PhD theses

All Wageningen University PhD theses

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    Wageningen PhD theses


    This database contains bibliographic descriptions of all Wageningen University PhD theses from 1920 onwards. It is updated on a daily basis by WUR Library.

    Author abstracts and/or summaries are added to all descriptions. A link to the full text dissertation is added to the bibliographic description. In a few cases, no electronic version is available, mostly because of copyright issues.

    Hard copies of all theses are available for loan at WUR Library. To request them, click the link Request this publication in the full record presentation. This is a fee based service.

    mail icon WUR Library, 9 july 2012

     

Records 1 - 20 / 108

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Anaerobic sludge granulation at high salinity [PhD thesis]
Full text publicly available; under embargo until:2021-03-06
Sudmalis, Dainis \ 2020
biobased economy - proteins - anaerobic digesters - sludges

Abstract:
Many industries, such as leather tanning, agro-food, fisheries, petroleum, petrochemical and textile dyeing industries generate highly polluted saline wastewater. It is estimated that approximately 5% of the globally generated wastewater is hypersaline (salinity above 3.5%). For example, it has been assessed that the petroleum industry alone already generates approximately 39.5 million m3 of wastewater per day. Because salts have a negative effect on microbial activity, biological treatment processes usually are not considered for such wastewaters. Such wastewater streams therefore are generally treated with physical-chemical processes. However, physical-chemical methods are energy intensive and require a lot of chemicals. Hence, there is a need to explore possibilities to replace them by more sustainable biological treatment methods. In particular anaerobic biological treatment should be considered because it: i) converts the organic pollutants in the wastewater into energy-rich biogas, consisting mainly of CH4 and CO2; ii) only requires a small amount of energy for operation; iii) produces a small amount of bio-solids requiring further disposal.

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Pesticide-induced environmental risks: a field study in Ghana [PhD thesis]
Onwona-Kwakye, Michael \ 2020
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Improvement of maize-based foods in Sub-Saharan Africa [PhD thesis]
Ekpa, Onu \ 2020
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Semantic systems biology of prokaryotes : heterogeneous data integration to understand bacterial metabolism [PhD thesis]
Dam, Jesse C.J. van \ 2019
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Understanding macrophage activation in the adipose tissue: at the crossroads of immunology and metabolism [PhD thesis]
Boutens, Lily \ 2018
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Functionality-driven fractionation the need for mild food processing [PhD thesis]
Geerts, Marlies E.J. \ 2018
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Developing a role for Rhizopus oryzae in the biobased economy by aiming at ethanol and cyanophycin coproduction [PhD thesis]
Meussen, Bas Johannes \ 2018
biobased economy - biofuels - bioethanol - renewable energy - biomass - lignin - bacteria - fermentation - fungi - waste water - residual streams
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Towards microbial safety of fresh vegetables in Rwanda [PhD thesis]
Ssemanda, James Noah \ 2018
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Advancement of farming by facilitating collaboration : reference architectures and models for farm software ecosystems [PhD thesis]
Kruize, Jan Willem \ 2017
farming - information technology - computer software - farms - models - farm management - information systems
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Advancing Integrated Pest Management for Dermanyssus gallinae in laying hen facilities [PhD thesis]
Mul, Monique F. \ 2017
hens - integrated pest management - dermanyssus gallinae - chicken housing - poultry housing - cages - animal production - poultry - animal health
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A model based method for evaluation of crop operation scenarios in greenhouses [PhD thesis]
Ooster, A. van 't \ 2015
greenhouse technology - greenhouse horticulture - simulation - discrete simulation - simulation models - labour - roses
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High-throughput open source computational methods for genetics and genomics [PhD thesis]
Prins, J.C.P. \ 2015
plant parasitic nematodes - dna sequencing - next generation sequencing - throughput - computational science - genetics - genomics
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Robustness of life cycle assessment results : influence of data variation and modelling choices on results for beverage packaging materials [PhD thesis]
Harst-Wintraecken, E.J.M. van der \ 2015
life cycle assessment - uncertainty - modeling - data analysis - data collection - waste treatment - recycling - environmental impact
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Getting partnerships to work : a technography of the selection, making and distribution of improved planting material in the Kenyan Central Highlands [PhD thesis]
Ndubi, Jessica \ 2015
plant breeding - food security - bananas - potatoes - technology - innovations - agricultural development - partnerships - cooperation - kenya - east africa - africa
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Consumers and vegetables: effects of domestic processing on sensory and health properties [PhD thesis]
Bongoni, R. \ 2014
vegetables - consumers - home food preparation - sensory evaluation - health - cooking quality
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Protein biomarker-based screening for detection of recombinant bovine somatotropin abuse in dairy cows [PhD thesis]
Ludwig, S. \ 2014
somatotropin - dairy cattle - contaminants - biomarkers - recombinant proteins - toxicology - detection
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The discursive other dynamics in plant scientists' talk on Phytophthora with experts and the public [PhD thesis]
Mogendorff, K.G. \ 2014
communication - genetic engineering - plants - technology - discourse analysis - public opinion - genomics - botany - scientists - experts - phytophthora infestans - discussion - anthropology - psychology

Abstract:
This dissertation investigates the interactional effects of Dutch plant science experts' talk in different interaction settings: public meetings, expert board meetings and ethnographic interviews. The main research approach deployed is discursive psychology : a methodology that focuses not on what is said but on what is accomplished with talk. The central topic of all the talk analysed in this thesis is Phytophthora Infestans: a major plant disease in staple crops that helped bring about the Irish famine in the 19th century. Phytophthora is still a large problem. To fight Phytophthora, plant experts have been developing different technologies, some of which, such as genetic modification, are met with public controversy.

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Grain filling, starch degradation and feeding value of maize for ruminants [PhD thesis]
Ali, M. \ 2013
maize - zea mays - maturity stage - genotypes - starch digestion - rumen digestion - nutritive value - ruminant feeding - kernels - maize silage - silage making - crop physiology - nutrition physiology
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Towards sustainable fish feed production using novel protein sources [PhD thesis]
Draganovic, V. \ 2013
fish feeding - plant proteins - wheat protein - soya protein - rape - lupin meal - extruded foods - extrusion - sustainability
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Understanding and manipulating coalescence in dense emulsions [PhD thesis]
Feng, H. \ 2013
emulsions - natural drying - emulsification - coatings - film
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