Understanding of the geological conditions under which oil and gas are formed came quickly from the data of oil exploration and inferences from the chemical composition of petroleum and natural gas.
石油和天然气勘探资料和对石油天然气化学成分的预测加速了人们对石油、天然气形成地质条件的了解。
The characteristics, composition, application and treating technologies of high sulfur petroleum coke are summarized, and the relevant Suggestions for the treating technologies are put forward.
综述了高硫石油焦的特性、组成、应用及后处理技术，提出了有关高硫焦后加工的建议。
Some unique characteristics of the composition and structure of the petroleum carboxylic acids in this crude oil were discovered.
发现了该原油中石油羧酸在组成和结构方面的一些特征。
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 part of kerogen is composed of its physical and chemical characteristics, separating and study methods, and the part of petroleum composition is about organic ingredients and types of oil and gas.
有关干酪根的内容包括干酪根的物理、化学性质、分离和研究方法；油气组成方面包括石油、天然气的有机组成和类型；
This paper introduces the structure, composition, working principle and design character of automatical welding device of YSP 15 liquidized petroleum bottle valve base.
介绍了YSP -15型钢瓶瓶阀座自动焊接装置的结构、组成、工作原理及设计的主要特点。
A suite of oils and reservoir extracts from the Liaohe basin, NE China, was analyzed to investigate the effects and controls of biodegradation on petroleum composition.
为了研究生物降解对石油组成的效果和控制，本文分析了辽河盆地的一系列石油和岩石抽提物样品。
A suite of oils and reservoir extracts from the Liaohe basin, NE China, was analyzed to investigate the effects and controls of biodegradation on petroleum composition.
为了研究生物降解对石油组成的效果和控制，本文分析了辽河盆地的一系列石油和岩石抽提物样品。
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