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Highly efficient and simple process to fabricate ZnO nanowire-based gas sensing devices was developed. ZnO nanowires (NWs) were locally synthesized by hydrothermal method using localized thermal energy, which is generated by microheater arrays integrated in the device. To enhance the sensitivity to hydrogen (H2) gas of ZnO NW-based sensor, the surface of ZnO NWs was modified with Platinum (Pt) nanoparticles...
In this paper, the high power LED system dissipation equipment is analyzed, in this LED system,consisting of nine chips and each chip is 3W. The novel dissipation equipment is design and analyzed, which is composed of vapor chamber, heat pipe array and fins. Vapor chamber as the thermal diffusion layer, it is effectively reduces the spreading resistance from LED chips to heat pipe. The other two models...
We propose a new method to study high temperature tissue ablation using an expanded bioheat diffusion equation. An extra term added to the bioheat equation is combined with the specific heat into an effective (temperature dependent) specific heat. It replaces the normal specific heat term in the modified bioheat equation, which can then be used at temperatures where water evaporation is expected to...
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