相似性指数

用Nei氏公式计算品种内个体间的遗传相似性指数平均为0.9023。

The genetic similarity index among individuals were calculated by Nei .

出口相似性指数表明双方在出口结构上存在较大的差异；

China and EUhave different export structures as revealed by Export Similarity Index .

本研究提出基于EEG序列模糊相似性指数方法预测癫痫发作。

This paper proposes a fuzzy similarity method to predict epileptic seizures with electroencephalography ( EEG ) .

根据Nei氏公式计算出3种贝类种间和种内的遗传相似性指数和相对遗传距离，并进行聚类分析。

According to Nei 's formula , the genetic comparability index was counted .

通过借鉴多维相似性指数的计算方法，利用Ward聚类得到山东省114个县级统计单元的聚类图谱。

The cluster atlas of 114 statistical units at county level in Shandong Province is derived by using the ward cluster and the calculation method of multi-dimensional indexes .

PCR-DGGE分析肠道菌群结果：①实验第0天各组间DGGE图谱条带相似性指数都在56%以上（试验组中的一个体除外）。

The DGGE results indicated that : ① DGGE band pattern similarity indices of all groups in the first experimental day were at or above 56 % .

17个披碱草属牧草居群的遗传相似性指数在0.284～0.955之间，UPGMA聚类分析结果表明，当相似系数为0.59时，17个牧草居群可明显划分为4类。

Genetic identity ranged from 0.284 to 0.955 among the 17 populations . The cluster analysis with UPGMA showed that when genetic identity is 0.59 , the 17 populations could be divided into 4 groups . 2 .

主要研究结果如下：（1）以植物重要值、Simpson指数、Shannon-Wiener旨数、Pielou指数以及Sorenson相似性指数，对紫金山6个主要森林群落进行了研究。

Followings are the main results . ( 1 ) The important value , Simpson index , Shannon-wiener index , Pielou evenness index and Sorenson similarity coefficient were applied to study the main forest communities in the Purple Mountain .

采用比较分子力场分析法（CoMFA）和比较分子相似性指数分析法（CoMSIA），系统地研究了40个苯并呋喃类N-肉豆蔻酰基转移酶（NMT）抑制剂的三维定量构效关系。

Using comparative molecular field analysis ( CoMFA ) and comparative molecular similarity indices analysis ( CoMSIA ), three dimensional structure-activity relationship ( 3D-QSAR ) studies were carried out on a series of benzofuran N-myristoyl transferase ( NMT ) inhibitors .

中国与东盟农产品贸易竞争关系&基于出口相似性指数的实证分析

The Relationship of Agriculture Trade Competition between China and ASEAN

随着海拔差的增加，群落相似性指数增加率也是不同的。

The rate of community dissimilarity index increased with the increasing the altitude difference .

用群落生态学方法计算群落结构、多样性和相似性指数。

A series of ecological methods about community structure diversity and similarity was involved in this paper .

方法：1998年6月至1999年5月在该地区的3类生境中，用群落生态学方法计算群落结构、多样性和相似性指数。

Method : A series of ecological methods are involved in this paper of community structure , diversity and similarity .

通过对群落相似性指数的计测可以看出生境类型与物种分布具有连续性。

The continuity of the habitat type and distribution of the species could be seen by calculating the similarity index .

2群落的相似性指数为46.5%，表明二者间存在一定的联系。

The similarity index of the two communities was 46.5 % , indicating that there was a definite relation between them .

繁殖期和繁殖后的食物百分率相似性指数及营养生态位重叠值小，而食物百分率相异性及营养生态位分离值大。

Both the index of food percentage similarity and the overlap of trophic niches between breeding period and post breeding period were lower .

其它12个无性系两两间的遗传相似性指数均大于0.58。致倍蚜的分子遗传聚类结果与倍子形态分类存在差异。

The clone-to-clone SI in the other 12 sample aphids were higher than 0.58.Differences between gallnuts ' morphological classification and aphids ' molecular genetic cluster existed .

本文利用出口相似性指数分别从产品和市场两个角度分析了中国与东盟国家农产品贸易竞争关系的强弱及其变化趋势。

Using export similarity index , this paper analyzes the agricultural trade competition degree and its trends between China and ASEAN from the product and market angle .

相似性指数最高是群落E－F（0.6363），而最低是群落D－F（0.1552）。

The similarity index between community E and F ( 0.6363 ) is the highest , the lowest is between community D and F ( 0.1552 ) .

工作和野外环境的群落相似性指数最低，达到极度不相似水平。淮南地区粉螨群落与生境关系研究初报

The acaroid mite community in work environment was most different from that in external environment . Relationships between communities of acaroid mite and habitats in Huainan area

相关回归分析表明，3种多样性指数均随群落种类数的增加而显著升高，随群落优势度和相似性指数的增大而显著下降。

Analysis of regression indicated that the high diversity index , the more species , and the low diversity index , the high index of dominance and similarity .

基于这三种赤潮藻的活体叶绿素荧光激发光谱，通过计算光谱相似性指数对其进行识别。

In this paper in vivo fluorescence excitation spectra were measured and the discrimination method of the red tide algae was established by the similarity index of spectra .

再次，用出口相似性指数，从市场角度对中国与越南在第三市场的贸易竞争状况进行了实证分析。

Moreover , the empirical analysis of the competitiveness between China and Vietnam on the third market is included , through their calculation of export similarity index individually .

分析结果表明模糊相似性指数方法能够比动态相似性指数方法获得更长的预测时间和更低的错误预测率。

The result shows that the fuzzy similarity index is better than dynamical similarity index in increasing anticipation time and decreasing false prediction rate for the prediction of epileptic seizure .

两个群体间的遗传分化指数为0.0478，说明两个群体间存在轻度的遗传分化；两个群体间的遗传距离为0.1685，遗传相似性指数为0.8449。

Fst between the two populations was 0.0478 , there were moderate genetic differentiation between two populations . The genetic distance was 0.1685 , and the genetic identity index was 0.8449 .

对中国与东盟农产品出口韩国的产品相似性指数及国别比较优势指数进行测算的结果表明，双方相似性较高，竞争也较激烈。

According to the test result from similarity index and CAC index , the products from China and ASEAN have high similarity , and the competition between them is becoming fierce .

作者认为除种类组成和多样性指数外，种类相似性指数也是反映生物群落结构的一个重要特征。

Moveover , the authors realize that not only the species composition and the index of diversity but also the index of species similarity are the important characteristics of the community structure .

白鲫与红鲫的遗传相似性指数最大，为0.8116，其遗传距离为0.1884，这可推断白鲫与红鲫亲缘关系较近。

Auratus cuvieri genetic similarity indices to C. auratus red var is most greatly 0.8116 , its genetic distances is 0.1884 , which infers that the phylogenetic relationships of C. auratus cuvieri and C.

相邻样方间相似性指数的变化反映了不同类型群落在研究区内的镶嵌分布，从而形成了该区域内群落的多样性和复杂性。

The similarity indices of neighboring quadrats could reflect the mosaic pattern of different type communities , and thus , the diversity and complexity of communities along this gradient , which could be reconfirmed by DCA ordination .

从群体间来看，四种群体中，鲫鱼和白鲫间的遗传相似性指数最小，为0.7143，其遗传距离为0.2857，说明这两种群体亲缘关系较远；

From four populations of Auratus , it is 0.7143 that genetic similarity indices between C. auratus auratus and C. auratus cuvieri is minimum , its genetic distances is 0.2857 , proving the phylogenetic relationships of two populations are relatively far .