principal component analysis 第4页

Based on¹H-NMR-PCA to establish a quality control method of Jie-ErYin Lotion A new method for rapid analysis of Xintong Oral Liquid by AOTF-near infrared spectroscopy Comprehensive evaluation of drought tolerance for Camellia oleifera Changlin clones Pollen morphology of three species of Elaeagnus in Xinjiang and its taxonomic significance Comparison research on FTIR fingerprint of Salvia priontis based on fourier transform infrared spectroscopy combined with multistatistical analysis HPLC Fingerprint and chemical pattern recognition method of Rhizoma Chuanxiong HPLC Fingerprint and chemical pattern recognition method of Radix Paeoniae Alba INFLUENCE OF ALTERNANTHERA PHILOXEROIDES ON THE SPECIES COMPOSITION AND DIVERSITY OF WEED COMMUNITY IN SPRING IN NANJING HPLC spectrum analysis and chemical pattern recognition of Chrysanthemum morifolium for medicinal use Zonal climax vegetation types in northeast China and their predicted discriminant model Analysis of landscape patch structure influence on desertification process of Kerqin Sandy Land Relationship between Plant Diversity and Environmental Factors of Excentrodendron hsienmu Community in Karst Mountains in Pinguo County,Guangxi Micro-morphological Characters of Leaf Epidermis of Ten Species in Genus Paphiopedilum Genetic Diversity Analysis for Leaf Main Traits of Camellia azalea Evaluation of the adaptability of imported red clover germplasm in central Gansu ANALYSES ON THE CHARACTERS OF THE GENUS OTTELIA (HYDROCHARITACEAE) IN CHINA STUDY ON NUMERICAL CLASSIFICATION OF THE CULTIVARS OF LOTUS Principal component analysis of Baihuasheshecao Injection by UPLC-QTOF-MS Evaluation on taste-masking effect of Andrographis Herba by electronic tongue HPLC fingerprint and chemical pattern recognition of water soluble components from Evodiae Fructus Study on effects of extract in Naomaitong Formula on cerebral ischemia-reperfusion model based on NMR metabolomics Studies on agronomic traits of seedlings from different F₁ generations of Dendrobium officinale Anatomical characteristics of laminae and petioles of 11 species of Salvia and their taxonomic significance Research on spectral reflectance characteristics for Glycyrrhizae Radix Study on ¹H-NMR fingerprinting of Rhodiolae Crenulatae Radix et Rhizoma Principal Component Analysis on the Key Metabolism Factors for Bloom of Phyllostachys heteroclada and Neosinocalamus affinis Relationship between Spatial Structure and Biomass of a Close-to-Nature Phyllostachys edulis Stand in Tianmu Mountain In vitro percutaneous penetration studies of Jinhuang Gel based on principal component analysis Metabolites Research of Corydalis yanhusuo Tubers with Gas Chromatography-mass Spectrometry Detection on evolvement and present situation of genetic diversity of spring wheat cultivars planted in Gansu and Qinghai Provinces using quantitative characters Preliminary study on classification of forest site in Lulang region of Tibet Comprehensive evaluation of agroecosystem and its regulation ISSR Analysis of Genetic Diversity of Soybean in Henan The Principal Component Analysis of Soil and Population Growth Status of Artemisia sphaerocephala in Arid Region of Alex Desert Remote Sensing Estimation of Forest Canopy Density Combined with Texture Features Variation of botanical morphologic characteristics between wild and cultivated populations of Gentians rigescens in Yunnan-Guizhou Plateau Quality evaluation on rhizomes of Atractylodes macrocephala from different producing areas in Zhejiang Province Cluster analysis and principal component analysis of inorganic elements in ginseng cultivated in forest and garden HPLC fingerprint for stems and leaves of Arachis hypogaea HPLC fingerprint for stems and leaves of Arachis hypogaea Geographical Origin Difference of Elemental "Fingerprints" in Chinese Mitten Crab Eriocheir sinensis from the Same/Different Water Systems STUDIES ON THE TEMPORAL STRUCTURE AND DYNAMIS OF THE INSECT COMMUNITIES IN GARDENS HPLC fingerprint analysis on Wei Medicine Ziziphora tenuior and Ziziphora clinopodioides Spectrum-effect relationship of antibacterial extracts from Isatidis Radix Differences of metabolic profiling of Vladimiriae Radix before and after simmer processing by HPLC-UV technology Changes of chemical composition of Pseudostellariae Radix using different processing methods by UPLC-Triple TOF-MS/MS Spectrum-activity relationship on anti-hepatic fibrosis efficacy of Trionycis Carapax A system research on HPLC characteristic fingerprint of Pinelliae Rhizoma and Pinelliae Rhizoma Praeparatum cum Zingibere et Alumine Quality comparison on Farfarae Flos from various origins by UPLC based on multi-components content determination method Primary Study on Interrelation Between Plant Communities and Environmental Factors in the North Shore of Qinghai Lake Study on Surface Pollen in Middle Inner Mongolia, China Indexes screening and comprehensive evaluation of low nitrogen tolerance of hybrid maize cultivars at seedling stage Distribution characteristics of soil heavy metal content in northern slope of Tianshan Mountains and its source explanation The assessment on residential ecological environment in the central city of Hangzhou Impacts of livestock waste compost on tomato bacterial wilt, soil enzyme activity and soil microbial functional diversity Evaluating the non-use value of sanjiang wetland based on contigent valuation method Evaluation of Peach Rootstock Waterlogging Tolerance Based on the Responses of the Photosynthetic Indexes to Continuous Submergence Stress A STUDY ON THE ORDINATION OF FOREST COMMUNITY IN HUOSHAN MOUNTAIN, SHANXI Research on contents of anthraquinones in Cassiae Semen by principal component analysis HPLC combined with PCA technology for analysis of five gingerol compounds in different processing degrees of ginger charcoal Determination of markers from characteristic HPLC chromatogram of phenols in three official origins of Ephedrae Herba and quantitative analysis of four phenols A Study on Numerical Classifica tion of the Wintersweet Cultivars Evaluation of consistency and difference of Polygoni Cuspidati Rhizoma et Radix pieces using total statistical moment method combined with cluster analysis and principal component analysis