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Dissertations / Theses on the topic 'Flow accumulation'

Author: Grafiati
Published: 4 June 2021
Last updated: 14 February 2022

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1

MISAWA, MASAKI, NAOKI TAKADA, HIROSHI YAMASHITA, SHINGO SATAKE, and KAZUHIRO YAMAMOTO. "LATTICE BOLTZMANN SIMULATION ON FLOW WITH SOOT ACCUMULATION IN DIESEL PARTICULATE FILTER." World Scientific Publishing, 2007. http://hdl.handle.net/2237/20052.

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Burgholzer, Robert William. "Using Accumulation Based Network Identification Methods to Identify Hill Slope Scale Drainage Networks in a Raster GIS." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/32001.

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The simple accumulation-based network identification method (ANIM) in a raster Geographic Information System (GIS) posed by Oâ Callaghan and Mark (1984) has been criticized for producing a spatially uniform drainage density (Tarboton 2002) at the watershed scale. This criticism casts doubt on the use of ANIMs for deriving properties such as overland flow length for nonpoint source pollution models, without calibrating the accumulation threshold value. However, the basic assumption that underlies ANIMs is that convergent topography will yield a more rapid accumulation of cells, and thus, mor
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Lopez, Hector Matias. "Influence of the coupling between flow and bacteria on the fluid rheology and on bacterial transport." Thesis, Paris 11, 2015. http://www.theses.fr/2015PA112168.

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Le transport des micro-organismes, comme par exemple les bactéries, par un fluide se retrouve au centre de thématiques de recherche dans des domaines aussi variés que de la biologie, l’écologie, l’ingénierie et la médecine.Ce manuscrit résume mon étude expérimentale du couplage entre le mouvement microscopique de la nage des bactéries et le mouvement advectif de l’écoulement.La première partie du manuscrit porte sur la rhéologie des suspensions d’E. coli sous faible taux de cisaillement. Pour cette condition, j’ai montré que les perturbations hydrodynamiques induites par la nage réduisent fort
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Renken, Hendrik [Verfasser]. "Acceleration of material flow simulations : using model coarsening by token sampling and online error estimation and accumulation controlling / Hendrik Renken." Paderborn : Universitätsbibliothek, 2014. http://d-nb.info/1077049714/34.

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Tóth, Balázs. "Two-phase flow investigation in a cold-gas solid rocket motor model through the study of the slag accumulation process." Doctoral thesis, Universite Libre de Bruxelles, 2008. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210575.

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The present research project is carried out at the von Karman Institute for Fluid Dynamics (Rhode-Saint-Genèse, Belgium) with the financial support of the European Space Agency.<p><p>The first stage of spacecrafts (e.g. Ariane 5, Vega, Shuttle) generally consists of large solid propellant rocket motors (SRM), which often consist of segmented structure and incorporate a submerged nozzle. During the combustion, the regression of the solid propellant surrounding the nozzle integration part leads to the formation of a cavity around the nozzle lip. The propellant combustion generates liquefied alum
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Sabeti, Azad Mahnaz. "Accumulation of a bactericidal antibiotic by tolerant bacteria and insights into bacterial persistence." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS585.

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Les aminoglycosides (AG) sont une famille d’antibiotiques qui ciblent le ribosome bactérien. À titre d’exemple il s’agit de la néomycine, la gentamicine et la streptomycine. Quand ces antibiotiques se fixent au ribosome, ils provoquent des erreurs de lectures ou inhibent la synthèse des protéines, ce qui conduit à la mort cellulaire. Même s’ils ont été découverts il y a plus d’un demi-siècle, de nombreux aspects de leur mode d’action restent inconnus. L’accumulation des AG dans les bactéries se passe en trois étapes. La première consiste en une interaction électrostatique avec la membrane. La
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Uys, Lafras. "Coupling kinetic models and advection-diffusion equations to model vascular transport in plants, applied to sucrose accumulation in sugarcane." Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/1441.

