The specimen was heated and burnt in oxygen fluid in high-frequency induction furnace. Carbon in specimen was transformed into carbon dioxide, and then determined by infrared absorption method.
试样于高频感应炉的氧气流中加热燃烧。使样品中的碳全部转化为二氧化碳，红外检测。
The results show that the infrared absorption spectra contains much information of carbon nanotubes, and is an effective method of studying the lattice dynamics of carbon nanotubes.
结果表明，红外吸收光谱包含有碳纳米管的许多信息，是研究其晶格动力学的有效方法。
Based on the infrared spectrum absorption characterization of methane gas, the long optical distance differential absorption method for methane detection is studied.
基于甲烷气体的红外光谱吸收特性，研究了长光程差分吸收式甲烷气体检测的方法。
It provides a testing method, that is to use the infrared absorption spectra, to discuss the variations of regular chain folding in the terylene fibre in technical processing.
为利用红外吸收光谱研究涤纶及其织物在加工工艺过程中规则折叠链的变化提供了测试方法。
A rapid, sensitive, simple and convenient method for the determination of sulfur in foods and vegetables by high frequency induction combustion-infrared absorption photometry is reported.
本文利用高频红外法测定粮食和蔬菜中硫含量，它是一种快速、灵敏和简便的方法。
The completeness of zircon texture is determined by using physical determination method such as X-ray diffraction analysis and infrared absorption spectroscopy so as to divide the types of zircon.
利用物理测试方法，如X衍射和红外光谱等方法，测定锆石结构的完整性，进而划分锆石类型。
The completeness of zircon texture is determined by using physical determination method such as X-ray diffraction analysis and infrared absorption spectroscopy so as to divide the types of zircon.
利用物理测试方法，如X衍射和红外光谱等方法，测定锆石结构的完整性，进而划分锆石类型。
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