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Dissertations / Theses on the topic 'QSSA'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 February 2022

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1

Schnell, Santiago. "On the quasi-steady-state approxiamation : coenzyme-substrate reactions as a case study." Thesis, University of Oxford, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.249207.

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2

Liu, Zhen. "Stochastic Simulation Methods for Biochemical Systems with Multi-state and Multi-scale Features." Diss., Virginia Tech, 2012. http://hdl.handle.net/10919/19191.

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In this thesis we study stochastic modeling and simulation methods for biochemical systems. The thesis is focused on systems with multi-state and multi-scale features and divided into two parts. In the first part, we propose new algorithms that improve existing multi-state simulation methods. We first compare the well known Gillespie\\\'s stochastic simulation algorithm (SSA) with the StochSim, an agent-based simulation method. Based on the analysis, we propose a hybrid method that possesses the advantages of both methods. Then we propose two new methods that extend the Network-Free Algorithm

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3

Pu, Yang. "The Art of Modeling and Simulation of Multiscale Biochemical Systems." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/52347.

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In this thesis we study modeling and simulation approaches for multiscale biochemical systems. The thesis addresses both modeling methods and simulation strategies. In the first part, we propose modeling methods to study the behavior of the insulin secretion pathway. We first expand the single cell model proposed by Bertram et. al. to model multiple cells. Synchronization among multiple cells is observed. Then an unhealthy cell model is proposed to study the insulin secretion failure caused by weakening of mitochondria function. By studying the interaction between the healthy and unhealthy cel

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4

Severn, Oliver. "QssB : a pleiotropic RNPP-type cell-cell communication system in C. acetobutylicum ATCC 824." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/51672/.

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Clostridium acetobutylicum is renowned for the ability to convert sugars into acids and solvents, including the potential biofuel butanol. However, regulation of its fermentation metabolism remains poorly understood, especially regarding the shift from acid to solvent metabolism. Several RNPP-type cell-cell communication systems have recently been discovered within C. acetobutylicum ATCC 824. The aim of this study was to investigate one such system, Quorum Sensing System B (QssB), consisting of a regulator, QsrB, and a signalling peptide of unknown structure derived from a precursor protein, Q

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5

Wang, Kunrong. "High-Frequency Quasi-Single-Stage (QSS) Isolated AC-DC and DC-AC Power Conversion." Diss., Virginia Tech, 1998. http://hdl.handle.net/10919/29394.

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The generic concept of quasi-single-stage (QSS) power conversion topology for ac-dc rectification and dc-ac inversion is proposed. The topology is reached by direct cascading and synchronized switching of two variety of buck or two variety of boost switching networks. The family of QSS power converters feature single-stage power processing without a dc-link low-pass filter, a unidirectional pulsating dc-link voltage, soft-switching capability with minimal extra commutation circuitry, simple PWM control, and high efficiency and reliability. A new soft-switched single-phase QSS bi-directional i

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6

Pettazzoni, Laura. "Il Sistema di Gestione Integrata QSA per la miniera di acque termominerali di Porretta Terme." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amslaurea.unibo.it/930/.

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7

Sana, Thibault. "Caractérisation de deux systèmes de sécrétion de type VI de Pseudomonas aeruginosa : Cross-régulation et rôle dans l'invasion microtubules-dépendante de cellules non-phagocytaires." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM4027.

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Pseudomonas aeruginosa est une bactérie pathogène opportuniste extracellulaire. La souche PAO1 de P. aeruginosa possède trois loci codant des Systèmes de Sécrétion de Type VI (T6SS) indépendants, nommés H1 à H3-T6SS. Le premier d'entre eux, H1-T6SS, a été largement décrit dans la littérature scientifique et injecte des toxines à activité antiprocaryote dans d'autres bactéries permettant une défense active contre l'attaque d'un T6SS d'une autre bactérie. Les deux autres T6SS de P. aeruginosa sont probablement des facteurs de virulence de cette bactérie, mais aucun effecteur sécrété, ni cible in

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8

Eriksson, Tommie. "Parallel Hybridization of a Heavy-Duty Long Hauler." Thesis, Linköpings universitet, Fordonssystem, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-119884.

