condensation

Methods: Five Schiff bases were prepared from piperonal and diamines by condensation reaction.

目的: 合成新的双-胡椒醛缩二胺类席夫碱化合物.

Also , this paper analyses the vertical distribution law of time for dew condensation, disappearance and duration.

分析了麦田露形成 、 消失和持续时间的垂直分布规律.

Wrap the ice packs in sheets of newspaper to absorb any condensation to reduce air humidity.

把冰袋用一张报纸包裹以便吸收被凝结的水珠以降低盒子里头的湿度.

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。

The condensation is effected by heating a suitable mixture of sodium hydrogen orthophosphates.

聚合可借加热正磷酸氢钠的适当混合物实现.

Mixed acid as the catalyst, vacuum distilling condensation, the yield could be 53.

采用乙醛酸、尿素和回收滤液为原料,混酸为催化剂, 经真空蒸馏缩合制得尿囊素.

To isolate a condensation polymer, casein, from milk.

从牛奶中分离出一种缩聚产物, 酪蛋白.

Condensation is the change a gas, as water vapors, into a liquid or solid.

冷凝是气体变化, 如水蒸汽变成液态或固态.

Coacervation paint : Can condensation polymerization quickly for the paint when construction not sediment, salvage easy.

性能: 对施工时喷出漆雾缩聚迅速,不沉底易打捞.

Implementation science cultural perspective, condensation and stimulation development joint effort.

实施科学的文化观, 凝聚和激发发展合力.

The window panes were running with condensation.

凝结的水珠在窗玻璃上流动。

Condensation will eventually cause the fabric of the building to rot away.

冷凝作用将最终使建筑结构腐朽掉。

Two kinds of buff powder were obtained by extracting, column chromatography, condensation and drying.

实验用扇贝和翡翠贻贝均为市售,两种贝类经提取, 过柱, 浓缩及干燥得到浅黄色粉末.

Condensation occurs when the supersaturation is positive.

当过饱和是正值时,则出现凝结.

The whole stiffness matrix of structural system is derived by condensation approach.

分析了结构运动方程,并采用缩聚法建立结构总侧移刚度.

There was condensation on the windows.

玻璃窗上凝结着水珠.

The term condensation is now firmly entrenched in the literature of polymer science.

缩合这个术语,现在在聚合物科学文献中已牢固的确定.

This product condensation, and never can be the construction of secondary water mixing.

本品凝结后, 决不可二次加水搅拌施工.

Pure essence comes from the condensation of original nature.

纯洁的菁华来自于自然本色的凝聚、沉积.

Objective: Quantitative analysis of four polybasic alcohols and condensation alcohols.

目的: 对多元醇及多元缩合醇的定量分析.

Biolight Optimal Condensation Face Cream Cleanser.

Biolight优能水凝洁颜霜.

Condensation reaction of piperazine is a very important step in the process of synthesis of ciprofloxacin.

摘要呱嗪缩合反应是环丙沙星生?工艺中的关键步骤.

One benzosuberone and one benzocyclopentane are synthesized when controlling the condensation reaction temperature.

控制缩合反应的温度,还得到一种苯并环庚酮和一种苯并环戊烷.

Mesophase microbeads were prepared from coal tar pitch by thermal condensation in atmospheric pressure.

以煤焦油沥青为原料采用常压热缩聚工艺制备中间相沥青微球.

Method: Fasidotril was synthesized from piperonylacrylic acide through addition, separation, condensation reactions and by crystallization.

方法: 以胡椒丙烯酸为原料,经加成 、 拆分 、 缩合反应以及结晶分离,制得法西多曲.