对羟基苯甲酸甲酯

对羟基苯甲酸甲酯还原Np（Ⅵ）的动力学研究

Kinetics study of the reduction of np (ⅵ) by methyl p-hydroxybenzoate

对羟基苯甲酸甲酯单晶生长和光学性能

The Crystal Growth and Optical Properties of Methyl p-hydroxybenzoate

为了减少PET凝聚粒子，在PET聚合的预缩聚阶段，添加少量的对羟基苯甲酸甲酯或对羟基苯甲酸。

P - hydroxybenzoic acid or p-hydroxybenzoate is added at the beginning of PET prepolymerization to decrease coagulate particle content of PET .

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 .

本文以对羟基苯甲酸甲酯、1,4-丁二醇、一缩二乙二醇、对苯二甲酸与氯化亚砜为原料通过三步合成了丁二醇酯液晶与一缩二乙二醇酯液晶。

In this paper , two polyester liquid crystal ( butanediol ester liquid crystal and diethylene glycol ester liquid crystal ) were synthesized with methyl p-hydroxybenzoate , 1,4-butanediol , diethylene glycol , terephthalic acid and thionyl chloride as materials through three steps .

结果表明：0.1%双乙酸钠效果最为理想，保存10个月后毒力保持率达到37.5%，0.1%和0.3%对羟基苯甲酸甲酯10个月后毒力保持率分别为29.3%和33.3%。

The results showed that : the effect of 0.1 % sodium diacetate is desirable to preserve for 10 months to maintain virulence rate was 37.5 % , 0.1 % and 0.3 % of methylparaben 10 months to maintain virulence rates were 29.3 % and 33.3 % respectively .

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 .