Skewness

Adjust Model of Multi-Period Portfolio Based on Skewness;

基于偏度的多期组合投资调整模型

Research on vegetation chlorophyll concentration retrieval model based on kurtosis and skewness of hyperspectral curve

基于高光谱曲线峰度、偏度的植被叶绿素含量反演模型研究

Optimal hedging ratio model considering skewness

考虑收益偏度的最优对冲比率模型

The effect of thickness deviation on the reflection spectra and phase shift of VCSELs has been analysed using optical transfer matrix method.

采用光学传输矩阵方法分析了厚度偏差对VCSEL的反射谱和反射相移产生的影响。

For researching thickness deviation of wide heavy plate caused by bilateral stiffness difference of plate mill,rolling force distribution is analyzed by using the principle of forces and torques equilibrium and the effects of the stiffness difference of plate mill on plate thickness deviation under a variety of roll length,plate width and rolling force is studied too.

针对由于轧机两侧刚度差异引起的宽厚板两侧厚度偏差,采用力平衡和力矩平衡原理,分析了轧辊承受载荷的分布情况,研究了宽厚板两侧厚度偏差与轧辊长度、板宽、轧制力和轧机两侧刚度差异之间的规律。

For researching thickness deviation of wide heavy plate caused by bilateral stiffness difference of plate mill, rolling force distribution is analyzed by using the principle of forces and torques equilibrium and the effects of the stiffness difference of plate mill on plate thickness deviation under a varity of roll length, plate width and rolling force is studied too.

针对轧机两侧刚度差异引起的宽厚板两侧厚度偏差,采用力平衡和力矩平衡原理,分析轧辊承受载荷的分布情况,研究宽厚板两侧厚度偏差与轧辊长度、板宽、轧制力和轧机两侧刚度差异之间的规律。

A new method for laboratory proficiency test with serial certified reference material as test samples was discussed to define the degree of deviation as performance assessment, marked with p, p=(test result-reference value)/reference uncertainty.

探讨了采用多组有证标准样品进行能力验证的方法 ,该方法对同一个项目选择几种不同标准值的有证标准物质作为测试样品 ,将测试结果统一用偏离度p作为能力量进行评定 ,p =(测试值 -标准值 ) /标准值的不确定度。

Influence of Mill Bilateral Stiffness Difference on Hot Rolled Wide Heavy Plate Thickness Deviation

轧机两侧刚度差异对热轧宽厚板两侧厚度偏差的影响

Checking Rotor Runout And Thickness Variation

检查转子的偏摆和厚度的偏差。

Influence of Bilateral Stiffness Difference of Wide Heavy Plate Mill on Thickness Deviation between Two Sides of Plate

宽厚板轧机两侧刚度差异对两侧板厚偏差的影响

Thickness Tolerance of Electrolytic Cold-rolled sheet

电解冷轧钢片厚度公差

Tolerance of Wire Diameters & Ovality

圆径及偏圆度之公差

Polypropylene (PP) pipes-Tolerances on outside diameters and wall thicknesses

GB/T13019-1991聚丙烯(PP)管材外径和壁厚极限偏差

Polyethylene (PE) pipes-Tolerances on outside diameters and wall thicknesses

GB/T13018-1991聚乙烯(pe)管材外径和壁厚极限偏差

Limit deviations of angle without tolerance indication

GB/T11335-1989未注公差角度的极限偏差

DETERMINATION OF THICKNESS AND WIDTH TOLERANCES OF STRIPS FOR ERW PIPES

电焊管用带钢宽度及厚度公差的选择

For a target of any thinkness, the undeflected flux diminishes exponentially with thickness.

对具有任意厚度的靶，无偏折的通量随厚度扫指数规律而衰减。

Diameter Tolerance, Ovality and Average Decarburized Layer Depth

直径公差，偏圆度及脱碳层的平均深度

Causes of High Yield Ratio in 17.5mm X70 Pipeline Steel

17.5mm厚度X70管线钢屈强比偏高的原因分析

Influence of Oxide Skin Thickness on Photoemissivity of Polarizing Angle from Surface of Continuous Casting Billets

氧化层厚度对铸坯表面偏振角发射率的影响

A 90nm Process Interconnect Statistical Analysis for Metal Thickness Variation in CMP

90nm工艺互连线CMP金属厚度偏离统计学分析(英文)

Measuring thin-film thickness with phase-shift interferometry

基于相位偏移干涉术的薄膜厚度测量方法

Unplasticized polyvinyl chloride (PVC-U) pipes-Tolerances on outside diameters and wall thicknesses

GB/T13020-1991硬聚氯乙烯(PVC-U)管材—外径和壁厚极限偏差

Days± s. d., those without s. d. indicate that only one plant reached flowering stage.

* 数字为平均±准偏差；若无标准偏差，表示该温度下仅有一植株开花。

Calculation of flow deviation rate of drip irrigation system taking three deviation rates into account on uniform slopes

均匀坡度下考虑三偏差的滴灌系统流量偏差率的计算