The experiments have been shown that the three factors of residual stress microstructure as well as surface roughness including in the all factors of SI have most influence on the FFR.
试验结果表明,表面完整性中的残余应力、组织结构与表面粗糙度这三个因素对疲劳断裂抗力是最有影响力的三个因素。
It reviews the optimization measures of Al-Si piston alloy, including kinds, chemical composition, grain refinement, modification, alloying and heat treatment.
评述了铝硅活塞合金的种类,化学成分,晶粒细化,变质处理,合金化和热处理工艺等优化手段。
The influence of growth parameters including gas flow, C/Si ratio, growth temperature and pressure on growth rate and layer uniformity in thickness and doping are discussed.
比较了外延生长参数,如生长温度、生长压强、碳硅比和气流流速,与生长率和净载流子浓度的影响关系。
The whole optical system using the materials of Ge and si consisted of 11 elements, including 3 lenses for collimator and 7 lenses for the projection system.
整个光学系统采用锗和硅两种材料,包含11片透镜,其中:准直物镜3片,投影镜头7片,场镜1片。
The whole optical system using the materials of Ge and si consisted of 11 elements, including 3 lenses for collimator and 7 lenses for the projection system.
整个光学系统采用锗和硅两种材料,包含11片透镜,其中:准直物镜3片,投影镜头7片,场镜1片。
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