Optionally, the purified diisobutylene may be hydrogenated to isooctane hydrogenation catalyst.任选的是, 可用加氢催化剂将纯化的二聚异丁烯加氢生成异辛烷.It is infrequence in China that the weld high - temperature high - pressure hydrogenation pipe ...
Soho was still a highly dubious area...索霍区仍然是个靠不住的地方。...sleazy cinemas in London's Soho...伦敦Soho区破落的电影院Soho was still a highly dubious area.索霍区仍然是个靠不住的地方。Here, in the heart of Soho, they tried to " out -- Bohemia Bo...
讨论了一种用于电子显微镜系统的发叉形Y2O3阴极的制备工艺及主要性能测试结果.This paper introduces a hairpin Y 2 O 3 cathode used for electronic microscope systems.我想是阴极的材料和生产流程制造了大部分的区别.Isuspect the cathode material and processing makes the biggestdifferenc...
The Public Utilities Commission inspects us once a year.公共事业委员会每年到我们这里视察一次。When he inspects he brings a needle, probes the cracks on the stairs for dust.检查时他总要随身带上一根针, 剔剔扶梯缝里的灰尘.The Public Utilities Commission inspects u...