相似性系数

  • 网络similarity coefficient;similarity index;coefficient of similarity
相似性系数相似性系数
  1. 应用相似性系数分析方法,对新疆阿勒泰山天山地衣植物区系间的相似性进行定量研究。

    In this paper , coefficient of similarity analysis was used to study flora similarity of mountain lichen inXinjiang .

  2. 相似性系数的正确理解和运用,对植物区系地理学中的植物区系分区、过渡区的植物区系地理属性及植物区系起源演化都具有重要的理论意义。

    It is the most important in Floristic Geography to determine floristic region , geographical features of transitional floristic region and evolution of flora by correcting and using the coefficient of similarity .

  3. 计算了样品间的Nei和Li(1979)相似性系数,基于这一相似性系数应用UPGMA法进行聚类分析,得到了树状分枝图。

    We analyzed the AFLP data using Nei & Li similarity coefficient and UPGMA Cluster method .

  4. 弓子网和底拖网的Sorensen相似性系数(SS)为0.6349,两种网具渔获物组成的相似性较差。

    The similarity of composition of catches between beam trawl and bottom trawl was low to 0.6349 .

  5. KPN有3株相似性系数为100%;

    The similarity of 3 KPN isolates was 100 % .

  6. 雄株遗传多样性较高,样品间相似性系数平均值为0.873,Shannon信息多样性指数为0.2135。

    The male individuals also had a high level of genetic diversity , with 0.873 average similarity and 0.2135 of Shannon 's Information Index .

  7. 通过UPGMA聚类分析,芍药种质的遗传相似性系数在0.63~0.88之间。

    By UPGMA cluster analysis , the genetic similarity coefficient of herbaceous peony ranged from 0.63 to 0.88 .

  8. 相似性系数Sorenson指数(Cs)的测度表明,每一群落类型总是与退耕年限最邻近的群落具有最高的相似度。

    Sorenson 's similarity index ( Cs ) indicated that the similarity between every community and its nearest abandoned time was the highest .

  9. 方法应用随机扩增多态性DNA技术对李斯特氏菌基因组DNA进行扩增,根据DNA指纹图谱分析单核细胞增生性李斯特氏菌种、株的遗传多样性,同时构建相似性系数矩阵和树状图。

    Methods Genomic DNA of species and strains from Listeria spp . was amplified by the technique of random amplified polymorphic DNA ( RAPD ), and its genetic polymorphism , proximity matrix and cluster dendrogram were made out according to the RAPD fingerprinting .

  10. 利用UPGMA法,根据相似性系数构建的群体遗传聚类图直观地反映出了4个地点之间的关系。

    Population genetic clustering diagram constructed accordance the similarity coefficient by UPGMA method directly reflect the relationship between the four locations .

  11. 并通过Jaccard的方法将电泳带矩阵转化为遗传相似性系数矩阵,进行了UPGMA聚类分析。

    Cluster analysis was based on the UPGMA method .

  12. 计算各样本间的相似性系数和遗传距离,并采用UPGMA法对遗传距离进行了聚类分析。

    Genetic similarities were calculated using simple matching coefficient , and the phenogram was constructed by using UPGMA method . Three cultivars of N.

  13. 干部病房分离的10株ECO中有3株和2株相似性系数>90%和100%;

    The similar coefficients of 3 isolates and 2 ( isolates )( among ) the 10 ECO isolates from the ward for cadre were more than 90 % and 100 % ,( respectively . )

  14. 本文介绍了数据融合基本原理及相关知识,阐述了包括自适应加权融合算法、相似性系数算法、BP神经网络技术和D-S证据推理理论等数据融合技术。

    This thesis project introduces the basis theory and concerning information of data fusion . Such as adaptive weighted data fusion techniques , comparability coefficient techniques , Back-propagation neural networks theory , Dempster-Shafer theory and so on .

  15. RAMP标记遗传相似性系数(GS)变异范围为0.266~0.658,平均值为0.449。RAMP标记可将所有供试材料完全区分开。

    The RAMP-based genetic similarity ( GS ) among 21 Secale accessions ranged from 0.266 to 0.658 , with a mean of 0.449 . All the 21 accessions could be distinguished by RAMP markers .

  16. 消化科和呼吸科分别在7株和18株ECO中,有2株和2株相似性系数>90%;

    The similar ( coefficients ) of 2 isolates among the 7 ECO isolates from the gastroenterology ward and 2 ( isolates )( among ) the 18 ECO isolates from the respiratory ward were more than 90 % .

