异构体

Finally, we demonstrate the transformation of β-hydroxy nitriles to a variety of diastereomerically pure and highly functionalized acyclic and heterocyclic γ-amino alcohol derivatives.

最后， 本文介绍了由β-羟基腈向各种纯非对映异构体，多功能性的开环和杂环γ-氨基醇衍生物的转化反应。

The 5-cm short CD-based column exhibited rapid separation ability to the above β-blocker drugs within 5 min, which indicated that the separation has high efficiency.

所制备的短柱具有快速分离的特点，在5 min内实现了上述5对手性药物对映异构体的分离，具有较高的分离效率。

The topological resonance energy method was applied to all the open structure isomers of C36X to investigate their aromaticity.

采用拓扑共振能方法对富勒烯C36X开环结构中的所有可能的异构体及阳离子和阴离子芳香性进行了理论研究。

Aromaticity of Various Possible Isomers of C36XX=O,NH,S

C36X各种可能异构体的芳香性研究

Aromaticity of Various Possible Isomers of C36XX=O, NH, S

篇名 C36X各种可能异构体的芳香性研究

The results indicate that isomers P≡C-BH2 and CH3-C≡P containing C≡P triple bond are thermodynamically the most stable species in BH2-C≡P and CH3-C≡P systems, respectively.

结果表明，含C≡P三键的异构体BH2-C≡P和CH3-C≡P在各自的体系中分别是热力学最稳定的结构。

The solubilities of the phthalic acid isomers in water were summarized and the parameters of the combinatorial part of UNIFAC activity coefficient model were calculated based on solid-liquid equilibrium calculations.

总结了三种同分异构体苯二甲酸在水中的溶解度数据，并基于固液平衡计算关联了UNIFAC活度系数模型中组合项的分子参数。

On the other hand,there were not different in the levels of adrenalin and noradrenalin of serum and urea.

实验结论CLA混合物，甘油三酯型，游离脂肪酸型和两种主要的异构体(c9，t11-CLA和t10，c12-CLA)在葡萄糖代谢和血脂代谢方面活力不尽相同。

The copolymers were systematically characterized by elementary analysis, FT-IR, UV-visible spectroscopy, solution high-resolution 〓H-NMR and solid-state high-resolution 〓C-NMR spectroscopes, solubility examination; circular dichroism technique was firstly used to characterize chain structure of the copolymers.

本文通过在刚性的PD聚合物分子链中引入邻乙氧基苯胺链节，使用化学氧化聚合和电化学氧化聚合两类新型聚合方法，合成了三种PD异构体与PHT的共聚物，并进行了聚合反应、结构和性能表征的系统研究，并且比较了氨基的相对取代位置对聚合活性的影响。

The value for the heat of formation of dibenzofuran and the associated standard entropy are derived from a recent evaluation by Chirico et al.

在这工作。推测必需获得热力学数据为种类benzonaphtho-[1，2-d ]， [ 21， d ] 并且[ 2，3-d ] 噻吩是这样，意味深长的分化在这些异构体之间不是可能的。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。