a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum
例句
用作名词 (n.)
A series of hydroformylation catalysts were prepared by supporting Rhodium complex in the supporters modified by phosphotungstic acid. 将铑络合物担载于磷钨酸改性的载体上制备了一系列新型催化剂。