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Artykuły w czasopismach na temat "Thermal Properties of Molybdenum Dioxide"

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Trivedi, Mahendra Kumar, Rama Mohan Tallapragada, Alice Branton, et al. "Analysis of Physical, Thermal, and Structural Properties of Biofield Energy Treated Molybdenum Dioxide." International Journal of Materials Science and Applications 4, no. 5 (2015): 354–59. https://doi.org/10.11648/j.ijmsa.20150405.21.

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Molybdenum dioxide (MoO2) is known for its catalytic activity toward reforming hydrocarbons. The objective of this study was to evaluate the effect of biofield energy treatment on physical, thermal, and structural properties in MoO2. The MoO2 powder sample was divided into two parts, one part was remained as untreated, called as control, while the other part was subjected to Mr. Trivedi’s biofield energy treatment and called as treated. Both control and treated samples were investigated using X-ray diffraction (XRD), thermogravimetric analysis (TGA), and Fourier transform infrared (FT-IR
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Trivedi, Mahendra Kumar, Rama Mohan Tallapragada, Alice Branton, et al. "Analysis of Physical, Thermal, and Structural Properties of Biofield Energy Treated Molybdenum Dioxide." International Journal of Materials Science and Applications 4, no. 5 (2015): 354–59. https://doi.org/10.5281/zenodo.192199.

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Molybdenum dioxide (MoO2) is known for its catalytic activity toward reforming hydrocarbons. The objective of this study was to evaluate the effect of biofield energy treatment on physical, thermal, and structural properties in MoO2. The MoO2 powder sample was divided into two parts, one part was remained as untreated, called as control, while the other part was subjected to Mr. Trivedi’s biofield energy treatment and called as treated. Both control and treated samples were investigated using X-ray diffraction (XRD), thermogravimetric analysis (TGA), and Fourier transform infrared (FT-IR
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Kumar Trivedi, Mahendra. "Analysis of Physical, Thermal, and Structural Properties of Biofield Energy Treated Molybdenum Dioxide." International Journal of Materials Science and Applications 4, no. 5 (2015): 354. http://dx.doi.org/10.11648/j.ijmsa.20150405.21.

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Liu, Lingna, Yi Hou, Xiuzhao Yin, Fang Zhang, and Zifei Peng. "Preparation and investigation of co-doped VO2 powders." Functional Materials Letters 12, no. 02 (2019): 1950015. http://dx.doi.org/10.1142/s1793604719500152.

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In this paper, tungsten-and molybdenum-doped vanadium dioxide (VO[Formula: see text] powders were prepared by hydrothermal reaction using vanadium pentoxide (V2O[Formula: see text], H2O2, white tungstic acid (WPTA) and sodium molybdate (Na2MoO[Formula: see text] as raw materials. The microstructure and composition of VO2 powders were characterized by means of XRD, XPS, DSC and FT-IR. We made a preliminary study on the thermal-induced phase transition properties of powders. The experimental results show that the co-doped samples are monoclinic rutile. Tungsten and molybdenum atoms exist in the
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Sonakshi, Saini, Sharma Sakshi, Khangembam Maya, and Singh Vinod. "Structural analysis of the chemical vapour deposition grown molybdenum disulphide nanofilms for multifaceted applications." Indian Journal of Science and Technology 13, no. 29 (2020): 2973–80. https://doi.org/10.17485/IJST/v13i29.1215.

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Abstract <strong>Background/Objectives:</strong>&nbsp;In recent years, the research on molybdenum disulphide (MoS2) has gained significance because of its unique properties and ease of incorporation in hybrid structures, which makes it one of the most suitable materials for devices and multifaceted&nbsp;<strong>Applications.</strong>&nbsp;The objective of the study is to synthesize MoS2 nanofilms and then to characterize them through X-ray diffraction (XRD) technique. Methods: In this study, MoS2 nanofilms are synthesized on silicon dioxide substrates by the thermal Chemical Vapour Deposition
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Ukhina, Arina V., Boris B. Bokhonov, and Dina V. Dudina. "Selective Deposition of Mo2C-Containing Coatings on {100} Facets of Synthetic Diamond Crystals." International Journal of Molecular Sciences 23, no. 15 (2022): 8511. http://dx.doi.org/10.3390/ijms23158511.

