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Dissertations / Theses on the topic 'Circulation channels'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Hartley, S. A. "ATP regulated ion channels in arterial smooth muscle cells." Thesis, University of Oxford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298264.

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2

Eid, Basma. "The pharmacology & therapeutic potential of Kv7 channels in the pulmonary circulation." Thesis, University of Manchester, 2014. https://www.research.manchester.ac.uk/portal/en/theses/the-pharmacology--therapeutic-potential-of-kv7-channels-in-the-pulmonary-circulation(6a9bb4a3-eb2a-4135-91b2-ca598f041f86).html.

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Pulmonary arterial tone is regulated in part by the membrane potential (Em) of pulmonary artery smooth muscle cells (PASMCs). The Kv7 family of K+ channels was recently implicated in regulating Em in rat PASMCs and expression of KCNQ1, KCNQ4 and KCNQ5 mRNA, which encode Kv7 channels, was reported. Kv7 activators were beneficial in two-independent mouse models of pulmonary hypertension (PH), which provides further evidence for their role in regulating pulmonary tone. The goals of this study were to: 1) Elucidate the role of Kv7 channels and Em in the hypertensive pulmonary circulation and 2) St

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3

Гуренко, Ірина Вікторівна, Наталя Євгеніївна Твердохлєбова та Євгеній Олександрович Семенов. "Циркуляційні окислювальні канали". Thesis, НТУ "ХПІ", 2012. http://repository.kpi.kharkov.ua/handle/KhPI-Press/29749.

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Головною причиною загострення проблеми забезпечення населення питною водою є зростання антропогенного навантаження на водні ресурси в результаті інтенсивного хімічного, біологічного та радіаційного забруднення джерел питного водопостачання. Окислювальні канали економічні і представляють великий практичний інтерес для очищення стічних вод невеликих міст, селищ міського типу і окремих підприємств.<br>The main reason for the aggravation of the problem of providing drinking water is growing anthropogenic pressure on water resources as a result of intensive chemical, biological and radioactive cont

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4

Damm, Martin. "Mechanismen der hyperkapnieinduzierten Koronardilatation am isolierten Mausherz." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2008. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1219159555517-07583.

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Eine optimale Regulation der Koronardurchblutung ist für die Aufrechterhaltung der kardialen Pumpfunktion und damit der systemischen Perfusion von größter Bedeutung. Da Einschränkungen der Durchblutungszunahme des Herzmuskels Einschränkungen des maximalen myokardialen Sauerstoffverbrauchs und damit der Herzleistung zur Folge haben, ist es notwendig, die Koronardurchblutung kurzfristig an die jeweilige Stoffwechsellage des Herzens anzupassen (metabolische Koronarflussregulation). Die lokal-metabolischen Mechanismen gehören zu den wirksamsten Komponenten der Regulation der myokardialen Durchblut

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5

Négrel, Nathalie. "Circulations transnationales des discours télévisuels : TV5 Monde, France 24 et les migrations subsahariennes." Thesis, Toulouse 2, 2015. http://www.theses.fr/2015TOU20049.

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Cette recherche questionne la configuration spécifique des chaînes internationales de télévision, à travers deux cas précis, ceux de TV5 Monde et France 24. La focalisation sur ces deux acteurs médiatiques nous permet d’interroger de manière concrète et empirique la circulation transnationale des contenus télévisuels. En outre, nous avons choisi de questionner la production des contenus au sein de ces chaînes en nous concentrant sur un thème qui se trouve au cœur des réflexions sur la « globalisation » et les postcolonial studies, les migrations subsahariennes. Afin de questionner les spécific

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6

Wadley, Martin Robert. "Modelling the bottom water circulation in the Vema Channel." Thesis, University of East Anglia, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.482778.

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7

Musiak, Jeffery Daniel. "Three-dimensional circulation dynamics of along-channel flow in stratified estuaries /." Thesis, Connect to this title online; UW restricted, 1998. http://hdl.handle.net/1773/6823.

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8

Qin, Qubin. "A Study of Vertical Patterns and Mechanisms of Along-Channel Estuarine Circulation." W&M ScholarWorks, 2012. https://scholarworks.wm.edu/etd/1539617913.

