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- Directed at fire prevention in goaf,the paper proposes a method of injecting nitrogen and controlling nitrogen air to flow direction using fugitive air and controlling air quantity in gob. 為解決采空區防火問(wèn)題,提出從采空區漏入風(fēng)一側順流注氮,充分利用采空區漏風(fēng)流向控制氮氣的流向并控制漏風(fēng)量的注氮思路。
- Based on cause analysis of perlite entering piston oxygen compressor with inlet gas,corresponding treatment measures are described.The seal gas of cold box was moved from nitrogen pipe to waste nitrogen pipe to prevent similar accidents. 分析了活塞式氧壓機進(jìn)氣帶珠光砂的原因,介紹了處理措施,把冷箱密封氣從氮氣管線(xiàn)上改到污氮管線(xiàn)上,以杜絕類(lèi)似事故再次發(fā)生。
- Air consists chiefly of nitrogen. 空氣主要由氮氣組成。
- Nitrogen forms most of the Earth's air. 地球上空氣的大部分成分是氮氣。
- Will you sunder nitrogen from air? 你能從空氣中把氮氣分離出來(lái)嗎?
- Slop out the waste basins first when you get up. 起床的第一件事是把例盆倒了。
- Don't waste time on nonessentials. 不要把時(shí)間浪費在枝節事情上。
- What is the percentage of nitrogen in air? 空氣中所含的氮的比例是多少?
- It's only a waste of time to speak to her. 和她說(shuō)話(huà)純粹是浪費時(shí)間。
- I can't just let the water run to waste. 我不能讓這些水白白流掉。
- The lamp is full of gaseous nitrogen. 燈里充滿(mǎn)了氣體氮。
- It'd be a pity if all this work went to waste. 如果所有這一切工作都白干了，那多可惜。
- It is often the case that haste makes waste. 忙中有錯是很常見(jiàn)的。
- Nitrogen forms about 78% of the earth's atmosphere. 氮約占地球大氣的百分之七十八。
- It's a waste of money betting on that old nag! 把賭金壓在那匹老馬上就是白扔錢(qián)！
- Don't waste time on niggling details. 不要為瑣事浪費時(shí)間。
- "Waste not, want not" is her favorite maxim. “不浪費則不匱乏”是她特別喜愛(ài)的格言。
- Haste makes waste, so be careful as you work. 欲速則不達，所以工作時(shí)仔細些。
- I can't waste time on such frivolities. 我不能在這種無(wú)聊的事情上浪費時(shí)間。
- I don't like to waste your time. 我不愿浪費你的時(shí)間。
