Relevant bibliographies by topics / Analysis of directionality / Dissertations / Theses
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Dissertations / Theses on the topic 'Analysis of directionality'

Author: Grafiati
Published: 28 June 2021
Last updated: 17 February 2022

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1

Iyun, Oluwatope Ebenezer. "Plant-wide diagnosis : cause-and-effect analysis using process connectivity and directionality information." Thesis, Imperial College London, 2012. http://hdl.handle.net/10044/1/9296.

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Production plants used in modern process industry must produce products that meet stringent environmental, quality and profitability constraints. In such integrated plants, non-linearity and strong process dynamic interactions among process units complicate root-cause diagnosis of plant-wide disturbances because disturbances may propagate to units at some distance away from the primary source of the upset. Similarly, implemented advanced process control strategies, backup and recovery systems, use of recycle streams and heat integration may hamper detection and diagnostic efforts. It is import
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2

Martineau, Eugénie. "Linking single cell directionality to dynamic multicellular transitions in Myxococcus xanthus : a multiscale analysis." Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0089.

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La δ-proteobactérie Myxococcus xanthus est étudiée depuis des décennies pour sa capacité à s’auto-organiser en réponse à des stimuli environnementaux. Cette bactérie colonise des niches écologiques favorables grâce à sa capacité à se mouvoir sur des surfaces. Cette motilité lui permet d’avoir un comportement prédateur envers des organismes proies, alors qu’en absence de nutriments, elle met en place un processus développemental permettant la formation de corps fructifères contenant des myxospores résistant aux stress environnementaux. Tous ces comportements multicellulaires requièrent un contr
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3

Parsa, Amanullah. "EFFECT OF BUILDING ORIENTATION ON STRUCTURAL RESPONSE OF REINFORCED CONCRETE MOMENT RESISTING FRAME STRUCTURES." OpenSIUC, 2020. https://opensiuc.lib.siu.edu/theses/2698.

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In time history analysis of structures, the geometric mean of two orthogonal horizontal components of ground motion in the as-recorded direction of sensors, have been used as measure of ground motion intensity prior to the 2009 NEHRP provision. The 2009 NEHRP Provisions and accordingly the seismic design provisions of the ASCE/SEI 7-10, modified the definition of ground motion intensity measure from geometric mean to the maximum direction ground motion, corresponding to the direction that results in peak response of the oscillator. Maximum direction response spectra are assumed to envelope the
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4

Henebry, Michael Lee. "Biological and Ecological Trait Associations and Analysis of Spatial and Intraspecific Variation in Fish Traits." Thesis, Virginia Tech, 2011. http://hdl.handle.net/10919/33894.

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Traits provide an informative approach to examine species-environment interactions. Often, species-by-species approaches are inefficient to generate generalizable ecological relationships and do not predict species responses to environmental changes based on specific traits species possess. Multiple lines of inquiry and multi-scale approaches are best for assessing environment-trait responses. This thesis examines important questions not specifically addressed before in traits-based research. Chapter one explores biological and ecological trait associations incorporating ontogenetic diet shift
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5

Appel, Jan Kristoffer [Verfasser]. "Particle Flux Directionality and other Aspects of the Martian Radiation Environment: An Analysis of MSL/RAD Observation Data and Simulation Data / Jan Kristoffer Appel." Kiel : Universitätsbibliothek Kiel, 2019. http://d-nb.info/1176518895/34.

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6

Plišková, Diana. "Analýza směrovosti neuritů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442501.

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Práca je zameraná na navrhnutie vhodnej metódy analýzy smerovosti neuritov. Využité boli snímky neurónov z fluorescenčnej mikroskopie. Pred samotnou segmentáciou bolo potrebné snímky predspracovať, pričom sa postupne využila úprava kontrastu, ostrenie a adaptívna filtrácia pomocou Weinerovského filtru. Jednotlivé návrhy metód segmentácie pozostávali z prostého prahovania, narastaním oblastí a využitím morfologických operácií. Následná analýza smerovosti využívala smer gradientov v obraze. Navrhnutá metóda bola využitá aj ako klasifikátor, ktorý dokázal rozdeliť jednotlivé snímky do skupín podľ
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7

Jeong, Sang Min. "Analysis of Vibration of 2-D Periodic Cellular Structures." Diss., Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/7122.

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The vibration of and wave propagation in periodic cellular structures are analyzed. Cellular structures exhibit a number of desirable multifunctional properties, which make them attractive in a variety of engineering applications. These include ultra-light structures, thermal and acoustic insulators, and impact amelioration systems, among others. Cellular structures with deterministic architecture can be considered as example of periodic structures. Periodic structures feature unique wave propagation characteristics, whereby elastic waves propagate only in specific frequency bands, known as "p
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8

Vecchi, Pierpaolo. "Defect analysis in directionally solidified multicrystalline silicon." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/21177/.

