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Dissertations / Theses on the topic 'Process affinity'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Amer, Ahmed Shawky Abdelsalam Abdrabo. "Investigation on cohesion and bitumen/aggregate affinity of rubberized porous asphalt by dry process." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016.

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The purpose of this study is to investigate the effect of crumb rubber on the performance characteristics of porous asphalt mixture in terms of binder/aggregates affinity and mixture cohesion. The recycling of scrap tires in asphalt pavements appears as an important alternative providing a large-scale market. The characteristics of bitumen are very important with regard to service life of porous asphalt pavement. The experimental study consists of two main steps: Step I, sample fabrication by Marshall method with and without crumb rubber (worth mentioning that the mix design was performed in

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2

Horn, Carsten. "Downstream processing with affinity chromatography : a study of a continuous process for biospecific adsorption." Thesis, University of South Wales, 1993. https://pure.southwales.ac.uk/en/studentthesis/downstream-processing-with-affinity-chromatography-a-study-of-a-continuous-process-for-biospecific-adsorption(acd33b1a-fed5-47b3-9b01-b389810c1466).html.

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A polymer matrix of hydroxy ethyl methacrylate - ethylene glycol dimethacrylate was synthesised and coupled with the ligand p-aminobenzamidine. Although the adsorbent displayed sufficient affinity towards trypsin, the overall adsorption performance was not satisfactory. Subsequent studies were carried out with a p-aminobenzamidine silica adsorbent, which gave far superior results. Amounts of up to 35 mg of trypsin per g of silica could be adsorbed from a porcine pancreatic extract at buffer conditions of 0.05 M Tris, 0.5 M NaCl, pH 8. Complete elution was achieved with a buffer of 0.1 M acetic

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3

Marinus, Thurston Walter. "The role of communities in the recruitment and retention process of medical doctors for rural South Africa." University of Western Cape, 2013. http://hdl.handle.net/11394/3933.

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Magister Commercii - MCom<br>The purpose of this research study is to explore the variables that contribute to improving the process of recruiting and retaining rural doctors within the South African context. The aim is to explore rural doctors’ perceptions of the role which the rural community can and ought to play in respect of the latter process. A basic recognition is that the emphasis on the Mainstream Approach (which elevates health workforce planning and management as well as market-related interventions and solutions) cannot exclusively achieve the desired result of effective and effi

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4

Buckley-Smith, Marion. "The Use of Solubility Parameters to Select Membrane Materials for Pervaporation of Organic Mixtures." The University of Waikato, 2006. http://hdl.handle.net/10289/2625.

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Pevaporation is a method for separating volatile components from liquid mixtures at ambient temperatures. The paint processing industry uses Hansen solubility parameters (HSP) to indicate polymer solubility. The potential of this method to predict solvent-polymer affinity was investigated for screening potential membrane materials for the pervaporation of a model solution containing linalool and linalyl acetate (major components of lavender essential oil), in ethanol. Published HSP values were collated for various polymers, and statistically analysed to determine variations in HSP values for p

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5

Conti, Sofia Alessandra. "Monoclonal antibodies purification via Protein G and protein A affinity chromatography." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.

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realization of a pilot scale affinity protein G chromatography for the purification of small volumes of supernatant from different harvests from the same antibody clone. The objective was to make a study on the productivity of each harvest, investigating for a dilution effect in case of an increasing number of harvests, and to have a rapid retention kit for the quality control of the purified antibody. Moreover, an identical column packed with protein A has been tested with the same products, in order to see if there was space for a yield improvement, and a further scale-up.

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6

Onesti, Riccardo. "Characterization of a ceramic monolithic support for affinity protein chromatogrophy." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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Affinity chromatography is a process for the separation of biomolecules from complex mixtures. Its versatility, high selectivity and efficiency make it the most currently used method in the final stages of purification of pharmaceutical and food industries, where a high degree of purity is required. Conventional affinity chromatography uses packed beads as solid support and suffers of several limitations, such as high material costs, high operating costs, intraparticle diffusion as primary transport phenomenon and difficulties in column packing. Therefore, it is necessary to develop and char

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7

FARINA, PIERPAOLO. "LE AFFINITÀ ELETTIVE. IL RAPPORTO TRA MAFIA E CAPITALISMO IN LOMBARDIA." Doctoral thesis, Università degli Studi di Milano, 2021. http://hdl.handle.net/2434/853301.

