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Showing 1 to 20 of 217 for “"mica"”.
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MICA: Fluid Flow Over Varying Geometries
The MICA program attempts to make hands on experiments involving measurement, instrumentation, controls, and analysis broadly available in the form of affordable and portable set-ups. A portable water flow visualization chamber was designed and prototyped for use in fluids courses to enable hands …
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MICA optical : a low-cost, educational Michelson interferometer
… and Coursera, are transforming education. The MICA (Measurement, Instrumentation, Control, and Analysis) Project, developed by MIT's BioInstrumentation Lab, is a similar initiative that aims to provide students with affordable, modular, and practical experimental tools. This thesis outlines the …
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Effects of Mica On Soil Properties For Embankment Construction
… Piedmont residual soil formation, unweathered mica is present in the soil. Current practice calls for Loss on Ignition testing when needed, but the studies looking at the effects of mica content on the other soil properties has been centered mostly in Georgia.</p> <p> Borrow pits were sampled …
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The oligomerization of propene over nickel synthetic mica-montmorillonite
… of propene to liquid fuels using synthetic mica montmorillonite (SMM) as well as the effect of incorporating nickel into the lattice and nickel, cobalt and zinc into the interlayer spaces was investigated. NiSMM is more active for propene oligomerization than SMM, although the product …
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MICA workspace : a symbolic computational environment for signal analysis
… Instrumentation, Control, and Actuation (MICA), is a system under development at the MIT BioInstrumentation Lab. The MICA system consists of low-cost hardware and software. The hardware is a set of small, instrumentation-grade sensors and actuators which communicate wirelessly with a …
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Hvernig hefur innleiðing MiCA-löggjafar áhrif á vernd íslenskra fjárfesta?
… ritgerðar er að greina hvernig innleiðing MiCA-reglugerðarinnar (e. Markets in Crypto-Assets Regulation) hefur áhrif á vernd íslenskra fjárfesta sem stunda viðskipti með sýndareignir. Sýndareignir hafa á síðustu árum hlotið vaxandi útbreiðslu, en þróun regluverks og eftirlits hefur ekki …
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The effect of mica on the aging of asphalt binder
… sieve and called fines). The fines often contain mica. Mica is a formation of silicate minerals having perfect basal cleavage. It can be peeled apart in very thin sheets and is usually found in deposits of granite, quartz and other rock that is commonly used for aggregate. Mica has been shown to …
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Mica stabilization with lime, portland cement and lime-calcium carbonate
… study the unconfined compressive strength of a mica soil stabilized with various percentages of lime, Portland cement, and combinations of calcium hydroxide and calcium carbonate. In order to trace the calcium carbonate and calcium hydroxide in the stabilized soil, x-ray diffraction analyses, …
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Mechanistic tracer studies of a synthetic mica-montmorillonite: n-butene isomerizations
… the catalytic characteristics of a synthetic mica-montmorillonite clay. The double bond isomerizations (including both double bond migration and rotation, but excluding structural rearrangements of the carbons) of the n-butenes were employed as the probe reactions. Product analyses were …
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The influence of particle size on the chemistry of mica clays
… morphology, and charge characteristics of 2:1 micas, mechanically produced clay separates were analyzed by; electron probe microanalysis (EPMA), transmission electron microscopy (TEM), thermogravimetry, specific surface area analysis, and ion exchange. Books of biotite and muscovite were …
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Modular system diagrams for robotics and their use in the MICA Project
… to creating sensors and generator modules in the MICA Project. The MICA (Measurement, Instrumentation, Control, and Analysis) Project is an ongoing research effort in MIT's BioInstrumentation Laboratory that aims to bring powerful, simple-to-use, wireless sensors and generators into the world of …
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A iron-57 Moessbauer study on the thermal oxidation of iron in biotite mica.
… oxyannite reaction: $\rm (Fe\sp{2+} + OH\sp-)\sb{mica} \to (Fe\sp{3+} + O\sp{2-})\sb{mica} + H$ and was therefore conveniently followed by $\sp{57}$Fe Mossbauer spectroscopy, which resolves the 2+ and 3+ valence states of iron. The main features of the annealing time and temperature dependencies …
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Synthesis, characterisation and olefin oligomerization over nickel, cobalt and zinc substituted synthetic mica montmorillonite
… closer together. This was indicative of a more micalike structure.
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Molecular Structure and Thermodynamics of CO<sub>2</sub> and Water Adsorption on Mica
… of 100 bar, pure CO2 adsorbs strongly on mica and forms extensive layers next to it. CO2 adsorption is lowered substantially if introducing water vapor above mica and is largely eliminated when the relative humidity (RH) approaches about 60%. When pure water vapor is introduced above a …
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White mica: spectrometer design, district-scale mapping, and integration of imaging spectrometer and lidar data
… fields, providing information regarding the chemical composition of materials measured. This information has allowed researchers to measure subtle differences in materials using ground-based, airborne, and orbital sensors. Combining imaging spectroscopy data with 3-D point cloud data produces a …
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A Study of Molecular Orientation at Neat Liquid-Mica Interface by Sum Frequency Generation (SFG) Spectroscopy
… spectra at such interfaces. Muscovite mica is an important substrate to investigate the ionic liquids structure at the interface. This is largely because it is atomically smooth and flat. A series of studies of ionic liquids at mica interface through surface force apparatus (SFA) and …
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Surface forces apparatus (SFA) studies on n-octadecyltriethoxysilane self-assembled monolayers on untreated and plasma-treated mica
… untreated and argon/water vapor plasma-treated mica. The properties and stability of these monolayers have been qualitatively and quantitatively investigated with a surface forces apparatus (SFA) under various environmental conditions The interaction force between the OTE monolayers immersed in …
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