نتایج جستجو برای: fatigue of materials

تعداد نتایج: 21197044  

Background & Purpose: Nursing profession often results in chronic fatigue in nurses. Accordingly, the purpose of this study was to provide a causal model of chronic fatigue based on job stressors, sleep quality and morningness/eveningness through the mediation of organizational spirituality among the nurses of Ahwaz City. Materials & Methods: Path analysis of the correlation method was employe...

2013
Aezeden Mohamed

Nickel based alloys have been developed as materials offering superior corrosion fatigue. The fatigue performance of IN600, IN601 and C22 was examined in increasing saline solution severity of 3.5% sodium chloride at pH = 6.8. Results of fatigue and corrosion fatigue tests indicate that the fatigue lives of IN600, IN601 and C22 tested in 3.5 % sodium chloride solution (NaCl) are essentially the...

Journal: :nephro-urology monthly 0
vajihe biniaz nephrology and urology department, baqiyatallah university of medical sciences, tehran, ir iran ali tayybi department of medical surgical nursing, baqiyatallah university of medical sciences, tehran, ir iran eghlim nemati nephrology and urology department, baqiyatallah university of medical sciences, tehran, ir iran mehdi sadeghi shermeh department of medical surgical nursing, baqiyatallah university of medical sciences, tehran, ir iran; velayat complex, nobonyad square, tehran, ir iran. tel: +98-9121549042, fax: +98-2126127253 abbas ebadi department of medical surgical nursing, baqiyatallah university of medical sciences, tehran, ir iran

conclusions people with chronic kidney disease regardless of their age, gender, state of health, and duration of hemodialysis experience high levels of fatigue; it is particularly important for health providers to understand this level of fatigue which affects the daily life of patients. results all the patients experienced degrees of fatigue and 50 (30.7%) of the participants experienced a hig...

Journal: :nursing practice today 0
azam sajadi department of medical-surgical nursing, faculty of nursing, aja university of medical sciences, tehran, iran. zahra farsi department of medical-surgical nursing, faculty of nursing, aja university of medical sciences, tehran, iran. nahid rajai department of mother and neonate health, faculty of nursing, aja university of medical sciences, tehran, iran.

background & aim : increasing students’ academic stress especially during taking final exams may result in sleep  disorders, fatigue, poor academic performance and low functional efficiency. the aim of this study was to determine the relationship between sleep quality with fatigue severity and academic performance of nursing students. methods & materials : in a cross-sectional study, the sleep ...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و علوم انسانی 1391

the present study aimed at exploring cognitions of iranian english teachers within the context of english for academic purposes (eap). to this end, the cognitions of two groups of eap teachers with respect to their pedagogical content knowledge (pck) and their sense of professional identity (pi) were probed. two language teachers and two content instructors who had at least five years of eap te...

Journal: :iranian journal of nursing and midwifery research 0
fatemeh nazari mozhgan soheili shahreza vahid shaygannejad mahboubeh valiani

abstract background: fatigue is the most common and highly disabling symptom of multiple sclerosis (ms) that has negative effects on employment, the process of socialization, compliance with the disease, and other factors effective on activities of daily living. the usage of complementary and alternative medicine methods in ms patients is higher than in the general population. however, there is...

Journal: :journal of basic research in medical sciences 0
himan ebrahimi department of sport pathology and corrective exercise, faculty of physical education and sport sciences, university of allameh tabatabai, tehran, iran mehdi shahrokhi department of sport pathology and corrective exercise, faculty of physical education and sport sciences, university of allameh tabatabai, tehran, iran zahra toktam barmar department of physical education and sports science, islamic azad university of mashhad, mashhad, iran ramin balouchi department of physical education and sports science, islamic azad university of mashhad, mashhad, iran

introduction: sensory-motor control and in general gaining balance will be impaired after an ankle injury and in fatigue situations. the aim of this research was to study the effect of exercise-based fatigue on static and dynamic balance in mountaineering athletes who were successful in returning to a suitable level of physical activity after an ankle sprain injury. materials and methods: 25 ac...

, Bassiri moghadam, Mehdi, Madadkar dehkordi, SHirin, Mohammadpour, Ali, Vaezi, Amir abas,

Background and Objectives: Fatigue is a common complaint among patients who undergo hemodialysis. Fatigue influences their somatic, mental, sentimental and cognitive states. This study aimed to determine the effect of progressive muscle relaxation technique on fatigue among patients treated with hemodialysis. Materials and Methods: In this clinical trial, 90 patients undergoing hemodialysis wer...

Journal: :Materials science & engineering. A, Structural materials : properties, microstructure and processing 2008
John J Lewandowski Ravikumar Varadarajan Brian Smith Chris Tuma Mostafa Shazly Luciano O Vatamanu

The mechanical behavior of 316LVM 1x7 cables were evaluated in uniaxial tension, and in cyclic strain-controlled fatigue with the use of a Flex tester operated to provide fully reversed bending fatigue. The magnitude of cyclic strains imparted to each cable tested was controlled via the use of different diameter mandrels. Smaller diameter mandrels produced higher values of cyclic strain and low...

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