Results 21 to 30 of about 105,583 (339)
In the conditions of a model laboratory experiment the influence of lead salts (an acetate and nitrate) on morphological and physiological parameters of filamentous cyanobacteria was studied.
A. R. Galperina, O. B. Soprunova
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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
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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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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Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants [PDF]
National Research Council
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Safe design of cooled tubular reactors for exothermic multiple reactions: Multiple-reaction networks [PDF]
The model of the pseudo-homogeneous, one-dimensional cooled tubular reactor is applied to a multiple-reaction network. It is demonstrated for a network which consists of two parallel and two consecutive reactions.
Westerink, E.J., Westerterp, K.R.
core +2 more sources
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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Optimization of leaf morphology in relation to leaf water status: A theory. [PDF]
The leaf economic traits such as leaf area, maximum carbon assimilation rate, and venation are all correlated and related to water availability. Furthermore, leaves are often broad and large in humid areas and narrower in arid/semiarid and hot and cold ...
Ding, Junyan +2 more
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Analysis of Trace Metal Contamination in Pahang River and Kelantan River, Malaysia [PDF]
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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A Review on water and sedimentary Lead concentrations in Kenya’s surface water bodies [PDF]
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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