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Thesis (PhD (Biochemistry))--University of Stellenbosch, 2009.<br>ENGLISH ABSTRACT: The sugarcane stalk, besides being the main structural component of the plant, is also the major storage organ for carbohydrates. Sucrose forms the bulk of stored carbohydrates. Previous studies have modelled the sucrose accumulation pathway in the internodal storage parenchyma of sugarcane using kinetic models cast as systems of ordinary differential equations. Typically, results were analysed with methods such as metabolic control analysis. The present study extends those original models within an advect
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Habibulla, Murtuza. "Analyzing the performance of an order accumulation and sortation system using simulation a design of experiments approach." Ohio : Ohio University, 2001. http://www.ohiolink.edu/etd/view.cgi?ohiou1173895842.

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Johansson, Pontus, and Lovisa Kullberg. "Förstudie till flödesackumulering på Astra Tech." Thesis, Högskolan Väst, Institutionen för ingenjörsvetenskap, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-3472.

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Syftet med arbetet var att undersöka möjligheten för optimering av produktflödet. Företagets produkter transporteras på ett transportband till en gemensam process. Det nuvarande flödet till processen är inte optimerat vilket resulterar i att processen körs ineffektivt. Ackumulering av produkter innan processen ska därför undersökas som en lösning till problemet. Fyra olika ackumuleringsförslag har analyserats och jämförts: hängande bansystem, palleteringssystem, depalleteringssystem och kombination av bansystem och palleteringssystem. Förslagen har blivit bedömda och jämförda utifrån följande
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Meyers, Alison Cheryl. "Depositional Dynamics in Seagrass Systems of Tampa Bay, FL: Influence of Hydrodynamic Regime and Vegetation Density on Ecosystem Function." Scholar Commons, 2010. https://scholarcommons.usf.edu/etd/1714.

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Many coastal ecosystems around the world are dominated by submerged aquatic vegetation (SAV) habitats. These SAV habitats are known to provide many highly valuable ecosystem services such as habitat for commercial important species and increased water clarity. Water flow is an environmental variable which can have measurable effects on the ecosystem services provided by SAV, but is often not considered in studies assessing these services. This dissertation sought to investigate the links between SAV, primarily seagrasses, and hydrodynamics, paying special attention to the effects on sediments
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Renaud, France. "Calcul des coéfficients aérodynamiques d'un profil d'aile naca avec accumulation de glace par la méthode des équations intégrales aux limites /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1990. http://theses.uqac.ca.

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Åström, Emilie. "Åsars bildning och modellering av isälvar under äldre och yngre Dryas i Svealand." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-411021.

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Sveriges geomorfologi har till största del bildats under den senaste glaciationens erosion och depositions processer. Vid denna glaciations avsmältning rann smältvattnet bort från glaciären i isälvarna genom tunnlar under inlandsisen. Från dessa isälvar bildas åsar när materialet som transporterats med glaciären förs med i det turbulenta flödet i isälven innan det avsätts och bygger upp dessa långsträckta terrängformer. Isälvarnas position under inlandsisen bestäms av hydrauliska potentialen vilken bestämmer rörelseriktningen för vatten under glaciären. I vissa områden kommer den ha en lägre p
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Mehmedovic, Edin. "Värdeflödesanalys på DIAB AB Laholm." Thesis, Jönköping University, JTH, Industrial Engineering and Management, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-370.

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<p>This report is the result of a 20-points project at the University of Jönköping. The project was carried out in form of a case study with the object of analysing the value flow at DIAB AB’s confection department in Laholm. The aim of this project is to submit proposals to the production management on how to increase the efficiency of the production flow at the confection department and reduce the capital accumulation in form of products in work.</p><p>The information in this report is gathered from interviews, observations and measurements. Furthermore, a literature study was carried out in
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Zhou, Jun. "Numerical Modeling of Ductile Fracture." University of Akron / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=akron1384774266.

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Weismiller, Heather C. "Sediment Accumulation on Basalt Flows (Jurassic Kalkrand Formation, Namibia)." Ohio University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1338565913.

