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裂解气深冷分离
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裂解气深冷分离
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裂解气分离
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cryogenic separation of pyrolysis gas
裂解气深冷分离
在低温下将裂解气中除甲烷、氢气以外的烃类冷凝为液体,利用各种烃的相对挥发度不同进行多组分精馏,分离得到乙烯、丙烯及其他副产品的过程。
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origin and evolution of solar system
origin and formation of Chinese opera
origin and propagation of cosmic rays
origin area of invasive species
origination
origin center of grass germplasm
Origin Center of World Cultivated Crops
origin centre
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origin moment
origin of agriculture
origin of a vector
origin of C4 plants
origin of civilization
origin of coal
origin of coordinates
origin of dry-land agriculture
origin of early hominins
origin of elements
origin of game
Origin of life
origin of longitude
origin of modern human
origin of modern humans
origin of news
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