极性

The hydrogen bonding and π-π interactions between the chiral stationary phase and the polar group of racemates may be responsible for the chiral recognition.

手性固定相与外消旋样品上的极性基团之间的氢键作用和π-π作用可能是进行手性识别的主要原因。

Treatment of pterin (2-amino-4-hydroxy-pteridine) derivatives with N,N-dimethylformamide dimethylacetal [1,(CH 3) 2NCH(OCH 3) 2] usually gave corresponding N 2-(N,N-dimethylaminomethylene)- pterin derivatives in polar solvents.

用N ，N 二甲基甲酰胺缩二甲醇 [(CH3 ) 2 NCH(OCH3 ) 2 ，1]和蝶呤(2 氨基 4 羟基蝶啶)衍生物在极性有机溶剂中反应一般得到脒化产物：N2 (N ，N 二甲基氨基亚甲基)-蝶呤衍生物。

The formation of the plant body.

内容包括：细胞分裂，极性与细胞生长，种子发育与发芽，植物体的形成，影响植物生长发育的因子，植物运动，老化与衰化，脱落，休眠。

On the basis of magnetic theory and electrode theory of gas molecule and the reaction mechanism of producing the air plasma body by surface discharging,this paper studies a new kind of magnetic-electrode plasma body purification device,and tests it in a test of engine platform.

依据气体分子磁性理论与电极性理论及沿面放电方式产生空气等离子体的反应机理，试制出一种新型的磁电极化等离子体净化装置，并在发动机台架上进行了试验。

Half remains in the plate circuit while the other half is placed between the cathodes with consideration given to polarities.

一半的初级绕组保留在屏极线路而另一半则安置在阴极之间，但阴极间的半初级绕组需要考虑极性。

Fittings series lasers have: a dedicated optical laser lens (spherical and non-spherical), laser diode driver circuit boards and with TTL modulation drive plate, laser-specific power supply (with a soft-start and reverse polarity protection).

激光器配件系列有：激光专用光学透镜、激光二极管驱动电路板及带TTL调制驱动板、激光器专用电源（具有软启动及极性反接保护）。

Objective To study the value of LPA and AP applicating for acute ischemia cerebral vessels disease and prewarning of LPA and AP for the disease.

目的 探讨溶血磷脂酸和与溶血磷脂酸极性相似的磷脂对急性缺血性脑血管病的临床应用价值和预警作用的可行性。

The other polyamides were amorphous and organosoluble and could afford flexible and tough films via solution casting.

其他的聚合物是无定型的，并可溶於极性有机溶剂中铸成具可挠曲性且强韧的薄膜。

The intrinsic viscosity of soluble polyamides in NMP was observed to be 0.91～1.43 dL/g.

当A与B或C的物质的量比为10∶0～5∶5时，所得聚酰胺溶于强极性溶剂，在NMP中的特性粘度为0.91～1.43dL/g。

We suggest a method abandoning the search for common converted points and adjusting polars, and taking receive point as fictitious source, and using one-way wave equation performance to converted wave migration in shot domain.

抛开常规的转换点位置估计及极性校正，把检波点作为虚拟震源，利用单程波方程实现转换波记录的炮域偏移处理。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。