此反应得到的产物为二烷基苯基丙二酸酯的碱金属盐衍生物.The immediate products of this reaction are alkali - metal derivatives of dialkyl phenylmalonates.以丙二酸做为调控剂,得到纤维状的碳酸钡晶体.Barium carbonate crystal with fiber structure was prepared from malonic a...
He was disgusted with the stodgy pizzas on sale in London.他讨厌吃伦敦卖的难以下咽的比萨饼。He bought a sports jacket on sale at Gowings Men's Store.他在高英斯男装店买了一件打折的运动上衣。All tickets go on sale this Friday.所有票在本星期五开始销售。...
山为环形的破火山口洼地环抱着.The mountain is encircled by the doughnut - shaped depression of the caldera.如果轴是倾伏的, 就会产生环形的或锯齿状的山脊与山谷.If the axis plunges, loop - shaped or zigzag patterns of ridges and valleys result.该设备的目的就是为了判定径向和环形的...
Dryness to avoid creating bronzing layer oxidizing or injury.燥,以免造成烫金层氧化或损伤.The occurred mainly in the large printing gold and bronzing products.其主要出现在大面积印金及烫金产品.Oily bronzing glue for non - paper, cloth material used fo...
组氨酸:是蛋白质中少有的一种碱性氨基酸.Histidine A basic amino acid formed only rarely in proteins.目的研究非小细胞肺癌(NSCLC) 中脆弱性组氨酸三联体(FHIT) 、 细胞周期素D1(cyclinD1) 、 细胞周期蛋白依赖激酶4(CDK4)的表达与NSCLC发生发展的关系.Objective To investigate the role of FHIT, cyclin...
She looks disconcertingly like a familiar aunt or grandmother.令人疑惑的是,她看上去就像一位面熟的邻家阿姨或是祖母。He lives with an aunt who keeps house for him.他和一位帮他料理家务的姑妈住在一起。Her Aunt Sallie gave her an uncharacteristically extravagant gift.萨...