Influencing factors of non-point source pollution of watershed based on boosted regression tree algorithm. Two methods for two-dimensional pattern analysis of community STUDIES ON THE COMMUNITY FEATURE AND RESOURCE DISTRIBUTION OF NOSTOC COMMUNE IN THE SOUTHERN SHANXI PROVINCE Quantitative analysis of steroidal saponins in Chinese material medica Rhizoma Paridis by HPLC-ELSD Simultaneous determination of three active constituents in Cortex Moutan by RP-HPLC Study on quality control of effective fraction in Qixue Bingzhi decoction Development and Apply of Semi-quantitative Quick ELISA Analysis for Neomycin Relationship between decline disease of exotic pines(Pinus taeda and Peliottii) and forest stand and environmental factors Determination of icariin, epimendin A, epimendin B, and epimendin C in Epimedii Herba by QAMS Quality control for alkaloids of Corydalis Rhizoma based on quantitative analysis on multi-components with single marker Simultaneous determination of chlorogenic acid, aesculetin, isochlorogenic acid B, and isochlorogenic acid A in Cichorii Herba by QAMS Determination of constituents of aurantio-obtusin, emodin, rhubarb, and physcion in Cassiae Semen by multi-components by single mark A new concept on quality marker of Chinese materia medica:Quality control for Chinese medicinal products Driving factor analysis on the vegetation changes derived from the Landsat TM images in Beijing Comparison of Flavonoids in the Leaves of Three Genera of Bamboo Studies on the Vegetation Succession of Abandoned Farmland in the Loess Hilly Region of Northern Shaanxi-Succession Series After Being Abandoned Application of relative correction factor in multi-index determination of Chinese materia medica Quantitative analysis of multi-assessment by single marker on four triterpenoid saponins in Akebiae Fructus Application of relative correction factor in multi-index determination of Chinese materia medica Advances in studies on multi-component determination of Chinese materia medica by QAMS Determination of four tanshinones in Salviae Miltiorrhizae Radix et Rhizoma with quantitative analysis of multi-components by single-marker The simultaneous determination of laetrile, paeoniflorin and paeonol in Jingzhi Guizhi Fuling capsule by HPLC Chemotaxonomic Study of Rhododendron Cloning and Expression Analysis of SLG Gene in Brassica campestris L. ssp.chinensis Determination of content of Shuxuening Injection based on quantitative analysis of multi-components by single marker Study on dissolution of four alkaloid contents in compatability of Coptidis Rhizoma and Rheui Radix et Rhizoma based on compatability ratio and pH value environment by quantitative analysis of multi-components by single marker Characteristics and Quantitative Analysis of Elements in Plants in Alashan Area, Nei Mongol Determination of tanshinol and protocatechuic aldehydein Shenkangling granula by HPLC Effects of primary processing on quality of Cortex Magnolia Officinalis A quantitative method for simultaneous assay of four flavones with one marker in Radix Scutellariae Simultaneous assay of four isoflavonoids in Astragali Radix by QAMS Quantitative analysis of five components in the rhizome of Angelica polymorpha by RP-HPLC under different UV wavelengths Simultaneous determination of 10 constituents in Shuangqing Yanhou Tablets by HPLC-QAMS Application of near infrared spectroscopy and chemometrics in procedure analysis on liquid preparations of Chinese patent medicine Simultaneous determination of six active constituent in different parts of Houttuyniae Herba by quantitative analysis of multi-components by single marker Determination of nine components in Reduning Injection by quantitative analysis of multi-components with a single-marker Analysis on rhynchophylline in Uncaria macrophylla from different habitats in Guangxi at various periods Classification and ordination of subalpine meadows in Wutai Mountains by artificial neural network methods Determination of flavonoids in Aurantii Immaturus Fructus by multi-components with single marker Application of QAMS method in quantitative evaluation of Liuwei Dihuang Soft Capsule Quantitative Analysis of Semen Cuscutae