a colorless acid used to make dyes and perfumes

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。

phthalic acid monoaniline salt;

苯胺邻苯二甲酸盐；

in this article, the monitoring method of phthalic acid ester in air was established by gas chromatography.

本文通过气相色谱法建立了大气中邻苯二甲酸酯的监测方法。

the paper summarizes the environmental hormone behavior, source and existing situation of phthalic acid ester pollutants in air, water, organism and sediment.

该文叙述了环境中邻苯二甲酸酯类污染物的环境激素行为、来源及在环境空气、水体、生物、底质中的存在情况。

phthalic acid esters (paes) are a class of refractory poisonous deleterious organic compounds.

邻苯二甲酸酯是一类难降解的有毒有害的有机化合物。

in the studied phthalic acid esters compounds, the occupied proportions of di(2-ethylhexyl) phthalate(dehp) and din-butyl phthalate(dbp) were higher relatively.

邻苯二甲酸双（2-乙基己基）酯（dehp）和邻苯二甲酸二丁酯（dbp）所占比例相对较大。

allelopathy of phthalic acid and propanedioic acid of root exudations of soybean on pathogenic fungi producing by root rot was studied by indoors culture experiments and statistical method.

采用室内培养和统计分析相结合的方法研究了大豆根分泌物中的邻苯二甲酸和丙二酸对根腐病病原菌的化感作用。

the condensation reaction takes place between the two hydroxyl of phthalic acid, and the phthalic acid be converted into phthalic anhydride finally.

邻苯二甲酸的两个羧基上的羟基会发生缩水反应，最终生成邻苯二甲酸酐。

compared with the single electrochemical oxidation, the removal rate to phenol, phthalic acid and phenylformic acid within the same time is improved by 79 to 96 percent.

与单纯电化学氧化相比，在相同时间内对苯酚、邻苯二甲酸和苯甲酸的去除率提高了79％-96％。

results 22 compounds were identified and was 99% of the total peak area, in which, the phthalic acid mono-(2-ethylhexyl) ester was 87%.

结果共鑒定了22个成分，占总峰面积的99%，而其中邻苯二甲酸乙基己基酯占87%。

phthalic acid ester two and two are sensitive to light, not long-term see light;

邻苯二甲酸二甲酯对光敏感，不宜长期见光；

phthalic acid ester is a kind of plastication material, as time goes on, it will transfer from plastics to external environment, and now it becomes a widespread global environmental pollutant.

酞酸酯是一种增塑剂，随着时间的推移，可由塑料中转移到外环境，现已成为地球上最为广泛存在的环境污染物。

benzyl butyl phthalate; phthalic acid benzyl butyl ester;

芐基正丁基邻苯二甲酸酯；