光谱

基本解释 (translations)

spectra  ·  spectrum

词组短语

action spectrum · light spectrum · optical spectrum

与光谱相关的网络例句 [注：此内容来源于网络，仅供参考]

With the establishmentof the equivalent medium model, RTM-DRE was applied to study radiative transfer intransparent medium with scattering particles. By taking into account of absorption andscatter of particles, absorption of binder and reflection of interface, the apparent spectrumabsorption model of thermal control coatings was developed by RTM-DRE combined withMies theory. Validity, computational error and time of the model were validated andanalyzed. Furthermore, the apparent spectrum absorption characteristics of thermal controlcoatings were studied, and the influences of optical characteristics of binder and particles,volume fraction of particles, particles diameter, characteristics of interface, and incidentangle of irradiance were analyzed.

采用RTM-DRE研究热控涂层内辐射传递，结合Mie氏散射理论，考虑粒子吸收与散射、基料吸收、界面反射等因素影响，建立热控涂层表观光谱吸收率计算模型，验证计算模型的正确性，分析计算模型的计算误差与计算时间；在此基础上，通过计算热控涂层表观光谱吸收率来研究热控涂层表观光谱吸收特性，分析基料与粒子光学特性、粒子体积份额、粒径、界面反射特性、辐射能量入射角等因素的影响，初步研究空间环境因素对热控涂层表观光谱吸收特性的影响，采用系统灵敏度理论定量分析热控涂层表观光谱吸收特性变化对卫星温度的影响。

The effects of excess air coefficient and cylinder pressure on these spectra are also studied. The experimental resultS show that the three different combustion phases in a gasoline engine have different combustion characteristic spectra: a large number of atoms, molecules, ions and radicals which are in their excited states are existing during the ignition process, with the development of the combustion, the spectra intensities of CH, C2 radicals increase rapidly.

实验结果表明，汽油机三个不同的燃烧阶段具有不同的燃烧光谱特征：着火过程中，存在着大量的处于激发态的分子、原子、离子、自由基等活化中心的束缚态光谱，随着燃烧发展，CH、C2自由基的光谱强度明显加强；当减小过量空气系数时，光谱强度变弱并且着火延迟期增长；自由基特征光谱的光强变化曲线可以反映它们在燃烧过程中的浓度变化。

The axial direction and radial direction spectrum is blue-shift or red-shift. On axial direction, the blue-shift or red-shift increases with the relative propagation distance, truncation parameter, refractive index constant increases and temporal coherence length decreases, and the spectral-shift gurgitation becom gragually steady. On radial direction, spectral switches appear, and the truncation parameter, spatial coherence parameter, temporal coherence length and refractive index constant also influence critical position and transition height et al.

光谱沿轴向、径向均出现蓝移或红移，随着相对传输距离、光阑截断参数、空间相干参数及折射率结构常数的增大，脉冲时间相干长度的减小，轴向光谱蓝移量或红移量逐渐增大，并且由明显地起伏逐渐趋于稳定，沿径向出现了光谱开关，光阑截断参数、脉冲时间相干长度、空间相干参数和折射率结构常数对光谱开关的数目、光谱开关的临界位置和光谱跃迁量等也产生影响。

Under the guide of phase equilibrium results, over 150 new solid complexes were prepared. IR, reflecting, UV, FS, and Ramman spectra for these complexes were investigated and the regularity of "Tripartite effect","Tetrad effect","Nephelanxetic effct","Oddo Harkins" was observed.

在相平衡结果指导下制备了150余种新型固态配合物，研究了它们的IR光谱、反射光谱、UV光谱、FS光谱和拉曼光谱，发现了其中存在的"三分组效应"、"四分组效应"、"电子云扩大效应"、"Oddo-Harkins规律"。

Then through solving that equation, a set of nonnegative linear independence weight vectors of principal components was obtained, by which a low-dimensional spectral space was spanned.

针对经典主成分分析法进行多光谱图像数据降维会使重构光谱反射比出现负值的问题，提出一种非负主成分分析法，并用该法构造低维光谱空间，实现高维多光谱数据与低维光谱空间的转换。

The object of this study is to cancerous and normal cells intimacy of hematoporphyrin derivative for diagnosis and therapy cancer, fluorescence spectra of cancerous and normal cells are measured using a ultrashort pulses laser spectral technique and picosecond time-correlated single-photon counting system.

研究用于癌症诊断与治疗的光敏剂血卟啉(hematoporphyrin derivative， HPD)对人体癌细胞与正常细胞的亲和性，采用超短脉冲激光光谱技术和皮秒时间相关单光子计数系统，测量经血卟啉培养的活体癌细胞与正常细胞的荧光光谱，观测到癌细胞样品在创645nm处具有特有的光谱谱峰；测量不同浓度血卟啉荧光光谱，观测到随着血卟啉浓度的逐渐增大，在645nm处出现的光谱峰也随之显著增强。

Mainly research results were as follows:(1)Proper scanning conditions which were used for establishing NIRS nondestructive detecting models were confirmed.The results of test indicated that proper scanning times was 1 times to one point;proper scanning manner was 2 times by 180°running to several points; the enactment of scanning parameters simply satisfied the condition that the spectral line of samples and the spectral line of contrast were tangent in conquest line;it can obtain the greatest prediction performance with the spectral data which were determined in an aphotic room absolutely.

