نتایج جستجو برای: occupational heat exposure

تعداد نتایج: 546054  

Journal: :international journal of occupational and environment medicine 0
r mehrdad center for research on occupational diseases, tehran university of medical sciences, tehran, iran, research fellow, department of global health and population, harvard school of public health, boston, ma, usa eh atkins department of medicine, harvard medical school, department of occupational health, harvard school of public health, boston, ma, usa sa sharifian department of occupational medicine, school of medicine, tehran university of medical sciences, tehran, iran g pouryaghoub department of occupational medicine, school of medicine, tehran university of medical sciences, tehran, iran

background: exposure to human blood and body fluids is a common risk for nurses. many factors can affect the prevalence and incidence of this occupational hazard. psychosocial factors at work may be a risk factor for the exposure. objective: to assess needle stick, sharp injury and mucus exposure to blood-borne pathogens among nurses in iran and to determine the association between these exposu...

Journal: :journal of biomedical physics and engineering 0
a h pakravan department of prosthodontics, dental school, mazandaran university of medical sciences, mazandaran, iran s m r aghamiri department of radiation medicines, shahid beheshti university, tehran, iran t bamdadian department of prosthesis, faculty of dentistry, mazandaran university of medical sciences, mazandaran, iran m gholami endocrinology and metabolism research center, endocrinology and metabolism clinical sciences institute, tehran university of medical sciences, tehran, iran m moshfeghi department of oral and maxillofacial radiology, faculty of dentistry, shahid beheshti university of medical sciences, tehran, iran

background: panoramic imaging is one of the most common imaging methods in dentistry. regarding the side-effects of ionizing radiation, it is necessary to survey different aspects and details of panoramic imaging. in this study, we compared the absorbed x-ray dose around two panoramic x-ray units: pm 2002 cc proline (planmeca, helsinki, finland) and cranex tome (soredex, helsinki, finland). mat...

Journal: :archives of hygiene sciences 0
hajar dazi department of occupational health engineering, school of health, qazvin university of medical sciences, qazvin, iran payam heydari , department of occupational health engineering, faculty of health, qazvin university of medical sciences, qazvin, iran sana shokri , department of occupational health engineering, faculty of health, qazvin university of medical sciences, qazvin, iran sakineh varmazyar department of occupational health engineering, school of health, qazvin university of medical sciences, qazvin, iran ali safari variani , department of occupational health engineering, faculty of health, qazvin university of medical sciences, qazvin, iran

background & aims of the study: petrochemical industry is an important industry in the economic development of the country that causes employees have exposure with several kinds of contamination. the aim of this study was semi-quantitative assessment of the health risk of occupational exposure to chemical materials and investigation of spirometry indices between employees of petrochemical indus...

Hosseinee SJ Sadighi Gilani MA Vaziri MH,

Background: In humans, as in most mammals, spermatogenesis is temperature dependent. Experimental studies in animals and humans have demonstrated the role of exogenous heat exposure in male infertility. Several occupational and environmental exposures and toxins have known or suspected deleterious actions to male reproductive function. The main objective of this study was to determine the frequ...

Journal: :international journal of occupational and environment medicine 0
a behroozy department of occupational hygiene, school of paramedicine and public health, zanjan university of medical sciences, zanjan, iran

hazardous chemicals may enter the body by inhalation, ingestion, injection or dermal absorption. these exposure routes constitute the overall exposure burden on the body. most occupational exposure studies have focused on measurement of the concentration of air-borne contaminants and other possible routes of exposure are often overlooked. several studies have already highlighted the importance ...

Journal: :iranian journal of public health 0
seyed mohammad javad mortazavi medical physics & medical engineering department, school of medicine, shiraz university of medical sciences, shiraz, iran ; the center for research on radiological sciences, school of allied medical sciences, shiraz university of medical sciences, shiraz, iran. shahram taeb naser dehghan

radar transmitters emit high-power radiofrequency radiation by creation of a high-voltage and high-frequency alternating electrical current.health effects of occupational exposure to military radar were investigated. visual reaction time was recorded with a simple blind computer-assisted-visual reaction time test. to assess the short-term memory, modified wechsler memory scale test was performe...

