二甲酸

The effects of seven lead salts, including PCDS, PDS, NIP, lead 3-nitro-1,2,4-triazol -5-one, lead 2,4-dihydroxybenzoate, lead phthalate and lead carbonate, on the combustion characteristics of the high energy smokeless modified double-base propellant was studied in details.

研究了7种铅盐(PCDS、PDS、NIP、NTO铅、2，4-二羟基苯甲酸铅、苯二甲酸铅、碳酸铅)对高能无烟改性双基推进剂燃烧性能的影响。

"Common plastics include polyethylene terephthalate, or PET, PVC, foamed polystyrene, or Styrofoam, and Lucite."

普通的塑料包括聚对苯二甲酸乙二醇酯或PET、聚氯乙烯、起泡沫的聚苯乙烯、或聚苯乙烯泡沫塑料和卢西特。

"Common plastics include polyethylene terephthalate, or PET, PVC, foam ed polystyrene, or Styro foam, and Lucite."

普通的塑料包括聚对苯二甲酸乙二醇酯或PET、聚氯乙烯、起泡沫的聚苯乙烯、或聚苯乙烯泡沫塑料和卢西特。

To calculate the interactive parameters of DBP and mesitylene, o-ethyl-methylbenzene and 1,2,4-trimethylbenzene, the method of chromatography is used in the paper to measure γ~∞, along with the method of single parameter, to calculate the model parameters of the model of Wilson.

采用色谱法测定C_9各组分在邻苯二甲酸二丁酯中的无限稀释活度系数，结合单参数法模拟计算Wilson模型参数。

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。

PP was taking as basic material,and blended with ethylene propylene rubberby means of melt blending to prepare easy openable infusion bottle-cover materials,in which a certain amount of LDPE and plasticizer was added to improve the compatibility and mechanical properties of the blend.

以聚丙烯为基材，与二元乙丙橡胶用熔融共混的方法，制备易开启式输液瓶外盖用料，并加入一定量的低密度聚乙烯和增塑剂以改善体系相容性和力学性能，讨论了增塑剂邻苯二甲酸二辛酯、乙酰柠檬酸三正丁酯及丙三醇对共混体系力学性能的影响。

In this study,di-n-butyl phthalatewas selected as representative endocrine disruptor and the effects of different materials contained in natural water on the DBP ozonization under diffe- rent conditions were studied.

以邻苯二甲酸二正丁酯为典型内分泌干扰物质的代表物，对饮用水中大量存在的不同物质在不同反应条件下对O3氧化DBP的影响进行了研究。

The toxic effect of DMP on three marine microalage, Dunaliella salina, Pavlova viridis and Phaeodactylum tricornutum is studied by a 96 h acute toxicity experiment, the endurance of the algae to DMP and the interaction between them are discussed as well.

通过96h的急性毒性实验，研究了邻苯二甲酸二甲酯对杜氏盐藻、绿色巴夫藻和三角褐指藻三种海洋微藻的致毒效应，探讨了三种海洋微藻对DMP的耐受性及两者之间的相互作用。

This invention carrying through alcoholysis of common gloss polyester chip, getting low-molecular polymer of polytetramethylene terephthalate, using this low-molecular polymer as pregnant liquor, doing esterification reaction and polycondensation reaction of PTA and hybrid diatomic alcohol in normal pressure, getting the modified copolyester product which has inherent viscosity of 0. 65-0. 85dl/g, fine pellucidity and is suitable in the application of engineering plastics.

本发明是通过对普通大有光聚酯切片进行醇解，得到对苯二甲酸乙二酯低聚物，以此低聚物为母液，在常压下使PTA与混合二元醇进行酯化反应和缩聚反应，制备得到了特性粘数在0.65-0.85dl/g且具有良好透明性的适用于工程塑料领域应用的改性共聚酯产品。

Objective To explore effects of dibutyl Phthalate on the microkemel and sperm cell abnomalities in mice.

目的 了解邻苯二甲酸二丁酯对微核试验和精子畸形试验的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。