Results 81 to 90 of about 7,323,442 (275)

An integrated power conversion system for bidirectional microwave wireless power transfer

Wireless Power Transfer
This paper proposes a bidirectional wireless power conversion system that integrates the functions of a power amplifier (PA) and a rectifier at a frequency of 2.45 GHz.
Xian Zhang, Yanchen Liu, Pengcheng Zhang, Zhixin Chen, Yize Wei   +4 more
doaj   +1 more source

The North Carolina Racial Justice Act: An Essay on Substantive and Procedural Fairness in Death Penalty Litigation [PDF]

, 2012
Long term supporting schemes for photovoltaic (PV) system installation have led to accommodating large numbers of PV systems within load pockets in distribution grids.
Vidmar, Neil
core   +1 more source

Disordered but rhythmic—the role of intrinsic protein disorder in eukaryotic circadian timing

FEBS Letters, EarlyView.
Unstructured domains known as intrinsically disordered regions (IDRs) are present in nearly every part of the eukaryotic core circadian oscillator. IDRs enable many diverse inter‐ and intramolecular interactions that support clock function. IDR conformations are highly tunable by post‐translational modifications and environmental conditions, which ...
Emery T. Usher, Jacqueline F. Pelham
wiley   +1 more source

Solar PV plant for supplying ancillary services in distribution systems

The Journal of Engineering, 2019
The paper reports the latest practice in the field for solar PV integration in distribution grids in Denmark, where the communication capability of solar inverters is exploited for integrating the monitoring and control functions of solar inverters into ...
Guangya Yang, Jakob Kjaer Zimmermann, Ken H. B. Frederiksen, Thomas Helth, Hans Henrik Ipsen, Torben Vesth Hansen, Søren Baekhøj Kjaer   +6 more
doaj   +1 more source

Velocity Distribution of Topological Defects in Phase-Ordering Systems

, 1997
The distribution of interface (domain-wall) velocities ${\bf v}$ in a phase-ordering system is considered. Heuristic scaling arguments based on the disappearance of small domains lead to a power-law tail, $P_v(v) \sim v^{-p}$ for large v, in the ...
A. D. Rutenberg, A. J. Bray, A. J. Bray, A. J. Bray, A. J. Bray, A. J. Bray, B. Yurke, C. Wagner, C. Yeung, F. Liu, G. F. Mazenko, G. F. Mazenko, I. M. Lifshitz, M. Mondello, M. Mondello, T. Ohta, Y. Oono   +16 more
core   +1 more source

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

FEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe, Tanmay Kumar Mohanty, Rashna Bhandari, Dorothea Fiedler   +3 more
wiley   +1 more source

Optimal placement of distributed generation in power distribution system and evaluating the losses and voltage using machine learning algorithms

Frontiers in Energy Research
As the modern power system continues to grow in size, complexity, and uncertainty, traditional methods may occasionally prove insufficient in addressing the associated challenges. The improper location of distributed generation varies the voltage profile,
Akanksha Jain, S. C. Gupta
doaj   +1 more source

Optimal Siting and Sizing of Distributed Generators in Distribution Systems Considering Cost of Operation Risk

Energies, 2016
With the penetration of distributed generators (DGs), operation planning studies are essential in maintaining and operating a reliable and secure power system.
Qingwu Gong, Jiazhi Lei, Jun Ye
doaj   +1 more source

Development of optical fiber frequency and time distribution systems [PDF]

, 1982
The development of ultra stable optical fiber distribution systems for the dissemination of frequency and timing references is reported. The ultimate design goals for these systems are a frequency stability of 10 to the -17 power for tau or = 100 sec ...
Lutes, G.
core   +1 more source

Reconstructing the density operator by using generalized field quadratures

, 1996
The Wigner function for one and two-mode quantum systems is explicitely expressed in terms of the marginal distribution for the generic linearly transformed quadratures. Then, also the density operator of those systems is written in terms of the marginal
D'Ariano G M, Dodonov V V, G M D'Ariano, Gardiner C W, Husimi K, Kühn H, Loudon R, Mancini S, Mancini S, P Tombesi, Royer A, S Mancini, V I Man'ko   +12 more
core   +1 more source