邻苯二甲酸

The binary and ternary experimental equilibrium data of the composites of mesitylene,1-methyl-2-ethylbenzene and 1,2,4-trimethylbenzene and the infinite activity coefficients γ~∞ are measured in the solvent of DBP .

以邻苯二甲酸二丁酯为萃取精馏溶剂，测定了邻甲乙苯—均三甲苯—偏三甲苯体系的二元及三元汽液平衡数据；编程关联了W ilson模型参数；采用物料平衡三对角矩阵法对萃取精馏过程进行了模拟，得出了萃取精馏塔的最佳操作条件，为萃取精馏法生产均三甲苯提供了基础数据。

ABAS could be decolored by extracellular composite enzymes secreted by Zoogloea HP3. The degradation place of o-pathalic acid was in-cell. Compared with the degradation of o-pathalic acid, the decoloring of ABAS controlled the degradation of ABAS.

动胶菌HP3分泌的胞外组成酶可使溴胺酸脱色，溴胺酸降解中间产物邻苯二甲酸的降解场所在胞内；与邻苯二甲酸的降解相比，溴胺酸的脱色是反应的控制步骤。

N-(6-methyl-2-pyridine)-amino-methylene-diethyl malonate was produced by condensation reaction of 2-amino-6-methyl pyridine with ethoxymethylene diethyl malonate under optimal conditions that n(2-amino-6-methyl pyridine)∶n(ethoxymethylene diethyl malonate) is 1∶1.3, reacting time 45 min and temperature 130 ℃,the yield of this reaction was 96%,which was 6% higher than that of literature.

在250℃的反应温度下，分别以二苯醚、石蜡油和邻苯二甲酸二乙酯为热载体进行成环反应，得到4-氧-7-甲基-1，8-萘啶-3-羧酸乙酯的收率分别为88.6%、56.3%和61.2%，确定二苯醚为最佳热载体，并发现反应温度对产率的影响最大，原料配比次之，反应时间基本无影响。

The measuring of conductivity of the copolymers also indicates that addition of phthalie acid did not destroy the conjugation system of homopolymer of propargyl alcohol.

产物电导率的测量亦说明邻苯二甲酸的加入，并没有破坏聚丙炔醇的共轭体系，但共聚物的电导牢随邻苯二甲酸的含量增加而略有降低。

Three plasticizers were used: namely dioctyl phthalate, di n butyl phthalate and di(-2-ethyl-hexyl)sebacate.

研究中采用的增塑剂为邻苯二甲酸二辛酯、邻苯二甲酸二正丁酯和癸二酸二辛酯。

Bis (2-ethylhexyl) phthalate and dibutyl phthalate were obtained from Angelica sinensis for the first time.

结论邻苯二甲酸-2-乙基己酯和邻苯二甲酸二丁酯为首次从当归中获得。

Underoptimal conditions, in toluene / dimethyl phthalate / TBP, after EAHQ was oxidizedwith 〓, then the catalyst and styrene were added, the conversion of styrene basedon EAHQ is 68%, the selectivity for styrene oxide based on styrene is 92% and theTON of the catalyst is 500; in toluene / phenyl ether / TBP, epoxidation of styrenewas performed with 〓 generated in situ, the conversion is 46%, the selectivity is94% and the product can be separated by distillation under reduced pressure.

优化条件下，甲苯／邻苯二甲酸二甲酯／TBP(2／2／1，体积比)中，EAHQ先用〓氧化完全后，再加入催化剂A和苯乙烯进行环氧化反应苯乙烯相对于EAHQ的转化率为68％，生成环氧苯乙烷的选择性为92％，催化剂A的TON达到500；甲苯／二苯醚／TBP(1／3／1，体积比)中，原位生成〓条件下苯乙烯相对于EAHQ的转化率为46％，生成环氧苯乙烷的选择性为94％，产物可通过减压蒸馏分离。

Phthalic Acid Esters,a Kind of important industrial materials are used in many industries,such as plastic,painting,rubber.pesticide,cosmetic,etc.In recent years,researches indicated PAEs exhibit their properties as that of hormenes,have been called environmental hormene and cause environmental problems all over the world.

邻苯二甲酸酯作为一类重要的工业原料，被广泛用于塑料、油漆、橡胶、农药、化妆品等行业，近年的研究表明邻苯二甲酸酯具有环境激素的作用，由此引起的环境问题得到世界的普遍关注。

Series of ternary and quadruple doping complexes of europium with benzoic acid ,p-aminobenzoic acid,phthalic acid , m-phthalic acid, and 1,10-phenanthroline were synthesized.

合成了铕与以苯甲酸、对氨基苯甲酸、对硝基苯甲酸、邻苯二甲酸和间苯二甲酸等为第一配体，邻菲咯啉为第二配体的掺杂配合物。

Compare the obtained GC-MS spectra to known spectra or phthalate ester standards to allow qualitative identification of phthalate ester plasticisers or any other compounds.

对测得的GC-MS图谱与已知的图谱或邻苯二甲酸酯类的标准图谱进行比较，得到该邻苯二甲酸酯类增塑剂或其他化合物的定性确定。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。