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- Abstract： In connection with the overlength &overweight of stabilizer column, desorption tower on atmospheric vacuum residuum cotalytic cracking unit, a reasonable assembly process was drawn up. 摘 要： 针对常压重油催化裂解装置中稳定塔、脱吸塔两设备超长超重的特点，制定了合理的组装工艺。
- In connection with the overlength &overweight of stabilizer column, desorption tower on atmospheric vacuum residuum cotalytic cracking unit, a reasonable assembly process was drawn up. 针对常压重油催化裂解装置中稳定塔、脱吸塔两设备超长超重的特点，制定了合理的组装工艺。
- De-oiled asphalt (DOA) was obtained from a supercritical solvent deasphalting device using vacuum residuum of Liaohe heavy crude as feed and it was manufactured to particles by PGSS process directly. 摘要 在超临界溶剂脱沥青装置上，以辽河稠油减压渣油为原料，得到脱沥青油的同时，用PGSS法直接对脱油沥青进行造粒实验。
- Upgrading of Vacuum Residuum in Supercritical Water 减压渣油在超临界水中的轻质化
- Keywords vacuum residuum;decant oil;molecular weight; 减压渣油;催化油浆;混合后分子量;
- The mechanism and process of coking reaction for vacuum residua are analyzed, and the lumping kinetic model is used in the process of vacuum residua coking reaction. 对减压渣油焦化反应机理和反应过程进行了分析,将集总动力学模型用于减压渣油焦化反应过程,建立了减压渣油焦化反应的六集总动力学模型。
- Manufacturing technique of wax microcrystalline: with crude oil vacuum residua fractions as material, it is made from propane taking off asphaltum, furfural refining, ketone benzene taking off oil, and argil refining. 微晶蜡的生产工艺流程:本产品以天然原油的减压渣油为原料，经丙烷脱沥青、糠醛精制、酮苯脱油、白土补充精制及加氢补充精制冷却后成型而制得该系列产品。
- In the thermal reaction systems of vacuum residua, the inception of the second liquid phases depends highly on the compositions, colloidal structures and chemical structures of vacuum residua. 在渣油热反应体系中，第二液相的形成特性与渣油的化学组成、物理结构和化学结构有关。
- Investigation of Mixed Property of Vacuum Residuum and Catalytic Cracking Decant Oil 减压渣油与催化油浆的混合性质研究
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- Keywords vacuum residuum;resins;pentane asphaltenes;chemical structure;ruthenium ions catalyzed oxidation; 减压渣油;胶质;戊烷沥青质;化学结构;钌离子催化氧化;
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- Sealed under low pressure or a partial vacuum. 抽空密封的在低压或部分真空状态下密封起来的
- vacuum residuum 减压渣油
