In the field of ‘renewable energy resources’ formation of biogas Biomass and biogas: potentials, efficiencies and flexibility is an important option. Biogas can be produced from biomass in a multistep process called anaerobic digestion (AD) and is usually performed in large digesters. Anaerobic digestion …

Tegenwoordig krijgt houtproductie bij veel beheerders minder aandacht dan natuur en recreatie, en is tegenwoordig vaak meer een middel voor het bereiken van de andere doelen dan een doel op zichzelf. De bezuinigingen als gevolg van de huidige economische crisis hebben de bos- en natuurbeheersector zwaar …

In cases of cognitive decline not due to delirium, the daily observation of cognitive function by nurses has not been standardised in hospital wards specialised in the care of older people. A qualitative study with purposive sampling and semi-structured interviews. Methods. Data were obtained by interviewing …

It is well-known that instead of changing course exactly at the edge, changing course when the sweep radius reaches the edge (i.e. changing course at distance R from the edge) generally yields higher probabilities of detection. In this article the authors shall investigate whether or not an even higher …

The Zhanghe irrigation system (ZIS) is located in the Yangtze River Basin approximately 200 km west of Wuhan in Hubei Province. The reservoir was designed for multiple uses—irrigation, flood control, domestic water supply, industrial use, aquaculture, and hydropower. Over a period of more than 30 years …

A number of novel nonionic bolaform amphiphiles with nonidentical aldityl head groups, 1-(1-deoxy-D-galactitol-1-ylamino)-6-(1-deoxy-D-glucitol-1-ylamino)hexane, 1-(1-deoxy-D-mannitol-1-ylamino)-6-(1-deoxy-D-glucitol-1-ylamino)hexane, and 1-(1-deoxy-D-galactitol-1-ylamino)-6-(1-deoxy-D-mannitol-1-ylamino)hexane …

Granular starch was cross-linked with 1,3-di-O-acetyl-2-nitro-1,3-propanediol (1), 1,3-di-O-pivaloyl-2-nitro-1,3-propanediol (2), 2-nitro-3-O-pivaloyl-1-propene-3-ol (3), 1,3-di-O-acetyl-aci-2-nitro-1,3-propanediol (4), 1,3-di-O-pivaloyl-aci-2-nitro-1,3-propanediol (5) and 1,6-di-O-acetyl-2,5-dinitro-1,6-hexanediol …