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Journal articles on the topic 'Specific electric conductivity'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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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

Nefedov, Vladimir G., Vadim V. Matveev, and Dmytriy G. Korolyanchuk. "INFLUENCE OF FREQUENCY OF ELECTRIC CURRENT ON ELECTRIC CONDUCTIVITY OF THIN FILMS OF ELECTROLYTES." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENIY KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 61, no. 2 (2018): 58. http://dx.doi.org/10.6060/tcct.20186102.5592.

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In the work the investigations of the effect of abnormally high electric conductivity of surface of the air-electrolyte interface during electrolytic decomposition of water were continued. Experiments were carried out both at alternating current via the bridge circuit and at direct current in the four-electrode cell. Previously, it was shown that in thin air-bordering electrolyte layers specific conductivity measured in the four-electrode cell during electrolysis of water exceeds the corresponding value measured with the bridge circuit for solutions of sodium hydroxide by 1.5 times, for soluti

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3

R., Sawant Sanket, Pramod Kumar Sharma, and Indra Mani. "Impact of Ohmic Heating on Electrical Conductivity and Specific Heat of Black Cumin Seed Slurry." Current Journal of Applied Science and Technology 42, no. 19 (2023): 43–48. http://dx.doi.org/10.9734/cjast/2023/v42i194147.

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Aim: This study examined the effects of ohmic heating on the electrical conductivity and specific heat on slurry of black cumin seeds. Both the properties are taken into consideration in heat and mass transfer operations. Materials and Methods: The slurry was heated from 26 ºC to 90 ºC in a batch-type laboratory-scale ohmic heater at different electric field strengths (650, 750 and 850 V/m) and end point temperatures (40, 50, 60, 70, 80 and 90 ºC), respectively. Results and Conclusion: It was statistically investigated that the electric field strengths and end point temperatures ha

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4

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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5

Abbasov, G. A., N. N. Khalilov, L. M. Talibzade, L. B. Gurbanzade, and E. T. Ahmadova. "The study of physical-chemical characteristics of produced water and water of other origins." Azerbaijan Oil Industry, no. 11 (November 15, 2022): 10–14. http://dx.doi.org/10.37474/0365-8554/2022-11-10-14.

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The physical-chemical characteristics of water from various fields and those of different origins, the water samples prepared from the mixture of solvents with produced water, as well as the salts formed on the ionic composition of these samples and their amount are studied, the comparison of electric conductivity with the mineralization carried out as well. The studies justify that the data on the electric conductivity and specific electric resistance of water from various fields may be used in the interpretation of produced water. The specification of the probability of entering extraneous w

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6

Krizsky, Vladimir, Pavel Aleksandrov, Alexey Kovalskii, and Sergey Viktorov. "Mathematical Modelling of Electric and Magnetic Fields of Main Pipelines Cathodic Protection in Electrically Anisotropic Media." E3S Web of Conferences 225 (2021): 04002. http://dx.doi.org/10.1051/e3sconf/202122504002.

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A mathematical model is constructed and computational experiments are performed to study the effect of anisotropy of the specific electrical conductivity of the soil on the distribution of electric and magnetic fields generated by cathodic electrochemical corrosion protection stations of the underground main pipeline (MP). The variation of electric and magnetic fields depending on the azimuth angle of rotation of the specific electrical conductivity tensor of the soil containing the pipeline is analysed.

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7

Gaponov, A. V., O. V. Vorobiov, and A. M. Vasyliev. "Electrical Parameters of SnO2 Based Varistor Ceramics with CaO and BaO Additions." Фізика і хімія твердого тіла 17, no. 1 (2016): 81–87. http://dx.doi.org/10.15330/pcss.17.1.81-87.

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In the tested SnO2-Co3O4-Nb2O5-Cr2O3-CuO varistor ceramics the adding of CaO or BaO oxides leads to the decrease of the electric conductivity in the low electric field and correlated increase of the potential barrier height at the SnO2 grain boundaries (from 0.7 to 1.0 eV). The coordinated changes of electrical parameters with the increase of the burning temperature from 1520 to 1620 К (the increase of the linear shrinkage, a grain size, an electric conductivity, a nonlinear coefficient , a normalized nonlinear coefficient , a dielectric permittivity and the decrease of the qualifying electric

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8

Chusov, Alexandr N., Ekaterina A. Bondarenko, and Maria Ju Andrianova. "Study of Electric Conductivity of Urban Stream Water Polluted with Municipal Effluents." Applied Mechanics and Materials 641-642 (September 2014): 1172–75. http://dx.doi.org/10.4028/www.scientific.net/amm.641-642.1172.

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Specific electric conductivity of water samples in a polluted urban stream was compared with other water quality parameters such as concentration of inorganic carbon, total organic carbon, and total nitrogen. Increasing of water conductivity 1.3...10 times was observed downstream canalization outlets discharging drainage waters together with residential waste waters from inhabited district of city. In some periods water conductivity showed good correlation with pollutants concentration such as TN and IC (with correlation coefficients 0.54...0.96). The received data show that electric conductiv

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9

Zhang, Chenyu. "Conducting Polymers: Methods for Enhancing the Electric Conductivity." Highlights in Science, Engineering and Technology 125 (February 18, 2025): 185–90. https://doi.org/10.54097/b4nq7h75.

