Academic literature on the topic 'Precious metals based on silver and platinum'

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Journal articles on the topic "Precious metals based on silver and platinum"

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Tatyana, Artyukh, Hryhorenko Inna, Ternova Alla, Yaheliuk Svitlana, Verenikin Oleksii, and Cernavca Mihai. "Identification of white jewelry alloy based on silver and platinum for testing purposes." Eastern-European Journal of Enterprise Technologies 5, no. 12 (113) (2021): 47–59. https://doi.org/10.15587/1729-4061.2021.243179.

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The procedure for the identification of white jewelry alloys based on precious metals, in particular, silver, platinum and platinum group metals with different contents of alloying components, by testing on an assay stone and by the method of X-ray fluorescence analysis has been considered. The methodology for assessing the compliance of silver and platinum fineness in white jewelry alloys of different component composition with the requirements of regulatory documents and the procedure for their identification has been improved. It has been established that the silver fineness in precious all
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Artyukh, Tatyana, Inna Hryhorenko, Alla Ternova, Svitlana Yaheliuk, Oleksii Verenikin, and Mihai Cernavca. "Identification of white jewelry alloy based on silver and platinum for testing purposes." Eastern-European Journal of Enterprise Technologies 5, no. 12(113) (2021): 47–59. http://dx.doi.org/10.15587/1729-4061.2021.243179.

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The procedure for the identification of white jewelry alloys based on precious metals, in particular, silver, platinum and platinum group metals with different contents of alloying components, by testing on an assay stone and by the method of X-ray fluorescence analysis has been considered. The methodology for assessing the compliance of silver and platinum fineness in white jewelry alloys of different component composition with the requirements of regulatory documents and the procedure for their identification has been improved. It has been established that the silver fineness in precious all
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Liberda, Matěj. "Mixed-frequency Drivers of Precious Metal Prices." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 65, no. 6 (2017): 2007–15. http://dx.doi.org/10.11118/actaun201765062007.

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Lack of intrinsic value, hybrid nature of commodities and recent financialization of commodity markets make of understanding precious metals price moves complicated. Predicting future development of precious metals market can be more feasible if we discover what drives these markets and describe nature of the drivers. The aim of the paper is to explain metal price movements by assessing an impact of multiple economic and financial factors. Based on the literature review we study 8 possible macroeconomic and financial drivers. The data are collected from Bloomberg. We use mixed-data-sampling me
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Sadorsky, Perry. "Using Precious Metals to Reduce the Downside Risk of FinTech Stocks." FinTech 3, no. 4 (2024): 537–50. http://dx.doi.org/10.3390/fintech3040028.

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FinTech stocks are an important new asset class that reflects the rapidly growing FinTech sector. This paper studies the practical implications of using gold, silver, and basket-of-precious-metals (gold, silver, platinum, palladium) ETFs to diversify risk in FinTech stocks. Downside risk reduction is estimated using relative risk ratios based on CVaR. The analysis shows that gold provides the most downside risk protection. For a 5% CVaR, a 30% portfolio weight for gold reduces the downside risk by about 25%. The minimum variance and minimum correlation three-asset (FinTech, gold, and silver) p
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Oliveira, Keyla, Rui Dias, Rosa Galvão, Miguel Varela, and Cristina Palma. "Extreme Events Cause Market Efficiency or Inefficiency? Evidence from Precious Metals and Green Stock Indices." Revista de Gestão Social e Ambiental 18, no. 1 (2024): e6375. http://dx.doi.org/10.24857/rgsa.v18n1-118.

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Background: Green investments offer a promising market-based approach to tackling global climate change but are susceptible to risk transmission from multiple assets. Purpose: To examine the multifractality between precious metals (Gold, Silver, Platinum) and green stock indices, such as Clean Energy Fuels, Nasdaq Clean Edge Green Energy, S&P Global Clean Energy and WilderHill Clean Energy, over the period from 1 January 2018 to 23 November 2023. The study aims to answer the following question: Did the events of 2020 and 2022 cause efficiency or inefficiency in the markets analysed? Method
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Krężołek, Dominik. "Estimation of Value-at-Risk using Weibull distribution – portfolio analysis on the precious metals market." Przegląd Statystyczny 68, no. 2 (2021): 38–52. http://dx.doi.org/10.5604/01.3001.0015.2731.

