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Dissertations / Theses on the topic 'Selective filtration'

Author: Grafiati

Published: 30 November 2024

Last updated: 31 July 2025

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1

Rodrigues, Ana Raquel Gonçalves. "Fibrous membranes for selective filtration of juices." Master's thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/14920.

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Mestrado em Biotecnologia - Biotecnologia Alimentar<br>The present study proposes the development of electrospun fibrous membranes with high selectivity and affinity for patulin retention throughout the apple juice clarification process. Nanostructured bi- and tridimensional materials can be obtained by electrospinning with very large surface-to-volume ratio, high porosity and interconnectivity, making them very attractive for a large number of applications including separation processes. Other remarkable methodology is the molecular imprinting. This is a technique that creates molecul

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2

Conley, Keats. "Mechanics and Selectivity of Filtration by Tunicates." Thesis, University of Oregon, 2018. http://hdl.handle.net/1794/23121.

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The preferential grazing of an organism on certain particles from the environment (selective feeding) impacts particle compositions and distributions in aquatic systems. Historically, selective feeding has been examined almost exclusively through the lens of particle size. In this dissertation, I investigated size-based selection alongside particle shape, adhesive interactions, and the mechanical operation of the filter to characterize the selective-feeding capabilities of marine mucous-mesh filter-feeders (the planktonic appendicularian Oikopleura dioica and the benthic ascidians Herdmania mo

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3

Moroi, Morgan K. "Antibody-modified conduits for extracorporeal selective cytokine filtration in sepsis." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/105687.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2016.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 37-39).<br>Sepsis kills millions of people worldwide each year and occurs when microorganisms enter the bloodstream of an infected host. The presence of microorganisms in the bloodstream triggers the body to produce many inflammatory proteins, known as cytokines, that cause damage to blood vessels and vital organs. This leads to capillary leak, failing organs, and often death. We have developed a novel approach t

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4

Mundy, Lauren Nicole. "Characterization of gravitational filtration to enrich selective equine bone marrow elements." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1406675577.

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5

Chateauneuf-Randon, Sixtine de. "Membranes d'hydrogel pour une filtration sélective." Electronic Thesis or Diss., Sorbonne université, 2024. http://www.theses.fr/2024SORUS255.

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Les hydrogels sont des matériaux polymères hydrophiles qui retiennent de grandes quantités d’eau tout en conservant une structure tridimensionnelle, ce qui les rend adaptés à des applications biomédicales et de filtration. Ce manuscrit se concentre sur les membranes d’hydrogels fabriquées à partir de polyéthylène glycol diacrylate (PEGDA) réticulé par UV en présence de chaînes de polyéthylène glycol (PEG) et d’un photoamorceur. Les membranes PEGDA/PEG sont sélectionnées pour leur robustesse mécanique et leur perméabilité élevée qui peut être ajustée en fonction de la concentration et de la mas

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6

Ho, Wing-yuen, and 何永源. "Selective plasma filtration as a liver support system for patients with fulminant hepatic failure." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B29892739.

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The Best MPhil Thesis in the Faculties of Dentistry, Engineering, Medicine and Science (University of Hong Kong), Li Ka Shing Prize,2003-2005<br>published_or_final_version<br>abstract<br>toc<br>Surgery<br>Master<br>Master of Philosophy

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7

Morgan, Jacqueline Susan. "Reactions of metal complexes with Lewis bases and their utilisation in the selective filtration of smoke." Thesis, London Metropolitan University, 1985. http://repository.londonmet.ac.uk/3449/.

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This thesis is concerned with internal redox reactions of metal complexes and the application of such reactions in the selective filtration of tobacco smoke. The reactions of Fe(II), Fe(III) and Cu(II) quinoneoximic complexes and of some other complexes of these metals with Lewis bases (e.g. Ph3P and py) have been investigated. From the results obtained and from a critical consideration of analogous reactions reported in the literature the behaviour of metal chelates towards Lewis bases has been assessed. It has been established that the reaction between a metal chelate and a Lewis base may le

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8

Hansson, Jonas. "Microfluidic blood sample preparation for rapid sepsis diagnostics." Licentiate thesis, KTH, Cellens fysik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-96313.

