On Kalopanax septemlobus (Thunb.) Koidz Nutrient Diagnosis on Young Stands of Slash Pine by DRIS Studies on the Photoperiodic Responses in Short-Day Plant Helianthus tubevotus Thermo-sensitive period and critical temperature of fertility transition of thermo-photo-sensitive genic male sterile wheat Diagnosis of Foliar Nutrients (N, P, K, Ca, Mg, B) of Young Eucalyptus urophylla Trees Simulation of critical nitrogen concentration and nitrogen nutrition index of tomato under different water and nitrogen conditions Trend of Pine Caterpillar ( Dendrolimus punctatus) Population Dynamics ——Forecasting the Differentiation Rates of the Second and Third Generation by Means of Critical Date of Differentiation Salt Resistance of Eight Wild Poa L. Varieties during Seed Germination Stages Mathematical Model of Quantitative Diagnosis on Dynamic Nitrogen Demand of Cotton after Anthesis Based on Critical Nitrogen Concentration Diluation Model Preparation of solid lipid nanoparticles loaded with Xionggui powder-supercritical carbon dioxide fluid extraction and their evaluation in vitro release Supercritical fluid extraction of paeonol from Liuwei Dihuang pill Study on condition for extraction of arctiin from fruits of Arctium lappa using supercritical fluid extraction Application of supercritical solution rapid expansion technology in preparation of fine pharmacal particles Study on Uniform-design for optimizing supercritical-CO2 fluid extraction technique of tanshinones in Radix Salviae Study on extraction of coumarins in Cnidium monieri by supercritical CO2 and separation of compositions analysis Research of mixed adjuvants on the absorption of nutrient elements in crop leaf Critical Nitrogen Dilution Curve and Nitrogen Nutrition Index for Summer Maize in North China Plain Effects of Process Methods on Physicochemical Property and Nutrient Content of Tea Oil Study on the Tolerance and Critical Water Capacity of Shoot Shriveling in Hybrid Hazelnuts Effects of High Temperature on the Cultures of Isolated Microspores in Brassica campestris ssp. pekinensis A Chemical Drying Technique for Plant Materials Applied to the Scanning Electron Microscopy A New Drying Method of Plant Specimens for Scanning Electron Microscopy the t-Butyl Alcohol Freeze-Drying Method Study on the Optimization of Haematococcus pluvialis Wall Broken and Extraction of Astaxanthin by SEM and RSM Effect of Michelia macclurei root extraction by supercritical fluid on the seed germination of Pinus assoniana Review on detection of critical transition in ecosystems Critical tidal level for Kandelia candel forestation in strong tidal range area. Effects of snow pack on soil nitrogen transformation enzyme activities in a subalpine Abies faxioniana forest of western Sichuan, China. The wind tunnel test of plastic greenhouse and its surface wind pressure patterns Preparation, Characterization and Function Evaluation of Ultrafine Resveratrol Powder Tara Oil Extraction by Supercritical Carbon Dioxide and Its Quality Characteristics and Extraction Technology of Natural Pigments from Animals and Plants Inclusion technology of zanthoxylum seed oil by β-cyclodextrin Technology of ultrasound-enhanced supercritical extraction for magnolol and honokiol Technology of ultrasound-enhanced supercritical extraction for magnolol and honokiol HACCP quality control mode in pollution-free Chinese herbal medicine production Preparation of osthol by preparative high performance liquid chromatography β-Elemene from volatile oil of Curcuma kwangsiensis by supercritieal fluid extraction Total alkaloid extract from Macleaya cordata using supercritical CO2 fluid extraction ECOLOGICAL COMPLEXITY——REVIEW AND PROSPECT GC-MS Analysis of Fatty Acids from Tea-seed Oil Extracted by Different Methods Ultrasound-assisted subcritical water extraction of proanthocyanidins from defatted grape seed and its antioxidant activity Optimization of supercritical CO2 extraction of Plantaginis Semen oil by response surface