clinical-chemical parameters in plasma ma

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4

Ranaivomiarana, Narindra. "Simultaneous optimization of topology and material anisotropy for aeronautic structures." Electronic Thesis or Diss., Sorbonne université, 2019. http://www.theses.fr/2019SORUS653.

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Ce travail de thèse s'inscrit dans le cadre de l'allègement des structures aéronautiques. Dans cette optique, d'une part, l’optimisation topologique est une approche pertinente et en plein essor, celle-ci détermine la distribution optimale de matière. D'autre part, les matériaux anisotropes offrent des nouveaux degrés de liberté pour l'optimisation. L’objectif de cette thèse est de développer une méthode d'optimisation permettant de déterminer simultanément la distribution de matière et la distribution d’anisotropie optimales d’une structure 3D utilisant un matériau isotrope transverse. Pour c

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5

Fendri, Ahmed. "Impedimetric Sensor System for Edible Oil Quality Assessment." Universitätsverlag Chemnitz, 2019. https://monarch.qucosa.de/id/qucosa%3A37173.

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The repeated usage of frying oil is hazardous due to the degradation caused by chemical reactions, which happen while heating. The total polar compounds and the free fatty acids are the main two chemical parameters affected by frying. These parameters increase significantly with the use of oil for frying and are reported as reasons for causing serious illnesses like heart diseases. For this purpose, sensor systems for oil quality assessment are necessary. In fact, changes of the composition due to frying leads to variation of its dielectric parameters. This can be measured using a capacit

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6

Chase, Adam Thomas. "Flight Testing Small UAVs for Aerodynamic Parameter Estimation." DigitalCommons@CalPoly, 2014. https://digitalcommons.calpoly.edu/theses/1191.

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A flight data acquisition system was developed to aid unmanned vehicle designers in verifying the vehicle's design performance. The system is reconfigurable and allows the designer to choose the correct combination of complexity, risk, and cost for a given flight test. The designer can also reconfigure the system to meet packaging and integration requirements. System functionality, repeatbility, and accuracy was validated by collecting data during multiple flights of a radio-controlled aircraft. Future work includes sensor fusion, thrust prediction methods, stability and control derivative est

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7

McGaughran, Angela. "Polar eveolution: molecular genetic and physiological parameters of Antarctic arthropod populations : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Molecular Biosciences at the Allan Wilson Centre of Molecular Ecology and Evolution, Institute of Molecular Biosciences, Massey University, Palmerston North, New Zealand." Massey University, 2009. http://hdl.handle.net/10179/1163.

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This thesis is presented as a collection of research papers synthesising knowledge gained during the period of candidacy. Its underlying focus is the examination of evolution from a variety of perspectives for terrestrial arthropods (springtails) in an Antarctic setting. These perspectives include investigation of the ways in which springtail populations respond both physiologically and genetically to environmental variability over historical and contemporary time-scales. While the physiological and genetic may seem two worlds apart, this thesis recognises that, in reality the two are inextric

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Molčan, Vladimír. "Určení prostorových vztahů jeřábové dráhy." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-227104.

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The main theme of this master thesis is the design of technological process measurement and processing of measured data entered crane tracks to determine the geometric parameters of these crane tracks. Diploma thesis further describes the procedure for testing and possible rectification surveying equipment and instrumentation. The thesis is divided of 7 parts, contains 31 images, 4 graphs, 44 tables and 13 attachments. The theoretical part of this thesis contains information about several types of cranes, methods of measurement and processing, as well information on legal and technical regulat

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9

Bernardi, Camila Motta Marin. "Desempenho de progênies e clones de Eucalyptus grandis hill ex. Maiden em sistema silvipastoril." Ilha Solteira, 2018. http://hdl.handle.net/11449/154363.

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Orientador: Miguel Luiz Menezes Freitas<br>Resumo: Neste estudo objetivou-se estimar parâmetros genéticos e estatísticos para caracteres quantitativos nos primeiros seis anos de crescimento de progênies de Eucalyptus grandis em sistema silvipastoril; comparar a produtividade, estabilidade e adaptabilidade das progênies em diferentes idades e mensurar a produção de forragem e as características morfológicas e bromatológicas do capim Urochloa decumbens cv. Basilisk em crescimento livre no sub-bosque das árvores. Foram mensurados a altura (ALT), diâmetro a altura do peito (DAP) e sobrevivência (S

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Zaruma, Darlin Ulises Gonzalez. "Pomar de sementes por mudas em Eucalyptus camaldulensis e Hymenaea stigonocarpa : uma opção para o melhoramento e a conservação genética em espécies arbóreas exóticas e nativas /." Botucatu, 2020. http://hdl.handle.net/11449/192613.

