Results 201 to 210 of about 486,430 (267)
Advanced Engineering Materials, EarlyView.A numerical–experimental framework is developed for characterizing multi‐matrix fiber‐reinforced polymers (MM‐FRPs) combining epoxy and polyurethane matrices. Harmonic bending tests are integrated with finite element model updating (FEMU) to simultaneously identify elastic and viscoelastic material parameters.
Rodrigo M. Dartora +4 more
wiley +1 more source
Advanced Engineering Materials, EarlyView.Thermomechanical fatigue tests of laser beam powder bed fusion (PBF‐LB) Inconel 718 show that the additively manufactured material reaches almost the lifetimes of conventionally‐rolled material under no‐dwell conditions. Introducing dwell times at the maximum temperature markedly reduces the lifetimes due to pronounced grain boundary sliding associated
Stefan Guth +6 more
wiley +1 more source
Zero-PDG silicon photonic amplifier with high saturation power and low noise figure. [PDF]
Nat CommunLorenzen J +6 more
europepmc +1 more source
Machine Learning-Based Prediction of Track Sprint Cycling Performance in Elite-Level Male Cyclists: A Multinational Cross-Sectional Analysis. [PDF]
Sports Med OpenKim T, Park SB.
europepmc +1 more source
6-18 GHz High-Efficiency Power Amplifier MMIC Based on Broadband Impedance Matching. [PDF]
Micromachines (Basel)Liu S, Ma X, Zhang Y, Bian Z, Xu C.
europepmc +1 more source
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Nature, 1968
IT has been known for a long time that power output in man increases rapidly with decreasing duration of exercise, but there have been few systematic studies of this problem. Indeed, measurements of the power output of the body during a single movement lasting one-tenth of a second or less have not been made.
C T, Davies, R, Rennie
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IT has been known for a long time that power output in man increases rapidly with decreasing duration of exercise, but there have been few systematic studies of this problem. Indeed, measurements of the power output of the body during a single movement lasting one-tenth of a second or less have not been made.
C T, Davies, R, Rennie
openaire +2 more sources
Dissecting muscle power output
Journal of Experimental Biology, 1999ABSTRACT The primary determinants of muscle force throughout a shortening–lengthening cycle, and therefore of the net work done during the cycle, are (1) the shortening or lengthening velocity of the muscle and the force–velocity relationship for the muscle, (2) muscle length and the length–tension relationship for the muscle, and (3 ...
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Power Amplifier Protection by Adaptive Output Power Control
IEEE Journal of Solid-State Circuits, 2007Abstract Cellular phone power amplifiers (PAs) operate in strongly varying environments and have to withstand extreme conditions. To avoid destructive breakdown a generic protection concept is proposed that is based on adaptive control of the output power.
Bezooijen, van, A. +3 more
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Effect of Interrepetition Rest on Power Output in the Power Clean
Journal of Strength and Conditioning Research, 2012The effect of interrepetition rest (IRR) periods on power output during performance of multiple sets of power cleans is unknown. It is possible that IRR periods may attenuate the decrease in power output commonly observed within multiple sets. This may be of benefit for maximizing improvements in power with training.
Hardee, JP +4 more
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Rapid recovery of power output in females
Acta Physiologica Scandinavica, 1998The purpose of the present study was to examine whether the magnitude of the changes in the concentration of muscle metabolites influences the recovery of power output following short‐term maximal intensity cycle exercise performed at different average pedalling rates.
P W, Cherry +3 more
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