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Добірка наукової літератури з теми "Molybdenum compounds"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 25 липня 2025

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Статті в журналах з теми "Molybdenum compounds"

1

Osipov, P. A., R. A. Shayakhmetova, and A. B. Sagyndykov. "Preparation, purification and dissolution of molybdenum oxychloride compounds in water." Engineering Journal of Satbayev University 144, no. 6 (2022): 18–23. http://dx.doi.org/10.51301/ejsu.2022.i6.03.

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Expansion of the fields of application of molybdenum and its compounds of high purity requires the study of their various purification methods. The paper considers low-temperature chlorination of technical molybdenum dioxide, purification of the gas mixture from impurities in the filter system, condensation and dissolution of purified molybdenum oxychloride compounds in water. On filters made of tableted sodium chloride, gaseous molybdenum dioxide is purified from aluminum, iron, chromium and nickel with the formation of low-volatile compounds. The capture of silicon by this filter was not det

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2

Roggan, Stefan, and Christian Limberg. "Molecular molybdenum/bismuth compounds." Inorganica Chimica Acta 359, no. 15 (2006): 4698–722. http://dx.doi.org/10.1016/j.ica.2006.04.030.

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3

Borukaev, Timur A., A. Kh Shaov, I. A. Shogenova, M. A. Pshitsukova, and M. S. Pshikhacheva. "Thermostability and Mechanical Properties of PVC-Plastic/Molybdenum Compounds." Materials Science Forum 935 (October 2018): 140–43. http://dx.doi.org/10.4028/www.scientific.net/msf.935.140.

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Composites based on PVC-plastic and molybdenum compounds were obtained. Thermostability and mechanical properties of the obtained compounds were studied. High thermal stability of the obtained PVC compounds was found. It is shown that molybdenum compounds effectively bind hydrogen chloride and catalyze structural changes in macromolecules. At the same time, the introduction of molybdenum compounds in PVC-plastic does not lead to deterioration in the mechanical properties of the material.

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4

Klienkov, Alexey V., Lyubov A. Petukhova, and Alexander A. Petukhov. "The study of molybdenum-containing solutions by IR spectroscopy." Butlerov Communications 61, no. 2 (2020): 103–7. http://dx.doi.org/10.37952/roi-jbc-01/20-61-2-103.

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Molybdenum compounds are widely used as catalysts for various chemical reactions, such as: oxidation, epoxidation, hydrogenation, reduction, etc. In particular, molybdenum compounds are used as a catalyst in the epoxidation of propylene with ethylbenzene hydroperoxide during the joint production of styrene and propylene oxide introduced into the industry as part of PJSC "Nizhnekamskneftekhim". We are working to verify the possibility of using glycol solutions, oxygen-containing inorganic compounds of molybdenum, such as molybdenum acid (MK), molybdenum anhydride (MA) and ammonium paramolybdate

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5

Osipov, P. A., R. A. Shayakhmetova, A. B. Sagyndykov, G. K. Maldybaev, and Zh А. Alybaev. "PREPARATION, PURIFICATION AND DISSOLUTION OF MOLYBDENUM OXYCHLORIDE COMPOUNDS IN WATER." Vestnik of the Kyrgyz-Russian Slavic University 22, no. 12 (2022): 72–79. http://dx.doi.org/10.36979/1694-500x-2022-22-12-72-79.

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6

Jurowska, Anna, Kamil Jurowski, Janusz Szklarzewicz, Boguslaw Buszewski, Tatiana Kalenik, and Wojciech Piekoszewski. "Molybdenum Metallopharmaceuticals Candidate Compounds - The “Renaissance” of Molybdenum Metallodrugs?" Current Medicinal Chemistry 23, no. 29 (2016): 3322–42. http://dx.doi.org/10.2174/0929867323666160504103743.

