1、

The stereocontrol synthesis of 4 β-methyl-5 α-cholestane ( 6) from cholesterol ( 1) insteps was reported.

本文报道以胆甾醇为原料经四步反应立体控制合成4β-甲基-5α-胆甾烷(6)的新路线。

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2、

Nine N-phenylhomophthalimide derivatives with the purities of 70 % ~95 % were synthesized via solution-phase synthesis utilizing scavenger resin.

通过清除树脂辅助液相合成法合成了9个N - 苯基高邻苯酞酰亚胺衍生物,纯度70%~95%.

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3、

The article discusses the research and development on catalysts for synthesis of salicylate.

综述了一类重要的精细化工产品—水杨酸酯的合成反应催化剂研究进展.

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4、

Fully automated one-pot synthesis procedure of 18 F-FLT injection can be performed at TRACERlab FXF-N system.

“一锅法”可用于TRACERlab FXF -N自动化合成装置制备 18F-FLT 注射液.

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5、

Chiral synthesis can be achieved by taking advantage of natural or synthetic optically active compounds.

在手性合成中利用了天然或合成的光学活性化合物.

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6、

Synthesis of a Cyclic Dimer of Dibenzo-18-crown-6 Containing Rigid 4,4 ′-Bis ( aminomethyl) biphenyl Spacer

4,4′-二胺甲基联苯搭桥的二苯并-18-冠-6环状二聚体的合成

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7、

Study on Synthesis of α-methylstyrene cyclic dimer

阳离子交换树脂催化合成α-甲基苯乙烯环二聚体的研究

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8、

Research progress of scale-inhibition dispersion agent of copolymer of phosphono carboxylic acid Synthesis of Phosphono Carboxylic Acid Cotelomer and Its Property

膦酰基羧酸共聚物阻垢分散剂的研究进展膦酰基羧酸共调聚物的合成及性能

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9、

Aluminum phosphate was prepared by solid-phase synthesis in three different templates ( organic ammonium) with aluminum chloride and ammonium dihydric phosphate at 180 ℃ for 2 h, and was characterized by XRD, IR, chemical analysis and ICPS.

用3种模板采用固相合成方法,以氯化铝和磷酸二氢铵为原料合成了磷酸铝,产物经XRD,IR,化学分析和ICPS表征。

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10、

The synthesis, production and application of the surfactant alkyl diphenyl ether disulfonate were reviewed.

介绍了表面活性剂烷基二苯醚二磺酸盐的合成 、 生产及应用情况.

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11、

The synthesis principle, method and influential factor of spherical magnesium carbonate were discussed in this paper.

本文探讨了以白云石为原料合成球状碳酸镁的原理 、 方法及影响因素.

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12、

Synthesis of o phenylenediamine from o nitroaniline by catalytic hydrogenation at lower pressure was studied.

以邻硝基苯胺为原料,采用低压催化加氢还原技术合成邻苯二胺.

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13、

Other health care products: a variety of raw materials extraction by synthesis, biological chain to interrupted.

其它保健品: 多种原料经萃取合成, 生物链被打断.

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14、

Using: Fine synthesis and agricultural chemicals, medicine intermediate.

应用: 精细合成及农药 、 医药中间体.

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15、

Scientists use technology and new research data to come up with new leads in medicine, but did you know some "new" discoveries are also based on the evolution and synthesis of ancient medicinal practices?

科学家们利用技术和新的研究数据,在医学领域提出新的线索,但是你知道吗?一些“新”发现也是基于古代医疗实践的演变和综合之上。

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16、

Studies on the Solid State Reaction of Coordination Compounds ( XXVI)& Solid State Synthesis and Crystal Structure of Compound WS_4Cu_3 ( PPh_2)_3Cl

固相配位化学反应研究(ⅩⅩⅥ)&WS4Cu3(PPh3)3Cl的固相合成和晶体结构

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17、

Chemistry and Applications of Phosphonium and Arsonium Ylides XXVII Synthesis of Phosphonium Ylide Containing Perfluoroalkyl Group

膦、胂叶立德的化学与应用XXVII.含全氟烷基膦叶立德的合成

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18、

A new method for the synthesis ofm-chlorobenzoic acid was reported.

报道了间氯苯甲酸新的合成方法.

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19、

Government information security is a long-standing problems, from the breadth of view, it is a technical, legal and management-level synthesis.

政府信息安全问题是一个长期存在的问题,从广度上看它是一个包括技术、法律和管理等多个层次的综合体。

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20、

Yogurt is rich in pantothenic acid ( vitamin B5), pantothenic acid's main function is involved in coenzyme A synthesis.

酸奶富含泛酸(维生素B5),泛酸的主要功用是参与辅酶A的合成。

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