Results 91 to 100 of about 117,260 (302)

Multistackable, Domino‐Overlapped CNT Scaffolds Homogeneously Hybridized with BTO‐P(VDF‐TrFE) for High‐Performance Piezoelectric Nanogenerators

open access: yesAdvanced Functional Materials, EarlyView.
A multilayer‐stackable carbon nanotuber (CNT) scaffold‐based piezoelectric nanogenerator (CPENG) with domino‐patterned CNT pillars presents high, stable output (12.3 V, size of 1 cm × 1 cm) over 2000 cycles, operates across a wide temperature range, and efficiently converts energy from real‐life stimuli through optimized CNT length, layer stacking, and
Kwangjun Kim   +3 more
wiley   +1 more source

Study on Reasonable Width of Section Coal Pillar in Filling Face Based on Rock Burst Prevention

open access: yesMeikuang Anquan, 2020
In order to ensure the safety of anti-rock burst during the stoping of filling face, take the residual strip coal pillar in filling face of Yunhe Coal Mine as the engineering background, based on the analysis of the distribution characteristics of ...
CHEN Yang, WANG Cunwen, ZHANG Lili, LI Zhenwu, ZHOU Fale, MA Shanlei
doaj   +1 more source

Localized High‐Concentration Electrolyte with Water‐Miscible Diluent Enables Stable Zinc Deposition and Long‐Life Aqueous Zinc Metal Batteries

open access: yesAdvanced Functional Materials, EarlyView.
A diisopropyl ether (DIPE)‐based, localized, high‐concentration electrolyte is developed to stabilize both electrodes in aqueous zinc batteries. By reducing water activity and promoting anion‐rich zinc‐ion solvation, it builds robust interphases at both the cathode and anode, ensuring uniform deposition, suppressed corrosion, and highly reversible ...
Yuxuan Wu   +4 more
wiley   +1 more source

The theoretical instability strip of M dwarf stars

open access: yes, 2013
The overstability of the fundamental radial mode in M dwarf models was theoretically predicted by Rodr\'iguez-L\'opez et al. (2012). The periods were found to be in the ranges ~25-40 min and ~4-8 h, depending on stellar age and excitation mechanism.
Amado, P. J.   +4 more
core   +1 more source

External Reflection From Two‐Photon Laser‐Printed Micromirrors Enables Photomechanical Actuation at a 90° Incident Angle

open access: yesAdvanced Functional Materials, EarlyView.
Light reflectance increases along incidence angle and transmittance significantly drops around 90‐degree incidence angle. Here, we report two‐photon laser printed micro mirrors that redirect the skimming light beam into normal light absorption. Using this technique, light‐driven micro walkers and grippers are demonstrated by using grazing incidence ...
Leilei Song, Jianfeng Yang, Hao Zeng
wiley   +1 more source

Study on the Instability Mechanism and Grouting Reinforcement Repair of Large-Scale Underground Stopes

open access: yesAdvances in Civil Engineering, 2020
The environmental conditions due to unreasonable mining in underground stopes, the slurry diffusion mechanism in the grouting reinforcement of a stope within its influence, the causes of large-scale instability collapse, and the catastrophic stope ...
Chengyu Xie, Nan Jia, Liwen He
doaj   +1 more source

Three Dimensional Radiation Hydrodynamic Simulations of Massive Star Envelopes

open access: yes, 2018
(Abridged) Stars more massive than $20-30M_{\odot}$ are so luminous that the radiation force on the cooler, more opaque outer layers can balance or exceed the force of gravity.
Bildsten, Lars   +5 more
core   +1 more source

Conformal Polymer Electrolyte Enabled by Nitrile Coordination for Long‐Cycle Solid‐State Lithium Metal Batteries

open access: yesAdvanced Functional Materials, EarlyView.
The replacement of α‐H with methyl groups markedly improves the compatibility between the electrolyte and lithium metal, facilitating the formation of a conformal SEI layer that effectively accommodates volume variations in lithium metal during cycling.
Liyuan Huang   +9 more
wiley   +1 more source

Classical Cepheid Pulsation Models: IX. New Input Physics

open access: yes, 2003
We constructed several sequences of classical Cepheid envelope models at solar chemical composition ($Y=0.28, Z=0.02$) to investigate the dependence of the pulsation properties predicted by linear and nonlinear hydrodynamical models on input physics.
Alibert Y.   +14 more
core   +1 more source

Role of Liquid Composition in the Transient Liquid Assisted Growth of Superconducting YBa2Cu3O7‐δ Films

open access: yesAdvanced Materials, EarlyView.
The Y supersaturation in the [Ba‐Cu(I/II)‐O] transient liquid composition is the driving force toward YBCO nucleation and growth in TLAG. Tuning the initial (Ba:Cu) molar ratio in the ink composition determines the YBCO epitaxial nucleation through supersaturation control.
Lavinia Saltarelli   +12 more
wiley   +1 more source

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