Results 291 to 300 of about 15,153,604 (348)
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Multiscale geometrical reconstruction of porous structures
Physical Review E, 1996Multiscale percolation systems (MPSs) were proposed to study invasion processes in porous media with a large pore size distribution, considering the porous section as a polydisperse structure that modifies its geometrical structure when the scale of observation is changed.
, Fernandes +3 more
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Fundamentals of Porous Structures
2012Macroscopic properties, such as capillary pressure and permeability, are important variables for mathematical modeling of transport processes in porous media. However, most transport properties exhibit great variability which cannot be modeled using deterministic approaches.
Frank A. Coutelieris +1 more
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Porous polymer catalysts with hierarchical structures
Chemical Society Reviews, 2015The hierarchically porous polymer catalysts with fast mass transfer provide great opportunities for designing highly efficient heterogeneous catalysts.
Qi, Sun +3 more
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Zeolitic Materials with Hierarchical Porous Structures
Advanced Materials, 2011AbstractDuring the past several years, different kinds of hierarchical structured zeolitic materials have been synthesized due to their highly attractive properties, such as superior mass/heat transfer characteristics, lower restriction of the diffusion of reactants in the mesopores, and low pressure drop.
Sofia, Lopez-Orozco +4 more
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Carbon, 2019
Natural alginate fibers are used as templates to fabricate CoFe alloy-decorated hierarchically porous carbon fibers (HPCFs). Due to the coordination with negatively charged α−L−guluronate blocks, transition metal (TM) ions could be confined in the “egg ...
Zhiming Song +7 more
semanticscholar +1 more source
Natural alginate fibers are used as templates to fabricate CoFe alloy-decorated hierarchically porous carbon fibers (HPCFs). Due to the coordination with negatively charged α−L−guluronate blocks, transition metal (TM) ions could be confined in the “egg ...
Zhiming Song +7 more
semanticscholar +1 more source
Photocurrent collection in porous semiconductor structures
Thin Solid Films, 1995Abstract Artificial porous semiconductor structures are proposed as photodetectors with flat spectral response. Photocurrent quantum yields are calculated according to a simple model where carrier photogeneration is completely uncoupled from carrier collection.
ROSSI, Maria Cristina +2 more
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Graphene oxide membranes with stable porous structure for ultrafast water transport
Nature Nanotechnology, 2021Wen-Hai Zhang +8 more
semanticscholar +1 more source
Chemical Engineering Journal, 2019
Li3VO4 nanoparticles in N-doped carbon with porous structure are synthesized using supermolecular aggregates formed by melamine and citric acid as the nitrogen source, via a dry-freezing process, followed with a calcination.
Xuena Xu +6 more
semanticscholar +1 more source
Li3VO4 nanoparticles in N-doped carbon with porous structure are synthesized using supermolecular aggregates formed by melamine and citric acid as the nitrogen source, via a dry-freezing process, followed with a calcination.
Xuena Xu +6 more
semanticscholar +1 more source
Composites Science And Technology, 2018
Highly flexible and stretchable strain sensors play an important role in the wearable electronic systems. Up to now, it is still an enormous challenge to achieve a good balance between the wide response range and high sensitivity for a resistive-type ...
Xiaozheng Wang +7 more
semanticscholar +1 more source
Highly flexible and stretchable strain sensors play an important role in the wearable electronic systems. Up to now, it is still an enormous challenge to achieve a good balance between the wide response range and high sensitivity for a resistive-type ...
Xiaozheng Wang +7 more
semanticscholar +1 more source
Porous Structure of Silica Colloidal Crystals
Langmuir, 2019We prepared silica colloidal crystals with different pore sizes using isothermal heating evaporation-induced self-assembly in quantities suitable for nitrogen porosimetry and studied their porous structure. We observed pores of two types in agreement with the description of silica colloidal crystals as face-centered cubic packed structures containing ...
Andrey Galukhin +4 more
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