نتایج جستجو برای: techniques and procedures

تعداد نتایج: 16876752  

Journal: :emergency journal 0
ali vafaei department of emergency medicine, loghman hakim hospital, shahid beheshti university of medical sciences, tehran, iran. kamran heidari department of emergency medicine, loghman hakim hospital, shahid beheshti university of medical sciences, tehran, iran. afshin saboorizadeh department of emergency medicine, loghman hakim hospital, shahid beheshti university of medical sciences, tehran, iran. amin shams akhtari department of emergency medicine, loghman hakim hospital, shahid beheshti university of medical sciences, tehran, iran.

introduction: screening of patients with anterior abdominal penetrating trauma in need for laparotomy is an important issue in management of these cases. this study aimed to compare the accuracy of abdominal wall ultrasonography (awu) and local wound exploration (lwe) in this regard. methods: this diagnostic accuracy study was conducted on ≥ 18 year-old patients presenting to emergency departme...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی مهندسی 1387

the outcome of this research is a practical framework for “idea generation phase of new product development process based on customer knowledge”. in continue, the mentioned framework implemented in a part of iran n.a.b market and result in segmenting and profiling this market. also, the critical new product attributes and bases of communication message and promotion campaigns extracted. we have...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - پژوهشکده علوم 1388

heteropoly acids (hpa) and their salts have advantages as catalysts which make them both economically and environmentally attractive, strong br?nsted acidity, exhibiting fast reversible multi-electron redox transformations under rather mild conditions, very high solubility in polar solvents, fairly high thermal stability in the solid states, and efficient oxidizing ability, so that they are imp...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1391

short story as an important literary genre in the recent decade is focused by many of young writers and literary critical with searching structure, content , artistic techniques and cognitive phenomenon of these works , we can show quantity of using some parts of storied literature from new literal techniques of the word and also we can show the usage of native, cultural and social foundation...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1392

a novel acrylic acid-functionalized fe3o4 magnetic nanoparticle with a core-shell structure was developed for utilization as a heterogeneous organosuperacid in chemical transformations. the structural, surface, and magnetic characteristics of the nanosized catalyst were investigated by various techniques such as transmission electron microscopy (tem), thermogravimetric analysis (tga), and ft-ir...

Journal: :emergency journal 0
anita sabzghabaei majid shojaee hamid kariman mohammad manouchehrifar kamran heydari sirus sohrabi

introduction: using pan or selective computed tomography (ct) scan in management of multiple trauma patient is a matter of debate. therefore, the present study was designed aiming to compare the findings of pan and selective ct scans in management of multiple trauma patients. method: this is a prospective cross-sectional study, on patients presented to the emergency department (ed) of shohadaye...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده علوم اجتماعی 1389

the study aims to achieve research and testing of hypotheses survey techniques and questionnaires to collect information used. 61 questions in the questionnaire included 15 questions and 46 open questions according to research in the study population, girls and their mothers as the value of different children investment should be. mothers according to the research community benefits from havi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت معلم تهران - دانشکده علوم 1370

determination of uranium in natural water and complex solutions using ion exchange chromatography: a combined procedure using ion exchange chromatography and uv-vis spectrophotometry techniques has been developed to measure uranum in natural water and complex solutions. after conditicing , one hundred milli liters of sample solutions have been passed through an ion exchange column,pachked with ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده ادبیات و علوم انسانی 1393

as far as bandura’s (1977) conceptualization of the sense of self-efficacy is concerned, it is argued to be context- and even task-specific, compared to other concepts like self-esteem (brown, 2000); therefore, upon the previous research studies, related theories and definitions, and the ideas and views obtained from the interviews conducted with the scholars, the current research study aimed a...

Journal: :emergency journal 0
maryam abedi khorasgani emergency department, imam hossein hospital, shahid beheshti university of medical sciences, tehran, iran. ali shahrami emergency department, imam hossein hospital, shahid beheshti university of medical sciences, tehran, iran. majid shojaee emergency department, imam hossein hospital, shahid beheshti university of medical sciences, tehran, iran. hossein alimohammadi emergency department, imam hossein hospital, shahid beheshti university of medical sciences, tehran, iran. afshin amini emergency department, imam hossein hospital, shahid beheshti university of medical sciences, tehran, iran. hamid reza hatamabadi emergency department, imam hossein hospital, shahid beheshti university of medical sciences, tehran, iran.

introduction: rapid diagnosis of traumatic intrathoracic injuries leads to improvement in patient management. this study was designed to evaluate the diagnostic value of chest radiography (cxr) in comparison to chest computed tomography (ct) scan in diagnosis of traumatic intrathoracic injuries. methods: participants of this prospective diagnostic accuracy study included multiple trauma patient...

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