Results 71 to 80 of about 3,985,488 (355)

Imperfect Homoclinic Bifurcations

open access: yes, 2001
Experimental observations of an almost symmetric electronic circuit show complicated sequences of bifurcations. These results are discussed in the light of a theory of imperfect global bifurcations.
A. Arnéodo   +23 more
core   +1 more source

Rational Fine‐Tuning of MOF Pore Metrics: Enhanced SO2 Capture and Sensing with Optimal Multi‐Site Interactions

open access: yesAdvanced Functional Materials, EarlyView.
A pore tuning strategy to amplify the multi‐site MOF‐SO2 interactions is proposed to achieve an enhanced trace SO2 capture and chemiresistive sensing in highly stable isostructural DMOFs by annelating benzene rings. This work provides a facile strategy to achieve tailor‐made stable MOF materials for specific multifunctional applications.
Shanghua Xing   +9 more
wiley   +1 more source

Constant-amplitude, frequency- independent phase shifter [PDF]

open access: yes, 1971
Electronic circuit using operational amplifiers provides output with constant phase shift amplitude, with respect to sinusoidal input, over wide range of frequencies. New circuit includes field effect transistor, Q, operational amplifiers, A1 and A2, and
Deboo, G. J.
core   +1 more source

Analogs of Basic Electronic Circuit Elements in a Free-Space Atom Chip

open access: yesScientific Reports, 2013
Using a thermal sample of laser-cooled rubidium atoms, we have constructed a neutral-atom circuit analogous to an electronic capacitor discharged through a resistor. The atoms are confined using what we call a free-space atom chip, an optical dipole trap
Jeffrey G. Lee   +3 more
semanticscholar   +1 more source

Enhancing CoFe Catalysts with V2CTX MXene‐Derived Materials for Anion Exchange Membrane Electrolyzers

open access: yesAdvanced Functional Materials, EarlyView.
MXene dervied CoFe composites show increased initial Oxygen Evolution Reaction (OER) activity compared to the pure CoFe and MXene in an Anion Exchange Membrane device. Vanadium vacancies in the MXene plays a role in increased OER activity and hinders Fe leaching in the AEM device over using the pure V2C MXene as a support material for the CoFe ...
Can Kaplan   +16 more
wiley   +1 more source

Electronic circuit detects left ventricular ejection events in cardiovascular system [PDF]

open access: yes, 1972
Electronic circuit processes arterial blood pressure waveform to produce discrete signals that coincide with beginning and end of left ventricular ejection. Output signals provide timing signals for computers that monitor cardiovascular systems.
Gebben, V. D., Webb, J. A., Jr.
core   +1 more source

Self‐supportive Three‐Way Photoelectrochemical System Achieving Uranium Recycling, Organic Oxidation, and Electricity Generation in Complex Waters

open access: yesAdvanced Functional Materials, EarlyView.
A self‐sustaining solar photoelectrochemical cell (SS‐PEC) is developed to recover uranium from aqueous UO22+ with concurrent organic oxidation and electricity production. The monolithical photoanode directly captures electrons from organic compounds, leading to the oxidation of organic compounds and the decomposition of uranium‐organic complexes ...
Yumei Wang   +7 more
wiley   +1 more source

Electronic position indicator for latching solenoid valves [PDF]

open access: yes, 1970
Electronic circuit connected to solenoid valve coils visually indicates the position of the valve stem.
Fischer, R., Frye, R. J., Wimmer, H. L.
core   +1 more source

Macromodelling for analog design and robustness boosting in bio-inspired computing models [PDF]

open access: yes, 2005
Setting specifications for the electronic implementation of biological neural-network-like vision systems on-chip is not straightforward, neither it is to simulate the resulting circuit.
Cuadri Carvajo, Jorge   +3 more
core   +1 more source

All‐Printed Finger‐Inspired Tactile Sensor Array for Microscale Texture Detection and 3D Reconstruction

open access: yesAdvanced Science
Electronic skins are expected to replicate a human‐like tactile sense, which significantly detects surface information, including geometry, material, and temperature.
Yilin Wang   +6 more
doaj   +1 more source

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