Cyclopropane rings are included within larger systems, such as triterpenes.三元环包含在较大的环系统中,像三萜类中.Under the optimum condition the yield of isopropyl cyclopropane carboxylate is 92 %.在最佳反应条件下,环丙烷羧酸异丙酯的产率达92%.Cyclopropane car...
A blade guard is fitted to protect the operator.为保证操作人员的人身安全安装了桨叶保护罩。The RE - aluminizing technique and coating structure of gas turbine blade made of alloy M 38 G are studied.研究了涡轮叶片材料M38G合金渗稀土 - 铝涂层的工艺过程和组织结构.The matad...
我们需要把有机的和无机的废料分开.We need to sort organic from non - organic waste.介绍了几种用溶胶凝胶法制备ITO薄膜 的工艺方法,用其中一种无机的方法成功制备了ITO透明导电膜.Several methods of the preparation of ITO thin film with sol - gel technique were introduced.无论从有机或无机的食物来...
To the south the hills dropped away to farmland.山势在南边一路下倾延伸至农田。The Netherlands has been reclaiming farmland from water.荷兰人一直在围海造地。250 acres of farmland250英亩耕地...
或许卡洛纳也会回来, 带有新的财政机谋.Perhaps Calonne might return too, with fresh financial expedients.我们约好在潘普洛纳会面.We arranged to meet at Pamplona.西班牙的篮球队如皇家马德里 、 巴塞罗那俱乐部和巴达洛纳等多次在欧洲杯等国际比赛中获冠.Spanish teams as Real Madrid, FC Barcelona and...