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Добірка наукової літератури з теми "Specific electrical conductivity"

Автор: Grafiati

Опубліковано: 30 травня 2022

Оновлено: 31 липня 2025

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Статті в журналах з теми "Specific electrical conductivity"

1

Garkushin, Ivan K., Olga V. Lavrenteva, and Yana A. Andreeva. "Relationship of the s1-elements halogenides melts specific electric conductivity with alkali metals specific electric conductivity." Butlerov Communications 60, no. 12 (2019): 116–24. http://dx.doi.org/10.37952/roi-jbc-01/19-60-12-116.

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The paper presents an analytical description of the relationship of the specific electrical conductivity æ of individual alkali metals haloganides melts (MHal) (M – Li, Na, K, Rb, Cs, Fr; Hal – F, Cl, Br, I) and the specific electrical conductivity æ(M) of alkali metal melts for temperatures (Тпл + n) (Tпл – melting temperature K; n = 5, 10, 50, 75, 100, 150, 200° higher melting temperatures of MHal and metals) and the specific electrical conductivity of alkali metals at standard temperature using M.Kh. Karapetyans comparative methods. The relationship of properties æ(MHal при Тпл+n) = f(æ(MHa

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2

Kachanovsky, F. V. "ELECTRICAL SPECIFIC CONDUCTIVITY OF THE PRECIPITATION IN TVER." Bulletin of the Tver State Technical University. Series «Building. Electrical engineering and chemical technology», no. 4 (2020): 89–97. http://dx.doi.org/10.46573/2658-7459-2020-4-89-97.

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Analysis had made of the precipitation′s electrical specific conductivity (atmospheric precipitation had fallen in Tver in 2016–2019 years). Time series models of the electrical specific conductivity and her evolution were examined. Cubic model has considered as adequate.

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3

Syasko, M. V., I. P. Soloviev, and P. V. Solomenchuk. "Technique for measuring the thickness of a non-conductive coatings on a non-magnetic electrically conductive base metals with automatic take account of the influence of the specific electrical conductivity of the base metal." Дефектоскопия, no. 7 (July 15, 2023): 58–60. http://dx.doi.org/10.31857/s0130308223070060.

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The results of measurements of the thickness of a non-conductive coating on an electrically conductive non-magnetic base metal using the existing amplitude technique of eddy current non-destructive testing are strongly influenced by the specific electrical conductivity of the base metal. To eliminate this problem, it is proposed to use an eddy current probe with amplitude-phase signal processing. Its graduation is carried out using several base metals with different specific electrical conductivity using a coating thickness simulator, the number of graduation points is comparable to the resolu

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4

Lavrenteva, Olga V., Ivan K. Garkushin, and Alina S. Nikitina. "Methods for calculating specific electrical conductivity of the LiF+NaF mixtures melt." Izvestiya of Saratov University. Chemistry. Biology. Ecology 24, no. 4 (2024): 380–91. https://doi.org/10.18500/1816-9775-2024-24-4-380-391.

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The calculation of the specific electrical conductivity of lithium and sodium fluorides mixtures melts is presented. The Iinterest in the LiF–NaF system melts is determined by their practical significance. Melts of LiF+NaF mixtures are used in heat-storing compositions and in metallurgy. They are part of various multicomponent systems. The specific electrical conductivity calculation by isoconcentration, isothermal and interpolation methods is given for LiF+NaF mixtures melts of various compositions using known reference data for the temperature range 1020...1340 K. A calculation has been perf

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5

Andreev, V. N., and V. A. Klimov. "Specific features of the electrical conductivity of V6O11." Physics of the Solid State 55, no. 9 (2013): 1829–34. http://dx.doi.org/10.1134/s1063783413090047.

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6

Kuniya, Keiichi, Hideo Arakawa, Tsuneyuki Kanai, and Akio Chiba. "Thermal Conductivity, Electrical Conductivity and Specific Heat of Copper-Carbon Fiber Composites." Transactions of the Japan Institute of Metals 28, no. 10 (1987): 819–26. http://dx.doi.org/10.2320/matertrans1960.28.819.

