In the presence of impurities or in a nonstoichiometric solid, free electrons or electron holes are produced as a result of “charge compensation” to neutralize the effect of charged ionic defects 。
在杂质存在的情况下,
在非化学计量比的固体中,为了中和带
离
缺陷所引起的

平衡,便会
生自由



空穴。
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Between these tentacle-like projections are tiny gaps called filtration slits that act like a sieve allowing only small particles such as water, glucose and ionic salts to pass through while blocking large proteins and red blood cells.
在这些触手状的突出物之间有微小的缝隙,称为滤孔;像筛子一样只允许小
子物质如
、葡萄糖、盐等通过,而阻挡大
子蛋白质、红细胞等。
语)