نتایج جستجو برای: failure analysis

تعداد نتایج: 3120164  

Journal: :iranian journal of neonatology 0
ali vafaee najar associate professor, health services management, health sciences research center, department of health and management, school of health, mashhad university of medical sciences, mashhad, iran hassan ghane msc, health services management, school of health, mashhad university of medical sciences, mashhad, iran hossein ebrahimipour associate professor, health services management, health sciences research center, department of health and management, school of health, mashhad university of medical sciences, mashhad, iran golam abbas nouri msc, health services management, imam reza hospital administrator, school of health, mashhad university of medical sciences, mashhad, iran bita dadpour md, internist, clinical toxicologist, assistant professor, imam reza hospital, mashhad university of medical sciences, mashhad, iran

prevention of medication errors in neonatal intensive care units (nicus) is of paramount importance due to age-specific and physiological conditions of neonates. this study aimed to evaluate the risk of medication prescription and administration via failure mode and effects analysis (fmea), which was carried out at the research and medical teaching center of imam reza hospital in mashhad, iran....

Journal: :Journal of the Japan Society for Precision Engineering 1991

Journal: :international journal of occupational hygiene 0
mohammad javad jafari department of occupational health, faculty of health, university of shahid beheshti (mc), tehran, ir nor-alddin gharari department of occupational health, faculty of health, university of shahid beheshti (mc), tehran, ir hamid reza sheikhi department of occupational health, faculty of health, university of shahid beheshti (mc), tehran, ir

greater levels of complexity in tunnelling with tunnel boring machine (tbm) allow higher chances of failures that may increase the potential hazardous risks. this paper presents the results of a study on tbm reliability using risk analysis. machinery failure mode and effect analysis was applied to analyze the risks of a tbm using qs9000 and sae.j1739 recommendations. for this purpose, 48 failur...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهرکرد 1390

برای محافظت از جنگل ها و مراتع در مقابل خطر آتش سوزی یکی از اولین استراتژی های که مورد توجه قرار می گیرد، تعیین مناطق مستعد وقوع آتش سوزی است. تعیین میزان خطر آتش بخشی از مدل سازی در فرایند آتش سوزی محسوب می شود؛ که بیشتر جنبه های مدیریتی و کنترلی را در بر می گیرد. در تحقیق حاضر با توجه به آتش سوزی های گزارش شده در طی سال های 89-86 در اراضی طبیعی استان چهارمحال و بختیاری مهمترین عوامل تاثیر گذا...

Journal: :iranian journal of management studies 2015
emad roghanian fatemeh mojibian

risk management is one of the most important phases of project management and isthe most recently used by many researchers. in this paper, a fuzzy based method wasproposed which identifies different kinds of risks through the project life cycle.then, the project risk magnitude can be obtained in regards to five factors, namely“severity”, “occurrence”, and “not detection” which form fuzzy fmea a...

Journal: :civil engineering infrastructures journal 0
arash mohammadi farsani lecture, department of civil engineering, farsan branch, islamic azad university, farsan, iran behrooz keshtegar assistant professor, department of civil engineering, university of zabol, p.o.box: 9861335-856, zabol, iran.

steel corrosion of bars in concrete structures is a complex process which leads to the reduction of the cross-section bars and decreasing the resistance of the concrete and steel materials. in this study, reliability analysis of a reinforced concrete beam with corrosion defects under the distributed load was investigated using the enhanced hasofer-lind and rackwitz-fiessler (ehl-rf) method base...

Journal: :nephro-urology monthly 0
maryam montaseri department of biostatistics, school of health, mazandaran university of medical sciences, sari, ir iran jamshid yazdani charati department of biostatistics, school of health, mazandaran university of medical sciences, sari, ir iran; department of biostatistics, school of health, mazandaran university of medical sciences, sari, ir iran. tel: +98-1133108696, +98-9127982518 fateme espahbodi departmant, cancer research center mazandran, medical faculty, medical science university, sari, ir iran

conclusions parametric models may provide complementary data for clinicians and researchers about how risks vary over time. the weibull model seemed to show the best fit among the parametric models of the survival of hemodialysis patients. results the results of a multivariate analysis of the variables in the parametric models showed that the mean serum albumin and the clinic attended were the ...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی مشهد - دانشکده دندانپزشکی 1393

چکیده: مقدمه:از زمانی که پرسلن لامینت ونیرها معرفی شده اند، محبوبیت آن ها افزایش یافته است. آماده سازی دندان با استفاده از این روش، محافظه کارانه بوده و همچنین این رستوریشن ها، زیبا می باشند؛ اگرچه بعضی از مطالعات مشکلاتی را از جمله عدم تطابق مارجین و failure load پایین را برای آن ها گزارش کرده اند. جهت ساخت لامینت تراش دندان باید در مینا باشد و عاج را در برنگیرد. در نتیجه محدودیت هایی درباره ...

In this paper, the authors have focused on the stochastic analysis of an internet data center (IDC), which consists of a database main server connected to a redundant server. Observing the different possibilities of functioning of the system, analysis has been done to evaluate the various reliability characteristics of the system. The system can completely fail due to failure of redundant serve...

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