phthalic的例句大全

Phthalic acid ester ( PAEs) is a important compounds of Environmental Estrogens, which will lead physical deformities, endocrinopathy, reproductive harm such as system lesions.

邻苯二甲酸酯类（PAEs）是环境激素类物质中的一类重要化合物，具有致人体肢体畸形、内分泌失调、生殖系统病变等危害。

It was showed that the plant system modification could prolong condensator life and enhance the yield of phthalic anhydride.

结果表明，装置系统改造能提高切换冷凝器的寿命，提高苯酐收率。

Discussion on Adding Partial Condensator in Phthalic Anhydride Plant

苯酐装置采用部分冷凝器的探讨

The flow sheet and operation in phthalic anhydride plant system after the adding partial condensator were introduced.

介绍了苯酐装置系统中增加部分冷凝器的流程，操作讨论了加部分凝冷器前后的经济效益。

Carboxylic crosslinked polystyrene ( PS-COOH) microsphere has been prepared by Friedel-Crafts acylation with phthalic anhydride.

选用邻苯二甲酸酐以傅克酰基化反应制备了聚苯乙烯（PS）羧基化弱酸性离子交换树脂。

In this paper, the catalytic properties of four kinds of zeolite molecular sieves were studied in acylation reaction to synthesize anthraquinone by benzene and phthalic anhydride, the appropriate HM-3 zeolite molecular sieves was selected, on which the modification was studied.

本文研究了四种H-型沸石分子筛在苯与苯酐合成蒽醌的酰基化反应中的催化性能，优选出较适宜的沸石分子筛HM-3，并在此基础上进行改性研究。

Intermittent Addition of Catalyst in Continuous Production of Phthalic Anhydride STUDY ON THE AXLE SEALING OF PUMP USED IN TANNIN EXTRACTS INDUSTRY

连续生产苯酐中不停车加催化剂栲胶泵轴密封的研究&副叶轮动力密封和飞球离心式机械停车密封装置

Application of Steam Trap Type Selection in Energy-Saving Optimal PA ( Phthalic Anhydride) Device

蒸汽疏水阀的选型在苯酐装置节能优化中的应用

chemical analysis of phthalic anhydride. determination of impurities oxidizable in the cold by potassium permanganate.

酞酐的化学分析.用高锰酸钾测定低温氧化杂质的含量

chemical analysis of maleic and phthalic anhydrides. potentiometric determination of free acidity.

马来酐和酞酐的化学分析.游离酸度的电位滴定法

a water dispersive alkyds resin was prepared by using fatty oil, phthalic anhydride, trimellitic anhydride and trimethylolpropane as major materials.

以脂肪油、邻苯二甲酸酐、偏苯三酸酐和三羟甲基丙烷为主要原料合成了水分散性醇酸树脂。

used linseed oil, phthalic anhydride, trimethylolpropane as the row materials, synthesized the resin, then trimellitic anhydride and maleic anhydride modified it to obtain carboxyl in the side chain.

偏苯三酸酐改性醇酸树脂：以亚麻油，苯酐，三羟甲基丙烷和偏苯三酸酐/顺酐为原料，采用酯交换法，合成出侧链具有羧基官能团的醇酸树脂聚合物。

model analysis of capillary gas chromatographic detection condition for phthalic acid esters

邻苯二甲酸酯气相色谱检测条件的建模研究

study on phthalic acid esters of environmental hormone in water in beijing area

北京地区水中邻苯二甲酸酯类环境激素的研究

statistic analysis on distribution of phthalic acid esters in plastic packages

塑料包装物中邻苯二甲酸酯的分布统计分析

research on four phthalic acid esters 'biodegradation and the strains' growth characteristics

邻苯二甲酸酯生物降解性研究4种邻苯二甲酸酯的降解及其降解菌株生长特性的研究

determination of three phthalic acid esters in aquatic products

水产品中3种邻苯二甲酸酯类物质的测定

photodegradation of phthalic acid esters by uv/ tio_2 thin film system

UV/TiO2薄膜体系光降解酞酸酯研究

study on the phthalic acid esters ( paes) blank test of soil

土壤中邻苯二甲酸酯类检测空白研究

distribution characteristics of phthalic acid esters in underground rivers of chongqing typical karst areas

重庆典型岩溶区地下河水体PAEs分布特征研究