Zobrazeno 1 - 10
of 18
pro vyhledávání: '"H. A. Hey"'
Publikováno v:
Eletrônica de Potência, Vol 7, Iss 1, Pp 54-61 (2002)
Este artigo apresenta um controlador discreto para o retificador boost três níveis com fator de potência corrigido. Modelos discretos lineares de primeira ordem para ambas as malhas de tensão e corrente são apresentadas. Controladores servos com
Externí odkaz:
https://doaj.org/article/a277186c59ef4472a8d206614e0f4f8c
The Utility of ‘Minimal Access and Separation Surgery’ in the Management of Metastatic Spine Disease
Autor:
Naresh Kumar, Jiong H. Tan, Andrew C. Thomas, Joel Y. H. Tan, Sirisha Madhu, Liang Shen, Keith G. Lopez, Dennis H. W. Hey, Gabriel Liu, HeeKit Wong
Publikováno v:
Global Spine Journal. :219256822110498
Study Design Retrospective cohort study. Objectives To compare outcomes of percutaneous pedicle screw fixation (PPSF) to open posterior stabilization (OPS) in spinal instability patients and minimal access separation surgery (MASS) to open posterior
Publikováno v:
IECON
This paper proposes a hybrid topology for ac power source (ACPS) application composed of a modular multilevel converter (MMC), operating as main amplifier, and a linear power amplifier (LPA), operating as correction amplifier. The MMC and LPA are ass
Publikováno v:
Singapore medical journal. 53(3)
Degenerative cervical spine diseases are common, and physiotherapy is widely used as an initial form of treatment. We aimed to analyse the effects of the initial sessions of physiotherapy for patients who were newly diagnosed with degenerative cervic
Publikováno v:
Singapore medical journal. 46(1)
We assessed the accuracy of physician trainees in identifying different cardiac sounds and examined the factors influencing their cardiac auscultation proficiency.A total of 106 physicians in the Family Medicine Training Programme were asked to ident
Publikováno v:
IEEE Global Telecommunications Conference and Exhibition. Communications for the Information Age.
The EWSD switching system has been supplemented by the introduction of a new coordination processor, the CP113, using a high-performance multiprocessor architecture. Introducing a multiprocessor architecture in an evolutionary way was possible becaus
Autor:
H A, Hey
Publikováno v:
Tropical and geographical medicine. 45(5)
Publikováno v:
British journal of obstetrics and gynaecology, 99(2), 141-143. Wiley-Blackwell
Europe PubMed Central
Europe PubMed Central
Objective To calculate the incidence of jenunal atresia in newborns in The Netherlands. To study the relation between the occurrence of jejunal atresia and genetic amniocentesis to determine a possible iatrogenic cause for the unexpected high inciden
Publikováno v:
Nederlands tijdschrift voor geneeskunde. 135(30)
Autor:
Peter R. Waylen, Mervin H. F. Hey
Publikováno v:
Journal of Climate and Applied Meteorology. 26:1014-1020
The nonhomogeneous Poisson distribution is applied to the probabilities of the number and dates of days experiencing thunder and had in southern Saskatchewan, Canada. The seasonal nature of hail and thunder occurrence is adequately represented by the