from jhplot import *

eq="\\frac{\\partial Q}{\\partial t} = \\frac{\\partial s}{\\partial t}\\alpha_{i}\\beta"

image="/tmp/equation.png"
q1=HLatexEq(eq, 104) # equaition with font size 104 
q1.export(image)
print "Created :",image
IView(image)         # View this image