Journal: :تحقیقات نظام سلامت 0
اعظم جان بزرگی کارشناسی ارشد، گروه عمومی، دانشکده تربیت بدنی، دانشگاه بیرجند، بیرجند، ایران نادر رهنما دانشیار، گروه آسیب شناسی ورزشی و حرکات اصلاحی، دانشکده تربیت بدنی، دانشگاه اصفهان، اصفهان، ایران غلامعلی قاسمی استادیار، گروه آسیب شناسی ورزشی و حرکات اصلاحی، دانشکده تربیت بدنی، دانشگاه اصفهان، اصفهان، ایران محمداسماعیل افضل پور دانشیار، گروه فیزیولوژی ورزشی، دانشکده تربیت بدنی، دانشگاه بیرجند، بیرجند، ایران سعید ایل بیگی استادیار، گروه بیومکانیک ورزشی، دانشکده تربیت بدنی، دانشگاه بیرجند، بیرجند، ایران راضیه کریمیان کارشناسی ارشد، گروه آسیب شناسی ورزشی و حرکات اصلاحی، دانشکده تربیت بدنی، دانشگاه اصفهان، اصفهان، ایران

normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 background: work-related musculoskeletal disorders (wmsds) are as one of general health problems throughout the world and they are the main reason for disabilities. the aim of this study was to investigate the prevalence of wmsds of isfahan’s teachers and the effect of eight weeks selected corrective exercises and ergonomi...

Journal: :international journal of occupational and environment medicine 0
m balali-mood s shademanfar j rastegar moghadam r afshari m namaei ghassemi h allah nemati

background: occupational lead poisoning is a health problem in iran. it has not previously been studied in traditional tile makers. objective: to determine the prevalence of lead poisoning and its complications in traditional tile workers in mashhad, northwest of iran. methods: we visited workers in two traditional tile factories and collected data by direct history taking and physical examinat...

Journal: :iranian journal of radiation research 0
f. pakniat department of radiology, school of paramedicine, shahid beheshti university of medical sciences, tehran, iran h. mozdarani department of medical genetics, faculty of medical sciences, tarbiat modares university, tehran, iran b. nasirian malek-ashtar university, tehran, iran f. faeghi department of radiology, school of paramedicine, shahid beheshti university of medical sciences, tehran, iran

background: ˝radioadaptive response˝ is well-documented phenomenon appeared in low dose ionizing radiation received in vitro and in vivo. occupational exposure has always been a great concern for radiation workers therefore this study was performed to study radioadaptive response in terms of residual dna double strand breaks as an endpoint in peripheral blood leukocytes of occupationally expose...

Journal: :iranian journal of radiation research 0
m.a. gadhi bahawalpur institute of nuclear medicine and oncology (bino), pakistan atomic energy commission bahawalpur, pakistan sh. fatmi bahawalpur institute of nuclear medicine and oncology (bino), pakistan atomic energy commission bahawalpur, pakistan m.sh. gadhi institute of geology, university of the punjab, lahore, pakistan u. mahmood bahawalpur institute of nuclear medicine and oncology (bino), pakistan atomic energy commission bahawalpur, pakistan m. shakil department of physics, university of gujrat, pakistan s.a. buzdar medical physics research group, department of physics, the islamia university of bahawalpur, pakistan

background: the aim of the study was to analyze the effective dose record of occupationally exposed radiation workers at bahawalpur institute of nuclear medicine and oncology department. materials and methods: annual effective doses of occupationally exposed workers were measured by film badge dosimetry by sending the dosimeters to radiation dosimetry laboratory (rdl), pakistan institute of nuc...

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