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7

Kuniya, Keiichi, Hideo Arakawa, Tsuneyuki Kanai, and Akio Chiba. "Thermal Conductivity, Electrical Conductivity and Specific Heat of Copper-Carbon Fiber Composite." Journal of the Japan Institute of Metals 49, no. 10 (1985): 906–12. http://dx.doi.org/10.2320/jinstmet1952.49.10_906.

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8

Štancl, Jaromír, Jan Skočilas, Aleš Landfeld, Rudolf Žitný, and Milan Houška. "ELECTRICAL AND THERMODYNAMIC PROPERTIES OF A COLLAGEN SOLUTION." Acta Polytechnica 57, no. 3 (2017): 229–34. http://dx.doi.org/10.14311/ap.2017.57.0229.

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This paper focuses on measurements of the electrical properties, the specific heat capacity and the thermal conductivity of a collagen solution (7.19% mass fraction of native bovine collagen in water). The results of our experiments show that specific electrical conductivity of collagen solution is strongly dependent on temperature. The transition region of collagen to gelatin has been observed from the measured temperature dependence of specific electrical conductivity, and has been confirmed by specific heat capacity measurements by a differential scanning calorimetry.

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9

Kurbonov, J. M., Sh J. Yusupov, M. Holiqova, and Y. N. Mahmadiyarova. "Determination of electric and dielectric conductivity of fruits and vegetables." E3S Web of Conferences 410 (2023): 02055. http://dx.doi.org/10.1051/e3sconf/202341002055.

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The article describes the research results to determine fruits and vegetables’ electrical and dielectric conductivity. The electrical conductivity is characterized, and the experimental method of its determination and the equipment used are given. Also, the topic’s relevance, keywords, methods of calculation in the experimental process, the electrical conductivity of crushed, cut varieties of fruits (apricots, apples, plums) and carrots, and the results of a study to determine the dielectric constant. MevaThe results of the dielectric properties of tula and cut varieties of different sizes (ap

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10

Smirnova, A. I., L. I. Mineev, I. A. Gerasimov, M. A. Golubeva, M. A. Shilov, and N. V. Usol'tseva. "Study of the electrophysical characteristics of plastic lubricants." Industrial laboratory. Diagnostics of materials 88, no. 10 (2022): 43–47. http://dx.doi.org/10.26896/1028-6861-2022-88-10-43-47.

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Actively developing electric automobile transport assumes the creation of conductive lubricants. We present a setup designed to study the electrophysical properties of industrially produced and model plastic lubricants, as well as the samples of a similar consistency. The setup operates within the current frequency range from 0.1 to 1 kHz and includes a temperature-controlled measuring cell that allows changes in the sample thickness and temperature in the range from 20 to 120 °C. A method for determination of current-voltage characteristics with subsequent calculation of the specific electr

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Дисертації з теми "Specific electrical conductivity"

1

Cimino, Joseph A. "Empirical mass balance calibration of analytical hydrograph separation techniques using electrical conductivity." [Tampa, Fla.] : University of South Florida, 2003. http://purl.fcla.edu/fcla/etd/SFE0000213.

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2

Tlili, Radhouan. "Études des transferts dans les matériaux hétérogènes." Thesis, Paris Est, 2010. http://www.theses.fr/2010PEST1092.

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L'usage des matériaux composites dans les différents domaines technologiques (microélectronique, aéronautique, transports…) ne cesse de croître. Une telle augmentation vient du fait qu'il est possible de développer de nouveaux matériaux avec des propriétés adaptées à une application bien préc ise en combinant les propriétés physiques des différents constituants. Dans le travail de thèse, nous nous intéressons à l'étude des propriétés thermophysiques, électriques et diélectriques de composites à base de matrice polymère chargée avec des fibres naturelles et/ou de particules minérales. L'objecti

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3

Shulga, Y. M., S. A. Baskakov, E. I. Knerelman, et al. "Carbon Nanomaterial Produced by Microwave Exfoliation of Graphite Oxide." Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35118.