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Driven by the immeasurable prospect of the applications in the reality on the organic semiconductors, scientists had devoted a lot of effort into exploring the properties and their influence factors of these new materials that differ the conducting polymers from the conventional polymers. To maximize the electrical performance of the conducting polymers for practical usage, specific methods of altering both the physical and chemical properties by adjustments of material structures were sorted out. This paper will summarise three different types of changes that can be made to tune the propertie

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10

Kim, JunHo, and Ki-Bong Song. "Simulation Study on Heat Conduction of a Nanoscale Phase-Change Random Access Memory Cell." Journal of Nanoscience and Nanotechnology 6, no. 11 (2006): 3474–78. http://dx.doi.org/10.1166/jnn.2006.17963.

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We have investigated heat transfer characteristics of a nano-scale phase-change random access memory (PRAM) cell using finite element method (FEM) simulation. Our PRAM cell is based on ternary chalcogenide alloy, Ge2Sb2Te5 (GST), which is used as a recording layer. For contact area of 100 × 100 nm2, simulations of crystallization and amorphization processes were carried out. Physical quantities such as electric conductivity, thermal conductivity, and specific heat were treated as temperature-dependent parameters. Through many simulations, it is concluded that one can reduce set current by decr

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11

Gabriel's K. S., Kalinin Yu. E., Makagonov V. A., Pankov S. Yu., and Sitnikov A. V. "Electrical and optical properties of cobalt oxide thin films, prepared by ion-beam sputtering." Technical Physics 92, no. 6 (2022): 756. http://dx.doi.org/10.21883/tp.2022.06.54424.288-21.

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Optical and electrical properties of cobalt oxide thin films obtained by ion-beam sputtering in argon atmosphere and argon with the addition of oxygen (PAr=1.1·10-5 Torr) has been investigated in the work. Optical properties investigations showed that, for films of cobalt oxide obtained in argon atmosphere, the optical band gap is independent of the film thickness and is 3.24 eV, which is in the range of given in the literature for the CoO phase values. For cobalt oxide films obtained in mixed atmosphere of argon with the addition of oxygen, two direct optical transitions with energies of 1.45

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12

Garkushin, Ivan K., Olga V. Lavrenteva, Karina R. Gilmanova, and Yana A. Andreeva. "Analytical description of sodium halogenides melts specific electric conductivity and its calculation for sodium astatide melt." Butlerov Communications 60, no. 12 (2019): 125–32. http://dx.doi.org/10.37952/roi-jbc-01/19-60-12-125.

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The paper presents analytical and graphical dependences of the individual haloganides melts specific electrical conductivity æ of the sodium NaHal series (Hal – F, Cl, Br, I) on the halogen order number Z, ionic radius r of haloganide-ion Hal–, halogen ionic potential 1/r, reduced ionic radius r/Z, difference of electronegativity (∆χ = χ(Hal) – χ(Na)): æ = f(Z); æ = f(r); æ = f(1/r); æ = f(r/Z); æ = f(∆χ) for the temperature higher melting temperatures on 5, 10, 50, 75, 100, 150 и 200°. M.Kh. Karapetyans сomparative methods were applied for the description. The minimum standard deviation and m

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13

Zamuruieva, O. V., M. V. Khvyshchu, O. V. Parasyuk, and G. L. Myronchuk. "Electric and photoelectric properties of solid solutions Ag2In2Si(Ge)Se6." Фізика і хімія твердого тіла 17, no. 2 (2016): 202–6. http://dx.doi.org/10.15330/pcss.17.2.202-206.

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Temperature depen-dences of specific dark conductivity and spectral distributions ofphotoconductivity have been studied. It has been established thatthe Ag2In2SiSe6and Ag2In2GeSe6single crystals are high-resistancesemiconductors withp-type conductivity. The interpretation of experimental results conducted under the Mott model for disordered systems. Thus, from the experimental results follows that the solid solution AgInSe2 - Si(Ge)Se2 when the temperature drops from 300 to 200 K, the conductivity in the area carried thermo excited permitted carriers impurity activation energy of ~ 0.59eV and

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14

Plugin, Andrii A., Oleksii Pluhin, Olga Borziak, and Olena Kaliuzhna. "The Influence of Storage Conditions on the Electric Conductivity of Concrete." Materials Science Forum 968 (August 2019): 50–60. http://dx.doi.org/10.4028/www.scientific.net/msf.968.50.

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Theoretical and experimental investigations of the influence of concrete moisture, its age, holding conditions after its thermal moisture treatment and other factors on the specific electric resistance of the concrete of a C32/40 grade used for reinforced concrete sleepers have been carried out. The obtained research data allowed us to specify holding modes and the duration of them and these enable the generation of objective information on the specific electric resistance of the concrete used for the sleepers during their operation.

