查询词典 rank correlation

Using the Pearson correlation coefficient and Spearman rank correlation coefficient, the interspecific association of 13 species in different communities in Beijing mountainous area were investigated, and the niche breadth and niche overlap of 13 species were studied.

应用Pearson相关系数和Spearman秩相关系数检验，研究了北京山区天然林群落13个乔木种群的种间关联性，并对13种植物种群的生态位宽度和生态位重叠进行研究。

There was a strong correlation between rCBV and rCBF (spearman's rank correlation coefficient=0.772, p＜0.001). 2 None of the normal brain tissue exhibited NF-κB p65 protein.

30例胶质瘤中17例NF-κB p65蛋白表达阳性，阳性表达率为56.7％，阳性产物定位于肿瘤细胞核。10例正常脑组织中NF-κB p65无1例阳性表达。

Based on the dataset of 52 plots investigated from the field,the interspecific relationship among 31 dominant populations of the communities of abandoned land in Guandi Mountains,Shanxi was studied by using χ^2 test for 2 × 2 contingency tables,Pearson＇s correlation coefficient test and Spearman＇s rank correlation coefficient test, respectively.

根据野外52个样方的调查数据，运用2 2列联表的χ^2检验、Pearson相关系数检验和Spearman秩相关系数检验研究了山西关帝山撂荒地植被31个建群种和优势种种间关联和相关关系。

The interspecific relationships of the main tree species in the forest communities were studied using Fisher's exact test for a 2×2 contingency table, Pearson's correlation coefficient, Spearman's rank correlation coefficient.

采用 2× 2列联表的Fisher精确检验、Pearson相关系数和Spearman秩相关系数检验研究山西省历山自然保护区猪尾沟森林群落树种种间关系。

The induced changes in log mesopic contrast sensitivity showed significant negative correlation with the changes in third-order (r =-0.490, P =.0013 without glare; r =-0.362, P =.0177 with glare; Spearman rank correlation coefficient) and fourth-order root mean square (r =-0.586, P =.0001 and r =-0.306, P =.0450, respectively).

中间视力对比敏感度log值的变化与三阶像差(r =-0.490， P =。0013 无眩光； r =-0.362， P =。0177 ，有眩光； Spearman 等级相关系数)和四阶像差(r =-0.586， P =。0001无眩光；； r =-0.306， P =。0450有眩光，)的均方根呈显著负相关。

Correlation between causes and age were analyzed using rank correlation test,χ2 test and Logistic regression analysis.

采用等级相关、χ2检验以及Logistic回归方法分析各种诱因与各年龄段间的相关性。

The correlation with NSCLC was analyzed with Spearman rank correlation test.

用Spearman等级相关系数检验其与NSCLC发生的相关性。

METHODS: Semiquantitative RTPCR assay was used to detect the expression of MICA mRNA and SP immunohistochemistry to detect the expression of MICA protein in 41 patients with gastric cancer. Spearman rank correlation was used to analyze the correlation between them.

采用RTPCR技术检测41例高原地区胃癌组织和相应的癌旁粘膜组织中MICA mRNA表达，采用免疫组化SP法检测MICA蛋白在胃癌和癌旁组织中的表达，Spearman相关关系检验分析它们之间的相关性。

The methods of rank sum test, chi-square test, Spearman rank correlation, unconditional logistic regression and polytomous ordinal logistic regression were used to analyze the relation between patients finding and the influencing factors.

用秩和检验、X~2检验、Spearman等级相关、二分类logistic回归和多分类有序logistic回归等统计分析方法探讨各行政村肺结核病人筛查结果与各影响因素的关系并对筛查效果作初步评价。

In this paper, a total of 56 relatively nonpoint source pollution sediment samples were collected from the tidal flats of the Jiuduansha shoal and the Chongming island of the Yangtze river estuary. The main properties i. e., grain size distribution, contents of DCB (dithionite citrate bicarbonate extracted iron Fe(subscript d, AAO extracted iron Fe(subscript o, total Fe, DCB extracted Mn Mn(subscript d, total Mn, organic matter, magnetic susceptibility of the samples, as well as the concentrations of Cu, Zn, Pb, Cr, Cd and Ni in the samples, were determined. Basing on the data, the relation of the sediment properties to heavy metal concentrations was evaluated with pearson's rank and partial rank correlation analysis.

采集长江口无明显点源污染的崇明东滩和九段沙潮滩56个沉积物样品，测定沉积物原样和粘粒中Cu，Zn，Pb，Cr，Cd和Ni的含量以及沉积物的主要性状（粒径分布、游离铁、活性铁、总铁、游离锰、总锰、有机碳和磁化率等），以相关分析和偏相关分析研究沉积物中重金属含量与沉积物主要性质之间的关系。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。