查询词典 optically denser medium

Racemization is the conversion of an optically active form of a compound into a racemic mixture; reversing this process is called resolution.

外消旋作用是把一种化合物的光学活性形式转化为外消旋的混合物；这个过程的逆过程称为拆分。

Racemization is found with optically active substrates.

发现旋光基质有外消旋作用。

The dials and displays in the instrument cluster are programmable and their images can be optically superposed or combined by means of a semitransparent mirror.

在拨打和仪表显示可编程，其图像可以叠加光或由一个半透明镜手段相结合。

This phenomenon falls under the category of "spherical aberration"-- just one of several examples of how the human eye is optically imperfect.

这种现象应该归入球面像差的范畴内，这是人眼为何出现视力缺陷的几个实例之一。

The optical activity of a stereoisomer is expressed quantitatively by its optical rotation, The specific rotation 〖α〗D25C of an optically active compound is defined thus

立体异构体的光学活性是以旋光度定量表示的，光学活性物质的比旋光度〖α〗D25C是这样定义的

B (1R,3S)-1-ethyl-3-bromocyclopentane,andan optically active stereoisomer of 1,3-diethylcyclohexane.

答：指出1-甲基萘的所有手性中心，它存在多少个立体异构体

In this chapter, we report the synthesis of an alkyl imidazo lium salt supported chiral sulfonamide ligand and its use and recycling in enantiosel-ective reduction of prochiral ketones to optically active secondary alcohols.

在这里我们报道了一种离子液体接枝的磺酰胺手性配体以及在前手性酮的不对称还原反应中的应用，获得了较好的对映纯过量，实现了手性配体的回收和重复使用。

Thermoluminescence and optically stimulated luminescence of PbWO_4 crystal doped with Y 3+ is investigated.

实验测试了掺钇的钨酸铅(PbWO4 )晶体的热释光和光释光。

This article narrates the transformation of carbonyl group in optically active epoxy ketones under different reagents and enumerates some synthetic applications of this kind of transformation.

本文讲述了有机合成中光学活性的环氧酮化合物中酮羰基在不同试剂下的转化，并列举了一些相关的合成应用。

This article narrates the transformation of carbonyl group in optically active epoxy ketone s under different reagents and enumerates some synthetic applications of this kind of transformation.

本文讲述了有机合成中光学活性的环氧酮化合物中酮羰基在不同试剂下的转化，并列举了一些相关的合成应用。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。