The results show that doping 1%( mass fraction, same as below) P to pure tin can improve the strength and stiffness, decrease the plasticity.
结果显示在纯锡中添加1%（质量分数，下同） P，能够提高强度、刚度，降低塑性；
2
In this paper, theories of ZnO film p-type doping are introduced in several aspects, including self-compensation effect, madelung energy, and thermodynamics.
本文分别从自补偿效应，马德隆能以及热力学等角度介绍了氧化锌薄膜的p型掺杂的理论研究。
3
Both P-type and N-type crystalline si have been doped using arsenic, phosphor and boron. The electrical and opto-electrical characteristics of the doping area are investigated.