本文采用密闭罐微波消化方法快速分解生物、土壤、沉积物等环境样品。
A closed-vessel microwave digestion method is described for the rapid dissolution of soil, sediment and biological samples.
大多数人想到防毒面具或呼吸器时，脑海中呈现的是一件配有某种过滤罐的、塑料或橡胶材质的密闭面具。
When most people think about gas masks or respirators, what they usually envision is a tight-fitting plastic or rubber face mask with some sort of filter cartridge.
测试方法及所需设备比较简单，能够在环境恶劣、贮存罐密闭的条件下确定物位的高度。
It 's simple for the method and the equipment but it can confirm the material' s position from the airtight pot in bad condition.
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