查询词典 preferential absorption

In this paper, we got the regularity of cavity ring-down spectroscopy when the line width of laser pulse is far larger than the absorption line width of measured substance.

本文研究了当激光脉冲线宽远大于被测吸收物质的吸收线宽时，衰荡光谱满足的规律，以及在这种情况下，测量灵敏度的大小。

The laser frequency is stabilized by absorption spectrum line of atoms in magnetic field.

这种方法能够将激光频率稳定地锁在原子吸收谱线的峰值处，锁频后激光器不易失锁，用于激光冷却铷原子实验。

We would recommend the 1.9 um cutoff InGaAs photodiode for operation at the 1.66 um absorption line.

我们推荐在1.66微米的吸收线上采用1.9微米切割铟镓砷。

A 1×N wavelength division multiplexer with one channel corresponding to the absorption line of acetylene within the transmission window of 1530 nm was used in the WDM active sensing network.

实验中采用了一个1×4的波分复用器，其通道对应于乙炔气体的吸收波长，系统的解调通过扫描可调谐光滤波器的波长来实现。

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。

I was up all night because I was in pain, she said.

我整夜，因为我在疼痛，她说。

A crow caws /craoks.

乌鸦叫。 51-论文网