| 释义 |
Pure nitrogen
基本例句
氮肥量
Pure nitrogenor argon is bubbled through the solution until all color is gone.向溶液中鼓入纯氮气或氩气，直到溶液没有了颜色时为止。
Alloy steel was plasma nitirded under the atmosphere of pure nitrogen using active screen plasma nitridingat high voltage and low pressure.采用高电压、低气压的离子渗氮工艺,利用活性屏离子渗氮技术对合金钢在纯氮气氛下进行离子渗氮处理。
The best combination is base manure proportion and the times of after manure 2/5 +5times + 521 lhole/667m2 + pure nitrogen 15kg/667 m2 + pure potassium 12kg/ 667m2.最优组合是基肥比例及追肥次数2/5+5次+5211 株/667 m2+纯氮15kg/667 m2+纯钾12kg/667 m2。
The influence of nitrogen on the equilibrium and nonequi-librium phase transformation temperature of gray cast iron was studied by DTA and SDC methods with Fe-C-Si and Fe-C-Si-Mn alloys as experimental materials added with pure nitrogen.本文采用工业纯Fe-C-Si和Fe-C-Si-Mn合金作为实验材料,加入纯氮,用差热分析和微分热分析法研究了氮对灰铸铁平衡及非平衡相变温度的影响。
Introduced one kind of new technology of nitrogen purifies applies into the melt sourcing because of the high purchase cost of pure nitrogen, and will take inconvenience to the enterprises.摘要外购高纯氮气，不仅价格高，而且有时还给生产造成不便，为此研究了一种氮气净化的新技术用于熔体精练。 |