What is the purpose of the light absorption tests benzylpenicillin sodium?本品吸收度检查的意义是什么?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...
Erosive esophagitis and hiatal hernia were identified in 18 and 70 patients, respectively.腐蚀性食管炎以及食管裂孔疝分别为18和70例.The occurrence of peptic ulcer in some pa - tients with hiatal hernia may necessitate considerationof both ...
要求忠诚意味着你想发展一段严肃认真的恋爱关系。Wanting fidelity implies you're thinking about a major relationship.这本书的笔调有些时候太不严肃了。The tone of the book is sometimes too flip.“那件衣服很好看，”迈克尔说。“谢谢，”她严肃地回答。"That's a nice dress," said Micha...
在20世纪20年代, 朗缪尔 、 汤克斯及其共事者最先从事有关等离子体的研究.The earliest work with plasmas was that of Langmuir, Tonks, and their collaborators in the 1920's.问问自己, 你是个有趣的共事者 吗 ?Ask yourself, are you fun to work with?...
A new backfire antenna fed by a bifilar backfire belix is described in this Paper.本文提出一种用双线背射螺旋作馈源的新式背射天线.The President's tactics could backfire...总统的策略可能会适得其反。A victory for Mr Bush and the internationalists could e...