\input{umtest-preamble}
\usepackage[partial=upright]{unicode-math}
\setmathfont{Asana Math}
\begin{document}
\[∂𝜕 \quad 𝛛𝝏 \quad 𝞉𝟃\]
\[∂𝜕 \quad \mathbf{∂𝜕} \quad \mathbfsf{∂𝜕}\]
\[\mathup{∂𝜕} \quad \mathit{∂𝜕}\]
\[\mathbfup{∂𝜕} \quad \mathbfit{∂𝜕}\]
\[\mathbfsfup{∂𝜕} \quad  \mathbfsfit{∂𝜕}\]
\end{document}
