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nitrogen gas cylinder 氮气容器
What are the purposes of helium and nitrogen gas? 氦气与氮气在这套系统中有何作用？
Go more greatly, the oxygen that breathes from inside gas cylinder is purer. 潜得越深，从气瓶中呼吸到的氧气就越纯。
It was an adaptation of Wilson's cloud chamber, filled with nitrogen gas. 这只是对威尔逊氮气云室的一种改进。
Oxygen permeance and nitrogen gas permeance of materials should be tested. 氧渗透和氮气渗透的材料，应进行测试。
The carbon fiber wrapped gas cylinder boasts for its anticorrosion, long use life, lightweight, high strength and no breakage. 碳纤维缠绕气瓶具有耐腐蚀、使用寿命长、重轻、强度高、不破碎的卓越性能。
Abstract The forming reasons of the skin blowhole in welding gas cylinder steel HP295 are analyzed. 摘要分析了HP295焊接气瓶用钢铸坯皮下气泡缺陷的成因；
The recycled dry nitrogen gas is used to purge the sample chamber and upper lid window surface of condensation. 循环的干氮气被用于排除腔体内的空气和吹扫顶盖窗口。
Active CO2 gas cylinder used specific welding machine , weld seam forming aesthetic, high strength. 活柱体采用CO2气体保护焊专用焊机，焊缝成形美观，强度高。
This solid generant buns in an enclosed chamber to produce harmless nitrogen gas. 这种物质燃烧时会产生无害的氮气。
After purging with nitrogen gas and cooling to 80.degree. C, the contents of the reactor are bottled. 在用氮气吹扫和冷却到80度后;反应器中的物质被瓶装.
When left unattended, torches should be isolated by closing the gas cylinder valves, removing the valve keys and depressurising the hoses. 当无人在场看管时，应关闭气体钢瓶阀门，取掉阀门扳手，由此将焊枪隔离并将软管卸压。
Simple structure,ideal greasing position and rear cover with nitrogen gas leakage proof make the maintenance very easy. 简单的结构;极佳的油脂润滑位置;无氮气泄漏的后盖;使维修保养异常便利.
Sometimes he claimed it was an explosion in a fume hood;at other times a gas cylinder had fallen from its moorings and crushed him. 有时，他声称是一场通风厨里的爆炸，另一些时候，则称是一只气瓶从它的安放处掉落砸到了他。
One of these comes from making fertilisers, using the Haber-Bosch process which converts nitrogen gas into ammonia. 其中一种是通过将氮气转换成氨气的Haber-Bosch工序来制造肥料。
When the gas cylinder when the exhaust pressure to achieve, when the exhaust valve 4 is opened, the gas was discharged to complete a working cycle. 当气缸内的气体达到排气压力时，此时排气阀4被打开，气体被排出，完成了一个工作循环。
Simple structure, ideal greasing position and rear cover with nitrogen gas leakage proof make the maintenance very easy. 简单的结构、极佳的油脂润滑位置、无氮气泄漏的后盖,使维修保养异常便利。
The following equipment need buffer room (the buffer room is used for safe cabinet of gas cylinder and noisy compressor and keeping cleaner): AAS, AFS, GC-MS, and LC-MS. 需要设缓冲间的仪器(缓冲间用来放置安全气柜瓶和有噪声的压缩机以及保持清洁)原子吸收,原子荧光,气相色谱质谱,液相色谱质谱。
Abstract: The emission spectrum of nitrogen gas behind normal shock wave at different moments is measured with an optical multichannel analyser. 文摘:利用多通道光学分析仪测量激波波后不同时刻高温氮气的辐射光谱发现，辐射随时间发生强烈的变化。
Fit the CO2 gas cylinder in an upright position so that it is firmly in place with its top pointing upwards, if possible on the same trolley as the insufflator. 二氧化碳气缸竖直放置高处，以使其顶部稳固朝上，有必要和象注气器同时放置于推车上。