二甲酸

Disposable plastic products are convenient to people in daily life,which simultaneously are the main pollutant source of phthalates.

一次性塑料制品的频繁使用给人们的生活提供了便利，但同时也成为邻苯二甲酸酯类环境激素重要的污染源。

Phthalates can cause reproductive difficulties, liver problems and increased risk of cancer .

邻苯二甲酸就有可能造成生育困难，肝脏疾病和增加了患癌症的风险。

Scientists said the study has uncovered a new problem that could be related to phthalates - effects on a child's developing brain.

科学家们认为，这项研究还发现了一个新的问题，邻苯二甲酸酯可能对儿童的大脑发育产生影响。

BornFree products are 100% Free of BPA, Phthalates and PVC and are the safe and smart choicefor you and your baby.

BornFree 的产品都是100%不含BPA，邻苯二甲酸盐和聚氯乙烯，是对您和您的宝宝安全和聪明的选择。

The mothers were tested for phthalates during pregnancy, the most sensitive time for a child's brain development.

对这些母亲还进行了怀孕期间邻苯二甲酸酯调查，因为此阶段正是孩子大脑发育的最敏感阶段。

In esterification of 2,6-NDA obtained from Henkel reaction of 1,8-naphthalenedicarboanhydride catalyzed non-cadmium catalyst zinc carbonate, the effect of process parameters like esterification catalyst and its amount used, reaction temperature and time, and methanol/anhydride molar ration, etc, was investigated.

在碳酸锌催化和二氧化碳气氛中1，8-萘二甲酸酐于300～340℃反应3～4小时，可以较高收率地获得2，6-萘二甲酸粗品，收率达到62％，该产物可以直接用于合成双酯的酯化反应中。

It should be emphasized that the domestic PTA process design fully adopted the mature industrial technology, in which the structure similar to bobble tower oxidation reactor has been being successfully operated for many years in the industry and has undergone industrial experiments and inspections under various conditions in the process of advancement; the tail gas treatment unit has absorbed Mitsubishi chemical's technologies and the paste treatment unit Amoco's technologies.

需要强调的是，国产对苯二甲酸工艺的设计，采用的都是成熟的工业技术，其中与鼓泡塔氧化反应器类似的结构已经在工业上成功运行多年，在开发过程中又经过多种条件下的工业试验检验；尾气处理单元借鉴的主要是三井工艺、浆料处理单元主要借鉴了Amoco工艺。

Checked refrigeration machine interior of 6 kinds of crucial material vent one's anger characteristic, its basically vent its anger composition is benzene of water, adjacent hydrocarbon of ester of 2 formic acid, alkyl.

测试了制冷机内部6种关键材料的出气特性，其主要出气成分为水、邻苯二甲酸酯、烷烃等。

The project products meet the national industrial policy, which are widely used in chemical industry, printing and dyeing, chemical, pharmaceutical, textile and food industries, which mainly used to produce vinyl acetate, terephthalic acid as solvent.

本项目产品符合国家产业政策，它广泛用于化工、印染、化肥、医药、纺织和食品等工业部门，它主要用途是生产醋酸乙烯，为苯二甲酸作溶剂。

The paper summarizes the environmental hormone behavior,source and exist in g 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。

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。