青叶

Changes of the rectal temperature were observed in feverous rabbits induced by endotoxin.

结果大位能直接中和降解内毒素,显著降低内毒素的致热性和致死性。

The quality of green oxane can be up-graded by addition of acid followed by distillation or by p...

对烷加酸再精馏长期贮存,可以提高产品质量。