| 1. | Allene is an isomer of methyl acetylene .
丙二烯是甲基乙炔的一种异构体。 |
| 2. | In the high-pressure system both oxygen and acetylene are used from high-pressure cylinders .
在高压法中，氧气和乙炔都取用于高压瓶。 |
| 3. | In the darkness, the machine gun spat a vindictive white light like an acetylene torch .
机枪在黑暗中吐出一道凶厉的白光，活象一支喷火的乙炔吹管。 |
| 4. | They clearly demonstrated that nitrogenase could catalyze the reduction of acetylene as well as n2
他们明确地证明，固氮酶能催化乙炔以及N2的还原。 |
| 5. | Acetylene black - determination of apparent specific volume
乙炔炭黑视比容的测定 |
| 6. | Acetylene black - determination of iodine absorption number
乙炔炭黑吸碘值的测定 |
| 7. | Acetylene black - determination of iodine absorptionnumber
乙炔炭黑吸碘值的测定 |
| 8. | Acetylene black - determination of apparent specificvolume
乙炔炭黑视比容的测定 |
| 9. | Chemicals . calcium carbide for the generation of acetylene
化学制品.碳化钙 |
| 10. | Method for pneumatic test of dissolved acetylene cylinders
溶解乙炔气瓶气压试验方法 |
