Background Over the past decades, the number of older workers has increased tremendously. This study examines trends from 1993 to 2013 in physical, cognitive and psychological functioning among three successive cohorts of Dutch older workers. The contribution of the changes in physical and psychosocial …

Fibre Bragg grating sensors have gained a lot of attention in damage detection and strain measurement applications in the past few decades. These applications include matrix crack detection and delamination tip monitoring in composite structures, crack detection in concrete and civil engineering structures …

Tropical forests are under serious pressure and deforestation and forest degradation are taking their toll. The mixed dipterocarp forests of Sarawak are no exception. The importance of sustainable forest management is evident and growth models are a convenient tool to help in determining sustainable …

Factor analysis is a popular tool in multivariate statistics, applied in several areas of study such as psychology, economics, chemistry and signal processing. Given a set of observed random variables, factor analysis aims at explaining and analyzing the correlation between these random variables. This …

Van Boekel Bouw & Infra heeft steeds vaker te maken met meerdere soorten contractvormen. Waar voorheen alles RAW of STABU was wordt dit steeds vaker UAV-GC. In deze contractvorm veranderd de rolverdeling tussen opdrachtgever en opdrachtnemer. Een urgent onderdeel hiervan is de kwaliteitsborging binnen …

Increasingly, adding trees to the city is a new goal on the urban agenda in order to fight climate change. There is an interesting contrast when looking at the average lifespan of trees in the city: 30 years. The reason is that trees are still being seen from a utilitarian perspective and as urban furniture …

Dit Onderzoeksrapport is het eindstuk van de opleiding Civiele Techniek aan de HZ University of Applied sciences. Het onderzoek focust zich op een haventerrein aan de Autrichehaven in Westdorpe. Het ophogen van het haventerrein en het creëren van een aanmeervoorziening zijn de twee grote doelen van dit …

Poedercoaten is een techniek waarbij verf in poedervorm op een product wordt aangebracht en vervolgens wordt uitgehard in een oven. Poedercoatings worden al tientallen jaren aangebracht op metalen, bijvoorbeeld staal en aluminium. Een voordeel van deze techniek is dat er tijdens het coaten geen Vluchtige …

It can be concluded that the HBM4EU serum sample preparation method is suitable for Effect-Directed Analysis. The method allows a recovery of all bioactive compounds of interest from serum in the EDA products, with little loss of compounds: bioassay spectra and chromatograms. Nevertheless, the HBM4EU …

A method for directly analysing the nickel content of organic samples by flame atomic absorption is validated. This method is developed to bypass the conventional preparation step for aqueous atomic absorption, which is microwave digestion. The working range of the method is 0 – 30 ppm. The limits of …