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Carbon-based graphene-like material was obtained through microwave stimulated exfoliation of graph-ite oxide (GO). Properties of this material were investigated by multiple techniques including element analysis, X-ray photoelectron spectroscopy (XPS), mass-spectroscopy, infrared (IR) and Raman spectrosco-py, scanning electron microscopy (SEM) and broadband dielectric spectroscopy. Specific surface area and volume of microwave exfoliated graphite oxide (MEGO) reached 600 m2/g and 6 cm3/g, respectively. It is shown that during such explosive reduction process the sample emits CO2, CO and H2O and

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4

Cimino, Joseph A. (Joseph Anthony). "Empirical mass balance calibration of analytical hydrograph separation techniques using electrical conductivity [electronic resource] / by Joseph A. Cimino." University of South Florida, 2003. http://purl.fcla.edu/fcla/etd/SFE0000213.

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Title from PDF of title page.<br>Document formatted into pages; contains 75 pages.<br>Thesis (M.S.C.E.)--University of South Florida, 2003.<br>Includes bibliographical references.<br>Text (Electronic thesis) in PDF format.<br>ABSTRACT: Analytical baseflow separation techniques such as those used in the automated hydrograph separation program HYSEP rely on a single input parameter that defines the period of time after which surface runoff ceases and all streamflow is considered baseflow. In HYSEP, this input parameter is solely a function of drainage basin contributing area. This method cannot

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5

Шібан, Тамер. "Електромагнітний багатопараметровий перетворювач з просторово-періодичним полем для контролю циліндричних виробів". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2019. http://repository.kpi.kharkov.ua/handle/KhPI-Press/41998.

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У дисертаційній роботі представлені науково-технічні результати дослідження електромагнітного багатопараметрового перетворювача для визначення параметрів циліндричних металевих виробів, принцип роботи якого ґрунтується на виділенні амплітуди та фази просторових гармонік неоднорідного магнітного поля, представленого у вигляді ряду Фур'є. Об'єкт дослідження достатньо повно описаний в науковій літературі. Показано, що подальше збільшення інформаційних параметрів, які контролюються одним перетворювачем може здійснюватися декількома шляхами. Наприклад, використання для живлення перетворювача струмо

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6

Шібан, Тамер. "Електромагнітний багатопараметровий перетворювач з просторово-періодичним полем для контролю циліндричних виробів". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2019. http://repository.kpi.kharkov.ua/handle/KhPI-Press/41997.

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Дисертація на здобуття наукового ступеня кандидата технічних наук (доктора філософії) зі спеціальності 05.11.13 – прилади і методи контролю та визначення складу речовин. Національний технічний університет "Харківський політехнічний інститут", Харків, 2019. В роботі розроблена фізико-математична модель електромагнітного перетворювача з неоднорідним розподілом електромагнітного поля провідника зі струмом, розташованого уздовж бічної поверхні циліндричного виробу на деякій відстані d від центра металевого циліндра радіуса a. Отримано математичні вирази для визначення напруженості магнітного поля

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7

Brison, Jean-Pascal. "Phases normale et supraconductrice d'UBe13." Université Joseph Fourier (Grenoble ; 1971-2015), 1988. http://www.theses.fr/1988GRE10074.

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Etude de la phase normale ube::(13) par des mesures de resistivite electrique, conductivite thermique, magnetoresistance. En dessous de 10k, les interactions entre electrons de conduction et electrons f donnent lieu a un effet kondo. Analyse de la phase supraconductrice par des mesures de chaleur specifique. La comparaison avec les mesures de conductivite thermique permettent d'appuyer fortement l'hypothese d'une supraconductivite anisotrope. Analyse par un modele tres simple du second champ critique. Le modele etablit clairement le role du magnetisme dans la supraconductivite. La phase normal

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8

Коваль, Я. М. "Методологічні основи підвищення ефективності визначення газонасичення складнопобудованих порід-колекторів за результатами геофізичних досліджень свердловин". Thesis, Івано-Франківський національний технічний університет нафти і газу, 2012. http://elar.nung.edu.ua/handle/123456789/1872.

