AN0895 oscillator circuits for RTD temperature sensors
Temperature sensors in SOI CMOS for high temperature applications
... PDSOI, unlike in FDSOI [23] where ZTC bias point is in the moderate inversion region The high overdrive voltage associated with ZTC bias for PDSOI as well as bulk CMOS results in reduced intrinsic ... effective in maintaining stable operating point and hence reliable circuit operation as proven in [23] It provides a bias point that is temperature independent However, it resu...
Ngày tải lên: 09/09/2015, 11:33
iec 60079-4 method of test for ignition temperature
... EXPLOSIVE GAS ATMOSPHERES Part 4: Method of test for ignition temperature Scope This method of test is intended for use in the determination of the ignition temperature of a chemically pure vapour ... flask of borosilicate glass A chemically clean flask shall be used for tests on each product and for the final series of tests Where the ignition temperatu...
Ngày tải lên: 25/12/2013, 10:36
Power converter control circuits for two mass vibratory conveying system with electromagnetic drive simulations and experimental results IEEE trans
... mathematical model for the VCS with electromagnetic drive and power converter control circuits for its optimal control ´ ´ DESPOTOVIC AND STOJILJKOVIC: POWER CONVERTER CONTROL CIRCUITS FOR TWO- MASS VCS ... VI EXPERIMENTAL RESULTS In this section, some experimental results are presented These results are recorded on the real experimental contr...
Ngày tải lên: 03/01/2014, 19:16
Báo cáo khoa học: Hyperthermophilic enzymes ) stability, activity and implementation strategies for high temperature applications pot
... 6.5 65 (a 2) 180 (a 4) 220 (a 4) 63 57 90 80 135 232 (a 4) 35 61 155 32 59 330 (a 8) 40 38 93 114 52 45 124 (a 6) 30 205 (a 4) 207 (a 4) 190 (a 4) 180 (a 4) 160 (a 6) 312 (a1 0) 133 (a 4) 36 98 (a 2) 52 83 77 ... thermodynamics (i.e for endothermic reactions) would result in increased yields when the reaction is performed at high temperatures; (e)...
Ngày tải lên: 07/03/2014, 05:20
The Future of the Internet: A Compendium of European Projects on ICT Research Supported by the EU 7th Framework Programme for RTD ppt
... Commission or any of its officials» A great deal of additional information on the European Union is available on the Internet It can be accessed through the Europa server (http://www.europa .eu) Cataloguing ... PAPER The Future of the Internet European Commission I nform ati on S oc i et y and M ed ia A Compendium of European Projects on ICT Resear...
Ngày tải lên: 15/03/2014, 21:20
electronic circuits for the evil genius docx
... for the Evil Genius 50 Green Projects for the Evil Genius 50 Model Rocket Projects for the Evil Genius 51 High-Tech Practical Jokes for the Evil Genius 46 Science Fair Projects for the Evil Genius ... Video Games for the Evil Genius Recycling Projects for the Evil Genius Solar Energy Projects for the Evil Genius Telephone Project...
Ngày tải lên: 16/03/2014, 09:20
hybrid metal oxide and multiwall carbon nanotube films for low temperature gas sensing
... surface of metal oxide grains and at the interface of metal oxide grains and MWCNTs, respectively is postulated as the mechanism that could explain the enhanced performance of hybrid metal oxide/ MWCNT ... NO2 Therefore, sensor responsiveness heavily depends on the amount of MWCNTs dispersed on the metal oxide matrix Sensors based on TiO2 and carbon nanotubes (samples...
Ngày tải lên: 19/03/2014, 16:48
la nanotubes sensor for room temperature detection of ammonia
... similar to the pore diameter of the template These LSCO nanotubes are put over two Pt/Ti electrodes The capacitive NH3 sensing properties of LSCO nanotubes were measured at room temperature by placing ... on a layer of silicon dioxide (SiO2 ) thermally grown on top of a silicon wafer The suspension of LSCO was strewn on the IDE fingers 63 Fig SEM image of LSCO nanotubes o...
Ngày tải lên: 20/03/2014, 13:04
new materials and structures for semiconductor gas sensors
... Objectives and Work Plan The aim of the present research consortium is to develop and utilize new materials and structures to fabricate semiconductor gas sensors showing enhanced stability and reduced ... Pt A new gas measurement system has been built at HUT, which includes gas sources for over ten different gases and a new scanning Kelvin probe to measure the...
Ngày tải lên: 20/03/2014, 13:05
new materials for micro - scale sensors and actuators an engineering review
... coefficients of these materials to develop MEMS systems, sensors and actuators which can take advantage of the inherent wide band gap (3.4 eV for GaN), chemical and radiation inertness and high temperature ... expandable micro- spheres and conductive polymers are introduced Materials properties, transducer mechanisms and end applications are described and the potential...
Ngày tải lên: 20/03/2014, 13:05
plasma - enhanced chemical vapor deposition carbon nanotubes for ethanol gas sensors
... and (f) 90 s ethanol molecules The conductance of the sensors adjusts itself when they are exposed to ethanol gas Experimental In this work, microwave plasma enhanced chemical vapor deposition ... Conclusions The MWCNT-based gas sensors made by MPECVD for detecting ethanol molecules have been studied at a ppm-level at room temperature The conductance of the sensors...
Ngày tải lên: 20/03/2014, 13:06
Carbon supports for low temperature fuel cell catalysts
... single fuel cell, have to be performed to confirm the good long-term performance of the CNTs as a support for fuel cell catalysts 3.3 Carbon nanohorns and nanocoils Carbon nanohorns and carbon ... Introduction Low- temperature fuel cells, with either hydrogen (phosphoric acid fuel cell, PAFC, and polymer electrolyte membrane fuel cell, PEMFC), methanol (direct metha...
Ngày tải lên: 23/04/2014, 22:32
carbon nanotube array thermal interfaces for high temperature silicon carbide devices
... Growth Temperature on Carbon Nanotube Array Thermal Interfaces, ASME Journal of Heat Transfer, in press 17 B.A Cola, X Xu and T.S Fisher, Increased Real Contact in Thermal Interfaces: A Carbon Nanotube/ Foil ... June 2011 HIGH- TEMPERATURE SILICON CARBIDE DEVICES 237 15 P.B Amama, B.A Cola, T.D Sands, X Xu and T.S Fisher, Dendrimer-Assisted Controlled Growth of Carb...
Ngày tải lên: 06/05/2014, 08:53