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Sepsis, commonly referred to as blood poisoning, is a serious medical condition characterized by a whole-body inflammatory state caused by microbial infection. Rapid treatment is crucial, however, traditional culture-based diagnostics usually takes 2-5 days. The overall aim of the thesis is to develop microfluidic based sample preparation strategies, capable of isolating bacteria from whole blood for rapid sepsis diagnostics. Although emerging technologies, such as microfluidics and “lab-on-a-chip” (LOC) devices have the potential to spur the development of protocols and affordable instrume

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9

Sirový, Martin. "Snižování oxidů dusíku z proudu spalin na speciálních filtračních materiálech." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230898.

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This thesis deals with the reduction of oxides of nitrogen (NOx) which are part of the exhaust gas combustion devices. The focus is on reduction of NOx by selective catalytic reduction (SCR) and catalyst filtration. The first part of this work deals with the formation of NOx, their hazards and related legislation. The following is an overview of the available technologies to reduce NOx in the flue gas and comparison of this methods. The following section describes the experimental catalytic filtration unit INTEQ II, where the first real experiment selective catalytic reduction of NOx with ammo

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10

Benedikt, Annemarie. "Herstellung nicht-hierarchischer und hierarchischer, poröser Polymermembranen mittels selektiv benetzter Oberflächen und partikelassistierter Benetzung." Doctoral thesis, Universitätsbibliothek Chemnitz, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-119783.

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Gegenstand dieser Arbeit ist die Herstellung nicht hierarchischer und hierarchischer, poröser Polymermembranen mittels eines Templatverfahrens. Bei der Herstellung der hierarchischen Membranen wird eine Stützschicht mit mikrometergroßen Mulden und eine aktive Membranschicht mit submikrometergroßen Poren in einem Arbeitsschritt und aus einem Material erzeugt. Als Template für die Poren der nicht hierarchischen Membranen bzw. Mulden der hierarchischen Membran in der Stützschicht dienen Flüssigkeitstropfen. Diese werden auf Substraten mit Bereichen unterschiedlicher Benetzbarkeit erzeugt. Die Sub

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11

Wang, Lu. "Valorization of apple by-products by the extraction and purification of polyphenols : impact of the ultrasound." Thesis, Compiègne, 2019. http://www.theses.fr/2019COMP2509/document.

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Cette thèse porte sur l'intensification de l'extraction de polyphénols à partir de produits à base de pomme (chair, peau et marc) par ultrasons (US) et sur la purification d'extraits de peau de pomme par adsorption/désorption et technologie membranaire. L'extraction sélective des polyphénols issus des produits de la pomme a été analysée. Les données obtenues ont démontré la possibilité d’une régulation fine de l’extraction sélective de la matière soluble, de la catéchine et des composés polyphénoliques totaux en utilisant différentes températures, protocoles UAE, mélanges éthanol/aqueux. La sé

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12

Madsen, Christian. "Rapid mixing and filter polymer selection for the filtration of alum clarified water." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ60465.pdf.

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13

Krejčí, Tomáš. "Středotonážní spalovna odpadů - systém čištění spalin." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231797.

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Analysis of the regional energy supply, shows that suitable alternative may be a combination of primary energy sources with the municipal solid waste to energy plant. Starting from the fact that the regional thermal energy needs are characterized by smaller power demand, but relatively significant seasonal fluctuations in heat supply. These factors limit the processing performance of the considered waste to energy plant that could be included in the system of regional energy supply. The aim of the thesis was to propose adequate treatment capacity for regional waste to energy plant and explore

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14

Віннічук, Михайло Володимирович. "Оптимізація коефіцієнтів передавальної функції цифрового фільтра на основі генетичного алгоритму". Master's thesis, КПІ ім. Ігоря Сікорського, 2019. https://ela.kpi.ua/handle/123456789/31861.

