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Dissertations / Theses on the topic 'Non-linear in nature'

Author: Grafiati

Published: 2 June 2025

Last updated: 19 July 2025

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1

French, Mark J. "The nature of the relationship between market orientation and performance." Thesis, Loughborough University, 2011. https://dspace.lboro.ac.uk/2134/8950.

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A review of the literature indicates that a universally enhancing relationship between market orientation and performance is not conclusively supported. Recent research suggests that the relationship between marketing investments and profit may be inverted U-shaped such that there is an optimal level of marketing investments which maximises profit (Mantrala et al 2007). In this study, it is proposed that market orientation has different curvilinear relationships with different types of performance. Using a performance categorisation suggested by Kirca et al (2005), it is theorised that market

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2

Awada, Chawki. "Nature cohérente et incohérente de la réponse de Second Harmonique dans les nanostructures métalliques d’or et d’argent." Thesis, Lyon 1, 2009. http://www.theses.fr/2009LYO10071/document.

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Dans ce travail, les propriétés optiques non linéaires de différentes nanostructures métalliques à base d’or et d’argent sont étudiées. En particulier, une attention particulière est portée à la nature cohérente ou incohérente de la réponse. Pour cela, la technique de la Génération du Second Harmonique (SHG) est employée. C’est en effet l’une des méthodes optiques non linéaires les plus simples pour mettre en évidence cette nature cohérente ou incohérente de la réponse. Les échantillons utilisés pour cette mise en évidence sont constitués d’une part par des films diélectriques dopés par des na

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3

Jatkar, Kasturie. "Non-linear THz conductivity of graphene on a GaAs substrate." Thesis, Uppsala universitet, Institutionen för fysik och astronomi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-421191.

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Terahertz (THz) spectroscopy has found widespread applications in the field of material science. With the development of laser technology, one can generate intense THz beams that allow us to probe materials in the non-linear regime. In this thesis, we used linear and non-linear THz radiation in a spectroscopy setup to measure the conductivity of a graphene sample coated on a semi-insulating gallium arsenide (GaAs) substrate. Different methods of analysis were compared. During this process we studied the optical constants of GaAs and observed their variation with the fields. It was found that t

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4

anderson, kaylee. "Using Linear Mixed Models to Analyze Native and Non-Native Species Abundances in Coastal Sage Scrub." Scholarship @ Claremont, 2016. http://scholarship.claremont.edu/scripps_theses/807.

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Coastal Sage Scrub (CSS) is a low scrubland plant community native to the coasts of California, housing many threatened and endangered species. Due to the invasion of non-native plants, many areas of CSS have type converted to annual grasslands and the fire frequency has accelerated; fire in turn, may facilitate further invasion, leading to a loss of biodiversity. While many studies document post-fire succession in these communities, pre-fire data are rarely available for comparison, especially data on seedling emergence. I analyzed post-fire recovery of a type-converted grassland community, c

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5

Ruellan, Benoît. "Fatigue of natural rubber at different temperatures : reinforcement due to strain-induced crystallization and modelling the non-linear damage evolution." Thesis, Rennes 1, 2019. http://www.theses.fr/2019REN1S058.

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Cette thèse de doctorat s'intéresse au comportement en fatigue du caoutchouc naturel (CN). Les CN présentent des propriétés physiques extraordinaires, typiquement l'habilité de cristalliser sous tension qui est responsable de leur haute résistance en fatigue. La cristallisation sous tension (CST, en français) est un phénomène hautement thermosensible. Mieux comprendre comment la CST renforce la durée de vie et comment la température altère cette propriété est donc un point clef afin d'améliorer la durabilité des élastomères. La présente thèse est divisée en trois parties. La première est dédié

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6

Keller, Titus, and Danny Kowerko. "A web-based application for data visualisation and non-linear regression analysis including error calculation for laboratory classes in natural and life sciences." Universitätsbibliothek Chemnitz, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-229410.

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In practical laboratory classes students traditionally receive data by reading from a measurement device (ruler, clock, voltmeter, etc.) or digitally as files in exchange formats such as CSV (comma separated value). In many cases these data have to be processed later using non-linear regression, here referred to as curve fitting. Therefore, analog data first have to be digitalised and imported to a data analysis and visualisation program, which is often commercial and requires installation. In this paper we present an alternative concept fusing open-source community tools into a single page we

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7

Keller, Titus, and Danny Kowerko. "A web-based application for data visualisation and non-linear regression analysis including error calculation for laboratory classes in natural and life sciences." TUDpress, 2017. https://monarch.qucosa.de/id/qucosa%3A20793.

