The non-dispersive infrared method (NDIR) is used to measure CO, CO2 and HC;

使用非扩散红外线（NDIR）光吸收方法分析HC、CO和CO2质量分数；

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The infrared method can circumvent defensive strategies, such as shielding the keypad.

这种红外探测方法可以通过类似隐藏键盘的方式防卫入侵。

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In this paper, we discussed the feasibility of using infrared method to measure the sulfur in it was discussed, and the comparaing with correlative criterion was performed.

对红外法测定灰渣中硫的可行性进行了讲述，并与相关标准进行了比较，进而用数据说明该方法的精确度及准确度符合要求，有很好的应用前景。

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They also will study chemical and physical properties of the soil samples with a method called infrared spectroscopy.

VOA: special.2009.01.20

The other is a non-contact method by detecting intensity of the invisible infrared light that naturally emanates from every surface in this Universe.

FORBES: Body temperature.

Government plans to bolster detection and mitigation capabilities include an infrared sensor that would orbit Venus, as well as a laser system or other method to deflect any threatening meteor away from Earth, they said.

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