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У дисертаційній роботі вирішуються актуальні питання підвищення достовірності визначення коефіцієнта газонасичення порід-колекторів складної будови за результатами геофізичних досліджень свердловин. На основі аналізу досліджень, проведених у дисертаційній роботі, встановлено основні чинники, які призводять до недостовірного визначення питомого електричного опору пластів-колекторів, а в подальшому і до похибки у визначенні коефіцієнта газонасичення. З метою підвищення достовірності визначення коефіцієнта газонасичення складнопобудовних порід-колекторів створено модель електропровідності м

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9

Lipp, Dieter. "Thermische Tieftemperatureigenschaften von Seltenerd-Übergangsmetall-Borkarbiden." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2002. http://nbn-resolving.de/urn:nbn:de:swb:14-1021367425218-47062.

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The present work reports on thermal low-temperature properties of rare earth transition metal borocarbides such as specific heat, thermal conductivity and thermopower. The influence of structural disorder, caused by stoichiometric variations and substitutions of the rare earth element or the transition metal, on the thermal and superconducting low-temperature properties is investigated. The structural disorder results in the reduction of the superconducting transition temperature Tc, of the Sommerfeld value gamma, of the upper critical magnetic field Hc2(0), of the negative curvature of the H-

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10

Barj, Mohamed. "Etude de la structure statique et dynamique de quelques matériaux à mobilité ionique par spectroscopie de vibration et par diffusion de neutrons." Paris 13, 1987. http://www.theses.fr/1987PA132024.

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Etude des composés de la famille nasicon et de composés d'insertion type MPS(3), caracterisés par ir et raman. Les barrières de potentiel locales ont été calculées à partir des modes de phonons des ions conducteurs. Les amplitudes quadratiques spéctroscopiques ont été calculées dans les composés MPS(3) purs. Dans le cas des composés nasicon, on a relié la conductivité élèctrique et le désordre statique. Présentation de résultats de chaleur massique et de calculs d'énergie réticulaire à partir de potentiels atome-atomes. Mise en evidence d'une importante diffusion magnétique des ions Cr(3+) dan

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Книги з теми "Specific electrical conductivity"

1

Miller, Ronald L. Specific conductance: Theoretical considerations and application to analytical quality control. Dept. of the Interior, 1988.

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2

Miller, Ronald L. Specific conductance: Theoretical considerations and application to analytical quality control. U.S. G.P.O., 1988.

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3

Thermal conductivity, electrical conductivity, and specific heat of copper-carbon fiber composite. National Aeronautics and Space Administration, 1988.

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4

Morawetz, Klaus. Relaxation-Time Approximation. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198797241.003.0018.

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A conserving relaxation time approximation is presented resulting into a Mermin-type of polarisation functions. The transport properties are calculated for the relaxation time approximation and an arbitrary band structure. The results for metals and gases are discussed and the shortcoming of relaxation time approximation to describe experimental values is outlined. As improvement, the exact solution of the linearised quantum Boltzmann equation is presented leading to momentum-depended relaxation times specific for each observable. Explicit expressions are given for the electric and thermal con

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5

Holiday Detection of Internal Tubular Coatings of 250 to 760 μm (10 to 30 mils) Dry Film Thickness. AMPP, 1994. https://doi.org/10.5006/nace_tm0186-1994.

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Scope This NACE standard test method was prepared as a guide for evaluating the application of polymeric coatings of 250 to 760 (10 to 30 mils) to the internal surfaces of metallic tubular goods used in the oil and gas industry. It is not intended as a means of predicting the service life or service performance of these coatings. This test method is based on the current technology and experience of the petroleum production industry. NACE Standard TM0384 addresses holiday detection of internal tubular coatings of less than 250 (10 mils) dry film thickness. This NACE standard was originally prep

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Частини книг з теми "Specific electrical conductivity"

1

Fernandes, Sofia R., Mariana Pereira, Sherif M. Elbasiouny, Yasin Y. Dhaher, Mamede de Carvalho, and Pedro C. Miranda. "Interplay Between Electrical Conductivity of Tissues and Position of Electrodes in Transcutaneous Spinal Direct Current Stimulation (tsDCS)." In Brain and Human Body Modelling 2021. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-15451-5_7.

