initial core中文什么意思

例句与用法

1. ( 2000 ) . the neutron irradiation is assumed to derive primarily by the reaction 13c ( a , n ) i60 with a minor contribution from the marginal burning of 22ne through the channel 22ne ( a n ) 23mg in the final , high temprature phase of each flash . and we considered the influence of the various parameters such as the initial core mass , the envelope mass , the mass - loss rate , the overlap factor and the delution factor etc . , and we vary their value with the pulse number
   本文采用分叉s -过程反应通道，以~ ( 13 ) c ( , n ) ~ ( 16 ) o 、 ~ ( 22 ) ne ( , n ) ~ ( 25 ) mg为双脉冲中子源，用最新的中子俘获截面，利用gallino和busso等人给出的agb星三壳层核合成模型，考虑到核心质量、挖掘程度、重叠因子、稀释因子及星风质量损失率随脉冲数的变化，详细计算和研究了各个金属丰度情况下的3m 。