Combined with other factors that have influences on gas dissolution, the theoretical equation of gas 'mole solubility in crude oil and that of gas-oil ratio in crude oil are derived.
There are two method to measure the weight ratio of crude benzene.
测定粗苯重量比，有色谱法和蒸馏法两种方法，其中蒸馏法为仲裁方法。
3
Applying the methodology of standardized crude rate is necessary to remove the impact of the age structure so that the standardized dependency ratio and demographic dividend can reflect the reality.