Early life exposure to farm animals and symptoms of asthma, rhinoconjunctivitis and eczema : an ISAAC Phase Three study [PDF]
, 2012 We are grateful to the children and parents who willingly cooperated and participated in ISAAC Phase Three and the coordination and assistance by the school staff is sincerely appreciated.
Brunekreef, Bert +6 more
core +1 more source
A novel three-phase UPS system with a single-phase resonant HF link [PDF]
, 2006 This paper presents a new three-phase uninterruptible power supply (UPS) system based on a single-phase resonant high frequency (HF) link and a single-phase transformer.
Darwish, MK
core +6 more sources
The association between tobacco and the risk of asthma, rhinoconjunctivitis and eczema in children and adolescents : analyses from Phase Three of the ISAAC programme [PDF]
, 2012 We are grateful to the children and parents who participated in ISAAC Phase Three and the coordination and assistance by the school staff is sincerely appreciated.
Beasley, Richard +5 more
core +1 more source
Impact of PWM strategies on RMS current of the DC-link Voltage Capacitor of a dual-three phase drive [PDF]
, 2014 The major drawback of usual dual three-phase AC machines, when supplied by a Voltage Source Inverter (VSI), is the occurrence of extra harmonic currents which circulate in the stator windings causing additional losses and constraints on the power ...
ROUHANA, Najib +5 more
core +1 more source
Global variation in the prevalence and severity of asthma symptoms : phase three of the International Study of Asthma and Allergies in Childhood (ISAAC) [PDF]
, 2009 Background: Phase Three of the International Study of Asthma and Allergies in Childhood (ISAAC) measured the global prevalence and severity of asthma symptoms in children.
Foliaki, S. +7 more
core +1 more source
Acetaminophen use and risk of asthma, rhinoconjunctivitis and eczema in adolescents : ISAAC Phase Three [PDF]
, 2011 Rationale: There is epidemiological evidence that the use of acetaminophen may increase the risk of developing asthma. Objectives: To investigate the risk of asthma and other allergic disorders associated with the current use of acetaminophen in 13- to ...
Christopher K. W. Lai +14 more
core +1 more source
The International Study of Asthma and Allergies in Childhood (ISAAC) Phase Three: A global synthesis [PDF]
, 2013 This ISAAC Phase Three synthesis provides summarised information on the main findings of the study, regional tables and figures related to the prevalence and severity of current symptoms of asthma, rhinoconjunctivitis and eczema in the main regions of ...
Keil, U +7 more
core +1 more source
Robust repetitive feedback control of a three-phase grid connected inverter [PDF]
, 2010 This paper discusses the design of a repetitive feedback controller for a grid-connected two-level three-phase voltagesource inverter connected between a DC source and the grid through an LCL filter.
Sharkh, S.M. +8 more
core +2 more sources
Three-Phase Load Balancing in Distribution Systems Using Load Sharing Technique
Engineering Proceedings, 2023 Electrical Power quality in distribution systems is crucial to both utility and consumers simultaneously. The main issue that affects the quality factor of electrical distribution systems is phase load imbalance.
Abbas Khan, Muhammad Ali
doaj +1 more source
An Efficient Phase-Locked Loop for Distorted Three-Phase Systems
Energies, 2017 This paper proposed an efficient phase-locked loop (PLL) that features zero steady-state error of phase and frequency under voltage sag, phase jump, harmonics, DC offsets and step-and ramp-changed frequency. The PLL includes the sliding Goertzel discrete
Yijia Cao +4 more
doaj +1 more source