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

研究了以硫化钠和氯乙酸钠为原料常压合成巯基乙酸。

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，经化，苯甲酰化，还原三步合成双苯甲酰沙丁胺醇酯。

Fe-only hydrogenase can catalyze the reversible reaction of protons and electrons to molecular hydrogen in nature.

对铁化酶活性中心进行化学模拟将有可能生出新型的化剂。

The hydrogenation of terpineol to dihydroterpineol catalyzed by Raney Nickel modified by potassium borohydride was studied.

研究了以硼化钾修饰的雷尼镍化剂化松油醇加制备二松油醇的反应。

Oxidation of tropine with chromic oxide gave tropinone which can be quaternized to 5 in quantitative yield.

为了使反应的研究简化,将阿托品水为托品醇、再氧化为托品酮,托品酮胺盐与化钠反应。

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化可的松的关系。

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酚传统合成技术的发展，包括磺化碱熔法、异丙萘法、水法、化萘法。

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

脱橙花叔醇在化剂存在和常压(或接近常压)下发生选择性部分化反应,形成橙花叔醇。

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

阐述乙炔以及碳化合物在空分装置中具有的潜在危险性,并提出在正常生中的预防措施。

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，以化镁当做硼化锂的去稳定剂，可以将释放气体所需的温度从400℃降到275℃。

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

采用向盐酸多西环素精制母液中加5-磺基水杨酸和水的方法,从精制母液中回收出化物,并确定了最佳配比。

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

化萜烯马来酸酐的化学结构与固化物的机械强度及热稳定性密切相关。

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

介绍了蒽醌法生过氧化在蒽醌化工作液氧化步骤中所用的化剂。

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，经氯化、气相氟化、气相化及氟甲基化等一系列改进的方法合成了七氟醚，提供了一条新的合成路线。

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

介绍了氮氧化物、碳化合物在形成光化学烟雾中的作用和臭氧、过氧乙酰硝酸酯生的过程,并介绍了光化学烟雾的形成机理。

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酸化泼尼松(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.

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

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.

本文用异龙脑与苯酚在酸性化剂作用下进行选择性烷基化反应,再经化化还原得到龙脑檀香品。

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.

本文对巯基乙酸的合成工艺进行了比较研究,认为硫化钠法和硫代硫酸钠法生成本低,适宜于选矿用巯基乙酸的生,而硫脲法可得到较高浓度的巯基乙酸。

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.

动力学实验及物分析结果表明化香豆素的大多数反应步骤是按连串反应进行。