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凝点是柴油的一项重要理化指标 ,但目前其测定方法的测定周期长、费用高 ,而且受人为因素的影响。作者应用近红外光谱分析技术建立了一种新的柴油凝点测定方法。经预测证明 ,柴油凝点的近红外光谱测定法是切实可行的 ,其测定结果与国家标准方法有较好的一致性。
The pour point is an important physical and chemical index of diesel oil, but the measuring method of the present method has a long measuring cycle, high cost and is influenced by human factors. The author uses near infrared spectroscopy to establish a new method for measuring the freezing point of diesel. Projections show that near-infrared spectroscopy of diesel condensing point is feasible and its measurement results are in good agreement with the national standard methods.