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In this paper, we present a modification of the Weibull distribution for the Value-at- Risk (VaR) estimation of investment portfolios on the precious metals market. The reason for using the Weibull distribution is the similarity of its shape to that of empirical distributions of metals returns. These distributions are unimodal, leptokurtic and have heavy tails. A portfolio analysis is carried out based on daily log-returns of four precious metals quoted on the London Metal Exchange: gold, silver, platinum and palladium. The estimates of VaR calculated using GARCH-type models with non-classical
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BEKAREVA, Svetlana V., and Ekaterina I. ABALTUSOVA. "Mutual influence of prices in the world market of precious metals." Finance and Credit 30, no. 10 (2024): 2223–38. http://dx.doi.org/10.24891/fc.30.10.2223.

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Subject. The article discusses precious metal prices, namely, prices for gold, silver, platinum, and palladium. Objectives. The purpose is to assess factors influencing precious metal prices in the world market, focusing on mutual influence of prices. Methods. The study employs a seasonal autoregressive integrated moving average with exogenous regressors (SARIMAX) econometric model. Results. The obtained econometric estimates for the four models (four precious metals) based on the statistics for 2014–2023 enabled to highlight one factor that is significant for the said precious metals pricing,
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Vokhidov, Bakhriddin, Abdurashid Hasanov, Mirdodojon Babaev, Gayrat Mamaraimov, and Alisher Yandashev. "NEW TECHNOLOGIES FOR PROCESSING TAILINGS OF A COPPER PROCESSING PLANT FOR THE EXTRACTION OF PLATINOIDS." Acta Innovations 52 (May 24, 2024): 51–59. http://dx.doi.org/10.62441/actainnovations.52.6.

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The most important task of the mining and metallurgical industry in the world is the development of technology for the processing of industrial waste from metallurgical industries. In the world, balance ores of precious metals are practically available. This issue develops the processing of man-made waste, refractory ores, off-balance and low-grade dumps. The article considers studies of the material and rational compositions of the tailings of a copper concentrating plant in the conditions of JSC Almalyk MMC, determines the optimal method for tailings enrichment with an increase in the conten
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Vokhidov, Bakhriddin, Abdurashid Hasanov, Mirdodojon Babaev, Gayrat Mamaraimov, and Alisher Yandashev. "NEW TECHNOLOGIES FOR PROCESSING TAILINGS OF A COPPER PROCESSING PLANT FOR THE EXTRACTION OF PLATINOIDS." Acta Innovations 51 (May 24, 2024): 102–10. http://dx.doi.org/10.62441/actainnovations.51.13.

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The most important task of the mining and metallurgical industry in the world is the development of technology for the processing of industrial waste from metallurgical industries. In the world, balance ores of precious metals are practically available. This issue develops the processing of man-made waste, refractory ores, off-balance and low-grade dumps. The article considers studies of the material and rational compositions of the tailings of a copper concentrating plant in the conditions of JSC Almalyk MMC, determines the optimal method for tailings enrichment with an increase in the conten
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Wan, Xingbang, Lotta Kleemola, Lassi Klemettinen, Hugh O’Brien, Pekka Taskinen, and Ari Jokilaakso. "On the Kinetic Behavior of Recycling Precious Metals (Au, Ag, Pt, and Pd) Through Copper Smelting Process." Journal of Sustainable Metallurgy 7, no. 3 (2021): 920–31. http://dx.doi.org/10.1007/s40831-021-00388-6.

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Abstract The recycling and recovery of precious metals from secondary materials, such as waste-printed circuit boards, are an important area of circular economy research due to the limited existing resources and increasing amount of e-waste produced by the rapid development of technology. In this study, the kinetic behavior of precious metals Au, Ag, Pt, and Pd between copper matte and iron-silicate slag was investigated at a typical flash smelting temperature of 1300 °C in both air and argon atmospheres. SEM–EDS, EPMA, and LA-ICP-MS-advanced analysis methods were used for sample characterizat
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Dissertations / Theses on the topic "Precious metals based on silver and platinum"

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Tůmová, Kateřina. "Analýza výkonnosti investičních kovů a mincí." Master's thesis, Vysoká škola ekonomická v Praze, 2012. http://www.nusl.cz/ntk/nusl-116482.

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This project deals with historical precious metals price development as gold, silver, platinum and palladium in connection to analysis of the precious metals investment benefits. There are discussed international market prices and retail prices as well. There is also mentioned the issue of price structure from the premium and other costs point of view, including possible risks coupled with investment. Approximated are also basic terms and forms of investment metals, alternative options of precious metals investment as well. The project also includes the issue of tax investment aspects and othe
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Books on the topic "Precious metals based on silver and platinum"

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Smith, Ernest Alfred. The sampling and assay of the precious metals: Comprising gold, silver, platinum, and the platinum group metals in ores, bullion, and products. 2nd ed. Met-Chem Research, 1987.