methodology and studies on its antioxidant activity Testing Damage Process of David Poplar under the Dynamic Loads Based on Acoustic Emission Technique Volatiles on Behavior Responses of Anoplophora glabripennis by the Supercritical Carbon Dioxide Extraction of Acer mono STUDY ON THE RELEASE OF 14 C CHLORSULFURON BOUND RESIDUES Seed Recalcitrance: a Current Assessment Response of Olsen-P to P balance in yellow soil upland of southwestern China under long-term fertilization. Temporal and spatial variation of the optimal sowing dates of summer maize based on both statistical and processes models in Henan Province, China. The Community Characteristics and Conservation Strategies of Critically Endangered Species Woonyoungia septentrionalis (Dandy) Law Autotoxicity of Nyssa yunnanensis on Seed Germination and Seedling Growth Seed Dormancy and Germination Traits of Nyssa Yunnanensis ANALYSIS OF OPTIMUM POSITION OF ROLL TENSIONING ON THE CIRCULAR SAW BLADE THE NUTRITION STATUS AND FOLIAR NUTRITIONAL DIAGNOSIS OF EUCALYPTUS Studies on Triterpenoid Constituents of Qiaocha (Catha exulis) Studies on Extraction of Artemisinin from Sweet Wormwood (Artemisia annua)by Supercritical Carbon Dioxide A Study on Effective Components from Ginkgo Leaves (Ginkgo biloba) by Second Supercritical Fluid Extraction Analysis of ant oil extracted with supercritical CO2 fluid from Polyrhachis vicina by GC-MS Study on ingredients of essential oils of Curcuma wenyujin extracted by supercritical-CO2 fluid extraction and steam distillation PLANT COMMUNITY DIVERSITY IN DONGLINGSHAN MOUNTAIN,BEIJING,CHINA PLANT COMMUNITY DIVERSITY IN DONGLING MOUNTAIN,BEIJING,CHINA: Ⅳ. EFFECTS OF SAMPLE SIZE ON DIVERSITY MEASURES Effects of single heavy metal pollution on the growth and physiological and biochemical characteristics of Eulaliopsis binata Accumulation characteristics of biomass and nitrogen and critical nitrogen concentration dilution model of cotton reproductive organ A Study on Foliar Nutrient Diagnosis in Eucalyptus leizhouensis No.1 Effects of Pb stress on antioxidase system and growth of Rabdosia Rubescentis Folium Identification of critical source areas: an efficient way for agricultural non-point source pollution control Eco-toxicological effects of germanium stress on rice(Oryza sativa L.) and their critical value Self-organizing criticality of ecological degradation in quickly urbanizing area: A case study in Nan Shan district, Shenzhen Determination of the ability of several tree and shrub species to endure and survive extreme aridity with methods of limited areas under field condition in Horqin Sandy Land Evaluation of an ecosystem service for avoiding phosphorus nonpoint source pollution of aquatic environment and its economic value: a case study from Ertan Reservoir in Yalong River Action intensity of nitrogen-fixing and denitrifying bacteria in chernozem polluted by heavy metals An approach to the enactment of soil-environmental standards(Hg, Cd, Pb and As) in China Antimicrobial activity and GC-MS analysis of essential oil from lavender extracted by supercritical CO2 extraction and hydrodistillation Extraction of sex hormone from antler velvet with supercritical CO2 Comparative Analysis of Essential Oil Quality and Composition from Tissue Culture Seedlings of Thymus vulgaris L. Using Different Extraction Methods Eco-economic Period Threshold for Controlling Weeds in Summer Soybeans in Beijing Region Effect of photoperiod on induction of prepupal diapause and larval development in Chrysopa pallens(Rambur)(Neuroptera:Chrysopidae) Componential Analysis and Acaricidal Activities of Stellera chamaejasme Extracts by Supercritical Fluid Extraction Application Prospect of Critical Nitrogen Concentration Dilution Model in Grass Seed Production Study on Phenotype Mutation of Hemarthria compressa and Dose Selection of 60Co-γ Irradiation Effects of Different Seed Treatments on the Threshold of Water Potential during the Seed Germination of Switchgrass