Results 211 to 220 of about 9,790 (267)
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Measurement of Oxide Adherence to PFM Alloys
Journal of Dental Research, 1984A method has been reported for evaluating adherence of an oxide to its substrate metal to a maximum value of about 40 MPa. Oxidized alloy plates were cemented between two aluminum cylinders with a high-strength cyanoacrylate cement and loaded in tension until failure occurred either at the oxide/metal interface, within the oxide layer, or in the cement
J R, Mackert +3 more
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2002
Cleaning of air and gas from suspended solid and liquid particles is of paramount importance in medicine, biochemistry, dectronics, the atomic power industry and many other fields. The most simple, reliable and economical way of cleaning gaseous media of highly dispersed aerosol is using filters with a fibrous FE.
L. S. Pinchuk +3 more
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Cleaning of air and gas from suspended solid and liquid particles is of paramount importance in medicine, biochemistry, dectronics, the atomic power industry and many other fields. The most simple, reliable and economical way of cleaning gaseous media of highly dispersed aerosol is using filters with a fibrous FE.
L. S. Pinchuk +3 more
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Oxidation of a gold‐palladium PFM alloy
Journal of Oral Rehabilitation, 1988SummaryIn this study, the influence of oxygen pressure, as well as oxidation time and temperature, on the oxide formation of a gold‐palladium‐indium‐gallium alloy was investigated. After oxidation (vacuum/air, 1–10 min, 940–1020°C) the oxides were removed selectively by means of leaching in 37% hydrochloric acid. Concentrations of the metallic parts of
M M, Vrijhoef, J M, Van der Zel
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Adsorptive and Microbicidal PFM
2002Adsorptive PFM are designed for combined deep filtration of industrial sewage where fine suspensions of solid particles, emulsified petroleum products, dissolved heavy metal salts, organic toxicants, and detergents are present simultaneously in significant variations in pH and waste composition.
L. S. Pinchuk +3 more
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2002
The V.A. Belyi Metal-Polymer Research Institute of NASB (MPRI) has elaborated a new class of filtering materials — magnetic PFM [1-8]. The technological base for manufacturing such materials is the melt blowing technique involving the following procedures: extrusion of a polymer melt filled by ferrite (barium or strontium) powder, fiber extension by ...
L. S. Pinchuk +3 more
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The V.A. Belyi Metal-Polymer Research Institute of NASB (MPRI) has elaborated a new class of filtering materials — magnetic PFM [1-8]. The technological base for manufacturing such materials is the melt blowing technique involving the following procedures: extrusion of a polymer melt filled by ferrite (barium or strontium) powder, fiber extension by ...
L. S. Pinchuk +3 more
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The Future of EMIS: a PFM perspective
2022An output of the EdTech Hub, https://edtechhub ...
Simon Cresswell +2 more
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PFM as Carriers of Microorganisms
2002A present trend in industrial technologies is the growing role of catalytic biotechnological systems, in particular, systems for biologically cleaning air and water by employing of biologically active polymer materials (BAPM). The functional mechanisms of these materials (where a high molecular weight matrix is the carrier of live cells of ...
L. S. Pinchuk +3 more
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IEEE Transactions on Automatic Control, 1984
Pulse frequency modulated (PFM) control, thus far primarily used in step motors and attitude control systems of space vehicles, is gaining more and more significance as a natural, failsake link between the ''intelligent'' and the ''dynamic'' part of general process computer control systems.
Frank, P. M., Wiechmann, H.
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Pulse frequency modulated (PFM) control, thus far primarily used in step motors and attitude control systems of space vehicles, is gaining more and more significance as a natural, failsake link between the ''intelligent'' and the ''dynamic'' part of general process computer control systems.
Frank, P. M., Wiechmann, H.
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Noise Performance and SNR Threshold in PFM
IEEE Transactions on Communications, 1985Pulse frequency modulation (PFM) has been considered by several authors for transmitting wide-band signals. However, the noise performance of PFM has been analyzed only above the SNR threshold. In this correspondence the results on the noise performance of PFM available in the literature are summarized, and a more general expression describing noise ...
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KPFM and PFM of Biological Systems
2011Surface potentials and electrostatic interactions in biological systems are key elements of cellular regulation and interaction. Examples include cardiac and muscular activity, voltage-gated ion channels, protein folding and assembly, and electroactive cells and electrotransduction.
B. J. Rodriguez, S. V. Kalinin
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