Benzyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,丁酸和苄醇为原料合成丁酸苄酯.Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Isoamyl bu...
Nothing can be done to ameliorate the situation.做什么也无法使情况好转。Steps have been taken to ameliorate the situation.已经采取措施以改善局面。In every human being there is a wish to ameliorate his own condition.改善自己境况的愿望人皆有之....
His mind kept branching off into the contemplation of silly things.他总不能专心于正题而尽想着愚蠢的事情.Elastic fibers usually occur as individual , refractile, branching, and anastomosing fibers.弹性纤维通常是单独的, 折光的, 分枝的及吻合的纤维.Each glomerulus...