Results show that the ammonia and nitrogen adsorption amount of packing is affected by the kinds, service time, filling mode and filling position.
结果表明填料的氨氮吸附量受填料的种类、使用时间、填充方式和填充位置的影响。
The use of plane packing in nitrogen hydrogen gas compressor in the plant shows that the packing has features as simple structure, easy installation, good sealing and long service life.
平面填料在该厂氮氢气压缩机上的应用表明，该填料结构简单，安装方便，密封效果好，使用寿命长。
Aiming to extend the shelf life of peanut protein powder, the effect of adding antioxidants and antioxidant synergists, coupled with nitrogen gas packing, were studied in this work.
研究了采用添加抗氧化剂、抗氧化增效剂、充氮包装等方法延长花生蛋白粉的保质期。
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