超音波法液位元元元元元元测定
ultra-sonic method of liquid meaduremert
碱土金属元素化合物
alkaline-earth metal component
苯及其化合物
Benzene and its compounds
碲及其化合物
Tellurium and its compound
镉及其化合物的毒性效应
Toxic effect of cadmium and its compounds
铬及其化合物的毒性效应
Toxic effect of chromium and its compounds
钴及其化合物
Cobalt and compounds of cobalt
混合稀土金属及其化合物
mixed rare earth metal and compound
金属及其化合物
Metal and their compounds
金属铁及其化合物
Metallic iron and iron -- containing compounds
磷及其化合物
phosphorus and its compounds
磷及其化合物的毒性效应
Toxic effect of phosphorus and its compounds
锰及其化合物的毒性效应
Toxic effect of manganese and its compounds
铍及其化合物的毒性效应
Toxic effect of beryllium and its compounds
取代的噻唑烷-4-羧酸类化合物及其衍生物
substituted thiazolidine-4-carboxylic acid and its derivative
碳氢化合物及其衍生物
hydrocarbons and their derivatives