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In practical laboratory classes students traditionally receive data by reading from a measurement device (ruler, clock, voltmeter, etc.) or digitally as files in exchange formats such as CSV (comma separated value). In many cases these data have to be processed later using non-linear regression, here referred to as curve fitting. Therefore, analog data first have to be digitalised and imported to a data analysis and visualisation program, which is often commercial and requires installation. In this paper we present an alternative concept fusing open-source community tools into a single page we

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8

Chrobok, Viktor. "Optimization of Harvesting Natural Resources." Doctoral thesis, Vysoká škola ekonomická v Praze, 2008. http://www.nusl.cz/ntk/nusl-196942.

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The thesis describes various modifications of the predator-prey model. The modifications are considering several harvesting methods. At the beginning a solution and a sensitivity analysis of the basic model are provided. The first modification is the percentage harvesting model, which could be easily converted to the basic model. Secondly a constant harvesting including a linearization is derived. A significant part is devoted to regulation models with special a focus on environmental applications and the stability of the system. Optimization algorithms for one and both species harvesting are

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9

Agarrallua, Marcio Renato Àvila. "Identificação de substâncias não intencionalmente adicionadas (NIAS) de PELBD expostas a envelhecimento natural e acelerado visando sua utilização em embalagens de alimentos." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2015. http://hdl.handle.net/10183/134564.

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A indústria alimentícia utiliza variados materiais para embalagens, sendo o polietileno de baixa densidade linear (PELBD) um dos materiais de maior importância, por possuir características únicas e adequadas à produção de embalagens. A geração de espécies químicas em embalagens de alimentos vem sendo foco de estudos no mundo. Este controle de compostos é denominado como estudo de Substâncias Não Intencionalmente Adicionadas (NIAS) e tem sua importância justificada pela preocupação com a saúde humana devido à capacidade de contaminação do alimento embalado. Para este estudo foram escolhidas dua

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10

Daoud, Hajer. "Contribution à l'étude du comportement mécanique et vibratoire des composites biosourcés incorporant des matériaux fonctionnels." Thesis, Le Mans, 2018. http://www.theses.fr/2018LEMA1017/document.

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Cette thèse porte sur l’étude du comportement mécanique et vibratoire d’un composite biosourcé incorporant un matériau viscoélastique. Les matériaux étudiés sont des stratifiés en composite lin/greenpoxy et des stratifiés viscoélastiques composés d'un noyau viscoélastique en caoutchouc naturel confiné entre deux composites. La première partie du travail a été consacrée à l’étude de l’influence de l’intégration de la couche viscoélastique sur le comportement mécanique des composites. L’analyse des résultats expérimentaux et l’observation des signaux d’émission acoustique obtenus dans ces compos

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11

Miracoli, Rosalba. "Characterization of microwave discharge ion source for high protom beam production in cw and pulsed mode." Thesis, Università degli Studi di Catania, 2011. http://hdl.handle.net/10761/182.

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This thesis consist of an introduction to the plasma physics of Microwave Discharge Ion Source (MDIS) and a review of the result obtained including discussion of related work. This thesis begin with a theoretical discussion dealing with plasma physics relevant for the production of intense proton beam in MDIS. This is followed by an historical overview on the production of high current beams by the 2.45 GHz microwave ion sources. The experimental part of the work consist of the studies related to MDIS plasma physics. For each source the most important parameters are the maximum beam current an

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12

Cyriac, Praveen. "Tone mapping based on natural image statistics and visual perception models." Doctoral thesis, Universitat Pompeu Fabra, 2017. http://hdl.handle.net/10803/402574.

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Les tècniques d'imatge d'alt rang dinàmic (HDR) potencialment permeten la captura i l'emmagatzematge de tota la informació de llum en una escena. No obstant això, els dispositius comuns de visualització són limitats en termes de les seves capacitats de contrast i brillantor, per tant, les imatges HDR han de ser mapejades tonalment abans de presentar-les en un dispositiu de visualització per assegurar que es reprodueix l'aspecte original de l'escena. En aquesta tesi, es prenen dos enfocaments del problema de mapeig tonal. En primer lloc, es desenvolupa un marc general per a la millora de qualse

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13

Schinn, Song Min. "Cell-Free Synthesis of Proteins with Unnatural Amino Acids: Exploring Fitness Landscapes, Engineering Membrane Proteins and Expanding the Genetic Code." BYU ScholarsArchive, 2017. https://scholarsarchive.byu.edu/etd/6496.

