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中国地质大学科学技术发展院夏宇轩（博士生）,蔡建超等地空学院 2018, FRACTALS-COMPLEX GEOMETR（图）Y PATTERNS AND SCALING IN NATURE AND SOCIETY, A NEW METHOD FOR CALCULATING FRACTAL DIMENSIONS OF POROUS MEDIA BASED ON PORE SIZE DISTRIBUTION
分形；毛细管；假设的；计算；多孔介质；孔隙空间；迂曲度；分形维数
2021/10/21
日前，2018级博士研究生夏宇轩在国际学术期刊《分形》发表题为《一种基于多孔介质孔径分布的分形维数新计算方法》的论文，入选Mathematics学科领域高被引论文。在该论文中，夏宇轩提出了一种基于分形毛细管假设的计算多孔介质孔隙空间和迂曲度分形维数的新方法。
Identification of pore size in porous SiO2 thin film by positron annihilation
Al-Si thin film porous SiO2 thin film positron annihilation
2009/8/14
Positron annihilation lifetime and Doppler broadening of annihilation line techniques have been used to obtain information about the small pore structure and size of porous SiO2 thin film produced by ...
Effects of Pore Size of Ru-Al2O3 Catalysts Prepared by Alkoxide Method on Fischer-Tropsch Reaction
Alkoxide method Fischer-Tropsch reaction Particle size Pore size
2009/8/4
10 wt%Ru-Al2O3 catalysts with uniform pore sizes in the range of 3-7 nm were prepared by the alkoxide method by changing the added amount of H2O highly diluted with butanol at the gelation stage of s...
Effects of Pore Size of Ru-SiO2 Catalysts Prepared by Alkoxide Method on Fischer-Tropsch Reaction
Alkoxide method Fischer-Tropsch reaction Particle size
2009/7/28
Uniform pore sizes of 10 wt%Ru-SiO2 catalysts prepared by the alkoxide method were varied in the range of 4-8 nm, by adding formamide (FA) at the sol-gel preparation stage. The prepared catalysts were...
Effects of Asphaltene Content in Atmospheric Residue and Mean Pore Size of Catalyst on Initial Deactivation of Hydrodesulfurization Catalyst
Hydrotreating Atmospheric residue Catalyst deactivation rate
2009/7/24
(HDS) of atmospheric residue (AR) over Ni-Co-Mo catalysts supported on γ-alumina was carried out to examine the effect of alumina pore size on HDS activity, hydrodemetallization (HDM) activity and ini...
The Effects of Four Organic Soil Conditioners on Aggregate Stability, Pore Size Distribution, and Respiration Activity in a Sandy Loam Soil
Soil conditioner mean weight diameter pore size distribution soil respiration water aggregate stability
2009/7/3
In coarse-textured soils, low water and nutrient holding capacity due to the high number of macropores limits crop growth. To minimize these limitations the application of various soil conditioners (...
Effect of the Pore Size of Microfilters in Supercritical CO2 Bubbling on the Dissolved CO2 Concentration
supercritical CO2 bubbling the concentration of dissolved CO2 pore size of microfilters
2009/5/20
The effect of the pore size of microfilters installed in a supercritical (SC-) CO2 bubbling device on the concentration of CO2 dissolved in the solution was investigated. Dissolved CO2 concentration i...
Modeling of the Relationship Between Pore Size Distribution and Thickness of Ceramic MF Membrane
modeling pore structure pore size distribution thickness
2009/4/7
The pore size distribution (PSD) measured by the gas bubble point (GBP) method of ceramic microfiltration (MF) membranes prepared by suspension technique was found to be significantly influenced by t...
New nonwovens applications in areas such as filtration require a media designed to particular pore size specifications in the 3 to 20 micron range. The purpose of this work was to develop a basis by w...
Changes in pore size distribution and aggregate stability of two soils under long term tillage systems
tillage systems bulk density pore size distribution aggregate stability
2008/11/26
Tillage-induced changes in pore-size distribution and aggregate stability of two soils were investigated for 7 con- secutive years from 1994 to 2000. The three tillage treatments were used: convention...
Pore size distribution and amount of water available for plants in arable soils of Poland
porosity water available for plants soils of Poland
2008/11/14
The results of investigations on porosity and the amount of water available for plants in Polish soils are presented. The porosity and distribution of soil pores are strongly connected with the differ...
Designing Nonwovens to Meet Pore Size Specifications
Designing Nonwovens Meet Pore Size Specifications
2014/7/10
New nonwovens applications in areas such as
filtration require a media de signed to particular pore
size specifications in the 3 to 20 micron range. The
purpose of this work was to develop a bas...
Abstract: A knowledge of the distribution of pore sizes in clay and soil bodies is a useful element in the microstructural characterization of such materials. Pore-size distributions and total porosit...