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Daněk, Tomáš. "Akumulační nádrž tepelného čerpadla." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230885.

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The goal is to design a storage tank to the heat pumps air to water. The first part describes how a heat pump works and why it is advantageous to use the tank. Another section focuses on ways to accumulation of heat. Established a program that simulates the behavior of the heat pump system with storage tank, described how this program works and is designed tank size for a given heat pump. The last chapters deal with the calculation of minimum area of heat flow exchanger and the proposal inlet valve for improving the thermal stratification of the tank.
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Korniak, Daniel. "Matematický popis VRB baterie." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2013. http://www.nusl.cz/ntk/nusl-220160.

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This work is in the introduction focused on the introduction of technologies for electrical energy storage, their description and capturing the main advantages and disadvantages. After this capture follows comparison of the various technologies in terms of efficiency , discharge time and the price for1 kWh . Following section focuses on electrochemical model VRB batteries , which describes the equations describing the behavior of a battery depending on the chemical an electrical properties . In the penultimate chapter, I introduced the language of object- oriented modeling language Modelica an
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Ramírez, Venegas Sebastián Ignacio. "Gross capital flows : the influence of stock of international assets, financial openness, exchange rate and reserve accumulation under extreme events." Tesis, Universidad de Chile, 2016. http://repositorio.uchile.cl/handle/2250/139787.

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Seminario para optar al título de Ingeniero Comercial, Mención Economía<br>Autor no autoriza el acceso a texto completo de su documento<br>Este trabajo analiza los determinantes de eventos extremos en ujos de capitales bru- tos. En particular, se focaliza en el rol del stock de activos internacionales, la apertura nanciera, el r egimen cambiario y la acumulaci on de reservas, en la ocurrencia de una fuerte entrada (surges) o signi cativa contracci on (stops) en in ujos de capitales. Adem as, el trabajo estudia la in uencia de estas variables en eventos compensatorios por parte de los
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Rouhe, Arick Christopher. "Using Wetlands to Prevent the Surface Accumulation of Aphanizomenon flos-aquae from Upper Klamath Lake." PDXScholar, 2018. https://pdxscholar.library.pdx.edu/open_access_etds/4514.

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The ability to regulate buoyancy (sinking and floating) using cellular gas vesicles is a unique characteristic that allows many common bloom-forming cyanobacteria to accumulate at water surfaces and dominate systems. Typical control and management strategies include nutrient manipulation and phosphorus reduction, which are effective but do not reduce the advantage of buoyancy control. Since buoyancy control is based upon a mechanism that is driven by photosynthesis along with environmental conditions that trigger vesicle formation and ion exchange, buoyancy regulation can be influenced by mani
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Günther, Susanne. "Population structure and dynamics of polyphosphate accumulating organisms in a communal wastewater treatment plant." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-89984.

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Polyphosphat-speichernde Bakterien entfernen das im Abwasser enthaltene Phosphat durch Speicherung in Form von Granula, die dann mit einem Teil des Belebtschlammes aus dem Abwasser entfernt werden können. Dies ist wichtig um negative Einflüsse auf Oberflächengewässer wie Flüsse und Seen so gering wie möglich zu halten. Trotz intensiver Forschung ist der Prozess der sogenannten biologischen Phosphatelimination oft uneffektiv und im Jahresverlauf instabil, da über die im Belebtschlamm aktiven Polyphosphat-speichernden Bakterien nur wenig bekannt ist. Hauptproblem ist hierbei die geringe Kultivie
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Pôrto, Diego Resende de Queirós [UNESP]. "Densidades populacionais e épocas de plantio na cultura da couve-flor, híbrido Verona 284." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/105221.

