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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    We will mail you new results for this query: (dissertatie/nummer=* AND publication year==1973)
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Influences of external factors on the energy conversion and productivity of Scenedesmus sp. in mass culture [PhD thesis]
Wesselius, J.C. \ 1973
scenedesmus - aquaculture - photosynthesis - stress - marine products - physical factors
Differentiation in the honeybee larva : a histological, electron-microscopical and physiological study of caste induction in Apis mellifera mellifera L. [PhD thesis]
Wirtz, P. \ 1973
honey bees - apidae - apis - zoology - metamorphosis - larvae - genetic variation - inheritance - breeds - races - animal nutrition

cum laude graduation (with distinction)

Phytophthora nicotianae var. nicotianae on tomatoes [PhD thesis]
Weststeijn, G. \ 1973
plant pathogenic fungi - solanum lycopersicum - tomatoes - phytophthora nicotianae
Inwerking van kaliumamide op enige 15N-gemerkte 4-halogeenpyrimidinederivaten [PhD thesis]
Valk, J. de \ 1973
ammonia - isotopes - nitrogen - potassium - pyrimidines - derivatives - chemical reactions
Vacuolenvorming bij het verstuivingsdrogen [PhD thesis]
Verhey, J.G.P. \ 1973
dried milk - spray drying - fluid mechanics - gases - liquids - fluids - mixtures - flow
Partial resistance of tomatoes against Phytophthora infestans, the late blight fungus [PhD thesis]
Turkensteen, L.J. \ 1973
plant pathogenic fungi - solanum lycopersicum - tomatoes - phytophthora - plants - pest resistance - disease resistance - partial resistance
Substrate utilization and respiration in relation to growth and maintenance in higher plants [PhD thesis]
Penning de Vries, F.W.T. \ 1973
growth - respiration - catabolism - metabolism - plant nutrition - assimilation - chemical analysis - exposure - environmental degradation - kinetics - ecotoxicology
Chlorophyll formation and phytochrome [PhD thesis]
Raven, C.W. \ 1973
phytochrome - plant pigments - chlorophyll - light - photoperiod - photoperiodism - shade
Major problems of growing sesame (Sesamum indicum L.) in Nigeria [PhD thesis]
Rheenen, H.A. van \ 1973
sesamum indicum - sesame - nigeria
Analyse en kostenminimalisering van grondverzet [PhD thesis]
Mijnlieff, A.W. \ 1973
farm accounting - farm accounts - farm management - land - land development - reclamation - earth moving - machines
Linear analysis of a physically based model of a distributed surface runoff system [PhD thesis]
Nes, T.J. van de \ 1973
surface water - canals - discharge - drainage - forecasting - hydrology - models - overland flow - precipitation - rivers - runoff - water balance - watersheds

As part of a model for the rainfall-run-off relation of a catchment, a linear distributed model of surface run-off is presented in this report. This model, without internal boundary conditions, consists of a cascade of linear conceptual elements. It simulates the complex drainage system by a network of overland flow and channel-flow elements.

Diagnosis of sharka (plum pox) and host range of its inciting virus [PhD thesis]
Oosten, H.J. van \ 1973
plant diseases - plant viruses - plums - prunes - prunus domestica
The odour of white bread [PhD thesis]
Mulders, E.J. \ 1973
bread - breadmaking - chemical structure - confectionery - cosmetics - essential oils - odours - organoleptic traits - perfumery - relationships - sensory evaluation - bakeries - biological properties
Gezondheid en gezinsindividualisering in een agrarische gemeenschap [PhD thesis]
Rijpma, S. \ 1973
sociology - kinship - families - agriculture - family life - marriage - ethics - family structure - rural communities - social sciences - theory - methodology - netherlands - gelderland
Abondance de Hypothenemus hampei Ferr., scolyte des graines de cafe, en fonction de sa plante-hote et de son parasite Cephalonomia stephanoderis Betrem, en Cote d'Ivoire [PhD thesis]
Koch, V.J.M. \ 1973
insects - plant pests - coffea - coffee - biological control - beneficial insects - scolytidae - cote d'ivoire
Nematode survival in relation to soil moisture [PhD thesis]
Simons, W.R. \ 1973
soil - nematoda - soil water content - water
Inwerking van kaliumamide op enige chloorpyrazinen [PhD thesis]
Lont, P.J. \ 1973
amides - chemical reactions - organochlorine compounds - pyrazines

cum laude graduation (with distinction)

Determination of planning capacity and layout criteria of outdoor recreation projects [PhD thesis]
Lier, H.N. van \ 1973
land use - management - outdoor recreation - planning - recreation - rural development - rural planning
Empirical laws, regularity and necessity [PhD thesis]
Koningsveld, H. \ 1973
knowledge - research - methodology - empiricism - scientific research
Linoleic acid intake and vitamin E requirement [PhD thesis]
Jager, F.C. \ 1973
linoleic acid - feeds - physiology - nutrition physiology - vitamin e - tocopherols - veterinary science - animal nutrition - nutritional disorders
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