D e<chr_var letter="s" var="long">∫</chr_var><chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr>ci <chr_abbr type="reg" class="dc" expan="uus" cert="no">u-nine</chr_abbr> are b<chr_abbr type="reg" class="dc" expan="" cert="no">n-hbar</chr_abbr> gardee 