您要查找的是不是:
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- A cloud is a condensation of water vapour in the atmosphere. 云是由大气中的水蒸气凝结成的。
- condensation of ester 酯缩合作用
- The condensation of D is a directed graph with m vertices. D的凝聚图是指一个有m个顶点的有向图。
- The dropwise condensation of steam is realized on these films. 滴状冷凝初始液滴形成机理一直是悬而未决的问题。
- Maltitol stearic acid ester was synthesized by condensation of maltitol with stearoyl chloride in the presence of the catalyst and with acetic acid as solvent. 以麦芽糖醇、硬脂酰氯为主要原料,在催化剂存在下,在醋酸溶剂中缩合成麦芽糖醇硬脂酸酯。
- The report is a brilliant condensation of several years' work. 这报告是几年工作的精华。
- The Knoevenagel condensation of armatic aldehydes and malononitrile or cyanacetic ester is carried out by DMF as solvent without catalyst.The process gives high yields of products. 本文报道了无外加催化剂条件下以DMF为溶剂芳香醛与丙二腈或氰基乙酸乙醇进行克脑文盖尔缩合反应,此法产率较高。
- A pump without pistons that operates by means of pulsed condensation of steam. 气压泵一种通过搏动的压缩蒸汽操作的没有活塞的泵
- Cosette was a condensation of the auroral light in the form of a woman. 珂赛特是曙光凝聚起来的妇女形体。
- The numbers of ester and its content in various kinds of Chinese date are different. 不同品种的红枣中所含酯类的多少及含量的高低均有所差异。
- Good resources of ester C include fresh berries such as raspberries, blackberries or strawberries. 酯C的良好来源包括新鲜浆果如红覆盆子、黑莓或草莓。
- The hybrid LB film of ester substituted CuPc/ ester substituted perylene were fabricated subsequently. 进一步采用LB膜技术,制备了醋基取代酞蓄铜酒旨基取代花复合膜。
- Study on enzymatic synthesis of ester derivatives of nucleosides in recent years was reviewed in the present work. 本文就近年来核苷类化合物酯类衍生物酶法合成的研究进行综述。
- The results show that the dendrimers of ester as end group have visbreaking effect on the crude oil. 5代树状长链酯对原油的降黏性能,分析了树状大分子的端基结构对原油降黏性能的影响。
- Great quantities of cooling water must be available for condensation of the ethylchloride. 为了凝结氯乙烷气体,必须使用大量的冷却水。
- A hot core heater would be very useful to avoid condensation of the constituents of air at the higher Mach numbers. 利用一个核心加热器,可以有效地避免空气成分在较高马赫数时发生冷凝。
- It is believed that the chromagen results from condensation of two molecules of TBA with one molecule of malonaldehyde. 一般认为这个颜色来源于两个TBA分子与一个丙醛酸分子的缩合。
- Distillation Vaporization of a liquid and subsequent condensation of the resultant gas Back to liquid form. 蒸馏 :把一种物质先转变成蒸气,再冷凝成液体的过程。
- The condensation of extractive liquid of placenta by ultrafiltration is studied. 报导用超滤法浓缩胎盘萃取液的试验研究。
