The paper presents the results of comprehensive studies on problem formation a deposit heavy metals in plant communities West Siberian Arctic and Subarctic. regularities concentration redistribution soil-plant system have been revealed. Excessive accumulation by different species is limited selectivity root absorption relation to certain elements, therefore it important calculate coefficient bi...

in this study, the turbulent kinetic energy redistribution process is investigated. to this aim, the direct numerical simulation (dns) of incompressible flow of a newtonian fluid through a channel at a shear reynolds number of reτ = 180 is used to produce a flow data base. then, these data are statistically analyzed. the turbulent kinetic energy redistribution is studied using the pressure-stra...

with development of technology and science and continuous increase in productivity, product life cycles are shortened and customer demands are more personalized and diversified, which makes companies face with ever changing and unpredictable competitive environment. therefore, rapid response to market competition has become one of the main focuses and the competitive advantages. today, one of t...

the objective of the current study was to evaluate the reproducibility of a reverse transcriptase pcr (rt-pcr)-based technique to differentiate viable and dead salmonella cells in raw and sterilized milk. the microorganism was initially inoculated into the milk samples followed by incubating at 37°c for 4 h prior to inactivation by heat at 80°c for 10 min. the treated and non-treated samples we...

BACKGROUND Heart failure (HF) patients can benefit from a proper RS. We had observed that they show an increase in the number of arrhythmias during the first year of pharmacological treatment. METHODS We carried out a prospective observational study in which patients in an HF Clinic were included when they had follow-up Holter monitoring. Patients also had a baseline myocardial perfusion scan...

A long-term test of 2000 h has been carried out on a typical solid oxide cell in electrolysis mode at −1 A.cm −2 and 750 °C. The 3D reconstructions the pristine aged cermet have revealed strong Ni depletion electrolyte interface. To explain this result, an electrochemical phase-field model developed to simulate migration Ni/YSZ electrode. For purpose, mechanism proposed that takes into account ...

Schematic and algorithmic solutions for the design construction of ship’s electromotive systems various purposes are considered. The analysis existing structures complexes, as well types electrical converters used is carried out. structure an complex based on a transformerless with common DC bus-bars proposed. main goals improvement to increase energy efficiency, reliability survivability elect...