The results showed that high peak value and long transfer time are helpful to decrease the porosity in the aluminum casting.
研究发现,热解产物传输曲线峰值高、传输时间长,有利于减少铝件的针孔。
Because heavy ion has the characters of high-LET value and sharp Bragg peak for dose distribution.
因为重离子具有高传能线密度(LET)及剂量分布呈尖布喇格峰的特点。
The zonal distribution of precipitation is two peak value curve tendency in low latitude region and up tendency in middle latitude region and down-up tendency in high latitude region.
各区域年降水量的经向廓线表明:低纬、中纬、高纬地区年降水量的纬向廓线一样呈“东多西少”的形势,高纬地区呈“下降一上升”的分布型不同于低、中纬地区及中国区域。
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