Ni : Average population density in area i. To simplify the analysis, Earth’s surface is divided into a grid of squares i, and the distribution is assumed to be uniform in each.
Ni：指i区的平均人口密度，为了简化分析，地球表面被按照网格分成多个i区，每个区的分布假定是统一的。
Analysis of surface stream and energy fields obviously showed that the squall line occurred behind the surface shear line, and before the convergence area of wind.
地面流场和能量场的分析明显反映出了飑线在地面切变线后部，风向、风速辐合区前部。
Based on the analysis of the reasons for land desertification in eastern surface hills of Erhai Lake, the paper discusses the type, distribution and area of the desertification land.
对大理市洱海东部面山区域土地石漠化的原因进行分析，论述了石漠化土地的类型、分布及其面积。
The paper expounds pollution condition of surface water of JiaMuSi area, and makes assessment and dynamic analysis of main pollutants.
本文阐述了佳木斯地区地表水水质污染情况，并对主要污染物进行了动态分析、评价。
Nanomaterials have good adsorbability because of their huge specific surface area, therefore in the foreground of environmental analysis.
纳米材料具有大的比表面积，拥有优良的吸附性能，因此在环境分析领域的应用逐渐增多。
A new analogue analysis model on the inner circle grinding is set by meshing the grinding area of work-piece surface.
借助于工件磨削区域的分割和砂轮表面的离散化处理，建立了一种新的内圆磨削模拟计算模型。
High resolution sequence stratigraphy of Cangfanggon Group in Jimusa'er Area is studied based on a microfacies analysis of surface outcrop.
在对地表露头的微相分析基础上，对吉木萨尔地区仓房沟群进行高分辨率层序地层学研究。
The method of stack velocity analysis based on relief surface presented in the paper uses double-square-root equation to compute the travel time of reflections, which is suitable to use in the area w.
本文提出的基于起伏地表的叠加速度分析方法，应用双平方根方程计算反射波的旅行时间，可适用于地形起伏剧烈地区。
Three characterization methods of the lab samples were as followings: X-ray analysis, specific surface area and pore analysis, and thermal analysis.
实验样品采用X射线衍射分析、比表面和孔径分析及热分析三种表征手段进行表征。
The surface hydrocarbon anomalies in the area was caused by oil and gas activities in deep part, according to the analysis and judgement using the carbon isotope and hydrocarbon ratio.
根据甲烷碳同位素法和烃类比值法分析判断该区地表烃类异常主要由深部油气活动所产生。
The gross flowers and height, diameter, crown width, crown height, crown surface of Chinese fir clones in Guangxi area were investigated by genetic correlation analysis and path-coefficient analysis.
对广西杉木无性系的总花量与树高、胸径、冠幅、冠高、树冠表面积进行了遗传相关及通径分析分析表明：总花量与生长性状之间的遗传相关系数均为负值；
PCNA positive surface area and grey scale value which were measured by quantitative image analysis.
图像定量分析法测量pcna阳性产物面积及灰度值。
Then triangulation is used for the calculation of a polygon's surface area, and viewshed analysis is carried out using the method of reference plane.
设计方案中对已有的数字高程模型进行加密内插，使用三角化方法来计算地表曲面面积，采用参考平面法实现区域通视分析。
Taking the dump of No. 2 surface coal mine in Shenglidong mining area in Inner Mongolia as a case. The research method is the combination of on-site investigation and data analysis.
以内蒙古胜利东二号露天矿排土场为例，通过实地调研与资料分析，对矿区采取的复垦技术进行了分析和总结。
Taking the dump of No. 2 surface coal mine in Shenglidong mining area in Inner Mongolia as a case. The research method is the combination of on-site investigation and data analysis.
以内蒙古胜利东二号露天矿排土场为例，通过实地调研与资料分析，对矿区采取的复垦技术进行了分析和总结。
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