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macroscopic neutron cross section
释义
macroscopic neutron cross section
Encyclopedia
理学
中子物理
释
macroscopic neutron cross section
宏观中子截面
单个中子同单位体积内的原子核发生某种核反应的平均概率。中子通过物质时,在单位路径上与该物质的原子核发生某种作用的概率,等于中子与靶核作用的微观截面与单位体积内靶核数的乘积,即宏观中子截面。
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automatic regulation principle
automatic regulatory systems
automatic repeat query,ARQ
automatic repeat request
automatic repeat request, ARQ
automatic result verification
automatic retrieval periodicals editing and typesetting
automatic riveting system
automatic road information acquisition vehicle
automatic runback device
automatic sample
automatic sampler
automatic sampling for polluted water
automatic sectionatizer
automatic segmentation and control
automatic sequence
automatic set
automatic sheet feeder
automatic sleeve sewing machine
automatic slurry sampling system
automatic smoke oven
automatic speaker recognition
automatic speech recognition
automatic steam-temperature control
automatic steel-ball feeding control
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