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Структура й обсяг дипломної роботи Магістерська дисертація складається зі вступу, шести розділів, висновку, переліку посилань з 30 найменувань, 2 додатків і містить 23 рисунки, 22 таблиці. Повний обсяг магістерської дисертації складає 77 сторінок, з яких перелік посилань займає 2 сторінки. Актуальність теми. Цифрова фільтрація – це те, без чого сьогодні не обходиться ніхто. Такі речі як мобільні телефони, медичні пристрої, розумні транспортні засоби, радарні станції, телекомунікації можуть робити різноманітні речі, такі як програвання аудіо і відео, обробка фотографій, прийом і передача сигн

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15

Linda, Matúš. "Tlakové ztráty nosičů katalyzátorů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-378393.

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The diploma thesis is divided into four main parts. The first part deals with the issue of waste management and its energy utilization in waste incineration. Processed harmful substances produced by incineration as well as emission limits. It deals with the types of catalytic carriers, their description, production and more detailed processing of ceramic foam VUKOPOR. The second part is devoted to technologies utilizing catalytic processes and a more detailed specification of the process. In the third part there is processed the calculation methods for pressure losses for individual types of c

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16

Zhou, Yan [Verfasser], Rudolf [Gutachter] Liedl, Olaf [Gutachter] Kolditz, and Holger [Gutachter] Weiß. "Development of a GIS and model-based method for optimizing the selection of locations for drinking water extraction by means of riverbank filtration / Yan Zhou ; Gutachter: Rudolf Liedl, Olaf Kolditz, Holger Weiß." Dresden : Technische Universität Dresden, 2021. http://d-nb.info/1227833202/34.

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17

Andersson, Egerlid Axel, and Fredrik Westin. "Design of filter cloth analyser : Development of a portable filter cloth selection tool for filters used to regenerate the acid used in the pickling process during the production of stainless steel." Thesis, Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-71474.

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The stainless steel industry is an industry which manufactures one of the most used ma-terials in the world. Even though the vast size of the industry many might not reflect werethe steel comes from when buying their IKEAcutlery etc. But in fact this industry is moreintricate and complex than one might think.During the manufacturing process, the steelgoes through several processes. One of thoseprocesses is done by treating the steel withstrong acid. This chemical process is calledpickling. The pickling process is what createsthe characteristic smooth and shiny surface ofa product made in stain

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18

Chou, Chen-Pei, and 周宸霈. "Data-Selective Gaussian Process Model for Modeling Membrane Filtration and Iterative Learning Control Design." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/51817651993631207514.

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碩士<br>中原大學<br>化學工程研究所<br>103<br>The membrane permeate flux will decrease with the increasing operating time mainly because of the resistance generated by fouling on the membrane surface and pore. In order to identify the change of membrane fouling, several data-driven modeling methods, such as partial least squares (PLS) and artificial neural networks (ANNs), have been used to identify the fouling change. However, the PLS model is linear, so it is insufficient to capture the nonlinear relationship in the fouling mechanism. Although ANN is able to model the nonlinear relationship, it is still d

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19

Zhou, Yan. "Development of a GIS and model-based method for optimizing the selection of locations for drinking water extraction by means of riverbank filtration." 2020. https://tud.qucosa.de/id/qucosa%3A73296.

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The lack of safe drinking water worldwide has drawn the attention of decision makers to riverbank filtration (RBF) for its many advantages in purifying surface water. This study provides an overview of the hydrogeologic, fluvial, and environmental influences on the performance of RBF systems and aims to develop a model for RBF site selection. Using multi-attribute utility theory (MAUT), this study structured the RBF siting problem and assessed a multiplicative utility function for the decision maker. In a case study, geostatistical methods were used to acquire the necessary data and geographic

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