<chr_var letter="S" var="1">S1</chr_var> il<chr_abbr type="reg" class="dc" expan="en" cert="no">e-hbar</chr_abbr>norent de q<chr_abbr type="reg" class="sc" expan="nra" cert="no">n-alpha</chr_abbr>quil <chr_var letter="s" var="long">∫</chr_var>eu<chr_abbr type="reg" class="dc" expan="en" cert="no">e-hbar</chr_abbr>t. 