Results 11 to 20 of about 4,366,934 (248)
Metals phytotoxicity assessment and phyto maximum allowable concentration [PDF]
Polish Journal of Soil Science, 2019 <p>In this paper, the influence of metals (Cd, Pb, Cu, Co, Ni, Zn) on plants of spring barley (<em>Hordeum vulgare</em> L.) was investigated in polluted sod podzolic sandy loam on layered glacial sands and calcareous deep chernozem on loamy loess soils.
Ryzhenko, Nataliia Olexandraivna +1 more
openaire +5 more sources
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
doaj +1 more source
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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The relationship between daily maximum temperature and daily maximum ground level ozone concentration [PDF]
, 2017 Ground-level ozone is one of the dominant criteria pollutants that contribute to unhealthy days in ambient air measurements throughout Malaysia. In addition to VOCs and NOx, meteorological factors such as insolation and temperature influence the ...
Abdullah, Samsuri +9 more
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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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An improved design method for CRLP maximum allowable operating pressure
, 2021 Compared to the traditional line pipe, the composite reinforced line pipes (CRLP) have the advantages of high pressure bearing capacity and light weight. However, researches on pressure design of CRLP are still insufficient.
Zhiqiang CHENG, Xu GUO, Yanyu WANG
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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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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
doaj
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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