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Article
Application of three nanoparticles (Al2O3, SiO2 and TiO2) for metal-contaminated soil remediation (measuring and modeling)
The immobilization of zinc (Zn), cadmium (Cd) and nickel (Ni) using nanoparticles (NPs) was investigated. Two non-calcareous and calcareous contaminated soils were incubated with Al2O3, SiO2 and TiO2 at 1 and 3% ...
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Article
Long-term simulation of some soil chemical properties under continuous wheat cultivation irrigated with waters of different qualities
The use of low-quality waters for irrigation in arid and semiarid regions is increasing due to the shortage of good-quality water supplies. Geochemical simulations are cost-effective ways to determine the suit...
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Article
A Low-Power CMOS Transceiver in 130 nm for Wireless Sensor Network Applications
RF modules are responsible for major power consumptions in wireless sensor network nodes. A transceiver is the core of RF modules. A low-power RF transceiver in 130 nm at 1 v is presented for WSN applications....
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Article
Measuring and modeling metal ions adsorption on αAl2O3, SiO2 and TiO2 nanoparticles in the presence of organic ligands
Nanoparticles (NPs) can be used to remove metal ions from aqueous solutions. However, removal efficiency of metal ions using NPs is influenced by organic ligands. The aims of this study were to investigate cad...
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Article
Open AccessComparison of the fecal bacterial microbiota of healthy and diarrheic foals at two and four weeks of life
Diarrhea in foals affects up to 60% of foals during the first six months of life. The effect of diarrhea on the fecal bacterial microbiota in foals has not been investigated. Little is known on the fecal bacte...
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Article
Empirical and mechanistic evaluation of sodium exchange isotherms on natural mineral and organic adsorbents and organically functionalized nanoparticles
This study was conducted to evaluate the efficiency of low-cost adsorbents including bentonite, kaolinite and zeolite saturated with calcium and potassium, potato and wheat residues, and three metal oxide nano...
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Article
Circuit-level implementation of quantum-dot VCSEL
In this paper, for the first time a circuit model of quantum dot InGaAs–GaAs VCSEL including thermal effects is presented. The model is able to predict L-I characteristics for a range of ambient temperatures t...
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Article
The study of morphology and wear behavior of nanocomposite Cr-WC coating produced via electrodeposition with direct and pulse current
Nanocomposite Cr-WC coatings are widely used in different industries due to the favorite characteristics such as high wear and corrosion resistance. In this article, at the first time the nanocomposite Cr-WC c...
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Article
Surface complexation model of boron adsorption by calcareous soils
This study aimed to evaluate boron (B) adsorption and the capacity of a surface complexation model for simulating this process in calcareous soils. Ten surface soils were collected from different land use area...
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Article
Empirical and Mechanistic Evaluation of NH 4 + Release Kinetic in Calcareous Soils
Release, fixation, and distribution of ammonium (NH 4 + ) as a source of nitrogen can play an important role in soil fertility and plant nutrition. In this stud...
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Article
Release kinetics and distribution of boron in different fractions in some calcareous soils
The aim of this study was to evaluate the release kinetics, speciation, and fractionation of boron (B) in some calcareous soils of western Iran. Ten surface soil samples were incubated with 100 mg B kg−1 for a we...
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Article
Effect of low-molecular-weight organic acids on kinetics release and fractionation of phosphorus in some calcareous soils of western Iran
Organic acid has been related to nutrient mobilization, mainly in phosphorus (P) insoluble utilization, and therefore enhances P bioavailability. In this study, we examined the effect of low-molecular-weight o...
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Article
Measuring and modeling ammonium adsorption by calcareous soils
The aim of this study was assessment of ammonium (NH 4 + ) adsorption isotherms in some agricultural calcareous soils and modeling of that by using the mechanis...
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Article
Kinetics of Cd Release from Some Contaminated Calcareous Soils
Contamination of soils with heavy metals may pose long-term risk to groundwater quality leading to health implications. Bioavailability of heavy metals, like cadmium (Cd) is strongly affected by sorption and d...
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Article
Effect of sheep manure and EDTA on the leaching of potassium from heavy metals contaminated calcareous soils
In this study, we examined the movement of potassium (K) in columns of contaminated calcareous soils by sheep manure and ethylene diamine tetraacetic acid (EDTA). Glass tubes, 4.9 cm in diameter and 40 cm in l...
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Article
Competitive adsorption of trace elements in calcareous soils as affected by sewage sludge, poultry manure, and municipal waste compost
The competitive adsorption of trace elements is a key issue in assessing the mobility of trace elements in calcareous soils and can be affected by disposal of sewage sludge, municipal waste, and poultry manure...
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Article
Effect of addition of organic residues on phosphorus release kinetics in some calcareous soils of western Iran
We investigated the effects on phosphorus (P) release of the addition of potato, wheat, and sunflower residues and fruit compost to five calcareous soils. Residue was added at the rate of 20 g kg−1. After 2 month...
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Article
Evaluation of phosphorus leaching from contaminated calcareous soils due to the application of sheep manure and ethylenediamine tetraacetic acid
Organic amendment application to heavy metal contaminated soils may contribute to leaching of phosphorus (P). The objectives of this study were to determine the influence of sheep manure and ethylenediamine te...
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Article
Potassium leaching in undisturbed soil cores following surface applications of gypsum
Displacement studies on leaching of potassium (K+) were conducted under unsaturated steady state flow conditions in nine undisturbed soil columns (15.5 cm in diameter and 25 cm long). Pulses of K+ applied to colu...
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Article
Environmental contamination of Zn, Cd, Ni, Cu, and Pb from industrial areas in Hamadan Province, western Iran
Eleven surface soil samples from calcareous soils of industrial areas in Hamadan Province, western Iran were analyzed for total concentrations of Zn, Cd, Ni, Cu and Pb and were sequentially extracted into six ...
