乙炔选择性加氢生成乙烯反应是目前工业上脱除乙烯中微量乙炔的主要方法。Pd催化剂因其具有高乙炔转化率而被广泛应用于工业生产，然......

经DEAE-52,Q-Sepharose和Sephacry S-200柱厌氧层析,从在含Cr的培养基中生长良好的棕色固氮菌突变株UW3纯化得到CrFe蛋白制备物.与......

Metal clusters have been suggested as active catalysts in a variety of homogeneous catalytic reactions. In this paper th......