spectra

TOEFL

英[ˈspektrə]
美[ˈspɛktrə]

基本释义

n.
范围,光谱; 光谱( spectrum的名词复数 ); 波谱; 范围; 系列

实用例句

This paper discussed the emendation of the luminescent spectra of semiconductor films.

讨论了半导体发光薄膜的光致发光谱修正要点.

期刊摘选

Fig 3 Excitation and emission spectra of indoles and its derivative in DMSO.

图3吲哚及其衍生物的DMSO溶液的激发和发射光谱.

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The absorption spectra and photo damage thresholds of crystals were measured.

测试晶体的吸收光谱和光损伤阈值.

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DPT with 15 N atoms were characterized through 15 N NMR spectra and Mass spectra.

给出了有15N标记的DPT分子 的15N-NMR和MS测定结果.

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Its electronic absorption spectra and fluorescence spectra in different solvents were investigated.

研究了该配合物在不同溶剂中的电子吸收光谱和荧光光谱.

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The formation of acidic groups was examined by IR spectra.

形成酸性组审查了红外光谱.

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This relation between the frequency and the field spectra was noted experimentally.

实验上已经发现频率和场频谱之间的这种关系.

辞典例句

The principle of NIRS, methods of modeling, and the spectra data pretreatment were reviewed.

介绍了近红外光谱分析的技术原理, 常用的几种建模方法以及各自的特点.

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Method: Measure and analysis IR spectra of plastic package using several samplings.

方法: 采用了不同制样方式分析测定常用药用塑料瓶的红外光谱.

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The photochromic properties such as adsorption spectra, reversibility etc are examined by UV.

对全部化合物采用紫外光谱仪进行了吸收光谱 、 可逆性等光致变色性能测试.

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In addition, we have analyzed the electrochemistry, surface photovoltage spectroscopy and fluorescence spectra of these complexes.

除此以外, 我们还对这一系列化合物的电化学 、 表面光电压及荧光性质进行了分析.

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The PVS spectra for GaAs 、 InP 、 InGaAs 、 InGaAsP etc. are reported in this paper.

本文介绍了InP、InGaAs、InGaP、InGaAsP等 的光压港(PVS).

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Furthermore, the influence of the hole size and shape on the transmission spectra are investigated.

除此之外, 我们也观察孔洞大小的变化对穿透图形的影响.

期刊摘选

These motions produce a shift in the position of lines in their spectra.

这些运动使其谱线位置产生位移.

辞典例句

The reflectance spectra ofangle of incidence of the changes by 0.

而这反射光谱将随入射角θ0的改变而变化.

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Continuous spectra are appropriate to the clash of cymbals.

连续谱适合于描写钹的碰撞声.

辞典例句

Results We obtain fairly satisfied water peak inhibition spectra of the serum and urine.

结果以上血清或尿样的波谱图中水峰都得到了较好的抑制.

期刊摘选

Astronomers will have to collect more spectra from these stars to confirm their suspicions.

天文学家们必须要从这些恒星上采集更多的光谱来证实他们的推想。

柯林斯例句

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