委托投资
用奈斯勒试剂鉴别NH4+时,检出限量为0.05μg,最低检出浓度是1×10-6g/ml。不属于化学鉴别法必须具备的特点的是() ["反应速度快","现象明显","反应完全","专属性好","再现性好"]
具有温经养血,散寒通脉功用的方剂是() ["A.小活络丹","B.补阳还五汤","C.当归四逆汤","D.黄芪桂枝五物汤","E.阳和汤"]
有关血液分析仪对WBC分类的叙述,错误的是() ["国产仪器主要采用电阻抗法","准确性高于手工法","电阻抗法可对WBC进行三分群","经溶血剂处理后的WBC,其大小、形态可能发生改变","到目前为止,还不能完全替代显微镜分类"]
用奈斯勒试剂鉴别NH4+时,检出限量为0.05μg,最低检出浓度是1×10-6g/ml。该鉴别实验若要观察到反应,最少应取试液体积为() ["0.01ml","0.02ml","0.05ml","0.10ml","0.20ml"]
娃娃妆的特点?