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maximum likelihood analysis
相关语句
  似然分析
     Maximum Likelihood Analysis for Mapping Dynamic Trait QTL in Outbred PopulationⅠ.Methodology
     远交群体动态性状基因定位的似然分析 Ⅰ.理论方法
短句来源
     Maximum Likelihood Analysis for Mapping Dynamic Trait QTL in Outbred Population Ⅱ.Simulation
     远交群体动态性状基因定位的似然分析 Ⅱ.模拟研究
短句来源
     Maximum Likelihood Analysis for Mapping Dynamic Trait QTL in F_2 Population
     F_2群体动态性状基因定位的极大似然分析
短句来源
  “maximum likelihood analysis”译为未确定词的双语例句
     The Application of the Clustering Analysis and Maximum Likelihood Analysis in the Premarital Sexual Behavior Study of the Medical College Students
     聚类分析和最大似然法在医科大学生婚前性行为研究中的应用
短句来源
     Mapping QTL for Categorical Trait Using Multiple Trait Maximum Likelihood Analysis
     分类性状基因定位的多性状似然分析法
短句来源
     Seafloor Classification from Multibeam Backscatter Data Using Maximum Likelihood Analysis
     最大似然分类法在多波束底质分类中的应用
短句来源
     Six most parsimonious trees with a length=60, a CI=0.917, and an RI=0.898 were obtained by the maximum parsimony analysis when the gaps were treated as missing. The topology of the strict consensus tree was identical with that of the maximum likelihood analysis with slightly different bootstrap values.
     采用最大简约法分析获得 6个最简约树 ,步长为 6 0 ,一致性指数 (CI)和维持性指数 (RI)值分别为 0 .91 7和 0 .898,利用 6个最简约树获取严格一致树。
短句来源
     Based on the maximum likelihood analysis principle for dynamic trait QTL mapping,selecting three orders Legendre polynomial as sub-model,the effects of the individual number,the frequency of test day,the marker density and heritability on detecting power are investigated by Monte-Carlo simulation.
     以远交设计群体为例 ,在推导出动态性状基因定位的似然法分析过程的基础上 ,选择 3阶Legendre多项式为子模型 ,采用Monte Carlo方法模拟研究了不同个体数、测定日频数、标记密度和QTL遗传贡献率对两种分析方法检测QTL效率的影响。
短句来源
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  相似匹配句对
     On Generalized Maximum Likelihood Estimation
     浅论“广义”最大似然估计
短句来源
     Totally Maximum Likelihood Estimation
     完全极大似然估计
短句来源
     is maximum.
     的影响极大。
短句来源
     Data Envelopment Analysis and Maximum Likelihood Estimator
     数据包络分析与极大似然估计
短句来源
     Analysis of precision for maximum likelihood estimation in the Weibull distribution
     威布尔分布的极大似然估计的精度分析
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  maximum likelihood analysis
A substitution rate of 1.70 (±1.03)?×?10-4?nt subst/site/year was obtained for the NSAV subtype by maximum likelihood analysis.
      
Maximum likelihood analysis of 113 rbcL sequences leads to a well resolved phylogeny of Jungermanniales.
      
A maximum likelihood analysis of a nrITS sequence alignment with sequences of P.
      
Maximum likelihood analysis is consistent with the parsimony results.
      
A general maximum likelihood analysis of measurement error in generalized linear models
      
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Data from the Tibet air shower array were used to examine the cosmic ray shadows of the Moon and the Sun at energies around 10Tev . The shadowing effect was clearly observed at the 5.8level for the Moon, while the shadow of the Sun was found in the direction away from the sun by 0. 86°tothe west and 0. 43°to the south. The effect of the geomagnetic field has also been observed in the shadow of cosmic rays by the Moon. The observed deflection of the sun's shadow is briefly discussed in connection with the effect...

Data from the Tibet air shower array were used to examine the cosmic ray shadows of the Moon and the Sun at energies around 10Tev . The shadowing effect was clearly observed at the 5.8level for the Moon, while the shadow of the Sun was found in the direction away from the sun by 0. 86°tothe west and 0. 43°to the south. The effect of the geomagnetic field has also been observed in the shadow of cosmic rays by the Moon. The observed deflection of the sun's shadow is briefly discussed in connection with the effect of the magnetic fields between the sun and the Earth. This is the first observation of the effects of such magnetic fields on the cosmic ray shadow. The maximum-likelihood analysis of the Moon data set shows that the angular resolutions of the array for showers with its mode energies 7TeVand 35TeV are 0. 87°-0.13°+0.10°and 0. 54°-0.08°+0.11°,respectively.

