| 释义 |
terephthalic 英'teref'θælɪk美'teref'θælɪk BNC⁷⁵⁶³³
基本例句
=terephthalic acid化对苯二酸; 对酞酸¹⁰⁰
Purified terephthalic acid PTA, produced mainly by the method of air oxidation of xylene, is a raw material for the polyester industry.
精对苯二甲酸是聚酯工业的原料，主要采用对二甲苯空气氧化法生产。 iciba
The Effects of cobalt and manganese on the activity of anaerobic sludge in the treatment of waste water from the production of purified terephthalic acid PTA were studied.
研究了钴、锰对生产精对苯二甲酸 PTA的废水处理中厌氧污泥活性的影响。 dictall
The batch polymerization from purified terephthalic acid PTA was emphasized. The technology status of CDP synthesis from PTA was summarized.
重点介绍了对苯二甲酸 PTA路线间歇聚合 CDP工艺技术。 cnki
The content of metals in several different substandard goods terephthalic acid PTAare determined by inductively coupled plasma- atomic emission spectrometry ICP- AES with a microwave digestion method.
采用微波消解法处理样品，用电感耦合等离子体原子发射光谱 ICP- AES测定了几种不同级别的副品对苯二甲酸 PTA的金属含量。 dictall
The method of high performance liquid chromatography was used for separation and determination of terephthalic acid.
发酵液中对苯二甲酸及中间产物采用高效液相色谱法测定。 cnki
The operation condition of indigenous palladium-carbon catalyst was analyzed, two batches of the catalysts used in purified terephthalic acid PTA unit sequentially.
分析了中国石油化工股份有限公司天津分公司精对苯二甲酸 PTA装置先后采用的两批国产钯碳催化剂使用状况。 dictall
The productive methods of terephthalic acid are reviewed in this paper. In the view of present situation of PTA production in our country, some suggestions on PTA production are given.
本文概述了对苯二甲酸生产方法，结合我国 PTA生产现状，对国内 PTA发展，提出了一些建议。 chemyq
The total concentrations of terephthalic acid and phthalic acid were higher in summer and winter, but lower in spring and autumn.
对苯二甲酸和邻苯二甲酸的质量浓度之和在夏、冬季较高，春、秋季较低。 fabiao
The present world market of pure terephthalic acid is reviewed. An analysis and projection on the production, import and export, and consumption of China's pure terephthalic acid are given.
介绍了精对苯二甲酸国外市场情况，对国内精对苯二甲酸的生产、进出口和消费做了分析和预测。 cnki
To analyze current situation and development of supply and demand of polyester, terephthalic acid, ethylene glycol, and xylene.
分析我国聚酯及聚酯原料对苯二甲酸、乙二醇、对二甲苯的生产和需求的现状及发展趋势。 chemyq
A series of aromatic copolyesters of different compositions with bisphenol A diacetate, terephthalic acid and isophthalic acid as raw materials were prepared by means of melting polycondensation.
作者以双酚 A二乙酸酯、对苯二甲酸和间苯二甲酸为原料，用熔融缩聚的方法制备了一系列组成不同的芳香族共聚酯。 cnki
A reversed phase high performance liquid chromatography method for separation and determination of4-carboxybenzaldehyde4- CBA and p- toluic acid PT acid in terephthalic acid PTA was described.
建立了反相液相色谱法定量分析对苯二甲酸 PTA中的对羧基苯甲醛4- CBA和对甲基苯甲酸 PT酸含量的方法。 dictall
An ionic exchange high performance liquid chromatographyHPLC method for determination of trace impurities in terephthalic acid was developed.
用离子交换高效液相色谱法分析对苯二甲酸中的微量杂质，并对该方法进行了系统的优化。 magsci
By analysis of the production of polyethylene terephthalate PET, the adjustment and effect of esterification process using purified terephthalic acid PTA purchased outside were discussed.
通过对聚对苯二甲酸乙二醇酯 PET生产的分析，论述了当使用外购精对苯二甲酸 PTA时，酯化工艺的调整及效果。 chemyq
For resolving the lack of solubility data terephthalic acid in aqueous acetic acid, a method of determining the solubility at high temperature was developed.
针对对苯二甲酸工业中的溶解度基础数据缺乏的问题，提出了一种测定高温下对苯二甲酸在醋酸水溶液中的溶解度的方法。 cnki
For outdoor use, the B part composition is preferably free of tertiary hydrogens, ether glycols and terephthalic acid residues.
对于户外用途，该组合物 B优选不含叔氢、醚二醇和对苯二甲酸残基。 patenta4
From economical and environmental points of view, the development of a new oxidation system, which overcomes these disadvantages for the production of terephthalic acid, is desired.
从经济和环境的角度来看，都需要开发一种新的氧化体系来克服对苯二甲酸生产工艺的缺点。 fabiao
It is oxidized to form terephthalic acid for polyester resins and fibers.
它可氧化生成对苯二甲酸用于生产聚酯树脂和纤维。 www.infopetro.com.cn
Medium- purified terephthalic acid MTA was used instead of PTA to synthesize PET. The effect of MTA amount on polymerization reaction and PET chip quality was discussed.
用中纯度对苯二甲酸 MTA代替 PTA合成 PET，探讨了不同 MTA含量对 PET聚合反应及切片质量的影响。 cnki
Objective To explore the changes in urine levels of ions in workers exposed to terephthalic acid TPA.
探讨对苯二甲酸 TPA作业人群尿液离子水平的变化。 cnki
Objective To study the changes of urinary ions and enzymes in workers exposed to terephthalic acid TPA.
目的探讨对苯二甲酸 TPA 作业人群尿酶和尿液离子水平的变化。 cnki
Objective To study the pathological molecular mechanism of terephthalic acid TPA-induced urinary bladder cancer.
目的研究对苯二甲酸 TPA诱导大鼠膀胱肿瘤的分子病理学改变。 cnki
Para-xylene PX is the raw material of the polyester industry for manufacturing terephthalic.
对二甲苯 PX主要用于制取对苯二甲酸，是聚酯工业的主要原料。 cnki
Purified terephthalic acid PTA, one of the most important feedstocks of polyester, is produced by p-xylene PX liquid phase oxidation.
精对苯二甲酸 PTA是聚酯工业的主要原料，目前主要采用对二甲苯 PX空气液相氧化法生产。 cnki
This paper discusses the research progress on the toxicity of terephthalic acid to different organisms at various life levels.
本文主要阐述了对苯二甲酸在各级生物水平上对不同生命体的毒性研究进展。 cnki
Terephthalic acid is a common organic pollutant which is poisonous and toxic to organism to some extent.
对苯二甲酸是常见的、对生物具有一定毒害性的有机污染物。 chemyq |