丁酸

Results:Keep the hyoscine butylbromide peak separate from the related substances and determine the limit of the main i mpurity.

结果：丁溴东莨菪碱与其他莨菪碱峰完全分离，从而对主要的杂质氢溴酸东莨菪碱进行了限量检查。

The combination of ion-pair extraction technology with reversed-phase ion-pair chromatography method provide a effective inspection measure for the sulfonates in water.

样品的四丁基溴化铵和二氯甲烷离子对萃取方法与反相离子对色谱分离联用，为水体中芳香族磺酸盐的检测提供了可靠的监测手段。

The catalytic effect of dibutyltin dilaurate on the thermal dissociation of blocked isocyanate crosslinkers was also discussed.

运用DSC，研究了二月桂酸二丁基锡对TDI封闭物解封温度的影响。

To understand the molecular basis of the high selectivity of the inhibitor and the mechanism of feedback inhibition, we determined the crystal structure of LiCMSC (C-terminal regulatory domain of LiCMS) in complex with isoleucine, and performed a biochemical study of the inhibition of LiCMS using mutagenesis and kinetic methods.

丁建平和赵国屏课题组合作，运用结构生物学和生物化学的方法分别研究了 CMS 的催化结构域与其底物丙酮酸、乙酰辅酶 A 、金属辅基的四元复合物的晶体结构，和 CMS 的调节结构域与反馈抑制剂异亮氨酸的复合物的晶体结构，以及全酶与这些配体相互结合的动力学性质。

Moreover,no difference was observed between trace elements added and not added into the medium,which proved that the trace elements contained in Jerusalem artichoke tubers are sufficient for 2,3-BD production.On the basis of the results,separate hydrolysis and fermentation and simultaneous saccharification and fermentation were performed,respectively.

通过摇瓶发酵实验考察了不同底物、不同水解方式以及微量元素对发酵的影响，结果表明，菊芋是良好的发酵生产2，3-丁二醇的底物，采用酸水解或酶水解两种方式制得的糖液发酵效果基本一致，菊芋中含有的微量元素完全能够满足发酵的需要，发酵过程中无需添加微量元素。

The mixed photocatalyst was prepared by sol-gel method using the kieselguhr as active additional substance and characterized by XRD and FTIR.Being a model reaction by ultraviolet radiation,the photocatalytic degradation of methylene blue was investigated with a mixed catalyst.

以硅藻土为固体活性添加物，采用sol-gel方法水解钛酸四丁酯制备溶胶与硅藻土混合合成混杂型光催化剂，样品分别用XRD和FTIR表征；以光催化亚甲基蓝溶液为反应体系，用Uv -vis光谱评价在紫外光照射下活性实验。

In treatment of lead poisoning with Na-DMS or Ca-Na2-EDTA, the time of alleviation of lead colic and the increase of urinary lead were similar in both chelating agents.

二疏基丁二酸钠是我国年来的临床应用，对两药的某些疗效与副作创制和创用的治疗铅中毒的有效药物。

Objective: To prepare antidote of the type of dimercaptosuccinic acid for the treatment of animal with heavy lewisite intoxication through intravenous injection.

目的：制备抗重度路易氏剂中毒静脉注射用的二巯基丁二酸类抗毒药。方法：采用两步纯化法提纯口服胶囊中DMSA粗品，供动物实验中静脉注射用。

The syntheses and spectral characteristics of bism-methylbenzene maleate and bis-m-methylbenzene phthalate is reported in this paper.

报道了顺丁烯二酸二间甲苯酯和邻苯二甲酸二间甲苯酯的合成与光谱性质。

The main source of benzene in the presence of a catalyst oxidation to form maleic acid, and then derived by isomerization.

其主要来源是在催化剂存在下将苯氧化生成顺丁烯二酸，再经异构化而得。

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。