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AbstractTranscutaneous Spinal Direct Current Stimulation (tsDCS) is a neuromodulatory technique that applies low intensity (2–4 mA) direct currents to the spinal cord through electrodes placed above or near the vertebral column. As in transcranial electric stimulation, tsDCS induces an electric field in the spinal cord that can transiently change the transmembrane potential of spinal neurons or influence synaptic communication. Anatomical features near the electrodes or in the current path can originate local variations of the electric field magnitude and orientation that result in different e

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2

Payandeh, Seyedhosein, and Jens Ewald. "Developing Sulfide Based Solid State Battery with High Energy Density for Automotive Applications." In Lecture Notes in Mobility. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-89444-2_85.

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Abstract The overall aim of the SUBLIME (Solid state sUlfide Based LI-MEtal batteries for EV applications) project is to respond to the further battery development challenges for Electric Vehicles and produce next-generation solid-state batteries (SSB) with extreme high energy density of up to 450 Wh/kg as compared to 250–280 Wh/kg for conventional cells to double the driving range of electrical vehicles. The SUBLIME cell consists of a sulfide solid electrolyte (SE), Li metal anode and high nickel content cathode (NMC based). Up to now, we have overcome several challenges of this technology. T

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3

Newnham, Robert E. "Electrical resistivity." In Properties of Materials. Oxford University Press, 2004. http://dx.doi.org/10.1093/oso/9780198520757.003.0019.

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The next six chapters describe the transport phenomena associated with the flow of charge, heat, and matter. In each case there is a vector flux that is governed by a vector field. Linear relationships between flux and field include electrical resistivity (Chapter 17), thermal conductivity (Chapter 18), diffusion (Chapter 19), and thermoelectricity (Chapter 21). All are represented by second rank tensors similar to electric permittivity (Chapter 9), but the underlying physics is somewhat different. Transport properties are nonequilibrium phenomena governed by statistical mechanics and the conc

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4

"Physical Properties." In Steel Castings Handbook, 6th ed. ASM International, 1995. http://dx.doi.org/10.31399/asm.tb.sch6.t68200404.

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Abstract This chapter describes the physical properties of steels used for castings. The properties covered include density, modulus of elasticity, Poisson's ratio, shear modulus, thermal expansion, thermal conductivity, specific heat, thermal diffusivity, electrical resistivity, and magnetic properties.

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5

Aneli Jimsher N., Bakradze Nana V., Dumbadze Teimuraz N., and Batako Andre D.L. "Structural Transformations of Polymers Using Laser Irradiation." In Advances in Transdisciplinary Engineering. IOS Press, 2016. https://doi.org/10.3233/978-1-61499-668-2-31.

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Polymers have wide range of applications in all human activities. Recent policies on environment and resource efficient mean that new efficient production and engineering processes need developing. This paper presents a new approach of laser irradiation of polymer aiming at inducing specific conductivity properties. Under the influence of a CO2 laser irradiation of polymers in the air, new macromolecular chemical and physical structures were engendered, which have electrical conductivity and paramagnetic properties. The conductivity of these substances are due to formation of carbon chains wit

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6

"Definition of Nanofluids." In FlexPDE and Finite Element Method Applications in Thermal Energy Storage and Cavities. IGI Global, 2023. http://dx.doi.org/10.4018/979-8-3693-0932-2.ch003.

