两岁幼儿吸收（防腐剂）对羟基苯甲酸丙酯和对羟基苯甲酸丁酯类防腐剂的数量可能会产生类雌激素风险，导致内分泌系统障碍。
The amounts that two-year-olds absorb from the [preservative] parabens propylparaben and butylparaben can constitute a risk for oestrogen-like disruptions of the endocrine system.
上述条件下，对羟基苯甲酸乙酯的产率为87.5%，对羟基苯甲酸丙酯的产率为89.2%，对羟基苯甲酸丁酯的产率为91.1%。
Under these conditions, yields of 87.5%, 89.2%and 91.1%can be reached for the ethyl ester, propyl ester, and butyl ester, respectively.
上述条件下，对羟基苯甲酸乙酯的产率为87.5%，对羟基苯甲酸丙酯的产率为89.2%，对羟基苯甲酸丁酯的产率为91.1%。
Under these conditions, yields of 87.5%, 89.2%and 91.1%can be reached for the ethyl ester, propyl est...
目的研究邻苯二甲酸二丁酯对果蝇生育力和寿命的毒性作用。
Objective To study the effects of din-butyl phthalate on the fecundity and the life span in drosophila melanogaster.
苯二甲酸正丁酯常用于指甲油，它可能会造成皮肤刺激。
Dibutyl phthalate is found in nail polish and may cause skin irritation.
热塑性聚酯树脂是以聚对苯二甲酸丁二酯（PBT）聚化物为主基料的半结晶材料。
Thermoplastic polyester resin is polyethylene terephthalate (PBT) compounds based binder polymer semi-crystalline materials.
一个无加强，低粘度聚对苯二甲酸丁二醇酯的注塑成型。它具有很高的流动特性，并特别适合于超快速生产。
An unreinforced, low viscosity polybutylene terephthalate for injection molding. It has high flow characteristics and is specifically suitable for super fast production.
目的研究固定化微生物降解环境内分泌干扰物邻苯二甲酸二丁酯（DBP）的生物特性。
Objective To study the biodegradation characteristics of immobilized microorganism on endocrine disruptor din-butyl Phthalate(DBP).
无加强，中高粘度聚对苯二甲酸丁二酯树脂的挤出和注塑成型。
Unreinforced, medium high viscosity polybutylene terephthalate resin for extrusion and injection molding.
而邻苯二甲酸二丁酯虽然是一种很少见的原料，但仍然在使用。
Dibutyl Phthalate is a more rare ingredient, but still used also.
无加强，超级强韧，黑色聚对苯二甲酸丁二酯树脂注塑。
Unreinforced, Super Tough, black polybutylene terephthalate resin for injection molding.
无加强，低粘度，黑色聚对苯二甲酸丁二酯树脂注塑成型。
Unreinforced, low viscosity, black polybutylene terephthalate resin for injection molding.
采用胶束毛细管电泳法，在分离水中5种邻苯二甲酸酯的基础上，对化工废水中邻苯二甲酸二丁酯进行了直接测定。
With micelle capillary electrophoresis, this article directly determined the Dinbutylphthalate in chemical waster-water based on separating 5 kinds of phthalate of the water.
以硫酸铁为催化剂，合成了邻苯二甲酸二正丁酯。
In this paper dibutyl phthalate was synthesized with ferric sulphate as catalyst.
无加强，核，介质粘度，聚对苯二甲酸丁二酯树脂的快速注塑成型。
Unreinforced, nucleated, medium viscosity polybutylene terephthalate resin for fast injection molding.
无加强，核，介质粘度，黑色的聚对苯二甲酸丁二酯树脂的快速注塑成型。
Unreinforced, nucleated, medium viscosity, black polybutylene terephthalate resin for fast injection molding.
以间甲基苯甲酸和二甘醇为原料，钛酸四丁酯为催化剂合成了二乙二醇二间甲基苯甲酸酯。
Diethylene glycol binary m-methyl benzoate was synthesized with diethylene glycol and m-methyl benzoic acid in the presence of tetrabutyl titanate.
无加强，中等粘度，黑色的聚对苯二甲酸丁二酯树脂注塑成型。
Unreinforced, medium viscosity, black polybutylene terephthalate resin for injection molding.
孕妇需要特别注意避免使用邻苯二甲酸二丁酯，因为它已经被证明会损害到男性胎儿的成长。
Pregnant women should be especially careful to avoid the use of dibutyl phthalate because it has been shown to harm a developing male fetus.
研究了过氧化苯甲酸叔丁酯合成废水中苯甲酸的回收方法。
Methods of recycling benzoic acid was studied from wastewater of preparing peroxide of tert-butyl benzoate.
邻苯二甲酸二丁酯(DBP)广泛存在于环境中，具有一定的生殖发育毒性。
Dibutyl phthalate (DBP) has been found as a ubiquitous environmental pollutant with reproductive and developmental toxicity.
将面粉悬浮于含有邻苯二甲酸二丁酯的琼脂胶体中而制成悬浮液。
The wheat flour was suspended in AGAR sol containing dibutyl phthalate and made into suspension.
聚对苯二甲酸丁二醇酯（PBT）是一种性能优良的热塑性工程塑料，它与PPO、PC、POM和PA共称为五大通用工程塑料。
PBT is a thermoplastic engineering plastic with good properties, it is called the five general engineering plastic with PPO, PC, POM and PA.
以邻苯二甲酸二丁酯为内标物，测定了DCPCP对内标物的相对质量校正因子。
The dibutyl o phthalate was used as internal standard and the relative mass correction factor of DCPCP was determined.
通过急性经口毒性试验测定了己二酸聚1,2 -丙二醇酯和邻苯二甲酸聚1,3 -丁二醇酯的毒性。
The toxicity of poly 1, 2-propylene adipate and poly 1, 3-butylene phthalate were determined by the acute toxicity tests.
以对甲苯磺酸为催化剂，对二甲氨基苯甲酸和异丁醇为原料合成对二甲氨基苯甲酸异丁酯。
Isobutyl p-(dimethylamino) benzoate was synthesized by the esterification ofp-(dimethylamino)-benzoic acid with isobutanol using p-toluene sulfonic acid as the catalyst.
聚对苯二甲酸丁二醇酯（PBT）作为五大通用工程塑料之一，其应用领域非常广泛。
Poly(butylenes terephthalate) (PBT) is one of the five important engineering plastics, which had been used widely in many fields.
着重讨论了DBP(邻苯二甲酸二丁酯)生产过程中，丁醇分子间脱水生成丁醚的副反应机理及危害，并找出了预防副反应发生的措施。
Discusses the mechanism and harmfulness of undesired formation of butyl ether by inter-molecular dehydration of n-butanol during DBP production. Preventive measures are also provided.
利用锆基催化剂合成邻苯二甲酸正丁酯，确定了反应条件。
Dibutylphthalate has been synthesized with zirconium base catalyst, and the suitable conditions of reaction have been determined.
利用锆基催化剂合成邻苯二甲酸正丁酯，确定了反应条件。
Dibutylphthalate has been synthesized with zirconium base catalyst, and the suitable conditions of reaction have been determined.
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