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Long haulage of heavy-duty trucks weighing over 15-ton stands for nearly 50% of the fuelconsumption among trucks, making them the most fuel consuming category. This indicatesthe potential benefits in improving the fuel efficiency for said category. Hybridization is onepossible solution.Hybrid vehicles are vehicles with two or more power sources in the powertrain. Differentpowertrain configurations, hybridization levels and hybrid concepts are best suitedfor different applications. With prices for fossil fuels constantly rising hybridization is animportant technology to improve fuel efficiency.

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9

Reel, Brian H. "A FLIGHT SIMULATION STUDY OF THE SIMULTANEOUS NON-INTERFERING AIRCRAFT APPROACH." DigitalCommons@CalPoly, 2009. https://digitalcommons.calpoly.edu/theses/80.

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Using a new implementation of a NASA flight simulation of the Quiet Short-Haul Research Aircraft, autopilots were designed to be capable of flying both straight in (ILS) approaches, and circling (SNI) approaches. A standard glideslope coupler was sufficient for most conditions, but a standard Proportional-Integral-Derivative (PID) based localizer tracker was not sufficient for maintaining a lateral track on the SNI course. To track the SNI course, a feed-forward system, using GPS steering provided much better results. NASA and the FAA embrace the concept of a Simultaneous, Non-Interfering (SNI

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10

Yurdanur, Elif. "Theoretical Investigation Of Laser Produced Ni-like Sn Plasma." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607568/index.pdf.

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In this thesis, theoretical investigation of nickel-like tin plasma is presented. X-ray production in a plasma medium produced by a laser beam is reviewed. Applications mostly, lithography are discussed. Two different schemes for x-ray lasing, namely, quasi-steady state and transient collisional excitation are explained and compared. The computer codes that are used for plasma, especially for laser produced plasma and x-ray laser including hydrodynamic codes, ray-trace codes and collisional radiative codes are discussed. The code used in this work, EHYBRID, is considered in more detail. An exp

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11

Khalil, Khaled. "Investigation, design and implementation of circular-polarised antennas for satellite mobile handset and wireless communications : simulation and measurement of microstrip patch and wire antennas for handheld satellite mobile handsets and investigations of polarization polarity, specific absorption rate, and antenna design optimization using genetic algorithms." Thesis, University of Bradford, 2009. http://hdl.handle.net/10454/4319.

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The objectives of this research work are to investigate, design and implement circularly-polarized antennas to be used for handheld satellite mobile communication and wireless sensor networks. Several antennas such as Quadrifilar Spiral Antennas (QSAs), two arm Square Spiral and stripline or coaxially-fed microstrip patch antennas are developed and tested. These antennas are investigated and discussed to operate at L band (1.61-1.6214GHz) and ISM band (2.4835-2.5GHz) A substantial size reduction was achieved compared to conventional designs by introducing special modifications to the antenna g

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12

Alencar, Filho Edilson Beserra de. "Estudos da relação quantitativa estrutura-atividade (QSAR) de adutos de Morita-Baylis-Hillman bioativos contra Leishmania amazonensis." Universidade Federal da Paraíba, 2012. http://tede.biblioteca.ufpb.br:8080/handle/tede/7163.

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Made available in DSpace on 2015-05-14T13:21:44Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 4637140 bytes, checksum: f9c50e9a2115f5a805442d163ed54f1e (MD5) Previous issue date: 2012-12-14<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>The Morita-Baylis-Hillman Adducts (MBHA) is a class of molecules studied by our research group on synthetic, theoretical and bioactivity aspects. In this work, we present Quantitative Structure-Activity Relationship (QSAR) models involving 32 aromatic MBHA. Initially, the most stable conformations of thirty-two MBHA were inve

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13

Hogan, Sharon. "Being ethical : how process drama assists pre-service drama teachers to reflect on professional ethics." Queensland University of Technology, 2008. http://eprints.qut.edu.au/26436/.

