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Soil science
That science dealing with soils as a natural resource on the surface of the earth including soil formation, classification and mapping; physical, chemical, biological, and fertility properties of soils per se; and these properties in relation to the use and management of soils.
Industry: Earth science
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Soil science
斯托克斯的法律
Earth science; Soil science
方程即標準溫度、 壓力、 下粘性流體中移動平滑的剛性球上表達的粘性阻力力 F = 3πηDV F 是警隊的粘性阻力,π = 3。1416,η 是流體的粘度,D 是直徑的領域,和 V 是秋天 (或移動) 的速度。重力沉降由吸管或比重計方法,由此產生的沉澱方程的土壤粒徑分析中使用的 應用斯托克斯法是 V = 2gr2(d1-d2)/9η 哪裡 g 是重力加速度、 r ...