[化]氩英释中释na colourless gas that is found in very small quantities in the air and is sometimes used in electric light bulb s . It is a chemical element : symbol Ar
1 argon arc,氩弧焊
2 argon arc welding,氩弧焊
3 argon laser,[光]氩激光器
4 liquid argon,液氩
1 We could use argon ion..我们可以用氩离子。
2 Others decay more slowly, like some cesium, iodine, strontium, and argon..剩下的一些延迟消退的很慢,比如铯、碘、锶和氩。
3 The atmosphere is roughly 78 percent nitrogen, 21 percent oxygen, with trace amounts of water, argon, carbon dioxide and other gases..地球大气含有大约78%的氮气、21%的氧气和痕量的水蒸气、氩气和二氧化碳等其它气体。
更新时间:2025-02-22 15:13:19