Realization of remote monitoring system based on TCP protocol
zhao jun-wei1; liu xun2; dong hao3(1.college of automation; chengdu university of technology; chengdu 610059; china; 2.college of electrical and control engineering; liaoning technical university; huludao 125105; china; 3.topfond pharmaceutical co.; ltd; zhumadian 463000; china)
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Determination of Ni、V、Sb on FCC catalysts
yan fang1; xie yong-jie2(1.college of chemistry and chemical engineering; china university of petroleum; qingdao 266555; china; 2.shandong shtar science & technology co.; ltd; dongying 257061; china)
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