简介:提出了拟次酉阵、拟(反)次Hermite阵概念,研究了它们的性质及其相互间的关系,将正交矩阵广义Gayley分解推广到拟次酉阵上。
简介:CHARACTERISTICFEATURESOFTHEBLOKMODEL,MODIFIEDFORTHEMESHEDGEARSOFTHEREALDIMENSIONS;Curvaturevariablesoftoothsurfaceonplanarcylindricalgears;INFLUENCEOFTHELOADCONCENTRATIONOFTHENITROCEMENTEDGEARWHEELSINREDUCINGTHELOADCARRYINGCAPACITYOFTHECYLINDRICALSPEEDREDUCERS;InvestigationofconveyordrivesinChile……