查询词典 condensing

As for the dehumidify ing conditions, the condensing rate for the humid air increases with Reynolds number but decreases as the inlet temperature of cold water increases.

同时湿盘管的热传量及除湿率亦也随著冰水入口温度的降低而增加，显热比随著冰水温度的降低而减小。

Place non-condensing steam outlet pipe on dephlegmator bundles, do the adjustment and aiming.

2.7.6 吊装不凝汽出口汇集管到逆流管束上，进行调整和对准。

The preparation method comprises the following steps in sequence:(1) metric acetonitrile is added into a dual-bottleneck distilling flask that is provided with a refluxing and condensing tube, and simultaneously, long-chain dialkyl methyl tertiary amine and relevant saturated dihalide are added thereof;(2) nitrogen is pumped for 10 to 20 minutes for deoxidizing;(3) a magnetic mixing reaction is carried through for 10 to 15 hours under the condition of 78 to 83 DEG C.

其制备方法依次包括以下步骤：(1)在装有回流冷凝管的二颈蒸流烧瓶中，加入计量的乙腈，同时按一定比例加入二长链烷基甲基叔胺与相应的二卤代烷；(2)通氮气10-20分钟，排除氧气；(3)在78-83℃条件下磁力搅拌反应10～15h。

The immense exp ense in condensing the steam made me tense.

凝结蒸汽的巨大开支使我感到紧张。

A process for preparingp-fluo-2-(2-methyl-3-propionyl)-4-oxy-N,3-diphenyl-phenylbutylamide includes such steps as Friedle-Craft acylating of newly prepared phenylacetyl chloride and fluorobenzene under catalysis of AlCl3 to obtain 4-fluoro-phenylbenzyl ketone, brominating at carbonyl alpha position under catalysis of less AlCl3 to obtain alpha-bromo-4-fluo-phenylbenzyl ketone, and condensing with isobutyryl acetanilide under action of sodium ethoxide.

本发明涉及一种制备对氟－2－(2－甲基－3－氧丙基)－4－氧－N，3－二苯基－苯丁酰胺(1)的方法，其包括以下步骤：新制的苯乙酰氯与氟苯在AlCl3催化下进行Friedle－Craft酰化反应，得到对4－氟－苯基苄基酮(4)；化合物(4)在少量AlCl3催化下进行羰基α位溴化，得到α－溴－4－氟－苯基苄基酮(5)；然后(3)异丁酰乙酰苯胺在乙醇钠作用下与化合物(5)进行缩合。

2A series of alternating polyamide-imideswith fluorenyl cardo structure was synthesized by "one-pot" polycondensation of cardo diamines,trimellitic anhydride and various aromatic diamines including p-phenylene diamine,m-phenylene diamine, 4,4\'-oxydianiline,3,4\'-oxydianiline,2,2-bis[4-(4-aminophenoxy)phenyl]propane, 2,2-bis[4-(3-aminophenoxy)phenyl]propane respectively using triphenyl phosphite as condensing agents.

采用&一锅法&(One—pot Synthesis)，由Cardo二胺、偏苯三酸酐和不同二胺包括对苯二胺、间苯二胺、4，4\'—二氨基二苯醚、3，4\'—二氨基二苯醚、2，2—双[4—(4—氨基苯氧基苯基]丙烷和2，2—双[4—(3—氨基苯氧基)苯基]丙烷合成了一系列含有芴基Cardo结构的交替聚酰胺酰亚胺。

2A series of alternating polyamide-imideswith fluorenyl cardo structure was synthesized by "one-pot" polycondensation of cardo diamines,trimellitic anhydride and various aromatic diamines including p-phenylene diamine,m-phenylene diamine, 4,4\'-oxydianiline,3,4\'-oxydianiline,2,2-bis[4-(4-aminophenoxy)phenyl]propane, 2,2-bis[4-(3-aminophenoxy)phenyl]propane respectively using triphenyl phosphite as condensing agents.

采用&一锅法&O(来源：88AB57C论文网www.abclunwen.comne—pot Synthesis，由Cardo二胺、偏苯三酸酐和不同二胺包括对苯二胺、间苯二胺、4，4\'—二氨基二苯醚、3，4\'—二氨基二苯醚、2，2—双[4—(4—氨基苯氧基苯基]丙烷和2，2—双[4—(3—氨基苯氧基)苯基]丙烷合成了一系列含有芴基Cardo结构的交替聚酰胺酰亚胺。

Many industries use helically and spirally coiled heat exchanger tubes for single-phase, evaporating, and condensing flows.

在很多工业领域中，螺旋管式热交换器都得到广泛的应用，它可适用于单相流体、蒸汽以及可压缩流体的流动。

Project Introduction: Trichlorosilane, also named Silicochloroform ,is mainly used in the synthesis of organic silicone, alkyl, aryl and organic functional group chlorosilane. It's the most basic monomer of the organic silane coupling agent,and the production material for semiconductor silicon and silicon; Manufacturing process of the tetrachlorosilane includes the reciprocal effect by the trichlorosilane steam and the hydric steam which has been heated up to 1700-2500SiCK by the plasma accelerator; the steam compound in the reactor goes into the condensing system that separates trichlorosilane. After that, polycrystalline silicon can be made.

三、项目概况：三氯氢硅：又名三氯硅烷、硅氯仿，主要用于有机硅烷和烷基、芳基以及有机官能团氯硅烷的合成，是有机硅烷偶联剂中最基本的单体，也是生产半导体硅、单晶硅的原料；四氯氢硅工艺包括在等离子加速器内加热到1700-2500SiCK的氢气流和四氯氢硅的蒸汽相互作用，在反应器内形成的蒸汽气体混合物进入分离三氯氢硅的冷凝系统，下步可制取多晶硅。

FGFR4 expression was faint in renal vesicle and primitive tubules of S-shaped body, irrecognizable in urteric bud and podocyte of C-stage, negative in mesenchyme and condensing mesenchyme.

胚胎肾发生带内FGFR4表达微弱，肾囊泡和S型小体的上支和中间支，即原始肾小管上皮细胞部位有微弱表达，间充质、压缩间充质未见表达，输尿管芽及其末端壶腹和C-期足细胞表达不明显。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。