Yani Yan

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A simple and efficient microwave-assisted HNb(3)O(8) catalytic process is proposed for the dehydration of carbohydrates in the aqueous phase. A 5-hydroxymethylfurfural (HMF) yield of 55.9 % was achieved at a high substrate/catalyst weight ratio of 50 from a 10 wt % fructose solution, which is close to the yield achieved by homogeneous aqueous systems. The(More)
Studies have shown that arsenic is desorbed/released into groundwater as a result of bacterial reduction of As(V) and Fe(III). However, bacterial activities like sulfate reduction process can also reduce the content of arsenic in groundwater. In this study, we examined the effects of different biogeochemical processes (e.g. NO3- and SO42- reduction) on(More)
In the area of enterprise information integration, enterprise services are usually pre-defined and constructed before being supplied to users traditionally. However, with the rising of users' individuation needs, constructing and offering every user with the very service that can meet their needs by service provider is impossible and costly. In order to(More)
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