查询词典 chiral

The numerical results show that in the matrix of mixing matrix chiral physical change in dielectric constant and magnetic permeability, which have an impact on the reflection coefficient.

数值计算结果表明，在基质中掺加手征体能改变基质的介电常数和磁导率，从而对反射系数产生影响。

Our results are also matched to those in the heavy meson chiral perturbation theory.

同时也考虑了影响B→K〓衰变的一点长距离效应。

In the second and the third chapters, the synthesis of new heterocycliccompounds bearing chiral pyrazolyl moiety from D-glucose was introduced.

第二、三章介绍了以D-葡萄糖为原料合成含手性吡唑基的新型杂环化合物的反应。

The effect of temperature on the chiral separation of the molecular imprinting polymer was investigated and the thermodynamic parameters were calculated.

考察了温度对分子烙印固定相手性分离的影响，计算了手性分离过程中的热力学参数。

Therefore, the axially chiral monometallic or bimetallic complexes could be formed by the chelation-induction concept upon complexing process of axially achiral ligands.

因此通过金属配位诱导，在配位基团上手性元素的影响下得到轴手性金属配合物。

The tetraoxazoline ligands only afforded the-configuration whether monometallic and/or bimetallic palladium complexes were formed upon the complexing process. Using the chelation-induced axially chiral palladium complex as a catalyst, excellent catalytic activities and enantioselectivities in the Wacker- type cyclization of allylphenols with up to 99% ee were gained.

当它与钯离子配位后只得到了轴构型为S的单金属或双金属配合物，并将该配体应用于钯催化的邻烯丙基苯酚的Wacker-type环化反应中，获得了很好催化活性和高达99% ee。

Complex V shows a one-dimensional 'Z' chain which are linked into two-dimensional lamellar structures by weak π-π stackings. Complex VI shows one-dimensional chiral helical chains which are linked into molecular zipper. Both complexes show strong blue photoluminescent under R.T. Complexes VII and VIII are monometallic complexes of Fe.

由对苯二甲酸形成的化合物Ⅴ是由一维的'Z'型链组成的，链链之间通过π-π弱相互作用形成了二维结构；而由间苯二甲酸形成的化合物Ⅵ是由一维的手性螺旋链组成的，链链之间通过π-π相互作用形成拉链状的二维结构，Ⅴ和Ⅵ在室温下具有强荧光。

In this context, the design and synthesis of multifunctional chiral organocatalysts are of great importance.

在本论文中，多官能化的手性有机催化剂的设计和合成是十分重要的。

Basing on super twisted nematic and chiral-homeotropic LCDs, the performance of the LCDs is improved after optimization.

在液晶连续体弹性形变理论的基础上，提出差分迭代方法求解液晶指向矢的空间分布。

Methods The plasma concentration of D-NNA and L -NNA were determined by chiral ligand exchange method with capillary electroc hromatography.

目的应用毛细管电色谱对大鼠体内的硝基精氨酸手性转化和代谢动力学进行研究。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。