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[期刊论文] 作者：ZHANG Yalan,CHI Shan,WU Shuang,
来源：海洋学报（英文版） 年份：2004
Tryptophan synthase (TS, EC 4.2.1.20) catalyzes the last two steps of L-tryptophan biosynthesis. In pro-karyotes, tryptophan synthase is a multi-enzyme complex,...
[期刊论文] 作者：Min Li,Xiaodong Wu,Shuang Liu,,
来源：自然科学进展（英文版） 年份：2004
The BaO-modified Pd/Al2O3 exhibits much better catalytic activity than Pd/Al2O3 for C3H8 oxidation both before and after the hydrothermal aging treatment. Furth...
[期刊论文] 作者：Wei Wu,Shuang Gao,Weixia Tu,Ji,
来源：颗粒学报（英文版） 年份：2004
In this paper,zinc oxide nanoparticles were first prepared and surface-modified.A Picketing emulsion was then prepared,consisting of nitrobenzene(oil phase),wat...
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