User:Riyuky/sandbox

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$[div({\vec {F}})|_{\mathbf {x_{0}} =(x,y,z)}=div({\vec {F}}|_{\mathbf {x_{0}} =(x,y,z)})=\lim _{V\to 0}{\frac {1}{V}}$ $\oiint$ $\ _{S(D)}{\vec {F}}\cdot \mathrm {d} {\vec {S}}]{\lozenge \neq }[\nabla \cdot {\vec {F}}={\frac {\partial {\vec {F}}(x,y,z)}{\partial x}}+{\frac {\partial {\vec {F}}(x,y,z)}{\partial y}}+{\frac {\partial {\vec {F}}(x,y,z)}{\partial z}}]$

$[div({\vec {F}})|_{\mathbf {x_{0}} =(x,y,z)}=div({\vec {F}}|_{\mathbf {x_{0}} =(x,y,z)})=\lim _{V\to 0}{\frac {1}{V}}$ $\oiint$ $\ _{S(D)}{\vec {F}}\cdot \mathrm {d} {\vec {S}}]!\square =[\nabla \cdot {\vec {F}}={\frac {\partial {\vec {F}}(x,y,z)}{\partial x}}+{\frac {\partial {\vec {F}}(x,y,z)}{\partial y}}+{\frac {\partial {\vec {F}}(x,y,z)}{\partial z}}]$

$pV={\frac {1}{2}}m<{\vec {|v_{xyz}|}}^{2}>={\frac {3}{2}}Nk_{B}T$