Studying the absorption characteristic of SO2 flue gas is the base of online monitoring. The temperature and pressure have different effect on absorption cross-section.
研究SO2吸收性是光谱法在线监测的基础，被测环境的压力和温度等因素对SO2吸收截面有不同程度的影响。
On the base of preparing rear earth ethyl salt. We obtained doped rear earth ion solid film sample of PMMA and we also tested it's absorption curve.
在制备稀土辛酸盐的基础上，得到了掺杂稀土离子的聚甲基丙烯酸甲酯(PMMA)固体薄膜试样，测得固体薄膜试样的吸收曲线。
After analyzing the theory of near-infrared selective absorption of gas, we describe the academic base of the measurement of the gas by absorption theory.
通过对气体近红外选择性吸收的理论分析，给出了气体吸收测量的理论依据。
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