查询词典 extinction coefficient

The energy band gap, refractive index, and extinction coefficient were calculated and investigated.

该项技术已达到BOC公司用物理沉积方法制备的低热辐射薄膜的水平。

The molar extinction coefficient was lowered because of the presence of heteroatom in above-mentioned molecules, so the UV-vis absorption was weakened, but the brightness of 36a-e fluorescence was increased.

由于N、O和S杂原子的引入降低了卟啉衍生物的摩尔消光系数，因而紫外吸收较弱，但化合物36a-e荧光发射能力增强。

The maximum absorption peak was at long wavelength (＞650nm), extinction coefficient achieves 10〓 degree, which was one degree higher than HpD. The study has revealed that CPD photosensitizer appeared blue movement under the relevant body environment. The spectra parameters provided basis for selecting light source of PDT. Measurement system which measured singlet oxygen and its quantum yields within the infare range had been set up and the quantum yields of singlet oxygen for CPD were reported: the quantum yields of singlet oxygen for CPD〓 was the highest (φ=0.83) while he quantum yields of singlet oxygen for CPD〓 was the lowest (φ=0.83). Photobleaching's half life time was studied.

给出了此类光敏剂的光谱指认和光谱参数：其吸收光谱峰值位于长波红光区(＞650nm)，摩尔消光系数达10〓LmoL〓cm〓量级，比血卟啉衍生物高出一个数量级；研究揭示了此类光敏剂在近似体内环境下光吸收的蓝移现象，为光动力治疗光源的选择提供了依据；建立了在近红外光谱区中测定敏化单态氧的光谱和量子产率测量系统，报导了该类光敏剂敏化单态氧的量子产率，其中CPD〓的单态氧量子产率最高(φ＝0.83)，CPD〓的单态氧量子产率最低(φ＝0.51)；测定了二氢卟吩类光敏剂的光漂白半衰期。

In order to find a powerful assistant computation tool for further analysis and design of multilayer optical coatings,an analytical model is mathematically established for accurate calculation of the first and second derivatives of the spectral coefficients of multilayer optical coatings with respect to layer parameters like thickness,real refractive index and extinction coefficient. It is based on the matrix theory of calculating the spectral coefficients of multilayer optical coatings and is achieved by perfectly using the trace operation of matrix.

为了寻找一种膜系深入分析与设计的有力辅助计算工具，从光学薄膜光谱系数的矩阵计算理论出发，基于对矩阵求迹运算的巧妙运用，从数学上建立了准确计算膜系光谱系数关于膜层几何厚度、实际折射率和消光系数等膜层参数的一阶和二阶偏导数的解析模型。

Design and application of high extinction coefficient microsecond pulse optical shutter［J］.

一种高消光比微秒脉冲光开关的设计及应用。

Laser optics ; smoke screen interference ; numerical simulation ; extinction coefficient

激光光学；烟幕干扰；数值模拟；消光系数

The single optical path method and visibility calibration were used to measure aerosol extinction coefficient.

在研究、分析国外学者的研究基础上提出采用单光路法并结合大气在550nm处的能见度校准的方法测量气溶胶消光系数的研究计划。

Were used to measure the camouflaging mass and extinction coefficient of red smoke screen.

使用中等烟箱、热像仪和FTIR光谱仪等测定了红磷烟幕的遮蔽质量和消光系数。

In absorptive PS, light field attenuates rapidly with the increase of depth and extinction coefficient.

在线性吸收的PS中光强随光进入介质的厚度及消光系数的增加迅速衰减。

The molar extinction coefficient, maximum absorption wavelength, reaction rate constants of trans-cis photochemical isomerization, thermal back-isomerization and photochemical back-isomerization and equilibrium constant of photochemical back-isomerization reaction of a novel photochromic liquid crystalline dendrimer G1 of the first generation containing nitroazophenyl groups on its periphery and small molecular azophenyl moiety M1 in solution were described.

张其震*1，盛昕1，李爱香1，王艳2摘要：研究了树外围含12个硝基偶氮苯基元新型一代碳硅烷光致变色液晶树枝状大分子G1和基元小分子M1在溶液中的最大吸收波长、摩尔消光系数、反-顺光化学异构化反应速率常数、热回复异构化反应速率常数、光化学回复异构化反应平衡常数及速率常数。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了