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Smith, Ernest A. The sampling and assay of the precious metals: Comprising gold, silver, platinum, and the platinum group metals in ores, bullion, and products. 2nd ed. Met-Chem, 1987.

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Odell, Mike. Gold: A layman's investment manual : a how-to book on picking and choosing. Veritas Research & Pub., 1989.

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R, Brooks R., ed. Noble metals and biological systems: Their role in medicine, mineral exploration, and the environment. CRC Press, 1992.

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Banken, Ralf. Edelmetallmangel und Grossraubwirtschaft: Die Entwicklung des deutschen Edelmetallsektors im "Dritten Reich" 1933-1945. Akademie Verlag, 2009.

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Banken, Ralf. Edelmetallmangel und Grossraubwirtschaft: Die Entwicklung des deutschen Edelmetallsektors im "Dritten Reich" 1933-1945. Akademie Verlag, 2009.

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Leonard, Greg. Metals. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190656010.003.0011.

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Metals and metal products have long been traded on commodity markets. Trading in futures and options, as well as forwards, swaps, and other derivatives, is available for about a dozen metals. Traditionally metals have been divided into precious metals and base metals, used in industrial applications. Today the precious metals silver, platinum, and palladium are also primarily used in industrial applications, while gold is still primarily used as a store of value. CME Group exchanges and the London Metal Exchange are the best-known exchanges for metals derivatives trading. In recent years, trad
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Hoke, C. M. Refining Precious Metal Wastes gold - silver - platinum metals. Metallurgical Publishing Co., 2003.

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Gold Platinum Palladium Silver Other Jewelry Metals. International Jewelry Publications,U.S., 2013.

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Smith, Ernest Alfred. The Sampling and Assay of the Precious Metals: Comprising Gold, Silver, Platinum, and the Platinum Group Metals in Ores, Bullion, and Products. Franklin Classics, 2018.

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Book chapters on the topic "Precious metals based on silver and platinum"

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Oscar, Jaime Restrepo B., and Oliveros Gómez Honorio. "Methodology for Recovery Precious Metals: Gold, Silver and Platinum Group from Electronic Waste." In Recycling of Electronic Waste II. John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118086391.ch11.

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"CHAPTER 13. Precious Metals: Silver, Gold and Platinum-related Metals." In Issues in Toxicology. Royal Society of Chemistry, 2013. http://dx.doi.org/10.1039/9781849737197-00278.

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Dias, Rui, Mohammad Irfan, Rosa Morgado Galvão, and António Morão. "Do Sustainable Energy Stock Indices and Precious Metals Perform as Hedging Assets During Periods of Uncertainty in International Markets?" In Issues of Sustainability in AI and New-Age Thematic Investing. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-3282-5.ch007.

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This study contributes to the literature by examining the links between clean energy stocks and commodities such as gold, silver, and platinum. The purpose was to examine the clean energy stock indices, namely Clean Energy Fuels, Nasdaq Clean Edge Green Energy, S&P Global Clean Energy, WilderHill Clean Energy, and the precious metals Gold, Handy & Harman; Silver, Handy & Harman; and London Platinum over the period from January 1, 2021 to November 23, 2023. The results revealed significant changes in hedging asset characteristics related to the sustainable energy and precious metals
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Hall, Geoff. "Inorganic Chemistry in Pharmacy." In Pharmaceutical Chemistry. Oxford University Press, 2021. http://dx.doi.org/10.1093/hesc/9780198779780.003.0008.

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This chapter analyzes individual inorganic elements that are organized into the alkali and alkaline earth metals, transition metals, zinc and iron, and the precious metals, silver, gold, and platinum, and the lanthanide metals. The non-metals studied here are phosphorus and sulfur. The chapter cites other elements which are important to drug development, drug action, and delivery. The chapter analyzes the chemical properties of an element and its biological function and refers to transition metal ions which are found in biological systems and precious metals which are found in drugs. It identi
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Ekwere, Precious, Miranda Ndipingwi, Chinwe Ikpo, et al. "Precious metal–carbon framework materials for supercapacitors." In Nanoscience. Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/9781839169427-00035.

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Precious metals (PM) have received considerable attention recently due to their corrosion resistance, electrical conductivity, variable oxidation states, and impressive theorized capacitance. However, they are scarce and expensive, and have low cyclic stability, thus limiting their industrial applications. This article discusses extensively the fabrication of ruthenium oxides in their nano form with different carbon nanomaterials. The carbon materials covered are graphene, carbon nanotubes, carbon dots, carbon onions, activated carbon, carbon black and carbon fiber. Additionally, ruthenium nit
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Glahn, Richard Von. "The Origins of Paper Money in China." In The Origins Of Value. Oxford University PressNew York, NY, 2005. http://dx.doi.org/10.1093/oso/9780195175714.003.0005.

