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


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Aspects of the oxygen-tolerance of nitrogen fixation in Azotobacter vinelandii [PhD thesis]
Scherings, G.H. \ 1983
azotobacter - pseudomonadaceae - microbiology - nitrogen cycle
The regulation of the structure and function of flavin (vitamin B2) on binding to apoflavoproteins and its biological implications [PhD thesis]
Moonen, C. \ 1983
riboflavin - enzymes - chemical structure - nicotinamide - vitamin b complex - pantothenic acid - choline - myo-inositol - structure activity relationships

cum laude graduation (with distinction)

Structural features of apple pectic substances [PhD thesis]
Vries, J.A. de \ 1983
apples - malus - pectins
Systematics, ecology and feeding biology of estuarine nematodes [PhD thesis]
Bouwman, L.A. \ 1983
aquatic environment - benthos - estuaries - marine environment - nematoda - eems-dollard

De nematodenfauna van het Eems estuarium (grotendeels gelocaliseerd in het oppervlakkig sediment van droogvallende platen) werd bestudeerd als onderdeel van meer uitgebreid biologisch en chemisch onderzoek in dit gebied.

Greenhouse climate : from physical processes to a dynamic model [PhD thesis]
Bot, G.P.A. \ 1983
buildings - climate - computer simulation - environmental control - microclimate - regulation - simulation - simulation models - greenhouse horticulture
Optimum cereal combine harvester operation by means of automatic machine and threshing speed control [PhD thesis]
Huisman, W. \ 1983
harvesting - combine harvesters - automatic control - engineering

Een onderzoek naar de mogelijkheden van automatisering van agrarische landbouwwerktuigen in het geval van maaidorsen van granen. Onderzochte variabelen zijn voorwaartse snelheid van de machine en omtreksnelheid van de dorscilinder. Vier regelsystemen zijn ontwikkeld die deze snelheden optimaliseren op basis van minimalisatie van oogstkosten, waarbij inbegrepen variabele en vaste kosten van de machine en de kosten van machine- en tijdsverliezen. De financiele voordelen van deze regelsystemen zijn berekend met behulp van een computermodel. Dit rapport geeft een gedetailleerde beschrijving van het onderzoek aan de ontwikkeling van modellen en regelsystemen

Considerations in breeding for improved yield and quality in arabica coffee (Coffea arabica L.) [PhD thesis]
Walyaro, D.J.A. \ 1983
coffea - coffee - plant breeding - productivity - quality - yields
The application of various NMR techniques to free and protein-bound flavins : an approach to elucidate the active center of flavoproteins [PhD thesis]
Schagen, C.G. van \ 1983
nuclear magnetic resonance - nuclear magnetic resonance spectroscopy - riboflavin
Improvement of wheat in Zambia using incomplete resistance against rusts [PhD thesis]
Milliano, W.A.J. de \ 1983
plant breeding - disease resistance - pest resistance - triticum aestivum - wheat - hexaploidy - plant pathogenic fungi - pucciniales - rust diseases - zambia
Analysis and evaluation of tillage on an alfisol in a semi-arid tropical region of India [PhD thesis]
Klaij, M.C. \ 1983
ferralsols - india - oxisols - red soils - seedbed preparation - tillage - unproductive land
Van de wal in de sloot : een typologisch onderzoek aan makrofaunaprocessen [PhD thesis]
Beltman, G.H.J. \ 1983
aquatic animals - classification - hydrobiology - hydrology - lakes - limnology - marshes - mollusca - ponds - netherlands - water - reservoirs - articulata - macrofauna - utrecht
Control of corpus allatum activity in the adult Colorado potato beetle [PhD thesis]
Khan, M.A. \ 1983
chrysomelidae - endocrinology - hormones - insects - plant pests

cum laude graduation (with distinction)

Molecular interactions during the assembly of cowpea chlorotic mottle virus studied by magnetic resonance [PhD thesis]
Vriend, G. \ 1983
cells - cowpeas - plant viruses - vigna - viruses
RNA-dependent RNA polymerases from cowpea mosaic virus-infected cowpea leaves [PhD thesis]
Dorssers, L. \ 1983
cells - cowpea mosaic virus - viruses
The physiology of the filamentous bacterium Microthrix parvicella [PhD thesis]
Slijkhuis, H. \ 1983
waste water treatment - water treatment - activated sludge - aeration - microbiology - waste treatment
Flow around a line obstacle [PhD thesis]
Jacobs, A.F.G. \ 1983
turbulence - wind - boundary layer - land surface
The botany of the Commelins [PhD thesis]Companion website
Wijnands, D.O. \ 1983
spermatophyta - taxonomic revisions - taxonomy - classification - biological nomenclature - illustrations - plants - trees - flowers - fruit - history

Behandeling van de planten die zijn afgebeeld in Moninckx Atlas en de vier geillustreerde werken van Jan (1629-1692) en Caspar (1668-1731) Commelin over de exotische planten in de Hortus Medicus van Amsterdam. Afbeeldingen van 420 planten zijn tussen 1686 en 1709 gemaakt door een aantal schilders: Jan en Maria Moninckx, Alida Withoos, Johanna Herolt-Graff

Physiology of forage maize (Zea mays L.) in relation to its production and quality [PhD thesis]
Struik, P.C. \ 1983
plant physiology - zea mays - maize - growth stages - crop growth stage

cum laude graduation (with distinction)

Rhizoctonia solani as a component in the bottom rot complex of glasshouse lettuce [PhD thesis]
Kooistra, T. \ 1983
deuteromycotina - lactuca sativa - lettuces - plant pathogenic fungi - soil fungi - moniliaceae - greenhouse horticulture
Lipases and proteinases in milk : occurrence, heat inactivation, and their importance for the keeping quality of milk products [PhD thesis]
Driessen, F.M. \ 1983
animal products - antibiotics - dairy industry - food contamination - hormones - keeping quality - milk products - vitamins

In het onderzoek zijn het voorkomen en de hitte-inactivering bestudeerd van zowel de lipasen en proteinasen die van nature in de melk aanwezig zijn als van die welke door bacterien in de melk zijn geproduceerd. Ook wordt besproken welke gevolgen de verschillende hittebehandelingen, die in de zuivelindustrie worden toegepast, hebben voor de houdbaarheid van melk en melkprodukten

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