The aim of this study is to contribute to the body of knowledge on the use of contextual mathematical problems. Word problems are a predominant genre in mathematics classrooms in assessing students’ ability to solve problems from everyday life. Research on word problems, however, reveals a range of difficulties …

Kademuren zijn niet alleen te vinden in de grote havens, maar ook in tal van binnensteden. Deze kademuren in stedelijk gebied vormen een steeds groter probleem. Veel stedelijke kademuren hebben hun levensduur bereikt en zijn aan vervanging toe. Het vervangen van een stedelijke kademuur brengt echter …

The current Dutch Walrus-class submarines count over a hundred hydraulic actuators, including the rudders, the periscope and the integrated torpedo and harpoon system. Al these devices are controlled with petroleum based, and therefore flammable, hydraulic oil. Replacing these hydraulic actuators on …

Kipp & Zonen, based in Delft manufactures and develops atmospheric measurement instruments, including a scintillometer. Kipp & Zonen currently manufactures the large aperture scintillometer (LAS) MkII and previously manufactured the extra large aperture scintillometer (XLAS) MkI. A scintillometer can …

In order to gain a more mature share in the future energy supply, green gas supply chains face some interesting challenges. In this thesis green gas supply chains, based on codigestion of cow manure and maize, are considered. The produced biogas is upgraded to natural gas quality and injected into the …

Apart from that this approximation does not alter the fact that at Sphinx, certainly after the departure of Petrus Regout and the transfer of the management to his sons in 1870, the social abuses of the industrial revolution continued in all vehemence. These abuses were especially put forward in the …

A methodology for doing research into corporate spirituality should enable us to deal with the religious component of spirituality instead of trying to separate spirituality from religious beliefs, as the positivist school proposes. Waaijman’s phenomenological-dialogical research cycle enables us to …