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7

Odularu, Ayodele T., Peter A. Ajibade, and Johannes Z. Mbese. "Impact of Molybdenum Compounds as Anticancer Agents." Bioinorganic Chemistry and Applications 2019 (September 10, 2019): 1–9. http://dx.doi.org/10.1155/2019/6416198.

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The aim of this mini review was to report the molybdenum compound intervention to control cancer disease. The intervention explains its roles and progress from inorganic molybdenum compounds via organomolybdenum complexes to its nanoparticles to control oesophageal cancer and breast cancer as case studies. Main contributions of molybdenum compounds as anticancer agents could be observed in their nanofibrous support with suitable physicochemical properties, combination therapy, and biosensors (biomarkers). Recent areas in anticancer drug design, which entail the uses of selected targets, were a

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8

Khusnutdinov, R. I., T. M. Oshnyakova, and U. M. Dzhemilev. "Molybdenum compounds in organic synthesis." Russian Chemical Reviews 86, no. 2 (2017): 128–63. http://dx.doi.org/10.1070/rcr4617.

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9

Arcadie, FUIOR. "BIOLOGICAL APPLICATIONS OF MOLYBDENUM INORGANIC COMPOUNDS." Studia Universitatis Moldaviae Seria Stiințe ale naturii, no. 1(131) (July 21, 2020): 60–74. https://doi.org/10.5281/zenodo.3953856.

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Molybdenum is an essential element for nature in both organic and inorganic environments. It is present in more than 50 enzymes that catalyze very important red-ox reactions for the majority of the living organisms and for the entire biogeochemical cycle of nitrogen. Biocompatibility of this metal within various chemical combinations motivated the investigation of eventual useful biological properties. In this review article, molybdenum compounds are explored in order to highlight their applications in biology and medicine as promising antitumor, antibacterial, antiviral and antioxidant agents

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10

Kuleshov, Serhii, Inessa Novoselova, and Anatoliy Omel’chuk. "ELECTROCHEMICAL SYNTHESIS OF MOLYBDENUM CARBIDES IN MOLTEN SALTS: THEROMODYNAMIC ASPECT." Ukrainian Chemistry Journal 90, no. 6 (2024): 59–70. https://doi.org/10.33609/2708-129x.90.6.2024.59-70.

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This paper presents thermodynamic calculations to identify optimal conditions for reducing oxygen-containing molybdenum and carbon compounds, suitable precursors for the electrochemical synthesis of molybdenum and molybdenum carbides in molten salts. A thermodynamic analysis of the high-temperature electrochemical synthesis (HTES) of molybdenum carbide was carried out based on calculations and analysis of thermochemical decomposition voltages of molybdenum and carbon oxygen-containing compounds. The analysis have showed that the following pairs of compounds can be used as synthesis precursors

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Більше джерел

Дисертації з теми "Molybdenum compounds"

1

Ellis, S. R. "Characterisation of molybdenum compounds relevant to the molybdenum cofactor of the oxo-molybdenum enzymes." Thesis, University of Manchester, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376593.

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2

Rickman, Sarah. "Growth and characterization of molybdenum disulfide, molybdenum diselenide, and molybdenum(sulfide, selenide) formed between molybdenum and copper indium(sulfide, selenide) during growth." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file 0.94 Mb., 85 p, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:1435848.

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3

Şahin, Engin Sözüer Topaloğlu Işıl. "Synthesis And Characterization Oxo-İmido [Tris (3,5-Dimethyl-Pyrazol) Borate] Molybdenum Complexes/." [s.l.]: [s.n.], 2004. http://library.iyte.edu.tr/tezler/master/kimya/T000444.rar.

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4

Zhang, Liping. "Hydrodenitrogenation of organonitrogen compounds over nickel-molybdenum sulfide and Molybdenum nitride catalysts /." The Ohio State University, 1996. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487942739805674.

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5

Boldt, Paul Henry. "Room temperature indentation of molybdenum disilicide." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0003/NQ42836.pdf.

