查询词典 synthesis

Based on the addition of vinyl magnesium bromide to the chiral non-racemic synthon 2 derived from-1, an enantioselective total synthesis of-3, the antipode of marine alkaloid halitulin 10 steps, overall yield: 5.3% from (R-1 was achieved using aza-Claisen rearrangement as a key step.

取得的主要结果如下：一、从-苯基甘氨醇1出发，通过已知的哌啶手性合成砌块2的加成反应，建立了经aza-Claisen重排反应进行海洋生物碱halitulin手性分子片断的对映体--isohaliclorensin 3不对称合成的路线。

Based on the addition of vinyl magnesium bromide to the chiral non-racemic synthon 2 derived from-1, an enantioselective total synthesis of-3, the antipode of marine alkaloid halitulin 10 steps, overall yield: 5.3% from (R-1 was achieved using aza-Claisen...

取得的主要结果如下：一、从-苯基甘氨醇1出发，通过已知的哌啶手性合成砌块2的加成反应，建立了经aza-Claisen重排反应进行海洋生物碱halitulin手性分子片断的对映体--isohaliclorensin 3不对称合成的路线。

This approach to carbonyl compounds also allows the synthesis of either optical antipodes.

这个一氧化碳合成方法也可以制备任何一个旋光对映体。

Methods Metabolic functions were studied by antipyrine autoradiography for the measurement of cerebral blood flow,by 3H-leucine autoradiography for the measurement of cerebral protein synthesis and by regional ATP bioluminescent imaging for the measurement of ATP content.

方法用放射性自显影方法测定L1 KO小鼠和野生型对照组小鼠大脑局部血流量和蛋白质合成率，用生物荧光影像技术测定两组ATP含量，并将两组数据进行比较。

Methods Metabolic functions were studied by [14C] antipyrine autoradiography for the measurement of cerebral blood flow, by 3H-leucine autoradiography for the measurement of cerebral protein synthesis and by regional ATP bioluminescent imaging for the measurement of ATP content.

用放射性自显影方法测定L1 KO小鼠和野生型对照组小鼠大脑局部血流量和蛋白质合成率，用生物荧光影像技术测定两组ATP含量，并将两组数据进行比较。

In this review, we presented novel agents with potential for the treatment of tuberculosis, which through natural product screening, design and synthesis of new drugs and structure modification of antituberculous agents; we also described advance in molecular biology of tuberculosis and the development of antituberculous targets.

文中综述了近年来通过天然物筛选、新药设计合成以及对现有抗结核药物的再修饰等途径，发现的一些有抗结核活性的化合物，以及结核杆菌分子生物学和抗结核治疗靶点的研究进展。

Reflection on the unity of apperception demonstrates the fact that an act of synthesis is necessary for the possibility of apperception.

对统觉统一的反思demonstrates了这个事实：'综合的行为'对统觉的可能性老说，是必要的。

Therefore the supplement of the real estate venture capital appraisal index,using the multi-objective synthesis decision making,becomes the important question of the decision-making analysis.

因此补充和完善房地产风险投资的评价指标，采用多目标综合决策，全面衡量风险投资的经济效益和风险程度，成为决策分析的重要问题。

This paper proposes an analog synthesis circuit of a wavelet function approximator using sigmoidal mother wavelet.

小波函数使用反曲型母小波模拟，电路由双极型晶体管、可控放大器和线性无源电子元件等组成。

Synthesis of Glycosides of Arabinose Ⅱ.

阿拉伯糖苷类化合物的合成Ⅱ。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。