Results 11 to 20 of about 14,348 (260)
Medycyna Pracy, 2013 Currently, there are no legally binding workplace exposure limits for substances in the form of nanoobjects. There are different approaches to risk assessment and determination of occupational exposure limits.
Anna Maria Świdwińska-Gajewska +1 more
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Measuring the ambient air pollutants in Garmsar industrial district
Journal of Air Pollution and Health, 2022 Introduction: Nowadays, air pollution is one of the main health and environmental problems in developing cities, which is a result of the increasing use of fossil fuels, heat generators and the activities of industrial districts and industries ...
Ramin Maleki, Seyyede Sara Azhdari
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Разработка и регистрация лекарственных средств, 2022 Introduction. The use of highly active substances of various origins in the pharmaceutical industry exposes employees working directly with active pharmaceutical substances (APS) in manufacturing facilities to risks.
I. A. Pozharnov +3 more
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Известия ТИНРО, 2015 Toxicological tests of salmons on acute and chronic critical concentrations of 15 chemical elements (Cu, Zn, Pb, Co, Ni, Mn, Sb, Al, Fe, Mo, V, Se, S, As, B) are executed and compared with cited data, with special attention to mechanisms of the toxins ...
Eugeny V. Esin
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Analysis of Trace Metal Contamination in Pahang River and Kelantan River, Malaysia [PDF]
MATEC Web of Conferences, 2019 The primary objective of this study is to determine trace metal contamination in environmental samples obtained from Pahang River and Kelantan River, Malaysia which may help to identify the risk of sustainable dredging in these areas.
Manap Norpadzlihatun +3 more
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Hardening of gear teeth depending on the concentration of abrasive particles in the transmission oil [PDF]
BIO Web of ConferencesThe article deals with the issues of determining the life and limiting concentration of abrasive particles in the oil of transmission units, depending on the type of hardening of gear teeth.
Mirzakhodjaev Sherzodkhuja +2 more
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A Review on water and sedimentary Lead concentrations in Kenya’s surface water bodies [PDF]
Present Environment and Sustainable Development, 2022 Proper management, monitory and pollution controls measure should be maintained, for limited water resources, so as to reduce human health risks. Lead pollution can negatively affect human health.
Cornelius NGANDU
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THE STUDY OF CHEMICAL COMPOSITION AND EVALUATION OF GROUNDWATER QUALITY IN SOME REGIONS OF MOLDOVA [PDF]
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2012 The paper presents the results of groundwater study from different sources, selected in v. Myndreshty, Telenesti district, in various villages of Cahul district and in artesian wells in and around Chisinau.
T. Mitina, N. Bondarenco, O. Bunciuc
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Boron Removal by Adsorption onto Different Oxides
Journal of Engineering, 2023 A research was conducted to determine the feasibility of using adsorption process to remove boron from aqueous solutions using batch technique. Three adsorbent materials; magnesium, aluminum and iron oxide were investigated to find their abilities for ...
Abbas, H. Sulaymoon +2 more
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Structural Mechanics of Engineering Constructions and Buildings, 2019 Relevance. The nuclear power plant contains a large number of equipment and pipelines subject to flow acceleration corrosion. As a result of a combination of various parameters - sizes (diameters, wall thickness), operational parameters (internal ...
Dmitry A. Kuzmin +1 more
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