在外面,全城的钠光灯都亮了。
已观察到的排斥大到足以使两束光叉开,不从钠室内穿过。
The repulsion observed was great enough to cause the two beams to diverge rather than to cross inside the sodium cell.
批准肿瘤光敏感剂卟吩姆钠,允许在美国进行光动力治疗。
Porfimer sodium, a drug that sensitizes tumors to light, is approved by FDA, permitting photodynamic therapy in the United States.
So, for example, here we're showing rubidium and potassium and sodium plotted where we're plotting the frequency -- that's the frequency of that light that's coming into the metal versus the kinetic energy of the electron that's ejected from the surface of the metal.
让大家看来都是可以理解的事情,就是把不同金属的观测结果,画到一张图里面来,例如这里,我们展示的是钠,钾,铷的频率-这是照射金属的光的频率,和金属表面出射电子动能的关系。
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