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Made available in DSpace on 2014-06-11T19:33:39Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-07-06Bitstream added on 2014-06-13T21:06:47Z : No. of bitstreams: 1 porto_drq_dr_jabo.pdf: 545455 bytes, checksum: 680581d357214beae95a9ba54a728997 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Com o objetivo de avaliar o efeito de densidades populacionais e épocas de plantio na cultura da couve-flor, híbrido Verona 284, foram realizados dois experimentos no campo. O primeiro na primavera-verão (novembro a janeiro) e o segundo no outonoinverno (maio a julho
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Pôrto, Diego Resende de Queirós. "Densidades populacionais e épocas de plantio na cultura da couve-flor, híbrido Verona 284 /." Jaboticabal : [s.n.], 2009. http://hdl.handle.net/11449/105221.

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Resumo: Com o objetivo de avaliar o efeito de densidades populacionais e épocas de plantio na cultura da couve-flor, híbrido Verona 284, foram realizados dois experimentos no campo. O primeiro na primavera-verão (novembro a janeiro) e o segundo no outonoinverno (maio a julho). O delineamento experimental foi o de blocos casualizados completos, em esquema fatorial 4 x 4, com três repetições. Foram avaliados os fatores espaçamento entre linhas (0,6; 0,8; 1,0 e 1,2 m) e espaçamentos entre plantas (0,4; 0,5; 0,6 e 0,7 m). A segunda época proporcionou os maiores teores de N, K e B na folha diagnóst
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Bouron, Gaël. "Mécanismes et effets de la fonte des accumulations neigeuses sur le fonctionnement hydrologique du Lignon du Forez, Massif Central, France." Phd thesis, Ecole Nationale Supérieure des Mines de Saint-Etienne, 2013. http://tel.archives-ouvertes.fr/tel-00937095.

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Ce travail de thèse propose une méthodologie d'instrumentation reposant sur plusieurs outils hydrologiques, géophysiques et géochimiques afin de quantifier l'apport nival dans les débits du Lignon. Cette instrumentation consiste en un suivi des échanges aux différents compartiments/interfaces hydrologiques que forment l'atmosphère, la neige, le sol et les cours d'eau au cours des saisons. La neige, et surtout l'équivalent en eau liquide qu'elle représente, est fondamentale pour la compréhension du fonctionnement des sources du Lignon, situées à l'aval direct d'une congère de grand volume. Ce v
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Candian, Joara Secchi [UNESP]. "Doses e épocas de aplicação de torta de mamona na produção, características físico-químicas e teores de macronutrientes em couve-flor sob manejo orgânico." Universidade Estadual Paulista (UNESP), 2018. http://hdl.handle.net/11449/153788.

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Submitted by JOARA SECCHI CANDIAN (joara@live.com) on 2018-04-27T02:38:04Z No. of bitstreams: 1 TESE- definitivo.pdf: 1067218 bytes, checksum: 2b9dc35736a33ebf7173eff0816447a8 (MD5)<br>Rejected by Maria Lucia Martins Frederico null (mlucia@fca.unesp.br), reason: Prezada Como referiu o órgão financiador - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) é preciso inserir isso no Arquivo em Agradecimentos. Isso é uma das exigências do Repositório consideradas como OBRIGATÓRIA. A seguir insira o novo arquivo novamente no Repositório No aguardo on 2018-04-27T12:35
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Abuhaiba, Mohammad. "Mathematical Modeling and Analysis of a Variable Displacement Hydraulic Bent Axis Pump Linked to High Pressure and Low Pressure Accumulators." Connect to full text in OhioLINK ETD Center, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1240528916.

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Dissertation (Ph.D.)--University of Toledo, 2009.<br>Typescript. "Submitted as partial fulfillment of the requirements for the Doctor of Philosophy degree in Mechanical Engineering." Bibliography: leaves 203-209.
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Heller, Ondřej. "Akumulace energie z OZE." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218539.