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The classical theory of estuarine dynamics has been challenged by a number of recent studies regarding the important contributions of tidal, lateral, and Coriolis effects to the subtidal dynamics at leading order. Although the classical theory excluded these processes, Hansen and Rattray’ ( R65) b subtidal circulation. However, the success of the predictive skill is not well understood. In this thesis, a perturbation approach is introduced to derive a “ ” (GS) of subtidal along-channel velocity profile for estuarine circulation incorporating the effects of tidal and lateral processes, which al

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9

Walicka, Kamila. "Impacts of basin-scale forcing on the circulation of the Faroe-Shetland Channel." Thesis, University of Aberdeen, 2019. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=240735.

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The investigation of the role of basin-scale forcing on the circulation of the Faroe-Shetland Channel (FSC) is important to further understanding of the inter-annual variability of the Atlantic water (AW) fluxes in this region. The FSC plays a key role in the transfer of warm and saline AW towards the Nordic Seas that is an integral part of the Atlantic Meridional Overturning Circulation which is projected to decline over the twenty-first century and might reduce the oceanic heat and salt transports towards the Arctic. So far little attention has been paid to the mechanisms driving the AW flux

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10

Novychenko, S. D. "Influence of ACE inhibitors and calcium channel blockers on the blood circulation in the kidney parenchyma." Thesis, БДМУ, 2021. http://dspace.bsmu.edu.ua:8080/xmlui/handle/123456789/18907.

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11

REYES, SUAREZ NYDIA CATALINA. "Surface Circulation Structures in the Malta Sicily Channel derived from HF radar and altimetry: Estimation, validation and analysis." Doctoral thesis, Università degli Studi di Trieste, 2018. http://hdl.handle.net/11368/2922575.

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Il Canale Malta e Sicilia fa parte del sistema di canali della Sicilia, dove avvengono gli scambi idrici e le proprietà termoaline tra i bacini del Mediterraneo orientale e occidentale; allo stesso tempo questo scambio influenza i processi biologici ed è rilevante dal punto di vista produttivo e ambientale. Un campo geostrofico è stato calcolato da dati AVISO di Absolute dynamic topography, quei set di dati includono MADT a partire da Gennaio 1993 a Dicembre 2015. D'altra parte, i campi di vento vanno da Gennaio 1988 a Dicembre 2011 dal CCMP (Cross-Calibrated Multi-Platform wind vector analysi

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12

Sangweni, Lucy Sithombesethu. "Experimental and numerical modelling investigations of the response of a two-phase natural circulation multi-parallel channel system." Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/97140.

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Thesis (MEng)--Stellenbosch University, 2015.<br>ENGLISH ABSTRACT: In the present study, two-phase natural circulation flow in a multi-parallel channel system was investigated using experimental and numerical modelling. The investigation was carried out under different power excitations and various system operations (open system, closed system and heat pipe mode). The multichannel system was equipped at the upper end with a condenser enclosed within a steam drum, while the lower portion of each channel was heated to heat the system. For the numerical modelling, transient one-dimensional c

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13

Halo, Issufo Ferrão Mário. "The influence of ocean ridges on the circulation to the south of the Mozambique channel and Madagascar." Master's thesis, University of Cape Town, 2008. http://hdl.handle.net/11427/6478.

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Includes abstract.<br>Includes bibliographical references (leaves 85-92).<br>The Mozambique Channel and the region south of Madagascar are dominated by high variability of the oceanic flow due to the ubiquitous presence of mesoscale eddies. The bottom topography of this region has several shallow ridges. The water flowing through the Mozambique Channel propagates southwards predominantly as a train of anti-cyclonic eddies, moving towards the Agulhas Current. South of Madagascar, dipolar vortices regularly propagate in a south-westward direction. Their deep extent favours interaction with the s

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14

Cudaback, Cynthia Nova. "The effect of vertical mixing on along channel transport in a layered flow /." Thesis, Connect to this title online; UW restricted, 1998. http://hdl.handle.net/1773/6821.

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15

Orbi, Abdellatif. "Circulation de marée dans le Golfe normand-breton." Brest, 1986. http://www.theses.fr/1986BRES2024.

