Nigeria is rich is solid mineral resources, such as: Kaolin, gypsum, mica, clay, tantalite, iron ore, gemstone, silica sand.
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Recycling concrete &building rubble is not only able to bring profit to investors, but also good for environment protection.
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By absorbing the advanced technology from the world, we researched and designed PF series impact crusher.…
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Base on the plentiful experience of producing and marketing of impact crusher, Sofol R&D institution…
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Adopting technology from the world, PY Series spring cone crusher has an excellent performance in secondary…
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The vibrating screen is a kind of sieving equipment of international advanced level, developed by our…
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Sofol VSI Series vertical shaft impact crusher is designed by reputed German expert of Sofol and every…
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1. Global full-time labor shortages. The fewer available resources you have, the trickier resource capacity planning becomes—and the COVID-19 pandemic kicked off massive waves of resignations around the globe. The Organization for Economic Cooperation and Development found that, by 2021, there were 14 million more …
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Geotechnical factors include in-situ mechanical properties of the orebody and country rocks, the geological structure of the rockmass, the ambient state of stress and the hydrogeological considerations in the zone of potential mining …
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The analysis of the hydrochemical characteristics of different water bodies in coal mining areas and the influencing factors is of great important for sustainable water resources management and the regulation of water hazards. This study analyzed 22 sets of samples of mine water (MW), accumulated water (AW) from the surface subsidence …
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Factors infuencing the sensitivity of ultrasound and gamma location of the parathyroid adenoma Cir Esp (Engl Ed). 2020 Jan;98(1) :18-25. doi ... The factor that improved localization of the glands by US in the multivariable analysis was the absence of a concomitant thyroid pathology. The factor that improved the MIBI-PS results was a …
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Based on real-time monitoring data of harmful gasses during blasting and excavation of Yuelongmen Tunnel on Chengdu–Lanzhou Railway, this study summarized laws and distribution characteristics of harmful gas escape intensified by the blasting excavation, and the effectiveness of shotcreting and grouting for water blocking to inhibit …
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The Mechanism and Influencing Factors of Herding Effect of College Students' Network Public Opinion ... China221116, Zhang Yan China University of Mining and Technology, No. 1 University Rd. Xuzhou, Jiangsu, China221116 & An Bowen School of Social Development, Central University of Finance and Economics, Beijing, …
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This paper establishes hybrid entrepreneurship as an effective learning ground and path toward full-time entrepreneurship.,Providing insights into the factors that influence the transition, allows policy makers to establish systems and incubators to support hybrid entrepreneurs reach the tipping point at which they have sufficient knowledge to ...
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Conceptual framework systematizing factors that influence the use of ICT for education purposes (adapted from Biagi & Loi, 2013). Note. Own elaboration based on Biagi and Loi (2013). a "Ratio ...
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The spatial variability in soil water content in the Daliuta mining area in western China was studied before and after coal mining using ground penetrating radar and geostatistical methods. The relationships among soil water content, soil physical properties, topographical factors, and vegetation density were analysed using classical …
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An investigating on the ritual elements influencing factor of decorative art: based on Guangdong's ancestral hall architectural murals text mining. November 2023; Heritage Science 11(1)
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The set of location factors affecting the mine location is considered and the method of approach briefly described. The application of the method for the simple …
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Articles that reported on studies conducted in a location that had mandatory reporting legislation specific to CM and had a study population sampled from primary care were included in analysis. Thirty-three articles met the inclusion criteria. This review found that four principal factors influenced the decision to report CM: personal threshold ...
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Unpacking the forces influencing the future of the mining industry can help make sense of complexity, better situate how risks manifest themselves, and improve our understanding of how to navigate …
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sbm factors infuencing the location of miningfactors infuencing the location of mining Factors that drive your remuneration in the workplace.About Susan Kihn Susan Kihn is a Mining Talent Expert at CareerMine.She has over 20 years' experience in the recruitment industry,having worked for major companies in South Africa where she also ran her …
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Geographical location factors include regionalism and inter-regional association factors. ... These industries include: coal mining and washing industry, petroleum and natural gas mining industry ...
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Industry-external drivers that will shape the future of mining will disproportionately affect women: Extreme weather and rising temperature, worsening …
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The AHP multi‐criteria decision‐making methodology is used to assess the weights attached to each of the 30 factors influencing hotel investment decision‐making., – The main factors influencing hotel investment decision making were financial (weight of 37.0 per cent) and location (29.9 per cent) factors.
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Currently, heavy metal pollution in landfill waste is an extreme cause of global concern because of its significant environmental impacts [].Heavy metals, which are recalcitrant and ubiquitous, are considered a major class of hazardous compounds with a density greater than 5 kg/m 3 and have adverse effects on human health [].Heavy …
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Learner satisfaction is the degree of consistency between learners' perception and expectation of learning experience. In massive online open courses, analyzing the influencing factors of learner satisfaction is of great significance to improving the quality of course development and learning experience. Taking the open course …
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These factors make mining less productive and less profitable: The high temperatures in some underground mines create difficult working conditions and this decreases productivity. ... Factors affecting the location of an industry When deciding where to site an industry, the following two factors are the most important:
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Despite the rising interest in understanding the population flows across cities, few empirical studies have paid close attention to their network characteristics and determining factors. Using the Tencent Location Big Data, this paper first analyzes the spatial patterns of interregional population mobility among 328 Chinese cities and aims …
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It includes both the location of the plant and the facilities within the plant. Generally, the location decision is taken to set up a new plant, relocate or expand the existing plant. The decision depends on several factors that impact the business in the short and long run. These factors may be the industry's size, nature and product.
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China's Provincial Environmental Efficiency Evaluation and Influencing Factors of the Mining Industry Considering Technology Heterogeneity January 2020 IEEE Access 8:178924-178937
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factors affecting the adoption of sustainable innova-tions. Moreover, when these f actors were examined, the results were inconsistent. For example, N astis . et ...
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The mining industry has promoted the process of industrialization in China, and the current consumer demand for mineral products is still very large. ... {China's Provincial Environmental Efficiency Evaluation and Influencing Factors of the Mining Industry Considering Technology Heterogeneity}, author={Yongqiu Xia and Xiangqian Wang and ...
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Factors Affecting Location Decisions. Managers of both service and manufacturing organizations must weigh many factors when assessing the desirability of particular locations, including their proximity to customers and suppliers, labor costs, and transportation costs. Managers generally can disregard factors that fail to meet at least …
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The main factors influencing the selection include the occurrence condition of ore bodies, technical condition of mining, the value of the ore, working environment …
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Microorganisms diversity and structure analysis of the rhizosphere soil. Microbial communities' alpha diversity (Chao1, Shannon, and Simpson) was calculated for soil samples from different areas ...
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Accidental oil spills in ocean may occur during exploration, production, transportation and use. The spilled oil frequently reaches shoreline where it may harm more or less the ecosystem depending on the physicochemical properties of spilled oil. Here, we review the physicochemical behavior of petroleum hydrocarbons, such as crude oil and refined …
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PE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
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