ra-f 中文意思是什麼
ra-f
解釋
Ra-F =radium-F 【化學】鐳F。-
When the pipe is heated or cooled, the centrifugal - type buoyancy force has the obvious effect on the flow structure and temperature distributions, when the ra increases or decreases to a critical value for a given f, the buoyancy force instability also can be found
當管道被加熱或冷卻時,離心型浮力對流動結構和換熱特性作用明顯,給定的旋轉條件下,當ra _增大或減小到某一臨界值,流動會出現離心浮力型不穩定現象。
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