Extraction of Petroleum and的意思|示意

MethodsTo obtain chemical constituents from Musa basioo, in this paper the methods of water extraction, ethanol extraction and petroleum ether extraction were used.

方法采用水提取法、醇提取法和石油醚提取法对芭蕉根的化学成分进行定性实验。

Due to the reduction of petroleum reservoir and deeper extraction, the crude oil is heavier and poorer in the world, and the light products in the oil is becoming decreased.

随着原油储量的递减及原油的深度开采，世界性原油质量逐渐变重、变劣，轻质油品含量降低，必须进行重油轻质化。

The SFE, which is a kind of new extraction and stripping technique, is widely used in the industrial, petroleum, food -stuff, medical, environmental protection and other fields.

超临界流体萃取(简称sfe)是一种新型的萃取分离技术，广泛应用于工业、石油、食品、医药、环保等领域。

Through single factor and orthogonal experiments, extraction of oil from soybean embryo and its composition were studied by using petroleum ether as degrease solvent and GC, respectively.

以大豆胚芽出油率为指标，石油醚为脱脂溶剂，通过单因素和正交试验对大豆胚芽索氏提取工艺进行了研究，并用气相色谱对胚芽油的脂肪酸组成进行了分析。

The test is a research on the extraction of distilling essential oil from leaves by comparing efficiency of extraction by three reagents. Those are ether, ethyl acetate and ether from Petroleum.

本试验对树叶中提取精油萃取液进行了研究，通过三种不同试剂萃取，对水蒸汽蒸馏产物所得的萃取率来研究其适合度。

Extraction of Gallium from high concentration HCl solution using organic phases which composes of TBP and butyl acetic ester, xylene, petroleum ether and kerosene, respectively, are investigated.

系统研究了以TBP为萃取剂， 乙酸丁酯、 二甲苯、 石油醚、 煤油为稀释剂，从高酸度盐酸溶液中萃取镓。