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This project studies how the microstructure and metallic impurities affect the electrical properties of mc-Si wafers, to improve the efficiency and the production yield of photovoltaic solar cells. Dislocations and impurities in silicon are recombination centres that reduce free carrier lifetime and thus efficiency of solar cells. The quality of the material can be improved by finding optimal growth conditions and a threshold value for the contamination that does not compromise the device efficiency. Two sets of p-type mc-Si wafers located at different heights and lateral positions of two di
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9

Angart, Samuel Gilbert. "Microstructure Analysis Of Directionally Solidified Aluminum Alloy Aboard The International Space Station." Thesis, The University of Arizona, 2015. http://hdl.handle.net/10150/595975.

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This thesis entails a detailed microstructure analysis of directionally solidified (DS) Al-7Si alloys processed in microgravity aboard the International Space Station and similar duplicate ground based experiments at Cleveland State University. In recent years, the European Space Agency (ESA) has conducted experiments on alloy solidification in microgravity. NASA and ESA have collaborated for three DS experiments with Al- 7 wt. % Si alloy, aboard the International Space Station (ISS) denoted as MICAST6, MICAST7 and MICAST12. The first two experiments were processed on the ISS in 2009 and 2010.
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10

McAllister, Mark Laing. "Analysis of laboratory and field measurements of directionally spread nonlinear ocean waves." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/28762.

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Surface gravity waves exist in the oceans as multi-directional nonlinear phenomena. Understanding how these two properties interact is intrinsically important in itself. Furthermore, an understanding of this relationship may be used to gain insight into other oceanic phenomena. This thesis first describes an experimental investigation into the relationship between directionality and non-linearity (Part I). This relationship was then used as a tool to estimate the directional spreading of field data (Part II). Experiments have been conducted in which directionally spread focused wave groups wer
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11

Rech, Bryan Andrew. "Thermomechanical analysis of a novel directionally reinforced shape-memory polymer for minimally invasive surgical devices." Connect to online resource, 2008. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1453562.

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12

Trento, Mariana Muchatte. "Estudo de densidade e direcionalidade musicais como recurso para o regente coral e sua performance." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/27/27158/tde-21032019-161846/.

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Esse trabalho tem como objeto o estudo das variações de densidade e seu diálogo com direcionalidade nos processos de composição musical estabelecendo indicações para análise interpretativa. Uma vez que problematizamos os conceitos de densidade e direcionalidade, buscamos estabelecer leituras dessas variáveis tanto quanto ao seu comportamento harmônico, rítmico, contrapontístico, timbrístico, transformações de intensidade, seja vertical ou horizontalmente, quanto à trama psicológico-dramática nas relações entre texto e música, assim como no uso do silêncio. O pensamento metodológico está apoiad
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13

Hausgen, Paul E. "A thermal analysis of an alkali metal thermal to electric converter with geometrically designed interior surfaces exhibiting directionally dependent radiative properties." Diss., Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/16701.

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14

Mirković, Djordje [Verfasser]. "Solidification of AM and AZ magnesium alloys characterized by heat transfer modeled thermal and calorimetric analysis and microsegregation study of directionally solidified microstructure / submitted by Djordje Mirković." [Clausthal-Zellerfeld] : [Univ.-Bibliothek], 2008. http://d-nb.info/989647579/34.

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15

Bansal, Rohan. "Analysis and feedback control of the scanning laser epitaxy process applied to nickel-base superalloys." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/51714.

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Scanning Laser Epitaxy (SLE) is a new layer-by-layer additive manufacturing process being developed in the Direct Digital Manufacturing Laboratory at Georgia Tech. SLE allows for the fabrication of three-dimensional objects with specified microstructure through the controlled melting and re-solidification of a metal powder placed atop a base substrate. This dissertation discusses the work done to date on assessing the feasibility of using SLE to both repair single crystal (SX) turbine airfoils and manufacture functionally graded turbine components. Current processes such as selective laser mel
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16

Tsai, Shang-yu, and 蔡尚祐. "Simulation and analysis of light extraction and directionality for LEDs with micro structures." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/99724718366220512002.

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碩士<br>國立中央大學<br>光電科學研究所<br>97<br>In this thesis, we build the optical model for photon recycling effect of LEDs based on Monte Carlo ray tracing method. According to this model, under different absorption coefficients of the active layer, we analyze the light extraction efficiency with respect to GaN and AlGaInP LEDs. Furthermore, we select two kinds of GaN LED structures such as surface texture of ThinGaN LEDs and patterned substrate of sapphire-based LEDs. Based on these two structures, we analyze the enhancement of the directionality and the light extraction efficiency when the slanted angl
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17

Anjos, Pedro Filipe dos Santos. "Development of a fundus camera for analysis of photoreceptor directionality in the healthy retina." Master's thesis, 2015. http://hdl.handle.net/10362/15618.

