The reasons for price of acrylic acid being rapidly increasing are narrated, i. e. price increasing of petroleum in international market and implementation of anti-dumping twice at home.
分析了国内丙烯酸及丙烯酸酯价格飚升的原因：国际石油价格的上涨以及国内两次实施的反倾销措施。
It's very important for some petroleum machinery(e. g. drilling rig and pumping unit) to carry on reliability analysis and design of the system of the narrow V type belt drive.
开展窄V带传动系统可靠性分析与设计对于提高钻机、抽油机等石油钻采机械的质量和效益具有重要意义。
The work took cutting machine use raw materials for inflammable gas e. g. acetylene, propane, gas, such as liquefied petroleum gas (LPG).
切割机使用的工作原料为易燃性气体如乙炔、丙烷、液化气等气体。
The harms of sulfides come from many aspects to petroleum refining and product application, e. g. eroding metallic equipment, making catalyst poisoning, affecting on products output.
含硫化合物对石油加工及其产品应用的危害是多方面的，如腐蚀金属设备，造成催化剂中毒，影响产品质量等。
The homogenous biomass solution like petroleum not solid coal is also easily processed in a flow system for practical applications. Organic solvents e. g.
溶解后的“生物质溶液”可像液态石油(而不是固体煤)一样，很容易加工，并可实际用于流动反应装置来提高生产效率。
The homogenous biomass solution like petroleum not solid coal is also easily processed in a flow system for practical applications. Organic solvents e. g.
溶解后的“生物质溶液”可像液态石油(而不是固体煤)一样，很容易加工，并可实际用于流动反应装置来提高生产效率。
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