查询词典 absorption

In stellar spectra, the H - epsilon line ( transition 7-2) is often mixed in with another absorption line caused by ionized

在恒星光谱中，H -ε线(7跃迁至2)经常会与其他的吸收谱线混合，天文学家都知道电离的

Keywords: quasar absorption line systems; semi-analytical models; galaxy formation; simulations

中文关键词：类星体吸收线系统；半解析模型；星系形成；数值模拟

Due to the multi-resolution feature of the wavelet transform, the signal that is reconstructed, after using the Birge-Massart strategy to deal with the wavelet coefficient, could be de-noised without losing the power of the absorption line.

根据小波变换多分辨率的特点，对受噪声污染的光谱信号进行小波变换，按照Birge-Massart策略对其小波系数进行阈值处理，实现在保留吸收峰信息的同时去除噪声的目的。

In the hydraulic system uses the accumulator, may the absorption line shock maximum limit, reduce to the variation of load to the adhesive tape the impact, enhances adhesive tape's service life.

液压系统中采用蓄能器，可以最大限度的吸收液压冲击，减小对负载变化对胶带的冲击，提高胶带的使用寿命。

Laser technique ; modulation-free laser frequency locking ; acousto-optic modulation ; molecular absorption line

激光技术；无调制锁频；声光调制；分子吸收线

To control the Bragg wavelength, a lock-in amplifier is used, and the output wavelength is locked at the C2H2 absorption line of 1530.37 nm.

利用锁定放大器闭环控制布拉格波长，将激光器的输出波长锁定在乙炔气体1530.37nm的吸收峰上，24h内频率稳定度达10^-8。

In view of the the difficulty of mixture gas's characteristic absorption spectrum line overlapped, a novel seriatim mixture gas recognition method based on Support Vector Machine two classes classification and recognition model was presented.

针对混合气体种类光谱识别中组分气体特征谱线重叠严重的问题，将支持向量机用于混合气体种类光谱识别中，提出了一种基于支持向量机二值分类识别模型的逐一混合气体种类识别方法。

A method for the determination of high-content of copper in copper materials by flame atomic absorption spectrophotometry using sub-sensitive spectral line at 249.20 nm is reported in this paper.

中文摘要：利用铜的原子吸收光谱次灵敏线249.20 nm，并适当偏转燃烧器角度，原子吸收分光光度法测定含铜物料中的高含量铜。

To assess the importance of quasar outflow we have performed a series of studies on broad absorption line quasars, and have obtained the following results.

为了确定外流的重要性，中国科学技术大学天体物理中心开展了宽吸收线类星体的一系列研究，取得了一些进展：(1)宽吸收线区的紫外吸收物质的柱密度比原来预计高出2个量级，低电离吸收线形成于饱和的高电离吸收线区；(2)射电宁静的宽吸收类星体吸收物质主要在赤道面，并且不同的源吸收物质分布情况很不相同，而在射电强的类星体中，赤道和极向外流都是可能的；(3)共振散射线偏振表明，外流物质携带角动量。

Frequency modulation ; magnetic rotation spectroscopy ; absorption line shape ; dispersion line shape.

频率调制；磁旋转光谱技术；吸收线型；色散线型

After explaining total design of automated test system for microcircuit , the thesis introduces GPIB standard .

文章在说明了微电路模块自动测试系统的总体设计后，对GPIB标准进行了介绍。

He interceded in my behalf.

他替我说情。