1) Semivariance model
半方差函数模型
2) Semivariance
半方差函数
1.
The result of semivariance analysis showed that the metal concentrations were correlated in .
通过半方差函数分析,发现10种重金属元素在一定范围内均存在空间相关性。
2.
Based on gridding sampling,soil water was conducted with Trime measuring system in pear orchard of Yantai Academy of Agricultural Sciences from April to August in 2005,and the soil water statistic characteristic,semivariance,fractal dimension and the law of temporal and spatial distribution were also studied.
2005年4~8月期间,利用Trime水分速测系统,采用网格化取样方式对烟台农科院梨园的土壤(0~30cm)水分的90个样点进行了四次取样,并运用传统统计学和地统计学方法对土壤水分的数据统计特征、半方差函数和分维数及其时空分布规律进行了分析。
3) semi-variance function
半方差函数
1.
Sampling and testing were conducted on the mineralizations degree of groundwater in the 670 km~2 of Sangong River Basin,Xinjiang and semi-variance function analysis was made afterwards on the data obtained by the application of geostatistics.
对面积约670km2的新疆三工河流域地下水矿化度进行了取样检测,应用地质统计学方法对取得的数据进行了半方差函数分析,计算了平均值、方差、标准差、变异系数等传统统计特征值,并指出了用该方法表示地下水矿化度所存在的不足。
4) semi-variogram
半方差函数
1.
The results showed that the spatialcorrelation of soil organic matter at this large scale was middling dependent , and the semi-variograms of soil organic matter is best fitted by exponential model , in the space of the fi.
结果表明:土壤有机质表现为中等的空间自相关性,半方差函数符合球状模型,有机质含量在空间呈现一定的变化规律。
6) Semivariogram
半方差函数
1.
Application of Semivariogram Texture Distilling for Remote Sensing Image Classification;
半方差函数纹理提取在遥感图像分类中的应用
2.
Thirty boxes with size of 3°×3° were divided for the SCS,and the parameters of semivariogram of each box were computed to find the relationship between the spatial patterns of chlorophyll and geophysical processes.
将南海划分为30个3°×3°区域,利用MODIS 4km分辨率遥感数据,计算2003年4、7、10、12月每个区域表层叶绿素的半方差函数,分析南海表层叶绿素的空间变化特征。
3.
The spatial distribution features were quantitatively described by semivariogram.
为了研究德兴地区土壤中10种重金属元素含量的空间分布特征,采用半方差函数定量描述了空间分布结构特征并绘制含量分布图。
补充资料：半经验模型
分子式：
CAS号：
性质：化工中大多数过程是相当复杂的，往往难以进行如实的数学描述。人们设法对复杂的过程作必要的合理的简化，描述所建立的数学模型，需经实验检验和修正，并确定其模型参数，这种模型称为半经验模型。
CAS号：
性质：化工中大多数过程是相当复杂的，往往难以进行如实的数学描述。人们设法对复杂的过程作必要的合理的简化，描述所建立的数学模型，需经实验检验和修正，并确定其模型参数，这种模型称为半经验模型。
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参考词条