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The objective of the first part of master’s thesis is mapping the potential of various types of renewable sources in Europe and Czech Republic, especially solar energy, wind energy, water energy and biomass. There are described principals and ways of energy generation from these sources, brief overview of current technologies, and also their advantages and limitations. An important part is electric supply continuity from renewable sources, there are large differences and the resulting to restrictions on construction and connecting the units to the power system. In this work there are mentioned
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Hedman, Martin. "Utvärdering av avfrostning med ackumulatortank för motströmsvärmeväxlare : En teoretisk forskningsstudie med fokus på effektiviserad avfrostning för motströmsvärmeväxlare i ventilationsaggregat." Thesis, Högskolan i Gävle, Energisystem, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-24254.

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The energy consumption in the world continues to increase, which makes energy saving measures important. In Sweden, where buildings account for a large part of total energy use, heat exchangers in ventilation are important to reduce energy consumption. However, Sweden's winters are often cold over large parts of the country, causing frost in the heat exchanger and high and uneven heating power requirements for ventilation units. The heating system in the building is required to manage the biggest power demand that may arise. From the ventilation unit, the greatest heating power requirement is
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Klusáček, Jan. "Řízení toků energie v energetickém systému s více akumulačními jednotkami." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-413128.

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Rozptýlená výroba elektrické energie využívající obnovitelné zdroje, jako je sluneční energie, přispívá ke snížení emisí skleníkových plynů. Z hlediska provozu distribuční soustavy je také výhodné, aby energie byla primárně spotřebována v místě výroby. To je částečně možné přizpůsobením spotřeby, ale především využitím akumulačních systémů. V této práci je představen hybridní systém složený z fotovoltaické elektrárny, akumulátoru elektrické energie a akumulátoru tepelné energie. Výběr a parametry všech částí hybridního systému jsou popsány v práci. Akumulátor elektrické energie je navržen a se
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Tavares, Lucas Alves. "O envolvimento da proteína adaptadora 1 (AP-1) no mecanismo de regulação negativa do receptor CD4 por Nef de HIV-1." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/17/17136/tde-06012017-113215/.

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O Vírus da Imunodeficiência Humana (HIV) é o agente etiológico da Síndrome da Imunodeficiência Adquirida (AIDS). A AIDS é uma doença de distribuição mundial, e estima-se que existam atualmente pelo menos 36,9 milhões de pessoas infectadas com o vírus. Durante o seu ciclo replicativo, o HIV promove diversas alterações na fisiologia da célula hospedeira a fim de promover sua sobrevivência e potencializar a replicação. A rápida progressão da infecção pelo HIV-1 em humanos e em modelos animais está intimamente ligada à função da proteína acessória Nef. Dentre as diversas ações de Nef está a regula
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"Inventory Accumulation, Cash Flow, and Corporate Investment." Doctoral diss., 2013. http://hdl.handle.net/2286/R.I.18145.

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abstract: I show that firms' ability to adjust variable capital in response to productivity shocks has important implications for the interpretation of the widely documented investment-cash flow sensitivities. The variable capital adjustment is sufficient for firms to capture small variations in profitability, but when the revision in profitability is relatively large, limited substitutability between the factors of production may call for fixed capital investment. Hence, firms with lower substitutability are more likely to invest in both factors together and have larger sensitivities of fixed
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Lu-Yao, Wang, and 王律堯. "FIELD MANIPULATIONS OF SPIN FLOW AND SPIN ACCUMULATION IN SEMICONDUCTORS." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/p49333.

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博士<br>國立交通大學<br>電子物理系所<br>96<br>The thesis of this work is to explore and to understand various ways of generating and manipulating spin flow and spin accumulation in a semiconductor by pure electrical means. Taking the intrinsic spin-orbit interaction (SOI) such as the Dresselhaus SOI and the Rashba SOI as our major wrenches on the electron spin, we focus upon two different regimes: the ballistic and the diffusive regimes. In a ballistic Rashba-type quantum channel, we demonstrate that time-modulation of the Rashba SOI coupling parameter, via an ac-biased finger gate, leads to a dc spin curre
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Chiang, Shen, and 江申. "The application of the Flow Accumulation Value of DEM for watershed runoff simulation." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/82724519712012034284.

