Once the ovum is released it has a lifespan of 12 to 36 hours.卵子排出后可存活12至36小时。an immature ovum未成熟的卵细胞One way is taking the cell from a fertilized ovum.一种方法是从受精卵中取出细胞.By day 11 the ovum begins to attach and implant in the...
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 ...
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...
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...
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...
Objective To investigate the importance of cerebrospinal fluid ( CSF ) examinations in diagnosing meningeal carcinomatosis.目的探讨脑脊液检查对诊断脑膜 癌 病的重要意义.Are meningeal tumour and colloid tumour same?脑膜瘤和胶质瘤是一样的 吗 ?What does men...