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15

Ding, Yi, BeiYang Liu, MengLin Li, et al. "High performance copper-tungsten @graphene composites materials." Journal of Physics: Conference Series 2321, no. 1 (2022): 012010. http://dx.doi.org/10.1088/1742-6596/2321/1/012010.

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Abstract The contacts and fingers in the traditional high-voltage circuit breakers are all made of copper-tungsten alloy materials by powder metallurgy process at present. The conductivity and hardness of existing materials have reached the bottleneck, which can’t meet the requirements of working conditions. Graphene has good electrical conductivity, mechanical properties and high specific surface area. Doped into the traditional copper-tungsten alloy, graphene is expected to greatly improve the electrical conductivity and hardness of copper-tungsten electric contacts, which could make the all

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16

Robson, RE. "Approximate Formulas for Ion and Electron Transport Coefficients in Crossed Electric and Magnetic Fields." Australian Journal of Physics 47, no. 3 (1994): 279. http://dx.doi.org/10.1071/ph940279.

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Momentum-transfer theory is used to derive approximate expressions for transport properties of electrons and ions in a gas in crossed electric and magnetic fields. Included in the formal discussion are the generalised Einstein relations, negative differential conductivity, Tonks' theorem and the equivalent reduced electric field concept. Specific topics dealt with include the ratio D II / D1. for electrons, which 'flips over' as the magnetic field is increased, the enhancement of negative differential conductivity through increased BIN, and a discussion of anisotropic scattering.

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17

Dybov V.A., Kalinin Yu. E., Kamynin A. A., et al. "Electrical and optical properties of thin-film bismuth ferrite." Technical Physics 67, no. 12 (2022): 1702. http://dx.doi.org/10.21883/tp.2022.12.55208.182-22.

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The optical and electrical properties of bismuth ferrite thin films obtained by high-frequency magnetron sputtering in an atmosphere of argon and oxygen (80%+20%) has been studied. Investigations of the optical properties have shown that for polycrystalline bismuth ferrite films the optical band gap is ~2.3 eV, which is in the range of given in the literature values. The dependences of the specific electrical conductivity on the magnitude of the electric field has been studied for the synthesized films. It has been established that the electrical conductivity does not depend on the electric fi

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18

Kantor, Łukasz, Krzysztof Michalik, and Jadwiga Laska. "Engineering polymers with high mechanical and thermal resistance for electric motors." Science, Technology and Innovation 1, no. 1 (2017): 39–43. http://dx.doi.org/10.5604/01.3001.0010.7553.

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The aim of the research was to select and evaluate polymers that could be used as rotor insulation in electric motors based on Halbach array system. Which have specific material properties, such as high mechanical strength, high thermal resistance and, especially, high thermal conductivity, also at room and at elevated temperatures. Three high performance polymers were selected for the research: polyetheretherketone (PEEK), polyamideimide (PAI) and poly(p-phenylene sulphide) (PPS). Polymers were evaluated for mechanical strength, thermal conductivity, thermal diffusivity, specific heat capacit

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19

Trykoz, L. V., I. V. Bagiyanc, V. Yu Savchuk, O. M. Pustovoitova, S. M. Kamchatnaya, and O. S. Saiapin. "Investigation into Electrical Conductivity of the Multicomponent System of Trackbed." International Journal of Engineering Research in Africa 25 (August 2016): 52–57. http://dx.doi.org/10.4028/www.scientific.net/jera.25.52.

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The article deals with the measuring results of the specific conductance of multicomponent systems which consist of more than three materials of various characteristics. As it was shown the electrical conductivity of systems composed of soil, slag and water depends in a lesser degree on the amount of slag and in a greater degree on slag’s chemical composition. The value of specific conductance decreases when the amount of slag increases for basic slag, and increases for acid slag. For a system, which includes gravel particles coated with organic substances, the value of specific conductance co

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20

Garkushin, Ivan K., Olga V. Lavrenteva, Yana A. Andreeva, and Karina R. Gilmanova. "Analytical description of the specific electric conductivity of halogenides KHal melts and its calculation for the KAt melt." Butlerov Communications 58, no. 6 (2019): 138–45. http://dx.doi.org/10.37952/roi-jbc-01/19-58-6-138.

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In this paper, the analytical description of the specific conductivity of the potassium halogenides melts KHal (Hal – F, Cl, Br, I) is presented. The analitical description is provided on dependence of the specific conductivity on the halogen order number ӕ = f(Z), the ionic radius of halogen-ion ӕ = f(r), the ionic potential ӕ = f(1/r), the electronegativity difference ӕ = f(∆χ) ((∆χ = χ (Hal) – χ(K)). The interrelation of a reduced property with an order number ӕ/Z = f(Z) is considered. According to the obtained analytical dependencies, the calculation of the value of the potassium astatide

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21

Габриельс, К. С., Ю. Е. Калинин, В. А. Макагонов, С. Ю. Панков та А. В. Ситников. "Электрические и оптические свойства тонких пленок оксида кобальта, полученных методом ионно-лучевого распыления". Журнал технической физики 92, № 6 (2022): 892. http://dx.doi.org/10.21883/jtf.2022.06.52521.288-21.