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An efficient way to improve the properties of metal–diamond composites (mechanical strength, wear resistance, thermal conductivity) is the preliminary modification of the diamond surface to improve its wettability by the metal matrix. In the present work, Mo2C-containing coatings were deposited on the diamond crystals under different conditions: hot pressing (atmosphere of argon), spark plasma sintering (forevacuum), and annealing in air. The influence of the sintering parameters on the morphology and phase composition of the coatings deposited on diamond was studied. Mo2C-containing coatings
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Volkovich, Vladimir A., Denis E. Aleksandrov, Trevor R. Griffiths, Boris D. Vasin, Timur K. Khabibullin, and Dmitri S. Maltsev. "On the formation of uranium(V) species in alkali chloride melts." Pure and Applied Chemistry 82, no. 8 (2010): 1701–17. http://dx.doi.org/10.1351/pac-con-09-09-30.

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Uranyl(V) species are normally unstable in solutions but are here shown to be stable in high-temperature chloride melts. Reactions leading to the formation of UO2Cl43– ions were studied, including thermal decomposition and chemical reduction of uranyl(VI) chloro-species in various alkali chloride melts (LiCl, 3LiCl–2KCl, NaCl–KCl, and NaCl–2CsCl) at 550–850 °C. Decomposition of UO2Cl42– species under reduced pressure, with inert gas bubbling through the melt or using zirconium getter in the atmosphere results in the formation of UO2Cl43– and UO2. Elemental tellurium, palladium, silver, molybde
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Stepanov, M. S., and Y. M. Dombrovskii. "Microarc Molybdenum Steel Saturation Using Ammonium Molybdate." Safety of Technogenic and Natural Systems, no. 4 (November 27, 2024): 47–53. http://dx.doi.org/10.23947/2541-9129-2024-8-4-47-53.

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Introduction. One of the most significant challenges in modern materials science is increasing the reliability and durability of tools and machine parts. To address this issue, it is essential to develop high-hardness coatings with enhanced properties. Typically, high-energy techniques are employed for this purpose, but they require complex and costly equipment, limiting their widespread use. Therefore, problem of creating such coatings remains a significant challenge. An effective and affordable approach to creating these coatings on steel products is microarc surface alloying from a coating
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Akram, Javaria, Noreen Sher Akbar, and Dharmendra Tripathi. "Entropy generation in electroosmotically aided peristaltic pumping of MoS2 Rabinowitsch nanofluid." Fluid Dynamics Research 54, no. 1 (2022): 015507. http://dx.doi.org/10.1088/1873-7005/ac4e7b.

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Abstract The main emphasis of this article is to compare the heat transfer performance of two different nanofluids i.e. carboxy-methyl-cellulose (CMC) + water-based molybdenum dioxide (MoS2) nanofluid and kerosene oil-based molybdenum dioxide nanofluid during the fluid flow through a symmetric microchannel which is pumped by the mechanism of peristalsis and electroosmosis. The energy dissipated by Joule heating and viscous dissipation is also taken into account. An analysis of volumetric entropy generation is also conducted. Rabinowitsch fluid model is employed to characterize the shear-thinni
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Alekseeva, L. S., A. V. Nokhrin, А. I. Orlova, et al. "Heat conductivity of YAG:Nd + Mo ceramic composites obtained by Spark Plasma Sintering." Perspektivnye Materialy 2 (2024): 58–68. http://dx.doi.org/10.30791/1028-978x-2024-2-58-68.

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The microstructure and thermophysical properties (specific heat capacity, thermal conductivity coefficient, heat conductivity coefficient) of fine-grained ceramic composites based on yttrium-aluminum garnet Y2.5Nd0.5Al5O12 (YAG:Nd) with different molybdenum content (10, 20, 40 vol. %) are investigated. Submicron Y2.5Nd0.5Al5O12 powders are obtained by co-precipitation method. Powder compositions of YAG:Nd + Mo with the structure “YAG:Nd core – Mo shell” were obtained using wet chemistry techniques and precipitation of the metal phase from salt solutions. Ceramic composite samples were obtained
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Rozprawy doktorskie na temat "Thermal Properties of Molybdenum Dioxide"

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Thamanavat, Kanrakot. "High Pressure Phase Equilibria in the Carbon Dioxide + Pyrrole System." Thesis, Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/4919.

