不含染料,香水,羊毛脂,对羟基苯甲酸酯和甲醛。
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.
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.
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.
本文研究了温度和紫外光对食品防腐剂山梨酸、对羟基苯甲酸乙酯的稳定性和防霉效果的影响。
In this paper, the affects of temperature and ultraviolet light on the stability and mildewproof effect of sorbic acid and ethyl-p-hydroxybenzoate used as food preserving agent, was studied.
研究了以蔗糖酯及壳聚糖为涂膜剂,并配合防腐剂对羟基苯甲酸丙酯对青椒进行涂膜保鲜处理,观察青椒在贮藏期间亚硝酸盐含量的变化。
The preservation of green peppers by using sucrose ester, chitin and propyl-p-hydroxybenzoate was studied, and the nitrite content of green pepper during storage was analyzed.
主要成份:去离子水、氢化聚癸烯、对羟基苯甲酸甲酯、对羟基苯甲酸丙酯、丙烯酸共聚物、矿物油、香料。
INGREDIENTS: Deionized water, hydrogenated poly-decene, methyl p-hydroxybenzoate p-hydroxybenzoic acid propyl, acrylic acid copolymer, mineral oil, daily flavor.
以对羟基苯甲酸甲酯、1,4丁二醇为主要原料,经熔融酯交换合成介晶基元双-对羟基苯甲酸丁二醇酯(BBHB);
Bis(p-hydroxybenzonic acid butanediolate)(BBHB)as mesogenic unit was prepared with methyl p-hydroxybenzoate, 1,4-butanediol and catalyst by melting transesterification.
去离子水、印度醋栗、红石榴提取液、茄红素、丙烯酸共聚物、酵母提取液、无花果精华、对羟基苯甲酸甲酯、咪唑烷基脲、丙二醇、甘油。
Ingredients: Deionized water, amalaki, pomegranate extract, lycopene, acrylic acid copolymer, yeast extract, fig essence, Methyl Paraben, imidazolidinyl urea, propylene glycol and glycerol.
分析了添加不同量的对羟基苯甲酸或对羟基苯甲酸甲酯对样品凝聚粒子含量及流变性能的影响。
The effects of the amount of additive on the coagulate particle contents and rheologic properties are analyzed.
以正辛醇为原料,合成1-溴辛烷,并将1-溴辛烷与对羟基苯甲酸甲酯反应,然后水解,得到了4 -辛氧基苯甲酸。
1-bromooctane was manufactured by n -octanol as material, and reacted with methyl o -hydroxybenzoate, the 4-octanoxy benzoic acid was obtained.
不含防腐剂、人工色素、香料、矿物油,对羟基苯甲酸甲酯、矿油。
Free of preservatives, artificial color, fragrance, mineral oil, parabens, petroleum.
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...
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...
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