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Orientador: Mario Luiz Teixeira de Moraes<br>Resumo: As espécies florestais possuem grande importância econômica, pois oferecem diversos produtos fundamentais para a sociedade, mas dada a impossibilidade de se separar ações de melhoramento das de conservação de recursos genéticos, técnicas como os testes combinados de progênies e procedências, tanto para espécies exóticas ou nativas, visam a seleção de árvores pelo valor genético e a transformação dos experimentos em PSM (pomares de semente por mudas). Os pomares de sementes são os vetores de produção de sementes de alta qualidade genética, qu

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11

Mirjana, Topić. "Fiziološki aspekti otpornosti hrasta lužnjaka (Quercus robur L.), cera (Quercus cerris L.) i crne topole (Populus nigra L.) u uslovima vodnog deficita." Phd thesis, Univerzitet u Novom Sadu, Prirodno-matematički fakultet u Novom Sadu, 2015. https://www.cris.uns.ac.rs/record.jsf?recordId=95391&source=NDLTD&language=en.

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    U radu je ispitan uticaj vodnog deficita na fiziolo&scaron;ke osobine klonova crne topole ipopulacija hrasta lužnjaka i cera, kao i mogućnost oporavka ovih biljaka nakon ponovnog uspostavljanja optimalnog vodnog režima. Cilj istraživanja je bio da se ukaže na potencijal ispitivanih genotipova topole i hrastova za opstanak u  promenljivim uslovima životne sredine, u skladu sa aktuelnim klimatskim promenama koje uključuju smanjenje količine padavina i ograničenu dostupnost vode. Dobijeni rezultati su pokazali specifično variranje ispitivanih morfo-anatomskih, fiziolo&scaron;ki

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12

Lipková, Alica. "Návrh repliky letounu L-40 "Meta Sokol" - základní rozměry - technologie." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-227920.

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The object of the diploma thesis is a preparation of fundamentals for realization for replica of the aircraft L-40 „Meta Sokol“ matching the requirements of Certification Specification for Very Light Aeroplanes (CS-VLA). The preamble of the work deals with the changes made on the original aircraft necessary to satisfy the criterias of the above-mentioned specification. One of the main contents of the first part of the thesis is the definition of replica’s basic dimensions and preparation of aerostatic fundamentals, including longitudinal stability control. As next a suitable engine is chosen a

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13

Bonan, Bertrand. "Assimilation de données pour l'initialisation et l'estimation de paramètres d'un modèle d'évolution de calotte polaire." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00930097.

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L'évolution des calottes polaires est régie à la fois par une dynamique d'écoulement complexe et par des mécanismes tel le glissement à la base, la température de la glace ou le bilan de masse en surface. De plus, de nombreuses boucles de rétroactions sont constatées entre les différents phénomènes impliquées. Tout ceci rend la modélisation de cette évolution complexe. Malgré tout, un certain nombre de modèles ont été développés dans cette optique. Ceux-ci font tous intervenir des paramètres influents qui dans certains cas sont peu ou pas connus. Ils nécessitent donc d'être correctement spécif

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14

Chen, Shih-Kang, and 陳式康. "Optimum Parameters for Four-Parameter Corresponding-States Principle of Polar Fluids." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/x84j42.

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碩士<br>國立臺北科技大學<br>化學工程研究所<br>95<br>This research was based on a four-parameter generalized correlation equation for saturated vapor pressure by Z. X. Shih who used saturated vapor pressure data, critical temperature and critical pressure of polar fluid to establish a new four-parameter generalized correlation equation by adding a cross term. The reference fluid of cross term was water and methanol. In this research, the saturated vapor pressure data and temperature were taken into this equation and then the new two parameters, ωn and ωp, were obtained by nonlinear regression. The new two param

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15

Yaddanapudi, G. R. Krishna. "Effect of Process Parameters on the Growth of N-Polar GaN on Sapphire by MOCVD." Thesis, 2016. http://etd.iisc.ac.in/handle/2005/2662.

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Group III-Nitrides (GaN, InN & AlN) are considered one of the most important class of semiconducting materials after Si and GaAs. The excellent optical and electrical properties of these nitrides result in numerous applications in lighting, lasers, and high-power/high-frequency devices. Due to the lack of cheap bulk III- Nitride substrates, GaN based devices have been developed on foreign substrates like Si, sapphire and SiC. These technologies have been predominantly developed on the so called Ga-polarity epitaxial stacks with growth in the [0001] direction of GaN. It is this orien

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Yaddanapudi, G. R. Krishna. "Effect of Process Parameters on the Growth of N-Polar GaN on Sapphire by MOCVD." Thesis, 2016. http://etd.iisc.ernet.in/handle/2005/2662.

