Results 11 to 20 of about 2,501,522 (306)

Zonal prevention and control technology for rock burst in asymmetrical pressure-relief working face under protective layer

open access: yesMeikuang Anquan, 2023
In order to effectively prevent and control the rock burst in the asymmetric pressure-relief working face under protective layer, taking the 0291 working face of Tangshan Coal Mine as the engineering background, the theoretical analysis and numerical ...
OUYANG Zhenhua, ZHOU Ranran, SHI Zengzhu, YI Haiyang, YANG Yong, WANG Qi, MA Hongjun, DING Wei
doaj   +1 more source

Improvement alternatives for railway track formation [PDF]

open access: yesGrađevinski Materijali i Konstrukcije, 2013
The performance of the railway track system results from the complex interaction of its components in response to train loading. The railway track substructure has been given much less consideration, even though it has a major influence on the track ...
Tomičić-Torlaković Mirjana
doaj   +1 more source

The Role of Sacrificial and/or Protective Layers to Improve the Sintering of Electroactive Ceramics: Application to Piezoelectric PZT-Printed Thick Films for MEMS

open access: yesCeramics, 2020
Piezoelectric thick films are of real interest for devices such as ceramic Micro-ElectroMechanical Systems (MEMS) because they bridge the gap between thin films and bulk ceramics. The basic design of MEMS includes electrodes, a functional material, and a
Hélène Debéda   +6 more
doaj   +1 more source

Numerical Analysis of Protection Method of Metallic Sub-Wavelength Concentric Arrays for Radially Polarized Light Selection and Its Applications

open access: yesSensors, 2021
Radially polarized light has various advantages on sensing, thanks for its symmetric field distribution. To select radial component, metallic sub-wavelength concentric arrays are widely used.
Hyuntai Kim
doaj   +1 more source

Analysis of the Formed Protective Layer Inhibiting Alkali Corrosion in Aluminosilicate Refractory Castables

open access: yesCeramics, 2022
This article analyzes the mechanism of the protective layer formation under the action of alkali in a refractory castable when ground quartz sand (GQS) is used as an admixture to produce refractory conventional castables (CC) and medium cement castables (
Valentin Antonovič   +5 more
doaj   +1 more source

Magneto-Optic Surface Plasmon Resonance Ti/Au/Co/Au/Pc Configuration and Sensitivity

open access: yesMagnetochemistry, 2018
Magneto-optic surface plasmon resonance (MOSPR)-based sensors are highly attractive as next-generation biosensors. However, these sensors suffer from oxidation leading to degradation of performance, reproducibility of the sensor surface, because of the ...
Conrad Rizal
doaj   +1 more source

Stability of Wafer-Scale Thin Films of Vertically Aligned Hexagonal BN Nanosheets Exposed to High-Energy Ions and Reactive Atomic Oxygen

open access: yesNanomaterials, 2022
Stability of advanced functional materials subjected to extreme conditions involving ion bombardment, radiation, or reactive chemicals is crucial for diverse applications.
Shiyong Huang   +9 more
doaj   +1 more source

Energy analysis of wear sliding friction units [PDF]

open access: yesE3S Web of Conferences, 2023
This article deals with the calculation of friction and wear of working surfaces of sliding friction units on the basis of energy theory. Working surfaces have roughness, i.e., protrusions and depressions, which under the influence of load and as a ...
Ishmuratov H.K.   +3 more
doaj   +1 more source

Protective Mechanism of a Layer-by-Layer-Assembled Artificial Cell Wall on Probiotics

open access: yes, 2022
Constructing an artificial cell wall (AFCW) based on the layer-by-layer assembly of polymer films to protect probiotics in harsh conditions is highly desirable.
Shufei Jiao   +15 more
core   +1 more source

Porous ZnP matrix for long‐lifespan and dendrite‐free Zn metal anodes

open access: yesBattery Energy, 2023
The reversibility of Zn plating/stripping during cycling is adversely affected by dendritic growth, electrochemical corrosion, surface passivation, and hydrogen generation on the Zn anodes for rechargeable aqueous zinc ion batteries (ZIBs).
Xinyue Lei   +14 more
doaj   +1 more source

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