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701
Development of the Agricultural Biogas Market in Poland – Production Volume, Feedstocks, Activities and Behaviours of Farmers
Published 2019-03-01“…The main purpose of this study is to analyze the volume of agricultural biogas production in Poland and the structure of consumption of raw materials used for production of agricultural biogas. …”
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702
A novel technique to synthesis of tenorite (CuO) nanoparticles from low concentration CuSO4 solution
Published 2011-01-01“…Using this method, Cuo nanoparticles could be produced without using organic solvent, expensive raw materials, and complicated equipment.…”
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703
Analysis of scientific production on environmental risk assessment in ecosystems with a circular economy
Published 2024-12-01“…In this scenario, the circular economy makes it possible to reuse raw materials and reduce waste. The objective of the research is to analyze the scientific production related to the evaluation of environmental risks in ecosystems with a circular economy approach. …”
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704
Sustainable Development and Renewable Energy Sectors: Selected Indicators in European Union and Poland
Published 2018-12-01“…The results of the survey demonstrated Poland’s prominent place in the sector of liquid biofuels (1st place in EU), thanks to the significant supply of raw materials as well as development perspectives in solar energy, which is confirmed by the world's statistics indicating a record number of photovoltaic installations fitted (PV).…”
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705
Entre sables et pierres : s’alimenter et boire dans les villages néolithiques d’une zone refuge saharienne de Mauritanie sud-orientale
Published 2014-12-01“…Meals were prepared in the compounds by means of ustensils shaped in the local raw materials. Architectural, material and artistic remains testify of the circulation of foodstuffs and of the transmission of the know-how throughout these cliffs. …”
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706
Comparative evaluation of the energy and economic efficiency of vapor compression heat pumps in modernization of large chemical and oil refining industries. Part 1
Published 2023-06-01“…The question of the feasibility of increasing the energy efficiency of large chemical and oil refining industries by replacing furnace heaters of process heat carriers and raw materials with vapor compression heat pumps is considered. …”
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707
Failure Analysis for Teeth Broken of a Gearbox
Published 2020-05-01“…Abstract For the phenomenon of broken teeth in the transmission, the causes are analyzed. The gear raw materials chemical composition, non-metallic inclusions, heat treatment hardness, carburized layer thickness, metallographic structure are checked. …”
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708
Assessing business activity of the Russian industry
Published 2024-12-01“…The relevance of the study is due to the fact that, despite the difficult economic and political situation for the Russian industry and the economy as a whole, there are problems not only with the arrival of foreign raw materials and goods in the domestic market, but also with the smooth operation of industry. …”
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709
Screening and Characterization of High Protein Yeast with Excellent Stress Tolerance
Published 2025-01-01“…Yeast strains were isolated and identified under acidic conditions (pH 3.5), from fermented flour, bovine rumen chyme, corn steep liquor, and other raw materials. Through the determination of the growth performance, bacterial protein and flavor of the strains, a promising high-protein yeast strain was identified as a potential strain for yeast protein processing. …”
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710
A Survey of Mycotoxin Contamination in Fermented Condiments and the Biological Methods for Its Reduction
Published 2025-01-01“…The types and pollution status of mycotoxins in different fermented condiments vary both domestically and internationally, which can be attributed to the disparities in raw materials, geographical locations, seasons, and other factors. …”
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711
Investigation of Fresh and Hardened Characteristics of Self-Compacting Concrete with the Incorporation of Ethylene Vinyl Acetate and Steel-Making Slag
Published 2019-01-01“…Advancement in the construction industry causes decline in the availability of natural resources, and this decline can be overcome by utilization of the available raw materials. This study is focused on the combined effects of ethylene vinyl acetate (EVA) and ladle furnace slag (LFS) on fresh and hardened characteristics of self-compacting concrete (SCC) by replacing some fraction of cement and sand. …”
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712
Uji Kandungan fitokimia dan Etnobotani Tumbuhan Obat Tradisional Berbasis Pengetahuan Lokal di Kecematan Lambitu Kabupaten Bima
Published 2019-11-01“…Parts of medicinal plants used as raw materials that have medicinal properties in the form of leaves 40%, rhizomes 28%, Fruit 12%, stem 8%, roots%, sap or lenders 4%. …”
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713
Challenges in biomass valorization by olefin metathesis
Published 2024-08-01“…The production of biosourced intermediates from renewable raw materials represents a hot topic for the scientific community, which is engaged in the development of more efficient and sustainable processes. …”
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714
New insights into the Mesolithic and Neolithic layers of the Darkveti rock shelter in the Imereti Region, Western Georgia
Published 2025-01-01“…Additionally, the analysis of stone tools and lithic raw materials will shed light on technological developments and possible connections with neighbouring regions. …”
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715
Energy crisis of 2021–2022 as a harbinger of a change in the global energy system
Published 2024-12-01“…The prerequisites for forming a new energy mode based on the increasing share of renewable energy sources and hydrogen raw materials in the energy production structure have been highlighted. …”
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716
Accuracy of PVSyst Simulations in the Reproduction of the Yield Performance of Multicrystalline, Monocrsytalline and Monocasting Modules in Outdoor Conditions
Published 2025-02-01“… In this study we performed field tests on three small installations consisting of 12 modules each and next to each other, all of them using exactly the same manufacturing technology for cells and modules and employing the same manufacturing equipment and raw materials. The only difference between the systems was the wafer technology used. …”
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717
Processing Agroindustry By-Products for Obtaining Value-Added Products and Reducing Environmental Impact
Published 2022-01-01“…It also exposes the main chemical, physical, and biochemical treatments for converting by-products into raw materials with added value through low environmental impact processes. …”
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718
Influence of external impacts on the dynamics of the industrial structure of gross regional product
Published 2020-12-01“…Secondly, the study ascertains that regions, which have a high share of the raw materials industry and a low share of trade, transportation, and the financial sector, are more resistant to the consequences of the spread of coronavirus infection. …”
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719
Agricultural and Forest Residues towards Renewable Chemicals and Materials Using Microwave Liquefaction
Published 2019-01-01“…Renewable chemicals, polyurethane foams with partial use of renewable raw materials, and phenolic resins have been the main products from microwave-liquefied products. …”
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720
Study on Preparation of Coal Gangue-Based Geopolymer Concrete and Mechanical Properties
Published 2021-01-01“…Alkaline dry powder activator, coal gangue, fly ash, and other raw materials are utilized to prepare coal gangue-based geopolymer concrete. …”
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