Results 61 to 70 of about 294,420 (308)
Advanced Functional Materials, EarlyView.This work demonstrates the successful integration of a phenanthroline‐based 2D COF with MnI catalytic sites into a catholyte‐free membrane‐electrode‐assembly cell for CO2 electroreduction. The crystalline COF actively suppresses Mn⁰–Mn⁰ dimerization, achieving a turnover frequency of 617 h⁻¹ at 2.8 V (full‐cell potential), and enabling stable operation.
Laura Spies +8 more
wiley +1 more source
Feedforward Control of a Light-Weight Device Casing for Active Noise Reduction
Archives of Acoustics, 2016 It is possible to enhance acoustic isolation of the device from the environment by appropriately controlling vibration of a device casing. Sound insulation efficiency of this technique for a rigid casing was confirmed by the authors in previous ...
Stanislaw WRONA, Marek PAWELCZYK
doaj +1 more source
Advanced Functional Materials, EarlyView.This study investigates H4TBAPy‐based metal–organic frameworks (MOFs) ‐ NU‐1000, NU‐901, SrTBAPy, and BaTBAPy ‐ for multiphoton absorption (MPA) performance. It observes topology‐dependent variations in the 2PA cross‐section, with BaTBAPy exhibiting the highest activity.
Simon N. Deger +10 more
wiley +1 more source
Jixie chuandong, 2011 In order to design high-speed precision parallel mechanism,dynamic response of elastic vibration of planar 2-DOF parallel mechanism is analyzed,in connection with the main types of vibration,active control measures is proposed,and state space model of ...
雷改丽, 张锋涛
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Internal Model Control for a Light-Weight Active Noise-Reducing Casing
Archives of Acoustics, 2016 The active noise-reducing casing developed and promoted by the authors in recent publications have multiple advantages over other active noise control methods.
Krzysztof MAZUR, Marek PAWEŁCZYK
doaj +1 more source
Design and implementation of robust decentralized control laws for the ACES structure at Marshall Space Flight Center [PDF]
Many large space system concepts will require active vibration control to satisfy critical performance requirements such as line-of-sight accuracy. In order for these concepts to become operational it is imperative that the benefits of active vibration ...
Collins, Emmanuel G., Jr. +2 more
core +1 more source
Advanced Functional Materials, EarlyView.A combinatorial library of dual‐functional antiviral oligomers incorporating N‐halamine and quaternary ammonium functionalities is developed for long‐lasting antiviral activity. The lead materials exhibit rapid and durable antiviral activity against SARS‐CoV‐2 variants and influenza H1N1, with 4 to 5 log reduction in viral copies at 5 mg mL−1 ...
Eid Nassar‐Marjiya +14 more
wiley +1 more source
Optimal active vibration absorber: Design and experimental results [PDF]
An optimal active vibration absorber can provide guaranteed closed-loop stability and control for large flexible space structures with collocated sensors/actuators.
Juang, Jer-Nan +2 more
core +1 more source
Advanced Functional Materials, EarlyView.Controlled syntheses of lanthanide coordination polymers based on the dihydroxybenzoquinone (DHBQ) organic linker afforded large single crystals of Ln‐DHBQ CPs (Ln = Yb, Nd). A novel structural variant of Yb‐DHBQ is identified by means of single crystal diffraction analysis.
Marina I. Schönherr +7 more
wiley +1 more source
Active integral vibration control of elastic bodies [PDF]
Applied and Computational Mechanics, 2008 This paper deals with the design and analysis of active integral vibration control of elastic beam using piezoactuator. The concept of integral control means that multiple distributed piezoapatches are controlled using one integral feedback signal.
Valášek M., Smrž M.
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