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The Stiles-Crawford effect (SCE) is the well-known phenomenon in which the brightness of light perceived by the human eye depends upon its entrance point in the pupil. This physiological characteristic is due to the directional sensitivity of the cone photoreceptors in the retina and it displays an approximately Gaussian dependency which is altered in a number of pathologies. Retinal imaging, a widely spread clinical practice, may be used to evaluate the SCE and thus serve as diagnostic tool. Nonetheless, its use for such a purpose is still underdeveloped and far from the clinical reality. In
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18

Lin, Po-Chang, and 林柏滄. "Vertical Directionality Analysis of Low Frequency Ambient Noise in South China Sea Experiment of ASIAEX." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/68004112398579752157.

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碩士<br>國立中山大學<br>海下技術研究所<br>92<br>This study is based upon the vertical line array (VLA) in South China Sea experiment of the Asian Seas International Acoustic Experiment (ASIAEX), dated from May 3, 2001 to May 16, 2001, in which the ambient noise in shallow water was measured. In this paper, we use the beamforming method to calculate the vertical directionality of ambient noise in shallow water, for discussing the noise source distribution, and environmental effects on vertical directionality. The results show that distant shipping noise was observed near the horizontal angles, and surface noi
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19

Lee, Yu-Heng, and 李雨衡. "An Analysis of Translation Process and Directionality in Chinese-English Translation: A Think-Aloud Protocol Study." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/81001097565663675093.

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碩士<br>國立臺灣師範大學<br>翻譯研究所<br>103<br>This study utilizes think-aloud protocol (TAP) to identify the difficulties facing translators and the strategies they adopt while translating into and out of their mother tongue. Eight participants, including five native speakers of Chinese and three of English, all in the third year of translation training, were asked to complete two translation tasks in both directions while using TAP. Regardless of directions, the result shows that conversion of terms, sentence structures, and collocations are common difficulties. Translation into the mother tongue featur
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20

Lin, Yang-Cheng, and 林泱鉦. "Design of the Reference Sound Source and Analysis of Its Sound Intensity and Directionality for Calibrating Miniature Anechoic Chambers." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/69243541044541981689.

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碩士<br>元智大學<br>機械工程學系<br>98<br>In the calibration of anechoic or semi-anechoic chambers, it is required to have a reference sound source (RSS) to generate a standard noise for testing whether they can meet the ISO international standards. In general, the dimensions of the standard anechoic chamber are relatively too large for testing the small products such as those 3C products. It is better to have smaller chambers for saving the construction cost and reducing occupied space. In the mean time, it also needs a small RSS for calibrating the chambers. This study developed a new type of referenc
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21

Morávek, Martin. "Analýza strukturálních změn nanovlákenných scaffoldů vzhledem k jejich relativnímu prodloužení." Master's thesis, 2016. http://www.nusl.cz/ntk/nusl-344015.

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The goal of this thesis was to find a suitable method for evaluating structural changes of scaffolds as influenced by external mechanical pressure and to verify the validity of hypothesis which assumes a change of directionality of fibers and also thinning of fibers according to the stretching of a scaffold. Assumptions formulated in these three hypothesis were tested on a scaffold with a plasma surface treatment and without any plasma surface treatment. To examine structural changes an electrone microscope was used to observe the surface of scaffolds. Incurred photos were then processed with
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22

Yu-ShyangGuo and 郭祐祥. "Experimental Analysis of Static Magnetic Fieldson the Microstructures of Directionally Solidified Lead-Tin Alloys." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/g9qhd5.

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23

Li-ChiehWu and 吳俐潔. "Experimental Analysis of Control-Parameter Effects on the Solidification Microstructures of Directionally Solidified Lead-Tin Alloys." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/94887257475052376750.

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碩士<br>國立成功大學<br>工程科學系碩博士班<br>101<br>Solidification processes play an important role in the morphology control of microstructures. The morphology of solidification microstructure is difficult to master in a casting process. Accordingly, in the thesis, four experimental models of different heating styles, contact surfaces of copper chill, environment temperatures and casting methods are used to study their effects on the directionally solidified lead-tin alloys. The heating style could affect the grain size. The copper chill supply an axial temperature gradient, which could make columnar grains
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Yu-FanLin and 林宇凡. "Experimental Analysis of Thermal and Solutal Effects on the Microstructure of Directionally Solidified Lead-Tin Alloys." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/3w8q46.

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