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- primate city size distribution 首要大城市的人口分布情况
- The Agglomeration Effect, Agglomeration Efficiency and the Change of City Size Distribution 集聚效应、集聚效率与城市规模分布变化
- city size distribution 城市规模分布
- The grain size distribution was bimodal as a whole. 尘暴降尘的粒度基本呈双峰态分布。
- The NC GaN has a uniform size distribution and spherical shape. 实验发现气凝法生成的氮化镓奈米微粒以均匀的圆球形分布。
- The optimum particle size distribution of cement and its assessment method. 水泥的最佳颗粒分布及其评价方法。
- The particle size distribution of tailing can he considered as a gray system. 尾砂的粒径分布可视为一个灰色系统。
- Arnott and J Stiglitz.Aggregate land rents,expenditure on public goods,and optimal city size[J].The Quarterly Journal of Economies,1979(4):471-500. 由于与本页注释[1]相同的原因;本文计算出的集聚效应指数可能为负.
- Similarly nonwhite urban males earn much less than white males even after allowance is made for the effects of differences in unemployment, age, city size and region . 同样的,即使剔除掉失业、年龄、城市和地区等因素的不同所造成的影响,在城市中,有色人种的男性劳动力比白人男性劳动力所得到的收入也要少得多。
- The general question of size distribution and its representation was briefly discussed. 谱分布及其表示法的一般问题已简单地讨论过了。
- The Use of Direct Observations over the Aerosol Particle Size Distribution for Inverting Lidar Data. 用气溶胶粒子尺度分布的直接观测反转光达数据。
- This article has analyzed the city size change tendency in Liuzhou and has analyzed the drive factors which influence the city size change by using the gray systematic analytic method. 分析了柳州市城市规模变化趋势,运用灰色系统分析法对影响城市规模变化的驱动因素进行分析。
- Rain drop size distribution (DSD) is used to describe the raindrop spectral of all kinds of diameter per unit volume. 雨滴谱是指单位体积中雨滴大小的分布。
- The particle size of product made by the chemistry process is very tine and the particle size distribution is uniform. 超细氢氧化铝制备方法分为机械法和化学法,但化学法制备的产品粒度细、分布均匀。
- The results show that BET specific surface area of AC is 1 654 m2/g, with reasonable pore size distribution (PSD). 结果表明:活性炭的BET比表面积达1 654 m2/g,具有合理的孔径分布,主要在2 nm附近。
- Abstract: This paper analyzed the fractal features of particle size distribution (PSD) of soils in China. 文摘:以土壤颗粒组成数据为基础,分析了我国土壤颗粒组成的分形维数。
- The sieving method is the essential method for determination of grain size distribution of macrogrits. 摘要磨料粗磨粒粒度组成检测的基本方法为筛分法。
- Floc size distribution in a dynamic flocculator with a flat vane wheel was measured experimentally. 实验测定了平直叶轮动态混合絮凝器内絮团粒度的空间分布。
- Distribution of China City Size Expressed by Urban Built-up Area 以建成区面积表征的中国城市规模分布
- The conformation, particle size distribution, imbedding ratio and the sustained release behavior were investigated. 并对所得微球的外形、粒度分布、包封率及释放度等进行了研究。