根据红外光度法油含量测量的原理，用三波长非分散红外光度法设计了全自动红外测油仪。

According to the principle of the infrared photometry for measuring oil content, an automatic infrared oil content analyzer based on the three wavelength nondispersive infrared photometry is designed.

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根据铁路主要企业含油工业废水中油种来源及污染源特点，非分散红外光度法为首选方法。

As the characteristics of different oils in the industrial waste water and pollution sources of the railway enterprises, the non dispersion infrared photometry is the first selection.

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