Dissertations / Theses on the topic 'FTBF'
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Wilcox, Daniel L. "Fully Compliant Tensural Bistable Mechanisms (FTBM) with On-Chip Thermal Actuation." Diss., CLICK HERE for online access, 2004. http://contentdm.lib.byu.edu/ETD/image/etd526.pdf.
Full textRibeiro, Luana Fonteles. "O Festival de Teatro Brasileiro (FTB): uma perspectiva de gestão cultural." reponame:Repositório Institucional do FGV, 2015. http://hdl.handle.net/10438/15656.
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O trabalho apresenta um estudo sobre os processos de gestão de um projeto cultural, tendo como objeto de análise o Festival do Teatro Brasileiro (FTB). Este festival de circulação nacional soma 17 edições até o ano de 2015, ao longo de 16 anos de trajetória. Partindo deste exemplo real esta pesquisa busca sistematizar, a partir da perspectiva da abordagem qualitativa, as atividades e processos de gestão do festival, nas instâncias constituintes de um projeto cultural: modelagem, administração e avaliação.
Malenfant, Daniel. "Étude des fonctions développementales et métaboliques du récepteur nucléaire fetoprotein transcription factor (FTF)." Thesis, Université Laval, 2012. http://www.theses.ulaval.ca/2012/28755/28755.pdf.
Full textFTF is a nuclear receptor principally expressed in adult digestive organs that has been shown to act as a major regulator of lipids and steroids metabolism, cellular proliferation and embryonic development. FTF involvement in steroid synthesis and cell cycle regulation tends toward the stimulation of tumor proliferation in neoplasic tissues in which FTF is expressed. However, more studies of FTF function in normal and disease states and on its regulation are needed to draw a complete picture of FTF activity in cell physiology. Within the context of my studies, I delineated the FTF adult and fetal tissular expression, characterized a novel Ftf promoter element and identified FTF direct hepatic transcriptional targets in fetal, adult and tumor cell lines by using chromatin immunoprecipitation (ChIP-on-chip). These studies defined new FTF functions in metabolism, fetal development and hepatic carcinogenesis. FTF expression in digestive system and in neural structures controlling eating behavior, its transcriptional regulation by metabolic nuclear receptors and its binding to enzyme and transporter gene promoters driving energy metabolism, puts FTF in a key location for governing cellular and organismal energy metabolism. C/EBP, a transcriptional FTF partner on the Afp gene promoter and also involved in energy metabolism, is bound to 20% of the FTF targets including FTF itself thus adding branches to the complex hepatic transcriptional network. In hepatoma cells, FTF binds to proliferation and tumor cell maintenance genes like replication, growth and apoptosis regulators. Therefore, FTF belongs to the hepatic transcription network that governs hepatic development, differentiation and adult energy metabolism and is likely to be involved in promoting hepatic tumorogenesis.
Mondelli, Ricardo Lia. "Queiloplastia de FTB, comparação da técnica clássica de Spina com a modificada pelo HRAC." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/61/61132/tde-06022012-150523/.