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6

Konidaris, Peter Christopher. "New cyclopentadienyl imido compounds of molybdenum and tungsten." Thesis, University of Oxford, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306573.

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7

Pratt, David E. "Properties of biological copper, molybdenum and nickel compounds." Thesis, De Montfort University, 1985. http://hdl.handle.net/2086/4181.

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8

Dryden, Neil H. "Chemistry of bis(alkyl) nitrosyl and related complexes of molybdenum and tungsten." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/30694.

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The reactions of (ɳ⁵-C₅R₅)M(NO)(CO)₂ (R = H, Me; M = Mo, W) with PCl₅ result in the formation of the corresponding (ɳ⁵-C₅R₅)M(NO)(Cl)₂ products in high isolated yields (85-95%). These products have been fully characterized by conventional analytical and spectroscopic techniques including an X-ray crystallographic study of [ɳ⁵-C₅Me₅)Mo(NO)(Cl)₂]₂. Alkylation of the (ɳ⁵-C₅R₅)W(NO)(Cl)₂ compounds with Grignard reagents results in the formation of the corresponding complexes, (ɳ⁵-C₅R₅)W(NO)(R')₂ (R = H, Me; R' = CH₂CM₃, CH₂CM₂Ph: R = Me; R' = p-C₆H₄Me, Ph). An electrochemical study of (ɳ⁵-C₅H₅)W(N

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9

Hollandsworth, Carl Burton. "Full and half sandwich compounds of dimolybdenum and ditungsten." Connect to this title online, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1095455882.

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Thesis (Ph. D.)--Ohio State University, 2004.<br>Title from first page of PDF file. Document formatted into pages; contains xxi, 215 p.; also includes graphics (some col.). Includes bibliographical references (p. 209-215).

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10

Oloye, Femi Francis. "Synthesis and characterisation of zirconia supported molybdenum oxide and molybdenum carbide catalysts for hydroconversion of n-heptane." Thesis, University of Aberdeen, 2016. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=230933.

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The current upgrading catalysts are mainly based on the use of expensive noble metals, which are subject to deactivation due to sintering and coking. An alternative would be to introduce a non-noble metal-based catalyst. In this work, supported molybdenum carbide based systems have been assessed for this purpose. These catalysts were formed by impregnation of zirconia (and zirconium hydroxide) and sulfated zirconia (and zirconium hydroxide) with different loadings of MoO3, with an aim of finding a balance between acid sites and metal-like sites (a site capable of performing dehydrogenation and

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Книги з теми "Molybdenum compounds"

1

R, Braithwaite E., and Haber Jerzy, eds. Molybdenum: An outline of its chemistry and uses. Elsevier, 1994.

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2

1904-, Tananaev Ivan Vladimirovich, та Trunov V. K, ред. Soedinenii͡a︡ redkozemelʹnykh ėlementov. "Nauka", 1991.

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3

Pratt, David E. Properties of biological copper, molybdenum and nickel compounds. Leicester Polytechnic, School of Chemistry, 1985.

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4

S, Eliseev S., Solozhenkin P. M та Instituti khimii͡a︡i ba nomi V.I. Nikitin., ред. Khloridy i khlorokisi molibdena i volʹframa. Izd-vo "Donish", 1989.

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5

Mokhosoev, M. V. (Marks Vasilʹevich) та Kirgint︠s︡ev, A. N. (Alekseĭ Nikolaevich), ред. Rastvorimostʹ i svoĭstva rastvorov soedineniĭ molibdena i volʹframa: Spravochnik. VO "Nauka", 1993.

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6

Cittaro, Riccardo. Studies of mono and dihydroxamic acids and their reactions with vanadium and molybdenum compounds. University College Dublin, 1996.

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7

United States International Trade Commission. In the matter of certain ammonium octamolybdate isomers: Investigation no. 337-TA-477. U.S. International Trade Commission, 2004.

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8

A, Sekushin N., та Chudnovskiĭ Feliks Abramovich, ред. Ėlektrokhromizm i fotokhromizm v oksidakh volʹframa i molibdena. "Nauka," Leningradskoe otd-nie, 1990.

