Objective To study the occupational hazards characteristics in the process of big and small breathing loss on nitrogen sealed vault tank.
目的研究氮封拱顶化工储罐“大小呼吸”过程中的职业危害特征。
Using nitrogen sealed water tanks to solve the problems of electronics industry require a higher water use, water storage easy to pollution ;
采用了氮封水箱解决了电子工业用水要求较高，水的储存及容易被污染问题；
Reed SWITCH: Rhodium coated reed contacts in hermetically sealed, nitrogen filled glass capsule.
干簧：铑在密封的，氮气填充玻璃胶囊包覆芦苇接触。
As the inactive nitrogen in insulated dielectric layer, it will form an even and compact micro-hole structure with no linkage between each micro-hole which like the sealed room.
以不活泼的氮气充入绝缘介质层构成细密均匀的微孔结构，各微孔间互不连通，类似一个个密封仓。
The results showed that powdered red chillicolour should be sealed under nitrogen, stored in a cool and dark place.
结果表明，固体辣椒红色素宜于低温、避光、充氮下保存。
The results showed that powdered red chillicolour should be sealed under nitrogen, stored in a cool and dark place.
结果表明，固体辣椒红色素宜于低温、避光、充氮下保存。
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