研究了利用大庆乙烯生产装置副产的c_9馏分合成油溶性石油树脂。
This paper states that petroleum resin is synthesised by using fractions of C_9, which are the by-product of Daqing ethene unit.
大庆乙烯提高竞争力的途径是通过技术进步，降低原料消耗，改进产品性能，提高装置能力等。
To decrease the consumption of raw materials and improve the products' performances, increase the capacities of plants are the approach to improve the competitiveness.
介绍了湿式氧化工艺处理大庆石化乙烯废碱液的工艺原理及运行结果。
The paper introduced the principle and result of treating spent caustic by wet air oxidation in the Daqing petrochemical company.
笔者运用统计学的方法分析了中国石油大庆石化分公司化工一厂乙烯装置急冷水排放量大的原因，并针对这些原因所采取的措施。
By using the statistics analysis method, the reasons for the excessive blowdown of quench water in Daqing Ethylene Plant are found and, some measures are proposed and used to solve the problem.
本文从大庆石化公司高密度聚乙烯装置的生产实践出发，对造成母液储罐罐壁减薄的原因进行了分析，并提出了相应的对策。
The reasons and countermeasures for mother liquor holding tank wall thinning down of high density polyethylene device were analyzed in this paper.
针对大庆石化分公司线性低密度聚乙烯装置粉料输送系统进行安全性论证。
The safety demonstrations for powder material conveying systems on Daqing Petrochemical Company LLDPE units are conducted.
针对大庆老区乙烯装置丙烯精馏系统运行中出现的问题，对操作过程进行优化调整，达到降低丙烯损失的目的。
According to the existing problems in the running of propylene distillation system in Daqing ethylene plant, adopting corresponding optimization measures to reduce the propylene loss.
蒸汽裂解试验显示尾油馏分是很好的蒸汽裂解制乙烯原料，其乙烯收率较大庆ago高2 ~ 3个百分点。
The unconverted oil was a good feedstock for steam cracking and its ethylene yield was 2%-3% higher than that of Daqing AGO feedstock.
蒸汽裂解试验显示尾油馏分是很好的蒸汽裂解制乙烯原料，其乙烯收率较大庆ago高2 ~ 3个百分点。
The unconverted oil was a good feedstock for steam cracking and its ethylene yield was 2%-3% higher than that of Daqing AGO feedstock.
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