Results 51 to 60 of about 2,164,210 (341)

Intermediate Resistive State in Wafer‐Scale Vertical MoS2 Memristors Through Lateral Silver Filament Growth for Artificial Synapse Applications

open access: yesAdvanced Functional Materials, EarlyView.
In MOCVD MoS2 memristors, a current compliance‐regulated Ag filament mechanism is revealed. The filament ruptures spontaneously during volatile switching, while subsequent growth proceeds vertically through the MoS2 layers and then laterally along the van der Waals gaps during nonvolatile switching.
Yuan Fa   +19 more
wiley   +1 more source

Parallel Yuan-Ming Yuan Imperial Garden: from digital twin garden to metaverse smart heritage park

open access: yes智能科学与技术学报, 2022
Yuan-Ming Yuan Imperial Garden is a historically royal garden; it not only occupies an important position in the history of Chinese garden, but also enjoys a high reputation in the world.The historical and cultural values contained in Yuan-Ming Yuan ...
Mengzhen KANG   +10 more
doaj  

Electrochemical Generation of Ozone: Comparison of IrO2 series with Pt/SnO2 anode support in solid membrane cell

open access: yesInternational Journal of Electrochemical Science, 2016
The technology of Proton exchange membrane water electrolysis offers an alternative to the corona discharge technology by preventing nitrogen oxide formation during ozone generation.
Chi-Wen Chen   +5 more
doaj   +1 more source

Scattering Equations and Feynman Diagrams [PDF]

open access: yes, 2015
We show a direct matching between individual Feynman diagrams and integration measures in the scattering equation formalism of Cachazo, He and Yuan. The connection is most easily explained in terms of triangular graphs associated with planar Feynman ...
Baadsgaard, Christian   +3 more
core   +3 more sources

Engineering Strategies for Stable and Long‐Life Alkaline Zinc‐Based Flow Batteries

open access: yesAdvanced Functional Materials, EarlyView.
Alkaline zinc‐based flow batteries face persistent challenges from unstable zinc deposition, including dendrite growth, passivation, corrosion, and hydrogen evolution, which severely limit cycling stability. Current research addresses these issues through coordinated electrode structuring, electrolyte regulation, and membrane design to control zinc ...
Yuran Bai   +6 more
wiley   +1 more source

CHINESE YUAN EXCHANGE RATE AGAINST THE INDONESIAN RUPIAH PREDICTION USING SUPPORT VECTOR REGRESSION

open access: yesBarekeng
This study aims to forecast the exchange rate between the Chinese Yuan (CNY) and the Indonesian Rupiah (IDR) using Support Vector Regression (SVR), a machine-learning technique that can handle nonlinear and complex data.
Steven Soewignjo   +5 more
doaj   +1 more source

Numerical Simulation of Hot Accretion Flows (III): Revisiting wind properties using trajectory approach [PDF]

open access: yes, 2014
Previous MHD simulations have shown that wind must exist in black hole hot accretion flows. In this paper, we continue our study by investigating the detailed properties of wind, such as mass flux and poloidal speed, and the mechanism of wind production.
Bai, Xue-Ning   +5 more
core   +2 more sources

Revealing the Hidden Role of Cd in p‐Type Mg3Sb2: Enhanced Thermoelectric Performance by Grain Boundary Segregation Engineering

open access: yesAdvanced Functional Materials, EarlyView.
The hidden role of Cd segregation at grain boundaries is revealed in p‐type Mg3Sb2 by atom probe tomography and other advanced characterizations. Grain boundary Cd enrichment suppresses the SbMg+ hole‐killer formation and lowers potential barriers, enhancing electrical conductivity.
Zhou Li   +12 more
wiley   +1 more source

Valuing ecological services of green space of West Lake scenic area in Hangzhou

open access: yes浙江大学学报. 农业与生命科学版, 2009
Using the method of ecological economics, some ecological services of green space system of the West Lake scenic area in Hangzhou were valued, such as carbon dioxide absorption, oxygen release, air purification, water and soil conservation, and air ...
CHEN Bo, LU Shan
doaj   +1 more source

Graphene Nanosheet‐Based Mixed Proton‐Electron Conducting Membranes for Efficient Hydrogen Purification

open access: yesAdvanced Functional Materials, EarlyView.
A monolayer graphene/phosphoric‐acid mixed proton‐electron conducting membrane combines proton‐conducting nanoconfined acid channels with electron‐conducting graphene nanosheets for efficient high‐temperature hydrogen purification. The membrane achieves nearly 100% H2/CO2 selectivity and 69 GPU hydrogen permeance at 250°C, arising from synergistic ...
Kaiqiang He   +8 more
wiley   +1 more source

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