查询词典 terephthalic

Objective To study the changes of urinary ions and enzymes in workers exposed to terephthalic acid.

目的 探讨对苯二甲酸作业人群尿酶和尿液离子水平的变化。

The results of the purified terephthalic acid processing wastewater toxicity will be reported in this paper.

本文报道精对苯二甲酸生产废水生物毒性的研究结果。

The quality and quantity of purified terephthalic acidwastewater and its treatment situation in China mainland are presented.

介绍了PTA废水的水质、水量特点和国内PTA生产企业废水处理现状

The research points to a new direction for improving the hydropurification catalyst of crude terephthalic acid.

研究结果可为粗对苯二甲酸加氢精制催化剂的研究提供一个新的方向。

The present world market of pure terephthalic acid is reviewed.

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。

Concentration of terephthalic acid was determined by high-performance liquid-phase chromatography.

通过特制的取样装置取样后用高效液相色谱测定对苯二甲酸的溶解度。

The proposed method has been applied to the direct determination of zirconium in terephthalic acid .

方法用于对苯二甲酸样品中锆的测定，结果与4，5-二溴苯基荧光酮法一致，相对标准偏差为1.6%~2.5%，标准加入回收率为

Purified terephthalic acid, one of the main raw materials of polyester, is produced by p-xylene liquid phase oxidation.

精对苯二甲酸是聚酯工业的主要原料，目前主要采用对二甲苯空气氧化法生产。

The experimental study on the treatment of terephthalic acid industrial wastewater by heterogeneous catalytic oxidation has been carried on.

采用非均相催化氧化法处理对苯二甲酸工业废水，研究了反应时间、氧化剂投加量、废水pH和废水起始浓度对CODCr去除率的影响。

Is a joint venture of BP 85% and Zhuhai Fuhua Group 15% BPZ manufactures Purified Terephthalic Acid.

BP 公司是世界闻名石油、石化和能源集团之一，位居全球500强的前10位，在全球六大洲100多个国家都有业务。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。