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Une etude de la circulation de maree dans le golfe normand-breton est menee conjointement par un modele numerique bidimensionnel horizontal de maille fine (1 mille nautique) et par des mesures, des courants lagrangiens et euleriens, de longues durees. La confrontation de ces deux methodes d'approche de la circulation a permis de valider les resultats du modele numerique. Ensuite ce dernier a ete utilise pour reproduire la circulation residuelle (circulation a long terme) dans tout le domaine d'etude. Les mecanismes de production de vorticite residuelle ont ete egalement apprehendes

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16

Wang, Liping. "The dynamic role of ridges in a β-plane channel : towards understanding the dynamics of large scale circulation in the Southern Ocean". Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/57741.

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17

Wang, Fei. "Gas-Solid Fluidization: ECVT Imaging and Mini-/Micro-Channel Flow." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1290390285.

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18

Louchart, Arnaud. "Dynamique spatio-temporelle des communautés phytoplanctoniques côtières et de leurs caractéristiques intrinsèques, à partir d'une approche automatisée à haute résolution Phytoplankton distribution from Western to Central English Channel, revealed by automated flow cytometry during the summer-fall transition Spatial niches of phytoplankton functional groups assessed during a spring bloom development in two temperate coastal seas Untangling the vertical distribution of phytoplankton groups along a salinity gradient through the Baltic Sea and the Skagerrak-Kattegat straits." Thesis, Littoral, 2020. http://www.theses.fr/2020DUNK0556.

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Au sein des écosystèmes côtiers, la composition, la distribution et la dynamique phytoplanctoniques sont influencées par les variations spatio-temporelles des structures hydrologiques et des para mètres biogéochimiques, sous les pressions naturelles et anthropiques. Les suivis de référence, de par leur faible résolution spatiale et temporelle, peuvent manquer des événements-clés comme l'initiation ou la fin des efflorescences ou nuisibles (du type Harmful Algal Blooms). Pour permettre leur détection et mieux comprendre la distribution et la dynamique de ce compartiment à la base des réseaux tr

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19

Watanabe, Reina. "Contribution of K+ Channels to Coronary Dysfunction in Metabolic Syndrome." Thesis, 2009. http://hdl.handle.net/1805/1908.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>Coronary microvascular function is markedly impaired by the onset of the metabolic syndrome and may be an important contributor to the increased cardiovascular events associated with this mutlifactorial disorder. Despite increasing appreciation for the role of coronary K+ channels in regulation of coronary microvascular function, the contribution of K+ channels to the deleterious influence of metabolic syndrome has not been determined. Accordingly, the overall goal of this investigation was to delineate the mechanistic contribution o

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20

Kuo, Ivana Yih-tsue. "Involvement of non-L-type calcium channels in cerebrovascular function." Phd thesis, 2010. http://hdl.handle.net/1885/151693.

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21

Permata, Della. "Water circulation pattern in the main channels of Ria Formosa based on tidal analysis." Master's thesis, 2013. http://hdl.handle.net/10400.1/3559.

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Dissertação de mest., Eco-Hidrologia, Faculdade de Ciências e Tecnologia, Univ. do Algarve, 2012<br>Ria Formosa lagoon, Southern coast of Portugal is considered as a very dynamic system. Current and water level data measurements of tidal dynamic in the main channels of Ria Formosa lagoon had been carried to figure out the hydrodynamic water circulation patterns. The aims of this study in general is to generate a recent hydrodynamic water circulation patterns based on tidal analysis, with the output of tidal dynamic characteristic (tidal propagation, tidal asymmetry and tidal distortion, e

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22

Berwick, Zachary C. "Role of Voltage-Dependent K+ and Ca2+ Channels in Coronary Electromechanical Coupling: Effects of Metabolic Syndrome." Thesis, 2012. http://hdl.handle.net/1805/3017.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>Regulation of coronary blood flow is a highly dynamic process that maintains the delicate balance between oxygen delivery and metabolism in order to preserve cardiac function. Evidence to date support the finding that Kv and Cav1.2 channels are critical end-effectors in modulating vasomotor tone and blood flow. Yet the role for these channels in the coronary circulation in addition to their interdependent relationship remains largely unknown. Importantly, there is a growing body of evidence that suggests obesity and its pathologic co

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23

Pothina, Dharhas. "A multimodel approach to modeling bay circulation in shallow bay-ship channel systems." 2009. http://hdl.handle.net/2152/17394.