本文主要讨论西藏羊八井用来检测太阳与月亮宇宙射线阴影的空气簇射阵列及太阳与地球之间磁场的作用。

Two distinct morphotypes of bottlenose dolphins ( Tursiops sp.) in Chinese waters have been recently referred to as T. truncatus and T. aduncus. However, the genetic composition and divergence of bottlenose dolphins in Chinese waters is not clear. 424 base pairs (bp) of the mitochondrial control region collected from 30 bottlenose dolphins from the Yellow and East China Seas, the Taiwan Strait and the Gulf of Beibuwan were sequenced. Combined with previously published mtDNA control region sequences...

Two distinct morphotypes of bottlenose dolphins ( Tursiops sp.) in Chinese waters have been recently referred to as T. truncatus and T. aduncus. However, the genetic composition and divergence of bottlenose dolphins in Chinese waters is not clear. 424 base pairs (bp) of the mitochondrial control region collected from 30 bottlenose dolphins from the Yellow and East China Seas, the Taiwan Strait and the Gulf of Beibuwan were sequenced. Combined with previously published mtDNA control region sequences of bottlenose dolphins from Chinese waters, 54 variable sites were determined and 37 haplotypes were identified. No shared haplotypes were found between two morphotypes, and eight fixed diagnostic site differences separate the two morphotypes. Phylogenetic relationships among haplotypes were determined using the maximum likelihood method and the neighbor joining method. Maximum likelihood analysis was performed using the Phylogenetic Inference Package (PHYLIP) version 3 5c. The distance matrix for neighbor joining analysis was generated using the Tamura Nei Gamma distance method of the Molecular Evolutionary Genetic Analysis (MEGA). Neighbor joining analysis was also performed using MEGA with 500 bootstraps. The average number of substitutions per site within groups (nucleotide diversity) and between groups (nucleotide divergence) were estimated using DnaSP. Haplotypic diversity for the two morphotypes of Chinese waters was also estimated. Reconstruction of the phylogenetic relationships among haplotypes divided the 37 haplotypes of bottlenose dolphins into monophyletic clades representing the two morphotypes. The average nucleotide divergence between the two morphotypes is 5 58%, which is about five times greater than between Delphinus species (1 09%). These support the conclusion that the two morphotypes of bottlenose dolphins in Chinese waters represent distinct species, i.e. T. truncatus and T. aduncus. Net nucleotide divergence between the two species was 3 79%. As the substitution rate for the cetacean mtDNA control region has been estimated to be 0 5% per million years, the two species probably diverged about 7 5 million years ago (Mya). Although the distribution of the two species overlap in the Taiwan Strait (and maybe adjacent waters), there is no genetic interchange between them, indicating reproductive isolation. In order to conserve more genetic diversity of Tursiops in the Chinese waters, the two species should be treated as independent conservation management units in conservation planning.

测定了 30头中国水域瓶鼻海豚 (Tursiopssp .)mtDNA控制区 5′端 4 2 4bp的序列 ,结合已发表的中国水域其它瓶鼻海豚的mtDNA控制区序列 ,共发现 5 4个变异位点 ,定义了 37种单元型。中国水域瓶鼻海豚的两个形态型之间没有共享单元型 ,且具有 8个鉴别位点。基于最大似然法和邻接法的系统发生分析均把单元型聚类为分别代表两个形态型的支系。形态型之间的核苷酸歧异度为 5 5 8% ,超过了其它海豚类种间的序列歧异水平 ,支持把这两个形态型划分为两个独立的种 ,即T .truncatus和T .aduncus的观点。虽然两种瓶鼻海豚的分布区在台湾海峡一带出现重叠 ,但相互之间缺乏基因流动 ,提示两者可能已出现了显著的生殖隔离

The subgenus Azaleastrum Planch. of Rhododendron L. (Ericaceae) was traditionally divided into two sections, i.e. sect. Azaleastrum (Planch.) Maxim. and sect. Choniastrum Planch. The internal transcribed spacer (ITS) regions of nuclear ribosomal DNA from seven species and one variety of subg. Azaleastrum were sequenced. The ITS sequences of these taxa, together with those of two species of sect. Choniastrum and two related monotypic subgenera, subg. Mumeazalea Maxim. and subg. Candidastrum (Sleumer) Philip....

