Journal of Particle Science & Technology
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ارسال های اخیر
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Luminescence quenching studies of [Ru(dMeObpy)<sub>3</sub>]<sup>2+</sup> complex using the quinone derivative-effect of micelles
(Iranian Research Organization for Science and Technology, 2023-05-01)Quinones are considered a class of organic compounds having a quinonoid group and are the ultimate electron acceptors. Due to this property, they have favourable redox potential and the ability to form stable hydrogen ...
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Mechanical behavior of magnesium-steel particles composites with interpenetrating phases
(Iranian Research Organization for Science and Technology, 2023-05-01)In this study, steel particles were used to reinforce the magnesium matrix. To fabricate the magnesium-steel particle composite, steel particle preforms were made in different sizes; some were sintered at 1000 - 1200 ℃ ...
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Theoretical study of quantum and thermal properties of particles’ bound state in quantum disks
(Iranian Research Organization for Science and Technology, 2023-05-01)The present study aims to investigate the thermal properties of low-quantum structures (LQS) with a described non-central potential. Additionally, the study investigates the influence of relativistic parameters such as the ...
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Preparation of pure cordierite through heat treatment of combustion synthesized magnesium aluminate spinel and silica nanoparticles
(Iranian Research Organization for Science and Technology, 2023-05-01)In the present work, cordierite single-phase powders with high purity were synthesized during a two-step process. First, magnesium aluminate spinel powders were prepared via the KCl-assisted solution combustion route. Then, ...
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Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>/AEPTMS/Fe(OTf)<sub>3</sub>: An efficient superparamagnetic nanocatalyst for the protecting of alcohols
(Iranian Research Organization for Science and Technology, 2023-05-01)Fe3O4@SiO2/AEPTMS/Fe(OTf)3 is a stable, effective, and magnetic nanocatalyst easily prepared and characterized using FT-IR spectroscopy, SEM, TEM, and VSM techniques. This nanocatalyst was successfully applied for ...
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ZnS/ZnO heterostructure semiconductor: A promising ionic liquid media approach without calcination
(Iranian Research Organization for Science and Technology, 2022-11-01)ZnS is a wide band gap semiconductor with excellent optical and electrical properties whose electronic structure can be modified with other semiconductors. In this study, ZnS and ZnS/ZnO heterostructure semiconductors were ...
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Application of Fe<sub>3</sub>O<sub>4</sub>@THAM-CH<sub>2</sub>CH<sub>2</sub>Cl magnetic nanoparticle as a new adsorbent in ultrasonically assisted removal of Congo red from aqueous solutions
(Iranian Research Organization for Science and Technology, 2022-11-01)The objective of this work was to evaluate the efficiency of a promising ultrasonically assisted adsorption with the Fe3O4@THAM-CH2CH2Cl magnetic nanoparticle (MNPS) as a new adsorbent for the elimination of Congo red from ...
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Fabrication of Zn<sub>1-X</sub>Cu<sub>X</sub>O nanoparticles and investigation of their effect on the thermal conductivity of nanofluids
(Iranian Research Organization for Science and Technology, 2022-11-01)The main purpose of this research is to investigate the effect of doped nanoparticles on the thermal conductivity of nanofluids. ZnO, CuO, and Zn1-XCuXO doped nanoparticles were first fabricated by the sol-gel auto-combustion ...
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Structural and magnetic properties of chemically synthesized yttrium-substituted nickel nanoferrite
(Iranian Research Organization for Science and Technology, 2022-11-01)In this paper, yttrium-substituted nickel ferrite (NiY2xFe2-2xO4) nanostructures were synthesized via the co-precipitation method with different concentrations of yttrium (x = 0.00, 0.02, 0.06, and 0.12 %, where x is the ...
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Synthesis, characterization, and magnetic properties of NiFe<sub>2</sub>O<sub>4</sub> nanoparticles
(Iranian Research Organization for Science and Technology, 2022-11-01)In order to adjust the crystallite size and structure, NiFe2O4 was prepared in this study via a polyacrylamide gel method. Various characterization techniques like XRD, FT-IR, SEM, and VSM were used to learn more about the ...