Quantitative Analysis of Geniposide in Fructus Gardentae and its Different Processed Products Quantitative Determination of Rhapontin in Root of Rheum hotaoense by TLC-scanning Climate Analysis of Endemic Species-A Novel Method for Quantitative Analysis of Global Climate Change Since Tertiary Quantitative analysis of factors influencing soil Pb content in the high eco-nomic development region of South Jiangsu Province: a case study in Kun-shan City QUANTITATIVE METHOD OF TOXIC PROTEINS IN BACILLUS THURINGIENSIS PRODUCTS BY SDS-PAGE-TLC Determination of six chlorogenic acids in Lonicerae Flos extract by quantitative analysis multi-components with single marker Quantitative Analysis on Wetland Plant Communities in Huliu River Nature Reserve,Shanxi EFFECTS OF AN INDUCED SATELLITE RNA OF CUCUMBER MOSAIC VIRUS ON THE HOST REACTIONS OF ITS HELPER VIRUS AND VIRUS LOADING IN SYSTEMIC HOSTS Quantitative Analysis of Decaying Detected by Pilodyn in Wood of Ancient Architecture Determination of Chlorogenic Acid in Various Processed Lonicera japonica Thunb. A quantitative method for simultaneous assay of four flavones with one marker in Radix Scutellariae A new identification and quautitation method for Radix Salviae Miltiorrhizae Simultaneous assay of epimedin A epimedin B,epimedin C and icariin in herba epimedii by QAMS Quantitative Analysis of L-Pyroglutamic Acid of Tall Gastrodia (Gastrodia elata) by HPLC Studies upon Grassland Vegetation on Coastal Sandy Soil at Wenchang County, Hainan Island Quantitative Analysis of Succession Law of the Alpine Meadow Under the Different Grazing Intensities Simultaneous determination of six components in water extract and alcohol precipitation liquid in Astragali Radix by HPLC-UV-ELSD Integrative research of QAMS model used in assay of flavonoids in Epimedii Folium, its processed products and finished Chinese medicines Study on HPLC fingerprint and chemical constituent difference of different species of Aurantii Fructus Immaturus Determination of Hydroxygenkwanin and Genkwanin in Flos Genkwa before and after Processing by TLC-scanner On Analysis of Quant itative Geology for Quaternary Sporopollen in the Northern China Plain QUANTITATIVE STUDY ON SEED FLORA RESEMBLANCE IN NORTHWESTERN CHINA Application of fingerprint combined with QAMS in quality evaluation of Shenxiong Yangxin Granule Simultaneous determination of ten bioactive constituents in Lonicerae Flos by HPLC-MS-MS Study on composition of essential oils in three different origins‘ Curcumae Rhizoma by AMDIS and retention index Quantitative driving analysis of forest biomass changes in Changbai Mountain forest region. QUANTITATIVE STUDY ON THE RELATIOSHIP BETWEENTHE FLORA OF HUNAN-GUIZHOU-GUANGXI BORDER REGION AND THE NEIGHBOURING FLORAS Multi-component quantitative analysis combined with chromatographic fingerprint for quality assessment of Onosma hookeri Determination of markers from characteristic HPLC chromatogram of phenols in three official origins of Ephedrae Herba and quantitative analysis of four phenols Advances in studies on multi-component determination of Chinese materia medica by QAMS Determination of lactones in Andrographis Herba and its preparation by quantitative analysis of multi-components by single-marker Analysis on rhynchophylline in Uncaria macrophylla from different habitats in Guangxi at various periods Quantitative analysis of three active constituents in crude drug of Cistanche deserticola influenced by different factors Determination of six triterpene acid contents in effective fraction of Eriobotryae Folium by quantitative analysis of multi-components by single-marker Determination of ephedrine alkal oid s in Ephedra sinica by nona queous capillary electrophoresis QUANTIATIVE ANALYSIS OF PLANT COMMUNITY DIFFERENTIATION UNDER DIFFERENT GRAZING INTENSITY IN HORQIN SANDY MEADOW RANGELAND Systematic analysis of agro-ecoclimatic resources in Gansu Province QUANTITATIVE ANALYSIS AND CHARACTERISTICS OF WATER-SOLUBLE SALT CONTENTS IN 13 DOMINANT PLANT SPECIES IN THE AREA OF HUTUBI CATTLE FARM, XINJIANG Quantitative analysis of multi-components with single marker for determination of alkaloids in Phellodendri Amurensis Cortex