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Directed evolution of β-glucanase from Bacillus subtilis by Error-prone PCR Improving validity and reliability of contingent valuation method through reducing biases and errors: theory, method and application Reconsideration of saturated D-optimal design The Basal Area Model of Mixed Stands of Larix olgensis, Abies nephrolepis and Picea jezoensis Based on Nonlinear Mixed Model Spectral Mixture Analysis Based on Erf-BP Model and Applied in Extracting Forest Information Remote sensing retrieval of vegetation coverage in arid areas based on multiple endmember spectral unmixing. Multidimensional time series analysis based on support vector regression and controlled autoregressive and its application in ecology Compatible Biomass Models for Larix kaempferi in Mountainous Area of Eastern Liaoning Heat Error Modeling Methods of NC Machine Tool Machining Holes or Slots of Wooden Door Based on the BP Neural Network Algorithms Research on Stress Wave Tomography of Spruce Logs with Artificial Defects under Different Number Sensors Study on Dominant Height Growth of Fir Plantations Based on a Nonlinear Mixed Modeling Approach for Longitudinal Data Error Analysis and Rectification in Spatial Data of Forest Resource by Designing Survey Model Integration Using the Method of Two-stage Error-in-variable and the Soft of ForStat Error structure and additivity of individual tree biomass model for four natural conifer species in Northeast China. Modeling the Relationship between Yellow Horn Seedling Growth and Soil Moisture Content Error Structure and Additivity of Individual Tree Biomass Model A Study on Standard Volume Dynamic Model Compatible Tree Biomass Models for Natural White Birch (Betula platyphylla) in Northeast China Forest Area Potential errors in measuring tree transpiration based on thermal dissipation method. Radiometers performance attenuation and data correction in long-term observation of total radiation and photosynthetically active radiation in typical forest ecosystems in China. Compatible biomass models for main tree species with measurement error in Heilongjiang Province of Northeast China. Carbon Stocks Model of Compatible Individual Tree in the Natural Larch Forest of Daxing’an Mountains The Choice of Variables Transformation and Estimate of Measurement Error Matrix for the Study on Density diameter Relationship Study on the Methods of Sample Collection and Keeping in Forest Soil NO₃-N Determination Study on Efficiency of Two-Stage Cluster Sampling in Forest Inventory Prediction of spatial distribution of forest carbon storage in Heilongjiang Province using spatial error model. Three common errors in Chinese ecological experimental design and interpretation Comparison of Weight Computation in Stand Basal Area Combined Model Analysis on Robustness and Extrapolation Errors of Modeling Fuel Moisture Content of Dead Twigs of Larch by Direct Estimation From Observed Data Establishment of Compatible Tree Volume Equation Systems of Chinese Fir Using Segmented Modeling Approach to Construct Tree Volume and Biomass Equations for Larch in Northeastern China Using Measurement Error Modeling Method to Establish Compatible Single-Tree Biomass Equations System Study on random error of shelterbelt porosity estimated by measuring photo with the help of digitized photographic silhouettes Compatible Tree Volume and Aboveground Biomass Equations of Chinese Fir in China Animal phylogeny and large-scale sequencing: progress and pitfalls Taxon sampling and the accuracy of phylogenetic analyses Research Progress and Application of Error-prone PCR Impacts of Tree Species and Tissue on Estimation of Nonstructural Carbohydrates Storage in Trunk A Simple and Rapid Method to Determine the CO2/O2 Specificity Factor for Rubisco Biomass Estimation of Five Kinds of Mangrove Community with the KNN Method Based on the Spectral Information and Textural Features of TM Images High-error-rate Random Mutagenesis of GAP Promoter in Pichia pastoris Using an Optimited Error Prone PCR Dynamic Change of Carbon Storage for Larch Plantation in Heilongjiang Province Leaf area index and standard error of pine forests estimated with common digital camera Heterogeneity of Error Variance and Its Effect on the Variety Evaluation in Corn Regional Trials AFFECTING FACTORS ON THE ACCURACY OF NEAR-INFRARED SPECTROSCOPY ANALYSIS Comparison of three models of forest biomass estimation Accuracy analysis of vegetation mapping for Meili Snow Mountain area,northwest Yunnan,China A Study on Impact of Measurement Error on Whole Stand Model Soil sampling error in agricultural environment STUDY ON IRRADIATION TREATMENT TO DRUNK CRAB Comparison of the three linear models applied for studying of the correlation of site-indexes between Cunninghamia lanceolata and Pinus massoniana stands Heterogeneity and Error Estimation of Grassland Biomass Based on Cyclic Sampling Approach Taxonomic Studies on the Genus Ligularia Cass. (Asteraceae, Senecioneae) from China (V): Correction of Typographical Errors in the Protologue of L. lingiana, L. changiana and L. nanchuanica Uncertainty Assessment in Regional-Scale Above Ground Biomass Estimation of Chinese Fir Taxonomic Studies on the Genus Delphinium (Ranunculaceae) from China (IX): Correction of a Typographical Error in the Protologue of D. muliense Influences of error distributions of net ecosystem exchange on parameter estimation of a process-based terrestrial model The co-integration analysis of interactive relationship between urbanization and eco-environment in Chongqing The influence of remotely sensed thematic maps on landscape ecology studies