查询词典 optical activity

Selective doping has been proved to be a semiconductor oxide improve the photocatalytic activity of the most effective ways The introduction of certain metal ions can greatly improve the photocatalytic oxidation efficiency, Recently, a lot on the adoption of the doping to improve the photocatalytic oxidation performance reports, doped semiconductor photocatalysis material because of its physical and optical properties change, thereby improving the photocatalytic properties.

有选择性的进行掺杂已被证明是一种提高半导体氧化物光催化活性的极其有效的方法，掺入一定的金属阳离子能极大的提高TiO2的光催化效率，最近有大量的关于通过掺杂来提高TiO2的光催化性能的报道，掺杂的半导体光催化材料由于其物理和光学性质的改变，通过扩展光响应范围和提高光生电荷的分，从而提高了光催化性能。

Active galactic nuclei activity in the form of expression in:(1) intense light changes, that is, optical and radio radiation intensity over time, there are Big changes;(2) is very strong luminosity, even more than the Eddington luminosity;(3) significant non-thermal radiation, especially in the infrared region of the non-thermal radiation reached the maximum;(4) a strong movement and a huge gas jet stream.

活动星系核活动的形式表现在：（1）剧烈光变，即光学和射电辐射强度随时间有很大变化；（2）非常强的光度，甚至超过爱丁顿光度；（3）巨大的非热辐射，尤其在红外区的非热辐射达到最大；（4）强烈的气体运动和规模巨大的喷流。

The silicon germanium oxide composite nano line produced in the method has the properties of good fluorescence activity, large specific surface area, adjustable length and thickness; thus the silicon germanium oxide composite nano line is expected to be applied to a plurality of fields such as advanced catalyst design, biological fluorescence label, nano component assembly, microscopic conduction and synthesis of advanced optical, electrical and magnetic material and has potential application value.

通过该方法制备的硅锗氧化物复合纳米线具有很好的荧光活性、大的比表面积以及粗细、长短可调控的性质，因此这种硅锗氧化物复合纳米线有望在许多领域例如先进催化剂的设计、生物荧光标记、纳米器件组装、微观传导以及先进光学、电学和磁学材料的合成中有潜在应用价值。

The hydantoin convert enzyme used in this essay is D2 hydantoinase, which has very high convert activity for D2 hydantoin. Therefore, if the used process of conversion do not occur the enzyme, the racemizatoin of hydantoin will be a speed limited step for the process that hydantoinase produce optical active amino acid.

本文采用的海因转化酶系中所含为 D2海因酶，对D2海因的转化活性非常高，由此可见，如若采用的转化体系中没有消旋酶的存在，则海因的消旋成为海因酶转化生产光学活性氨基酸的一个限速步骤。

In this paper, we studied the effect of sterilization on different bacteria and cyanobacteria in variant water sample of micro-electrolysis and high voltage electrostatic field, and the effect of physiological activity on E.coli and the characteristic optical absorption peak of phycocyanin of micro-electrolysis. The mechanism of sterilization and algae killing was approached.

本文研究了微电解、高压静电场作用对于不同水样中的不同种类的细菌和蓝藻的杀灭作用，以及微电解作用对于大肠杆菌的生理活性和对于蓝藻细胞内藻胆蛋白的光吸收特性的影响，探讨了杀菌灭藻的机理。

It can cause a series of observation effects, such as star-spot activity, optical flare events, the uneven distribution of the chemical element abundances, stellar wind, the changes of the orbital period and the chromospherically activities.

它能引起一系列的观测效应，如光球表面的黑子活动、光学耀斑事件、化学元素丰度不均匀分布、星风、双星系统的轨道周期变化和色球活动等等。

Heknew several kinds of foreign languages, such as French, Russian andEnglish. In his youth he studied and worked in the University ofParis, where he had made some important achievements in the studyof optical activity.

他精通法、英等数种外语，早年曾学习和工作在巴黎大学研究室，在旋光研究方面有重要的创造发明。

IV.The electro-optic phenomena were investigated, which was not in common with that of KD2PO4 for the optical activity.

由于旋光的存在，LGS电光现象不同于常见的磷酸二氘钾(KD_2PO_4，DKDP)电光晶体。

After isolating and purificating,the crystals were identical to authentic L-Tryptophan,in respects of melting point,optical activity and IR-spectra.

经分离纯化所得的L-色氨酸晶体，在熔点、旋光性和红外吸收光谱等方面与标准品完全一致。

Showing no optical activity in polarized light .It is so bright that it outshines the stars making them look invisible.

相比之下，其他星星就显得黯淡无光，因而不是很容易被发现了。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。