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The objectives of this work are to measure phase equilibria in the carbon dioxide + pyrrole system and to correlate and predict the phase behavior of this system with a thermodynamic model. This binary system is of interest due to the growing applications of supercritical carbon dioxide as a solvent or reaction medium for pyrrole. Polypyrrole is an electrically conducting polymer of interest in a number of applications such as anti-static coatings. Pyrrole has also been used as a reactant in enzymatic reaction. Knowledge of the phase behavior of carbon dioxide + pyrrole system is therefore nec
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Jurgens-Kowal, Teresa Ann. "Preparation and characterization of synthetic mineral surfaces : adsorption and thermal decomposition of tetraethoxysilane on magnesium oxide, molybdenum, and titanium dioxide surfaces /." Thesis, Connect to this title online; UW restricted, 1996. http://hdl.handle.net/1773/9865.

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Mäder, Urs Karl. "Carbon dioxide and carbon dioxide-water mixtures : |b P-V-T properties and fugacities to high pressure and temperature constrained by thermodynamic analysis and phase equilibrium experiments." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/30629.

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The thermophysical properties of supercritical CO₂ and H₂O-CO₂ mixtures are reviewed and their computation and prediction improved through theory and experiment. A resolution is attempted among inconsistencies between and within data sets, including P-V-T measurements, phase equilibrium experiments and equations of state. Pure carbon dioxide: Equations of state for CO₂ (Kerrick & Jacobs, 1981; Bottinga & Richet, 1981; Holloway, 1977) are based solely on P-V-T data up to 8 kbar and lead to deviations from phase equilibrium data at pressures greater than 10-20 kbar. Mathematical programming an
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Awad, Hani H. (Hani Hanna). "Thermal and Flash Photolysis Studies of Ligand-Exchange Reactions of Substituted Metal Carbonyl Complexes of Cr and Mo." Thesis, University of North Texas, 1989. https://digital.library.unt.edu/ark:/67531/metadc332097/.

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Thermal and flash photolysis studies of ligand-substitution reactions of cis-(pip)(L)M(CO)_4 by L' (pip = piperidine; L, L' = CO, phosphines, phosphites; M = Cr, Mo) implicate square-pyramidal [(L)M(CO)_4], in which L occupies a coordination site in the equatorial plane, as the reactive species. In chlorobenzene (= CB) solvent, the predominant species formed after flash photolysis and a steady-state intermediate for the thermal reaction is cis—[(CB)(L)M(CO)_4], for which rates of CB-dissociation increase with increasing steric demands of coordinated L. Rates of CB-dissociation from trans-[(CB)
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Buckley, James. "The manufacture and characterisation of composite nuclear fuel for improved in-reactor performance." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/the-manufacture-and-characterisation-of-composite-nuclear-fuel-for-improved-inreactor-performance(b5ea0339-7c5b-46d2-a696-743007b9e94b).html.

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Fuel for nuclear reactors with an increased thermal conductivity offers the potential for lower fuel operating temperatures and reduced fission gas release rates. Uranium dioxide (UO2) based composites offer a method of achieving a higher thermal conductivity. Silicon carbide (SiC) and molybdenum (Mo) have been identified as potential candidates for use in a composite fuel material. Uranium dioxide composites were manufactured with the inclusion of whiskers and granules of SiC up to a 30 vol% loading. The manufacturing route used was based on the current process employed to commercially manufa
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Bouchoul, Nassim. "Valorisation du dioxyde de carbone par couplage plasma non-thermique et catalyse." Thesis, Poitiers, 2019. http://theses.univ-poitiers.fr/62720/2019-Bouchoul-Nassim-These.

