aligned_rate_contributions.test

<<< tex
\begin{aligned}
r_{j,\pm}^{0}
&=\underbrace{A_j\exp\!\left(-\frac{E_j}{R_{\mathrm u}T}\right)}_{k_j(T):\ \text{Arrhenius coefficient}}
\times\underbrace{(\text{gas factor})_{j,\pm}}_{\text{local hydrogen/steam}}
\times\underbrace{(\text{solid factor})_{j,\pm}}_{\text{inventory, presence and access}},\\
r_j^0&=r_{j,+}^{0}-r_{j,-}^{0}.
\end{aligned}
>>> starmath
matrix { alignr r_{j, plusminus {}}^0 # alignl {} = {{A_j exp left ( -{{alignc {E_j}} over {alignc {R_{nitalic u} T}}} right )} underbrace {k_j(T) : "Arrhenius coefficient"}} times {{("gas factor")_{j, plusminus {}}} underbrace "local hydrogen/steam"} times {{("solid factor")_{j, plusminus {}}} underbrace "inventory, presence and access"}, ## alignr r_j^0 # alignl {} = r_{j, +{}}^0 - r_{j, -{}}^0. }