查询词典 optically less dense medium

The easy recovery of chiral auxiliary, good selectivity and high yield of this reaction make it a potential method in the synthesis of multifunctional optically active cyclopropane derivatives.

手性硫叶立德控制的高对映选择性合成多取代烯基环丙烷衍生物。

The method may be applied to cylindrically or spherically symmetric and optically thin ...

可以把这种方法应用到在等离子体物理和天体物理中经常遇到的柱对称或球对称的光学薄的等离子体上。

Herein, we propose an efficient method to prepare the optically active spiro [4,5] decane, a key intermediate for several spirovetivanes.

我们因此提出一种有效的方法来合成具光学活性的旋环状[4，5]癸烷，作为一些旋环状化合物的关键中间产物。

Objective: to study the synthesis of optically pureα,α-diphenyl(pyrrolidin-2-yl)methanol.

目的：研究光学纯α，α-二苯基-2-吡咯甲醇的合成工艺。

The optically active defect centers of such types as E', two kinds of oxygen-deficiency and some kinds of oxygen-richness in silica play an important role in optical communication fiber and UV absorption. The researches on some oxygen-deficient defects and the metal ions doped or implanted semiconductor nanoparticles with fine luminescence properties have made it possible for silica to be used in the lighting field.

氧化硅材料本征E'、2种缺氧型以及各种富氧型光活性缺陷中心在光导纤维及紫外吸收等应用中扮演了很重要的作用，某些具有良好发光性能的缺氧中心及掺杂离子或半导体纳米粒子发光中心的深入研究使氧化硅材料在照明领域具有良好的应用前景。

In this paper,the principle and makeup of optically stimulated luminescence dosimeter is described,and a measurement for radiation is carried,some actual problem is discussed.

介绍了光致荧光剂量计的原理和组成，并进行了辐射剂量测量，探讨了应用中存在的一些实际问题。

Design of High Repetition Rate Electro-Optically Q-Switched Module with Vertical Metal Oxide Semiconductor Field Effect Transistor Component.

用金属氧化物半导体场效应晶体管器件实现的高重复率电光调Q模块设计。

A device on a camera that indicates, either optically or electronically, what will appear in the field of view of the lens .

取景器照相机上的光学或者电子设备，用以显示出现在镜头里的东西

In other Now the galax y ies is full of gas and dust, which could hide a distant supernova optically, but the remnant which would still produce s detectable radio wave s and X-rays.

如今的星系充满了气体和粉尘，这会从视觉上掩盖遥远的超新星，但超新星残骸仍会产生可检测到的射电电波和 X 射线。

By utilizing the cross gain modulation effect and the period 1 oscillation harmonic frequency locked in an optically injected semiconductor laser , we can extract the wavelength conversional individual channel optical clock from the optical time division multiplexing OTDM signal .

光注入半导体激光器会产生非线性单周期振荡特性，利用交叉增益调制效应及对单周期振荡的微波锁频效应，可从光时分复用信号中提取出波长转换的分路光时钟。

You'll be in trouble it you don't watch out .

如果你不注意，你会有麻烦的。

Shaped like a biconvex lens.Of, relating to, or having the form of a hyperbola.

双曲线的属于双曲线的，与之有关的，或有双曲线形状的