Nonuniform distribution of junction temperature and current in bipolar microwave power transistors 双极性微波功率晶体管结温和电流的非均匀分布
Analytical solutions for breakdown voltage and electric field distribution along junction edge for planar abrupt junction 圆柱突变结击穿电压及电场沿结边的分布
The results on diffusion distribution and junction depth are compared with the SRP measured profiles and the SUPREM - ⅱ simulation. A good agreement with the measured values has been observed. 结果表明,用本模型模拟的砷注入硅的扩散分布和结深与SRP实测值比较符合。
In this model, the solving method of sediment transport equations under complex flow conditions has been presented, including sediment distribution method at junction nodes, and modification model at flood diversion gate. 选用了与实际情况较为吻合的汊点分沙求解方法,建立了分洪口门修正模式,采用适合于复杂流动状态下泥沙方程组的求解方法。
Objective To compare the dose distribution at the junction of abutting fields and dose in the involved brain and lung with half-beam or whole-beam irradiation in the treatment of nasopharyngeal carcinoma. 目的比较鼻咽癌半束和全束照射技术射野衔接处的剂量分布以及脑和肺的受量。