氩气是一种无色、无味的单原子气体,相对原子质量为39. 948。一般由空气液化后,用分馏法制取氩气。氩气的密度是空气的1.4倍,是氦气的10倍。氩气是一种惰性气体,在常温下与其他物质均不起化学反应,在高温下也不溶于液态金属中,在焊接有色金属时更能显示其优越性。可用于灯泡充气和对不锈钢、镁、铝等的电弧焊接,即“氩弧焊”。
氩气 [化学] Argon ; Ar ; argon arc welding ; argon liquid
氩气焊 argon arc welding
氩气瓶 argon gas bomb ; argon bottle ; argon cylinder
氩气灯 argon lamp
氩气闪光灯 argon flash
氩气溅镀蚀刻过程 argon sputter-etch process
半自动氩气弧焊机 semi-automatic argon arc welder
氩气保护电弧 argon arc
氩气弹簧 argon gas spring
氩[气电]弧焊 argon arc welding
When Argon gas and a small quantity of O2 mixed together, the highest hydrogen yield was achieved.
当以氩气和微量的氧混合时达到最大产氢率。
参考来源 - 光合细菌利用低分子有机酸产氢的试验研究This paper studies the lasing condition at lower pressure of argon with experiment.
实验探索了较低氩气气压下激光产生的条件。
参考来源 - 期刊学术社区·2,447,543篇论文数据,部分数据来源于NoteExpress
1987年,氩气价值的类似下降导致阿尔戈尼亚的出口再次增加。
In 1987 a similar reduction in the value of the argon led to another increase in Argonia's exports.
面对再次增加出口的需要,Argonia 的财政部长提议再次降低氩气的价值。
Faced with the need to increase exports yet again, Argonia's finance minister has proposed another reduction in the value of the argon.
当它们被密封之后,就向其中注入氪气和氩气。
After they are sealed up, krypton and argon gasses are pumped into the space in between.
p1 V1 Initial find -- there are many ways p2 V2 V1 I can get from one state to the other.
初态的氩气状态为,末态为。
So if you have a gas of argon atoms, 5/3 you know what gamma is.
于是我们知道,氩气的γ值是。
There is V1 here. There's V2 here.
比如说氩气。
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