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Many researchers are interested in nanofluids as an alternative to traditional fluids for increasing heat transmission. Nanofluids are made by dispersing nanoparticles with diameters of around 100 nm in a base fluid. Hybrid and ternary hybrid nanofluids are a novel type of nanofluid that improves the qualities of traditional nanofluids. In this chapter, comprehensive formulas on thermophysical properties (density, viscosity, specific heat capacity, thermal expansion coefficient, thermal conductivity, shape factor, and electrical conductivity) of nanofluids, hybrid nanofluids, and ternary hybri

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7

Kumar Ameta, Rakesh. "Carbon-Based Nanomaterials for Sensing Applications." In Recent Advances in Biosensor Technology. BENTHAM SCIENCE PUBLISHERS, 2023. http://dx.doi.org/10.2174/9789815123739123010005.

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: Recently, carbon-based nanomaterials (CBNM) have been widely used for chemical and biosensing applications due to their outstanding physicochemical properties, such as mechanical, thermal, optical, electrical and structural diversity. Such materials include carbon nanotubes, graphene oxide, graphene quantum dots and fullerene. As a consequence of inimitable features, these give superior strength, electrical conductivity, and flexibility toward numerous chemical and biological objects, which is valuable for chemical sensing and biosensing purposes. However, the specific intrinsic property mak

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Nemov, Sergey, Mark Auslender, Rony Shneck, and Zinovi Dashevsky. "High-Perfection Bulk and Film Thermoelectrics Based on Indium-Doped Lead Telluride." In Advanced Thermoelectric Materials - Theory, Development, and Applications [Working Title]. IntechOpen, 2025. https://doi.org/10.5772/intechopen.1010931.

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Energy harvesting has been proposed as a promising method of supplying electric power to autonomous sensor network devices and mobile electrical instruments due to the possibility of obtaining electric power from unused environmental energy, such as heat, light, and vibrations. It was found that micro-generators for energy harvesting are more useful than standard electrical batteries. Lead telluride alloys are the first materials investigated and commercialized from micro- to macro-generators with electrical power up to a few hundred watts. However, their full potential for thermoelectrics has

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Lee Jong-Sub, Santamarina J. Carlos, Li Zhihua, and Kutter Bruce L. "Geophysical process monitoring in scaled models." In Proceedings of the 16th International Conference on Soil Mechanics and Geotechnical Engineering. IOS Press, 2005. https://doi.org/10.3233/978-1-61499-656-9-711.

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Soil characterization and process monitoring in small-scale tests such as 1g models, shake table and centrifuge models can be effectively conducted with complementary elastic and electromagnetic waves. Small changes in P-wave impedance permit developing P-wave reflection imaging. Its implementation using ultrasound in small-scale soil models is attained by optimizing the operating frequency and selecting the proper transducers. The technique permits detecting layers and inclusions in submerged soils with sub-millimeter resolution. S-wave velocity depends on the shear stiffness of the skeleton.

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Einziger, P. D., and M. Dolgin. "Image Theory for Electrical Impedance Tomography." In Biomedical Engineering and Information Systems. IGI Global, 2011. http://dx.doi.org/10.4018/978-1-61692-004-3.ch006.

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Image reconstruction by electrical impedance tomography is, generally, an ill-posed nonlinear inverse problem. Regularization methods are widely used to ensure a stable solution. Herein, we present a novel electrical impedance tomography algorithm for reconstruction of layered biological tissues with piecewise continuous plane-stratified profiles. The algorithm is based on the reconstruction scheme for piecewise constant conductivity profiles, which utilizes Legendre expansion in conjunction with improved Prony method. This reconstruction procedure, which calculates both the locations and the

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Тези доповідей конференцій з теми "Specific electrical conductivity"

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Kus, Slawomir, Sridhar Srinivasan, Violetta Kozik, Andrzej Bak, and Paulina Dybal. "On-line, Real Time Electrochemical Corrosion Monitoring in Low Conductivity Fluids – Sulfolane Aromatic Extraction – Part 2." In CORROSION 2019. NACE International, 2019. https://doi.org/10.5006/c2019-13153.