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This research thesis focuses on the experiences of pre-service drama teachers and considers how process drama may assist them to reflect on key aspects of professional ethics such as mandatory codes or standards, principled moral reasoning, moral character, moral agency, and moral literacy. Research from higher education provides evidence that current pedagogical approaches used to prepare pre –professionals for practice in medicine, engineering, accountancy, business, psychology, counselling, nursing and education, rarely address the more holistic or affective dimensions of professional ethic

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14

Derby, John K. "Accountability for the Implementation of Secondary Visual Arts Standards in Utah and Queensland." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd733.pdf.

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15

Huang, Ling Ling, and 黃鈴鈴. "Some results on quasi semisymmetric designs (QSSD) with nexus." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/21671233286253263215.

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16

Sharp, Faith Christine. "Characterization of QSEA and QSED in the quorum sensing cascade of Enterohemorrhagic Escherichia coli." 2005. http://edissertations.library.swmed.edu/pdf/SharpF081105/SharpFaith.pdf.

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17

Rao, Subramanya Jayasheela, and Subramanya Jayasheela Rao. "UHV LDMOS Device Design To Sustain High QSS And Mobile Charges." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/utyqs8.

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18

Liao, Kuo-Hsuan, and 廖國軒. "A High-Throughput Trellis-Based Layered Decoding Architecture for Non-binary LDPC Codes Using Max-Log-QSPA." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/34961381892802366278.

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19

Yu, Wei-Shuo, and 余偉碩. "An Empirical Research of How to Stepwise Launch ERP System into Small-and-Medium Enterprises – A Case Study of the QSS Aluminum Door and Window Company." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/72706867993058618158.

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碩士<br>國立高雄應用科技大學<br>工業工程與管理系碩士班<br>101<br>Today in twenty first century, the advancement of technology and networking is very fast. As the enterprise faces Internet networking and international fierce competition, how to remain invincible and to continuously innovate and grow is a big challenge. Thus, e-business has become the enterprise mainstream, e.g., enterprise resource planning (ERP) a kind of decision support system for e-business built on the basis of information systems by using the electronic networking technology to efficiently integrate the enterprise’s internal resources and exter

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20

McNeilly, Kenneth. "Beyond the ‘Bedrooms of the Nation’: An Interpretative Phenomenological Analysis of Canadian Adolescents with Lesbian, Gay, or Bisexual-identified Parents." Thesis, 2012. http://hdl.handle.net/1807/34808.

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Although parenting by lesbian, gay, and bisexual-identified (LGB) individuals has attracted increasing research attention over the past few decades, relatively little focus has been given to the personal identity development of adolescents raised in such families. There is scant qualitative data that describes the phenomenon from the viewpoint of Canadian adolescents; this study aims to give voice to those with parents that identify as non-heterosexual. In semi- structured interviews, participants were asked to explain how they made sense of being from an LGB-led family, particularly within th

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21

Ferreira, Elisabete Sofia Dias. "Ansiedade aos exames em estudantes universitários: relação com stresse académico, estratégias de coping e satisfação académica." Master's thesis, 2014. http://hdl.handle.net/10437/6021.

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Orientação: Joana Brites Rosa<br>O ensino superior é num primeiro momento marcado por muitas expetativas mas é também um longo percurso onde podem surgir situações problemáticas, diferentes consoante as etapas. O objetivo principal deste estudo foi o de compreender de que modo a ansiedade aos exames, por parte dos estudantes universitários, pode ser estudada, tendo em conta o stresse académico, as estratégias de coping e a satisfação académica. A amostra foi constituída por 187 estudantes da Universidade Lusófona de Humanidades e Tecnologias, sendo a média de idades 24,0 anos (DP=7,56) para

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