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Le dioxyde de carbone et le méthane représentent les deux principaux gaz à effet de serre produits par l’Homme. Dans le contexte environnemental actuel, leur valorisation constitue un enjeu scientifique majeur. Cette thèse s’inscrit ainsi dans cet objectif de valorisation du CO2 et du CH4. Pour cela, la réaction de reformage sec du méthane a été réalisée par couplage plasma non-thermique et catalyse. De façon générale, des catalyseurs à base de métaux, comme Ni/Al2O3, sont utilisés lors du couplage plasma-catalyse. Toutefois, les résultats obtenus en termes de conversions et de sélectivités so
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Fedosse, Zornio Clarice. "Ionic liquids as multifuncional additives for poly(methyl methacrylate)-based materials." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSEI041/document.

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La vaste gamme de combinaisons possibles de cations et anions, ainsi que les excellentes propriétés intrinsèques des liquides ioniques (LIs) peuvent être considérées comme les principaux facteurs qui ont conduit au développement d’une recherche utilisant des LIs comme additifs des matériaux polymère. Ainsi, l'objectif principal de ce travail est d'explorer le rôle de la nature du cation et/ou du anion du LI sur les propriétés des matériaux basées de poly (méthacrylate de méthyle) (PMMA). Dans une première partie, des LIs de type imidazolium et ammonium ont été incorporés au PMMA et des caracté
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Chou, Tien-Pao, and 周天寶. "Study of the Properties of the Molybdenum dioxide Films by Magnetron Sputtering." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/3pf245.

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碩士<br>義守大學<br>材料科學與工程學系<br>105<br>In this study, we prepared Molybdenum dioxide thin films on glass substrate and silicon substrate by RF magnetron sputtering method with added in different oxide content (unadded, 5 sccm, 10 sccm, 15 sccm, 20 sccm). The effect of oxide content and different annealing temperature on the microstructure and electrical of Molybdenum dioxide thin films will be investigated in this study. The surface microstructure is observed by FESEM (Hitachi S-4700). The crystal structure is analyzed by XRD (PANalytical X’Pert PRO) The electrical is tested by Hall effect measurem
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Creasy, John Thomas. "Thermal Properties of Uranium-Molybdenum Alloys: Phase Decomposition Effects of Heat Treatments." Thesis, 2011. http://hdl.handle.net/1969.1/ETD-TAMU-2011-12-10625.

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Uranium-Molybdenum (U-Mo) alloys are of interest to the nuclear engineering community for their potential use as reactor fuel. The addition of molybdenum serves to stabilize the gamma phase of uranium, as well as increasing the melting point of the fuel. Thermal properties of U-Mo alloys have not been fully characterized, especially within the area of partial phase decomposition of the gamma phase of the alloy. Additional data was acquired through this research to expand the characterization data set for U-Mo alloys. The U-Mo alloys used for this research were acquired from the Idaho Nationa
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Liao, Bo-yuan, and 廖柏源. "Investigation on the mechanical properties and thermal stability of molybdenum disulfide nanowires by molecular dynamics simulation." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/17126372931867600212.

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碩士<br>國立中山大學<br>機械與機電工程學系研究所<br>103<br>In this study, We use simulation method to build ultrathin Mo nanowires and MoS2 nanowires,and analysis their structure, mechanical properties, and thermal properties. I divided my study into two part: First the structure of ultrathin Mo nanowires were predicted by the simulated annealing basin-hopping method (SABH) with the tight-binding potential. Depending on different size of diameter it will divide into 6-1, 10-4, 10-5-1 three type. The mechanical properties and thermal stability of Mo nanowires were further examined by the molecular dynamic (MD) cal
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Książki na temat "Thermal Properties of Molybdenum Dioxide"

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Efimovich, Sheĭndlin Aleksandr, and Pelet͡s︡kiĭ V. Ė, eds. Teplofizicheskie svoĭstva molibdena i ego splavov: Spravochnik : soglasovano s Gosudarstvennoĭ sluzhboĭ standartnykh spravochnykh dannykh. "Metallurgii͡a︡", 1990.

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Ty, Neises. A comparison of supercritical carbon dixoide power cycle configurations with an emphasis on CSP applications. National Renewable Energy Laboratory, 2013.

