Results 31 to 40 of about 834,609 (355)

Reversible Self-Actuated Thermo-Responsive Pore Membrane. [PDF]

open access: yes, 2016
Smart membranes, which can selectively control the transfer of light, air, humidity and temperature, are important to achieve indoor climate regulation. Even though reversible self-actuation of smart membranes is desirable in large-scale, reversible self-
Gutierrez, Maria Paz   +2 more
core   +2 more sources

A tight sandstone trapezoidal pore oil saturation model

open access: yesPetroleum Exploration and Development, 2017
: “Non-Archie” phenomena are common in tight sandstone reservoirs with complicated pore structure, bringing challenges to the logging evaluation of tight sandstone.
Shengfu HU   +4 more
doaj   +1 more source

Study on pore fractal characteristics of acidified coal samples based on low temperature nitrogen experiment

open access: yesMeikuang Anquan, 2021
In order to study and improve the pore structure characteristics of mineral-rich coal, the content of carbonate minerals and pore structure parameters of lean coal before and after acidification were measured based on X-ray diffraction and low ...
JIA Nan
doaj   +1 more source

Structural insights into Clostridium perfringens delta toxin pore formation [PDF]

open access: yes, 2013
Clostridium perfringens Delta toxin is one of the three hemolysin-like proteins produced by C. perfringens type C and possibly type B strains. One of the others, NetB, has been shown to be the major cause of Avian Nectrotic Enteritis, which following the
AGW Leslie   +57 more
core   +5 more sources

Evaluating methods for logging the pore structure of tight sandstone reservoir in Chang 6 member of the Yanchang Formation, Ordos Basin [PDF]

open access: yesArchives of Civil Engineering
Pore structure is a key parameter used to evaluate reservoir quality. At present, experimental method is the most important method to analyze reservoir pore structure.
Gaorun Zhong, Yajun Li, Yuhan Tan
doaj   +1 more source

Effect of sintering atmosphere on the pore-structure stability of cerium-doped nanostructured alumina [PDF]

open access: yes, 1994
Pore-structure stability of pure and Ce-doped alumina in air and argon atmospheres was studied using DTA, TGA, N2 ads./des. and XRD with a view to understand the importance of the ionic size of the dopant cation on the pore-structure stability of alumina.
Balagopal, N.   +6 more
core   +2 more sources

Experimental Study on Pore Characteristics and Fractal Dimension Calculation of Pore Structure of Aerated Concrete Block

open access: yesAdvances in Civil Engineering, 2019
It is important to control and predict the macroscopic properties through pore structure parameters of cement-based materials. Microscopic pore structure of concrete has many characteristics, such as sizes and disordered distribution.
Jun Fu, Yue Yu
doaj   +1 more source

Exploration of Kastification and Characterization Based on Borehole Image

open access: yesApplied Sciences, 2022
The characteristics of the karst pore structure not only affect the seepage features of the rock mass in the karst area but also have a noticeable effect on the mechanical behavior in the process of rock mass loading.
Wenlian Liu   +5 more
doaj   +1 more source

Multifractal analysis of discretized X-ray CT images for the characterization of soil macropore structures [PDF]

open access: yes, 2010
A correct statistical model of soil pore structure can be critical for understanding flow and transport processes in soils, and creating synthetic soil pore spaces for hypothetical and model testing, and evaluating similarity of pore spaces of different ...
Caniego Monreal, Francisco   +6 more
core   +3 more sources

Pore forming with hemp fiber for magnesium phosphate structural supercapacitor

open access: yesMaterials & Design, 2020
For multifunctional structural supercapacitor, pore structure can store lots of aqueous electrolyte in the matrix and interconnected pore structure can offer numerous channels for ion movement during charge-discharge.
Cuiqin Fang, Dong Zhang
doaj   +1 more source

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