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Group III-Nitrides (GaN, InN & AlN) are considered one of the most important class of semiconducting materials after Si and GaAs. The excellent optical and electrical properties of these nitrides result in numerous applications in lighting, lasers, and high-power/high-frequency devices. Due to the lack of cheap bulk III- Nitride substrates, GaN based devices have been developed on foreign substrates like Si, sapphire and SiC. These technologies have been predominantly developed on the so called Ga-polarity epitaxial stacks with growth in the [0001] direction of GaN. It is this orien

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17

Liou, Sheng-Shian, and 劉昇弦. "A study of the effect on the Proton Exchange Membrane Fuel Cell by fractal polar plates and control parameters." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/43052570567739945874.

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碩士<br>國立勤益科技大學<br>冷凍空調系<br>99<br>Fuel cell is a type of low pollution and high efficiency energy device, which has the characteristics of the quick start-up, low noise, and long operation life. This research mainly discover the effect of reactive area and the geometry of the membrane electrolyte assembly(MEA) on the proton exchange membrane fuel cell(PEMFC).In addition, the fuel cell performance is further enhanced via the combination of different reactive area MEA and different geometric polar plates. This thesis mainly discover two parts. The first part is the analysis of the effect of the o

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18

Hájková, Anna. "Porovnání funkcí sporttesterů určených pro řízení a kontrolu parametrů pohybu ve vodě." Master's thesis, 2021. http://www.nusl.cz/ntk/nusl-437822.

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Title: Comparison of functions of sports testers designed for control and monitoring of parameters of movement in water Objectives: Comparison and evaluation of individual functions of selected sport-testers in different types of swimming training. Methods: The research group consisted of one probande, a student of Charles University FTVS. In the research, we chose a controlled observation method to detect and compare the individual functions of selected sports testers over three types of swimming training. Results: Based on an analysis of the accuracy of the recording of observed quantities f

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19

WILDING, WADE VINCENT. "A FOUR-PARAMETER CORRESPONDING STATES METHOD FOR THE PREDICTION OF THERMODYNAMIC PROPERTIES OF POLAR AND NONPOLAR FLUIDS." Thesis, 1985. http://hdl.handle.net/1911/15941.

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A four-parameter corresponding states correlation has been developed for the prediction of thermodynamic properties of nonpolar and polar fluids. The property of a fluid is given as a Taylor's series expansion about the simple fluid property at the same reduced conditions in terms of geometric and polar deviations. Three reference fluids are used to evaluate the terms of the series. The first, a simple fluid, and the second, an acentric fluid, are adopted from the Lee-Kesler three-parameter correlation. The third, a polar fluid, is water, represented by the Keenan and Keyes equation of state.

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Shih, Zhuang-Xin, and 施壯欣. "A New Four-Parameter Corresponding States Principle of Nonpolar and Polar Fluids for Saturated Vapor Pressure, Saturated Densities." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/74407500838733463002.

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碩士<br>國立臺北科技大學<br>化學工程系碩士班<br>92<br>For this research, first, The methodology of corresponding states principle (CSP) was used to developed the generalized correlation according to saturated liquid densities experimental data for nonpolar fluids, acentric factor and critical properties for nonpolar substances. Besides, a new extended corresponding-states principle generalized correlation for saturated vapor pressure was developed. This correlation requires four parameters, the critical temperature, the critical pressure, and new two parameters(ωh、ωp). The new two parameters means shape and pol

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21

Muras, Jan. "Analiza pola elektromagnetycznego w nagrzewnicach indukcyjnych ze wzbudnikami wielowarstwowymi." Rozprawa doktorska, 1990. https://repolis.bg.polsl.pl/dlibra/docmetadata?showContent=true&id=3438.

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Muras, Jan. "Analiza pola elektromagnetycznego w nagrzewnicach indukcyjnych ze wzbudnikami wielowarstwowymi." Rozprawa doktorska, 1990. https://delibra.bg.polsl.pl/dlibra/docmetadata?showContent=true&id=3438.

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23

Staszak, Jan. "Analiza pola elektromagnetycznego turbogeneratora dużej mocy z uwzględnieniem rzeczywistej struktury wirnika." Rozprawa doktorska, 1986. https://repolis.bg.polsl.pl/dlibra/docmetadata?showContent=true&id=3591.

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24

Staszak, Jan. "Analiza pola elektromagnetycznego turbogeneratora dużej mocy z uwzględnieniem rzeczywistej struktury wirnika." Rozprawa doktorska, 1986. https://delibra.bg.polsl.pl/dlibra/docmetadata?showContent=true&id=3591.

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25

Przyłucki, Roman. "Wspomaganie komputerowe projektowania nagrzewnic indukcyjnych do wsadów płaskich." Rozprawa doktorska, 1999. https://repolis.bg.polsl.pl/dlibra/docmetadata?showContent=true&id=2958.

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Przyłucki, Roman. "Wspomaganie komputerowe projektowania nagrzewnic indukcyjnych do wsadów płaskich." Rozprawa doktorska, 1999. https://delibra.bg.polsl.pl/dlibra/docmetadata?showContent=true&id=2958.

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