Op het spoor in Nederland worden verscheidene componenten gebruikt om het systeem draaiende te houden. Het systeem komt geregeld in storing en hierdoor kan de normale dienstregeling geen doorgang meer vinden. Dit zorgt uiteindelijke voor vertragingen bij de reiziger. In deze scriptie zal worden in gegaan …

Granite G682 is a yellow to pink color stone of the Precambrian period, the most famous yellow granite from China. I am from G682 granite town. I used to live in a village surrounded by stones. however, I never knew the beautiful and scary story behind it until I saw hundreds of abandoned quarries in …

This research proposes new structural lay-outs for large wind turbine blades. The lay-outs were found by an optimisation method where the aerodynamics of wind turbine blades was combined with the structural model of the blade, formulated in a corotational framework. The aeroelastic blade loads were calculated …

Er komt steeds meer aandacht voor de gevoeligheid van kinderen voor milieucontaminanten. Wanneer kinderen worden blootgesteld aan bepaalde contaminanten kan dit tot permanente schade leiden aan het centrale zenuwstelsel. Er zijn associaties gevonden tussen bepaalde contaminanten en autisme, concentratieproblemen …

Bryophytes are small, haploid, non-vascular plants, which can be divided in three distinct phyla; the mosses (Musci), the liverworts (Hepaticae) and the hornworts (Anthocerotae) (Gradstein & Melick, 1996), (Touw, Kruijer, & Stech, 2016). They are valuable indicators of environmental chance, due to the …

Wellbeing, comfort and safety in outdoor shoes have always been based on parameters that vary from person to person (male, female, weight, build, etc.). The aim of the project OutFeet was to go beyond this subjective approach by taking a merely qualitative analysis to a higher scientific level. The …

AkzoNobel is a multinational sustainable company which makes paints, coatings and special chemicals. Hexahydrophthalic anhydride, phthalic anhydride and trimellitic anhydride are dangerous chemicals, because they can cause irritations and allergic reactions. These chemicals are often used in paint and …

Inleiding: Phenylketonurie is een veel voorkomende aangeboren aandoening die wordt veroorzaakt door een mutatie in het enzym phenylalanine hydroxylase. Hierdoor wordt het animozuur phenylalanine niet afgebroken. De opstapeling van phenylalanine is toxisch en hindert de ontwikkeling van de hersenen. Patienten …

Purpose/objective: Stereotactic radiosurgery of brain metastases requires highly conformal dose distributions. Besides beams setup, characteristics of the linear accelerator collimator may also play a role. In this study we compared the impact of leaf width on the dose outside the target for stereotactic …