نتایج جستجو برای: microwave combustion
تعداد نتایج: 81146 فیلتر نتایج به سال:
The study of pulsed laser- and microwave-induced plasma interactions with atmospheric and higher pressure combusting gases requires rapid diagnostic methods that are capable of determining the mechanisms by which these interactions are taking place. New rapid diagnostics are presented here extending the capabilities of Rayleigh and Thomson scattering and resonance-enhanced multi-photon ionizati...
This paper describes Microwave Activated Combustion Synthesis (MACS) of intermetallics of technical importance in the Co-Si binary system. These materials have important electronic applications as thin films. Bulk CoSi2 is required for use as a target for the production of thin films in sputtering processes. Sputtering targets are generally processed either by a powder route, casting or mechani...
Iodine determination in food samples was performed by inductively coupled plasma mass spectrometry (ICP-MS) after digestion by microwave-induced combustion (MIC). Sample masses up to 500 mg of bovine liver, corn starch, milk powder, or wheat flour were completely combusted using the MIC system. Ammonium nitrate (6 mol l(-1) solution, 50 μl) was used as an aid for ignition and vessels were charg...
Calcium phosphate [single-phase hydroxyapatite (HA), single-phase tricalcium phosphate (TCP), and biphasic HA-TCP] nanowhiskers and/or powders were produced by using a novel microwave-assisted “combustion synthesis (auto ignition)/molten salt synthesis” hybrid route. This work is an example of our “synergistic processing” philosophy combining these three technologies while taking advantage of t...
Calcium phosphate (single-phase HA, single-phase TCP, and biphasic HA-TCP) nanowhiskers were synthesized using a novel microwave-assisted “combustion synthesis (auto ignition) /molten salt synthesis” hybrid route. This work is an example of our “Synergistic Processing” philosophy combining the aforementioned three technologies while utilizing their useful aspects. An important part of this work...
This paper presents experimental characterization of plasmoids (fireballs) obtained by directing localized microwave power (<1 kW at 2.45 GHz) onto a silicon-based substrate in a microwave cavity. The plasmoid emerges up from the hotspot created in the solid substrate into the air within the microwave cavity. The experimental diagnostics employed for the fireball characterization in this study ...
Multiple-phase nanocomposites filled with carbon nanotubes (CNTs) have been developed for their significant potential in microwave attenuation. The introduction of other phases onto the CNTs to achieve CNT-based heterostructures has been proposed to obtain absorbing materials with enhanced microwave absorption properties and broadband frequency due to their different loss mechanisms. The existe...
در این پژوهش پودرtib2-tic نانوکریستالی از راه روش جدیدی با عنوان سنتز احتراقی ماکروویو یا همان macs (microwave-assisted combustion synthesis) تولید شد. ابتدا مخلوط پودری 3ti + b4c به کمک آسیاب سیارهای تا 9 ساعت آسیاب شد. از پودرهای آسیاب شده جهت انجام واکنشmacs قرصهایی با قطر mm10 تهیه و از یک دستگاه ماکروویو خانگی با توانw1100 جهت سنتز استفاده شد. نتایج ناشی از آنالیزهای xrd و sem نشان داد ...
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