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Optical and electrical properties of cobalt oxide thin films obtained by ion-beam sputtering in argon atmosphere and argon with the addition of oxygen (PAr = 1.1∙10-5 Torr) has been investigated in the work. Optical properties investigations showed that, for films of cobalt oxide obtained in argon atmosphere, the optical band gap is independent of the film thickness and is 3.24 eV, which is in the range of given in the literature for the CoO phase values. For cobalt oxide films obtained in mixed atmosphere of argon with the addition of oxygen, two direct optical transitions with energies of 1.

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22

PANG, XIAO-FENG, BO DENG, and BO TANG. "INFLUENCES OF MAGNETIC FIELD ON MACROSCOPIC PROPERTIES OF WATER." Modern Physics Letters B 26, no. 11 (2012): 1250069. http://dx.doi.org/10.1142/s0217984912500698.

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The influences of magnetic field on thermodynamic, mechanical and electromagnetic properties of water including the specific heat, surface tension force, soaking effect or angle of contact, refraction index and electric conductivity are studied. From these investigations we know that the magnetic fields reduce the specific heat of water, increase the soaking degree and hydrophobicity of water to materials, depress its surface tension force and increase refractive index and electric conductivity of water relative to those of pure water. We can predict that these changes are caused by the change

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23

Troncoso, Omar P., and Fernando G. Torres. "Bacterial Cellulose—Graphene Based Nanocomposites." International Journal of Molecular Sciences 21, no. 18 (2020): 6532. http://dx.doi.org/10.3390/ijms21186532.

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Bacterial cellulose (BC) and graphene are materials that have attracted the attention of researchers due to their outstanding properties. BC is a nanostructured 3D network of pure and highly crystalline cellulose nanofibres that can act as a host matrix for the incorporation of other nano-sized materials. Graphene features high mechanical properties, thermal and electric conductivity and specific surface area. In this paper we review the most recent studies regarding the development of novel BC-graphene nanocomposites that take advantage of the exceptional properties of BC and graphene. The mo

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24

Wang, Jinfeng, Huanglei Zhu, Yuyao Sun, and Jing Xie. "Anti-icing study for refrigerated container based on various heating wire forms." Thermal Science, no. 00 (2022): 215. http://dx.doi.org/10.2298/tsci221013215w.

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In this paper, the effect of different forms of electric heating wire forms on the anti-icing performance of the refrigerated container was studied based on numerical simulation. The heat transfer and the thermal conductivity of the refrigerated container door wall, and the uniformity of airflow distribution in the refrigerated container are analyzed. The heating wire form 2 has the best anti-icing performance and meets the anti-icing requirement When the thermal conductivity is from 0.005 W/(m?K) to 0.01 W/(m?K). The electric heating wires nearest to the inner wall surface is the optimal anti

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25

Смирнов, А. П., В.Г. Жекул, Э.И. Тафтай, О.В. Хвощан, and И.С. Швец. "Influence of fluid parameters on the amplitude of pressure wave generated by electric discharge." Elektronnaya Obrabotka Materialov 54 (February 15, 2018): 58–62. https://doi.org/10.5281/zenodo.1168366.

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An experimental study of the effect of hydrostatic pressure, temperature and specific electrical conductivity of a liquid on the amplitude of a pressure wave generated by an electric discharge in a liquid during electric discharge treatment of oil wells is performed. The obtained results showed that with increasing hydrostatic pressure, the amplitude of the generated pressure wave decreases. The use of a fluid with a conductivity of 0.53 S/m as a working medium (which is close to the value of the specific conductivity of the produced water) leads to a decrease (up to 67%) in the amplitude of t

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26

Asanov, R., U. Abdaliev та I. Tashpolotov. "Investigation of the dependence of the specific electrical conductivity of low-concentrated water-coal suspension (WСS) from the concentration of the sodium humate reagent and from the concentration of the solid phase of suspensions". Bulletin of Science and Practice, № 12 (14 грудня 2017): 257–62. https://doi.org/10.5281/zenodo.1115888.

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In this article is considered comprehensive research: 1) dependence of the specific electrical resistance of the WCS with an increase in the concentration of the sodium humate reagent–plasticizer at a constant solid phase of the WCS 2) dependence of specific electric resistance of WCS at an increase in her firm phase without sodium humate reagent. At first sodium humate reagent with mass fractions from 10% up to 50% of the mass of firm phase WCS is added to WCS with a concentration of firm phases of 10%, 30% and 50% and for each case, volt the ampere parameters are separately m

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27

Smirnov, A. P., and O. V. Khvoshchan. "Investigation of the Influence of Technological Operating Conditions of Electric Discharge Installations on the Pre-Breakdown Characteristics of an Electric Discharge." Elektronnaya Obrabotka Materialov 58, no. 5 (2022): 71–84. http://dx.doi.org/10.52577/eom.2022.58.5.71.

