采用化学还原法制备了非晶态Co-Ni-Fe三元催化剂,通过改变金属盐的比例制得不同Co含量的复合催化剂。分析了催化剂的特征,并在电辅......

Humic substrates are a major fraction of sediment organic matters, and the sorption of hydrophobic organic chemicals by ......

目的评价Pentaeam三维眼前节分析诊断系统对准分子激光原位角膜磨镶术（LASIK）前后眼压测量值校正的准确性。方法将105例（208眼）拟行LAS......