查询词典 spectral

In this thesis we focused on the research of spectral distribution of large dimensional matrix and its application in multivariate statistical analysis.

本文的研究工作主要集中在大维样本协方差矩阵谱分布的理论研究及其在多元统计分析中的应用。

At the same time, the electron energy distribution of NEA photocathode has been calculated. In chapter 3, the development of the dynamic spectral response measurement system is introduced in detail.

根据国内外NEA光电阴极的研究现状，提出了国内在NEA光电阴极研制方面存在的问题，阐述了本文的研究背景和意义。

The relationship between spectral line intensities from different species in the plasma and neutron yield and shot number shows that: with high neutron yield, the deuterium ionization degree is high; nitrogen and oxygen atoms are also ionized to a higher ionization state; electron beams emitted at the collapse time of plasma pinch column may cause strong electrode sputtering processes.

可见光谱中氘、金属材料Cu、Fe和空气成分O、N的原子或离子谱线强度与中子产额和放电次数的关系证明：中子产额高时，氘气的电离率高，N、O等杂质气体也被电离到高电离态，焦点箍缩柱崩溃时发射的强电子束可以引起强电极溅射过程。

Based on the above analysis, I have discussed the similarities between spectral and timing properties of neutron star and black hole X-ray binaries.

基于以上分析，我讨论了低光度下中子星和黑洞X射线双星的相似性和对未来研究的展望。

These results of investigation are significant to the high-precision measurement of spectrum and the research of new-style spectral switch.

这一结果对光谱的高精度测量以及新型的光谱开关的研究具有较重要的意义。

Details of the measurement method and of the related calibration techniques are reported. Results of the normal spectral emissivity of niobium at 633, 753, 827, and 905 nm from room temperature to its melting point are presented.

文中详细介绍了测量方法和测量装置的各组成部分及其工作原理，给出了利用该方法测得的铌在633，753，827和905nm波长下的法向光谱发射率结果，测量不确定度在5%以内。

XRD and Raman spectral analyses both show there exists NiSi phase but no NiSi2 phase in the NiSi film.

经XRD和Raman光谱分析表明，薄膜中只存在低阻NiSi相，而没有高阻NiSi2相生成。

In this thesis, theoretical and experimental studies on spectral broadening byusing hollow fiber filled with noble gas are described.

本文对利用充惰性气体的中空光纤进行光谱展宽进行了理论和实验研究。

In this paper constructed the projection operator s of all the inequivalent and irreducible presentation which attributes to C_(2v) group,according to these projection operator s composed the twenty-four normal modes of vibration and their normal coordinates,and analyzed the spectral properties of these vibration modes.

利用群论方法构造出属于C2v群的各不等价不可约表示的投影算符，应用求得的投影算符合成丙酮分子的24个简正振动模式及简正坐标，并分析其振动模式的光谱特性

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。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