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This work deals with the influence of the parameters of the working fluid (hydrostatic pressure, temperature, electrical conductivity) and the geometry of the electrode system (the length of the interelectrode gap and the uninsulated part of the anode) on the pre-breakdown characteristics of an electric discharge in a liquid aqueous electrolyte (breakdown voltage and breakdown delay time) and the minimum charging voltage, which provides a stable high-voltage breakdown of the interelectrode gap. Studies have shown that an increase in the hydrostatic pressure leads to an increase in most of the

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28

Kozak, L., and O. Kozak. "Influence of a Hydrostatical High-Pressure on Plasticity of Solids." Фізика і хімія твердого тіла 16, no. 3 (2015): 586–92. http://dx.doi.org/10.15330/pcss.16.3.586-592.

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On the two-dimensional model of the crystal it was shown that the crystal lattice transform from stable to unstable under the influence of hydrostatical high pressure. As a result of such transformation is intensity the processes of plastic deformation.  It is known that all of solid bodies become plasticity and electric conductivity under the influence of a hydrostatical high-pressure. The reason of it is additional displacement of atoms of a crystal lattice. A high plasticity and electric conductivity of metals occurs due to additional displacement of atoms also. This displacement take

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29

Krizsky, Vladimir N., Pavel N. Aleksandrov, Alexey A. Kovalskii, and Sergey V. Viktorov. "Mathematical modeling of cathodic protection of electric fields for major pipelines in anisotropic terrains." SCIENCE & TECHNOLOGIES OIL AND OIL PRODUCTS PIPELINE TRANSPORTATION 10, no. 1 (2020): 52–63. http://dx.doi.org/10.28999/2541-9595-2020-10-1-52-63.

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The authors consider the problem of the computational investigation of cathodic protection electric fields measured for an underground pipeline taking into account the anisotropic nature of soil specific electrical conductivity. A computational experimental method was used to compare the figures for anisotropic soils against the current distribution for a homogeneous half-space; the influence of anisotropy factors and the azimuth conductivity tensor rotation angle for pipeline-enclosing soil on the electrical parameters of cathodic protection of the pipeline were investigated. It was demonstra

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30

Bang, Kyeungwon, and Sangwook Park. "Design and Characteristics of Underwater Stacked Capacitive Power Transfer Coupler and Analysis of Propagation in Water Medium." Applied Sciences 15, no. 4 (2025): 1901. https://doi.org/10.3390/app15041901.

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This study provides a theoretical analysis of how the electrical characteristics of the medium affect the propagation of electric fields. Every medium has specific electrical conductivity and permittivity values and can be evaluated as a good conductor or a good dielectric depending on the ratio of conduction current to displacement current. The strength of the electric field decreases significantly with the propagation distance due to the influence of high conductivity. In conclusion, even media with a high permittivity may be unsuitable for improving the performance of the capacitive power t

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31

Jang, Suhyeon, Woo Cheol Lee, Sang-Hoon Park, et al. "Facile Preparation of Petroleum Pitch-Based Activated Carbon with Open Macropore Walls for High Energy Density Supercapacitors." International Journal of Energy Research 2023 (December 2, 2023): 1–14. http://dx.doi.org/10.1155/2023/7375509.

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Electric double-layer capacitors have attracted considerable attention for energy storage because of their excellent power capability, high stability, and long cycle life. Activated carbon is the most widely employed electrode material for electric double-layer capacitors owing to its high specific surface area, hierarchical porous structure, and high electrical conductivity. However, to increase the energy density of the devices, new synthetic methods for enhancing their specific capacitances are required. We developed a facile preparation method for petroleum pitch-based activated carbon and

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32

Fallaque-Najar, Joel, González Sandra Rodríguez, Cristina Díaz, and Fernando Martín. "Tailoring single-molecule conductance with structured graphene electrodes." Tailoring single-molecule conductance with structured graphene electrodes 646 (January 1, 2024): 158943. https://doi.org/10.1016/j.apsusc.2023.158943.

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Modulation of electric currents through single-molecule junctions is usually achieved by synthesis of molecules with desired functionalities, in conjunction with suitable molecule–electrode contacts through specific anchoring groups. An alternative to this approach, barely explored so far, is to use structured electrodes, where conductivity could eventually be controlled by changing the specific anchoring site within the very same electrode. Here, we theoretically investigate how to exploit the pronounced anisotropy of corrugated graphene deposited on Ru(0001) (Gr/Ru) to tailor single-mo

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33

Kadigrobov, A. M., Yu N. Tzyan (Chiang), and I. I. Logvinov. "Thermal-electric self-oscillations in metals with a negative differential conductivity." Soviet Journal of Low Temperature Physics 12, no. 2 (1986): 123–25. https://doi.org/10.1063/10.0031450.

