了解三氯 乙醛 的毒性和致突变作用.Acute toxicity test , mutation test and single - cell gel electrophoresis ( SCGE ) were used.三氯乙醛是无色挥发性的液体,带有刺激性很强的气味,在97.7℃沸腾.Chloral is a colorless, volatile liquid with a very penetrating odor and bo...
Objective : To study the clinical features and the diagnosis and treatment of branchial fistula and cyst.目的: 探讨腮裂瘘管及囊肿的临床特点及诊治方法.Aim : To investigate the etiology and diagnosis and treatment of retroperitoneal abscesses ...
庸俗是生活中非常必要的作料.Vulgarity is a very important ingredient in life.把肉浸泡在油和作料的卤汁里.Saturate the meat in the mixture of oil and herbs.这食物缺少味道,需要加点作料.The food was rather insipid and needed gingering up....