For the heteroscedastic models with linear trend, the weighted wavelet estimators of the unknown parameters and variance function were constructed by the wavelet method.When the random error sequence wasα-mixing, the asy...
To solve the problems that product design time was difficult to be forecasted accurately and traditional estimation methods had large error, a design time estimation method was proposed based on similarity degree of prod...
The activated carbon was prepared by using lotus root residue as raw material based on the in-situ physical activation effect resulting from papermaking white mud.The effects of papermaking white mud dosage, activation t...
Based on various mass fractions( 0. 4%,0. 8%,1. 2%,1. 6%,2. 0% and 2. 4%) of reduced graphene oxide( RGO),the composite system of Cu4Bi4S9( CBS) and RGO( CBS-RGO) were synthesized.Then two types of heterojunction Zn2SnO4...
To study the characteristics of nutrient cycling in degraded Karst forest, 10 dominant species in evergreen and deciduous broad-leaved secondary forest from central Guizhou Karst were researched. The chemical stoichiomet...
Weighted Wavelet Estimation in Heteroscedastic Models with Linear Trend and Dependent Errors
For the heteroscedastic models with linear trend, the weighted wavelet estimators of the unknown parameters and variance function were constructed by the wavelet method.When the random error sequence wasα-mixing, the asy...
Method of Determining Design Time Based on Similarity Degree of Products
To solve the problems that product design time was difficult to be forecasted accurately and traditional estimation methods had large error, a design time estimation method was proposed based on similarity degree of prod...
Preparation and Characterization of Activated Carbon Derived from Lotus Root Residue
The activated carbon was prepared by using lotus root residue as raw material based on the in-situ physical activation effect resulting from papermaking white mud.The effects of papermaking white mud dosage, activation t...
Effect of Grephene on Separation and Transport Mechanism of Photogenerated Charges
Based on various mass fractions( 0. 4%,0. 8%,1. 2%,1. 6%,2. 0% and 2. 4%) of reduced graphene oxide( RGO),the composite system of Cu4Bi4S9( CBS) and RGO( CBS-RGO) were synthesized.Then two types of heterojunction Zn2SnO4...
Stoichiometry Traits in Litter Leaves of Typical Secondary Forest at Karst Regions of Central Guizhou Province
To study the characteristics of nutrient cycling in degraded Karst forest, 10 dominant species in evergreen and deciduous broad-leaved secondary forest from central Guizhou Karst were researched. The chemical stoichiomet...