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It is shown that thermal-electric self-oscillations (TESO) can be genrerated in normal metals with a negative differential conductivity. Data on the first observation of such self-oscillations in indium are presented along with the results of calculation of the specific heat of the metal on the basis of the self-oscillation parameters.

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34

Komova, N. N. "CONDUCTIVITY AT ALTERNATING CURRENT OF THIN FILMS OF POLYCHLOROPRENE FORMED IN ELECTRIC FIELD." Fine Chemical Technologies 13, no. 1 (2018): 75–92. http://dx.doi.org/10.32362/2410-6593-2018-13-1-75-92.

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The temperature dependences of conductivity at alternating current (a frequency of 1 kHz) were studied for thin polychloroprene films formed from a solution on metal electrodes having different polarities: anode, cathode and zero potential. It was found that the nature and form of the temperature dependence of the conductivity of the investigated polymer film depends on the method of sample formation. Temperature regions of maximum conductivity were detected. The realization of the heating cycle followed by the film cooling in a limited region between the electrodes under the action of an alte

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Szpakiewicz-Szatan, Aleksander, Szymon Starzonek, Jerzy E. Garbarczyk, Tomasz K. Pietrzak, Michał Boćkowski, and Sylwester J. Rzoska. "AC Electric Conductivity of High Pressure and High Temperature Formed NaFePO4 Glassy Nanocomposite." Nanomaterials 14, no. 18 (2024): 1492. http://dx.doi.org/10.3390/nano14181492.

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Olivine-like NaFePO4 glasses and nanocomposites are promising materials for cathodes in sodium batteries. Our previous studies focused on the preparation of NaFePO4 glass, transforming it into a nanocomposite using high-pressure–high-temperature treatment, and comparing both materials’ structural, thermal, and DC electric conductivity. This work focuses on specific features of AC electric conductivity, containing messages on the dynamics of translational processes. Conductivity spectra measured at various temperatures are scaled by apparent DC conductivity and plotted against frequency scaled

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Mammadyarov, M. A., K. O. Israfilova, F. Kh Aliyeva, and F. I. Akhmedov. "Research of electric conductivity of esters of (C4-C10) terminal dicarboxylic acids depending on their chemical structure." World of petroleum products 06 (2021): 29–32. http://dx.doi.org/10.32758/2782-3040-2021-0-6-29-32.

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Using a teraohmmeter, the resistance indices of synthesized symmetric, asymmetric and complex esters of terminal dicarboxylic acids (TDA) of various structures were determined. The specific resistance and electrical conductivity of the obtained samples were determined. The properties of electrical conductivity are investigated depending on the structure of diesters and complex esters of TDA. It was found that in complex esters of TDA containing 3 or 4 ester groups, with an increase in the length of the carbon chain in the acid molecule, the electrical conductivity decreases. It was revealed th

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Kosenkov, V. M. "Comparative Analysis of Methods for Mathematical Modeling of Specific Electrical Conductivity of Plasma in the Channel of an Electric Discharge in Water." Elektronnaya Obrabotka Materialov 57, no. 4 (2021): 24–34. http://dx.doi.org/10.52577/eom.2021.57.4.24.

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In the present work, a comparative analysis of three methods for determining the specific electrical conductivity of the plasma formed in the channel of an electric discharge in water is carried out for its mathematical modeling. The parameters of the empirical function are determined, at which the results of mathematical modeling are consistent with the experimental data. The necessity of using empirical functions in calculating the specific electrical conductivity of plasma has been substantiated. The obtained ratios made it possible to significantly increase the adequacy of the previously d

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Pasechnaya, E. L., M. A. Ponomar, A. V. Klevtsova, A. V. Korshunova, V. V. Sarapulova, and N. D. Pismenskaya. "Characteristics of Aliphitic and Aromatic Ion-Exchange Membranes after Electrodialysis Tartrate Stabilization of Wine Materials." Membrany i membrannye tehnologii 14, no. 4 (2024): 317–32. http://dx.doi.org/10.31857/s2218117224040079.

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Color indication of anthocyanins, FTIR spectroscopy, measurement of surface contact angle values, determination of specific electrical conductivity, as well as voltammetry and parallel measurement of pH of desalted solutions were used to analyze the fouling characteristics of aliphatic (CJMA-3, CJMC-3) and aromatic (AMX-Sb, CMX-Sb) ion-exchange membranes used in electrodialysis tartrate stabilization of wine material. It has been shown that polyphenols form complexes with metal ions on the surface and in the subsurface layers of cation-exchange membranes, which do not interfere with the transf

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Gao, Chenghong. "Application of carbon nanotubes in lithium-ion batteries." E3S Web of Conferences 553 (2024): 02026. http://dx.doi.org/10.1051/e3sconf/202455302026.

