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Synthesis gas can be converted into a number of important energy carriers and fuels and it is playing a growing role in the energy sector. In this work oxy-steam reforming of methane was performed over a modified 5%Ni/SiO2 catalyst in a fixed bed reactor at atmospheric pressure with the aim of producing syngas with high yield. The modified catalyst was synthesised by oleylamine-assisted impregnation...
Traditionally, low-powered, room temperature sensing of gaseous hydrogen (H2) is difficult. With renewed interest in H2 as a source of energy, there is a need for reliable, energy-efficient sensors. A potential solution can be found in using surface acoustic wave (SAW) devices, which have been implemented as passive, wireless RFID tag-sensors. Thus, in concept, it is advantageous to develop a SAW...
Recently the portable electronic appliances have been remarkably minimized- (in weight and thickness), the assembled electric parts have also been gotten smaller and 3- dimensional and Flip-Chip bonding with solder bump haven been widely used. The 3-dimensional mounting has been put into an actual application stage. One of the important technologies for supporting these packaging is a bonding technology...
We present complex refractive index measurements of Pd and Pt films from 700-1700 nm using variable angle spectroscopic ellipsometry. Refractive index changes upon H2 gas adsorption were determined by measuring normal incidence reflection and transmission.
In this paper, we show the emission current fluctuation of graphite nanoneedle cold cathode (GRANN) as a function of cathode temperature in the presence of various gases such as H2, CO, and He molecules. Field emission current measurements were performed in an atmosphere of the above gas (10-5-10-8 torr) over a temperature range of 300 to 1800 K. A high sensitivity quadrupole mass spectrometer was...
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