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Naill, Michael C. "The use of flow cytometry to study variability of paclitaxel accumulation in Taxus cell suspension cultures." 2005. https://scholarworks.umass.edu/dissertations/AAI3163691.

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Plants synthesize a wide variety of compounds that are unnecessary for growth, commonly referred to as secondary metabolites. Due to their high specificity of function and wide range of structural variety, many secondary metabolites are valuable commercial products (e.g., dyes, fragrances, or pharmaceuticals). Unfortunately, plant cell culture technology has been underutilized industrially to supply these important compounds. Although improvement has been made in increasing productivity by strategies such as medium optimization, precursor feeding, and enzyme elicitation, many plant cell cultur
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Tu, Yi-hong, and 涂毅宏. "Experiments of debris flow induced by accumulation of particles by the action of water at the flume." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/11874556457995347075.

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碩士<br>國立中央大學<br>土木工程研究所<br>99<br>This research carries out granular flow experiments, by using high-speed camera to observe the role of particle movements caused by runoff. The flow behavior of accumulation of particles by the upstream water supply pressure and seepage, are examined and the image analysis technology to analyze the characteristics of granular flow. In this study, we use Voronoï Patterns method to analyze the velocity vector and flow characteristics of granular flow. In the process of fluidization, the combining of the particle and water is non-uniform in the snout. The particl
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Cho-HanChung and 鍾卓翰. "The Influence of Different Methods in Calculating the Effective Rainfall Accumulation on the Critical Time for Debris flow Warning." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/89093495637447850592.

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碩士<br>國立成功大學<br>自然災害減災及管理國際碩士學位學程<br>103<br>With steep topography, special geological conditions, typhoon seasons, and over developed hillsides, Taiwan frequently suffered debris flow hazards. Debris flows caused by typhoon Morakot in 2009 resulted in many fatalities, missing, and seriously economic loss in Taiwan. Therefore, it will be necessary to enhance public awareness of many debris-flow hazards and educate people how to react to these hazards. A rainfall-based debris-flow warning system is needed for preventing or mitigating debris-flow hazards. The basic conditions for debris-flow occu
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LIN, MING-HUI, and 林明慧. "The Effect of Body Image, Gender Role, Flow Experience on Re-participation Intention-An Exploratory Study of Half-Marathon Accumulation Running Activities." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/547x2w.

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碩士<br>大葉大學<br>休閒事業管理學系碩士班<br>106<br>The purpose of this study is to investigate the effect of body image, gender role, and flow experience on re-participation intention of junior high school students who participate in half-marathon accumulation running activities. This study also tries to understand the demographic differences in students’ body image, gender role, flow experience and re-participation intention. Convenience sampling method was applied in the study. There were 95 valid pre-test questionnaires and 432 valid formal questionnaires. Methods of statistics included item analysis, rel
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Marchenko, Sergey. "Subsurface fluxes of mass and energy at the accumulation zone of Lomonosovfonna ice cap, Svalbard." Doctoral thesis, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-334178.

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Glaciers cover ca 10% of the Earth's land and are found in the high altitudes and latitudes. They are important components of environmental systems due to the multiple feedbacks linking them with the atmosphere, hydrosphere and periglacial landscapes. The cold sloping surfaces of glaciers change the patterns of atmospheric circulation at different scales and at the same time glaciers are largely controlled by climate. They are commonly used as climatic archives for reconstruction of the past environmental changes based on evidences from the areas affected by glaciation at the moment and in the
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Lee, Sei Young. "Size and shape effects for the nano/micro particle dynamics in the microcirculation." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-08-1672.

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The nano/micro particles have been widely used as a carrier of therapeutic and contrast imaging agents. The nano/micro particles have many advantages, such as, specificity, controlled release, multifunctionality and engineerability. By tuning the chemical, physical and geometrical properties, the efficacy of delivery of nano/micro particle can be improved. In this study, by analyzing the effect of physical and geometrical properties of particle, such as, size, shape, material property and flow condition, the optimal condition for particle delivery will be explored. The objectives of this study
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Khan, AASMA ARIF. "EFFECTS OF ADDITIONAL SODIUM BICARBONATE ON EXTRA/INTRA CELLULAR FACTORS IN A CONTINUOUS FLOW BIOREACTOR FOR THE PRODUCTION OF TISSUE ENGINEERED ARTICULAR CARTILAGE." Thesis, 2012. http://hdl.handle.net/1974/7624.