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Abstract On-line, real time corrosion monitoring in processes featuring low conductivity fluids akin to sulfolane aromatic extraction, have represented a challenge for traditional electrochemical techniques. Sulfolane specific conductance that is typically about 5μS/cm disables proper determination of corrosion current with standard Linear Polarization Resistance (LPR) technology. Other electrochemical techniques such as Electrochemical Impedance Spectroscopy (EIS) or Zero Resistance Ammetry (ZRA) that are capable to measure corrosion in low conductive fluids are useful mostly in laboratory pr

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Volodina, Natalia, Sofiya Maznykh, Denis Vinnik, Alex V. Trukhanov, and Artem L. Kozlovskiy. "Effect of Bi<sub>2</sub>O<sub>3</sub>, B<sub>2</sub>O<sub>3</sub> and V<sub>2</sub>O<sub>5</sub> Sintering Additives on Phase Composition, Microstructure and Electrical Resistivity of SrAlFe<sub>11</sub>O<sub>19</sub> Ceramics." In 2024 8th International Conference on Materials Engineering and Nano Sciences & 2024 8th International Conference on Material Engineering and Manufacturing. Trans Tech Publications Ltd, 2024. http://dx.doi.org/10.4028/p-arh4ov.

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Sintering aids play a crucial role in enhancing the properties of various ceramics, offering benefits such as increased density, lowered sintering temperatures, and changes in material electrical characteristics. This study focuses on investigating the impact of 3 wt.% additions of Bi2O3, B2O3, and V2O5 on the structural, morphological, and electrical properties of hexaferrite SrAlFe11O19 ceramics, known for their significance in microwave applications. Obtained by conventional solid-state synthesis, ceramic samples were subjected to X-ray diffraction (XRD) analysis, Raman spectroscopy, scanni

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Tator, Kenneth B. "Aluminum Corrosion & Corrosion Prevention in a Seacoast Atmospheric Environment." In Coatings+ 2019. SSPC, 2019. https://doi.org/10.5006/s2019-00053.

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Abstract Aluminum, after iron is the second -most widespread metal used on earth. Unpainted aluminum forms a protective aluminum oxide layer over the pure aluminum metal alloy and, in most atmospheric environments, is resistant to corrosion deterioration. However, pure aluminum is virtually always alloyed with other metallic elements to enhance its properties, primarily to increase its strength, but also to improve its formability, weldability, machineability, electrical conductivity, and corrosion resistance. There are many circumstances in which aluminum alloys are prone to corrosion and req

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Cloete, Eugene. "Electrochemically Activated Water as a Non Polluting Anti-Fouling Technology." In CORROSION 2002. NACE International, 2002. https://doi.org/10.5006/c2002-02463.

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Abstract Research has indicated the problem of microbial resistance to nonoxidising biocides. Very little information is further more available on the biodegradability of these compounds in natural water systems. This makes these compounds hazardous from an environmental point of view. Chlorine is the most widely used oxidizing biocide, with its own limitations. An environmentally sensible alternative to chlorine and other commonly used biocides is needed. Electrochemically activated water (ECA) solutions, may provide such an alternative. Water of varying mineralisation is passed through an el

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Vedder, Mark, Brian Burkitt, and Danielle Peak. "Technology from Outer Space to Earth: Silicones as Protective Coatings." In SSPC 2014 Greencoat. SSPC, 2014. https://doi.org/10.5006/s2014-00060.

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Abstract Compared to other polymeric materials, silicone offers greater performance in harsh environments. Inherently silicone possesses a large coefficient of thermal expansion (CTE), low modulus, and a low glass transition temperate (Tg). These attributes allow it to maintain elastomeric properties for continuous operation when exposed to extreme heat, cold, and/or UV radiation. Durability is the reason silicone materials are frequently employed as coatings and sealants. In electronic equipment, silicone coatings protect device functionality amidst temperature fluctuations during use. On the

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Pfeifer, Andrew R., and George Shaw. "Environmentally Friendly Fastener Finishes." In CORROSION 2002. NACE International, 2002. https://doi.org/10.5006/c2002-02163.

