Results 141 to 150 of about 1,433,790 (312)

Mechanically Mutable Matrices: A Hierarchical Investigation of Decellularized Sea Cucumber Collagen as an Adaptable Scaffold Material

open access: yesAdvanced Functional Materials, EarlyView.
Sea cucumber mutable collagenous tissue (MCT) is a remarkable collagen‐based material which can rapidly undergo large changes in stiffness through transiently bound effector proteins. Here, we investigate the hierarchical structure and mechanical response of MCT from Cucumaria frondosa across length scales with a wide range of methods, also exploring ...
Nathalie R. H. Singh   +7 more
wiley   +1 more source

Two‐Photon Grayscale Lithography (2GL) of High Mechanical and Optical Quality 3D Silica Glass Microstructures

open access: yesAdvanced Functional Materials, EarlyView.
Two‐photon grayscale lithography (2GL) enables high‐speed and precise 3D printing of thermolyzed silica glass microstructures with optical‐grade surface quality, high quality factors, and mechanical strength utilizing a custom‐made pre‐glass resist based on polyhedral oligomeric silsesquioxane (POSS) modified with a high‐sensitivity Norrish type II ...
Jonathan L. G. Schneider   +4 more
wiley   +1 more source

Influence of Sandstone Reservoir Microstructure on Residual Oil Occurrence: A Case Study of the SII Oil Layer in the Nanqi Area, Daqing Oilfield, Northern Songliao Basin, NE China

open access: yesFractal and Fractional
The complexity of micrometer-scale pore-throat structures in sandstone reservoirs strongly controls the occurrence state and mobilization degree of residual oil after water-flooding.
Xianda Sun   +5 more
doaj   +1 more source

Study on Micro Production Mechanism of Corner Residual Oil after Polymer Flooding. [PDF]

open access: yesPolymers (Basel), 2022
Sun X   +6 more
europepmc   +1 more source

Technologies of residual oil extraction

open access: yesГеология и геофизика Юга России, 2019
В мире к настоящему времени открыты более 40 тысяч нефтяных месторождений с суммарными балансовыми запасами более 500 млрд т. И только около 30% этих запасов было извлечено или может быть еще извлечено из недр с помощью современных промышленно освоенных методов добычи, включая вторичные и третичные методы.
openaire   +2 more sources

Strong Lead‐Free Bioinspired Piezoceramics for Durable Energy Transducers

open access: yesAdvanced Functional Materials, EarlyView.
We fabricated brick‐and‐mortar lead‐free piezoceramics with Bi0.5Na0.5TiO3 monocrystal platelets as bricks and amorphous silica as mortar. The alignment of the bricks and the presence of the amorphous silica led to anisotropic residual stresses. These residual stresses increase the samples toughness, strength and durability while the brick alignment ...
Ruxue Yang   +12 more
wiley   +1 more source

Volatile Relay Biosensing and Mobile Phone Imaging for Detection of Influenza Virus

open access: yesAdvanced Functional Materials, EarlyView.
Detection of volatile organic compounds is performed via a coupled enzymatic assay with mobile phone detection of the signal. Specific application demonstrated herein is the detection of influenza virus, across multiple levels of biological complexity, up to patient‐derived samples.
Dante G. Andersen   +7 more
wiley   +1 more source

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