Meanwhile, acetone was a polymerization inhibitor in preventing the self - polymerization ofp - methoxybenzyl chloride, and 11. 同时探索了甲氧基苄氯自聚的阻聚剂, 初选的阻聚剂丙酮可使甲氧 基苄 氯粗品的收率提高11.
Distinguish important text items in lists with graphic icons.用图标来区分重要的文本项.ERRORLEVEL: Lists the error code of the most recently used command.列出 了最近使用的命令的错误代码.The book is expected to dominate the best-seller lists...这本书预计...
Carbon is needed as a reducing agent in many metallurgical operation.许多金属冶炼操作中需要碳作为还原剂.They point out inadequacies in applying criteria developed from metallurgical practice to reinforced plastics.他们指出了把冶金工业采用的断裂标准应用于增强塑...
She spends her Easter holidays taking groups of children to France.她带领一群孩子去法国过复活节。He spends his time flitting between Florence, Rome and Bologna.他辗转于佛罗伦萨、罗马和博洛尼亚三地之间。She spends her days reading and watching television.她每...
她处于一种被称为植物人的状态。She was in what was described as a vegetative state.从那次事故后,他开始过植物人的生活.After the accident he began to lead a vegetable life.她处于医生所说的不可逆性植物人状态已经5年了。She had been in what doctors described as an irreversible v...