查询词典 condensation

This will prevent heat transfer between air within and outside the duct s and condensation on duct s carrying cold air.

这会防止管道内外空气间的热传导并避免传送冷空气的管道上发生冷凝现象。

In view of the condensation problem of the system,presents the concept of moisture removal ability of unit mass of fresh air .

针对该系统的结露问题，提出了单位质量新风量除湿能力的概念。

Vessel 3 acts as cooling zone, and passage 8 of air pipeline acts as zone of condensation.

船只3作为冷区，并通过8空气管路的行为，作为区凝结。

Or so. What's more, the theory of the films shaping and conducting is discussed. There are some key reactions such as alcoholysis reaction in the processing of Sol preparation, dehydration reaction and condensation polymerization when films are coated and consolidation in the process of desiccation and sinter.

左右。分析了溶胶-凝胶法制备薄膜的形成机理和导电机理，对薄膜形成过程进行分析，归纳出形成过程的化学反应主要有：溶胶制备中的醇解反应、浸渍提拉镀膜中的水解和缩聚反应以及干燥和热处理成膜中的聚合、分解与键合反应。

First esterification solution is prepared by alcoholysis PET. Then the feeding method, esterification and condensation temperature, catalytic-stable system and so on are adjusted.

酯化母液以醇解聚酯方法制备，然后通过对加料方式、酯化和缩聚温度、催化稳定体系等生产运行参数的调整，生产出质量良好的共聚酯切片。

In particular, when the Knoevenagel condensation of 2-hydroxybenzaldehyde was conducted with ethyl 2-cyanoacetate, 3-ethoxycarbonylcoumarin was obtained by simultaneous cyclization and alcoholysis of cyanide.

当反应底物为水杨醛与氰基乙酸乙酯的时候，产物为3-乙氧基羰基香豆素，这是水杨醛和氰基乙酸乙酯缩合关环，再发生氰基醇解的产物。

It was found that condensation reactions of indoles with aldehyde proceeded smoothly in high yields at room temperature.

相比较而言，在同样反应条件下，双吲哚烷基化合物的合成比三吲哚烷基化合物的合成更容易。

The catalysts used in the preparation of di acetone alcohol by the Aldol condensation were studied in detail, and a new kind of catalyst Ca 2/Al 2O 3 is developed.

对丙酮经Aldol缩合制二丙酮醇的催化剂进行了研究，研制出新型催化剂Ca 2 /Al2 O3，这种催化剂对丙酮的缩合反应具有较理想的活性及选择性。

Electrochemical potentiodynamic polarization, potentiostatic and metallographic techniques were used to study the corrosion behaviour of SUS36 stainless steel in aldol condensation media(70℃).

本文研究SUS36不锈钢，在醛化液中的腐蚀行为及电化学条件、介质中的杂质离子浓度等因素的影响。

The brown color of lecithin is largely the result of heathing the oil during solvent stripping and is to be the result of an aldehyde-amine reaction or aldol condensation.

大豆磷脂中的褐色物质可能是毛油在汽提时生成的，据认为是缩醛产物。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。