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Battery demand as a power source has skyrocketed due to the electric car market’s explosive growth. Because of its high energy density, lack of memory effect, low self-discharge rate, environmental friendliness, and extended cycle life, lithium-ion batteries, or LIBs, are widely employed in electric cars, aircraft, and other sectors. However, the use of traditional carbon materials in LIBs has led to relatively low specific capacity, limited charging and discharging rates, and low first-time charging and discharging efficiencies Carbon nanotubes (CNTs), with their high electrical conductivity,

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Agnass, Pierre, Hans M. Rodermond, Remko Zweije, et al. "HyCHEED System for Maintaining Stable Temperature Control during Preclinical Irreversible Electroporation Experiments at Clinically Relevant Temperature and Pulse Settings." Sensors 20, no. 21 (2020): 6227. http://dx.doi.org/10.3390/s20216227.

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Electric permeabilization of cell membranes is the main mechanism of irreversible electroporation (IRE), an ablation technique for treatment of unresectable cancers, but the pulses also induce a significant temperature increase in the treated volume. To investigate the therapeutically thermal contribution, a preclinical setup is required to apply IRE at desired temperatures while maintaining stable temperatures. This study’s aim was to develop and test an electroporation device capable of maintaining a pre-specified stable and spatially homogeneous temperatures and electric field in a tumor ce

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Artemkina, Yuliya M., Yuriy D. Zagoskin, Nikita M. Kuznetsov, and Vladimir V. Shcherbakov. "REGULARITIES IN ELECTRICAL CONDUCTIVITY OF AQUEOUS SOLUTIONS OF SOME INORGANIC ACIDS." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENIY KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 59, no. 2 (2018): 26. http://dx.doi.org/10.6060/tcct.20165902.5208.

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The concentration and temperature dependences of the specific electric conductivity (EC) of aqueous solutions of HCl, HBr, HNO3, HClO4, H2SO4 and HBF4, H2SiF6, and H2TiF6 were analyzed. It was shown that at a temperature of 298 K maximum specific EC of solutions of acids does not exceed the value of the limit high-frequency EC of water. The analytical equation allowing on the basis of maximum EC and corresponding to it concentration to calculate the EC of acid solutions in a wide range of concentrations and temperatures was obtained.

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Cheng, Ya Juan, Xue Chen Duan, Yang Lin Liu, Bo Jiang, Gui Ying Xiao, and Zhi Chao Zhou. "Facile Solvothermal Route to Synthesize Indium Tin Oxide Nano-Plates, Nanoparticles and Nanorods." Advanced Materials Research 284-286 (July 2011): 1014–18. http://dx.doi.org/10.4028/www.scientific.net/amr.284-286.1014.

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Indium tin oxide (ITO) nanopowders with high crystalline were synthesized by a simple solvothermal method with isopropanol as the selected solvent. X-ray diffraction was employed to characterize the crystal structure and crystalline size while the effect of the reaction time on morphologies was studied by FE-SEM. The results revealed that, with the increase of solvothermal time, the morphologies were evolved gradually from porous plates with high specific surface area to rods with narrow diameter distribution. The solvothermal time has little effect on crystalline size, which is 18nm approxima

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Дыбов, В. А., Ю. Е. Калинин, А. А. Камынин та ін. "Электрические и оптические свойства тонкопленочного феррита висмута". Журнал технической физики 92, № 12 (2022): 1951. http://dx.doi.org/10.21883/jtf.2022.12.53762.182-22.

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The optical and electrical properties of bismuth ferrite thin films obtained by high-frequency magnetron sputtering in an atmosphere of argon and oxygen (80% + 20%) has been studied. Investigations of the optical properties have shown that for polycrystalline bismuth ferrite films the optical band gap is ~3 eV, which is in the range of given in the literature values. The dependences of the specific electrical conductivity on the magnitude of the electric field has been studied for the synthesized films. It has been established that the electrical conductivity does not depend on the electric fi

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Ефремов, Вадим Викторович, Михаил Николаевич Палатников, and Ольга Борисовна Щербина. "METASTABLE STATE WITH HIGH ELECTRIC CONDUCTIVITY IN LiNaTaNbO SYNTHESIZED AT HIGH PRESSURE." Physical and Chemical Aspects of the Study of Clusters, Nanostructures and Nanomaterials, no. 13 (December 23, 2021): 123–33. http://dx.doi.org/10.26456/pcascnn/2021.13.123.

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Представлены результаты исследования сегнетоэлектрического твердого раствора LiNaTaNbO со структурой перовскита, основанного на ниобате натрия и синтезированного в условиях высокого давления и температуры. Методом импеданс спектроскопии в области температур 290 - 800 К были определены значения удельных проводимостей на постоянном токе, энергии активации носителей заряда и реальная часть диэлектрической проницаемости. Показана эволюция температурных аномалий удельной проводимости и диэлектрической проницаемости при термоциклировании. Обнаруженые эффекты связанны со структурными фазовыми переход

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Grinchik, N. N., K. V. Dobrego, and M. A. Chumachenko. "On the Measurement of Electric Resistance of Liquid Electrolytes of Accumulator Battery." ENERGETIKA. Proceedings of CIS higher education institutions and power engineering associations 61, no. 6 (2018): 494–507. http://dx.doi.org/10.21122/1029-7448-2018-61-6-494-507.