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Abstract “The Perfect Finish” is something that the industry has been seeking for years. It is an elusive concept for which millions of dollars have been spent in developing, testing and qualifying possible alternative finishes, but most of these efforts are futile. In order for engineers to be most effective, a realization must be made that each finish, from phosphate to cadmium, has strengths and weaknesses that must be weighed in considering each application. It is with these considerations that progress can be made toward using the materials that have the closest resemblance to the qualiti

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Butler, Joseph E. "Initial EMI Shielding Evaluation vs. Corrosion Concerns." In CORROSION 1989. NACE International, 1989. https://doi.org/10.5006/c1989-89050.

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Abstract One of the more significant aspects of galvanic corrosion in mechanical joints of military electronics equipment, other than mechanical integrity, is the resultant loss of electrical conductivity across the joint, and hence a loss of shielding effectiveness. This prevalent problem for EMI shielded electronics equipment which must operate in the marine environment is not effectively addressed during normal system qualification tests. Further, it is typically not properly addressed for fielded systems, even after maintenance, repair or refurbishment of equipment. Evaluations of shieldin

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Su, Paul, Rajni Madan, and Jens Alkemper. "Smoke Corrosivity Evaluation for Data Center Components." In CORROSION 2020. NACE International, 2020. https://doi.org/10.5006/c2020-14320.

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Abstract In fires, corrosive chemicals are generated along with the other combustion products, which are present as gases, liquids and solids.1 Corrosive chemicals (such as HCl, HBr, and HF) are commonly emitted as gases and liquids with inorganic atoms in the structure. Non-corrosive combustion gases and liquids are emitted as organic compounds and water, whereas solids are emitted as soot, inorganic metals, and dust. As a result, corrosion caused by smoke generated after a fire is due to the presence of acid gases (e.g., HCl, HBr, and HF) in smoke plus moisture/water in the environment.2,3 D

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Raykova, Violeta Ognianova, and Konstantin Venediktov Raykov. "Study of the change of ultrafiltration polymer membranes specific electrical conductivity." In 2024 9th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE). IEEE, 2024. http://dx.doi.org/10.1109/eeae60309.2024.10600557.

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MIRZAKHANINAFCHI, HASAN, INDRA MANI MISHRA, and ALI MIRZAKHANI NAFCHI. "Study on Soil Nitrogen and Electrical Conductivity Relationship for Site-Specific Nitrogen Application." In 2017 Spokane, Washington July 16 - July 19, 2017. American Society of Agricultural and Biological Engineers, 2017. http://dx.doi.org/10.13031/aim.201700892.

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Звіти організацій з теми "Specific electrical conductivity"

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Sirivat, Anuvat, and Ladawan Ruangchuay. Preparation and characterization of polypyrrole film for chemical vapor sensor applications. Chulalongkorn University, 2001. https://doi.org/10.58837/chula.res.2001.82.

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Polypyrrole (PPy) was chemically prepared via an in situ doped polymerization utilizing seven dopant anions (dopant to monomer molar ratio, D/M = 1/12) to stabilize the positive charges on N of pyrrole rings. These dopant anions were found to play important roles on physical, chemical, and electrical properties of PPy as revealed by several techniques, e.g. X-ray photoelectron spectrometer and the custom-made four-point probe conductivity meter. PPys doped with alpha-naphthalene sulfonate (PPy/A) and beta-naphthalene sulfonate (PPy/B) have good pellet appearance, solubility, thermal stability,

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Friedman, Shmuel, Jon Wraith, and Dani Or. Geometrical Considerations and Interfacial Processes Affecting Electromagnetic Measurement of Soil Water Content by TDR and Remote Sensing Methods. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7580679.bard.

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Time Domain Reflectometry (TDR) and other in-situ and remote sensing dielectric methods for determining the soil water content had become standard in both research and practice in the last two decades. Limitations of existing dielectric methods in some soils, and introduction of new agricultural measurement devices or approaches based on soil dielectric properties mandate improved understanding of the relationship between the measured effective permittivity (dielectric constant) and the soil water content. Mounting evidence indicates that consideration must be given not only to the volume frac

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