PCA 第1页

Study on Forestry Division Method at County Level Based on GIS with Integrated Modeling Transformation of Barnyardgrass (Echinochloa crusgalli) Root Type Phosphoenolpyruvate Carboxylase Gene into Rice (Oryza sativa) Plants and Their Effects on Photosynthesitic Gas Exchange Identification and Classification of Sorghum Cultivars for Drought Resistance during Germination Stage Based on Principal Components Analysis and Self Organizing Map Cluster Analysis Soil Nutrients and Microbial Functional Diversity of Different Stand Types in Qinghai Province Wood Identification Method Based on Microstructure Images in Cross-Section Wood Identification Based on Feature Fusion of PCA and FisherTrees Remote Sensing Estimation of Forest Canopy Density Combined with Texture Features Correlation between the Growth of Dominant Trees and Surface Soil Physiochemical Properties of Conifer and Broad-Leaved Mixed Forest at Different Succession Stages HPLC fingerprint and pattern recognition of Deng’s Herbal Tea Granula HPLC fingerprint and pattern recognition of Deng’s Herbal Tea Granula Chemical constituent changes of Aconiti Radix Cocta in compatibility process with Fritillariae Cirrhosae Bulbus and Fritillariae Thunbergii Bulbus HPLC Fingerprint and chemical pattern recognition method of polar components in Qingyan Dropping Pill HPLC Fingerprint on wild germplasm resource of Ophiopogon japonicus in Sichuan and its chemical pattern recognition Impacts of road network on forest landscape pattern in Great Xing’an Mountains of Northeast China. ESTABLISHMENT OF PATTERN RECOGNITION METHOD OR DIFFERENT RICE TYPE BASED ON HYPERSPECTRAL DATA Study on anaphylaxis and hemocytolysis of 6 kinds of tween-80 injection from different souce The Diversity of Seed Plants in Liugujian Nature Reserve and Its Conservation Strategy Optimum Combination of Plant Wax Compositions As Markers in the Composition Estimation of Dietary Plant Species of Desert Steppe in Inner Mongolia Analysis of Chinese medicine tablets on coating qualitybased on support vector machine NMR-spectroscopy-based metabonomic study on mouse model of blood deficiency syndrome induced by compound method of bleeding,starved feeding and exhausting and effect of Siwutang Study on effects of extract in Naomaitong Formula on cerebral ischemia-reperfusion model based on NMR metabolomics Quantitative analysis on sharp-tooth oak stands in Qinling Mountains Ecological mechanisms of vegetation succession of coastal wetland in Yancheng Nature Reserve Preliminary Evaluation on Fine Clones of Chinese fir Based on Sexual Progeny Tests STUDY ON THE APPLICATION OF GRADIENT ANALYSIS TECHNIQUE IN PLANT DROUGHT RESISTANCE THE ORDINATION OF BETULA ALBO SINENSIS FOREST IN THE TAIBAI MOUNTAIN Fruit Characters and Principal Component Analysis of Different Ploidy of Kiwifruit Cultivars(Actinidia Chinensis Planch) Study on UPLC-UV-ELSD fingerprint for roots of Panax quinquefolius Comparative analysis on chemical constituents in different parts of Tritulus terrestris from different areas Development of gas chromatographic-mass spectrometry-pattern recognition method for the quality control of Chinese Angelica HPLC Fingerprint and chemical pattern recognition method of Radix Paeoniae Alba PCA analysis on sulphur and heavy metals contents in different parts of woody species in Chengde of North China Quantitative analysis of weed communities in cotton fields in cotton growing regions of Jiangsu Province Quantitative analysis of weed communities in cotton fields in cotton-growing regions of Jiangsu Province FOREST TREE BREEDING REGIONALIZATION ON THE BASIS OF ECOLOGICAL GRADIENT AXIS(EGA) Genetic Diversity of Cucumber (Cucumis sativus L.) Germplasm by SSR PCA on medicinal materials of three species of Isodon based on their HPLC ORDINATION ANALYSES OF 19 SPECIES OF BRYOPHYTA BASED ON SOD AND EST ISOZYMES Effects of Low Temperature and Low Light Intensity Stress on Photosynthesis in Seedlings of Different Cucumber Varieties A preliminary study on C3 and C4 plants in the Northeast stepps and their