Study on precision forging process of shell body of filter in communication apparatus;
滤波器外导体的精密锻造成形技术研究
“lnner guide”and“outer guide”is analyzed and compared.
分析和比较了燃气流内导流和外导流 。
This paper reviews the developments of IR sensors and IR missiles.
评述了红外探测器和红外导弹的发展 ,讨论和分析了激光红外对抗系统的原理 ,组成 ,关键技术及取得的重大进展。
This paper deals with the stress and strength of the nozzle zone of the external flow guiding cylinder of the shell and heat exchanger by numerical analysis of FEM and experimental stress analysis, giving the theoretical and experimental distribution laws of stresses with the aid respectively of three dimension finite element in 8 to 12 changing sopots and of the electrical measuremet.
本文应用有限元数值分析和实验应力分析两种方法对管壳式换热器外导流筒接管区的应力和强度问题进行了研究。