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The fluorine-containing polymer has an absorption coefficient of less than 4.0 mum- at a wavelength of 157 nm.

这些含氟聚合物的吸光系数在157纳米波长小于4.0μm -1 。

The enhancement factor of IR absorption of CO on nm-Ru/GC electrode has been measured at 33 in 0.1 mol.L－1 NaOH solution,which is more than 2 times larger than the value determined in a 0.1 MH2SO4 solution.

测得在碱性溶液中吸附态CO的红外吸收被增强了33倍，其增强因子是酸性溶液中的两倍左右。

A method for determination of sodium in soil and plant by flame atomic absorption spectrometry was development in this paper, using 330.3 nm absorption line.

研究了利用火焰原子吸收光谱法，采用次灵敏线测定土壤及植物中钠的方法。

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。

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。

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。

The magnesium in rare earth-magnesium intermediate alloy was determined by flame atomic absorption spectrometry with the hyposensitive line of magnesium (202.5 nm) as the analytical line.

以镁的202.5nm次灵敏线为分析线、火焰原子吸收光谱法测定了电解稀土－镁中间合金中的镁含量。

Its UV-vis spectrum exhibits two absorption maxima at 340 and 638 nm.

它的紫外可见光谱在340和638 nm处呈现两个吸收峰。

Curve a in Figure 3 is an absorption spectrum of an aqueous CTAB solution, in which there are no remarkable absorption bands in the region between 230 and 300 nm.

曲线A在图3是一个吸收光谱一水CTAB的解决方案，在其中有没有显着的吸收谱带在该地区之间的230和300 nm左右。

In ethanol medium, The molar absorptivity is 6.99×10^4 Lmolcm^(-1) at 550 nm.

银含量在0~1.2gmL^(-1)范围内符合比尔定律。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。