查询词典 optical activity

It shows that depth-weighted optical signal is different from the signal only on the top layer of tissue in velocity of upstroke, duration and amplitude and the discrepancy are enhanced with the increase of the probing depth especially in the spiral wave activity.

深度荧光组成的光动作电位与表层细胞光动作电位的上升速度、时程和幅值等有明显差异，其产生的原因和不同深度细胞的跨膜电位处于动作电位不同时期有关。

As a new composite material, conducting polymer composite film has electrical and optical properties of metal and inorganic semiconductor and flexile mechanical performance and processibility of organic polymer as well as electrochemical redox activity.

摘要导电聚合物复合膜作为一类新颖的复合材料，既具有金属和无机半导体的电学和光学特性，又具有有机聚合物柔韧的机械性能和可加工性，还具有电化学氧化还原活性。

As a new composite material, conducting polymer composite film has electrical and optical properties of metal and inorganic semiconductor and flexile mechanical performance and processibility of organic polymer as well as electrochemical redox activity.

导电聚合物复合膜作为一类新颖的复合材料，既具有金属和无机半导体的电学和光学特性，又具有有机聚合物柔韧的机械性能和可加工性，还具有电化学氧化还原活性。

They are widely used in the fields such as catalysis, catalytic supports, selective sorbent, molecular screen, film, electrochemistry, optical element, zymic counterfeit and dyestuff base materials for their good properties of large BET surface area, porosity and large surface activity.

它具有大比表面积、多孔和高表面活性等性能，在催化剂及催化剂载体、选择吸附剂、分子筛、膜、电化学、光学元件、酶仿制品和染料基质等领域显示出广阔的应用潜力。

In recent years, optically active polymers have attracted much attention because of their unique functions such as molecular recognition, optical resolution for racemates and catalytic activity in asymmetric transformations as well.

近年来，光学活性聚合物的合成与结构—性能研究深受国内外学者的高度关注，这是由于这些合成材料具有潜在的应用前景，如：光学活性聚合物可应用于外消旋混合物的对映异构体分离，即光学拆分过程；不对称吸附、手性诱导及许多有机化学反应过程中的不对称催化。

But in the dress designing, the color is causes person's optical impression and the psychological activity most direct-viewing response.

而在服装设计中，色彩是引起人的视觉印象及心理活动的最直观反应。

Based on lots of experiments,this paper analyzes the ingredients of mixed substances through the optical rotational activity spectrum and presents a new way of measuring.

在大量实验的基础上，提出了一种用旋光光谱对混合旋光物质成份进行分析测定的方法。

Compared with traditional method, the inventive optical catalyst has higher activity and high utilization on ultraviolet light.

光催化材料粒径集中分布于10-12nm之间；晶体晶型多为锐钛矿型；较传统方法制备的光催化材料相比光催化活性明显提高；对紫外光的利用率显著提高，且可部分利用可见光。

Keywords: Near-infrared optical imaging; Human brain activity; functional imaging ,Functional Imaging

中文关键词：近红外光学成像；人的大脑活动；功能成像

Optical controlling of neural activity proves to be noninvasive, noncontact, and easy to repeat, which has been harnessed to rapidly activate or silence neurons.

综述了各种光控制神经活动方法的原理、特点及最新进展，分析了其技术发展的趋势。

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。