1) near field absorber
近场吸收体
2) near infrared absorption of gas
气体近红外吸收
3) weak absorber approximation
弱吸收体近似
4) near infrared absorption
近红外吸收
1.
The filter can provide a good transparency and near infrared absorption tested by the digital camera and the spectrophotometer,the decentralization of NIR1 in the surface of the filter is also studied.
以聚甲基丙烯酸甲酯(PMMA)为基体,近红外吸收染料(NIR1)、光稳定剂为添加剂,采用溶解共混的方法制得了吸收型近红外滤光片。
5) near infrared spectral absorption
近红外吸收
1.
Based on the near infrared spectral absorption of gases,an optical fiber gas sensor for multi-gas detection is described.
基于气体的近红外吸收机理,研究了一种可以检测多种气体的全光纤传感方法,采用光纤光栅波分复用技术,通过光纤光栅和压电陶瓷(PZT)对宽带光源LED进行波长调制,获得与相应气体吸收峰相对应的窄带反射出射光,检测二次谐波,实现对多种气体的较高灵敏度测量。
2.
Based on the near infrared spectral absorption of acetylene, aimed at the defect of low sensitivity of absorption measurement by wideband light source directly, detection of concentration of acetylene is realized by harmonic measurement technology with wideband light source and comb type filter (Fabry-Perot cavity) to obtain the comb type spectra adaptive to acetylene.
基于乙炔的近红外吸收机理,针对采用宽带光源直接进行吸收检测灵敏度不高的缺点,应用宽带光源和梳状滤波器(Fabry-Perot腔)来获得与乙炔气体梳状吸收峰相适应的出射光,来实现乙炔气体浓度的谐波检测,使由于气体吸收而引起的相对输出光功率变化大大提高,检测效率得到改善。
补充资料：配位体场吸收带
分析化学中，配位体场吸收带指的是过渡金属水合离子与显色剂（通常是有机化合物）所形成的配合物，吸收适当波长的可见光或紫外光，从而获得的吸收带。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条