查询词典 optically denser medium

Along with tile rapid development of chirality science, the preparation of optically active chiral lactones is becoming increasingly important for research in chemistry and biochemistry.

摘要随着手性科学的快速发展，获取手性内酯的单一对映体具有重要的研究和应用价值。

This project focused on the basic research of asymmetric synthesis of optically active drugs or their lead compounds by Chiron approach.

本项目从事手性元途径合成光学纯药物或光学纯药物先导化合物的基础研究。

The electrochem. behavior of myoglobin at a Brilliant Cresyl Blue modified platinum gauze electrode and spiral Pt wire in the BCB solution in optically transparent thin layer cell has been investigated by using cyclic potential-absorbance method and double potential step chronoabsorptiometry.

利用循环电位吸收法和电位阶跃计时吸收法在薄层电解池中研究了肌红蛋白在灿烂甲酚蓝修饰电极上和BCB溶液中的电化学行为。

Although the dense flint and lanthanum crown glass are optically similar before irradiation, they show different transmittance loss after irradiation, dense flint glass having stronger sensitivity to γ-radiation.

尽管重火石和镧冕玻璃光学透射率在辐照前相似，但辐照后的透射率损耗则不同，镧冕玻璃抗辐射能力更强。

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。

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。