p p junction是什么意思

用法例句

Construction of a new phagemid for phage display using phage coat protein pⅨ and its primary evaluation;

新型pⅨ噬菌体展示系统的建立及初步评价

In this paper, on the basis of the analysis of the characteristics of wind-blown-sand flow in view of gas-solid two-phase flow, the sand incipience process was realized and observed by using Particle Imaging Velocimeter (PⅣ) technique in a specially designed test facility and the influence factors were discussed.

本文在对风沙流进行气固两相流分析的基础上实现了低风速条件下的沙粒起动过程,借助PⅣ测量系统对其进行了观测并对影响因素进行了分析,获得了沙粒的浓度和速度分布。