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In these days, some primary schools have computer-based lessons using programming tools such as Squeak eToys to promote the ability of logical thinking ability and scientific concept. However, some students often give up their study at the programming lessons, and how to keep their motivation is an important problem. This paper describes the development of a project exchange tool for Squeak eToys...
High-surface-area (over 3000 m 2 g -1 ) active carbon (MAXSORB) was developed from a mixture of petroleum coke and an excess amount of potassium hydroxide. A considerable number (0.9-1.6 meq g -1 ) of surface functional groups were found compared to that of typical steam activated carbons (0.1-0.2 meq g -1 ). Breakthrough of sodium hypochlorite or chloroform...
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