یاراحمدی, رسول
دانشگاه علوم پزشکی ایران
[ 1 ] - بررسی کوررنگی اکتسابی درمیان شاغلین مواجهه با حلال های BTEX (مطالعه موردی پمپ بنزین های شهر تهران)
Background and aims: Color vision is one of the most important capabilities of the visual system. color vision impairment in many jobs, lead to reduced productivity, increased reaction time and workers' decision-making in confronting with of hazardous situations and as a result, it can lead to occupational accidents. This study was carried out to investigate occupational exposure to BTEX solven...
[ 2 ] - اعتبار سنجی مدل شبیه سازی الگوی جریان هوا در اتاق های پاک(مطالعه موردی در صنایع دارویی 1394)
Background and aims: The clean room is under the control of concentrations of airborne particles play an important role in the production of drugs and high-tech products. Clean air flow pattern in the room is one of the important parameters of particle concentration and distribution of air pollution and need to be accurately modeled. So in this study was to evaluate and simulate the flow patter...
[ 3 ] - طراحی و توسعه یک حسگر الکتروشیمیایی اصلاح شده با پلیمر قالب مولکولی و نانولوله های کربنی به منظور ارزیابی مواجهات محیطی و شغلی با آفت کش دی‌کلران
Background and aims: Dicloran pesticide is used to inhibit the fungal spore germination for different crops. Due to the increasing application of pesticides, evaluating the occupational and environmental exposures by reliable and accurate analytical methods is necessary. This work was aimed to design the high selective sensor to determine the dicloran in biological and environmental samples. ...
[ 4 ] - واکاوی پیامدهای آتش‌سوزی و انفجار مخازن استوانه‌ای ذخیره گاز مایع در یک صنعت منتخب نفت و گاز
Background and aims: Accidents happened as a result of LPG leakage emphasizes the importance of the consequence analysis of fire and explosion in LPG storage tanks. The purpose of this study is to analysis the consequences of fire and explosion in a cylindrical LPG storage tank in an oil and gas industry. Method: In this analytical study, four possible failure scenarios including 1...
[ 5 ] - ارزیابی پارامترهای عملکردی در فیلترهای هپا در یک صنعت دارویی(مطالعه موردی1394)
Abstract: Background and aims: Nowadays, cleanrooms have become impartible parts of an industry with sensitive products. Sources of contamination in cleanrooms are impaired performance and quality sensitive products in the cleanrooms .The aim of this study was to evaluate the efficiency of HEPA filter and check the concentration and number of airborne particles in cleanrooms for pharmaceutic...
[ 6 ] - بررسی مشکلات ارگونومیکی بیمارستان از دیدگاه تکنولوژی تعامل انسان- سیستم و راهکارهای برای بهبود: یک پژوهش کیفی
Background and aims: Hospital personnel are exposed to various occupational hazards because of their job circumstances. The aim of this study is to investigate the ergonomic problems of hospital from the perspective of human-system interface technology and to recommend the strategies for improvement. Methods: In this qualitative study, the conceptual framework of hospital ergonomic problems ...
[ 7 ] - ساخت و بهینه‌سازی نانوالیاف پلی آکریلونیتریل برای کاربرد در فیلتراسیون هوا
Background and aims: In nanofibrous filters, morphological properties, diameter of fibers and porosity percent of media are the most filtration characteristics. Therefore, the present study aimed to optimize the electrospinning parameters for reaching to the desired values of the mentioned filter characteristics. Method: For this purpose, a study design was prepared using response surface me...
[ 8 ] - بررسی اثربخشی دو روش آموزشی تمرین کار عملی و سخنرانی بر مهارت کارکنان برق کار بر اساس الگوی TIER
Background and aims: One of the reasons of electric shocks is failure to provide efficient training to the individual. The aim of this study is compare the effectiveness of practical and lecture training methods on skill and ability of electrical technicians in recognizing and control electrical hazards by TIER model. Methods: This study is a quasi-experimental (before and after type). First...
[ 9 ] - طراحی و ارزیابی عملکرد سامانۀ تهویۀ مکشی موضعی بر روی مشعل جوشکاری
Background and aims: The welders' health threat due to exposure to welding fume is an important issue, so effective exhaust of fumes are needful for to be assured from the workers safety in exposured to such proccess. In this study, was evaluated prototype operation of local exhaust ventilation on-gun in bench scale. Methods: duct velocity Average was determined by using traverse points meth...
[ 10 ] - اولویت بندی شاخص های مدیریت بهداشت و ایمنی شغلی در صنعت ساخت و ساز مبتنی بر تصمیم گیری چند معیاره (مطالعه موردی)
Background and aims: Critical infrastructures are the most important sectors in nation security, public safety, socioeconomic security and environment in the world. Such incidents make people, environment and industries harmed. The occurrence of accidents is common in the basic infrastructure of all countries in the world. Building industry is inherently facing many problems and ambiguities. Th...
[ 11 ] - ارزیابی و شبیه سازی الگوی جریان و پراکنش ذرات با تکنیک CFD در اتاق پاک یک صنعت دارویی
Background: clean room is an environment fully enclosed where parameters such as airborne particles under control and is requirement in the pharmaceutical industries to produce quality products. The aim of this study was to assessment and simulation of airflow and particle of clean room by CFD method in a pharmaceutical industry. Materials and Methods: This study used an experimental study tha...