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Joint Panel on Oceanographic Tables and Standards. Carbon Dioxide Sub-Group., ed. Thermodynamics of the carbon dioxide system in seawater: Report. Unesco, 1987.

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McEachern, Rod J. A review of the oxidation of uranium dioxide at temperatures below 400C̊. Whiteshell Laboratories, 1997.

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D, Aggarwal M., and George C. Marshall Space Flight Center., eds. A study of microstructural characteristics of Ni-based superalloys at high temperatures: Final technical report. Dept. of Physics, Alabama Agricultural and Mechanical University, 1990.

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D, Aggarwal M., and United States. National Aeronautics and Space Administration, eds. A study of microstructural characteristics of Ni-based superalloys at high temperatures: Semi-annual technical report. Dept. of Physics, Alabama Agricultural and Mechanical University, 1987.

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United States. National Aeronautics and Space Administration., ed. A Study of microstructural characteristics of Ni-based superalloys at high temperatures: Semi-annual technical report. Dept. of Physics, Alabama Agricultural and Mechanical University, 1988.

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J, Carroll John, and Sara Anwar. Carbon Dioxide Thermodynamic Properties Handbook. Wiley & Sons, Incorporated, John, 2011.

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Dvuokisʹ ugleroda v vysokotemperaturnykh prot͡s︡essakh mineraloobrazovanii͡a︡. "Nauka", 1988.

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J, Carroll John, and Sara Anwar. Carbon Dioxide Thermodynamic Properties Handbook: Covering Temperatures from -20° to 250°C and Pressures up to 1000 Bar. Wiley & Sons, Limited, John, 2016.

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Części książek na temat "Thermal Properties of Molybdenum Dioxide"

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Qin, Wei, Xiao Hong Wu, Gui Mei Zhao, Xiao Ming Lai, and Li Gong Zhang. "Optical Absorption Properties of Nanotitanium Dioxide Doped ZnO/Silicone Thermal Control Coating." In Materials Science Forum. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-432-4.1725.

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Singh, Amares, Rajkumar Durairaj, Elango Natarajan, Wei-Hong Tan, and Shamini Janasekaran. "Thermal, Microstructure, and Hardness Properties of Molybdenum Nanoparticles Added Tin -Bismuth Solder Alloy for Low-Temperature Soldering Application." In Materials, Design and Manufacturing for Sustainable Environment. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-3053-9_3.

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Li, Zhihui. "Numerical Simulation of Convective Heat Transfer of CO2 in a Tube Under Supercritical Pressure at Low Reynolds Numbers." In Springer Proceedings in Physics. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1023-6_76.

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AbstractThe supercritical carbon dioxide (S-CO2) Brayton cycle has the advantages of compact layout, simple structure, high thermal efficiency, clean working quality, its application in lead-cooled fast reactor power conversion system helps the miniaturization and modularization of the whole system. The development of an efficient and compact supercritical CO2 heat exchanger has important reference significance for improving the thermal efficiency of the system of lead-cooled fast reactor. Supercritical CO2 can operate in high Reynolds number turbulence and low Reynolds number turbulence in he
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Goltsman, B. M., V. A. Smoliy, Yu V. Novikov, V. S. Yatsenko, and D. A. Golovko. "Study of the Effect of Zirconium Dioxide on the Physical and Mechanical Properties of Foamed Geopolymer Materials for Construction Purposes Based on Coal Combustion Waste at Arctic Thermal Power Plants." In Lecture Notes in Civil Engineering. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-47810-9_46.

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Li, Changhe, and Hafiz Muhammad Ali. "Experimental Research on Heat Transfer Performance in MQL Grinding With Different Nanofluids." In Research Anthology on Synthesis, Characterization, and Applications of Nanomaterials. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-8591-7.ch042.

