Results 21 to 30 of about 5,400,344 (247)

Rigid-Frame Porous Material Acoustic Attenuation on Compressor Discharge [PDF]

open access: yes, 2012
Standards have limited the allowable noise levels in different situations, requiring the study of solutions at the source, in the path or the receiver. Muffler is the major factor influencing the noise of rotary compressor.
Mareze, Paulo Henrique   +2 more
core   +1 more source

Review on Fractal Analysis of Porous Metal Materials

open access: yesJournal of Chemistry, 2015
Porous metal materials are multifunctional lightweight materials and have been used widely in industry. The structural and functional characters of porous metal materials depend on the pore structure which can be described effectively by the fractal ...
J. Z. Wang   +4 more
doaj   +1 more source

Recent advances of metal–organic frameworks‐based proton exchange membranes in fuel cell applications

open access: yesSusMat, 2022
In recent years, proton exchange membrane (PEM) fuel cell (FC; PEMFC) has been widely studied and gradually applied to vehicle power supply, portable supply, communication base station backup, emergency power supply, and so on.
Xiao‐Min Li, Junkuo Gao
doaj   +1 more source

The Selective CO2 Adsorption and Photothermal Conversion Study of an Azo-Based Cobalt-MOF Material

open access: yesMolecules, 2022
A new metal–organic framework (MOF), [Co2(L)2(azpy)]n (compound 1, H2L = 5-(pyridin-4-ylmethoxy)-isophthalic acid, azpy = 4,4′-azopyridine), was synthesized by a solvothermal method and further characterized by elemental analysis, IR spectra ...
Li-Long Dang   +8 more
doaj   +1 more source

Xylene isomer separations by intrinsically porous molecular materials

open access: yesCell Reports Physical Science, 2021
Summary: Xylene mixtures and the three individual isomers are valuable chemical feedstocks in the chemical industry. Separation of these isomers is a pressing challenge due to their overlapping physicochemical properties.
Gengwu Zhang   +4 more
doaj   +1 more source

Porous, functionally gradient pyroelectric materials [PDF]

open access: yes, 2007
Properties of a new type of pyroelectric ceramic structure containing a layer of known porosity laminated between two dense layers, to form a functionally gradient material (FGM), are reported.
Alcock, Jeffrey R.   +2 more
core   +1 more source

Special Issue “Applications of Porous Nanotubes”

open access: yes, 2022
“Applications of Porous Nanotubes” is an open Special Issue of Materials, which aims to publish original contributions and review papers on new fundamental and applied aspects of porous nanomaterials, and to investigate their properties and ...
Dmitry Kurdyukov   +3 more
core   +1 more source

Room-Temperature Phosphorescent Co-Crystal Showing Direct White Light and Photo-Electric Conversion

open access: yesFrontiers in Chemistry, 2021
The development of molecular crystalline materials with efficient room-temperature phosphorescence has been obtained much attention due to their fascinating photophysical properties and potential applications in the fields of data storage, bioimaging and
Xiao-Gang Yang   +6 more
doaj   +1 more source

Modelling and Microstructural Characterization of Sintered Metallic Porous Materials

open access: yes, 2016
This paper presents selected characteristics of the metallic porous materials produced by the sintering of metal powders. The authors focus on materials produced from the iron powder (Fe) of ASC 100.29 and Distaloy SE. ASC 100.29 is formed by atomization
Katarzyna Jedynak   +3 more
core   +1 more source

Polycage membranes for precise molecular separation and catalysis

open access: yesNature Communications, 2023
The evolution of the chemical and pharmaceutical industry requires effective and less energy-intensive separation technologies. Engineering smart materials at a large scale with tunable properties for molecular separation is a challenging step to ...
Xiang Li   +9 more
doaj   +1 more source

Home - About - Disclaimer - Privacy