Search

Results: 4365
A User Authentication Schema Under the Integration of Mobile Edge Computing and Blockchain Technology
Feng Xue, Fangju Li
Jan 01, 2023
The safe and efficient authentication of users is the basis for the realization of the Internet of Things. A reliable and fast user authentication schema that combines mobile edge computing and blockchain technology is proposed....
A Quality Traceability System for Fruit and Vegetable Supply Chain Based on Multi-Chain Blockchain
Feng Xue, Fangju Li
Jan 01, 2023
To enhance the efficiency and security of traceability in the fruit and vegetable industry, this paper proposes an optimized model based on multi-chain blockchain technology. Firstly, an analysis is conducted on the supply chain...
Unprecedented strong and reversible atomic orbital hybridization enables a highly stable Li-S battery.
The shuttle effect and excessive volume change of the sulfur cathode severely impede the industrial implementation of Li-S batteries. It is still highly challenging to find an efficient way to suppress the shuttle effect and...
Published by:
DFT Simulation-Based Design of 1T-MoS2 Cathode Hosts for Li-S Batteries and Experimental Evaluation.
The main challenge in lithium sulphur (Li-S) batteries is the shuttling of lithium polysulphides (LiPSs) caused by the rapid LiPSs migration to the anode and the slow reaction kinetics in the chain of LiPSs conversion. In this...
Published by:
Structure Prediction of Li--Sn and Li--Sb Intermetallics for Lithium-ion Batteries Anodes.
M Mayo, AJ Morris
Jul 04, 2017
A variety of new stable and metastable Li–Sn and Li–Sb intermetallics are presented using the ab initio random structure searching (AIRSS) and species swapping methods. There include LiSn2–P4/mmm, Li2Sn3–P-1, Li7Sn9–P42/n...
Published by:
Carbon-Quantum-Dots-Loaded Ruthenium Nanoparticles as an Efficient Electrocatalyst for Hydrogen Production in Alkaline Media.
Highly active, stable, and cheap Pt-free catalysts for the hydrogen evolution reaction (HER) are facing increasing demand as a result of their potential use in future energy-conversion systems. However, the development of HER...
Published by:
A supramolecular pyrenyl glycoside-coated 2D MoS<sub>2</sub> composite electrode for selective cell capture

Here we demonstrate the simple construction and characterization of a pyrenyl glycoside-coated 2D MoS2 material composite capable of selectively capturing proteins and live cells on an electrode, as determined by...

Published by:
A supramolecular pyrenyl glycoside-coated 2D MoS<sub>2</sub> composite electrode for selective cell capture

Here we demonstrate the simple construction and characterization of a pyrenyl glycoside-coated 2D MoS2 material composite capable of selectively capturing proteins and live cells on an electrode, as determined by...

Published by:
Quantitatively analyzing the failure processes of rechargeable Li metal batteries.
Practical use of lithium (Li) metal for high–energy density lithium metal batteries has been prevented by the continuous formation of Li dendrites, electrochemically isolated Li metal, and the irreversible formation of solid...
Published by:
Graph Empirical Mode Decomposition-Based Data Augmentation Applied to Gifted Children MRI Analysis.
Gifted children and normal controls can be distinguished by analyzing the structural connectivity (SC) extracted from MRI data. Previous studies have improved classification accuracy by extracting several features of the brain...
Published by:
Graph Empirical Mode Decomposition-Based Data Augmentation Applied to Gifted Children MRI Analysis.
Gifted children and normal controls can be distinguished by analyzing the structural connectivity (SC) extracted from MRI data. Previous studies have improved classification accuracy by extracting several features of the brain...
Published by:
Diversification and Desynchronicity
A longstanding objective of managers is to reduce risk to their businesses. The conventional strategy for risk reduction is diversification; however, evidence for the effectiveness of diversification remains inconclusive....
Published by:
Structural and mechanistic insights into fast lithium-ion conduction in Li<sub>4</sub>SiO<sub>4</sub>-Li<sub>3</sub>PO<sub>4 </sub>solid electrolytes

Solid electrolytes that are chemically stable and have a high ionic conductivity would dramatically enhance the safety and operating lifespan of rechargeable lithium batteries. Here, we apply a multi-technique approach to the...

Published by:
Local charge inhomogeneity and lithium distribution in the superionic argyrodites Li<sub>6</sub>PS<sub>5</sub><i>X</i> (<i>X</i> = Cl, Br, I)
The lithium-argyrodites Li6PS5X (X = Cl, Br, I) exhibit high lithium-ion conductivities, making them promising candidates for use in solid-state batteries. These solid electrolytes can show...
Published by:
CT/MRI LI-RADS v2018 vs. CEUS LI-RADS v2017-Can Things Be Put Together?
Different LI-RADS core documents were released for CEUS and for CT/MRI. Both documents rely on major and ancillary diagnostic criteria. The present paper offers an exhaustive comparison of the two documents focusing on the...
Published by: Biology
Structural and mechanistic insights into fast lithium-ion conduction in Li<sub>4</sub>SiO<sub>4</sub>-Li<sub>3</sub>PO<sub>4 </sub>solid electrolytes

Solid electrolytes that are chemically stable and have a high ionic conductivity would dramatically enhance the safety and operating lifespan of rechargeable lithium batteries. Here, we apply a multi-technique approach to the...

Published by:
A Novel Query Method for Spatial Database Based on Improved K-Nearest Neighbor Algorithm
Huili Xia, Feng Xue
Jan 01, 2024
Spatial database is a spatial information database and is the core component of geographic information systems (GIS). Aiming at the problem that time complexity of k-nearest neighbor (kNN) querying algorithms are proportionate...
Iron, oxidative stress and the example of solar ultraviolet A radiation
Iron has outstanding biological importance as it is required for a wide variety of essential cellular processes and, as such, is a vital nutrient. The element holds this central position by virtue of its facile redox chemistry...
Published by:

|<

<

1

2

3

4

5

>

>|