介绍了钛醇盐的合成方法.The synthesis method of titanium alkoxides has been introduced.一种联苯乙酸氨丁三醇盐, 化学式为C18H23NO5.The invention relates to a acid tromethamine salt , of which the formula is C 18 H 23 NO 5.通过优化有机硅 醇盐 的整理工艺,得到适合工厂生产的工...
The first leg of the journey was by boat to Lake Naivasha in Kenya.行程的首段是乘船到肯尼亚的奈瓦沙湖。In Nakuru , north - west of Naivasha, at least 80 people have been killed.在内瓦沙镇的西北部纳库卢镇, 至少有80人已经被杀害....
When Harry went to sea,his things were boxed up and put in the storeroom.哈利出海时,把东西都装了箱,放在了贮藏室里。... a boxed set of six cups and saucers...内含6套杯碟的一件盒装茶具As a boy he had boxed and wrestled.他小的时候又是打拳又是摔跤。The Greek philosopher...
He was described by his seniors as a model officer.上司们形容他是个模范官员。We should not set light by the advice of our seniors.对于长辈的规劝,我们不应轻视.The seniors organizations sent out mailings to their constituencies.老年人组织向各自的会员寄送了邮件。The...