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Articular cartilage has a low propensity for self-repair, due to which 27 million people are affected by osteoarthritis every year in North America. The current repair techniques used for cartilage defects possess flaws that reduce long-term clinical success. Tissue engineering carries with it the promise of engineering hyaline-like cartilage with physical and biochemical properties, similar to that of native cartilage. This being said, the primary objective of my project was to engineer clinically relevant sized articular cartilage constructs. To achieve my objective, first, I investigated t
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Paull, Charles K., and III William Ussler. "RE-EVALUATING THE SIGNIFICANCE OF SEAFLOOR ACCUMULATIONS OF METHANE-DERIVED CARBONATES: SEEPAGE OR EROSION INDICATORS?" 2008. http://hdl.handle.net/2429/1084.

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Occurrences of carbonate-cemented nodules and concretions exposed on the seafloor that contain cements with light carbon isotopes, indicating a contribution of methane-derived carbon, are commonly interpreted to be indicators of seafloor fluid venting. Thus, their presence is commonly used as an indicator of the possible occurrence of methane gas hydrate within the near subsurface. While some of these carbonates exhibit facies that require formation on the seafloor, the dominant fine-grained lithology associated with these carbonates indicates they were formed as sedimenthosted nodules w
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Günther, Susanne. "Population structure and dynamics of polyphosphate accumulating organisms in a communal wastewater treatment plant." Doctoral thesis, 2011. https://tud.qucosa.de/id/qucosa%3A26072.

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Polyphosphat-speichernde Bakterien entfernen das im Abwasser enthaltene Phosphat durch Speicherung in Form von Granula, die dann mit einem Teil des Belebtschlammes aus dem Abwasser entfernt werden können. Dies ist wichtig um negative Einflüsse auf Oberflächengewässer wie Flüsse und Seen so gering wie möglich zu halten. Trotz intensiver Forschung ist der Prozess der sogenannten biologischen Phosphatelimination oft uneffektiv und im Jahresverlauf instabil, da über die im Belebtschlamm aktiven Polyphosphat-speichernden Bakterien nur wenig bekannt ist. Hauptproblem ist hierbei die geringe Kultivie
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Azimi, Yaldah. "The Effect of Physicochemical Properties of Secondary Treated Wastewater Flocs on UV Disinfection." Thesis, 2013. http://hdl.handle.net/1807/43942.

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The microbial aggregates (flocs) formed during secondary biological treatment of wastewater shield microbes from exposure to ultraviolet (UV) light, and decrease the efficiency of disinfection, causing the tailing phenomena. This thesis investigates whether the formation of compact cores within flocs induces higher levels of UV resistance. Moreover, it investigates the effect of secondary treatment conditions on the physicochemical properties of flocs’, effluent quality, and UV disinfection performance. Compact cores were isolated from the flocs using hydrodynamic shearing. The UV dose resp
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Carr, John. "A 26 GHz Phase-Locked Loop Frequency Multiplier in 0.18-um CMOS." Thesis, 2009. http://hdl.handle.net/1974/1796.

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This thesis presents the analysis, design and characterization of an integrated high-frequency phase-locked loop (PLL) frequency multiplier. The frequency multiplier is novel in its use of a low multiplication factor of 4 and a fully differential topology for rejection of common mode interference signals. The PLL is composed of a voltage controlled oscillator (VCO), injection-locked frequency divider (ILFD) for the first divide-by-two stage, a static master-slave flip-flop (MSFF) divider for the second divide-by-two stage and a Gilbert cell mixer phase detector (PD). The circuit has bee
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