ecological distribution Analysis of landscape patch structure influence on desertification process of Kerqin Sandy Land Succession of dominant phytoplankton species in spring 2002 at Dapeng‘Ao Cove, Daya Bay ON THE CHARACTERISTICS OF THE FLORA OF DONQLING MOUNTAIN AREA AND ITS RELATIONSHIP WITH A NUMBER OF OTHER MOUNTAINOUS FLORAS IN CHINA Mathematic Classification of 46 Species in Rhododendron with the Morphologic Characters Based on1H-NMR-PCA to establish a quality control method of Jie-ErYin Lotion Optimization of a Model for Estimating Pterocarya stenoptera Chlorophyll Concentration with Hyperspectral Parameters Correlative study between chemical constituents and ecological factors of Notopterygii Rhizoma Et Radix of endangered plateau plant Species Delimitation of Pterygiella (Orobanchaceae), a Genus Endemic to Southwestern China on the Basis of Morphometric and Molecular Analyses Investigation on the Adaptation of Photosynthetic Carbon Metabolism Pathway to Environment of Phragmites communis in Hexi Corridor of Gansu Province Dynamic evaluation of ecological vulnerability in the Three Gorges Reservoir Region in Chongqing Municipality, China APPLICATION OF PCA-LDA METHOD TO DETERMINE THE GEOGRAPHICAL ORIGIN OF TEA BASED ON DETERMINATION OF STABLE ISOTOPES AND MULTI-ELEMENTS ENZYMATIC ACTIVITY OF ROOT QUALITIES IN PURPLE-FLESHED SWEETPOTATO UNDER FLIED SHADING STRESS Measurement of sown area of safflower based on PCA and texture features classification and remote sensing imagery Studies on Radix Puerariae (Pueraria lobata)by Chemical Pattern Recognition Water-environment effects of industry structure in Taihu Lake Basin in Jiangsu Province Cloning and Characterization of Phosphoenolpyruvate Carboxylase Gene from Echinochloa crusgalli Quality analysis and evaluation of myrrh Feeding habits of Lateolabrax maculatus in Yangtze River estuary Evaluation of low-carbon competitiveness in Western China Determination of the Geographic Origin of Rice by PCA-LDA Based on the Stable Isotopes and Multi-elements Concentrations Variation in Traits of Magnolia officinalis Seedlings from Different Provenances and Their Principal Component Analysis C4 Pathway Enzymes in Soybean Leaves NMR-spectroscopy-based metabonomic approach to analysis of Siwutang,a novel prescription, treated blood deficiency in mice HPLC fingerprint of flavonoids in Sophora flavescens and determination of five components The Effects of Sulfur Nutrition on Some Physiological Parameters in Relation to Carbon and Nitrogen Metabolism in Wheat and Maize AMMI Analysis of Genotype by Sowing Date Interaction Reveals the Fertility Sensitivity to Photoperiod and Temperature of P(T)GMS Rice Combining Ability Analysis of Rice Hybrids Using AMMI Model Effect of different Cunninghamia lanceolata plantation soil qualities on soil microbial community structure Canonical Analysis and the Principal Components Analysis of Plant Community with Its Environmental Factors in the Yellow River Delta THE THEORY OF CANONICAL CORRELATION ANALYSIS IN ECOLOGY CANONICAL CORRELATION ANALYSIS——A MULTIVARIATION ANALYSIS TECHNIQUE APPLICATED IN ECOLOGY Determination of chemical components of Paeoniae Radix Alba decoction pieces and its quality evaluation Based on 1H-NMR-PR to establish an identification method ofOphiopogonis japonicusfrom different habitats COMPARATIVE EXPERIMENT ON ADAPTABILITY OF SEVERAL INDIGENOUS POPLARS IN INNER MONGOLIA Microbial carbon utilization in rhizosphere soils of secondary plants in earthquake fault zone of Xinjiang. Contribution rates of landscape driving factors in coastal reclamation zone based on CLUE-S model validation. Numerical evaluation of soil quality under different conservation tillage patterns. Subcellular Localization of PpCAD from Elephant Grass (Pennisetum purpureum cv.Huanan) and Its Heterologous Expression in Transgenic Tobacco Content determination of twelve major components in Tibetan medicine Zuozhu Daxi by UPLC Research on UPLC-PDA fingerprint of andrographis paniculata and quantitative determination of 4 major constituents