草酸

Under the catalysis of rare earth composite solid superacid SO42-/ZrO2-La2O3,reaction of a-pinene and anhydrous oxalic acid afforded bornyl oxalate smoothly. Followed by saponification reaction, borneol was obtained selectively.

在稀土复合固体超强酸SO42-/ZrO2-La2O3的催化下， a -蒎烯与无水草酸的反应能顺利生成草酸龙脑酯，经皂化反应后，能选择性地合成正龙脑。

Bornyl oxalate was formed smoothly by esterification of β-pinene with anhydrous oxalic acid using solid superacid as catalyst. Borneol was obtained by saponification of bornyl oxalate with NaOH solution.

在固体超强酸催化作用下β-蒎烯和无水草酸平稳地发生酯化反应，生成草酸龙脑酯；加入氢氧化钠溶液发生皂化反应得到龙脑。

AIM:To study the therapeutic effect of Diammonium Glycyrrhizinate lipid ligand on alcoholic fatty liver.

目的 ：观察新一代甘草酸制剂甘草酸二铵脂质配位体对酒精性脂肪肝的治疗作用。

Methods 108 cases with chronic severe hepatitis were randomly divided into treatment group (n=36) treated with compound glycyrrhizin and control group (n=36) treated with diammonium glycyrrhizinate, and compare the curative effect between 2 groups.

将108例慢性重症肝炎患者随机分为治疗组和对照组，治疗组给予复方甘草酸苷，对照组给予甘草酸二铵，比较2组临床治疗疗效。

Dibenzyl oxalate was synthesized from oxalic acid, potassium hydroxide and benzyl bromide under microwave irradiation using tetrabutylammonium bromide as phase-transfer catalyst and polyethylene glycol-200 as solvent.

在微波辐射条件下，以草酸、氢氧化钾和溴化苄为原料，四丁基溴化铵为相转移催化剂，聚乙二醇200为溶剂合成了草酸二苄酯，并通过熔点和红外光谱对产物的结构进行了表征。

PAM can induce the formation of calcium oxalate dihydrate crystals and change the morphology of COD and calcium oxalate monohydrate crystals.

PAM可以诱导二水草酸钙晶体生成并改变COD和一水草酸钙晶体的形貌。

The catalytic performance of copper-nickel oxalate catalysts prepared by concurrent coprecipitation was studied in the gas-phase reaction of p-cymene synthesis by dehydrogenation of industrial dipentene.

研究了并流共沉淀法制备的草酸铜-草酸镍催化剂在工业双戊烯脱氢合成对伞花烃气相反应中的催化性能。

The glyoxalic acid and oxalic acid in electrosynthesis of glyoxalic acid from oxalic acid was determined by reversed-phase high performance liquid chromatography,this method is simple,low cost and high performance.

采用高效液相色谱法测定了草酸电合成乙醛酸中乙醛酸和草酸的含量，方法简便，成本低廉，效果良好。

Colonic secretion of oxalate is stimulated in rat models exhibiting hyperoxalemia suggesting a contribution of this extrarenal pathway to regulation of oxalate mass balance in clinical conditions manifesting hyperoxalemia.

结肠分泌草酸，是刺激大鼠模型展示hyperoxalemia暗示贡献外，这通路规草酸质量平衡，在临床条件hyperoxalemia体现。

Germin in wheat is a manganese containing homohexamer with oxalate oxidase activities, which generates II2O2 from the oxidative breakdown of oxalate thereby playing a significant role in plant development and defense.

小麦中的germin是含有Mn离子的同源六聚体，具有草酸氧化酶活性，可将草酸氧化生成H_2O_2，在发育和防御过程中起了重要作用。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。