A practical gas sensing system utilizing absorption spectrum scanning techniques was developed.
提出一种基于窄带气体吸收光谱扫描技术的气体定量测量系统。
The distribution of elements at the sulfidation reaction product section of a sodium salt-modified desulfurization agent was analyzed by using the energy-spectrum scanning function of SEM.
利用SEM的能谱扫描功能，对钠盐调质脱硫剂硫化反应产物断面元素分布进行了分析。
The article describes a new method of measuring semiconductor laser spectrum by plane scanning interferometer.
本文描述了用平面扫描干涉仪测量半导体激光光谱的一种新方法。
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