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快中子俘获过程
释义
快中子俘获过程
Encyclopedia
理学
核天体物理
释
rapid neutron-capture process; r-process
快中子俘获过程
一种类型的核过程。在一些极端情况下,中子密度足够强(每立方厘米1020中子以上),会使得中子俘获反应形成的不稳定丰中子核素合成抗拒向稳定核的衰变,这时核合成的路径会非常接近中子滴线,直到发展到上述过程无法优先,大多数衰变回到稳定线,这个核合成的过程称为快速中子俘获过程(r过程)。
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National Emblem of Australia
National Emergencies Act
national emergency industry demonstration base
national emergency management information system
national emergency management information system, NEMIS
national emergency plan for geological disasters
National Endowment for the Arts
National Energy Program
National Engineering Lab. for Chemical Utilization of Biomass
National Engineering Research Center for Information Technology in Agriculture
National Engineering Research Center of Chemistry of Forest Products
National Engineering University of Peru
National Entrance Test of English for MA/MS Candidates
National Environmental Policy Act of 1969
National Environmental Policy Act of the United States of America
National Environmental Protection "12th Five-Year" Program Environment and Health Work Plan
National Environmental Protection "12th Five-Year" Science and Technology Development Planning
national environmental protection model city system
national environmental protection pilot city
national environmental standards
national epic
national equality
national ethic
national ethics
National Ethnic minority Folk Art Exhibition
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