نتایج جستجو برای: nanosize

تعداد نتایج: 535  

Journal: :Applied Physics A 2021

The morphology and nanosize of cathode materials play a crucial role in the improved electrochemical properties electrode material for lithium ion batteries. Herein, we report synthesis novel NH4V3O8 rectangular nanotube via facile one-pot solvothermal protocol with use mixing solvent containing glycerol, ethanol, ethylene glycol. evolution as-prepared from addition different solvents has been ...

Journal: :Journal of Nanomaterials 2022

The study of nanotechnology has been focused in recent years on the application various fields including agriculture. Nanofertilizers were suggested to have ability supply plants with nutrients more effectively and thus significantly improve crop productivity. Previous studies reported fabrication nanofertilizers that contained only one or two essential elements. addition other is necessary for...

Journal: :Journal of Nanomaterials 2022

Nanotechnology is an emerging technology in the field of food and agriculture; every individual molecule atom can be modified or controlled by this technology. Everything that exists on earth made up atoms molecules. Problems all fields easily overcome modifying altering their nanosize. Similarly, nanotechnology could address many issues agriculture industries. Nanomaterials play a keen role pl...

Journal: :international journal of nano dimension 0
s. khorrami department of chemistry, north tehran branch, islamic azad university, tehran, iran. f. gharib department of chemistry,shahid beheshti university,tehran, iran. g. mahmoudzadeh department of chemistry, north tehran branch, islamic azad university, tehran, iran. s. sadat sepehr department of chemistry, north tehran branch, islamic azad university, tehran, iran. s. sadat madani department of chemistry, north tehran branch, islamic azad university, tehran, iran. n. naderfar department of chemistry, north tehran branch, islamic azad university, tehran, iran. s. manie

sol–gel auto-combustion is a unique combination of the combustion and the chemical gelation processes. in this work, nanosize (d) powders with compositions of znfe2o4 were synthesized by sol–gel combustion method. the puffy, porous brown powders as-combusted was calcined at the temperature of 750–1000◦c for 4 h. these powders are characterized by x-ray diffraction and scanning electron microsco...

Journal: :iranian journal of catalysis 2012
javad safari zohre zarnegar

to be fairly general and catalyst is easily separated by magnetic devices and can be reused without any apparent loss of activity for the reaction. fe3o4 nanoparticles were prepared by chemical coprecipitation method and was found to be a mild and effective catalyst for the efficient, one-pot, three-component synthesis of 2,4,5-trisubstituted imidazoles at room temperature under ultrasound irra...

Journal: :Journal of Materials Science: Materials in Electronics 2023

The co-precipitation technique was used to successfully produce nanometer cobalt ferrite (CoF). Utilizing the solvent-antisolvent approach, reduction in size of sensitive HEM 3-nitro-2,4-dihydro-3H-1,2,4-triazol-5-one (NTO) effectively achieved. Using simultaneous thermal analysis, effect 5% by mass CoF on thermolysis NTO and nanosize (r-NTO) investigated. kinetic parameter r-NTO presence addit...

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