具体的研究结果如下：(1)南果梨近红外透射光谱的适宜扫描方式为以果柄-果蒂为轴1 80°转动扫描2次、适宜的光谱扫描次数为单测点扫描一次、扫描参数的设定只要满足待测样品光谱曲线和参照物光谱曲线均在特征峰处相切于征服线即可，光谱测定的最佳环境条件为在完全遮光的房间内进行样品光谱的采集。

In sparkle discharge ,following conclusions could be reached:(1) overall spectral intensity in nitrogen is lower than in oxygen . When water is added, integrality light intensity is lower compared with the pure gas condition.(2) No matter it is nitrogen or oxygen, when water is added, syllabify three spectral lines of atomic H: Hα(656.3nm), Hβ(486.1nm), Hγ(434.0nm) could be seen. What is more, when water is added into oxygen, the spectral line of H atom becomes stronger.(3) When discharge in pure nitrogen, the light intensity falls with the increasing gas flow rate. While if water is added, the light intensity will rises with the increasing gas flow rate.(4) When discharging in pure oxygen, the light intensity rises with increasing gas flow rate. While if water is added, with increasing gas flow rate the light intensity initially will change as this:first rise, then saturate at about 140l/h, finally falls.

在火花放电中：(1)氮气的整体光谱强度要弱于氧气的整体光谱强度，加水时的整体光谱强度比纯气体中放电小很多；(2)无论所通为氮气或氧气，加水时可以清晰的看到Hα(656.3nm)，Hβ(486.1nm)，Hγ(434.0nm)三条氢原子的谱线，而且在氧气加水的情况下产生的H原子的谱线要强些；(3)纯氮气中放电时随着气流量的增大放电光谱的强度随之降低，氮气加水放电时随着气流量的增大放电光谱的强度随之升高；(4)氧气放电时，随着气流量的增大，放电光谱的强度随之升高，氧气加水中放电时随着气流量的增大，放电光谱的强度开始随之升高，在140l/h时的值最高，接着就开始下降。

A computerized welding arc spectrum information sampling and processing system are developed to study of the ultraviolet spectrum distribution feature. Corresponding softwares also is developed. A process for sampling the ultraviolet spectrum automatically and the real-time monitoring of welding parameter are realized. based on the principles of the physics of arc and spectroscopy the information of welding arc ultraviolet spectrum sampled is changed and processed.

焊接电弧紫外光谱信息的计算机采集与处理系统*韩国明吴钊柳刚云绍辉李俊岳摘要以焊接电弧紫外光谱的分布特征为研究对象，研制了一套焊接电弧紫外光谱计算机采集与处理系统并开发了相关软件，实现了紫外光谱采集过程的自动化、焊接电流与电弧电压的实时监测，并在电弧物理和光谱学原理的基础上，对采集的焊接电弧紫外光谱信息进行变换和处理。

In order to obtain infrared spectral radiance distribution of some infrared sources, such as spectral radiant flux density, spectral radiant intensity, spectral radiance and spectral irradiance, the instrument response function under different conditions must be known.

在应用红外发射光谱来获得某些红外源的绝对光谱能量数据，如辐射源光谱辐射通量密度、辐射源光谱辐射强度、辐射源光谱辐射亮度及光谱辐射照度等时，需要得知不同条件下的仪器响应函数。

与光谱相关的网络解释 [注：此内容来源于网络，仅供参考]

spectral absorption curve：光谱吸收曲线 光谱吸收曲

spectator psychology of acrobatics 杂技观众的心理学 | spectral absorption curve 光谱吸收曲线 光谱吸收曲 | spectral chromaticity locus 光谱色度轨迹

flash spectrum：闪光光谱,闪光谱

flash spectroscopy 闪光光谱学 | flash spectrum 闪光光谱,闪光谱 | flash spinning 闪蒸纺

fluorescence spectrum：荧光光谱

采用紫外光谱(uV-spectrum)、荧光光谱(fluorescence spectrum)以及红外光谱(FT-IR spectrum)分析了SAPP以及其MTGase-聚合物的结构特征.紫外光谱结果显示MTGase催化SAPP导致它的多肽链的侧链结构发生了变化,Tyr和Trp残基的吸收峰红移说明其Ca原子的构型从非平面型转变为平面型,

spectral multiplicity：光谱复度

spectral migration 谱偏移 | spectral multiplicity 光谱复度 | spectral pattern 光谱特性曲线;光谱分布曲线;光谱图样

spectral sequence：光谱序,光谱序列

spectral sensitivity peak 光谱灵敏度峰值 | spectral sequence 光谱序,光谱序列 | spectral shape 频谱形状

spectrally selective photodetector：光谱选择光电探测器,光谱选择性光电探测器

spectrally selective nature 光谱选择性 | spectrally selective photodetector 光谱选择光电探测器,光谱选择性光电探测器 | spectro analysis of isotopes 同位素光谱分析

spectrally selective nature：光谱选择性

spectrally pure colour 光谱纯色 | spectrally selective nature 光谱选择性 | spectrally selective photodetector 光谱选择光电探测器,光谱选择性光电探测器

spectroradiometric quantity：光谱辐射量

spectroradiometer 光谱辐射计 | spectroradiometric quantity 光谱辐射量 | spectroradiometry 光谱辐射度量学,光谱辐射测量法

spectroradiometry：光谱辐射度量学,光谱辐射测量法

spectroradiometric quantity 光谱辐射量 | spectroradiometry 光谱辐射度量学,光谱辐射测量法 | spectroscopes, interference spectroscopes,spectrographs 分光镜,干涉分光镜,摄谱

spectral radiant energy：光谱辐射能,光谱辐射能量

spectral radiant emittance ==> 光谱辐射度,光谱辐射率 | spectral radiant energy ==> 光谱辐射能,光谱辐射能量 | spectral radiant exitance ==> 光谱辐射出射度