condensation的例句大全

A Numerical Solution of Condensate Heat Flow Problem and Relevant Questions about condensation heat transfer on V Type Corrugated surface

V型波纹管表面冷凝传热凝液量与临界管长计算的研究

A new process for producing roofing asphalt by steam cracking and condensation

建筑沥青生产新工艺&渣油过热水蒸汽裂解缩合

A new process for producing roofing asphalt from petroleum residua by steam cracking and condensation has been studied in the laboratory.

在实验室中研究了一种从石油残渣油制取建筑沥青的新工艺&水蒸汽裂解缩合。

Study on Heat Transfer in Inclined Vapor-Liquid Countercurrent Flow Condensation

倾斜式汽液逆流冷凝传热研究

The conventional method was by the condensation reaction of formaldehyde and polyvinyl alcohol.

常规的制备方法是通过甲醛和聚乙烯醇的缩合反应来实现的.

The method consists of ultrasonic extraction of colistin sulfate in feed sample, condensation of the extraction liquid by rotary evaporator, and determination by HPLC.

该方法首先用超声波法提取饲料中的硫酸粘杆菌素，通过旋转蒸发将提取液浓缩后，利用HPLC进行检测。

Methods The condensation of 2-bromo-5,6-dimethoxy-indan-1-one with various aminoalkyl phenols in the presence of ( K_ ( 2) CO_ ( 3)) and acetonitrile gave the corresponding title compounds, and the in vitro AchE and BchE inhibitory activities were evaluated by the modified Ellman method.

方法在K2CO3和乙腈存在下，将2-溴-5,6-二甲氧基-1-茚酮与多种胺烷基苯酚缩合得到一系列苯氧茚酮类衍生物，并采用改进的Ellman方法研究它们的体外AchE和BchE抑制活性。

Three noncyclic acetal-linked cleavable surfactants were prepared based on the optimum condition by condensation of para formaldehyde with polyethers O-9, O-15, O-20. The yield was 88.6%, 81%, 75%, respectively and the structure was determined by NMR.

采用最佳工艺条件合成了O-9、O-15、O-20缩甲醛三种分子量较大的缩醛型聚醚，产率分别为88.6%、81.9%、75%。

The collection of condensation vapour ascent is not allowed when pipes laid.

在使用中尽量不出现反坡,以防冷凝水的聚积.

Oxygen containing polymers come from the aldol condensation of ketone and/ or aldehyde, which are produced from the secondary reaction of steam cracking.

含氧聚合物主要来自于醛酮的Aldol缩合聚合反应，而裂解气中的醛酮来自于蒸汽裂解制乙烯过程中的二级反应。

Sodium diethyl oxalacetate was prepared by Claisen condensation with acetic and oxalic acid esters.

以乙酸乙酯和草酸二乙酯为原料，经交叉Claisen酯缩合反应合成钠代草酰乙酸乙酯。

This paper studies the influence of free energy on the surface of air coolers on the forms of condensation or frostiness and the performance of air coolers, through theory and experiments.

通过理论分析和实验研究相结合的方法，研究了空气冷却器壁面的表面自由能对凝露或结霜的形态及空冷器工作性能的影响。

In non-protonic solvent, with potassium hydroxide as condensation agent, N-alkylation has been carried out with bromo-n-butane and monoacetylaniline, and a photographic grade N-butyl-N-phenylacetamide has been synthesized.

在非质子溶剂中，以氢氧化钾为缩合剂，用溴代正了烷和苯乙酰胺进行N烃基化，合成了照相级N正丁基N苯乙酰胺。

Ten organotin compounds have been synthesized by acylation and condensation of triphenyltin 4-aminobenzoate with organic anhydrides and aromatic aldehydes.

4-氨基苯甲酸三苯基锡酯与酸酐和醛进行酰化和缩合反应，合成了10个N-三苯基锡基胺羰基苯甲酸和亚胺类化合物。

Since the Chinese novel is fairly long ( 120 chapters ), the need for condensation is keenly felt.

由于这部中文小说篇幅较长 ( 共120回 ), 人们确实感到它有压缩的必要.

An Analysis of Film Condensation Heat Transfer on the Surface of a Vertical Triangular Flute and Tube a New Method for Designing the Tube Length

垂直三角形纵槽管的膜状冷凝传热最大有效管长与管长设计

From the simulated result, gravity had so little effect on flow condensation heat transfer in microtube that it could be neglected.

模拟的结果表明，重力对微圆管流动凝结换热的影响非常小，可被忽略；

The degree of vacuum during condensation is in the order of 10-5 Torr.

凝聚时的真空度为10~（-θ）乇量级。

Effect of inert gas on evaporation and condensation process at high vacuum

惰性气体对高真空蒸发与冷凝过程的影响

Only low-molecular-weight poly ac id can be derived by the direct condensation of lactic acid.

乳酸直接缩聚不能得到高分子量的产物,高分子量的聚乳酸是通过丙交酯的开环聚合获得.