提出将高斯分布的光场从中心分割为两个对称的光场,再将两个光场匹配叠合,从而获得大范围均匀的光场; 利用普通的反射器件,设计了......

论述了用激光干涉仪测量石英玻璃光学均匀性时测量范围扩展的问题。通过理论研究和实际测量, 完成了用180mm孔径干涉仪测量300......

Homogeneity of powder blend is essential to obtain uniform contents for the tablets and capsules. Near-infrared (NIR) sp......

高斯光场对称分割叠合可获得大范围光强均匀的叠合光场。 详细计算分析了一维叠合光场的光强均匀性、 光能利用率、 平均光强等指......

Remote sensing images show a very promising perspective for distinguishing tree species,especially those with the very h......

Advanced oxide metallurgy technique was adopted to produce 100-kg Y-bearing 12Cr ferritic/martensitic steel via vacuum i......

Consider I pairs of independent binomial variates xoi and x1i, with corresponding parameters Poi and p1i and sample size......

高速铁路对重轨钢质量提出了更高的要求,洁净度与均质性控制是其质量提升的关键。包钢高速重轨钢采用无铝脱氧工艺降低钢水全氧质......

为研究沥青混合料均质性对应变场分布影响,揭示材料分布与应变场分布之间的关系,首先,采用数字散斑方法得出间接拉伸试验沥青混合......

该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......

该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......

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为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

High performance magnets not only have high magnetic properties, but also have good homogeneity. The homogeneous of Nd14......

During thermal debinding in ceramic injection molding, the inhomogeneity of green body is a key origin of cracks. In thi......

Based on thermal analysis, the isothermal and nonisothemal crystallization kinetics of Ziegler-Natta catalyzedlinear low......

Let (K, M, H) be an upper triangular bimodule problem. Brüstle and Hille showed that the opposite algebra A of the endo......

To evaluate the homogeneity of asphalt mixtures, the images of sections obtained by cutting the as-phah mixtures specime......

Fe3O4 nano-whiskers were synthesized via ultrasonic-aided reduction of FeCl2·4H2O with N2H4·H2O in concentrated NaOH s......