نتایج جستجو برای: diagnostic equipment quality control reproducibility

تعداد نتایج: 2304140  

Journal: :iranian journal of neurology 0
mohammad hossein harirchian professor, iranian center of neurological research, department of neurology, school of medicine, tehran university of medical sciences, tehran, iran. somayeh nasergivechi professor, iranian center of neurological research, department of neurology, school of medicine, tehran university of medical sciences, tehran, iran marzieh maddah immunology, allergy and asthma research institute, tehran university of medical sciences, tehran, iran alipasha meysamie associate professor, department of community and preventive medicine, school of medicine, tehran university of medical sciences, tehran, iran homayoun amini associate professor, psychiatry and psychology research center, tehran university of medical sciences, tehran, iran ehsan esmaelii shandiz iranian center of neurological research, department of neurology, school of medicine, tehran university of medical sciences, tehran, iran

background: fatigue, a major cause of disability in individuals with multiple sclerosis (ms), is associated with reduced quality of life. the aim of this study was to evaluate the reliability and reproducibility of the persian version of modified fatigue impact scale (mfis) in iranian patients with ms. methods: this study included 15 subjects with clinically definite ms, 15 hospitalized patient...

Ali Feyzi laein Ghorban Safaeian layen Hamideh Fatemi Majid Azizi

To investigate and control quality, one must be able to measure quality-related attributes. Quality of produce encompasses sensory attributes, nutritive values, chemical constituents, mechanical properties, functional properties and defects. MRI has great potential for evaluating the quality of fruits and vegetables. The equipment now available is not feasible for routine quality testing. The ...

2015
Jieyao Cheng Jinlin Hou Huiguo Ding Guofeng Chen Qing Xie Yuming Wang Minde Zeng Xiaojuan Ou Hong Ma Jidong Jia Seung Up Kim

BACKGROUND AND AIMS Noninvasive models have been developed for fibrosis assessment in patients with chronic hepatitis B. However, the sensitivity, specificity and diagnostic accuracy in evaluating liver fibrosis of these methods have not been validated and compared in the same group of patients. The aim of this study was to verify the diagnostic performance and reproducibility of ten reported n...

2010
Aaron Hussey Stephen Hesler Randall Bickford

Improving the use of power plant information sources for equipment fault diagnosis will help electric utilities meet plant availability goals and reduce operations and maintenance costs. The combination of data from multiple information sources--such as data historians, predictive maintenance technologies, and operator rounds-can provide a holistic view of condition for a given item of equipmen...

2000
G. Jäger R. Füßl U. Gerhardt K. D. Sommer

Abstract: The exact measurement of the intraocular pressure is of great diagnostic importance in the field of ophthalmology. According to the international standard DIN EN ISO 8612, the tonometers being used are subject to strict type approval and, furthermore, must be checked on a regular basis. For calibration of one of the most widely used and most precise tonometers known as applanation ton...

Journal: :journal of chemical health risks 0
fariba taghavian department of biology, damghan branch, islamic azad university, semnan, iran gholamhassan vaezi department of biology, faculty of science, science and research branch, islamic azad university, tehran, iran mohammad abdollahi faculty of pharmacy and pharmaceutical sciences research center, tehran university of medical science, tehran, iran ali akbar malekirad department of biology, payame noor university, tehran, iran

the aim of this study was to compare the quality of life, depression, anxiety and stress in farmers exposed to organophosphate pesticides with those in a control group. this cross-sectional study was conducted on 67 farmers of gheinarje village in arak, central iran in 2012. the case group included 35 farmers exposed to organophosphate pesticides, the control group consisted of 32 subjects who ...

ژورنال: Medical Laboratory Journal 2013
Bijaree, B, Fakhr-e-rad, N, Fereidouni, M, Hosseine, F, Sekhavati, M, Shojaee, S,

Abstract Background and Objective: Having knowledge about potential risks and the usage of safety equipment in laboratories can decrease the risk of occupational exposure. The aim of this study was to evaluate the predisposing factors for occupational exposure and to assess the usage of safety equipment among personnel of medical diagnostic laboratories in Birjand. Material and Methods: In ...

2013
Abolfazl KAZEMI Vahid HAJIPOUR Abolfazl Kazemi Vahid Hajipour

Due to widely practical application of quality techniques, many decisions in processes and equipment evaluation, control, and improvement are made every day in manufacturing, research, and development. Besides, the philosophy of measurement system analysis (MSA) depends on measurement error which hides true process capability. So it must be implemented prior to any process improvement activitie...

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