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VO2-Based Spacecraft Smart Radiator with High Emissivity Tunability and Protective Layer [PDF]

open access: yesNanomaterials
In the extreme space environment, spacecraft endure dramatic temperature variations that can impair their functionality. A VO2-based smart radiator device (SRD) offers an effective solution by adaptively adjusting its radiative properties.
Qingjie Xu   +9 more
doaj   +2 more sources

Theoretical study on the pressure relief range of the upper protected coal seam in protective layer mining [PDF]

open access: yesScientific Reports
The mining of protective layers is recognized as an economical and effective measure for pressure relief, anti-erosion and prevention of coal and gas outbursts.
Keliang Zhan, Bao Zhang, Mengjun Wang
doaj   +2 more sources

Study of Interactions between Titanium Dioxide Coating and Wood Cell Wall Ultrastructure

open access: yesNanomaterials, 2022
Titanium dioxide (TiO2) is used as a UV light absorber to protect wood matter from photodegradation. In this paper, interactions between wood and TiO2 coating are studied, and the efficiency of the coating is evaluated.
Petr Svora   +10 more
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

Epitaxial Growth of Nanostructured Li2Se on Lithium Metal for All Solid‐State Batteries

open access: yesAdvanced Science, 2021
Lithium is considered to be the ultimate anode material for high energy‐density rechargeable batteries. Recent emerging technologies of all solid‐state batteries based on sulfide‐based electrolytes raise hope for the practical use of lithium, as it is ...
Hyunjung Park   +7 more
doaj   +1 more source

Research progress in the structure of multilayer composite electrodes for lithium-ion batteries

open access: yesCailiao gongcheng, 2021
With the rapid development of electric vehicles, people have higher requirement for the energy density and lifespan of power batteries. The cycle performance and rate performance of lithium-ion batteries can be effectively improved through the ...
GAO Ke-xin   +5 more
doaj   +1 more source

Capability of AgSiN/SU-8 Layer on Silver-Based SPR for Adulterated Honey Detection

open access: yesIEEE Access, 2023
This study introduces the capability of the AgSiN/SU-8 layer on the silver-based SPR structure for water content detection in stingless bee honey. The 30% water content in pure honey was adulterated by water bath procedure until they reached 18 ...
M. B. Jaafar   +3 more
doaj   +1 more source

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

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

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