冷原子吸收法测定汞,是利用汞对多少纳米的共振线有强烈吸收() ["530nm","3nm","420nm","7nm","7nm"]
以下哪种试验可以将李斯特菌和需氧芽胞杆菌区分开()。 ["血琼脂上产生β-溶血环","触酶试验","动力试验","芽孢形成","抗酸染色"]
据《素问・脉要精微论》,“梦哭”是由于() ["A.肺气盛","B.肺气虚","C.肾气盛","D.肾气虚","E.心气虚"]
手外伤清洗创口的具体步骤是() ["用0.1%的新洁尔灭冲洗创口","用生理盐水冲洗创口后冲洗创口周围","先用碘酒、酒精消毒,再清洗创口","用0.1%的新洁尔灭冲洗创口内外","先用肥皂水刷洗创口周围皮肤,再用生理盐水洗净创口周围,最后再冲洗创口"]
控制图上控制界限通常表示为()。 ["均值","变异系数","精密度水平","准确度水平","标准差的倍数"]
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