[ 12 ] - ارائه ابعاد حوادث شغلی براساس وابستگی گروه های ریسک و آسیب(مطالعه موردی طی سالهای 1384 تا 1393 )
Background and aim: correspondence analysis method as the best method to optimize matrix functions that using the risk-injury matrix methods are analyzed. This method reduces the information contained in the risk-injury table and to determine the correlation between the variables in the matrix. The aim of this study is to present accidents and occupational hazards dimensions is dependent to ris...
[ 13 ] - ارایه الگوهای حوادث شغلی براساس وابستگی گروه‌های ریسک-آسیب (مطالعه موردی)
Introduction: Correspondence analysis method and preparation of accidents and occupational hazards pattern is able to predict and anticipate accidents and is automatically prioritize the risks and injuries. The aim of this study was to present accidents and occupational hazards pattern based on risk-injury groups, which use it to manage of occupational accidents. Material and Method: The rep...
[ 14 ] - اولویت بندی عوامل موثر بر خطر سوانح رانندگی مبتنی بر تصمیم گیری چند معیاره در پلیس راهنمایی و رانندگی (شهر تهران)
Background and aims: One of the most common accidents that annoy many people in the world every year is road traffic accidents. Today, the largest share of accidents related to traffic accidents. Iran is one of the countries with the highest incidence and mortality due to road accidents and traffic. Survey of these events can identify the main factors, prioritization and preventive programs for...
[ 15 ] - بررسی کاربردپذیری روش تخلیه پلاسمای سرد در حذف کربن مونوکساید هوا با استفاده از گاز پروپان
Background and aims: In recent years, non- thermal plasma could has yield desirable and successful results, in spite of some challenges and limitations. In particular, in emission control of mobile and stationary sources. CO pollutant, which is emitted from various emission sources is a toxic gas and employee exposure at indoor and outdoor workplaces is one of the main world challenges. The app...
[ 16 ] - Identification and ranking of key indicators of health, safety, environment and energy education performance based on multi criteria decision making (MCDM)
Introduction: Health, safety, environment and energy management systems are one of the most popular models, and Implementing and deploying it will prevent waste of time and money. Execution, Continuity Optimal performance it requires effective training. The purpose of this study was to identify and rank important indicators for health, safety, environment and energy education. Methods: This re...
[ 17 ] - Modification of activated carbon by cold plasma and its effect on the adsorption of toluene
Abstract Background and aims: Clean air is one of the basic needs for human health and well-being. However, along with economic growth and development, transportation, urbanization and energy consumption have also risen and provide many concerns such as air pollution, which require urgent and wide attention. Air pollution in the worldwide is considered as a risk factor for human health and one...
[ 18 ] - طراحی و اعتبارسنجی مدل آموزش بهداشت، ایمنی، محیط‌زیست و انرژی در صنایع معدنی
هدف از این پژوهش کاربردی، طراحی و تبیین مدل آموزش بهداشت، ایمنی، محیط‌زیست و انرژی در صنایع معدنی بوده و از منظر شیوه، گردآوری اطلاعات آمیخته است. جامعه آماری تحقیق تمامی متخصصان آموزش بهداشت، ایمنی و محیط‌زیست بودند که با روش نمونه‌گیری هدفمند و در دسترس، 38 نفر موردبررسی واقع‌شدند. داده‌ها با پرسش‌نامه محقق‌ساخته (48 گویه) جمع‌آوری شد. روایی صوری و محتوایی ابزار توسط متخصصان و پایایی آن با آ...
[ 19 ] - Investigating the status of prevention of coronavirus in industries
Background and aims: Considering the high prevalence and lack of standard treatment for the new coronavirus, the best way in the current situation is to avoid infection and prevent its spread. In occupational environments, especially industries, due to air pollution with dust, gases and vapors and allergens and irritants, workers are susceptible to COVID-19 infection. Respiratory exposure of wo...
[ 20 ] - COMPARISON OF FILTRATION PERFORMANCE BETWEEN NEAT AND PLASMA-TREATED PAN / MGO NANOFIBERS IN THE REMOVAL OF 10 TO 1000 NM PARTICLES
Introduction: The present study aimed to compare the filtration performance between neat hybrid electrospun nanofibers consisting of polyacrylonitrile (PAN) polymer and magnesium oxide (MgO) nanoparticles and plasma treated ones in removing fine particles from the air stream. Methodology: The upper surface of the nanofibers were processed by cold-plasma with a radio frequency power supply (13....
[ 21 ] - Development of a visual Basic 6.0 based smart application for the design and selection of local exhaust ventilation systems
Introduction: Air pollution in industrial work environments has adverse effects on worker health, for example, chronic obstructive pulmonary disease and asthma. These diseases impose direct and indirect costs on society. In hierarchy controls, local exhaust ventilation is considered an "engineering control" to remove or control contaminants released in indoor work environments. It is one of the...
[ 22 ] - Survey of role of didactic interventional Ergonomic-Safety program on Workers’ productivity (Case-series study of electrical assembling industry)
Introduction: Occupational health is one of the important issues that can affect productivity and economic development of an organization. This study aimed to determine the effect of didactic interventional Ergonomic-Safety program on workers’ productivity of an assembling industry. Methods and Materials: This interventional study was conducted on 54 workers of assembling part of an electronic...
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