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- Twenty one new O (1,2,2,2 tetrachloro)ethyl O substituted phenyl phosphoramidothionates were synthesized and their structures were characterized through IR, NMR( 1H、 31 P) and MS. 以取代的苯氧基替代烷氧基,合成了21种新的O-(1,2,2,2-四氯)乙基-O-取代苯基硫逐磷酰胺酯。
- Synthesis, Characterization and Biological Activity of O (1,2,2,2 tetrachloro)ethyl O Substituted Phenyl Phosphoramidothionates 含O-(1,2,2,2-四氯)乙基-O-取代苯基硫逐磷酰胺酯的合成、结构表征和生物活性
- Closing time at this pub is eleven o' clock. 这酒馆的打烊时间是十一点。
- The coach substituted Smith for Jones. 教练让史密斯上场,换下了琼斯。
- Tom substituted for the injured player. 汤姆替换了那个受伤的运动员。
- We've got the OK from the council at last. 我们终於获得了委员会的同意。
- Syntheses of a Series of O ethyl O substituted Phenyl O (phthalimide)ethylphosphorothionate and Their Isomeric Reaction 曾强, 乙基-O-取代苯基-O-[(2-邻苯二甲酰亚胺基)乙基]硫代磷酸酯的合成及其异构化研究
- The child's mouth formed a big O in surprise. 那孩子惊奇得张著嘴像个大O字。
- The understudy was substituted when the leading actor fell ill. 主角演员患病,由替角代替演出。
- A striker was substituted for a midfield player in the last half-hour of play. 在比赛的最后30分钟里,一个中场运动员被一个强攻手替换了下去。
- We substituted a red ball for blue to see if the baby would notice. 我们用红皮球换下了蓝皮球,看这婴儿会不会发觉。
- Home-made parts are being substituted for imported ones. 国产零件取代进口零件。
- Ok may I have your last name and first initial, please? 好的。请您告诉我贵姓及大名的头一个字母。
- Only when everything is ok will the patent be registered. 只有一切都顺利,才能登记专利。
- She substituted margarine for butter. 她用人造的奶油代替黄油。
- Have you finished lunch already? It's only12 o' clock! 你已经吃过午饭了吗?现在才12点。
- She's OK, but she always likes to blab about how successful her husband is. 她还可以啦,不过她老爱提她老公有多成功。
- He substituted as the typist in the office. 他代替做这个办公室的打字员。
- We had to eat some potatoes substituted as a meal. 我们只得吃了几个马铃薯充饥。
- He substituted for the typist during her absence. 打字员不在时由他代替。