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Operational control of parameters of electrolytes (first of all–of specific electric conductivity), is an important electrochemical technology. The methods of measurement of electric conductivity of electrolytes is a subject of permanent discussions because of complexity of physical-and-chemical processes accompanying ion transport and of electrolyte polarization near surfaces of electrodes and of electrochemical processes on the electrodes surfaces. Actual highand low-frequency conductometric methods require relatively expensive equipment and are not free of methodological flaws. In this pape

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Borodina, Irina, Boris Zaitsev, Andrey Teplykh, Gennady Burygin, and Olga Guliy. "Sensor Based on PZT Ceramic Resonator with Lateral Electric Field for Immunodetectionof Bacteria in the Conducting Aquatic Environment †." Sensors 20, no. 10 (2020): 3003. http://dx.doi.org/10.3390/s20103003.

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A biological sensor for detection and identification of bacterial cells, including a resonator with a lateral electric field based on PZT ceramics was experimentally investigated. For bacterial immunodetection the frequency dependencies of the electric impedance of the sensor with a suspension of microbial cells were measured before and after adding the specific antibodies. It was found that the addition of specific antibodies to a suspension of microbial cells led to a significant change in these frequency dependencies due to the increase in the conductivity of suspension. The analysis of mic

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Liu, Lin, Yue Zhao, Jianyong Han, Cheng Cheng, and Chaozhe Zhang. "Coupled Analysis of Thermofluid-Structure Field for Thermal Properties of Early-Age Concrete Influenced by Electric Heating System." Geofluids 2022 (November 19, 2022): 1–9. http://dx.doi.org/10.1155/2022/3341741.

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When heat energy is transferred to concrete through energy conversion by an electric heating system, the overall thermal performance of the early-age concrete is affected by the local high temperature of the concrete. This, in turn, affects the accuracy of the prediction and calculation of concrete deformation. Concrete thermal physical parameter models considering the mutual influence of heat and humidity were established to clarify the influence of an electric heat tracing system on the heat transfer performance of concrete at an early age, based on the concepts of equivalent age and hydrati

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Argumedo Teuffer, Pedro José, Luis Enrique Marron Ramirez, Jean Fulbert Ituna-Yudonago, Pablo Alejandro Arizpe Carreón, and Carlos Manuel Rodríguez Roman. "Geometric Design of a Low-Power Arcjet Constrictor and Determination of Velocity of Air-Based Plasma by Means of Analytical and Numerical Methods." Machines 11, no. 5 (2023): 527. http://dx.doi.org/10.3390/machines11050527.

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The following research focuses on the analytical and numerical study of an arcjet constrictor. In order to perform these analyses, a geometric design of the constrictor was proposed. The analytical study considers mathematical models proposed by Stine and Watson, related to the properties of air propellants, such as the specific enthalpy, electric conductivity, thermal conductivity, and specific heat. The numerical study considered the equations for mass, momentum, energy, and electricity that describe the interaction between the electric arc and the fluid flow. These equations were solved in

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Santos Júnior, Luís Carlos Oliveira dos, Matthias Schulz, Dietrich Knorr, and Edna Regina Amante. "Pulsed electric field for Escherichia coli inactivation in pumpkin juice and nectar." Acta Scientiarum. Technology 44 (January 12, 2022): e56091. http://dx.doi.org/10.4025/actascitechnol.v44i1.56091.

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In this study experiments were performed using a batch pulsed electric field (PEF) system at different electric field strengths with a voltage of 35 kV and pulse frequency of 3 Hz, at 20 and 40°C, with pulse width between 0.8 and 1.0 µs, to evaluate the inactivation of Escherichia coli in pumpkin juice and nectar. The performance of the PEF technology can vary as a function of several process parameters and the conditions and procedures applied. The physicochemical characteristics (pH, total soluble solids, electrical conductivity) of the pumpkin juice were also evaluated. The juice showed 5.0

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Ojovan, Michael I., Boris E. Burakov, and William E. Lee. "Destruction of Micro-crystal Containing Wasteforms by Charge-induced Crystal Shape Change on Self-irradiation." MRS Advances 2, no. 11 (2016): 621–26. http://dx.doi.org/10.1557/adv.2016.655.

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ABSTRACTMechanical damage of non-metallic nuclear wasteforms can be caused by electrical fields induced by decaying clusters of radionuclides surrounded by an insulating matrix. We assess the electric fields near clusters with decaying radionuclides 244Cm, 241Am, 238,239Pu and 137Cs in a glass matrix determining that matrix destruction can gradually occur via electric breakdown discharges and diffusion-controlled change in form of clusters. The most important parameters that control potential matrix destruction are the radioactive cluster (inhomogeneity) size, radionuclide specific radioactivi

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