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9

Neary, Michelle Catherine. Molybdenum, Tungsten and Nickel Compounds as Catalysts for the Dehydrogenation of Formic Acid. [publisher not identified], 2016.

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10

Talivaldis, Spalvins, Lewis Research Center, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Division., eds. Influence of the deposition conditions on radiofrequency magnetron sputtered MoS2 films. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1990.

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Частини книг з теми "Molybdenum compounds"

1

Parker, Gordon A. "Molybdenum." In Anthropogenic Compounds. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-540-39468-6_6.

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2

Macintyre, J. E. "Mo Molybdenum." In Dictionary of Organometallic Compounds. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4615-6847-6_31.

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3

MacIntyre, Jane E. "Mo Molybdenum." In Dictionary of Organometallic Compounds. Springer US, 1996. http://dx.doi.org/10.1007/978-1-4899-6848-7_34.

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4

Macintyre, J. E., F. M. Daniel, D. J. Cardin, et al. "Mo Molybdenum." In Dictionary of Organometallic Compounds. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4757-4966-3_34.

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5

Nagy, Zoltán. "Mo—Molybdenum." In Electrochemical Synthesis of Inorganic Compounds. Springer US, 1985. http://dx.doi.org/10.1007/978-1-4899-0545-1_39.

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6

Green, M. "Mo Molybdenum." In Organometallic Compounds of the Lanthanides, Actinides and Early Transition Metals. Springer US, 1985. http://dx.doi.org/10.1007/978-1-4899-7164-7_16.

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7

Burgmayer, Sharon J. Nieter, Benjamin R. Williams, and Partha Basu. "CHAPTER 2. Pterin-Inspired Model Compounds of Molybdenum Enzymes." In Molybdenum and Tungsten Enzymes. Royal Society of Chemistry, 2016. http://dx.doi.org/10.1039/9781782628828-00008.

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8

Pakhira, Bholanath, Rudra Sarkar, and Sabyasachi Sarkar. "CHAPTER 3. Electron Transfer Mechanisms in Molybdenum and Tungsten Model Compounds." In Molybdenum and Tungsten Enzymes. Royal Society of Chemistry, 2016. http://dx.doi.org/10.1039/9781782628828-00068.

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9

Sugimoto, Hideki. "CHAPTER 6. Synthesis of Mono- and Bisdithiolene Molybdenum and Tungsten Model Compounds." In Molybdenum and Tungsten Enzymes. Royal Society of Chemistry, 2016. http://dx.doi.org/10.1039/9781782628828-00166.

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10

Kirk, Martin L. "CHAPTER 2. Spectroscopic and Electronic Structure Studies of Mo Model Compounds and Enzymes." In Molybdenum and Tungsten Enzymes. Royal Society of Chemistry, 2016. http://dx.doi.org/10.1039/9781782628842-00013.

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Тези доповідей конференцій з теми "Molybdenum compounds"

1

Bavarian, Behzad, Vipan Wahi, Guido Canzona, and Mehrooz Zamanzadeh. "High Temperature Corrosion Behavior of Beta-21S Titanium Alloy." In CORROSION 1993. NACE International, 1993. https://doi.org/10.5006/c1993-93243.

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Abstract Advanced Beta-21S titanium alloy is being considered for future high speed aircraft and hypersonic propulsion system applications due to its strength at elevated temperature and formability compare with any intermetallic compounds. The objective of this investigation was to evaluate the high temperature corrosion behavior of the alloy in air, molten salt and hydrogen gaseous environments and compare it with titanium aluminides and iron aluminides intermetallic compounds. This investigation showed that Beta-21S alloy is extremely oxidation resistant below 870°C (1600°F). Above 900°C du

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2

Conrad, R. K., A. Sheetz, C. Bowles, and R. Simmons. "Evaluating Anti-Galling Thread Treatment for Beta-Titanium Fasteners Exposed to Marine Environments." In CORROSION 1997. NACE International, 1997. https://doi.org/10.5006/c1997-97554.

