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。
2
The method for setting up the radiant coefficient is put forward to solve the infrared radiation temperature measurement problem for motor combustion gas flow field.
提出了解决发动机燃气流场红外辐射测温时辐射系数设置的方法。
3
Infrared sensitive material CaS:Eu, Sm was synthesized by adding sublimate sulphur and using nitrate-urea as raw material system in a low-temperature combustion synthesis(LCS)method.