Full textBackground: The bilateral cleft lip palate ever had a divergence of its treatment. In this research two techniques to correction bilateral cleft lip, Spina classic technique (S group) and Spina modified by HRAC-USP (TD group). Aims: Determine the esthetical results, immediate and mediate postoperative complications, the number of surgeries and ambulatory attendance, the personal satisfaction with its appearance and received attendance, and the quality of life in subjects with bilateral clef lip palate, operated in the HRAC-USP by Spina and Spina modified by HRACUSP techniques of cheiloplasty. Method: After approve of the ethical committee and attainment of assent, was evaluated 74 subjects, 46 male and 28 female. The S group had 42 and the TD group with 32 subjects. Judges made facial analysis in photographs of seven attributes in each subject, using an analogical scale of 1 to 5. From the bedside assessment the immediate and mediate complications was taken. The number of surgical procedures and ambulatorial coming was tabulated. The own subjects answer two visual analogical scale (EVA) of satisfaction of appearance and the treatment received at HRAC-USP and an OMS quality of life questionnaire (WHOQOL-bref). Results: The two techniques utilized did not show statistic difference in the subjective facial analyses. The immediate and mediate complications were similar between the groups. There were significant difference in the number of surgical procedures (p=0000), S group had 8,06 (± 2,18) and TD group 4,72 (± 1,45) surgical internment. The ambulatory coming did not show differences, the S group had 27,49 (± 17,58) and TD 22,31 (± 15,38) coming to to the Hospital. The visual analogical scales (EVA) of satisfaction whit the appearance shows for S group 53,80 (± 14,46) e TD 57,54 (± 14,41) and the do treatment received at HRAC-USP for S group 68,14 (± 11,16) e TD 63,18 (± 11,39). The WHOQOL-bref did not show differences between the groups in none of their dominion. Discussion: All elements of this work were interpreted and analysis was performed whit literature correlation. Conclusion: The cheiloplasty whit the technique of Spina and Spina modified by HRAC-USP, did not show statistical difference in the results of photographs evaluation, immediate e mediate complications, the number of coming to the hospital, the visual analogical scale of satisfaction whit the appearance and the treatment received at HRAC-USP and the questionnaire of quality of life. The subjects submitted to the Spina technique modified by HRAC-USP shows less surgical procedures that those submitted to the classical Spina technique whit statistical significance difference.
Boutz, Adam. "Inductors in LTCC utilizing full tape thickness features." Thesis, Manhattan, Kan. : Kansas State University, 2009. http://hdl.handle.net/2097/1397.
Full textGaudron, Renaud. "Réponse acoustique de flammes prémélangées soumises à des ondes sonores harmoniques." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLC073/document.
Full textThermoacoustic instabilities, also known as combustion instabilities, are a major concern in the aerospace and energy production industries. They are due to an energy transfer that occurs between a heat source, usually a flame stabilized inside a combustor, and the surrounding acoustic field and may lead to undesirable phenomena such as flame extinction, increased heat fluxes, very large sound emissions at certain frequencies, vibration, structural damage and even catastrophic failure in some cases. Given the potential consequences of such phenomena, a large research effort has been devoted to predicting the onset of combustion instabilities in modern boilers, rocket engines and gas turbines during the past few decades. Unfortunately, the theoretical framework associated with the study of thermoacoustic instabilities is complex and multi-physics and the geometry of practical combustors is an intricate arrangement of 3D cavities. As a consequence, predicting the thermoacoustic stability of a combustor at an early design stage is a challenging task to date... (See inside the manuscript for the remainder of the abstract)
Lienert, Thomas [Verfasser], Johannes [Akademischer Betreuer] Fottner, Willibald A. [Gutachter] Günthner, Johannes [Gutachter] Fottner, and Jochen [Gutachter] Kreutzfeldt. "Methodik zur simulationsbasierten Durchsatzanalyse FTF-basierter Kommissioniersysteme / Thomas Lienert ; Gutachter: Willibald A. Günthner, Johannes Fottner, Jochen Kreutzfeldt ; Betreuer: Johannes Fottner." München : Universitätsbibliothek der TU München, 2021. http://d-nb.info/1238781624/34.
Full textPramanik, Preeti. "Characterization of the FTF/HNF-4 Sites Within the 7Alpha- and the 12Alpha-Hydroxylase Promoters Involved in the Bile Acid-Mediated Transcription of their Regulation." VCU Scholars Compass, 2006. http://scholarscompass.vcu.edu/etd/1064.
Full textTang, Ming-Chun, Ting Shi, and Richard W. Ziolkowski. "Electrically Small, Broadside Radiating Huygens Source Antenna Augmented With Internal Non-Foster Elements to Increase Its Bandwidth." IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2017. http://hdl.handle.net/10150/623616.
