نتایج جستجو برای: toxic and hazardous management

تعداد نتایج: 16986062  

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
m. nasrollahi dept. of microbiology, school of medicine, mazandaran university of medical sciences, sari, iran. ma. zazouli dept. of environmental health, school of health, health sciences research center, mazandaran university of medical sciences, sari, iran. d. balarak dept. of environmental health, school of health, health promotion research center, zahedan university of medical sciences, zahedan, iran m. moradi golrokhi dept. of microbiology, students research committee, mazandaran university of medical sciences, sari, iran.

objective: dental solid wastes often contain hazardous substances. the first step of management of dental solid wastes includes detection and classification of these substances. this study aimed to qualitatively and quantitatively assess the management of solid wastes by dental offices in urmia city in 2013. methods: this descriptive study was conducted on all private dental offices in urmia ci...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

abstract: country’s fiber optic network, as one of the most important communication infrastructures, is of high importance; therefore, ensuring security of the network and its data is essential. no remarkable research has been done on assessing security of the country’s fiber optic network. besides, according to an official statistics released by ertebatat zirsakht company, unwanted disconnec...

Journal: :jundishapur journal of natural pharmaceutical products 0
mohammad arefi department of clinical toxicology, school of medicine, baharloo hospital, tehran university of medical sciences, tehran, ir iran hamidreza mohammadi department of clinical toxicology, school of medicine, baharloo hospital, tehran university of medical sciences, tehran, ir iran; pharmacutical science research center, mazandaran university of medical sciences, sari, ir iran; department of toxicology and pharmacology, faculty of pharmacy, mazandaran university of medical sciences, sari, ir iran; department of toxicology and pharmacology, faculty of pharmacy, mazandaran university of medical sciences, sari, ir iran. tel: +98-1513543082, fax: +98-1513543085

introduction acute poisoning by oral ingestion of mixed hazardous materials can lead to multiorgan toxicity and may represent a special challenge in clinical management, in particular if little is known about the effects of the involved agents. this is especially true when industrial chemical substances have been swallowed, as a huge variety of toxic substances must be taken into account. concl...

2002

Detection of traces of toxic chemicals in drinking water supplies, in polar ice caps, groundwater sources and episodes such as those in Minamata Bay, Japan and Love Canal, USA have focussed the attention of the public worldwide on the risks posed by the inappropriate disposal of hazardous waste and accidental release of toxic chemicals into the environment. In India regulations to control and m...

ژورنال: مجله دندانپزشکی 2009
جنیدی جعفری, احمد, عمرانی, قاسمعلی, نبی‌زاده, رامین, کولیوند, علی, یونسیان, مسعود,

Background and Aim: Today, one of the most important environmental issues is dental solid wastes which are of great importance because of the presence of hazardous, toxic and pathogen agents. In this survey, solid waste produced in Hamedan general dental offices is evaluated. Materials and Methods: In this descriptive study, from 104 general dental offices in Hamedan , 10 offices were selected...

Journal: :سلامت و محیط زیست 0
علی کولیوند a kulivand 1department environmental health engineering, school of public health, tehran university of medicalدانشکده بهداشت و انستیتو تحقیقات بهداشتی دانشگاه علوم پزشکی تهران، گروه مهندسی بهداشت محیط دانشجوی رامین نبی زاده r nabizadeh 1department environmental health engineering, school of public health, tehran university of medicalدانشیار و عضو هیئت علمی گروه مهندسی بهداشت محیط دانشکده بهداشت و انستیتو تحقیقات بهداشتی، دانشگاه احمد جنیدی جعفری a joneidy 1department environmental health engineering, school of public health, tehran university of medicalدانشیار و عضو هیئت علمی گروه مهندسی بهداشت محیط دانشکده بهداشت، دانشگاه علوم پزشکی ایران مسعود یونسیان m yunesian 1department environmental health engineering, school of public health, tehran university of medical- دانشیار و عضو هیئت علمی گروه مهندسی بهداشت محیط دانشکده بهداشت و انستیتو تحقیقات بهداشتی، دانشگا قاسمعلی عمرانی gh omrany 1department environmental health engineering, school of public health, tehran university of medicalاستاد و عضو هیئت علمی گروه مهندسی بهداشت محیط دانشکده بهداشت و انستیتو تحقیقات بهداشتی، دانشگاه علو

backgrounds and objectives:today, one of the most important environmental issues is solid waste produced in dentistry that because of the presence of hazardous, toxic and pathogen agents has special importance. in this survey, solid waste produced in hamadan dentistry laboratories and practical dentist offices is studied.materials and methods: in this descriptive study, from 24 dentistry labora...

Journal: :Indonesian Journal of Health Sciences Research and Development 2022

Background: Management of medical B3 waste during the COVID-19 pandemic is still very limited.At Kendari City Regional General Hospital. generation has increased from 24.324 kg in 2019 to 32.123 2020. In April 2021, amount reached 11,402 kg.There were several factors that affect management waste. This study aims determine related hazardous and toxic (B3) at Covid-19 Referral Hospital City. Meth...

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 2013
Luis Schiesari Andrea Waichman Theo Brock Cristina Adams Britta Grillitsch

Agricultural frontiers are dynamic environments characterized by the conversion of native habitats to agriculture. Because they are currently concentrated in diverse tropical habitats, agricultural frontiers are areas where the largest number of species is exposed to hazardous land management practices, including pesticide use. Focusing on the Amazonian frontier, we show that producers have var...

2002
Jennifer Clapp

T management of toxic waste has become an increasingly global business. The worldwide generation of hazardous waste is currently around 440 million tons, of which an estimated 10 percent makes its way across international boundaries.1 A variety of industries generate toxic wastes, ranging from chemicals to electronics and from plastics to metal plating. These toxic wastes have adverse affects o...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده مدیریت 1392

data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...

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