立体化学的

It was found that the sequence distributions of CO2-PAN obey Bernoulli statistics.

采用~(13)C NMR分析技术对CO_2-PAN的立体化学进行了研究。

As stereochemistry in drug molecule governs its biological activity, chirality is emerging as a key issue in pharmaceutical research.

药物分子的立体化学决定了其生物活性，手性已成为药物研究的一个关键因素。

Ramachandran plot helps to visualize the stereochemistry permissible value of protein dihedral angleΦandΨ.

拉氏构象图形象地标示出了蛋白质两面角Φ和Ψ的立体化学允许值。

Explore the chemistry at interfaces and control the stereochemistry of heterogeneous catalysts used as bulk species.

探索表面化学性质，控制以多相催化剂作为体相物种的立体化学。

The effects of unsaturation, substituents and stereochemistry of molecular structure on the reaction mechanisms and the synthetic applications are studied.

探讨分子构造中不饱和基、取代基及立体化学对光、热反应机构之影响，并结合光和热反应开发新的合成方法。

The orientation of organic cations may be influenced significantly by the concentration of pillaring reagent.

2利用XRD分析结果，结合有机立体化学，定量地描述了层间有机离子不同排列方式所具有的空间尺寸。

The present invention concerns a compound having the formula a N-oxide form, a stereochemical isomer, racemic mixture, salt prodrug, ester or metabolite thereof.

本发明涉及具有式的化合物、其N-氧化物形式、立体化学异构体、外消旋混合物、盐、前体药物、酯或代谢物。

The stereochemical effect of the chiral amino acid residues on the formation of penta-coordinate phosphorus intermolecular mixed carboxylic-phosphoric anhydride from N-phosphorylamino acids was studied with density functional theory calculations at B3LYP/6-311G level.

用密度泛函方法在B3LYP/6-311G水平上对N-磷酰化氨基酸生成五配位磷酸羧酸混酐反应中手性氨基酸残基侧链的立体化学效应进行了研究。

And the two steric chemical problems of the synthesis were discussed.

对于其中涉及到的两个立体化学问题选择性地合成了2-脱氧-2-硝甲基分枝糖（50）。

Information such as the potential for isomerism, the identification of stereochemistry, or the potential for forming polymorphs should also be included.

还应提供异性相可能性，立体化学特征或形成多形体的可能性信息。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。