<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">
<mml:mrow> <mml:mi mathvariant="normal">RS</mml:mi>
<mml:mo>&#8722;</mml:mo>
<mml:mi mathvariant="normal">Te</mml:mi>
<mml:mo>&#8722;</mml:mo>
<mml:mi mathvariant="normal">SR</mml:mi>
<mml:mo>+</mml:mo>
<mml:mi mathvariant="normal">RSH</mml:mi>
<mml:mo>&#8594;</mml:mo>
<mml:mi mathvariant="normal">RS</mml:mi>
<mml:mo>&#8722;</mml:mo>
<mml:mi mathvariant="normal">TeH</mml:mi>
<mml:mo>+</mml:mo>
<mml:mi mathvariant="normal">RSSR</mml:mi>
</mml:mrow>
</mml:math>