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An investigation into the effect of nanofluid minimum quantity lubrication (MQL) on the temperatures in surface grinding is presented and discussed. Six types of nanoparticles, namely molybdenum disulfide (MoS2), zirconium dioxide (ZrO2), carbon nanotube (CNT), polycrystalline diamond, aluminum oxide (Al2O3), and silica dioxide (SiO2), are considered to mix individually with a pollution-free palm oil in preparing the nanofluids. A commonly used Ni-based alloy was chosen as the workpiece material. It is shown that CNT nanofluid results in the lowest grinding temperature of 110.7°C and the assoc
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"Experimental Research on Heat Transfer Performance in MQL Grinding With Different Nanofluids." In Enhanced Heat Transfer Mechanism of Nanofluid MQL Cooling Grinding. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-1546-4.ch008.

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An investigation into the effect of nanofluid minimum quantity lubrication (MQL) on the temperatures in surface grinding is presented and discussed. Six types of nanoparticles, namely molybdenum disulfide (MoS2), zirconium dioxide (ZrO2), carbon nanotube (CNT), polycrystalline diamond, aluminum oxide (Al2O3), and silica dioxide (SiO2), are considered to mix individually with a pollution-free palm oil in preparing the nanofluids. A commonly used Ni-based alloy was chosen as the workpiece material. It is shown that CNT nanofluid results in the lowest grinding temperature of 110.7°C and the assoc
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Kumar, Nitesh, Dipankar Narayan Basu, and Lin Chen. "Effect of Flow Acceleration and Buoyancy on Thermalhydraulics of sCO2 in Mini/Micro-Channel." In Handbook of Research on Advancements in Supercritical Fluids Applications for Sustainable Energy Systems. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-5796-9.ch005.

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Supercritical fluids have found enhanced applications in several sectors. High efficiency and high compactness associated with supercritical carbon dioxide power cycle are of major interest to the thermal engineers. Additionally, due to environment friendly properties, such as zero ODP, considerably lower GWP, non-toxic and nonflammable supercritical carbon dioxide has emerged as a potential substitute of conventional refrigerants. The peculiar properties of supercritical fluids ensured distinct flow and thermal characteristics of supercritical systems. Therefore, the chapter is aimed to discu
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Wang, Jingyi, Hui Xiao, and Huaxin Wang. "Modification Strategies of Titanium Dioxide." In Updates on Titanium Dioxide [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.111636.

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Titanium dioxide (TiO2) is a standard white pigment. However, when TiO2 is exposed to ultraviolet light, it will catalyze the degradation of the surrounding organic matrix. Surface coating of TiO2 is an effective method for reducing the catalytic effect of TiO2. It can also improve the dispersion of TiO2 in an organic matrix. This review critically introduces recent results on the surface coating of TiO2. First, the main features of TiO2, including processes, structure, and final properties, are described briefly. Second, this chapter reports and discusses different surface coating methods for
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Pioro, Igor L. "Application of Supercritical Fluids in Thermal- and Nuclear-Power Engineering." In Handbook of Research on Advancements in Supercritical Fluids Applications for Sustainable Energy Systems. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-5796-9.ch017.

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Supercritical Fluids (SCFs) have unique thermophyscial properties and heat-transfer characteristics, which make them very attractive for use in power industry. In this chapter, specifics of thermophysical properties and heat transfer of SCFs such as water, carbon dioxide, and helium are considered and discussed. Also, particularities of heat transfer at Supercritical Pressures (SCPs) are presented, and the most accurate heat-transfer correlations are listed. Supercritical Water (SCW) is widely used as the working fluid in the SCP Rankine “steam”-turbine cycle in fossil-fuel thermal power plant
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Yang, Wanting, and Wensheng Xie. "MoS2 for Cancer Diagnosis and Therapy." In Distinctive Aspects of Molybdenum Disulfide [Working Title]. IntechOpen, 2025. https://doi.org/10.5772/intechopen.1009621.

