In fact, the seemingly anomalous dispersion of the impurity band in the first Brillouin zone is a result from band folding.
在第一布里渊区中出现的杂质带的反常色散实际上是能带折叠的结果。
A series of general formulae of impurity concentration distribution along the ingot after point-doping zone melting has been derived.
得到了点掺杂区熔后杂质沿锭长分布的一系列普遍公式。
The influence of variable zone lengths, zone passes, moving speed and the impurity of raw materials on the purification process was studied.
考察了熔区移动速度、区熔次数、熔区长度以及黄磷原料杂质初始含量对提纯效果的影响。
The metastable zone is narrowed, and the crystal growth rate is increased in the presence of calcium acetate as an impurity.
醋酸钙杂质的存在使木糖溶液介稳区变窄，晶体生长速率加快。
The metastable zone is narrowed, and the crystal growth rate is increased in the presence of calcium acetate as an impurity.
醋酸钙杂质的存在使木糖溶液介稳区变窄，晶体生长速率加快。
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