19 lines
653 B
TeX
19 lines
653 B
TeX
\documentclass[tikz]{standalone}
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\begin{document}
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\begin{tikzpicture}
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\draw[->,thick] (-0.5,0.5) -- (9,0.5) node[right] {$\rho$};
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\draw[->,thick] (0,-4.5) -- (0,1.5) node[above] {$f(T,\rho)$};
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\draw[thick, domain=0.6:8.5, smooth] plot (\x, {-2.282*(1.3*(\x-0.6))+0.926*(1.3*(\x-0.6))^2-0.153*(1.3*(\x-0.6))^3+0.0081*(1.3*(\x-0.6))^4});
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\draw[dashed,thick] (1.8,-1.84) -- (6.7,-4.12);
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\node[above] at (8.2,-1.3) {$T<T_c$};
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\draw[dotted,thick] (1.8,-1.84) -- (1.8,0.5) node[above] {$\rho_{\mathrm{vap}}$};
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\draw[dotted,thick] (6.7,-4.12) -- (6.7,0.5) node[above] {$\rho_{\mathrm{liq}}$};
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\end{tikzpicture}
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\end{document}
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