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.
雌激素样物质：包括已知的化学物质对羟苯甲酸酯在内，常用于制作化妆品、防晒霜和保湿露。
Oestrogen-like substances, including chemicals known as parabens, occur in cosmetics, sun creams and moisturising lotions.
结果对硝基苯甲酸乙酯收率达98%，硫酸氢钠绝大部分以固体形式存在。
Results: the yield was over 98%, and most of the sodium bisulfate was in the solid form.
观察到使用苯甲酸苄酯洗液或氯菊酯的治疗妇女和对照组的妊娠结局没有显著差异。
No significant differences in pregnancy outcomes were observed between women treated with either BBL or permethrin and their matched controls.
上述条件下，苯甲酸异戊酯的产率可达83 3%。
Under this conditions, the yield of iso amyl benzoate reached 83.3%.
最近的媒体报道，一批来自上海零度可乐原液中含有“对羟基苯甲酸甲酯”防腐剂，引发了大家对饮料安全性的关注。
Recent media reports that a batch of Coke Zero concentrate from Shanghai contained the banned preservative methyl-p-hydroxybenzoate sparked concern about the safety of beverages.
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.
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.
上述条件下，苯甲酸丙酯的产率可达70.5%。
Under this conditions, the yield of propyl benzoate reached 70.5%.
本文报道了相转移催化条件下异成烯基苯甲酸酯的合成。
Synthesis of prenyl benzoate under phase transfer catalysis was reported.
它主要由苯甲酰氯和苯酚制备苯甲酸苯酯，然后重排、醚化所得。
It is based on phenol benzoate which is made from benzoyl chloride and phenol through rearrangement and etherification.
通过与苯甲酸和山梨酸比较，说明尼泊金酯具有良好的市场和发展前景。
Compared with benzoic acid and sorbic acid, Nipagin has a good market and development prospects.
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.
介绍了用苯甲酸改性的含羟基醇酸树脂和甲苯二异氰酸酯（TDI）预聚物的合成工艺，以及由二者制成醇酸型聚氨酯涂料的方法；
The synthetic process of a prepolymer based on benzoic acid modified hydroxyl alkyd resin and toluene diisocyanate (TDI) prepolymer and the coatings made from this prepolymer has been described.
该法简单、快速、准确，可用于饼干、月饼等焙烤食品中糖精钠、富马酸二甲酯、苯甲酸和山梨酸的日常检测。
The method is simple, efficient and accurate, and suitable for routine analysis of saccharine sodium, dimethyl fumarate, benzoic acid, and sorbic acid in baked food such as biscuits and moon cakes.
氯化亚砜滴加到邻氯苯甲酸和乙醇混合物中，反应生成邻氯苯甲酸乙酯。
Thionylchloride was added to a solution consisting of ethanol and o-chlorobenzoic acid to affore o-chlorobenzoic ester.
在适宜的反应条件下，对羟基苯甲酸壳聚糖酯酯化度可达130%、得率80%以上。
Under optimum reaction conditions, esterification degree of para-hydroxybenzoate chitosan ester was 130%, and yield reached 80%.
以维生素C为催化剂， 对羟基苯甲酸和十六醇及十八醇为原料合成尼泊金十六酯与尼泊金十八酯。
Nipagin esters were synthesized by the esterification of dodecyl and octadecyl alcohol with p -hydroxybenzoic acid in the presence of vitamin C.
它们是乙酸、苯甲醛、正葵酸、14-甲基十五烷酸甲酯、丙三醇、苯甲酸、6 ，9-十八碳二烯酸甲酯、角鲨烷、硬脂酸和二十烷基油酸酯。
They were acetic acid, benzaldehyde, n caproic acid, 14 methyl pentadecanoic methyl ester, glycerin, benzoic acid, 6,9 octadecadienoic methyl ester, squalane, stearic acid and oleic eicosyl ester.
通过硫化曲线评定，选用苯甲酸铵作硫化剂对环氧型丙烯酸酯橡胶低温胶进行硫化。
Through vulcanization curves evaluation ammonium benzoate was selected as the vulcanizing agent of epoxy acrylate rubber (EACM).
如取代的苯甲酸乙酯的皂化反应。
Such as the replacement of the saponification reaction of ethyl benzoate.
采用催化合成法合成了三（4 氯苯甲酸）纤维素酯；
The cellulose tris(4-chlorobenzoate) has been synthesised by the catalytic method and was supported on Gas Chrom Q.
塞克硝唑苯甲酸酯是塞克硝唑的前药，本文主要对塞克硝唑苯甲酸酯的药理活性进行研究。
Secnidazole benzoate is a former drug of secnidazole, this paper mainly study on the pharmacological activity of secnidazole benzoate.
车间放大试验结果显示，苯甲酸甲酯的得率为89.00%。
Experimental result in an enlarged workshop scale shows that the yield of methyl benzoate is 89.00%.
氢化苯甲酸甲酯和乙酯时，应用催化剂量多少，似对产量无影响，惟对氢化作用速度有关系。
The amount of catalyst used for the hydrogenation of methyl benzoate and ethyl benzoate did not affect the yields, but affected the speed of hydrogenation.
以硼酸酯、取代苯甲酸乙醇胺盐、葡萄糖酸钠三者为混合防锈剂应用于切削液中，其中硼酸酯和取代苯甲酸乙醇胺盐有明显的协同效应。
Boric acid ester, tri ethanolamine salt of substituted benzoic acid and sodium gluconate were used as anti rust additives in water based cutting fluid.
其中催化剂-苯甲酸丁烯酯手性加合物的生成是反应产物的手性决定步骤。
The turnover-limiting step for the asymmetric allylic oxidation is the formation of chiral catalyst-allyl perbenzoate complexes.
其中催化剂-苯甲酸丁烯酯手性加合物的生成是反应产物的手性决定步骤。
The turnover-limiting step for the asymmetric allylic oxidation is the formation of chiral catalyst-allyl perbenzoate complexes.
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