Combined with stoichiometric method, the diene value in cracking gasoline was determined by Fourier Transform Infrared Spectroscopy at selected wavenumber region.
用傅里叶红外光谱仪，在选定的波数范围内，采用化学计量学法测量乙烯裂解汽油的二烯值。
The oxidative stability of fish oil in different systems was studied by using peroxide value (POV), conjugated diene hydroperoxide content and fatty acids content as indexes.
以过氧化值(POV)、共轭二烯型氢过氧化物含量和脂肪酸相对含量的变化为指标研究了鱼油在不同体系中的氧化稳定性。
The oxidative stability of fish oil in different systems was studied by using peroxide value (POV), conjugated diene hydroperoxide content and fatty acids content as indexes.
以过氧化值(POV)、共轭二烯型氢过氧化物含量和脂肪酸相对含量的变化为指标研究了鱼油在不同体系中的氧化稳定性。
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