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鉴别与分类的
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  identification and classification
     Identification and Classification of Hemerocallis Resources with AFLP Molecular MarkersⅠ.Making of DNA Template
     萱草种质资源扩增片段长度多态性鉴别与分类的研究Ⅰ.萱草DNA模板的制备
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     Identification and Classification of Hemerdcallis Resources with Using AFLP Molecule Marker Ⅱ.AFLP Analysis of Five Materials of Orange Daylily
     萱草种质资源扩增片段长度多态性鉴别与分类的研究 Ⅱ.5个萱草材料的AFLP分析
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     Actinobacteria的分离鉴别
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     and J.
     J.
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     Appraising and Maintaininq Pearl
     珍珠鉴别保养
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     The Idea and Morphology of the Classification of Crime
     犯罪分类的观念形态
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  identification and classification
Chromosome identification and classification of the lines will permit them to be models for genetic studies that can be used thereafter as promising "secondary gene pools" for the purpose of plant breeding.
      
Chromosome identification and classification of the lines makes it possible to use them in breeding programs and genetic studies.
      
Examples of identification and classification of signals in the presence of distortions, noises, and interference are given.
      
The problems of identification and classification of these objects are addressed.
      
Identification and classification of subspecies of Asian cultivated rice and their hybrids
      
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Laser induced fluorescence spectra of various plants can be obstained by illuminating with 337 nm N2 laser.Differences among peak wavelengthes and peak intensities can be used to distinguish woody broadleaf trees and coniferous trees, as well as herbaceous dicotyledon and monocotyledon. Fluorescence intensity ratios of 685 nm/740 nm and 440 nm/550 nm can be used as two parameters to distinguish plants. Suitable period and season should be selected for detecting plants when using the technology of laser induced...

Laser induced fluorescence spectra of various plants can be obstained by illuminating with 337 nm N2 laser.Differences among peak wavelengthes and peak intensities can be used to distinguish woody broadleaf trees and coniferous trees, as well as herbaceous dicotyledon and monocotyledon. Fluorescence intensity ratios of 685 nm/740 nm and 440 nm/550 nm can be used as two parameters to distinguish plants. Suitable period and season should be selected for detecting plants when using the technology of laser induced fluorescence, the optimum detecting period of monocotyledon in joining stage, dicotyledon branching stage, woody plants between late spring and early summer. The paper also discribed the identification and classfication of plants, as well as the significance and application propects to monitor growth vigors of plants using the technology of laser induced fluorescence.

用337nm氮分子激光照射不同种类的植物,可以得到每一种类植物的激光诱导荧光特征光谱。利用峰的波长,荧光强度的差异可以将木本阔叶树、针叶树,草本双子叶及单子叶植物加以区分。685与740以及440与550nm的荧光强度比值均可以作为植物区分的两种参数。用激光诱导荧光技术监测植物要选择合适的生长期和季节,单子叶植物应选拔节期,双子叶植物应选营养生长期,而木本植物则应选在春末夏初。研究表明,激光诱导荧光遥感技术对植物鉴别与分类以及植物的长势监测具有极其重要的意义和应用前景。

This paper analysed the ultraviolet spectra of 23 samples of Bulbus lilii,18samples of Hippocampus and l7 samples of the pill-Ermiaowan and its additional drugs to take plant crude drugs,animal crude drugs and traditional Chinese medicine as an object of study.The numerical index matrix obtained by means of principal component analysis method were condensed into two summing up indexes to distinguish between different and same samples,thereby the identification and classification of animal and plant crude drugsand...

This paper analysed the ultraviolet spectra of 23 samples of Bulbus lilii,18samples of Hippocampus and l7 samples of the pill-Ermiaowan and its additional drugs to take plant crude drugs,animal crude drugs and traditional Chinese medicine as an object of study.The numerical index matrix obtained by means of principal component analysis method were condensed into two summing up indexes to distinguish between different and same samples,thereby the identification and classification of animal and plant crude drugsand traditional Chinese medicine were accomplished in the plane figure of the binary principal components.

本文以植物药百合、动物药海马、中成药二妙丸为研究对象.取百合的23个样品,海马的20个样品,二妙丸与加味药的17个样品进行紫外色谱或光谱分析,对所得的数量化指标矩阵进行主成分分析,压缩出两个用以区分样品间异同的综合性指标──二元主成分,在二元主成分平面图上实现了对动植物药、中成药的鉴别与分类.

Fluorescence in situ hybridization (FISH) is a promising technique used in c ytogenetic researches at the molecular level.In this paper,the current and pote ntial uses of this technique in fishes are reviewed,with regards to such fields as gene localization,sex identification,chromosome variation,and interspecie s hybridization.FISH has been successively applied into localization of rRNA ge ne in many kinds of fishes,which not only enriched the cytogenetic studies of f ishes but also provided deep implication...

Fluorescence in situ hybridization (FISH) is a promising technique used in c ytogenetic researches at the molecular level.In this paper,the current and pote ntial uses of this technique in fishes are reviewed,with regards to such fields as gene localization,sex identification,chromosome variation,and interspecie s hybridization.FISH has been successively applied into localization of rRNA ge ne in many kinds of fishes,which not only enriched the cytogenetic studies of f ishes but also provided deep implication for chromosome evolution of fishes.His tones gene and some disease related genes have also been localized in several f ish species.Sex specific FISH probes (including sex related probes and sex ch romosome related probes) have been obtained and put into sex identification of several fish species.Species specific FISH probes have been used to examine chr omosome elimination and interspecific hybrids in several kinds of fishes.In the same way,telomere repetitive sequences have been localized in several fish spec ies and used to examine chromosome rearrangement.Centromere specific probes and telomere specific probes will be helpful in chromosome identification and sort ing of fishes whose chromosomes are too small to be easily analyzed with traditi onal techniques.

荧光原位杂交技术(fluorescenceinsituhybridization,FISH)是一种在分子水平上进行细胞遗传学研究的得力工具。本文综述了近年来FISH技术在鱼类的基因定位、性别鉴定、染色体变异及种间杂交等研究中的应用;并将此技术在鱼类的基因定位、早期性别鉴定、染色体重排与进化、染色体鉴别与分类及杂交鉴定等方面的应用前景作一展望。

 
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