نتایج جستجو برای: autocombustion
تعداد نتایج: 47 فیلتر نتایج به سال:
Abstract Ammonium nitrate (NH4NO3) represents a cheap, chlorine-free alternative to ammonium perchlorate for use as an oxidant solid propellants. But its poor ignitability and low burning rate are all disadvantages achieve such purposes. For this reason, it is necessary carry out studies improve combustion characteristics, seeking combine with catalysts or fuels. The present work explores the p...
Mg0.8Zn0.2ErxFe2-xO4 (x = 0.00, 0.005, 0.01, 0.015, 0.02, and 0.025) nanoparticles made using the citrate gel autocombustion process were examined for their structure, morphology, behavior. The single-phase cubic spinel structure was formed according to diffraction pattern. Observations revealed that as Er focus went from 0.0 0.025, average crystallite size (D) increased 12.4 18.6 nm. findings ...
Nanophosphors have been extensively investigated during the last decade due to their application potential for various high-performance and novel displays and devices. Synthesis of nanophosphors is generally done by chemical methods. Under chemical methods, different routes such as colloidal, capping, cluster formation, sol-gel, electrochemical etc., are being followed. Physical methods widely ...
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