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new Basic functions

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David Parkhurst 2021-08-25 21:11:09 -06:00
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RELEASE.TXT
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Version @PHREEQC_VER@: @PHREEQC_DATE@
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August 25, 2021
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PHREEQC: Added new Basic functions MCD_JTOT and MCD_JCONC that return
multicomponent diffusion fluxes. MCD_JTOT returns the value of equation
10 in the description of the TRANSPORT keyword in the PHREEQC 3 manual
for an aqueous species. MCD_JCONC returns the flux calculated by the
first term of equation 10. The functions ignore interlayer diffusion
and only apply to multicomponent diffusion. Here are Basic examples.
Uphill diffusion occurs when the two functions have opposite signs.
10 jtot = MCD_JTOT("Cl-")
20 jconc = MCD_JCONC("Cl-")
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July 30, 2021