The hopping conduction in energy gap of amorphous semiconductors at low temperature is explained by calculating hopping probability when an electron hops from one defect center to the other.
通过计算电子由一种缺陷中心向另一种缺陷中心的跳跃几率,解释了非晶半导体中的低温带隙跳跃导电问题。
Objective To analyze conduction the occurrence and prognosis of blockade after transcatheter closure of perimembranous ventricular septal defect(PMVSD).
目的分析经导管膜周部室间隔缺损(PMVSD)封堵术后传导阻滞发生及转归情况。
In the conventional vacuum insulation board, a fatal defect is that the place for holding a getter has the highest heat conduction coefficient.
传统真空隔热板中,导热系数最高的地方是放吸气剂的地方,这是它的一个致命缺陷。
In the conventional vacuum insulation board, a fatal defect is that the place for holding a getter has the highest heat conduction coefficient.
传统真空隔热板中,导热系数最高的地方是放吸气剂的地方,这是它的一个致命缺陷。
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