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LCSH_x
Source : DANS

Prevalence, risk factors and spatial analysis of liver fluke infections in Danish cattle herds

Olsen, A. et al. (2015)

Background: Fasciola hepatica, a trematode parasite (liver fluke), infects a wide range of host species causing fasciolosis. The disease is prevalent world-wide and causes considerable economic losses to the livestock industry. Fasciolosis is regarded as an emerging food-borne zoonosis. To promote ...

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Source : DANS

Tumor imaging with 2 sigma-receptor ligands, F-18-FE-SA5845 and C-11-SA4503: A feasibility study

van Waarde, A et al. (nov. 2004)

Our objective was to study 2 radioligands for visualization of sigma-receptors with PET. Methods: Two radioligands--sigma(1)-selective C-11-1-(3,4-dimethoxyphenethyl)-4-(3-phenylpropyl)piperazine (C-11-SA4503) and nonsubtype-selective 1-(4-2'-F-18-fluoroethoxy-3-methoxyphenethyl)-4-(3-(4- ...

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Source : DANS

Do Financial Bonuses to Employees Reduce their Absenteeism? Outcome of a Lottery

Hassink, W et al. (1 janv. 2005)

In this paper, we present evidence on the effect of greater numbers of police personnel on victimisation of crime and experience of nuisance. We make use of individual data from a Dutch victimisation survey unique in its size, duration and scope. By using individual victimisation data we provide ...

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Source : DANS

The influence of crystallization and washing medium on the characteristics of nanocrystalline Y-TZP

Sagel-Ransijn, C.D. et al. (1996)

A zirconia-yttria gel, made by coprecipitation, was treated in six different ways to obtain a nanocrystalline Y-TZP powder: one large gel batch was split into six parts of which one was crystallized in air and the others crystallized either in water with a high pH or in methanol. The batches were ...

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Source : HAL

Shipment Frequency of Exporters and Demand Uncertainty

Békés, Gabor et al. (avr. 2014)

Firms adjust to differences in market size and demand uncertainty by changing the frequency and size of their export shipments. In our inventory model, transportation costs and optimal shipment frequency are determined on the basis of demand as well as inventory and per shipments costs. Using a ...

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Source : DANS

Statistical sampling and modelling for cork oak and eucalyptus stands

Paulo, M.J. (2002)

This thesis focuses on the use of modern statistical methods to solve problems on sampling, optimal cutting time and agricultural modelling in Portuguese cork oak and eucalyptus stands. The results are contained in five chapters that have been submitted for publication as scientific manuscripts.The ...

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Source : HAL

Electric vehicle fleet contributions for isolated systems. The case of the Canary Islands

Marrero, Gustavo, et al. (2015)

International audience The Canary Islands offer an example of an isolated electric grid of relatively important size within the EU. Generally, these systems do not have access to every technology available, nor can they be connected to continental grids when necessary. Due to their particularities, ...

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Source : DANS

Are Species Adapted to Their Regeneration Niche, Adult Niche, or Both?

Poorter, L. (2007)

Functional traits are important drivers of successional processes and the assembly of plant communities. It is generally assumed that functional traits are closely linked to the regeneration niche because of the high selection pressures in the seedling stage, but recent studies have challenged this ...

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Source : DANS

Do firms benefit from spatial proximity? Testing the relation between spatial proximity and the performance of small software firms in the Netherlands

Weterings, Anet B.R. (19 janv. 2006)

There is a general belief that firms, one way or another, benefit from being located near other firms or organisations like universities or government agencies. This idea has attracted widespread interest among economic geographers, regional scientists and, more recently, policymakers. The problem ...

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Source : DANS

Serrivomer beani Gill & Ryder, 1884 (Pisces, Anguilliformes, Serrivomeridae): some aspects of seasonal variation in numbers and distribution in the mid North Atlantic

Utrecht, van, W.L. et al. (1987)

In Rectangular Midwater Trawl samples taken along the 30°W meridian in the mid North Atlantic, Serrivomer beani reaches its greatest density in April-June between 25° and 34°N. In this period the larvae of this species are caught here as well. There is a significant increase in size of the ...

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