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Molybdenum disulfide (MoS2), a typical two-dimensional (2D) transition metal dichalcogenide (TMDs), has gained significant interest in cancer diagnosis and therapy due to its unique properties, such as excellent photothermal conversion efficiency, high surface area, ease of functionalization, and biocompatibility. Meanwhile, the easily controllable preparation and precise synthesis of MoS2 nanomaterials can be achieved according to the needs of cancer diagnosis and treatment. In this chapter, we introduced the latest developments of MoS2 nanomaterials in cancer diagnosis and therapy, mainly fo
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Streszczenia konferencji na temat "Thermal Properties of Molybdenum Dioxide"

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Ohno, Takehiro, Akihiro Toji, Toshihiro Uehara, et al. "Development of Low Thermal Expansion Ni Base Superalloy for Steam Turbine Applications." In AM-EPRI 2007, edited by R. Viswanathan, D. Gandy, and K. Coleman. ASM International, 2007. https://doi.org/10.31399/asm.cp.am-epri-2007p0377.

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Abstract The operating temperature of ultrasupercritical (USC) power plants is increasing, with planned temperatures reaching up to 700°C. Austenitic superalloys are promising alternatives to ferritic heat-resistant steels due to their potential for high strength at temperatures around 650-700°C. While austenitic nickel-base superalloys generally exhibit higher creep rupture strength than ferritic heat-resistant steels, they also have drawbacks, including higher thermal expansion, lower creep rupture ductility, and increased costs. Initially, the researchers focused on developing a molybdenum-
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Leonhardt, Todd. "Welding Behavior of Molybdenum Tubing With and Without Lanthanum Oxide." In HT 2013, edited by B. Lynn Ferguson. ASM International, 2013. https://doi.org/10.31399/asm.cp.ht2013p0291.

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Abstract Molybdenum sheaths are critical for protecting thermocouple components in high-temperature furnace environments up to 2200°C, but traditional tungsten inert gas welding introduces significant material vulnerabilities. The welding process traditionally increases grain size through solidification and operational exposure while creating porosity that promotes brittle behavior. To address these limitations, a research program developed a molybdenum-lanthanum oxide (M-L) seamless tube as an alternative thermocouple sheath material. Characterization revealed that the M-L sheath demonstrates
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Crook, Paul, and Jeremy L. Caron. "A Study of the Corrosion Properties of Welds and Heat-Affected Zones of a Wrought Nickel Alloy Containing High Levels of Chromium and Molybdenum." In CORROSION 2014. NACE International, 2014. https://doi.org/10.5006/c2014-3771.

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Abstract The wrought nickel alloys containing high chromium and molybdenum levels are of vital importance to the chemical process industries. Not only do they resist hydrochloric and sulfuric acid, which are among the most corrosive chemicals, but also they withstand the insidious effects of chloride-induced pitting and crevice corrosion. While the corrosion characteristics of the wrought nickel alloys have been studied extensively, there is a dearth of information concerning the corrosion behavior of their welds and heat-affected zones (HAZ), in effect the weak links in any welded structure.
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Schuster, Michael, Cole J. Crawford, and Raul B. Rebak. "Thermal Shock Resistance of FeCrAl Alloys for Accident Tolerant Fuel Cladding Application." In CORROSION 2017. NACE International, 2017. https://doi.org/10.5006/c2017-08900.

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Abstract Compared to the standard UO2–Zirconium (Zr) based system, accident tolerant nuclear fuels need to tolerate loss of active cooling in the core for a considerably longer time while maintaining or improving the fuel performance during normal operation conditions. Advanced alloys such as iron-chromium-aluminum-molybdenum (FeCrAlMo) alloys are being investigated both under normal operation conditions in high temperature water (e.g. 288°C) and under accident conditions for reaction with super-heated steam up to 1500°C. After a loss of coolant (LOCA) accident the reactor needs to be flooded,
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Brill, U., and D. C. Agarwal. "Carburization Behaviour of Nickel- and Iron-Base Alloys in the Temperature Range 550 – 1200 °C." In CORROSION 2002. NACE International, 2002. https://doi.org/10.5006/c2002-02373.