  17. 经测定各生境的多样性指数H′,优势度指数C′,均匀性指数E′和相似性系数,结果表明植被类型、土壤有机质含量是影响土壤动物群落结构的主要生态因子。

    The results showed it was these main ecological factors including the vegetation types and organic contents that had effect on structure of the soil animal community after analyzing the indexes of diversity ( H )′, dominance ( C )′, evenness ( E )′ and comparability coefficient of different habitats .

  18. 根据样品间的Dice相似性系数,分别对雌株和雄株做了主成分分析(PCA);用UPGMA法进行了单株聚类分析。

    Principal components analysis ( PCA ) was conducted for females and males respectively , and dendrogram was constructed using an unweighted pair-group method with arithmetical averages ( UPGMA ) method by Dice similarity coefficient .

  19. P.delavayi与P.ludlowi相似性系数为0.60,聚为一支;

    The similarity coefficient between P.delavayi and P.ludlowii was 0.60 , and they were clustered in a clade .

  20. iv.与中南半岛的联系最为紧密,海南140个蕨类属中有136个与中南半岛共有,两地属的相似性系数达到87.2%;

    Iv. the most close relation with the pteridophyte flora of Indochina & of the 140 pteridophyte genera in Hainan , 136 also occur in Indochina , the similarity coefficient between Hainan and Indochina reaches to 87.2 % ;

  21. 根据不同生境物种的相似性系数CC进行系统聚类,5种生境在相似性系数为0.226水平时已被归并为两组,即原生森林组和次生环境组。

    And evenness indexes Jsi range from 0.670 to 0.956 . On the base of similarity coefficients CC in Table 3 , the five different kinds of habitats can be clearly clustered into 2 groups by the systematic clustering : original forest group and secondary habitat group .

  22. 将ISSR和SSR标记统计数据合并后进行聚类分析,供试76份种质的相似性系数在0.65-0.96之间,在相似性系数水平为0.79时,将所有供试材料分为6大类群。

    The clustering analysis of the mergered statistics between ISSR and SSR marker showed that the similarity coefficient of 76 eggplant germplasms were between 0.65 and 0.96 , on the similarity coefficient level of 0.79 when all the tested materials were divided into 6 clusters .

  23. 用BrayCurtis群落相似性系数聚类分析,浙南岛屿潮间带石鳖群落可聚为两大类型。

    Bray-Curtis community similarity index is used to deal with the community similarity and cluster analysis . The result shows that Chitons community in rocky intertidal zone of the islands in south Zhejiang can be clustered into two types .

  24. 各基因型间的Nei氏相似性系数分布在0.407~0.931之间,平均相似性为0.765,可见石刁柏各基因型之间的遗传多态性较为丰富。

    The result of genetic similarity analysis for 43 asparagus genotypes showed that the Nei ′ s coefficient ranged from 0.407 to 0.931 , and the average Nei ′ s coefficient was 0.765 , suggesting that there was a rich genetic polymorphism among them .

  25. Nei氏相似性系数的分析结果,荞麦种间平均相似系数为0.411,种内平均相似系数为0.786,表明云南荞麦资源种间比种内具有更丰富的多样性;

    The result of Nei 's similar coefficient showed that the average similar coefficient between species was 0.411 while that within species 0.786 . It showed that the wild buckwheat resources between species from Yunnan have more abundant genetic diverse than that within species ;

  26. 采用HypersilODS-C18色谱柱,以4:6(V/V)的甲醇-0.5%乙酸铵溶液作流动相,流速1.0mL/min,用二极管阵列检测器于436nm波长下进行检测,并以保留时间和三维光谱图相似性系数进行定性。

    In this method , a hypersil ODS - C18 colume was used with methanol and 0.5 % acetic-ammonium ( 40:60 , V / V ) as mobile phase . The flow rate was 1.0mL/min . A diode array detector was used and the detection wavelength was 436 nm .

  27. 不同林带间的夜蛾相似性系数很低。

    Similarity coefficient of species was very low in different habitats .

  28. 湿地和灌丛之间的相似性系数最高。

    The similarity coefficient between wetland and shrubbery is the highest .

  29. 裸岩生境与其它各生境之间的相似性系数都较低。

    The similarity coefficient of bare rock and other habitat were smaller .

  30. 植物区系地理研究中的重要参数&相似性系数

    Cofficient of Similarity - an Important Parameter in Floristic Geography