The effect of truncation of lower loads in load spectrum on crack growth lives of overall structure points is investigated.
研究了截除低载对全机结构各部位裂纹扩展寿命的影响,导出寿命误差与裂纹扩展比的关系,并指出寿命误差主要取决于开裂结构的材料参数,而开裂部位的影响则可忽略不计。
The factors which influence life, such as truncation of high loads, omission of low amplitude cycles, load sequence, and different spectrum shapes,are discussed.
对影响疲劳寿命的主要参数,如高载截取、低载截除、载荷顺序以及不同载荷谱型对寿命的影响进行了讨论,得出了一些有重要意义的结论。
The paper describes status quo of degreasing in non-ferrous metallurgical water extraction,new process and equipment of degreasing and application of intercept degreasing technology and device on nickel solution degreasing.
概述了有色冶金萃取水相除油的工艺,介绍了国内除油新设备以及阻截除油技术用于镍盐溶液除油的试验。
Styloidectome is a new appliance, and it has been used to the shortening of elongated part of styloid process.
茎突截除器是用于茎突截短术的新型器械 ,它的问世使人们长期以来期望在截断茎突过程中避免断骨滑脱的难题得以解决。