Only magnetic dipole and higher multipole configuratons occur in nature.自然界中只能出现磁偶极子以及磁多极子的形式.Forbidden transitions are those for which dipole radiative transitions are not allowed by the selection rules.禁戒跃迁指的是选择定则所不容许的...
The dipole does not radiate energy in the direction of its axis.偶极子在它的轴的方向上不发射能量.Only magnetic dipole and higher multipole configuratons occur in nature.自然界中只能出现磁偶极子以及磁多极子的形式.We now show how to calculate molecular dipole...
缓慢的流速足以防止还原剂的散失.A low rate is enough to prevent flushing of reductants.还原的烟酰胺核苷酸对固态酶可以起还原剂的作用.Reduced nicotinamide nucleotides can function as reductants to nitrogenase.许多金属冶炼操作中需要碳作为还原剂.Carbon is needed as a reducing ag...
Congratulations showered on the newlyweds.大家纷纷向那封新婚夫妇道贺....newlyweds wishing to enlarge snaps of their big day.希望把他们大喜之日的照片放大的新婚夫妻Lavalais raised his glass to propose a toast to the newlyweds.拉瓦雷举起酒杯，提议为新婚夫妇干杯。He led the...
Smoking is now banned in many places of work.现在许多工作场所禁止吸烟。Well, parenthetically, I was trying to quit smoking at the time.嗯，插一句，我那时正在努力戒烟。10,000 deaths a year from chronic lung disease are attributable to smoking.吸烟导致每年有...