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Determination of 90Sr Accumulation in Human Teeth
Tooth 90Sr 90Y Calcium Flame atomic absorption spectrometer
2004/2/28
The accumulation of 90Sr in decayed or exfoliated human teeth was investigated by ultra low level beta counting. Fuming nitric acid and the necessary carriers and reagents were used for dissolving the...
Effects of Sucrose Concentration during Citric Acid Accumulation by Aspergillus niger
Aspergillus niger citric acid accumulation osmotic stress phosphotyrosine signal transduction
2003/10/30
A number of regulatory mechanisms are involved in increasing citric acid production under certain conditions. The accumulation of citric acid takes place under the high concentration of carbon sources...
Trace Element Accumulation in Selected Bioindicators Exposed to Emissions along the Industrial Facilities of Danube Lowland
heavy metals soil lucerne wheat earthworms bioaccumulation
2002/12/30
Trace Element Accumulation in Selected Bioindicators Exposed to Emissions along the Industrial Facilities of Danube Lowland.
Accumulation of Heavy Metals in Freshwater Organisms: Assessment of Toxic Interactions
metal accumulation heavy metal interactive effects duckweed
2001/6/30
Heavy metals are continuously released into the terrestrial environment by natural sources and human activities. The uptake and accumulation of heavy metals by plants promotes a mechanistic understand...
Photochemical Processes and Accumulation of Solar Energy in Oil Luminophors
Photochemical Processes Accumulation Solar Energy in Oil Luminophors
2000/3/30
Using the methods of absorption spectroscopy, luminescence and EPR there has been studied the mechanism of solar energy accumulation by high boiling products of oil refining and by luminophors prepare...