The subgenus Azaleastrum Planch. of Rhododendron L. (Ericaceae) was traditionally divided into two sections, i.e. sect. Azaleastrum (Planch.) Maxim. and sect. Choniastrum Planch. The internal transcribed spacer (ITS) regions of nuclear ribosomal DNA from seven species and one variety of subg. Azaleastrum were sequenced. The ITS sequences of these taxa, together with those of two species of sect. Choniastrum and two related monotypic subgenera, subg. Mumeazalea Maxim. and subg. Candidastrum (Sleumer) Philip. & Philip., were analyzed to reconstruct the phylogeny of the sect. Azaleastrum using PAUP4.0b8, with R. redowskianum Maxim. of subg. Therorhodion (Maxim.) Gray as outgroup. Six most parsimonious trees with a length=60, a CI=0.917, and an RI=0.898 were obtained by the maximum parsimony analysis when the gaps were treated as missing. The topology of the strict consensus tree was identical with that of the maximum likelihood analysis with slightly different bootstrap values. Subg. Candidastrum was nested in the basal position. Subg. Azaleastrum was not monophyletic, but both sect. Azaleastrum and sect. Choniastrum were monophyletic groups with bootstrap values of 81% and 100% respectively. Sect. Azaleastrum was divided into two clades with bootstrap values of 93% and 62% respectively. Subg. Mumeazalea was resolved as sister to sect. Azaleastrum.

以杜鹃花属叶状苞亚属Rhododendronsubg .Therorhodion (Maxim .)Gray的叶状苞杜鹃R .re dowskianumMaxim .为外类群 ,使用PAUP4.0b8软件对马银花亚属subg .AzaleastrumPlanch .的马银花组sect.Azaleastrum (Planch.)Maxim .7种 1变种和长蕊杜鹃组sect.ChoniastrumPlanch .2种及 2个相关的单型亚属 (异蕊杜鹃亚属subg .MumeazaleaMaxim .和纯白杜鹃亚属subg.Candidastrum (Sleumer)Philip .&Philip.)进行了系统发育分析。采用最大简约法分析获得 6个最简约树 ,步长为 6 0 ,一致性指数 (CI)和维持性指数 (RI)值分别为 0 .91 7和 0 .898,利用 6个最简约树获取严格一致树。用最大似然法获得的系统树与严格一致树完全相同 ,只是支持率略有不同。结果表明纯白杜鹃亚属位于系统树的基部 ;马银花亚属不是一个单系类群 ,但马银花组和长蕊杜鹃组分别构成单系 ,支持率分别为 81 %和 1 0 0 % ;在马...

以杜鹃花属叶状苞亚属Rhododendronsubg .Therorhodion (Maxim .)Gray的叶状苞杜鹃R .re dowskianumMaxim .为外类群 ,使用PAUP4.0b8软件对马银花亚属subg .AzaleastrumPlanch .的马银花组sect.Azaleastrum (Planch.)Maxim .7种 1变种和长蕊杜鹃组sect.ChoniastrumPlanch .2种及 2个相关的单型亚属 (异蕊杜鹃亚属subg .MumeazaleaMaxim .和纯白杜鹃亚属subg.Candidastrum (Sleumer)Philip .&Philip.)进行了系统发育分析。采用最大简约法分析获得 6个最简约树 ,步长为 6 0 ,一致性指数 (CI)和维持性指数 (RI)值分别为 0 .91 7和 0 .898,利用 6个最简约树获取严格一致树。用最大似然法获得的系统树与严格一致树完全相同 ,只是支持率略有不同。结果表明纯白杜鹃亚属位于系统树的基部 ;马银花亚属不是一个单系类群 ,但马银花组和长蕊杜鹃组分别构成单系 ,支持率分别为 81 %和 1 0 0 % ;在马银花组内形成两个分支 ,内部支持率分别为 93 %和 6 2 %。异蕊杜鹃亚属与马银花组构成姐妹群关系

 
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