Objective To improve clinically recognition of the eardrum - mastoid process operation.目的提高临床对中耳乳突手术的认识.I am afraid that a bony destruction is taking place in mastoid.我担心在乳突部有骨质破坏.You have suffered from acute infection o...
在丙酮、丁二酮水溶液中采用化学氧化法合成 纳米 聚苯胺, 并研究有机溶剂的含量对纳米聚苯胺导电性能的影响.The nano - was synthesized through the chemical oxidation method in an solution of acetone or diacetyl, separately.以氯化锌为路易斯酸催化剂,探讨了2 ─ 亚甲基─1 ─ 苯基 ─ 1.3 ─ 丁二酮与1.3 ─ 环戊二...
There are problems in recruiting suitably qualified scientific officers for NHS laboratories.很难为国民医疗保健系统的实验室招募到资历合适的高级科研人员。He recently vacated his post as NHS Personnel Director.他最近辞去了国民保健署人事主管一职。This vaccine is not norm...