Results 31 to 40 of about 17,378 (262)

A 16.5-μW 73.7-dB-SNDR Second-Order Fully Passive Noise-Shaping SAR ADC With a Hybrid Switching Procedure

open access: yesIEEE Access, 2023
Noise-shaping (NS) successive approximation register (SAR) analog-to-digital converters (ADCs) using passive integrators have drawn increasing attention owing to their simplicity and power efficiency.
Zheng Li   +9 more
doaj   +1 more source

Epigenetic heterogeneity and plasticity in therapy‐induced tumor states through single‐cell multi‐omics

open access: yesMolecular Oncology, EarlyView.
Single‐cell multi‐omics reveals epigenetic heterogeneity across therapy‐adaptive tumor states, including quiescent/dormant, drug‐tolerant persister, and EMT‐like phenotypes. By linking regulatory features with state‐associated biomarkers, these approaches inform biomarker‐guided therapeutic strategies for evolving tumors.
Hee Jung Kim   +3 more
wiley   +1 more source

Optimal capacitor placement and sizing in radial electric powe

open access: yesAlexandria Engineering Journal, 2014
The use of capacitors in power systems has many well-known benefits that include improvement of the system power factor, improvement of the system voltage profile, increasing the maximum flow through cables and transformers and reduction of losses due to
Ahmed Elsheikh   +3 more
doaj   +1 more source

AC+Li(NiCoMn)O2/Li4Ti5O12+MWCNTs hybrid capacitors

open access: yesCailiao gongcheng, 2020
The hybrid capacitors were assembled by using lithium titanate/multi-walled carbon nanotubes composite as anode and activated carbon/nickel cobalt manganese acid lithium composite as cathode.
CHEN Wei   +7 more
doaj   +1 more source

Multi-Objective Trade-Off Quantification Based Design Optimization for Power Electronic Systems in More-Electric-Aircrafts

open access: yesIEEE Access, 2021
In this paper, a comprehensive formulation of reliability models for active and passive power components (i.e., capacitors and power semiconductor devices (MOSFETS)) of a regulated transformer rectifier unit (RTRU) for more electric aircraft application ...
Saikat Dey, Ayan Mallik
doaj   +1 more source

ADP‐ribosylation: An emerging regulator of the epigenome

open access: yesMolecular Oncology, EarlyView.
ADP‐ribosylation has emerged as a dynamic epigenetic signaling mechanism that modifies histones and chromatin‐associated proteins. Through coordinated PARylation and MARylation, it integrates with other histone modifications to regulate chromatin structure, transcription factor activity, and gene expression, influencing genome function and disease ...
Cristel V. Camacho   +2 more
wiley   +1 more source

Review of Energy Storage Capacitor Technology

open access: yesBatteries
Capacitors exhibit exceptional power density, a vast operational temperature range, remarkable reliability, lightweight construction, and high efficiency, making them extensively utilized in the realm of energy storage. There exist two primary categories
Wenting Liu   +6 more
doaj   +1 more source

Online Monitoring of Capacitors in Power Converters

open access: yesEletrônica de Potência, 2011
In power converters, the filtering or DC link capacitors are usually the component with shorter lifetime. With the aging, both, electrolytic and film capacitors, do often burst out, causing serious damages or even the destruction of the whole power ...
Gustavo M. Buiatti   +4 more
doaj   +1 more source

Heterovalent-doping-enabled atom-displacement fluctuation leads to ultrahigh energy-storage density in AgNbO3-based multilayer capacitors

open access: yesNature Communications, 2023
AgNbO3 has a potential for high power capacitors due to its antiferroelectric characteristics. Here, the authors achieve multilayer capacitors with energy-storage density of 14 J·cm−3 by heterovalent-doping-enabled atom-displacement fluctuation.
Li-Feng Zhu   +10 more
doaj   +1 more source

A Ćuk-Based Modular DC–DC Converter For Medium Voltage Direct Current (MVDC) Applications

open access: yesIEEE Open Journal of Power Electronics, 2022
A highly reliable modular DC-DC converter that is well-suited to the medium -voltage direct-current (MVDC) grid applications is presented in this paper. Each power module in the proposed converter is designed and controlled such that it employs two small
Abdulgafor Alfares   +2 more
doaj   +1 more source

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