以扩散原理制成的无泵采样器适用的范围是() ["测量瞬时浓度","测量浓度随时间变化","测量突发事故现场的浓度","测量时间加权平均浓度","测量无风静止场合的浓度"]
柴胡证时,若腹中痛,宜原方去黄芩,加() ["A.芍药","B.附子","C.牡蛎","D.人参","E.干姜"]
柴胡证时,若胁下硬满,宜原方去大枣,加() ["A.芍药","B.附子","C.牡蛎","D.人参","E.干姜"]
1941年3月29日,国民政府公布《田赋改征实物办法暂行规则》,开始实行的政策。
酱油中存在的铵盐使氨基酸态氮的测定() ["不受影响","结果偏高","结果偏低,不可修正","无法进行","结果偏低,但可修正"]
转移风险