نتایج جستجو برای: early fatigue destruction

تعداد نتایج: 785789  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان فارس - دانشکده علوم زمین 1393

به منظور مطالعات میکروبیواستراتیگرافی و پالئواکولوژی (بر اساس داده های ژئوشیمیایی)و همچنین میکروفاسیس سازند کژدمی، مقطع کوه رحمت واقع در شمال شرق شیراز مورد مطالعه قرار گرفته است. بطور کلی این سازند با ضخامت 66/89 متر بوده که در جهت عمود بر امتداد لایه ها 76 نمونه برداشت شده و 82 مقطع میکروسکوپی از آن تهیه و مورد مطالعه قرار گرفته است. در این تحقیق مطالعات میکروبیواستراتیگرافی از دو منظر، فرامی...

2013
Bruce R. Crawford Chris Loader Timothy J. Harrison Qianchu Liu

Corrosion is well known to reduce the structural integrity of aluminium alloy aircraft components. In addition, it can cause early fatigue failures in components in which fatigue is not considered to be a life limiting factor. This is because corrosion damage, such as corrosion pits, is up to 100 times the size of the inclusions intrinsic in most aerospace aluminium alloys. The trailing edge fl...

2016
Maryam Nazemi Marjan Hassani Raad Christineh Serob Arzoomanian Azizreza Ghasemzadeh

INTRODUCTION Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease with a progressive and rapid course. Fatigue and depression are common among ALS patients. The aim of this study was to determine the relationship between depression and fatigue in Iranian ALS patients. METHODS In this 2012 cross-sectional study, 40 ALS patients, including 22 females and 18 males, were selec...

2013
Deniz Güngör Juna de Vries Esther Brusse Michelle Kruijshaar Linda van den Berg Wim Hop Arnold Reuser Pieter van Doorn Marloes Hagemans Iris Plug Ans van der Ploeg

BACKGROUND Pompe disease is a hereditary metabolic myopathy, for which enzyme replacement therapy (ERT) has been available since 2006. We investigated whether ERT reduces fatigue in adult patients with Pompe disease. METHODS In this prospective international observational survey, we used the Fatigue Severity Scale (FSS) to measure fatigue. Repeated measures ANOVA was used to analyze the data ...

Journal: :Journal of medical engineering 2016
Naoto Miura Takashi Watanabe

Clinical studies on application of functional electrical stimulation (FES) to motor rehabilitation have been increasing. However, muscle fatigue appears early in the course of repetitive movement production training by FES. Although M-wave variables were suggested to be reliable indices of muscle fatigue in long lasting constant electrical stimulation under the isometric condition, the ability ...

Journal: :Annals of the Rheumatic Diseases 2023

Background The severity of fatigue in rheumatoid arthritis (RA) has hardly improved recent decades, leaving a large unmet need. Fortunately, not all RA-patients suffer from persistent fatigue, but the subgroup patients who most is insufficiently recognizable at diagnosis. As disease activity partly coupled to Disease-Activity-Score (DAS)-components may associate with course fatigue. Objectives ...

Journal: :Pain medicine 2012
Hong-You Ge Lars Arendt-Nielsen Pascal Madeleine

OBJECTIVE Muscle fatigue is prevalent in acute and chronic musculoskeletal pain conditions in which myofascial trigger points (MTPs) are involved. The aim of this study was to investigate the association of latent MTPs with muscle fatigue. DESIGN Intramuscular electromyographic (EMG) recordings were obtained from latent MTPs and non-MTPs together with surface EMG recordings from the upper tra...

2010
Harriet A Ball Sisira H Siribaddana Athula Sumathipala Yulia Kovas Nick Glozier Peter McGuffin Matthew Hotopf

BACKGROUND There is very little genetically informative research identifying true environmental risks for psychiatric conditions. These may be best explored in regions with diverse environmental exposures. The current study aimed to explore similarities and differences in such risks contributing to depression and fatigue. METHODS Home interviews assessed depression (lifetime-ever), fatigue an...

2016
Wouter Post Ranjita K. Bose Santiago J. García Sybrand van der Zwaag Wei Min Huang

This work reports on the healing of early stage fatigue damage in ionomer/nano-particulate composites. A series of poly(ethylene-co-methacrylic acid) zinc ionomer/Fe3O4 nanoparticle composites with varying amounts of ionic clusters were developed and subjected to different levels of fatigue loading. The initiated damage was healed upon localized inductive heating of the embedded nanoparticles b...

2015
Eva Stormorken Leonard A. Jason Marit Kirkevold

BACKGROUND Fatigue is a major problem among individuals with post-infectious fatigue syndrome (PIFS), also known as chronic fatigue syndrome or myalgic encephalomyelitis. It is a complex phenomenon that varies across illnesses. From a nursing perspective, knowledge and understanding of fatigue in this illness is limited. Nurses lack confidence in caring for these patients and devalue their prof...

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