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La tesi di dottorato analizza le cause della crescente «domanda di mafia» in Lombardia, regione unanimemente considerata la «locomotiva d’Italia», che può vantare una lunga e importante tradizione civica e imprenditoriale, ma che negli ultimi anni è stata colpita dalle prime condanne per associazione mafiosa di alcuni suoi imprenditori. Recuperando il concetto di «affinità elettive» di Pierre Bourdieu, il lavoro di ricerca ricostruisce le tappe del radicamento mafioso nel tessuto socio-economico, politico e culturale regionale, in particolare nella città di Milano. In una prospettiva diacr

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8

INGEGNERI, Anna. "L'Educazione come infinito processo di formazione; un'indagine su controversie e affinità fra i due termini." Doctoral thesis, Università degli studi di Ferrara, 2014. http://hdl.handle.net/11392/2389398.

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The following research work dwells upon the etymologies and meanings of the terms “education” and “training” as stated both in different Italian language dictionaries and in specialized wordbooks, starting from the 1970s to date. Next comes a critical analysis of several authors and their points of view about the Science of Education, to emphasize how the use of these two words is often unclear and confused. The present research aims to underline not only the linguistic difference but also and above all the dissimilarity in meaning between the concepts of education and training, besides t

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9

Troiano, Claudia. "Caratterizzazione di membrane per la purificazione di anticorpi." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/12532/.

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Negli ultimi decenni l'utilizzo delle biotecnologie e delle tecniche di DNA ricombinante hanno portato allo sviluppo di farmaci a base di anticorpi monoclonali efficaci nella cura di varie malattie. Lo stadio principale del processo di purificazione impiegato a livello industriale è la cromatografia di affinità con proteina A, ma le operazioni di purificazione comprendono anche altri stadi cromatografici. Molti studi sono mirati alla ricerca di alternative più economiche al processo convenzionale con il ligando naturale per le IgG: è in questo contesto che si inserisce la tesi di laurea. Si ce

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10

COSTA, Valentina. "METODOLOGIE CROMATOGRAFICHE NELLO STUDIO DEI PROCESSI DI ADSORBIMENTO." Doctoral thesis, Università degli studi di Ferrara, 2010. http://hdl.handle.net/11392/2389180.

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In analytical chromatography, the sample we analyze is usually rather dilute and allows the development of a rather straightforward method. Due to the minute concentrations we deal with in analytical chromatography, we face a linear behavior. The retention time of the analytes and the selectivity of a given separation can be forecast by simple rules that tremendously help us to develop efficient and fast separations. However, when we increase the sample size and a finite amount of sample is introduced in a chromatographic column, we leave the shelter of linear chromatography and have to

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11

Gadani, Clarissa. "Experimental and mass transfer modelling in agarose beads." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.

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The typical drawbacks of chromatographic separations are associated to the inability of affinity columns to handle high volumetric flow rates at reasonable ligand utilisation efficiencies. Membrane-based separation processes can be used in order to overcome these limitations. The ligand immobilization can be realized by deposition of a high capacitive gel on the convective pore walls of the membrane. To understand the optimal coating layer design, the mass transfer can be investigated in conventional resins. This work includes characterization of agarose-based stationary phases and mass tra

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12

Schneider, Luís Felipe. "Aplicação do processo de descoberta de conhecimento em dados do poder judiciário do estado do Rio Grande do Sul." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2003. http://hdl.handle.net/10183/8968.

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Para explorar as relações existentes entre os dados abriu-se espaço para a procura de conhecimento e informações úteis não conhecidas, a partir de grandes conjuntos de dados armazenados. A este campo deu-se o nome de Descoberta de Conhecimento em Base de Dados (DCBD), o qual foi formalizado em 1989. O DCBD é composto por um processo de etapas ou fases, de natureza iterativa e interativa. Este trabalho baseou-se na metodologia CRISP-DM . Independente da metodologia empregada, este processo tem uma fase que pode ser considerada o núcleo da DCBD, a “mineração de dados” (ou modelagem conforme CRIS

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13

Gerosa, Tatiana Magalhães. "Desenvolvimento e aplicação de ferramenta metodológica aplicável à identificação de rotas insumo - processo - produto para a produção de combustíveis e derivados sintéticos." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/86/86131/tde-15062012-094830/.

