从辐射全交换面积的概念出发，推导了封闭空间边界为灰体，介质为非灰气体的辐射全交换面积计算式。
Based on the original conception of total radiant exchange area, the total radiant exchange areas for non-gray medium with gray enclosure are derived.
文章采用多边界潮汐控制数据采集系统成功地模拟了多边界非恒定潮汐流问题，通过动床试验研究提出了八塘尾河段的整治方案，并给出了预测本河段回淤量的计算式。
Based on the movable bed test and study, the regulation scheme for Batangwei reach was set forth and the formula for calculating siltation volume of the reach was derived.
导出了在再热机组中，排挤单位非调节抽汽流经再热器流量份额的通用计算式，并进行了验证。
A universal formula is raised to calculate flow of reheater when a unit of work substance is pushed out from extraction steam in reheating unit, and verified...
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