查询词典 alcohol acid

Mono lauryl alcohol phthalate was synthesized by solid super acid S2O8^2-/ZrO2 as catalyst.

用固体超强酸S2O8^2-／ZrO2催化合成了邻苯二甲酸单月桂醇酯。

Citric acid lauryl alcohol ester ; synthesis ; food additive

柠檬酸月桂醇酯；合成；食品添加剂

The enhancement ability of four different enhancers such as azone, propylene glycol,oleic acid and lauryl alcohol,was investigated when used either uniquely or combinatively each other at random.

对氮酮、丙二醇、油酸、月桂醇4种透皮吸收促进剂单独应用和任意2种合用的促渗效果进行考察。

Objective］ The research aimed to improve the comprehensive surface performance of lauryl polyoxyethylene ether (AEO3) by means of modification.［Method］ AEO3 was synthesized from lauryl alcohol and epoxy ethane, which reacted with liquid chloroacetic acid to produce modified AEC.

［目的］对月桂醇聚氧乙烯醚（AEO3）进行改性来提高它的综合表面性能［方法］用月桂醇、环氧乙烷合成月桂醇聚氧乙烯醚（AEO3），再用AEO3与液体氯乙酸反应改性合成AEC。

A novel anionic gemini surfactant,didodecyl-ethoxylate bis-sodium sulfate was prepared in three steps using lauryl alcohol,glycol-epiglyceride and chlorosulfonic acid as raw materials and BF_3-ethyl ether as catalyst.The chemical structure of the product was confirmed by IR spectrum.

以十二醇、乙二醇二环氧甘油醚和氯磺酸为原料，以BF3-乙醚为催化剂，通过三步法制备阴离子型双子表面活性剂双十二烷基乙氧基二硫酸酯钠；红外光谱对其结构进行了表征，测定了其表面活性和发泡力等性能。

The esterification reaction was carried out in isooctane solvent at 50℃, with 0.15mol/L of substrate and 1:1.4 of acid-alcohol molar ratio.

研究了反应温度、溶剂、底物浓度、底物摩尔比、吸水剂用量等因素对酯化反应的影响，确定了正戊酸异戊酯的最佳合成条件为：反应温度为50℃，异辛烷为反应介质，底物浓度为0.15mol/L，酸醇摩尔比为1：1.4。

The reaction conditions are that the catalyst is 2.0 g, the mole ratio of acid to alcohol is 2.6︰1, the average esterification yield of isoamyl acetate is 70.6%.

但也有明显的缺点，如腐蚀设备严重、易使产品炭化等。为此，我们以硅胶作为载体制备了硅胶负载硫酸催

Based on the reactive distillation technology, the as-prepared nanostructured manganese oxides are also used to catalyze the esterification reaction between acetic acid and isoamyl alcohol to synthesize isoamyl acetate.

动力学研究表明本实验的催化氧化反应遵循动力学规律r(来源：ABC70a8论文网www.abclunwen.com)_A=333.3×c_A~(1.76)。以所制备的纳米结构锰氧化物为催化剂，采用反应蒸馏技术进行了乙酸异戊酯的合成研究。

Uric acid is made from the breakdown of purines, which are always in the body, but are also found in alcohol and some foods.

尿酸是由破裂的嘌呤，这都是在身体，但也发现在酒精和一些食物。

Reducing your alcohol intake and improving your diet to reduce the amount of purines that you take in (and therefore the level of uric acid in your blood), not only helps treat the symptoms of gout, but helps to prevent further attacks as well.

减少您的酒精摄取量和改善你的饮食，以减少金额嘌呤您采取在（和水平，因此，尿酸在你的血液），不仅有利于治疗痛风的症状，但有助于防止进一步的攻击，以及。

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。