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Numerical modeling of shallow microtidal semi-enclosed estuaries requires the effective simulation of physical processes with a wide range of temporal and spatial scales. In theory, application of sufficient grid resolution in both the horizontal and vertical should result in a reasonable simulation. However, in practice, this is not the case. Fully resolving the finest scales can be computationally prohibitive, and various algorithmic assumptions can break down at fine resolutions, leading to spurious oscillations in the solution. One method of simulating inherently cross-scale phenomena is t

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24

Mavodza, Emma. "Investigating channels of cash circulation adopted by unbanked (African) migrants in Pretoria Central Business District (CBD)." Thesis, 2016. http://hdl.handle.net/10539/21896.

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Research Report submitted in partial fulfilment of the requirements of a Master of Arts Degree in Development studies by Coursework and Research Report. Faculty of Humanities, University of Witwatersrand 2016<br>This study explored cash circulation channels adopted by unbanked migrants in Pretoria Central Business District (CBD), South Africa. To understand the complex nature of cash circulation and the subjective practices of migrants, in-depth interviews were conducted with sixteen migrants selected through snowballing sampling. Collected primary data were analysed thematically, from parti

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25

"Loss of potassium ion channels in the cerebral circulation of hypertensive rats: Membrane associated proteins and myogenic tone." UNIVERSITY OF ARKANSAS FOR MEDICAL SCIENCES, 2010. http://pqdtopen.proquest.com/#viewpdf?dispub=3371361.

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26

Jeng, Haw-Ran, and 鄭浩然. "Theoretical Analysis of a Natural Circulation Boiling Channel." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/55494569332525159651.

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27

Chen, Wei-Lin, and 陳葦霖. "Hysteresis Effect and Channel-to-Channel Interaction in a Double-Channel Two-Phase Natural Circulation Loop." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/44563856438932918604.

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28

Ohashi, Kyoko. "Circulation in the Santa Maria Basin and Santa Barbara Channel." 2003. http://catalog.hathitrust.org/api/volumes/oclc/57239654.html.

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29

Li, Chunyan. "Tidally induced residual circulation in estuaries with cross channel bathymetry." 1996. http://catalog.hathitrust.org/api/volumes/oclc/50596770.html.

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30

Qiu, Bo-Ying, and 邱柏穎. "Circulating system for cooling and power supply of light-emitting diodes by using microfluidic channels." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/73174704771394964315.

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碩士<br>明志科技大學<br>機械工程系機械與機電工程碩士班<br>104<br>Nowadays, the trend of electronic product development includes thin and low-weight, multi-function and high density of component. The electron-ic chip features the tendency of high speed, high power and high density, and the amount of heat per unit area will rise sharply. When the volume of pack-age is reduced, poor heat dissipation will be the reason for the failure of the product. We propose that the solid conductive wire can be replaced by the mi-cro-channel of ejecting electrolyte, and the electrolyte can supply energy and exchange heat in this stu

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31

Lin, Yuh-Ger, and 林郁格. "The nonlinear dynamic analysis of a single boiling channel two-phase circulation loop under external vertical vibration condition." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/325qyq.

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32

Tung, Yu-Hsin, and 董宇新. "Numerical Computations On Natural Circulation In A VHTR After A LOFA Using Subdomain Models Ranging From Single Channel To 1/12 Core." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/62330192034175615041.

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博士<br>國立清華大學<br>核子工程與科學研究所<br>102<br>A prismatic gas-cooled very high temperature reactor (VHTR) is being developed under the next generation nuclear plant program (NGNP) for the United States Department of Energy. It is of interest to know the flow and temperature distributions in the core during normal operation and, especially for the thermal hydraulic phenomena in the reactor core during particular accident scenarios. The accident analysis is initiated from normal operating conditions. The accuracy of the simulation for the normal operating condition depends on many design considerations f

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33

Rahimian, M. "Assessing the performance of horizontal axis marine current turbines : the impact of evaluation methods and inflow parameters." Thesis, 2018. https://eprints.utas.edu.au/30217/1/Rahimian_whole_thesis_ex_pub_mat.pdf.

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The oceans offer a considerable sustainable energy resource in the form of wave, marine currents and thermal energy and provide a potential alternative to fossil fuels. Marine current, or tidal, energy can be harnessed using horizontal axis marine current turbines (HAMCTs). In this work, the performance of a 2-bladed HAMCT was extensively investigated using experimental, theoretical and numerical models under different flow conditions. The motivation behind the study was to assess the influence of various parameters, associated with an evaluation method and those involved in the environment of

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