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Keywords vacuum residuum;decant oil;molecular weight; 减压渣油;催化油浆;混合后分子量;
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;
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 batch distillation;nerol;geraniol; 减压间歇精馏;橙花醇;香叶醇;
Keywords Vacuum deoxy;Seal;Temperature;Boiler; 真空除氧;密封;温度;锅炉;
Keywords vacuum heattreatment;salt bath;life;sink; 真空热处理;盐浴;寿命;塌陷;
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。
Keywords Vacuum;freezing;drying;fiddlehead; 真空;冷冻;干燥;蕨菜;
Keywords Vacuum suction;Sliming;Breast anaplasty; 负压抽吸术;减肥;乳房整形;
Keywords Vacuum;V-N Microalloy Steel;N; 真空;钒氮微合金钢;氮;
Keywords Vacuum Degas Vacuum degree Measure; 真空;脱气;真空度;措施;
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。
Keywords vacuum distilling;purification;Sc metal; 真空蒸馏;提纯;金属钪;
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
Keywords vacuum sealing drainage;dermatoplasty;cutaneous defect; 负压封闭引流;植皮术;皮肤缺损;
Keywords vacuum;evaporating-distillating;ultrafine zinc powder; 真空;蒸发冷凝;超细锌粉;