Full textGilbert, Stéphane. "Expression différentielle du locus multigénique de l'alpha-foetoprotéine et contrôle transcriptionnel du virus de l'hépatite B par le facteur de transcription Fetoprotein Transcription Factor, FTF." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0017/NQ56832.pdf.
Full textArnberg, Alexander. "Bedömning i pandemins tid : Gymnasielärares erfarenheter av formativ bedömning och examination i svenskämnet under coronakrisen." Thesis, Mälardalens högskola, Akademin för utbildning, kultur och kommunikation, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-49930.
Full textBhiri, Bassem. "Stabilité et stabilisation en temps fini des systèmes dynamiques." Thesis, Université de Lorraine, 2017. http://www.theses.fr/2017LORR0100/document.
Full textThis dissertation deals with the finite time stability and the finite time stabilization of dynamic systems. Indeed, it is often important to ensure that during the transient regime, the state trajectories do not exceed certain predefined limits in order to avoid saturations and excitations of the nonlinearities of the system. Hence the interest is to study the stability of the dynamic system in finite time. A dynamic system is said to be stable in finite time (FTS) if, for any initial state belonging to a predetermined bounded set, the state trajectory remains within another predetermined bounded set for a finite and fixed time. When the system is disturbed, it is called finite time boundedness (FTB). In this manuscript, the goal is to improve the results of finite time stability used in the literature. First, new sufficient conditions expressed in terms of LMIs for the synthesis of an FTB controller by dynamic output feedback have been developed via an original descriptor approach. An original method has been proposed which consists in using a particular congruence transformation. Second, new LMI conditions for the study of finite time stability and finite time stabilization have been proposed for disturbed and undisturbed nonlinear quadratic systems. Third, to obtain even less conservative conditions, new developments have been proposed using polynomial Lyapunov functions
Liu, Ying-Chieh A. "Comparing the performance and satisfaction of face-to-face and virtual teams in a learning enviroment." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2007. https://ro.ecu.edu.au/theses/41.
Full textMykkänen, Tina. "Intersubjective Body Mapping for Reintegration : Assessing an Art-based Methodology to Promote Reintegration of Foreign Terrorist Fighters." Thesis, Uppsala universitet, Teologiska institutionen, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-446583.
Full textHermeth, Sébastian. "Mechanisms affecting the dynamic response of swirled flames in gas turbines." Thesis, Toulouse, INPT, 2012. http://www.theses.fr/2012INPT0064/document.
Full textModern pollutant regulation have led to a trend towards lean combustion systems which are prone to thermo-acoustic instabilities. The ability of Large Eddy Simulation (LES) to handle complex industrial heavy-duty gas turbines is evidenced during this thesis work. First, LES is applied to an academic single burner in order to validate the modeling against measurements performed at TU Berlin and against OpenFoam LES simulations done at Siemens. The coupling between acoustic and combustion is modeled with the Flame Transfer Function (FTF) approach and swirl number fluctuations are identified changing the FTF amplitude response of the flame. Then, an industrial gas turbine is analyzed for two different burner geometries and operating conditions. The FTF is only slightly influenced for the two operating points but slight modifications of the swirler geometry do modify the characteristics of the FTF showing that a simple model taking only into account the flight time is not appropriate and additional mechanisms are at play. Those mechanisms are identified being the inlet velocity, the swirl and the inlet mixture fraction fluctuations. The latter is caused by two mechanisms: 1) the pulsating injected fuel flow rate and 2) the fluctuating trajectory of the fuel jets. Although the diagonal swirler is designed to provide good mixing, effects of mixing heterogeneities at the combustion chamber inlet occur. Mixture perturbations phase with velocity (and hence with swirl) fluctuations and combine with them to lead to different FTF results. Another FTF approach linking heat release to inlet velocity and mixture fraction fluctuation (MISO model) shows further to be a good solution for complex systems. A nonlinear analysis shows that the forcing amplitude not only leads to a saturation of the flame but also to changes of the delay response. Flame saturation is only true for the global FTF and the gain increases locally with increasing forcing amplitude. Both, the linear and the nonlinear flames, are not compact: flame regions located right next to each other exhibited significant differences in delay meaning that at the same instant certain parts of the flame damp the excitation while others feed it
Lévesque, Lise. "Production et caractérisation de modèles transgéniques pour l'étude du facteur de transcription de l'[alpha]1-foetoprotéine (FTF) /." 2002. http://proquest.umi.com/pqdweb?did=765056371&sid=10&Fmt=2&clientId=9268&RQT=309&VName=PQD.