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Abstract China’s heritage of coining money is as venerable as that of the Mediterranean world. By the time the first unified empire was founded in late third century B.c., use of money had become fundamental to Chinese economic life. Yet from ancient times the monetary system of China diverged substantially from the traditions of the Mediterranean region and west Asia. In the West, monetary standards were based on precious metals. Silver coin predominated within domestic trade, but gold coin prevailed as the monetary standard of international trade. The high and stable value of gold across tim
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Nzama, Lethiwe, Thanda Sithole, and Sezer Bozkus Kahyaoglu. "Asymmetric TVP-VAR Connectedness Approach: The Case of South Africa." In Business, Management and Economics. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.107248.

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This chapter assesses connectedness of critical financial variables within the South African context. The key variables determining countries’ international financial risk levels are the prices of their main export goods in the international markets. From this perspective, there is a connection between the prices of financialised commodities and precious metals in international markets, the exchange rates of the countries supplying these goods to the world economy and their risk indicators. As a result, a spill-over effect of financial risk increases the stress between the price movements in i
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Gerke, Barbara. "When Ngülchu is not Mercury: Tibetan Taxonomies of 'Metals'." In Soulless Matter, Seats of Energy: Metals, Gems and Minerals in South Asian Traditions. Equinox Publishing, 2016. http://dx.doi.org/10.1558/equinox.29655.

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This article analyses Tibetan ideas of ngülchu (dngul chu), the ‘silver-water,’ which is considered the ‘king among the elixirs.’ Tibetan medical texts have mentioned its processing techniques for medicinal use since at least the twelfth century AD. How did Tibetan physicians classify metals in their key materia medica texts considering textual descriptions that ngülchu could be sourced from water, rocks, plants, and animals? Is it a metal, a precious substance, or something else? Some materia medica classify non-processed metallic mercury as an ‘inanimate cold poison,’ as a ‘precious’ and als
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Enderlin, Dean A. "Epithermal Precious Metals Deposits of the Calistoga Mining District Napa County, California." In Active Geothermal Systems and Gold-Mercury Deposits in the Sonoma-Clear Lake Volcanic Fields, California. Society of Economic Geologists, 1993. http://dx.doi.org/10.5382/gb.16.04.

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Abstract The Calistoga Mining District, is one of three districts in the northern California Coast Ranges, where epithermal precious metals deposits have been economically mined. The district produced over 1.5 million ounces of silver (with lesser amounts of gold, copper and lead) intermittently over a 76 year period. The Palisade and Silverado mines were the two producers of the district. Precious metals enrichment is associated with northeast-striking, en echelon quartz + chalcedony + adularia vein systems, hosted by flows and pyroclastic rocks of die Tertiary Sonoma Volcanics. Basement rock
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Zulfiqar, Anam, Tehreem Ul Wara, Samra Rasheed, et al. "Facilitation of Nanomaterial-based Electrochemical Sensors: Design and Processing." In Advances in Electrochemical Sensor Applications Using Nano-structured Materials. Royal Society of Chemistry, 2025. https://doi.org/10.1039/9781837675289-00437.

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Electrochemical sensors based on nanomaterials have the potential to revolutionize industries such as environmental monitoring and healthcare. These sensors need exact control over synthesis, surface modification, and integration with signal amplification mechanisms because of their enormous surface area, enhanced conductivity, and catalytic qualities. Improved reaction kinetics, less interference from intricate sample matrices, and exact control over sample delivery are all made possible using microfluidic devices in sensor designs. Sensing applications have made a significant contribution to
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Conference papers on the topic "Precious metals based on silver and platinum"

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Zelyakh, Ya D., R. S. Voinkov, K. L. Timofeev, and G. I. Maltsev. "DETERMINATION OF PRETREATMENT EFFECT ON MICROSTRUCTURE OF POLYCOMPONENT RAW MATERIALS CONTAINING PRECIOUS METALS." In XVI INTERNATIONAL CONFERENCE "METALLURGY OF NON-FERROUS, RARE AND NOBLE METALS" named after corresponding member of the RAS Gennady Leonidovich PASHKOVA. Krasnoyarsk Science and Technology City Hall, 2023. http://dx.doi.org/10.47813/sfu.mnfrpm.2023.275-287.

