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- light petroleum fraction 轻质石油馏分
- Then, taking advantage of the sulfur chemiluminescence detector (SCD), a GC/SCD method to characterize the sulfur-containing compounds in a light petroleum fraction was established; 其次,利用硫化学发光检测器(SCD)的优点,研究建立了轻质石油馏分硫化物表征的GC/SCD方法。
- Light petroleum distillate, generally known as naphtha, was the logical choice. 轻石油馏分，如石脑油是合乎逻辑的选择。
- The cracking of light alkanes is much difficult in comparison with that of petroleum fractions. 低碳烷烃裂化比石油馏分困难得多。
- The TXD1200 Series has been developed for pumping light petroleum products such as diesel, heating oil, gasoline, kerosene, avgas, various biofuels, such as biodiesel and ethanol. TXD1200系列产品已被用于汲取输送石油醚类别的燃料，诸如柴油、民用燃料油、汽油、煤油、飞机专用汽油以及像乙醇和生物柴油等不同的生物燃料。
- In order to examine the accuracy of empirical correlations of petroleum fraction charac-teristic parameters.the errors governing the accuracy of the selected correlations were calcu-lated.er-rors. 通过考核石油馏分特性参数经验关联式的准确性，求出了衡量经验关联式准确性的误差；
- Methods Curcuma was lixiviated in 70% ethanol and extracted with light petroleum to remove aetherolea to get Curcuma ethanol extraction, and to get curcumin with silica gel adsorption method. 方法：将姜黄粉末用70%25乙醇提取，石油醚脱脂的方法制备出姜黄醇提取物，采用硅胶吸附的方法从姜黄醇提物中制备得到姜黄素。
- petroleum fraction distilling apparatus 石油分馏仪器
- Boiling Range Distribution of Petroleum Fractions by Gas Chromatography, Test Method for (05. 用气相色谱法测定石油馏分的沸点范围分布的试验方法(05。
- In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene. 石脑油馏份与一个热表面接角，就裂解而得到乙烯和丙烯。
- A technique for measuring the corrosive sulfur in the petroleum fractions was introduced. 文章介绍了一种测定石油馏分中腐蚀性硫的方法。
- For petroleum fractions, VLE system at low pressure and the modified reduced Antoine equation are recommended for the calculation of phase equilibrium. 推荐使用修正的对比态Antoine方程进行低压体系馏分油的汽液平衡计算。
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- Two correlations have been tested respectively by an example,and show fine accuracy as compared with data of enthalpy figures of petroleum fractions. 通过实例应用表明:该式计算速度快与焓值图表吻合较好。
- A characterization approach for petroleum fractions based on the ASTM distillation data and the overall density has been proposed. 本文提出了一种从镏分恩氏蒸馏数据和总体密度对石油馏分进行假组分切割和物性估算的方法。
- The gas chromatography simulated distillation technology is a method that could replace Engler technology in the measurement of distillation range of petroleum fractions. 色谱模拟蒸馏是一种可以取代恩氏蒸馏的馏程测定方法。
- The portrait shows fine effects of light and shade. 这幅肖像画的浓淡色调表现得很好。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- Now I begin to see light on their good intentions. 现在我对他们的良好动机开始有所领会了。
- Study on Determination of Sulfur in Light Petroleum Products 轻质油品中硫含量测定研究
