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The luminescence properties were investigated with PL and PLE spectra.Emission peaks were at about 450 nm.This emission was ascribed to the recombination between the sulfur vacancy-related electron trap donor having an energy level just below the conduction band and the Ag-related hole trap acceptor above the valence band.

通过发射光谱和激发光谱对产品的光学性质进行研究,发射峰位于450 nm左右,归属于硫空位相关的电子陷阱施主和银相关的空穴陷阱受主的复合;激发峰位于333 nm左右,归属于ZnS基质的带边吸收。

The coefficient of non-algal particulates is decreasing with the increase of wavelength, which can be described by exponential law.

非藻类颗粒物的吸收系数随着波长的增大而减小,可用指数衰减规律来描述;光谱斜率S较离散,但平均值与文献报道的一类水体S的平均值很接近;光谱截距ad0(λ0)随盐度增大而减小,二者有很好的线性关系。

However, if the spectrum distribution of the objective in the field is different, and its difference mainly reflected in a fix band with different monotone, then, the goal of identifying the object could be done by changing photosenser response band and enhancing the contrast of object and background.

但是若视场中的目标具有辐射光谱分布差异,且其光谱分布差异主要体现在某一固定波段具有不同的单调性,那么可以通过有选择地改变光电传感器的响应波段,来提高目标与背景的对比度,从而也可以达到辨识目标的目的。

The effects of excitation light source , grating of spectrometer and emis sion detector et al on the fluorescent spectra are studied.

介绍了荧光光谱测量系统的测量原理,讨论了激发光源、单色仪光栅、样品的制备、激发光的激发位置和入射角、探测器、荧光光谱波段等测量条件的选取对激光玻璃荧光测量结果的影响。

Based on the theory about hydrogenous mineral's absorption of near infrared spectrum, the article introduces the design principium and method as well as the guideline test and software module of BHKF-1 near infrared mineral analysis instrument.

摘 要 基于含氢基团的矿物对近红外光谱吸收作用的理论,介绍BHKF-1型近红外矿物分析仪的仪器原理、设计方法及其指标测试,以及软件模块,详细阐述矿物定性分析和定量分析方法,通过岩芯和剖面样品光谱数据建立模型,数据处理结果反映的地质情况,与所测矿床实际情况相符,证明仪器的有效性,可以在地质工作中发挥重要作用。

The purpose of this paper is to find a new effective method for cancer or cancer in its incipience diagnosing, especially by way of conventional physical exam to obtain information about cancer development, by laser induced blood serum fluorecence and resonance Raman spectra.

将激光荧光光谱技术和激光共振喇曼光谱技术用于癌症患者血清的诊断研究,从而找出一种有效的能够用于癌症诊断或早期癌症诊断的方法,特别是能够在常规体检中发现癌症信息的方法,对于癌症治疗和诊断具有重要的意义。

The completely diagonalized Hamiltonian matrices of 3d2/3d8 ion configuration in the trigonal symmetry sites have been established by irreducible representation method. Taken into account microscopic magnetic interactions, the spectral fine structure, local structure and zero-field splitting parameters of V3+:α-Al2O3 and Ni2+:α-Al2O3 crystals are investigated as well as the influence of the doping.

应用不可约张量方法构造了三角晶场中3d2/3d8态离子的45阶可完全对角化的能量哈密顿矩阵,在考虑了微小磁相互作用的基础上计算了V3+:α-Al2O3和Ni2+:α-Al2O3晶体的光谱精细结构、晶体局域结构和零场分裂参量,研究了掺入Ni2+和V3+对α-Al2O3晶体光谱精细结构、晶体局域结构和零场分裂参量的影响。

An fluorescence spectral method is proposed to analyze liverish, nephrotic and diabetic sera. The aim is to find difference between serum of healthy human and liver diseases patients in polarization fluorescence spectra.

本论文应用激光光谱技术,对肝病、肾病及糖尿病患者的血清进行光谱分析,试图探讨正常人与病变患者的血清中的代谢产物在光谱上的差异,从分子水平研究细胞病变的可能机制。

Visual inspection of spectra shows that the differences observed in spectra of different cells in band intensities at 1603cm^(-1)(C=C in-plane bending mode of phenylalanine and tyrosine) and 1616cm^(-1)(C=C stretching mode of tyrosine and tryptophan) are obvious. This can be used as the marks for blood cell of defferent species. And LTRS is a useful tool for the blood cell analysis.

结果显示不同物种血红细胞的拉曼光谱在1603cm^(-1)苯丙氨酸和色氨酸的C=C平行振动模及1616cm^(-1)酪氨酸和色氨酸的C=C拉伸模有明显的差异,这可以用来作为不同种血红细胞鉴定的特征标记,表明激光镊子拉曼光谱技术可以成为血红细胞分析的有效手段。

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。

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