Results 21 to 30 of about 168,608 (266)

Reliability model and algorithm research on HVDC system and flexible HVDC system

open access: yesThe Journal of Engineering, 2019
The main difference between flexible high-voltage direct current (HVDC) system and the traditional HVDC system is that there are two control degrees of freedom in the flexible HVDC system that is the amplitude and phase angle of the output voltage. While,
Zhong Zheng   +4 more
doaj   +1 more source

Simulation of the Dynamic Characteristics of a PEMFC System in Fluctuating Operating Conditions

open access: yesEnergies, 2020
A greater understanding of the dynamic processes inside the stack is urgently needed to optimize the PEMFC (proton exchange membrane fuel cell). In this study, we examined the gas, water and electrochemical processes inside the stack, studied the ...
Jiangyan Yan   +5 more
doaj   +1 more source

Programmable power supply design based on biological factor interference mechanism

open access: yesThe Journal of Engineering, 2019
Nowadays, how to deal with the water pollution has become a worldwide problem. More and more people are focusing on how to disinfect and reuse water resources.
Yunhong Zheng   +2 more
doaj   +1 more source

Guidelines for Pediatric Radiotherapy Simulation: A Report From the Children's Oncology Group Radiation Oncology Discipline

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric radiation therapy presents unique challenges compared to adult treatments, including those of immobilization, potential need for sedation, and the critical importance of accurate, reproducible positioning. Additionally, heightened attention to imaging doses is necessary to minimize long‐term toxicity in survivors.
Parham Alaei   +17 more
wiley   +1 more source

Assessment of parameters of operability of inductor alternators of automobiles

open access: yesИнтеллект. Инновации. Инвестиции, 2019
The relevance of a problem of diagnosing of alternators is caused by insufficient informational content of the existing diagnosing methods. Automobiles can be equipped with inductor alternators, in which mainly electrical failures occur.
А.V. Puzakov, О.V. Yusupova
doaj   +1 more source

Association Between Dinutuximab Beta Exposure and Post‐End‐of‐Treatment Survival in Neuroblastoma: A Weighted Patient‐Level Analysis of Three Clinical Studies

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Objectives The association between exposure to dinutuximab beta (DB) and event‐free survival (EFS) or overall survival (OS) of neuroblastoma patients was assessed using data collected during three clinical trials (five cohorts). Methods A systematic review (March 2026) was conducted to identify relevant studies (prospective; registered DB ...
Przemysław Holko   +19 more
wiley   +1 more source

MATHEMATICAL MODEL OF SEMICONDUCTOR CONVERTER WITH FIVE-ZONE REGULATION OF THE OUTPUT VOLTAGE AND ELECTROMECHANICAL LOAD

open access: yesNauka ta progres transportu, 2014
Purpose. This work is directed on study of the electromagnetic processes in electric circuits with semiconductor commutators. It is necessary to develop the new mathematical models of functions determination and algorithmic equations for analysis of ...
V. V. Mikhailenko   +3 more
doaj   +1 more source

An enhanced output voltage compensator for inverter under nonlinear load and voltage distortions

open access: yesEnergy Reports, 2022
This paper focuses on voltage source inverters used in new energy user power supply and energy storage power supply systems. If it is equipped with linear load, the power quality of output voltage can be easily guaranteed.
Minghang Zhong, Xiangqian Tong
doaj   +1 more source

The Relationship Between Physical Activity and Left Ventricular Remodeling in Childhood Cancer Survivors Treated With Anthracyclines: A Cross‐Sectional Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Anthracycline‐related cardiac remodeling precedes heart failure in childhood cancer survivors. The objectives of this study were to determine the relationships between patient‐specific factors, moderate‐to‐vigorous physical activity (MVPA), and cardiac remodeling.
Hari K. Narayan   +15 more
wiley   +1 more source

Quick Identification of Single Open-Switch Faults in a Vienna Rectifier

open access: yesEng
Three-leg AC-DC Vienna rectifiers are susceptible to single open-switch faults, which make DC-link voltage ripple and make three-leg input AC currents distorted and unbalanced.
Qian Li   +4 more
doaj   +1 more source

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