Results 11 to 20 of about 4,606,141 (253)
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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DETERMINATION OF CONCENTRATION OF HEAVY METALS AFTER MORDANT DYEING WITH VEGETABLE DYES IN WOOL FIBERS STRUCTURE [PDF]
Вестник Дагестанского государственного технического университета: Технические науки, 2016 This paper describes a method for quantifying the content of heavy metal ions on the example of mordant dyeing with vegetable dyes thistle. As mordant used copper salts.
N. A. Shagina
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Metals phytotoxicity assessment and phyto maximum allowable concentration [PDF]
, 2019 In this paper, the influence of metals (Cd, Pb, Cu, Co, Ni, Zn) on plants of spring barley (Hordeum vulgare 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
core +3 more sources
The maximum allowable bounds of σ2 with Example 2.
, 2022 The maximum allowable bounds of σ2 with Example 2.
Thongchai Botmart (12269559) +1 more
core +1 more source
The maximum allowable bounds of σ2 with Example 1.
, 2022 The maximum allowable bounds of σ2 with Example 1.
Thongchai Botmart (12269559) +1 more
core +1 more source
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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