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p hydroxybenzoic

网络羟基苯甲酸

p hydroxybenzoic

p hydroxybenzoic

p hydroxybenzoic

羟基苯甲酸

羟基苯甲酸(p-hydroxybenzoic)、香草酸(vanillic)、香豆酸(p-coumaric)和阿魏酸(ferulic)，占干质量的基于2个网页-相关网页短 …

1

The fourth part , synthesized dodecyl nipagin ester from p-hydroxybenzoic acid and dodecyl alcohol catalyzed by lipase was studied .

第四部分，研究脂肪酶催化对羟基苯甲酸与十二醇合成尼泊金十二酯。

2

In this paper , butyl nipagin was synthesized with solid heteropoly acid as catalyzer , p-hydroxybenzoic acid and isobutanol as raw material .

本文以固体杂多酸为催化剂，以对羟基苯甲酸与异丁醇为原料合成尼泊金丁酯。

3

Conclusion P-hydroxybenzoic acid was first isolated from this plant .

结论对羟基苯甲酸为首次从该植物中分离得到。

4

Nd 2O 3 used as solid catalyst for the preparation of nipagin esters with p hydroxybenzoic acid and alcohol has been studied.

研究了以三氧化二钕为固体催化剂，由对羟基苯甲酸和乙醇合成尼泊金乙酯。

5

Only we can research and produce Conducting Poly( p-hydroxybenzoic acid).

在全世界，只有我公司对导电聚苯酯进行研制和生产。

9

Method for determination of p-hydroxybenzoic acid esters in foods

食品中对羟基苯甲酸酯类的测定方法

10

Preparation of p -Hydroxybenzoic Acid Ester with Insoluble Salt of Heteropoly-acid as Catalyst

难溶杂多酸盐催化合成对羟基苯甲酸酯的研究

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