草酸

A HPLC method for chiral separation of citalopram hydrobromide enantiomers and optical puritydetection of escitalopram oxalate was established.

利用Chiralpak AD-H手性柱建立了氢溴酸西酞普兰对映体HPLC手性拆分的方法，同时对草酸依地普仑进行了ee值检查。

Due to lack of efficient measuring means, the real-time measurement is unattainable to the grain size distribution of cobalt oxalate in its hydrometallurgical synthesis process.

由于缺乏有效的检验手段，无法实现湿法冶金合成过程草酸钴粒度分布的实时检测。

Objective To evaluate the effects and toxicities of hyperthermic peritoneal perfusion with oxaliplatin plus 5-FU/LV for senile patients with malignant ascites.

目的研究草酸铂腹腔热灌注联合5-氟脲嘧啶／亚叶酸钙（5-FU／LV）方案治疗老年癌性腹水的疗效及不良反应。

The concentration of shikimic acid in Illicium verum Hook.f.was determined with ultraviolet spectrophotometry.

采用紫外分光光度法对9批不同产地的八角茴香样品中的莽草酸进行了含量测定。

Result The 7 compounds of Illicium wardii A. C. Smith fruits were β-sitosterol, daucosterol, ursolic acid, 4, 12-Di-O-methylillicinone C, 11-Epi-illicinone E, quercetin and shikimic acid.

结果］贡山八角果实中的7个化合物是β-谷甾醇、胡萝卜苷、乌索酸、4， 12-Di-O-methylillicinone C、11-Epi-illicinone E、槲皮素、莽草酸。

Objective: To study the different and the variety of four organic acids in leaves of Isatis indigotica among different cultivated populations in water stress condition and healthy plant.

中文摘要：目的：检测北京、内蒙古、河北和陕西等4个栽培居群菘蓝叶片中草酸、苹果酸、柠檬酸和抗坏血酸等4种有机酸成分含量的差异及在淹水胁迫下的变化。

By reacting isobutyraldehyde with diethyl oxalate using sodium methoxide as catalyst,3-methyl-2-oxobutanoic acid,sodium salt was prepared by one pot.

采用甲醇钠催化异丁醛与草酸二乙酯反应，一釜法合成了3-甲基-2-氧代丁酸钠。

II. The State practices the special-purpose control system with respect to the production, management, use and export of ephedrine (including extracts from ephedra grass and chemically synthesized, laevorotatory and dextrotatory) as well as their saline categories such as ephedrine hydrochloride, ephedrine oxalic, ephedrine sulphate and raw products of ephedrine (including ephedrine extracts, ephedrine extract powder and ephedra powder), ephedrine derivatives and prescribed preparations made with ephedrine as the raw material.

二、国家对麻黄素(含从麻黄草提取和化学合成的，包括左、右旋)及其盐类如盐酸麻黄素、草酸麻黄素、硫酸麻黄素和麻黄素粗品(含麻黄浸膏、麻黄浸膏粉、麻黄草粉)、麻黄素衍生物以及以麻黄素为原料生产的单方制剂等的生产、经营、使用、出口实行专项管理制度。

The State practices the special-purpose control system with respect to the production, management, use and export of ephedrine (including extracts from ephedra grass and chemically synthesized, laevorotatory and dextrotatory) as well as their saline categories such as ephedrine hydrochloride, ephedrine oxalic, ephedrine sulphate and raw products of ephedrine (including ephedrine extracts, ephedrine extract powder and ephedra powder), ephedrine derivatives and prescribed preparations made with ephedrine as the raw material.

二、国家对麻黄素(含从麻黄草提取和化学合成的，包括左、右旋)及其盐类如盐酸麻黄素、草酸麻黄素、硫酸麻黄素和麻黄素粗品(含麻黄浸膏、麻黄浸膏粉、麻黄草粉)、麻黄素衍生物以及以麻黄素为原料生产的单方制剂等的生产、经营、使用、出口实行专项管理制度。

The State practices the special-purpose control system with respect to the production, management, use and export of ep hedrine (including extracts from ep hedra grass and chemically synthesized, laevorotatory and dextrotatory) as well as their saline categories such as ep hedrine hydrochloride, ep hedrine oxalic, ep hedrine sulphate and raw products of ep hedrine (including ep hedrine extracts, ep hedrine extract powder and ep hedra powder), ep hedrine derivatives and prescribed pr ep arations made with ep

国家对麻黄素(含从麻黄草提取和化学合成的，包括左、右旋)及其盐类如盐酸麻黄素、草酸麻黄素、硫酸麻黄素和麻黄素粗品(含麻黄浸膏、麻黄浸膏粉、麻黄草粉)、麻黄素衍生物以及以麻黄素为原料生产的单方制剂等的生产、经营、使用、出口实行专项管理制度。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。