Measures taken by the Assured or the Underwriters with the object of saving,protecting or recovering the subject-matter insured shall not be considered as _______.
A.
sue and labor
B.
a waiver or acceptance of abandonment or otherwise prejudice the rights of either party
C.
general average acts
D.
acts reasonable for the purpose of averting or minimizing a loss
【简答题】用光子流强为P o 、光子能量为hν的光照射一个由金属和n型半导体构成,的肖特基光电二极管。已知E g >hν>qφ e (φ B 为接触电势差),则在金属层内产生的光生电子,有部分向半导体内发射。如金属中的光吸收系数为α,金属膜的厚度为l,则离光照的金属表面x处的光生电子逸入半导体的几率为e -b(l-x) 。金属中光生电子的量子产额为β。试证: