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Article
Monitoring and assessment of contamination and ecological risk of heavy metals in Hezarpich surface soils
This study aimed to investigate the contamination of heavy metals including cadmium (Cd), copper (Cu), zinc (Zn), and lead (Pb), and monitor the spatial distribution of soil contamination around the municipal ...
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Article
Open AccessAn application of artificial neural networks for solving fractional higher-order linear integro-differential equations
This ongoing work is vehemently dedicated to the investigation of a class of ordinary linear Volterra type integro-differential equations with fractional order in numerical mode. By replacing the unknown funct...
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Article
Simulation of Nitrogen and Phosphorus Losses in Loess Landforms of Northern Iran
Population growth, urban expansion and intensive agriculture and thus increased use of fertilizers aimed at increasing the production capacity cause extensive loss of nutrients such as nitrogen and phosphorus ...
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Article
Absence of Reconfiguration for Extreme Periods of Rectangular Array of Holes
We study the magneto-resistance oscillations of four reference samples, S1 to S4, with varying periods in rectangular arrays of antidots on superconducting Nb film. Conforming to literature, the oscillations o...