نتایج جستجو برای: permissible level

تعداد نتایج: 1084925  

Journal: :international journal of environmental research 2011
m.a. ashraf m.j. maah i. yusoff

this study has been carried out to determine the accumulation of heavy metals (arsenic, copper, lead, tin and zinc) in fish samples collected from former tin mining catchment. total eight types of fish family having fifteen different species are identified. cyperinidae is the most abundant family with eight different species found in the catchment. fish samples were analysed by using inductive...

Journal: :international journal of environmental research 0
m.a. ashraf department of chemistry, university of malaya, kuala lumpur 50603 malaysia m.j. maah department of chemistry, university of malaya, kuala lumpur 50603 malaysia i. yusoff department of geology, university of malaya, kuala lumpur 50603 malaysia

this study has been carried out to determine the accumulation of heavy metals (arsenic, copper, lead, tin and zinc) in fish samples collected from former tin mining catchment. total eight types of fish family having fifteen different species are identified. cyperinidae is the most abundant family with eight different species found in the catchment. fish samples were analysed by using inductivel...

Journal: :iranian journal of toxicology 0
مصطفی دلاور mostafa delavar department of pharmacology , arak university of medical sciences, arak, iran. ریتا احمدی عراقی rita ahmadi araghi bureau of food and hygienic products control, arak university of medical sciences, arak, iran. امیرمحمد کاظمی فر amir mohammad kazemifar department of forensic medicine, qazvin university of medical sciences, qazvin, iran. مهدی عبدالهی mahdi abdollahi laboratory of bureau of food and hygienic products control, arak university of medical sciences, arak, iran. بهنوش انصاری behnoush ansari laboratory of bureau of food and hygienic products control, arak university of medical sciences, arak, iran.

background: anecdotal information has suggested that sodium benzoate is used with more than permissible doses during production steps of food products especially pickles and pickled cucumbers in food producing factories in markazi province and other food producing factories . the present study was done to evaluate factual concentration of sodium benzoate in these products. methods: in this stud...

2004
Chris Jones Peter Cox Chris Huntingford

Climate change will affect climate-carbon cycle feedbacks such that permissible emissions to achieve stabilisation will need to be substantially lower than hereto expected. This is especially true for higher stabilisation levels with reductions to total permissible emissions of over 30%. There is an “optimal pathway” to each stabilisation level, defined as that allowing maximum permissible emis...

ابراهیمی حریری, علیرضا , جلالی, مهدی , ملاکاظمی‌ها, مهدی , موسویون, سید محمد علی , نگهبان, سید امیر رضا ,

Introduction: In Iran country, small enterprise with less than 10 workers comprise about %90 of all industries and 80% of working population. Noise, higher than the permissible level is among the hazardous agents, workers in these plants facing with. The aim of this study was to investigate the correlation between screening estimation and noise measurement in small plants. . Material and Metho...

Amir Mohammad Kazemifar, Behnoush Ansari, Mahdi Abdollahi, Mostafa Delavar, Rita Ahmadi Araghi,

Background: Anecdotal information has suggested that sodium benzoate is used with more than permissible doses during production steps of food products especially pickles and pickled cucumbers in food producing factories in Markazi province and other food producing factories . The present study was done to evaluate factual concentration of sodium benzoate in these products. Methods: In this ...

Journal: :The Musical Times and Singing Class Circular 1901

Journal: :Health risk analysis 2022

The Joint FAO/WHO Expert Committee recommends the maximum permissible level of zilpaterol in meat to be fixed at 0.5 µg/kg. This is substantiated by results analysis described several research works. Nevertheless, substantiation provided for this recommended standard requires a detailed discussion. In study, we aimed analyze suggestions on (MPL) as per health risks consumers. Our revealed that ...

1998
Andrej Zemva Franc Brglez Baldomir Zajc

WAve Synthesis of Permissible mutation functions, WASP, is a heuristic with an objective to minimize the nodes and the levels of an acyclic multiple level boolean network of 2-input nodes. WASP transforms a multi-input, multi-output perturbation region of wires Pj into a single-level mutation subcircuit Mj and a remainder subcircuit Rj . The transformations include the concept of minimum cost p...

Journal: :iranian red crescent medical journal 0
balachandar s sayapathi centre for occupational and environmental health, university of malaya, kuala lumpur, malaysia; department of ministry of health, kuala lumpur, malaysia; centre for occupational and environmental health, university of malaya, kuala lumpur, malaysia. tel: +60-138049126, fax: +60-82442941 anselm ting su department of community medicine and public health, faculty of medicine and health sciences, university malaysia sarawak, sarawak, malaysia; department of hygiene, school of medicine, wakayama medical university, wakayama, japan david koh occupational health and medicine center, paprsb institute of health sciences, university brunei darussalam, bandar seri begawan, brunei; ssh school of public health, national university of singapore, singapore, singapore

conclusions the adoption of 85 dba as the permissible exposure limit has preserved hearing threshold level among participants at 3000 hz compared to those who embraced 90 dba. patients and methods this is an intervention study done on two automobile factories. there were 203 employees exposed to noise levels beyond the action level. hearing protection devices were distributed to reduce noise le...

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