The property of the composite membranes characterized by sampling and detecting airborne microorganism and E. coli phagocyte in simulation room.
通过空气中细菌采样以及大肠杆菌噬菌体模拟采样实验来表征壳聚糖复合膜作为采样用膜的特性。
The utility model has the advantages that the negative pressure purifying weighing room can prevent ultra-fin powder chemical agents from diffusing and flying when in sampling and weighing.
本实用新型的优点是可以防止取样称重时极细的粉末化学试剂弥漫飞扬。
The utility model has the advantages that the negative pressure purifying weighing room can prevent ultra-fin powder chemical agents from diffusing and flying when in sampling and weighing.
本实用新型的优点是可以防止取样称重时极细的粉末化学试剂弥漫飞扬。
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