acetylene

But since no probe has directly sampled them, no one knows how much acetylene they might contain.
但是由于没有确凿证据，没有人知道它们包含多少乙炔。
But in that case, too, a catalyst would be needed to boost reaction rates enough to account for the dearth of acetylene.
但在那种情况下，也需要催化剂去加快足够的反应速度，以解释乙炔的缺失。
The reaction to release of the heat, namely the acetylene in oxygen burning process is an exothermic chemical process.
上述的反应释放出热量，即乙炔在氧气中燃烧的过程是一个放热的过程。
The hazards of higher alkynes held up in acetylene concentration system were presented.
介绍了乙炔装置提浓工号高级炔烃滞留系统的危害；
Must be in between converge-wires installation guide and acetylene line of electrostatic eliminating grounding device.
一定要在汇流排间和乙炔管道上安装导除静电的接地装置。
Transportable gas cylinders - Battery vehicles for permanent and liquefied gases (excluding acetylene) - Inspection at time of filling.
Transportable gas cylinders - Cylinder bundles for permanent and liquefied gases (excluding acetylene) - Inspection at time of filling.
Transportable gas cylinders - Cylinders for compressed gases (excluding acetylene) - Inspection at time of filling.
As one of bulk chemical materials, acetylene were widely used in commercial production of chemicals.
乙炔作为大宗化工基础原料，具有广泛的用途。
Transportable gas cylinders - Cylinders for dissolved acetylene - Inspection at time of filling.