The spectra and photophysics of 2-aryl-benzoxazole derivatives have been studied in this work.

对2-芳基苯并唑衍生物的光谱及光物理行为行研究。

Spacewalking astronauts installed an 88-million-dollar spectrograph designed to detect faint light from faraway quasar .

太空漫步宇航员安装8．8千万美元的光谱仪，用于探测来自遥远类星体的微弱光线。

The Cavity ringdown spectroscopy is a new spectroscopic technique.

光腔衰荡是新的光谱技术。

35. Ethylene and trans-dichloroethylene are both inactive in the infra-red in this region .

乙烯和反式二氯乙烯在红外光谱的这个区域都无活性。

Cathodoluminescence (CL) spectra show a strong band-edge emission around the V-shape pits.

阴极射线的萤光光谱显示很强的能隙光强度在V形凹洞的生。

Spectral luminous efficiency curve for photopic vision.

明视觉的光谱光效曲线。

Photographic silver halide emulsious are spectrally sensitized with a tricarbocyanine dye .

照像卤化银乳剂是用三碳菁染料行光谱增感的。

According to the spectroscopic characteristics of haemoglobin and oxyhaemoglobin,this paper present a new system for monitoring the arterial oxygen saturation.

根据血红蛋白和含氧血红蛋白的光谱特性，提种监测动脉血氧饱和度的新系统。

Fluorescence spectra of 5-sulfosalicyclic acid (SSA) were studied.Using quinine bisulphate as a reference, fluorescence quantum yield of SSA was measured.

2．研究SSA的荧光光谱，以硫酸奎宁为参比，测量SSA的荧光量子产率。

The principle of secondary spectrum is introduced and the equations of designing apochromatism objective lens based on wave aberration are presented.

介绍二级光谱的基本原理,给波差法设计复消色差物镜的方程组。

We detected and compared the transmission spectra and reflection spectra of the filter glass and leafs with the spectrofluorimeter and spectrophotometer.

利用该简便方法,在荧光分光光度计上分别对滤光片和叶片行透射光谱和反射光谱的测绘,并与紫外-可见分光光度计上的测绘结果行比较,两者基本致,证明该法是可行的。

Using lead benzoxy as curing agent,cured epoxy resin was analyzed by means of IR spectrum and DSC curves.Lead benzoxy was considered to be catalytic curing agent.

采用苯甲酸铅做固化剂，通过对环氧树脂固化物的红外光谱及DSC曲线分析，认为苯甲酸铅是种催化型固化剂。

Abstract A method is suggested to determine the absolute configuration of ent kaurene diterpenoids by analysing the circular dichroism spectral data of 13 hydroxy ent kaurenoids.

摘要通过系列13羟基对映贝壳杉烯二萜的园二色散光谱的数据分析，提种确定对映贝壳杉烯二萜绝对构型的方法。

The proposed method was applied to extracting pure spectra and determining background of a two component system which consists of dichloroethane and propanone, satisfactory results were obtained.

本方法用于二氯乙烷及丙酮中各组分红外光谱的提取，获得满意的结果。

The deductive method of atomic spectral terms for equivalent and nonequivalent configurations is the key part of the study of quantum chemistry, structural chemistry and atomic physics.

等效组态和非等效组态原子光谱项的推求方法是量子化学、结构化学和原子物理学研究的重要内容。

However, absorption peak of Sexadentate Titanium was not detected at the high temperature. it might not be detected by IR Spectra because of too little Titanium phase.

添加5% 的样品，低温检测到有四配位的钛存在，但是高温时却未检测到六配位的钛离子的吸收峰，这可能是由于生成的含钛晶相太少，红外光谱未能敏感的检测到。

Abstract： Using lead benzoxy as curing agent,cured epoxy resin was analyzed by means of IR spectrum and DSC curves.Lead benzoxy was considered to be catalytic curing agent.

摘 要： 采用苯甲酸铅做固化剂，通过对环氧树脂固化物的红外光谱及DSC曲线分析，认为苯甲酸铅是种催化型固化剂。

The IR spectra of hydrogel, alcogel and aerogel of BaFe12O19 were studied, and the ones of the powders calcined at different temperatures for different time were also studied.

对钡铁氧体的水凝胶、醇凝胶以及气凝胶的红外光谱行初步的观察，同时对不同焙烧温度及时间所得粉末的红外吸收光谱行考察。

The fluorescence spectra of the system after the CL reaction and the CL spectra of the lucigenin system were studied.The possible mechanisms for CL enhancement and inhibition have been proposed.

通过研究光泽精CL反应混合物的荧光光谱以及光泽精体系的CL光谱等,提其增强和抑制作用的可能机理。