The determination of tetramine and fluoroacetamide using GC - MS method unknown sample was discribed in this paper.本文采用GC -MS 法测定杀鼠剂产品中是否含有毒鼠强及氟乙酰胺,其方法准确、迅速、可操作性强.Objective To study clinical the clinical date of manifest...
他心中涌起一阵微微的昏晕恶心的感觉.A dim , sick, faint feeling came over him.他记不清了, 因为都是在睡梦中或昏晕中渡过的.He remembered them dimly, because they were spent chiefly in sleep or stupor.要注意分清楚这一点,以免把眩晕与头昏眼花、昏晕等症状混在一起.This should not be confused w...
Most people do not have to be hospitalized for asthma or pneumonia.大多数哮喘或肺炎患者无需住院。Shortly after our dinner together, he was hospitalized with a fatal illness.我们共进晚餐不久, 他就患了绝症,进了医院.He was hospitalized for diagnosis and tr...
We must make benefits of our scientific advances for the improvement and growth of underdeveloped areas.为了尚未开发地区的改善和发展,我们必须以我们的科学进步向他们提供援助.And there is the enormous underdeveloped hinterland with excess rural population....