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Unnatural amino acids (uAA) expand the structural and functional possibilities of proteins. Numerous previous studies have demonstrated uAA as a powerful tool for protein engineering, but challenges also remain. Three notable such challenges include: (1) the fitness of uAA-incorporated proteins are difficult to predict and time-consuming to screen with conventional methods, (2) uAA incorporation in difficult-to-express proteins (e.g. membrane proteins such as G-protein coupled receptors) remain challenging, and (3) the incorporation of multiple types of uAA are still limited. In response, we p

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14

Vogelová, Tereza. "Chaos." Master's thesis, Vysoké učení technické v Brně. Fakulta výtvarných umění, 2012. http://www.nusl.cz/ntk/nusl-232326.

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The existing world is becoming more disrupted and is falling apart. For its resurrection and restoration, a new way of thinking is necessary. This new type of thinking is needed to be able to open up its mind and to think about the process of thinking itself; it must understand what is happening in other systems, where processes seem to be taking place by themselves without any other visible interference. First Chaos is the title for an intermedia installation which contains 90 black and white photographs, both digital and analogue, all of which were taken between the years 2008 and 2012. Toge

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15

Hill, Nathan R. "Analysis of non-steady state physiological and pathological processes." Thesis, University of Oxford, 2008. http://ora.ox.ac.uk/objects/uuid:c96c88a6-5dd4-43ce-989b-ac524d2654ea.

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The analysis of non steady state physiological and pathological processes concerns the abstraction, extraction, formalisation and analysis of information from physiological systems that is obscured, hidden or unable to be assessed using traditional methods. Time Series Analysis (TSA) techniques were developed and built into a software program, Easy TSA, with the aim of examining the oscillations of hormonal concentrations in respect to their temporal aspects – periodicity, phase, pulsatility. The Easy TSA program was validated using constructed data sets and used in a clinical study to examine

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16

Huang, Ming-Hui. "Dynamic characteristics of slender suspension footbridges." Thesis, Queensland University of Technology, 2006. https://eprints.qut.edu.au/16450/1/Ming-Hui_Huang_Thesis.pdf.

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Due to the emergence of new materials and advanced engineering technology, slender footbridges are increasingly becoming popular to satisfy the modern transportation needs and the aesthetical requirements of society. These structures however are always &quotlively" with low stiffness, low mass, low damping and low natural frequencies. As a consequence, they are prone to vibration induced by human activities and can suffer severe vibration serviceability problems, particularly in the lateral direction. This phenomenon has been evidenced by the excessive lateral vibration of many footbridges wor

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17

Huang, Ming-Hui. "Dynamic characteristics of slender suspension footbridges." Queensland University of Technology, 2006. http://eprints.qut.edu.au/16450/.

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Due to the emergence of new materials and advanced engineering technology, slender footbridges are increasingly becoming popular to satisfy the modern transportation needs and the aesthetical requirements of society. These structures however are always &quotlively" with low stiffness, low mass, low damping and low natural frequencies. As a consequence, they are prone to vibration induced by human activities and can suffer severe vibration serviceability problems, particularly in the lateral direction. This phenomenon has been evidenced by the excessive lateral vibration of many footbridges wor

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18

Švrček, Jakub. "Třísítný vibrační třídič." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-416620.

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This diploma thesis deals with the design of an inclined three-sided vibrating screen, which is designed for sorting bulk aggregates. The aim of the diploma thesis is primarily to make a construction design with a specific comparison of various design solutions, considering the calculated operating parameters. In the construction design, is used not only the experience of the manufacturer of this type of machine, but also recommendations based on the manu-facturers of screens component. The design also includes a comparison of two types of flex-ible mounting, which is one of the basic structur

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19

Gregor, Petr. "Visutá lávka přes Labe." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2012. http://www.nusl.cz/ntk/nusl-225385.

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The objective of this master´s thesis is a design of suspension footbridge across the Elbe river. The footbridge is suspended construction by three spans. The brick deck is supported on the outer edges and it is kept in a parabolic arc. The suspension cables are kept at two inclined levels. The model is implemented in the program ANSYS. The solution is non-linear. The designe is according to the europien standart.

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20

Černý, Jan. "Visutá lávka pro pěší." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226430.

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The objective of this master's thesis is a design of suspension footbridge. The footbridge is suspended construction of stress ribbon by one span. The brick deck is supported on the edges and it is kept in a parabolic arc. The suspension cables are kept at two inclined levels. The model lengthways is implemented in the program ANSYS, by non-linear solution. The model crosswise is implemented in the program SCIA ENGINEER 2011. The design is according to relevant current standart.

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21

Freitas, Diogo Nuno Teixeira. "Nature-inspired algorithms for solving some hard numerical problems." Master's thesis, 2020. http://hdl.handle.net/10400.13/3010.

