简介:Inthispaper,wepresentanalgorithmforreconstructionofB-splinesurfacesuchthatitinterpolatesthefourgivenboundarycurvesandsimultaneouslyapproximatessomegiveninnerpoints.Themainideaofourmethodis:first,weconstructaninitialsurfacewhichinterpolatesthefourgivenboundarycurves;then,whilekeepingtheboundarycontrolpointsoftheinitialsurfaceunchanged,werepositiontheinnercontrolpointsofthesurfacewithenergyoptimizationmethod.Examplesshowthatouralgorithmispracticableandeffective.
简介:摘要目的正确的使用XS-1000i,并对血细胞分析仪进行初步评价。方法利用SysmexXS-1000i全自动血液细胞分析仪对血液标本进行测量,计数,分别计算分析仪的精密度,携带污染率,总重复性。结果Sysmex全自动血细胞分析仪精密度表现优异,总重复性好,携带污染率低。结论SysmexXS-1000i血细胞分析仪是较为理想的血细胞分析仪,适用于日常检验。