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Este trabalho tem como objetivo a identificação da melhor rota para a produção de combustíveis e derivados sintéticos através do desenvolvimento e aplicação de uma ferramenta metodológica desenvolvida tendo como base ferramentas da qualidade: diagrama de afinidade, diagrama de relações e matriz causa-efeito. Estes diagramas foram adaptados para a análise e discussão dos fatores positivos e negativos de cada item da tríade considerada: insumo-processo-produto. A partir desta análise foram criadas as matrizes de causa-efeito, também separadas em fatores positivos e negativos para os insumos: gás

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14

Webb, Amanda Lynn. "Sound Production in Two Loricariid Catfishes." TopSCHOLAR®, 2011. http://digitalcommons.wku.edu/theses/1089.

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Many families of catfish produce sounds via pectoral spine stridulation and/or swim bladder compression using sonic muscles attached to the swim bladder. The sound production capabilities and characteristics in Loricariidae, the largest catfish family, have not been well examined. Sounds produced by two loricariid catfish species, Macrotocinclus affinis and Pterygoplichthys gibbiceps were recorded. Both species produce broad band calls via pectoral spine stridulation. These species produce sounds by rubbing the ridges of the dorsal process of the pectoral spine base against the groove of the p

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15

LEE, YU-HAN, and 李宇涵. "Preparation of Nanofiber Dye Affinity Membrane and Process Development for Purification of Lysozyme." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/66650405279122109478.

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碩士<br>明志科技大學<br>化學工程系生化工程碩士班<br>104<br>Polyacrylonitrile nanofiber membrane (PAN) was prepared by using electrospinning technique. After heat treatment, alkaline hydrolysis and neutralization reaction, the obtained ion exchange membrane (i.e., P-COOH) was modified with ethylenediamine (EDA) or chitosan molecule. The obtained P-EDA and P-Chitosan membrane were further immobilized with Yellow MX-2R dye to be used as a dye affinity membrane (i.e., P-EDA-Dye, P-Chitosan-Dye). The two dyed membranes were applied to evaluate and compare the binding capacity for lysozyme under various operating param

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16

E'Silva, Bronwyn. "The process of cause related marketing : a case study of Nedbank's Green Affinity Programme." Thesis, 2011. http://hdl.handle.net/10210/3782.

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M.A.<br>The shift from the Old to the New Economy has developed due to four key trends, namely globalisation, consumerism, environmentalism and corporate governance. Globalisation and the Internet has resulted in consumers being able to track the behaviour of corporations (Vise, 2006:119) and consequently, a New Consumer has emerged, where emphasis on corporate transparency and the environment has become a key concern for these New Consumers. New Consumers are characterised by Lewis and Bridger (2000:21) as independent, sophisticated, involved and well informed about the production of goods an

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17

E'Silva, Bronwyn. "The process of cause related marketing : a case study using Nedbank's Green Affinity Programme." Thesis, 2012. http://hdl.handle.net/10210/4445.

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M.A.<br>The shift from the Old to the New Economy has developed due to four key trends, namely globalisation, consumerism, environmentalism and corporate governance. Globalisation and the Internet has resulted in consumers being able to track the behaviour of corporations (Vise, 2006:119) and consequently, a New Consumer has emerged, where emphasis on corporate transparency and the environment has become a key concern for these New Consumers, as New Consumes are characterised by Lewis and Bridger (2000:21) as independent, sophisticated, involved and well informed about the production of goods

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18

Ali, Md Mohsin. "High Performance Fault-Tolerant Solution of PDEs using the Sparse Grid Combination Technique." Phd thesis, 2016. http://hdl.handle.net/1885/109292.

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The data volume of Partial Differential Equation (PDE) based ultra-large-scale scientific simulations is increasing at a higher rate than that of the system’s processing power. To process the increased amount of simulation data within a reasonable amount of time, the evolution of computation is expected to reach the exascale level. One of several key challenges to overcome in these exascale systems is to handle the high rate of component failure arising due to having millions of cores working together with high power consumption and clock frequencie

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19

Rogato, Alessandra. "Caratterizzazione di tre trasportatori dell'ammonio ad alta affinità (AMT1) nella pianta leguminosa modello Lotus japonicus e analisi del loro possibile ruolo nel processo di simbiosi con Mesorhizobium loti." Tesi di dottorato, 2007. http://www.fedoa.unina.it/1347/1/Rogato_-_biologia_avanzata.pdf.

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