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In today’s context, platinum metals are becoming increasingly important in such areas as automotive industry, electrical engineering, medicine, etc. The number of metals extracted from raw materials is becoming smaller, and they are often difficult to obtain. For JSC «Uralelektromed» platinum group metals (PGM) are byelements in copper electrolytic slime, which is sent for smelting to produce silver-gold alloy (Ag-Au alloy), with Dore alloy being further refined.
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Skrotska, Oksana, and Pavlo Holubiev. "The role of Saccharomyces genus and their metabolites in biosynthesis of nanoparticles." In VI International Conference on European Dimensions of Sustainablе Development. National University of Food Technologies, 2024. https://doi.org/10.24263/edsd-2024-6-37.

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Biological methods of nanoparticle synthesis are environmentally friendly, as well as simple, fast, and cost-effective. Among the various biological systems that can be used for the biosynthesis of nanoparticles, yeast of the genus Saccharomyces has several advantages, since these microorganisms and their metabolites are completely safe for humans, animals, and the environment. In addition, yeast synthesize a large number of biologically active compounds (proteins, enzymes, amino acids, organic acids, vitamins), which can participate in the biosynthesis and stabilization of nanoparticles. When
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Tilz, Anton, Manuel Gruber, Walter Harrer, Michael Engelmayer, Wolfgang Fimml, and Andreas Wimmer. "Alternative Spark Plug Electrode Materials for Economical, Reliable Engine Operation." In ASME 2023 ICE Forward Conference. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/icef2023-109959.

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Abstract Large gas engines used for power generation or transport rely on spark plugs to ignite the fuel-air mixture in the combustion chamber. One focus of recent development work has been on reducing emissions while enhancing the performance of the engine, and spark plugs have been identified as playing a crucial role in this evolution process. Spark plug development has contributed to reducing emissions and lowering fuel consumption. One key factor is the electrode material. For conventional high-performance spark plugs, which consist of precious metal electrodes (e.g., based on platinum or
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D’Cunha, A. "Seabed Mining & Technology." In ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/217080-ms.

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Abstract Humans from time immemorial have been exploring, mining, and utilizing the earth’s minerals to make tools etc. to push their limits and improve their lives. From prehistoric times, when man began mining flint to make hand tools & weaponry, to mining of copper, silver, and gold in the early centuries (B.C), to the current day, humans are extracting earth’s precious minerals to make critical components for smart phones, rechargeable batteries, solar cells, and wind turbines. Due to the ever-increasing demand for these critical electronic components, the need & hunger for preciou
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Конурбаев, А. Е., Г. Н. Ибрагимова, С. К. Курбаниязов, and Г. А. Жаужанова. "COMBINED TECHNOLOGY FOR PROCESSING WASTE DUMPS OF THE BAIZHANSAI MINE." In «АКТУАЛЬНЫЕ ВОПРОСЫ СОВРЕМЕННОЙ НАУКИ: ТЕОРИЯ, ТЕХНОЛОГИЯ, МЕТОДОЛОГИЯ И ПРАКТИКА». Международная научно-практическая онлайн-конференция, приуроченная к 60-ти летию член-корреспондента Академии наук ЧР, доктора технических наук, профессора Сайд-Альви Юсуповича Муртазаева. Crossref, 2021. http://dx.doi.org/10.34708/gstou.conf..2021.22.42.012.

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Статья посвящена теме переработки отвалов рудника Байжансай в Туркестанской области, который, в настоящее время, является местом отходов полиметаллической руды в количестве примерно 6,5 тонн. В материале рассматривается потенциальная возможность применения данных отходов для извлечения полезных компонентов, таких как из цветных металлов - свинец и цинк, из благородных серебро и из редкоземельных - германий, индий, селен, теллур и таллий. При использовании данной переработки можно не только снизить негативное влияние отходов на окружающую среду, но и добыть полиметаллические руды, которые можно
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Willsey, Aliza M., Thomas S. Welles, and Jeongmin Ahn. "Advancements in Nitric Oxide Emission Control With a Perovskite Based Membrane via High Frequency Electric Potential Oscillations." In ASME 2022 Power Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/power2022-85154.

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Abstract Increased concerns over climate change, limited fossil fuel resources, emissions, and poor air quality has created a greater need for sustainable energy systems. The need for increased sustainable energy systems has created largely two cooperative movements: 1) technologies that are considered renewable or more environmentally friendly and 2) higher efficiency. The automotive industry has long been a target for increasing efficiency and decreasing environmentally harmful emissions. The combustion of hydrocarbon fuels results in harmful and reactive incomplete combustion byproducts. Fu
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