نتایج جستجو برای: principal coordinatesanalysis pcoa

تعداد نتایج: 124372  

Journal: :Education Finance and Policy 2019

2014
Lorenzo Peruzzi Fahim Altınordu

Until now, basic karyological parameters have been used in different ways by researchers to infer karyological relationships among organisms. In the present study, we propose a standardized approach to this aim, integrating six different, not redundant, parameters in a multivariate PCoA analysis. These parameters are chromosome number, basic chromosome number, total haploid chromosome length, M...

Journal: :Forests 2021

Research studies on conservative genetics of endangered plants are very important to establish the management plans for conservation biodiversity. Rosewood is an evergreen tree Amazon region and its essential oil has great acceptance in medical cosmetic industry. The present study aimed explore genetic diversity population structure 90 rosewood accessions collected from eight localities Peruvia...

Comparing different methods of estimating the genetic diversity could define their usefulness in plant breeding programs. In this study, a total of 18 morphological traits and 20 simple sequence repeat (SSR) loci were used to study the morphological and genetic diversity among 20 maize hybrids selected from different countries, and to classify the hybrids into groups based on molecular profiles...

2014
Xiaolan Wu Guifang Guo

Based on the analysis of the properties of tent map, parallel chaos optimization algorithm (PCOA) using logistic map and outlook algorithm, a hybrid global optimization algorithm (PCOOA) is presented. The algorithm is structured in two stages. The first stage uses parallel chaos optimization based on tent map for global search, while outlook algorithm is employed in the second stage for local s...

Journal: :Bulletin of the American Mathematical Society 1947

Journal: :Journal of the Royal Statistical Society: Series B (Statistical Methodology) 2016

Journal: :Water 2022

Water microorganisms contribute to the key components of ecosystems in dryland waters, which are extremely important for wildlife. However, distribution patterns water microbes across different basal sources still largely unknown. This study was conducted compare bodies types Kalamaili Mountain Ungulate Nature Reserve China. Bioinformatic analysis revealed that undirected microbial co-existence...

Journal: :Frontiers in Astronomy and Space Sciences 2021

As human exploration missions to Mars are on the horizon, microbial cross-contamination remains a key issue address. These issues can be approached today using advances in molecular metagenomics methods, which include rapid and sensitive sequencing platforms for characterizing populations. Combined with analog missions, these methods provide powerful tools assessing challenges associated planet...

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