It must be noted that acetylene is an explosive and dangerous gas.
可采用乙炔的具体浓度极限,见表35.2.
The specific concentration limits for acetylene may be applied, see Table 35.2.
开发经济上可行和环境上无害的乙炔替代性来源。
Develop economically viable and environmentally sound alternative sources of ethylene.
这种光纤充满了分子气体,如氰化氢或乙炔。
This optical fiber is filled with a molecular gas,such as hydrogen cyanide or acetylene.
以下充填LPG、乙炔气及各种气体的高压气体压力容器。
High-pressure gas pressure vessels filled with LPG, acetylene gas and various gases.
因此,乙炔燃烧着火时,绝对禁止使用四氯化碳灭火器。
When acetylene burns, it is absolutely forbidden to extinguish with carbon tetrachloride.
氧气瓶、工业燃瓶(乙炔)放置应相距5米以上。
Oxygen cylinders and industrial fuel bottles(acetylene) should be placed at a distance of more than 5 meters.
两个sp轨道分别在原子的两侧,互相对称:在乙炔中,H-C-C的键角是180°。
The two sp orbitals on anatom are on opposite sides of the atom: in acetylene, the H-C-C bond angles are 180°.
它也可以通过乙烯或乙炔,碳化钙,煤,油气和其他来源获得。
It can also be obtained via ethylene or acetylene, from calciumcarbide, coal, oil gas, and other sources.
使用乙炔法的氯乙烯单体生产产能的增长速度与使用乙烯法的这一速度一样快甚至更快。
VCM production capacity using acetylene has increased as fast as or faster than production capacity using ethylene.
氯乙烯单体生产所用的乙炔工艺把汞化氯作为催化剂成分。
VCM production using the acetylene process employs mercuric chloride as a component of the catalyst.
(d)对于UN1001(溶解乙炔)和UN3374(乙炔,无溶剂),见(4)中的特殊包装规定P。
(d) For UN 1001, acetylene, dissolved, and UN 3374 acetylene, solvent free, see(4), special packing provision p.
他们团队的模型显示,氰化氢、乙炔和乙烷气体的结合可以降低温度。
His team's model suggests that a combination of hydrogen cyanide, acetylene and ethane gas can cool things down.
这些货车中,大部分拉的是工厂所需的材料,如煤、盐以及这次引起事故的乙炔等等。
Most of these trucks pulled the materials needed by the factory, such as coal,salt, and acetylene that caused the accident.
他的研究小组的模型显示,氰化氢、乙炔和乙烷气体的混合物可以使物体降温。
His team's model suggests that a combination of hydrogen cyanide, acetylene and ethane gas can cool things down.
这被认为是乙炔厂发生爆炸的原因,导致这样的工厂放弃铜作为结构中的材料。
This was found to be the cause of explosions in acetylene plants, and led to abandonment of copper as a construction material in such plants.
年起有一家工厂一直使用乙烯法,取代原来的使用乙炔法(以氯化汞作催化剂)的工厂。
One plant using the ethylene route inoperation since 1970 replacing a plant using the acetylene process(mercuric chloride based catalyst).
观测数据显示羽状物中含有更多的化学物质,包括简单的和复杂的碳氢化合物,如丙烷、乙烷和乙炔。
Data on this flyby revealed additional chemicals in the plume, including simple and complex hydrocarbons such as propane,ethane, and acetylene.
这种分子矿物质由乙炔和丁烷组成,这两种有机分子在土卫六大气层中产生,然后落到其表面。
This molecular mineral is made up of acetylene and butane, two organic molecules that are produced in Titan's atmosphere and fall down onto the surface.
莫斯-保尔森的原型燃料是通过普通工业过程和广泛使用的工业试剂(包括乙炔的衍生物)制成的。
Moth-Poulson's prototype fuels are made via common industrial processes and from widely available industrial agents,including derivatives of acetylene.
推动开发用于乙炔的无汞催化剂,这种工艺应是可以获得的、在技术和经济上是可行的、而且是环境无害的。
Promote the development of a non-mercury catalyst for the acetylene process which is available, technically and economically viable and environmentally sound.
氢安全氢气具有最广泛的爆炸/点火混合范围之一,所有气体的空气都很少,例如乙炔,硅烷和环氧乙烷。
Hydrogen has one of the widest explosive/ignition mixrange with air of all the gases with few exceptions such as acetylene, silane, and ethylene oxide.
In the case of pressure receptacles intended for the transport of compressed gases, UN 1001 acetylene, dissolved, and UN 3374 acetylene, solvent free, the working pressure in bar, preceded by the letters" PW";
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