查询词典 hydroxy acid

Ferulic acid is a plant-food-derived antioxidants with hydroxy -cinnamate structure. It is wildly occurring in many kinds of fruits, vegetables, berries and grains.

中文摘要阿魏酸是一个富含於植物中，属hydroxycinnamate类结构的抗氧化物，可在多种的蔬菜、水果、谷类、稻米中发现。

MIP and NIP have very good selective adsorption abilities to both 1 -hydroxy -2 - naphthoic acid and citrinin molecules.

结果表明MIP和NIP对1-羟基-2-萘甲酸和桔青霉素分子都有着很好的吸附选择性。

Their structures were characterized as dihydroconiferyl dihydro-p-coumarate, vanillin, apocynin, p-hydroxybenzaldehyde, syringaldehyde, syringic acid, syringylethanone,α-hydroxypropiosyringone, coniferyl aldehyde, dihydroconiferyl alcohol, 2-hydroxyphenylpropanol, and 3-hydroxy-4-methoxy-phenylethanol, respectively.

结果 从该植物中分离得到12个酚性化合物，其结构分别为二氢松柏醇二氢对羟基桂皮酸酯，香草醛，罗布麻宁，对羟基苯甲醛，丁香醛，丁香酸，丁香乙酮，α-羟基丁香丙酮，松柏醛，二氢松柏醇，2-羟基苯丙醇和3-羟基－4-甲氧基苯乙醇。

This specific preparation methods including: parathion of the initial reaction in acid and zinc metal in the common under redox reaction, a product of the reduction of parathion - parathion, with the sodium nitrite in the cold under diazotization reaction, and bovine serum protein tyrosine on the o-hydroxy combination of the adult immune original and immune rabbit polyclonal antibody preparation.

本发明制备方法具体包括：以对硫磷为反应初始物，在酸和金属锌的共同参与下进行氧化还原反应，得对硫磷还原产物对氨基对硫磷，再与亚硝酸钠在低温下进行重氮化反应后，与牛血清蛋白酪氨酸上羟基的邻位结合，制备成人工免疫原，并免疫新西兰大白兔制备多克隆抗体。

The tribological properties of di-hydroxy stearic acid as additives in castor oil were investigated using a four-ball friction and wear tester.

利用四球摩擦磨损试验机考察了所合成的双羟基硬脂酸在蓖麻油中的摩擦学性能，并用扫描电子显微镜观察分析了磨斑表面的形貌。

The method was based on the aromatic hydroxylation of terephthalate by hydroxyl radical, produced from the homolysis of peroxynitrite in weak acid media, to yield a highly fluorescent product, 2-hydroxy-terephthalate, which was then detected fluorimetrically.

具体做法是将ONOO〓在pH 5.0的缓冲液中转化为其共轭酸ONOOH，而ONOOH本身不稳定，均裂生成·OH，·OH进攻对苯二甲酸生成强荧光产物2-羟基对苯二甲酸，利用荧光分析法测定2-羟基对苯二甲酸，从而间接确定ONOO〓的含量。

This invention is extraction method of cellular hydroxy fatty acid esters from microorganism.

本发明公开了一种提取微生物胞内聚羟基脂肪酸酯的方法。

Objective］ The research aimed to investigate the effect of liquid metmonine hydroxy analogue-free acid on the growth performance of common carp.

［目的］研究液态蛋氨酸对鲤鱼生长性能的影响。

Methods:The target compounds were synthesized from acylation of polyethylene glycol to hydroxy group of ursolic acid by polymer polycondensation method.

通过高分子缩合的方法，将酰化的聚乙二醇接枝到熊果酸的羟基上，得到目标产物。

Using 3 hydroxy 2 naphthoic acid as a fluorescence probe, the relationship of the crosslinking degree of the polymer with the stability of supramolecular complex and the fluorescence properties was investigated, respectively.

用改进的Renard方法控制合成了 6种不同交联度的水溶性β环糊精聚合物。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。