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Abstract Fasteners for top-side applications on Naval ships have historically been steel fasteners. These fasteners when exposed to marine environments suffer extensive corrosion. Alternatives such as high strength stainless steel, nickel alloy and titanium alloy fasteners are being considered. While these alternative materials offer better corrosion resistance than steel, they can suffer from thread galling when used in the uncoated and/or unlubricated condition. Solid film lubricants such as molybdenum disulfide-impregnated epoxy polyimide have shown anti-galling properties. Additionally, an

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3

Oldiges, Donald, and Scott Hamilton. "Moly Disulfide in Bolting Applications." In ASME 2016 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/pvp2016-63361.

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Molybdenum disulfide (MoS2) is a popular lubricant, however a study completed in the early 1990’s stated that this type of lubricant can lead to stress corrosion cracking (SSCC) of the bolting materials. However, over the past 20 years, many bolting applications using molybdenum disulfide based compounds have been found to provide better galling resistance to the bolt assembly than many other components. It has also been shown to have a few other less desirable traits such as potential for corrosion in specific environments. Therefore, for successful bolting applications one must consider all

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4

Petrash, Kostiantyn, Gennadii Bagliuk, Tetiana Solntseva, Alevtina Mamonova, and Galina Molchanovska. "Features of sintering compositions based on titanium with refractory compounds." In IXth INTERNATIONAL SAMSONOV CONFERENCE “MATERIALS SCIENCE OF REFRACTORY COMPOUNDS”. Frantsevich Ukrainian Materials Research Society, 2024. http://dx.doi.org/10.62564/m4-kp1249.

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Titanium-based powder alloys are of particular interest for aerospace engineering due to their high specific strength, corrosion resistance and other properties. To increase wear resistance, it is usually necessary to introduce solid phases and compounds that ensure heterogenization of the structure and, accordingly, localize the development of plastic deformation. The materials that most effectively resist wear are those that form dissipative structures during sintering [1-3]. They arise in complex physicochemical systems due to the competition of chemical reactions that are observed during i

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5

Podhurska, Viktoriya, Illya Klimenko, Vitaliy Belous, et al. "Study of the tribological properties of MoN cathodic arc coatings applied to steel." In IXth INTERNATIONAL SAMSONOV CONFERENCE “MATERIALS SCIENCE OF REFRACTORY COMPOUNDS”. Frantsevich Ukrainian Materials Research Society, 2024. http://dx.doi.org/10.62564/m4-vp1632.

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The molybdenum nitride coating deposited by the vacuum arc method was one of the first coatings to be used for the protection of machine tools and machine parts. The vacuum arc method allows the deposition of molybdenum nitride with different stoichiometry and crystalline phases of cubic γ-Mo₂N and hexagonal δ-MoN. The binary system of Mo–N offer a high potential to enhance the tribological properties of common hard coatings, owing to their ability to form lubricious oxides (Magnéli phases) at elevated temperatures. However, the application of Mo-N coatings at high temperatures is limited to 5

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6

Babayan, E. "241. Health Status in Workers Occupationally Exposed to Molybdenum and Its Compounds." In AIHce 2002. AIHA, 2002. http://dx.doi.org/10.3320/1.2766170.

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Фатимат Адраевна, Атабиева,, and Отарова, Асият Салиховна. "MOLYBDENUM COMPOUNDS IN THE WATER OF THE RIVERS OF THE CENTRAL CAUCASUS." In Наука и научный потенциал - основа устойчивого развития государства: сборник статей международной научной конференции (Валдай, Ноябрь 2022). Crossref, 2022. http://dx.doi.org/10.37539/221114.2022.11.51.002.

