Results 331 to 340 of about 13,286,818 (399)
Some of the next articles are maybe not open access.
Advanced Functional Materials, 2023
Hard carbon (HC) is widely regarded as the most promising anode material for sodium‐ion batteries (SIBs). For improving the sodium storage capacity of HC anode, current research primarily focuses on the high‐voltage slope region. Actually, increasing the
Yujie Huang +9 more
semanticscholar +1 more source
Hard carbon (HC) is widely regarded as the most promising anode material for sodium‐ion batteries (SIBs). For improving the sodium storage capacity of HC anode, current research primarily focuses on the high‐voltage slope region. Actually, increasing the
Yujie Huang +9 more
semanticscholar +1 more source
The Physics of Fluids, 2022
The pore structure distribution of coal affects the permeability of coal, and determines the flow and occurrence state of coalbed methane and other fluids in coal.
Shumin Liu +7 more
semanticscholar +1 more source
The pore structure distribution of coal affects the permeability of coal, and determines the flow and occurrence state of coalbed methane and other fluids in coal.
Shumin Liu +7 more
semanticscholar +1 more source
PORE STRUCTURE OF SOLIDS [PDF]
Pure and Applied Chemistry, 1976 Abstract A small grain of iron catalyst, used in the synthesis of ammonia, has an external surface of about 1 cm2/g, but it has an internal surface of 100,000 cm2/g. Since catalysis takes place on the surface, obviously the surface in the pores is of vital importance.
openaire +1 more source
ACS Nano, 2020
Sodium-selenium (Na-Se) and potassium-selenium (K-Se) batteries have emerged as promising energy storage systems with high energy density and low cost. However, major issues such as huge Se volume changes, polyselenide shuttling, and low Se loading need ...
Jin Koo Kim, Y. Kang
semanticscholar +1 more source
Sodium-selenium (Na-Se) and potassium-selenium (K-Se) batteries have emerged as promising energy storage systems with high energy density and low cost. However, major issues such as huge Se volume changes, polyselenide shuttling, and low Se loading need ...
Jin Koo Kim, Y. Kang
semanticscholar +1 more source
Energy Technology, 2020
Understanding of pore structure and microscopic flow mechanism at pore-scale is significant for enhancing oil recovery by CO 2 flooding. This paper analyzes and compares the pore structure characterization and the microscopic flow mechanism of CO 2 ...
Yong Tang +5 more
semanticscholar +1 more source
Understanding of pore structure and microscopic flow mechanism at pore-scale is significant for enhancing oil recovery by CO 2 flooding. This paper analyzes and compares the pore structure characterization and the microscopic flow mechanism of CO 2 ...
Yong Tang +5 more
semanticscholar +1 more source
Imaging the Pore Structure of Geomaterials
Science, 1995Laser scanning confocal microscopy can be used to image the pore structure of geologic materials in three dimensions at a resolution of 200 nanometers. The technique involves impregnation of the void space with an epoxy doped with a fluorochrome whose fluorescent wavelength matches the excitation wavelength.
Fredrich, J. +2 more
openaire +3 more sources
Fuel, 2015
Abstract Pore connectivity is limited in shale formations, unlike in conventional reservoirs, for which cyclic void models, such as the regular-lattice model, are often used to represent the connectivity. In the cyclic models, the random assignment of throat sizes to lattice elements leads to a plateau-like variation of a capillary pressure with ...
Steven L. Bryant +2 more
openaire +2 more sources
Abstract Pore connectivity is limited in shale formations, unlike in conventional reservoirs, for which cyclic void models, such as the regular-lattice model, are often used to represent the connectivity. In the cyclic models, the random assignment of throat sizes to lattice elements leads to a plateau-like variation of a capillary pressure with ...
Steven L. Bryant +2 more
openaire +2 more sources
Structural analysis of mitochondrial pores
Experientia, 1990Structural information about the channel in the mitochondrial outer membrane, derived from sequence analysis and electron microscopy of two-dimensional crystals, is summarized. A model for the channel is presented, consisting of a cylindrical beta-barrel that is formed by one or two 30-kDa polypeptides, with an alpha-carbon backbone diameter of 3.8 nm.
C. A. Mannella, C. A. Mannella
openaire +3 more sources
The pore structure of Sierpinski carpets
Journal of Physics A: Mathematical and General, 2001Summary: Porous materials, such as aerogels, sedimentary rocks, bio-membranes, corals and sponges, form a large class of real fractals around us. The pore structure plays an important role in determining many properties of such materials. The pore structure is extremely complicated, and identifying features which can be associated with any property is ...
Astrid Franz +3 more
openaire +3 more sources
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science, 1990
Small-angle x-ray scattering has been used in an investigation of the pore structure of “sivol,” a material prepared by thermochemical treatment of chrysotile asbestos. It has been shown that sivol has a well-developed pore structure. Pore size distribution curves have been obtained, showing a maximum with a radius of gyration R=2.5–3.0 nm.
G. N. Khrustaleva +3 more
openaire +2 more sources
Small-angle x-ray scattering has been used in an investigation of the pore structure of “sivol,” a material prepared by thermochemical treatment of chrysotile asbestos. It has been shown that sivol has a well-developed pore structure. Pore size distribution curves have been obtained, showing a maximum with a radius of gyration R=2.5–3.0 nm.
G. N. Khrustaleva +3 more
openaire +2 more sources