Results 201 to 210 of about 61,567 (256)

Active Learning‐Accelerated Discovery of Fibrous Hydrogels with Tissue‐Mimetic Viscoelasticity

Advanced Functional Materials, EarlyView.
Active learning accelerates the design of fibrous hydrogels that mimic the viscoelasticity of native tissues. By integrating multi‐objective optimization and closed‐loop experimentation, this approach efficiently identifies optimal formulations from thousands of possibilities and decouples elasticity and viscosity. The resulting hydrogels offer tunable
Zhengkun Chen, Zheyuan Miao, Gary Tom, Austin H. Cheng, Elizaveta Gusarova, Benjamen Zondag, Tianyi Wu, Dianoosh Kalhori, Boris Hinz, Milad Abolhasani, Alán Aspuru‐Guzik, Eugenia Kumacheva   +11 more
wiley   +1 more source

Dynamic Proton Activity Regulation via Brønsted Bases Enables Durable and High‐Energy‐Density Zn||MnO2 Batteries

Advanced Functional Materials, EarlyView.
Our study demonstrates Brønsted base‐mediated proton transfer for HOAc dissociation regulation in weakly acidic electrolytes, where imidazole achieves optimal dynamic proton equilibrium‐simultaneously stabilizing Zn anodes and enabling efficient Mn2+/MnO2 conversion.
Wenli Xin, Yu Xiong, Cong Liao, Po Lu, Zhe Wang, Jun Fan, Chunyi Zhi, Nan Li   +7 more
wiley   +1 more source

Solvent Co‐Intercalation Enabled Ca Storage in MoS2 for Ca‐Ion Batteries

Advanced Functional Materials, EarlyView.
Regulating electrolyte solvation levels enables otherwise non‐intercalatable Ca2+ ions to reversibly co‐intercalate into molybdenum disulfide (MoS2) as ether‐solvated species. The intercalation reversibility is strongly governed by solvent chain length, as demonstrated using diethylene glycol dimethyl ether (G2) and tetraethylene glycol dimethyl ether (
Yudong Luo, Matthias Golomb, Yupei Han, Pan He, Neubi Xavier, Wanjun Ren, Yi Lu, Matthew Hopper, Henry R. Tinker, Qiong Cai, Yang Xu   +10 more
wiley   +1 more source

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Spark Discharge: Application Multielement Spectrochemical Analysis

Science, 1977
Spark discharge is shown to be a cyclic process of energy dissipation, with one spark in a time-connected train influenced by its relation to predecessor sparks. Spectroscopic instruments having temporal, spatial, and spectral resolution indicate that the light emission is highly ordered with cylindrical symmetry about the current-conducting spark ...
J P Walters
openaire   +4 more sources

Evaluation of spark discharge

Journal of Electrostatics, 2020
Abstract Electric sparks can ignite fires, initiate explosions, shock humans. These discharges release energies through very complex dynamic processes. The effects of changing energy (capacitance and voltage) and electrode parameters on spark discharge characteristics are investigated. A multi-energy high-voltage ignition system is built.
Jia Liu, Mingshu Bi, Haipeng Jiang, Wei Gao   +3 more
openaire   +1 more source

The Miller Volcanic Spark Discharge Experiment

Science, 2008
Miller's 1950s experiments used, besides the apparatus known in textbooks, one that generated a hot water mist in the spark flask, simulating a water vapor‐rich volcanic eruption. We found the original extracts of this experiment in Miller's material and reanalyzed them.
Adam P, Johnson, H James, Cleaves, Jason P, Dworkin, Daniel P, Glavin, Antonio, Lazcano, Jeffrey L, Bada   +5 more
openaire   +2 more sources

Development of Spark Discharges

Nature, 1948
IN a recent communication1 concerning the mechanism of growth of the leader strokes preceding spark discharges, Allibone has stated that the leader stroke develops behind a voluminous corona discharge and that the concentrated bright streamer, which is readily photographed, is in the nature of a ‘core' to this corona.
R. F. SAXE, J. M. MEEK
openaire   +1 more source

Development of the Spark Discharge

Nature, 1948
openaire   +3 more sources

Modeling laboratory negative long spark discharges

2009 IEEE Conference on Electrical Insulation and Dielectric Phenomena, 2009
This paper is aimed at comparing some results derived from a self consistent model developed to simulate dynamically the successive phases of negative laboratory long spark with experimental results reported elsewhere. This model includes criteria for instabilities and arrest conditions.
Beroual, Abderrahmane, Rakotonandrasana, Jean, Fofana, Issouf   +2 more
openaire   +1 more source

Power Measurements of Spark Discharge Experiments

Origins of life and evolution of the biosphere, 1998
An accurate and precise knowledge of the amount of energy introduced into prebiotic discharge experiments is important to understand the relative roles of different energy sources in the synthesis of organic compounds in the primitive Earth's atmosphere and other planetary atmospheres.
R, Navarro-Gonzalez, A, Romero, Y, Honda
openaire   +2 more sources