نتایج جستجو برای: nanocarbon materials
تعداد نتایج: 436585 فیلتر نتایج به سال:
Reported here are experimental results of studies designed to identify the operable mechanisms responsible for the gains in thermal conductivity of nanofluids based on nanocarbons. Comparison of functionalized versus nonfunctionalized nanocarbons addresses the effect of interfacial fluid ordering. Comparison between graphitized and nongraphitized carbon black addresses the effect of long-range ...
In this study, an oxygen-acetylene flame synthesis system was developed to fabricate nanocarbon-based nanofluids (NCBNFs) through a one-step synthesis method. Measured in liters per minute (LPM), the flame's fuel flows combined oxygen and acetylene at four ratios: 1.5/2.5 (P1), 1.0/2.5 (P2), 0.5/2.5 (P3), and 0/2.5 (P4). The flow rate of cooling water (base fluid) was fixed at 1.2 LPM to produc...
Heterometal clusters containing Ru and Au, Co and/or Pt are anchored onto carbon nanotubes and nanofibers functionalized with chelating phosphine groups. The cluster anchoring yield is related to the amount of phosphine groups available on the nanocarbon surface. The ligands of the anchored molecular species are then removed by gentle thermal treatment in order to form nanoparticles. In the cas...
In this article studied the influence of various factors on synthesis nano carbons from walnut shells, apricot kernels, methane, natural gas and propane-butane fractions, also checked textural sorption characteristics obtained nanocarbon. The catalytic activity a catalyst containing (CuO)x*(CoO)y*(NiO)z*(Fe2O3)k*(MoO3)m/HSZ prepared based "sol-gel" technology for implementation processes was un...
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