What are the principles of the identification of Procaine Hydrochloride.盐酸普鲁卡因的鉴别原理是什么?In this paper , the benzylpenicillin content in procaine benzylpenicillin injection was determined by HPLC.采用HPLC法测定了普鲁卡因青霉素注射液中青霉素的含...
They fell a lack of warmth in his exceeding formal congratulatory speech.他们感到他那过于刻板的祝词缺乏热情.The police stopped him for exceeding the speed limit.因为超速行车,警察挡住了他.The car has been General Motors' most visible success sto...