最近30从www.hoelymoley.com 2023 - 07 - 09 - t17:16:50z //www.hoelymoley.com/feeds/question/22767 https://creativecommons.org/licenses/by-sa/4.0/rdf //www.hoelymoley.com/q/22767 4 microwavedgrapes //www.hoelymoley.com/users/24383 2021 - 09 - 05 - t02:13:37z 2021 - 09 - 05 - t04:56:56z

Lackmann < p > 142页的< em >中间纬度天气学< / em >,方程6.7给布西涅斯克的导数浮力<跨类= " math-container " > $ b =θ\压裂{g \ '} {\ theta_0 (z)} $ < / span >(扰动势温度<跨类= " math-container " > \θ' < / span >和美元基状态类< span = " math-container " > \ theta_0美元(z) < / span >美元)< / p > < p > <跨类= " math-container " > \开始{方程}\压裂{db} {dt} = - w \压裂{g} {\ theta_{00}} \压裂结束{d \ theta_0} {dz} \{方程}< / span > < / p > < p >, < span class = " math-container " > $ \ theta_ {00} $ < / span >基状态的潜在温度<跨类= " math-container " > \ theta_0美元(z) $ < / span >在<跨类= " math-container " > z = 0 < / span >美元。虽然我理解这是一个应用程序的链式法则< / p > < p > <跨类= " math-container " > \开始{方程}\压裂{db} {dt} = \压裂{\部分z}{\部分t} \压裂{\部分\ theta_0}{部分z \} \压裂{\ b部分}{\部分\ theta_0},{方程}\结束< / span > < / p > < p >我无法明白为什么< / p > < p > <跨类= " math-container " > \开始{方程}\压裂{\ b部分}{\部分\ theta_0} = - \压裂{g} {\ theta_{00}} \结束{方程}< / span > < / p > < p >当我希望< / p > < p > <跨类= " math-container " > \开始{方程}\压裂{\ b部分}{\部分\ theta_0} =θ- \压裂{g \ '} {\ theta_0 ^ 2 (z)}。结束\{方程}< / span > < / p > < p >任何帮助会感谢! < / p >

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