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Abstract Besides oxygen attack, at high service temperatures high temperature materials are frequently subject to attack by carbon. The carbon is usually formed by decomposition of hydrocarbons, carbon monoxide and carbon dioxide and diffuses into the material via the grain boundaries, where rapid diffusion of the carbon atoms takes place. The pick-up of carbon by the material may, inter alia, affect its mechanical properties and corrosion resistance. Therefore a wide variety of commercially available Ni- and Fe-base alloys were tested in a CH4/H2 gas mixture with a constant carbon activity of
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Niespodziany, D., M. Wolf, R. Behrens, and H. Alves. "Characterization of Novel High Performance Material UNS N08034." In CORROSION 2019. NACE International, 2019. https://doi.org/10.5006/c2019-13156.

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Absrract The changing material demands in the chemical processing and related industries calls for new and more performing materials. UNS N08034 is a new super-austenitic stainless steel alloyed with about 27 % chromium and 6.5 %-molybdenum. Further it has an intended addition of nitrogen for austenite stability and strength. The aim of this work is to present a comprehensive characterization of this material, which is the best in class in the corresponding alloy group, and therefore of high interest for applications in severe corrosive environments of the process industry. Along with the main
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Shimizu, Masaru, Gang Bao, and Yuji Fukuda. "High Temperature Corrosion Properties of Candidate Materials for 700°C Ultra Super Critical Boilers." In CORROSION 2009. NACE International, 2009. https://doi.org/10.5006/c2009-09250.

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Abstract Achieving higher plant efficiencies in thermal power plants is one of the major global challenges from the viewpoint of reducing carbon dioxide emission levels, particularly in coal-fired boilers. To this end, the goal in the development of ultra supercritical (USC) coal-fired boilers is to increase steam temperature from current value of 600°C to 700°C. The key to achieving 700°C USC boilers lies in the development of higher creep rupture strength alloys such as Ni-based and Fe-Ni based alloys, which have capability of operating under high stresses at these higher temperatures. Other
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Yang, Xue, Yang Li, Yueli Liu, Wen Chen, and Yanyuan Qi. "Synthesis and Electrochemical Properties of Molybdenum Dioxide/Graphene Nanomaterial." In 14th Asian Conference on Solid State Ionics (ACSSI 2014). Research Publishing Services, 2014. http://dx.doi.org/10.3850/978-981-09-1137-9_099.

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Su, Yu, Le Gong, Bi Li, and Dandan Chen. "An experimental investigation on thermal properties of molybdenum disulfide nanofluids." In 2015 International Conference on Materials, Environmental and Biological Engineering. Atlantis Press, 2015. http://dx.doi.org/10.2991/mebe-15.2015.197.

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SALAMIANSKI, A. E., and V. E. AGABEKOV. "MECHANICAL PROPERTIES OF COMPOSITE MONOLAYERS OF TRIACONTANOIC ACID WITH MOLYBDENUM DISULFIDE AND SILICON DIOXIDE." In Proceedings of International Conference Nanomeeting – 2013. WORLD SCIENTIFIC, 2013. http://dx.doi.org/10.1142/9789814460187_0110.

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Raporty organizacyjne na temat "Thermal Properties of Molybdenum Dioxide"

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Wayne, David M. Thermal and Physical Properties of Plutonium Dioxide Produced from the Oxidation of Metal: a Data Summary. Office of Scientific and Technical Information (OSTI), 2014. http://dx.doi.org/10.2172/1114456.

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Fitch, J. T., E. Kobeda, G. Lucovsky, and E. A. Irene. Effects of Thermal History on Stress-Related Properties of Very Thin Films of Thermally Grown Silicon Dioxide, SiO2. Defense Technical Information Center, 1989. http://dx.doi.org/10.21236/ada206547.

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Roberson, Madeleine, Kathleen Inman, Ashley Carey, Isaac Howard, and Jameson Shannon. Probabilistic neural networks that predict compressive strength of high strength concrete in mass placements using thermal history. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/44483.

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This study explored the use of artificial neural networks to predict UHPC compressive strengths given thermal history and key mix components. The model developed herein employs Bayesian variational inference using Monte Carlo dropout to convey prediction uncertainty using 735 datapoints on seven UHPC mixtures collected using a variety of techniques. Datapoints contained a measured compressive strength along with three curing inputs (specimen maturity, maximum temperature experienced during curing, time of maximum temperature) and five mixture inputs to distinguish each UHPC mixture (cement typ
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