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Activated pharmaceutical ingredients produced by microreactors versus batch processes: A review
(Iranian Research Organization for Science and Technology, 2022-11-01)In the pharmaceutical industry, drug synthesis is usually carried out by batch method. However, in recent years, continuous methods, specifically microfluidics and microreactors, have attracted a great deal of attention ...
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Investigation of phosphate adsorption from aqueous media using synthetic mordenite and modified natural clinoptilolite zeolite adsorbents: characteristics, kinetics, and isotherms
(Iranian Research Organization for Science and Technology, 2021-10-01)This study investigates phosphate removal from aqueous solution by synthetic mordenite and modified clinoptilolite zeolite. The mordenite zeolite was synthesized using the solvothermal method, and natural clinoptilolite ...
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Preliminary study on upgrading silica sand from the Elwadi Elgedid, Western Desert, Egypt for compatibility with various industrial applications
(Iranian Research Organization for Science and Technology, 2021-10-01)The silica sand from the vast Elwadi Elgedid desert is an important potential resource. However, before it can be used industrially, its quality needs to be improved by reducing the ratios of iron and titanium oxides. The ...
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The effect of adding nano-silica on the ultrasonic pulse velocity of geopolymer concrete
(Iranian Research Organization for Science and Technology, 2021-10-01)Nanotechnology plays an important role in the current construction industry. It has been observed that several properties of cement-based concrete are affected by different nano materials. In this study, different weight ...
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Cyclone separator theories to predict performance and flow characteristics
(Iranian Research Organization for Science and Technology, 2021-10-01)Several theoretical approaches for predicting performance parameters (collection efficiency, pressure drop, and velocities) of cyclone separators have been developed due to their extensive use in particle handling industries. ...
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Combustion synthesis of sponge-like CeO<sub>2</sub> powder for selective determination of uric acid in biological fluids
(Iranian Research Organization for Science and Technology, 2021-10-01)Sponge-like porous cerium oxide particles were prepared through the self-propagating high-temperature synthesis process. Then, the synthesized powder was used to modify the carbon paste electrode (CPE/porous CeO2) for ...
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Exciton properties in 2D-Xenes nanomaterials within quantum field approaches
(Iranian Research Organization for Science and Technology, 2021-10-01)There have been substantial theoretical advances in the field of condensed matter physics in recent years. These significant developments have spanned many different principles. For example, accelerated research into ...
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Synthesis and characterization of the aminated nano-zeolite: A green heterogeneous nanocatalyst for the synthesis of valuable organic compounds
(Iranian Research Organization for Science and Technology, 2022-05-01)In this study, natural surface-modified nano-clinoptilolite, NCP@SiO3Pr(CH2)6N4, was synthesized and fully characterized using various analytical techniques, including FT-IR, XRD, SEM, EDS, TEM, and TG-DTA analyses. ...
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Synthesizing Fe<sub>3</sub>O<sub>4</sub>, Mn<sub>3</sub>O<sub>4</sub> and Mn<sub>3</sub>O<sub>4</sub>/Fe<sub>3</sub>O<sub>4</sub> nanocatalysts using the sol-gel method as new precursors for the degradation of phenol by catalytic ozonation
(Iranian Research Organization for Science and Technology, 2022-05-01)Ozone has received much attention in wastewater treatment as an impressive oxidation agent. In this work, three new metal complexes, [pyda.H][Fe(pydc)(pydc.H)].H2O, (I); [pyda.H][Fe(pydc)2].H2O, (II); and [pyda.H2]5[Mn(p ...
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The effect of nanoclay on the creation of clusters of polyamide 6 microfibrils
(Iranian Research Organization for Science and Technology, 2022-05-01)The PA6/clay nanocomposites were prepared during in-situ anionic ring-opening polymerization (AROP) via reactive melt blending in a Hakke internal mixer. Then, the samples were characterized using FT-IR, DSC, DMTA, rheometer, ...