Mathematics Symbols

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Mathematics Terms

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U

Symbol	Greek Symbol	Definition	English	Metric	SI	Value
\(UTS\)	-	ultimate tensile stress	\(\large{ \frac{lbf}{in^2} }\)	\(Pa\)	\(kg- m^{-1}-s^{-2}\)	-
\(l_{ur}\)	-	unrestrained pipe length	\(ft\) or \(in\)	\(m\) or \(mm\)	\(m\) or \(mm\)	-
\(K_1\)	-	upstream resistance coefficient	dimensionless			-
\(L_b\)	-	unbraced length of a steal beam in LRFD design	\(ft\) or \(in\)	\(m\) or \(mm\)	\(m\) or \(mm\)	-
\(p_u\)	-	underwater pressure	\(\large{ \frac{lbf}{in^2} }\)	\(Pa\)	\(kg- m^{-1}-s^{-2}\)	-
\(\gamma\)	gamma	unit weight	\(lbf\)	\(N\)	\(kg-m-s^{-2}\)	-
\(\gamma_s\)	gamma	unit weight of solid	\(lbf\)	\(N\)	\(kg-m-s^{-2}\)	-
\(\gamma_w\)	gamma	unit weight of water	\(lbf\)	\(N\)	\(kg-m-s^{-2}\)	-
\(R\), \(\;R*\)	-	universal gas constant	\(\large{ \frac{lbf-ft}{lbmol-R} }\)	\(\large{ \frac{J}{kmol-K} }\)	\(J-kmol-K^{-1}\)	\(8.314\;462\;618\;153\;24\) \(\large{ \frac{J}{kmol-K} }\)
\(G\)	-	universal gravitational constant	\(\large{\frac{lbf-ft^2}{lbm^2}}\)	\(\large{\frac{N - m^2}{kg^2}}\)	\(N - m^2-kg^{-2}\)	\(6.674\;30\;x\;10^{-11}\) \(\large{\frac{N - m^2}{kg^2}}\)
\(USLE\)	-	universal soil loss	\(tons-acre-yr\)	\(tonnes-hectare-yr\)	\(tonnes-hectare-yr\)	-
\(l_{ur}\)	-	unrestrained pipe expansion	\(ft\)	\(m\)	\(m\)	-
\(U\)	-	Ursell number	dimensionless			-
Symbol	Greek Symbol	Definition	English	Metric		Value

 

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