Glyoxylic acid was rapidly synthesized by catalytic oxidation of glyoxal with H 2 O 2.在催化剂存在下,用双氧水氧化乙二醛溶液快速合成了乙醛酸.Glyoxal is prepared with waste liquid propellant HNO 3 - 27 S and ethanal.利用报废的液体推进剂硝酸-27S和乙醛制备乙二醛.There a...
Her recital led off / She led off her recital with a Haydn sonata.她在独奏会上首先演出的是海顿的奏鸣曲.Mozart's style is quite distinct from Haydn's.莫扎特在风格上与海顿截然不同.Some famous classical composers were Bach, Vivaldi, Haydn and Mo...
A reply came by phone: Would we mind faxing the information?电话里传来了回音: 我们是否介意传真相关情况?With a scanner, you can email documents as PDFs instead of faxing.而有扫描仪的话, 你又可以不用发传真,而是将文件扫描成PDF档 电邮给客户.Almost forgot about the photocopy...
该市镇处于密集的炮火之下。The town is under heavy artillery fire.这笔钱将用来发展壮大市镇的商业中心。The money will be used to regenerate the commercial heart of the town.公园和戏院只是市镇娱乐设施的一部分.Parks and a theatre are just some of the town's local ame...
German banks have more insider knowledge than most.德国银行与大多数银行相比知晓更多的内部消息。Because of my connection with the bank you could be accused of insider trading.我在银行里做事,你可能因此被人指控盗窃内部经济情报.One insider who has seen the report said i...