Advances in ethane dehydrogenation to ethene have been reviewed.乙烷脱氢制乙烯是乙烷利用的有效途径.Results show that PCE was dechlorinated reductively to DCEs and TCE, probable VC and ethene.结果表明:在微生物的作用下PCE还原脱氯为TCE和DCEs, 可能有VC和乙烯....
The two writers had a number of tilts in print.这两位作家写过一些文章互相攻击.Berg tilts his head and a mischievous look crosses his face.伯格侧着头，脸上掠过一丝调皮的神情。If the gyro tilts, the mercury is subjected to components of gravity which vary...