mono energetic 中文意思是什麼
mono energetic
解釋
單能的-
The measurement data is scarce in 8 - 13 mev region due to the lack of mono - energetic neutron sources ( in this region, there are breakup neutrons besides the mono - energetic neutrons in the often used neutron sources such as t ( p, n ) 3 he and d ( d, n ) 3he sources. the secondary neutrons induced by breakup source neutrons will seriously contaminate the secondary neutron spectra induced by mono - energetic source neutrons ). therefore, precise measurement for some key nuclides is necessary to check the evaluations in this region
但在8 ? 13mev這一能區，由於沒有合適的單能中子源（因為在這一能區，對于常規中子源如t （ p ， n ） ~ 3he和d （ d ， n ） ~ 3he中子源，除了單能中子以外，還有破裂中子成份，這部分源破裂中子在樣品上引起的次級中子，將嚴重影響測量結果） ，所以至今在8 ? 13mev能區這方面的測量數據極少。 -
Moreover, precise experimental data are the base of theoretical models and calculations. up to now, at about 14 mev, there are some ddx measurement data because the t ( d, n ) 4he reaction is a good mono - energetic neutron source. below 8 mev, there are also some measurements because mono - energetic neutron source is available in this region
到目前為止，在14mev附近，由於有很好的t （ d ， n ） ~ 4he單能中子源，所以次級中子雙微分截面的測量數據較多，在8mev以下，也可以得到很好的單能中子源，所以也有一些測量數據。
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