为提高缬氨酸产量，以一株产L-valine的黄色短杆菌(Brevibacterium flavum) BFS为出发菌株，通过He-Ne激光诱变育种，分别设置不同的诱变......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

The sorption study of La(Ⅲ) was carried out on poly[dibenzo-18-crown-6] and L-valine medium. The quantitative adsorptio......

IntroductionIt is important to research the mixed-ligand copper complexes containing bioligands,such as amino acids, nuc......