Full textLien-Yi, Ding, and 丁濂儀. "The Research of RFID-Enabled FTF-LCD Supply Chain Inventory with Multi- Replenishment Policies Simulation System." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/57619486176309199408.
Full text國立勤益科技大學
工業工程與管理系
95
A supply chain refers to a complex network comprised by raw material supplier, manufacturer, distributor, retailer and customer store. A research had proposed four reasons, including demand forecast, batch order, price fluctuation, and shortage of supply, leading to the bullwhip effect in a supply chain. Ambiguous information for a supply chain system causes extreme instability on an inventory policy. In 2003, the Radio Frequency Identification System (RFID) designed by EPC Global and promoted by Wal-Mart would help to clarify all-leveled information in a supply chain system and then to decrease the influence caused by the problems of bullwhip effect. This research targeted the A company with a globally-logistic supply chain system which produces TFT-LCD (Thin-Film Transistor Liquid-Crystal Display). The research aimed to build the model of RFID-Enabled TFT-LCD Supply Chain Multi-Inventory (RSMI) by the simulation software, Anylogic, through procedure analysis, multi-agent design, service level-based replenishment policies parameters computation, tagged product shipping and receiving platform implementation. According to the principle of factorial design, the 16 planned RSMI combination models had been generated. Also, the experimental analysis was executed with the two KPI values of the total inventory cost and the inventory turnover. The MINTAB’s main effects plot shows that every level with the (s,Q) inventory policy has the best effect. To compare RSMI (s,Q) with the model of non-established RFID system, the RSMI model could raise the whole inventory turnover by 22.76% and decrease the total inventory cost by 16.61%.
Pinto, Vania Sofia Almeida. "Interferência trabalho-família (ITF) e facilitação trabalho-família (FTF): Estudo da invariância da medida entre géneros." Master's thesis, 2012. http://hdl.handle.net/10316/23454.
Full textA investigação científica tem manifestado um grande interesse pela temática da interação trabalho-família, nomeadamente, pela interferência e facilitação trabalho-família. Mais concretamente, têm-se investigado os antecedentes e consequentes relativos a estes constructos, verificando, de forma consistente, a existência de diferenças entre géneros. Procurando contribuir para a compreensão deste fenómeno, o objectivo deste estudo prende-se com o aprofundar da compreensão das diferenças entre homens e mulheres, no que respeita à conciliação trabalho-família, e à análise da medida da invariância entre géneros nas Escalas T-F (Carvalho & Peralta, 2009). Tendo por base uma amostra de 610 docentes do ensino superior, procurámos explorar o poder discriminativo da escala supramencionada, assim como verificar a existência de diferenças entre géneros nesta mesma amostra. De acordo com este objectivo, foram conduzidas análises da invariância, através da elaboração de um modelo de equações estruturais (SEM), tendo-se concluído a existência de diferenças significativas entre géneros no que respeita à interferência e à facilitação trabalho-família, e que as Escalas T-F aparentam deter poder discriminativo. Palavras-chave: Interferência trabalho-família, facilitação trabalho-família, géneros, análise da invariância.