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Optimisation is a branch of mathematics that was developed to find the optimal solutions, among all the possible ones, for a given problem. Applications of optimisation techniques are currently employed in engineering, computing, and industrial problems. Therefore, optimisation is a very active research area, leading to the publication of a large number of methods to solve specific problems to its optimality. This dissertation focuses on the adaptation of two nature inspired algorithms that, based on optimisation techniques, are able to compute approximations for zeros of polynomials and

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22

Oskam, Pierre Ijsbrand. "Beyond control: strategies towards design agency in the Anthropocene." Doctoral thesis, 2021. http://hdl.handle.net/10773/33120.

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This thesis provides a moral appeal. It sets out to inspire makers, doers and thinkers to strategically act, beyond control, in knocking at the door of socio-ecological crisis in Anthropocene. What is the role of design in the Anthropocene? What kind of ethical principles can be considered? And what does this imply for ‘response-able’ practices? These questions bind together the non-linear assemblage that this thesis is. Action, reflection, problem and solution are interdependent and unfold together, like the petals of a blooming rose. Complexity may be absorbed with honesty rather than with

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23

João, Simão Meneses. "Non-Linear Optical response with the Kernel Polynomial Method." Dissertação, 2017. https://repositorio-aberto.up.pt/handle/10216/107387.

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João, Simão Meneses. "Non-Linear Optical response with the Kernel Polynomial Method." Master's thesis, 2017. https://repositorio-aberto.up.pt/handle/10216/107387.

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25

Tan, Teu-Chia, and 譚子佳. "On the Investigation of Non-Linear Dynamics for Natural and Force Convections." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/86109504984410856269.

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碩士<br>國立臺灣大學<br>工程科學及海洋工程學研究所<br>93<br>Fluid, heat transferring and electromagnetic field are not only broadly influential but also changeable. In order to discuss these three efficiently, scientific and reasonable approach must be presented. My thesis demonstrates and applies industrial complicated problems and natural convection problem with the systematized numerical simulation, in which we probe into diverse motive force activities. Two topics: (1) Free Convection (2) Force Convection will be discussed in this thesis. Firstly, We study the three-dimensional natural convection problem

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26

Li, Weiling. "Science achievement of non-native English speakers a longitudinal, hierarchical linear modeling perspective /." 2008. http://purl.galileo.usg.edu/uga%5Fetd/li%5Fweiling%5F200812%5Fphd.

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27

Nguyen, Bao. "Essays in the Application of Linear and Non-Linear Bayesian VAR Models to the Macroeconomic Impacts of Energy Price Shocks." Phd thesis, 2017. http://hdl.handle.net/1885/133350.

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This thesis is a collection of five self contained empirical macroeconomic papers on the asymmetric effects of energy price shocks on various economies. Chapter 1 formally determines the number of regime changes in the US natural gas market by employing a MS-VAR model. Estimated using Bayesian methods, three regimes are identified for the period 1980 - 2016, namely, before the Decontrol Act, after the Decontrol Act and the Recession. The results show that the natural gas market tends to be much more sensitive to market fundamental shocks occu

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28

Sipholi, Khwathelani. "Learners' strategies in solving linear programming problems in a non-native language : a case study of a further education and training college in Gauteng." Thesis, 2011. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1000436.

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Thesis (MTech. degree in Education.)--Tshwane University of Technology, 2011.<br>The purpose of this study was to investigate how multilingual further education and training college students solve linear programming tasks presented in the form of word problems. It is well known that students do not perform well in mathematical word problems. The study focused on linear programming, which is a branch of mathematics where questions are mainly presented in the form of word problems. The following questions guided the study: How do multilingual students solve tasks on linear programming? In what w

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29

Γρηγορίου, Βασίλειος. "Μελέτη συστημάτων σεισμικής προστασίας κρυογενικών δεξαμενών υγροποιημένου φυσικού αερίου με χρήση προσομοιωμάτων πεπερασμένων στοιχείων". 2006. http://nemertes.lis.upatras.gr/jspui/handle/10889/97.

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Στην εργασία αυτή διερευνάται η δυναμική απόκριση κρυογενικών δεξαμενών υγροποιημένου φυσικού αερίου υποκείμενων σε δράση σεισμού. Επειδή οι εν λόγω δεξαμενές αποτελούν κρίσιμα στοιχεία για τη λειτουργία ενός συστήματος διανομής φυσικού αερίου και επειδή ενδεχόμενη καταστροφική αστοχία τους θα είχε δυσβάστακτες κοινωνικές επιπτώσεις, ιδιαίτερα αυστηρές απαιτήσεις ισχύουν σχετικά με τον αντισεισμικό σχεδιασμό τους. Για το σχεδιασμό έναντι σεισμού προδιαγράφονται συνήθως ένα σεισμικό γεγονός με μέση περίοδο επαναφοράς της τάξης των 500 ετών, κατά το οποίο οι δεξαμενές απαιτείται να παραμένουν πλ

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