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Тяжелые металлы - широко распространенные загрязнители. Вертикальная зональность исследуемой территории, многообразие подстилающих горных пород и почв водосборных площадей рек предопределяют повышенное содержание тяжелых металлов в воде рек Центрального Кавказа - Малка, Баксан, Черек, Терек, Нальчик, Куркужин и Лескен. В указанных реках методом атомно-абсорбционной спектрометрии с использованием электротермического атомизатора «МГА-915М» определены концентрации соединений молибдена. В воде почти всех рек по соединениям молибдена наблюдаются превышения предельно допустимых концентраций вредных

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8

Smolnik, Sviatoslav, Mykola Shevchenko, Iryna Galstian, Yevheniy Tsapko, and Evgen Len. "Effect of caesium adsorption on the emission properties of (110) and (100) molybdenum surfaces." In IXth INTERNATIONAL SAMSONOV CONFERENCE “MATERIALS SCIENCE OF REFRACTORY COMPOUNDS”. Frantsevich Ukrainian Materials Research Society, 2024. http://dx.doi.org/10.62564/m4-ss2353.

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Improving the emission properties of refractory metals electrodes of thermionic converters (TECs) and emission electronics devices is a challenging but important task [1]. Optimization of the electron work function (φ) for the electrodes’ surfaces and the back current from the anode to the cathode, i.e., the reduction of the electron reflection coefficient (K) from anode, in particular due to the presence of adsorbates (in our case, caesium) on its surface, is one of the main aspects of this task’s solution. To understand the emission properties formation in refractory metals, it is important

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Sheina, O. D., A. S. Daminov, and Yu M. Yukhin. "PRODUCTION OF BISMUTH COMPOUNDS FOR MEDICINE FROM LEAD BISMUTHITE." In XI МЕЖДУНАРОДНАЯ КОНФЕРЕНЦИЯ МОЛОДЫХ УЧЕНЫХ: БИОИНФОРМАТИКОВ, БИОТЕХНОЛОГОВ, БИОФИЗИКОВ, ВИРУСОЛОГОВ, МОЛЕКУЛЯРНЫХ БИОЛОГОВ И СПЕЦИАЛИСТОВ ФУНДАМЕНТАЛЬНОЙ МЕДИЦИНЫ. IPC NSU, 2024. https://doi.org/10.25205/978-5-4437-1691-6-120.

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The possibility of obtaining bismuth compounds for medicine from bismuth lead obtained during the processing of lead, copper, tin and tungsten-molybdenum concentrates by dissolving it in nitric acid, purification of bismuth by precipitation in the form of basic nitrate [Bi6 O5 (OH)3 ](NO3 )5 ∙3H2 O and obtaining compounds of high purity by its interaction with solutions of mineral or organic acids was investigated.

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Matviichuk, Oleksandr, Vasyl Vynar, Vasyl Ivashkiv, Nadiia Ratska та Сhrystyna Vasyliv. "The effect of chromium and molybdenum carbides alloing on corrosion resistance of mesostructure WC-Nі composites in chloride environment". У IXth INTERNATIONAL SAMSONOV CONFERENCE “MATERIALS SCIENCE OF REFRACTORY COMPOUNDS”. Frantsevich Ukrainian Materials Research Society, 2024. http://dx.doi.org/10.62564/m4-om1206.

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Composites of the WC-Ni system are characterized by high wear resistance and crack resistance and are used in the sliding friction pairs [1]. Friction pairs based on WC-Ni alloys work well in such not electrically conductive environments as petroleum products and ammonia, but are not corrosion resistant in electrolytes such as chloride-containing solutions. One solution of the problem is to increase the corrosion resistance of the Ni binder. The aim of the work was to study the electrochemical characteristics of the WC-20 wt% Ni mesostructural alloy with the addition of 1%Cr3C2 and 0.5%Mo2C in

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Звіти організацій з теми "Molybdenum compounds"

1

Spink, D. Synthesis, characterization, and reactivity of sulfided hexanuclear molybdenum cluster compounds. Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/6562551.

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