Thioglycolic acid(TGA) was synthesized from thioglycolic acid and sodium hydrosulfide under common pressure.

研究了以硫和氯乙为原料常压合巯基乙。

The target compound was synthesized from N-benzyl protected aminoacetophenone through hydrogenation,benzoylation and reduction.

以氮-苄基保护胺基酮为原料，经，苯甲酰，还原三步合双苯甲酰沙丁胺醇酯。

The THFA product of hydrogenation in common pressure has been used in enzymatic reaction and expressed the same result as that of THFA from Sigma, the cost of reduction by hydroborates is lower.

常压法的产品已用来代替进口试剂作为酶促反应的辅酶，但硼物还原法本最低，且能合满足酶促反应要求的产物。

In a testing of petrolic engine, about 70% to 80% of nonmethane hydrocarbon is emitted into atmosphere without catalysis conversion in theoment of coldstart, so that serious pollution is produced.

汽油机的一个测试循环中,约占排放污染物总量70%～80%的非甲烷碳合物是汽油机冷起动阶段没有经催转而直接排入大气中,造严重污染。

The diolefins and alkenyl aromatics are very unstable components which can give gums by polymerization.In giving olefins and alky aromatics the hydrogenation improves the product quality.

二烯烃和烯基芳烃是非常不稳定的组分，可聚合产生凝胶。对于给定烯烃和烷基芳烃，可以改善产品质量。

A proof that most of the steps for the reaction of Dihydrocoumarin are consecutive has been given from kinetic experiments and analytical results of the products.

动力学实验及产物分析结果表明香豆素的大多数反应步骤是按连串反应进行。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基乙的合工艺进行了比较研究,认为硫法和硫代硫法生产本低,适宜于选矿用巯基乙的生产,而硫脲法可得到较高浓度的巯基乙。

A new camphol sandaliol was synthetized by selective alkylation of isocamphol and phenol with acidic catalyst, and following hydrogenated in the presence of Raney nickel.

本文用异龙脑与苯性催剂作用下进行选择性烷基反应,再经催还原得到龙脑檀香产品。

Hydroprednisone acetate was injected into the rabbits of the model group using intragluteal injection to produce necrosis models of bone cells of femoral head.

模型组采用臀肌注射醋泼尼松(简称激素)建立股骨头骨细胞坏死模型。

The content of As and Sb in paints are analyzed by hydride generat io n atomic fluorescence spectrometry (HG-AFS) and L-cysteine prereduction proces s.

采用物发生-原子荧光光谱法,用L-半胱氨预还原法,对涂料中砷和锑进行了分析。

The mechanical property and thermal stability of cured epoxy resin were closely related to the chemical structure of hydrogenated terpinene maleic anhydride.

萜烯马来酐的学结构与固物的机械强度及热稳定性密切相关。

The function of hydrocarbons and nitrogen oxides in photochemical smog formation and the formative process of ozone and peroxyacetyl nitrate are discussed.

介绍了氮氧物、碳合物形光学烟雾中的作用和臭氧、过氧乙酰硝酯产生的过程,并介绍了光学烟雾的形机理。

Sevoflurane is synthesized from aceton by vapor phase catalytic fluorination, vapor phase catalytic hydrogenation,chloridization and fluoromethylation, which gives a new synthetic method.

以丙酮为原料，经氯、气相氟、气相及氟甲基等一系列改进的方法合了七氟醚，提供了一条新的合路线。

The catalysts,which were used for oxidating hydrogenized anthraquinone working fluid in the production course of hydrogen peroxide by anthraquinone method were introduced.

介绍了蒽醌法生产过氧蒽醌工作液氧步骤中所用的催剂。

The recovered hydrogenate has more impurity, so a new purification method was usedwhichsettl-ed the tail peak problem in finished Doxycycline Hyclate.

采用向盐多西环素精制母液中加5-磺基水杨和水的方法,从精制母液中回收出物,并确定了最佳配比。

Using magnesium hydride as a destabilizer for lithium borohydride, for instance, lowers the release temperature from 400 to 275 degrees C.

举例来说，以镁当做硼锂的去稳定剂，可以将释放气体所需的温度从400℃降到275℃。

Nerolidol was prepared by selective partial hydrogenation of dehydronerolidol at normal or nearly normal pressure in presence of a catalyst.

脱橙花叔醇催剂存和常压(或接近常压)下发生选择性部分反应,形橙花叔醇。

States the latent hazardness of such hydrocarbons as acetylene in air separator, and presents the preventive measures in normal production.

阐述乙炔以及碳合物空分装置中具有的潜危险性,并提出正常生产中的预防措施。

Objective: To explore the relationship between the occurrence of hypokaliemia in patients with Cushing syndrome and cortisol.

探讨库欣综合征患者低钾血症的发生与可的松的关系。

The recent developments in conventional synthesis of naphthol are summarized, including sulfonation alkali-fusion, via isopropyl naphthalene, hydrolysis, via tetrahydronaphthalene.

摘要简述了近年来一元萘传统合技术的发展，包括磺碱熔法、异丙萘法、水解法、四萘法。