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In web service composition (WSC), quality of service (QoS)-based web services selection has been a critical research issue, and many service selection methods have been presented aiming at resolving this issue, However, most of the existing methods ignore giving a risk evaluation for critical web services in WSC where transactional requirements often require compensation cost to ensure failure atomicity...
The development of large-scale parallel scientific computing applications has put forward more urgent demands for powerful computing capacities and complex process managing technologies. Meanwhile, the scientific experiment processes become more and more complicated which makes it becomes a hard work for e-scientists to control the experiment analysis processes by hand. In this paper, we provide a...
Zinc sulfide nanoparticles were prepared by hydrothermal method and characterized by TEM, FT-IR and BET surface area. The titration results show that the surface of ZnS nanoparticles possessed an obvious acid-base property. With increasing the amount of ZnS nanoparticles in the suspension, the pH buffer capacity of solution increased dramatically. There is a proportional relationship between the amount...
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