Interferência trabalho-família (ITF) e facilitação trabalho-família (FTF): Estudo da invariância da medida entre géneros Resumo A investigação científica tem manifestado um grande interesse pela temática da interação trabalho-família, nomeadamente, pela interferência e facilitação trabalho-família. Mais concretamente, têm-se investigado os antecedentes e consequentes relativos a estes constructos, verificando, de forma consistente, a existência de diferenças entre géneros. Procurando contribuir para a compreensão deste fenómeno, o objectivo deste estudo prende-se com o aprofundar da compreensão das diferenças entre homens e mulheres, no que respeita à conciliação trabalho-família, e à análise da medida da invariância entre géneros nas Escalas T-F (Carvalho & Peralta, 2009). Tendo por base uma amostra de 610 docentes do ensino superior, procurámos explorar o poder discriminativo da escala supramencionada, assim como verificar a existência de diferenças entre géneros nesta mesma amostra. De acordo com este objectivo, foram conduzidas análises da invariância, através da elaboração de um modelo de equações estruturais (SEM), tendo-se concluído a existência de diferenças significativas entre géneros no que respeita à interferência e à facilitação trabalho-família, e que as Escalas T-F aparentam deter poder discriminativo. Palavras-chave: Interferência trabalho-família, facilitação trabalho-família, géneros, análise da invariância.
Morin, Martin. "Création d'un système d'expression cellulaire stable impliquant le récepteur nucléaire orphelin FTF, et caractérisation de souris transgéniques pour le récepteur nucléaire HNF4[alpha] /." 2003. http://proquest.umi.com/pqdweb?did=766665291&sid=13&Fmt=2&clientId=9268&RQT=309&VName=PQD.
Full textGonzalez, Paola. "Effects of task variation and communication medium on group performance in small groups: a comparison between FTF and CMC groups." Thesis, 2009. http://hdl.handle.net/10012/4793.
Full textPoulin, Julie. "Régulation développementale et hormonale du gène de l'[alpha]1-foetoprotéine /." 2002. http://proquest.umi.com/pqdweb?did=766560381&sid=18&Fmt=2&clientId=9268&RQT=309&VName=PQD.
Full textErhart, Julia. "The relationship between the amount of FtF-interaction and conflict in virtual teams : the moderating role of a shared identity." Master's thesis, 2017. http://hdl.handle.net/10400.14/25434.
Full textO propósito desta tese foi estudar a influência da interação pessoal e os conflitos de relacionamento, durante uma experiência, especialmente em equipas com identidades similares. Foram entrevistados 332 membros de uma equipa que opera como tal na vida real. Os resultados mostram que a interação pessoal entre membros da equipa tem um impacto negativo no conflito do relacionamento, contudo o impacto é positivo quando o conflito surge durante a tarefa a executar. Identificação da equipa como moderador foi significativo para o modelo apenas para o conflito de tarefas.
(6852506), Gowtham Manikanta Reddy Tamanampudi. "REDUCED FIDELITY ANALYSIS OF COMBUSTION INSTABILITIES USING FLAME TRANSFER FUNCTIONS IN A NONLINEAR EULER SOLVER." Thesis, 2019.
Find full textCombustion instability, a complex phenomenon observed in combustion chambers is due to the coupling between heat release and other unsteady flow processes. Combustion instability has long been a topic of interest to rocket scientists and has been extensively investigated experimentally and computationally. However, to date, there is no computational tool that can accurately predict the combustion instabilities in full-size combustors because of the amount of computational power required to perform a high-fidelity simulation of a multi-element chamber. Hence, the focus is shifted to reduced fidelity computational tools which may accurately predict the instability by using the information available from the high-fidelity simulations or experiments of single or few-element combustors. One way of developing reduced fidelity computational tools involves using a reduced fidelity solver together with the flame transfer functions that carry important information about the flame behavior from a high-fidelity simulation or experiment to a reduced fidelity simulation.
