B <chr_abbr type="reg" class="dc" expan="" cert="no">n-hbar</chr_abbr><chr_var letter="s" var="long">∫</chr_var>aue<chr_var letter="s" var="long">∫</chr_var> en<chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr>l auen<chr_abbr type="reg" class="dc" expan="ture" cert="no">t-til</chr_abbr>e 