Results 31 to 40 of about 2,054,129 (286)
Because of the slow reaction rate of the oxygen reduction reaction (ORR), high-performance catalysts are needed to accelerate the reaction. However, platinum (Pt)-based electrocatalysts have the shortcomings of high cost and poor stability.
Kai Niu +10 more
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Development of low cost thermal insulating materials [PDF]
Includes bibliographical references.The disadvantaged people in South Africa are unfortunate by virtue of their financial status. It was estimated in 1992 that 20 % of the South African population live in informal settlements.
Meletse, Thabo Frans
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The development of wearable and portable electronics calls for flexible piezoelectric materials to fabricate self-powered devices. However, a big challenge in piezoelectric material design is to boost the output performance while ensuring its flexibility
Siqi Wang +6 more
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The investigation of expanded polystyrene creep behaviour
The results obtained in long-term testing under constant compressive stress of the cut from the Slabs EPS 50/100 and EPS 150 with the density ranging from 15 to 24 kg/m3, which were manufactured by the same manufacturer by foaming EPS solid granules ...
Zhukov Aleksey +3 more
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Dielectric polymer nanocomposites are considered as one of the most promising candidates for high-power-density electrical energy storage applications.
Yingke Zhu +6 more
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Thermal-oxidative degradation behavior and process of vulcanized styrene-butadiene rubber
The thermal oxidative degradation behavior and process of vulcanized styrene-butadiene rubber (SBR) at high temperature was studied by the sol-gel analysis, equilibrium swelling method, Fourier transform infrared spectroscopy coupled with mass ...
ZHANG Zhen; MA Lan; FANG Jia-yi; WANG Shi-feng
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The effect of carbon and polypropylene fibers on thermal shock resistance of the refractory castable
This work investigates medium cement refractory castable with additives of carbon and polypropylene fibers. The peculiarities of microstructure changes in the fiber and castable matrix contact zone, channel formation, and changes of cold crushing ...
Valentin Antonovič +4 more
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Hydrogen energy as the next‐generation clean energy carrier has attracted the attention of both academic and industrial fields. A key limit in the current stage is the operation temperature of hydrogen fuel cells, which lies in the slow development of ...
Jingnan Song +13 more
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A study of heat transfer through clothing assemblies [PDF]
The work presented in this thesis is devoted to further understanding heat transfer through clothing under different circumstances, in order to provide guidelines for the design and construction of clothing with regard to thermal comfort.
Fan, Jintu, Fan, J
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N, F-Codoped Microporous Carbon Nanofibers as Efficient Metal-Free Electrocatalysts for ORR
Currently, the oxygen reduction reaction (ORR) mainly depends on precious metal platinum (Pt) catalysts. However, Pt-based catalysts have several shortcomings, such as high cost, scarcity, and poor long-term stability. Therefore, development of efficient
Tianle Gong +4 more
doaj +1 more source