To date, research has been focused mainly on premixed flames and using acoustic solvers together with the global flame transfer functions that were obtained by integrating over a region. However, in the case of rockets, the flame is non-premixed and distributed in space and time. Further, the mixing of propellants is impacted by the level of flow fluctuations and can lead to non-uniform mean properties and hence, there is a need for reduced fidelity solver that can capture the gas dynamics, nonlinearities and steep-fronted waves accurately. Nonlinear Euler equations have all the required capabilities and are at the bottom of the list in terms of the computational cost among the solvers that can solve for mean flow and allow multi-dimensional modeling of combustion instabilities. Hence, in the current work, nonlinear Euler solver together with the spatially distributed local flame transfer functions that capture the coupling between flame, acoustics, and hydrodynamics is explored.
In this thesis, the approach to extract flame transfer functions from high-fidelity simulations and their integration with nonlinear Euler solver is presented. The dynamic mode decomposition (DMD) was used to extract spatially distributed flame transfer function (FTF) from high fidelity simulation of a single element non-premixed flame. Once extracted, the FTF was integrated with nonlinear Euler equations as a fluctuating source term of the energy equation. The time-averaged species destruction rates from the high-fidelity simulation were used as the mean source terms of the species equations. Following a variable gain approach, the local species destruction rates were modified to account for local cell constituents and maintain correct mean conditions at every time step of the nonlinear Euler simulation. The proposed reduced fidelity model was verified using a Rijke tube test case and to further assess the capabilities of the proposed model it was applied to a single element model rocket combustor, the Continuously Variable Resonance Combustor (CVRC), that exhibited self-excited combustion instabilities that are on the order of 10% of the mean pressure. The results showed that the proposed model could reproduce the unsteady behavior of the CVRC predicted by the high-fidelity simulation reasonably well. The effects of control parameters such as the number of modes included in the FTF, the number of sampling points used in the Fourier transform of the unsteady heat release, and mesh size are also studied. The reduced fidelity model could reproduce the limit cycle amplitude within a few percent of the mean pressure. The successful constraints on the model include good spatial resolution and FTF with all modes up to at least one dominant frequency higher than the frequencies of interest. Furthermore, the reduced fidelity model reproduced consistent mode shapes and linear growth rates that reasonably matched the experimental observations, although the apparent ability to match growth rates needs to be better understood. However, the presence of significant heat release near a pressure node of a higher harmonic mode was found to be an issue. This issue was rectified by expanding the pressure node of the higher frequency mode. Analysis of two-dimensional effects and coupling between the local pressure and heat release fluctuations showed that it may be necessary to use two dimensional spatially distributed local FTFs for accurate prediction of combustion instabilities in high energy devices such as rocket combustors. Hybrid RANS/LES-FTF simulation of the CVRC revealed that it might be necessary to use Flame Describing Function (FDF) to capture the growth of pressure fluctuations to limit cycle when Navier-Stokes solver is used.
The main objectives of this thesis are:
1. Extraction of spatially distributed local flame transfer function from the high fidelity simulation using dynamic mode decomposition and its integration with nonlinear Euler solver
2. Verification of the proposed approach and its application to the Continuously Variable Resonance Combustor (CVRC).
3. Sensitivity analysis of the reduced fidelity model to control parameters such as the number of modes included in the FTF, the number of sampling points used in the Fourier transform of the unsteady heat release, and mesh size.
The goal of this thesis is to contribute towards a reduced fidelity computational tool which can accurately predict the combustion instabilities in practical systems using flame transfer functions, by providing a path way for reduced fidelity multi-element simulation, and by defining the limitations associated with using flame transfer functions and nonlinear Euler equations for non-premixed flames.
Pramanik, Preeti. "Characterization of the FTF/HNF-4 sites within the 7 alpha- and 12 alpha-hydroxylase promoters involved in the bile acid-mediated transcription of their regulation /." 2006. http://hdl.handle.net/10156/1723.
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