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In order to give sufficient data support for the design of terephthalic acid manufacture, corresponding phase equilibria, including solid-liquid equilibrium and vapor-liquid equilibrium, have been determined and studied.Improvements have been made on our former apparatus, which was used for the measurement of solid solubility, for the purpose of getting more precise experimental data in the range of lower solubility. Horizontal stir was changed to magnetic whirly one, which shortened the dissolving time remarkably.

对苯二甲酸生产中相关相平衡的测定与研究学院:化工学院专业:化学工艺指导教师:马沛生教授六级英语证书:有研究生:陈明鸣,于1997年4月在天津大学获工学硕士学位为了给设计单位提供有关对苯二甲酸生产中的相平衡数据,本文着重实验测定并以数学模型描述了以下两方面内容:TA和TA生产中的主要杂质在相关溶剂中的固液平衡,以及对二甲苯氧化反应器的溶剂体系醋酸-PX的汽液平衡。

At zygotene,t he SC formation initiated at multiple sites in each bivalent but the regions nea r telomeres were preferred.SCs were shortened with development of SCs.Initiation of new SC and extension of existing SC occured simultaneously,and pairing in di fferent bivalents of a nucleus was not synchronised.

结果表明,小麦SC以多点式起始方式于偶线期开始形成;随SC的发育,新的SC形成和已有SC片断的延伸并存;此外,在同一核内不同二价体之间,染色体配对和SC形成并不同步;SC成熟于粗线期,而以破碎方式解体,消失于双线期。

Plants 5–12 cm. Taproot stout, 5–23 cm. Stem shortened, plants usually acaulous.

植株5-12 厘米。直根坚固,缩短,通常植株的5-23 厘米茎。

The anther was shriveled, dwindled to be acerate shape and fade, and the length of filament was shortened. There was no pollen or only shrunken, malformed and aborted pollen.

油菜花药皱缩干秕呈针状、颜色变浅、花丝缩短,花药无花粉或为空秕、畸形的败育花粉。

This scenario is a shortened version of that which is outlined in the Alcor Foundation's publicity material.

上述情景在奥而科基金会宣传资料中就有简介,只是更简短了些。

The yield was 84%. With OP-10, NPE as the the catalyzer for the diazo reaction, the use of hydrolyzed propenenitrile instead of propenoic acid, and OP-10 as the catalyzers of the aminate reaction, these experiments showed the feasibility of industralization, due to the much reduced costs, shortened reaction time and a higher yield.

采用壬基酚聚氧乙烯醚(OP-10)、萘磺酸甲醛缩合物作重氮化反应催化剂,丙烯腈加成、水解替代丙烯酸,OP-10做氨化反应催化剂,通过四因子三水平正交试验法实验,得到较佳反应参数,反应时间、收率、成本都大大降低,适宜工业化生产。

This section covers the optimum com bination of shortened process padding, washing and steaming units, innovative st ructures of high feeding apparatus, combined steamer and high-efficiency washing mechanism, as well as measures for crease prevention during .

本文介绍了短流程轧、洗、蒸单元的优化组合;分析了高给液装置、组合汽蒸箱的新颖结构;阐述了高效水洗的机理和防止湿加工织物起皱的对策;并推荐冷轧堆碱氧一浴工艺、酶处理三步两流程设备的工艺流

Cauliflower curd is composed structurally of a number of the shortened branchy shoots on which there are tremendous amount of naked apical meristems.

这些器官是在个体发育中,由于茎顶端分生组织发育方向的改变而分化出的不同变态器官。

Such a masterful symbol for empty talk could not be ignored by the speakers of the language, and Buncombe, actually spelled Bunkum in its first recorded appearance in 1828 and later shortened to bunk, became synonymous with claptrap.

Buncombe 实际上在1828年第一次被记载时拼作 Bunkum ,后来缩写成Bunk 并成为 claptrap 的同义词。

Methods and Results:the method of rat heterotopic heart transplantation was modified in preparation of recipient ,the way of donor cardiectomy and vessel anastomosis based on Ono method.The duration of procedure and the myocardial ischemic duration were shortened.The anastomotic hemorrhage rate and stricture rate were reduced .

方法和结果:以Ono法为基础,在供心的切取、受体腹腔血管的准备、心肌保护以及血管吻合方面进行了改进,缩短了手术操作时间,减少了术后出血和吻合口狭窄的发生率。

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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了

The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.

世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。