aryee et al 2018 mining

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The hazardous nature of small scale underground mining in ...

The small mining sector in Ghana is reported to contribute significantly to the growth of the country (Amankwah et al., 2015, Aryee et al., 2003, Hilson, 2006, Yakovleva, 2007). It offers direct or indirect employment to mostly unskilled or less-skilled individuals from the rural communities where they are practiced, as watchmen, mechanics ...

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Korlah WD Dorko (Environmental Impacts of Gold Mining in ...

caused by iron ore mining in Liberia ( Wilson et al, 2017), not much published data is available on the environmental impacts of gold mining in Liberia. According to Aryee et al 2003, the magnitude of damage caused by gold mining largely depends on …

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Mining the Human Gut Microbiota for Immunomodulatory ...

Within the human gut reside diverse microbes coexisting with the host in a mutually advantageous relationship. Evidence has revealed the pivotal role of the gut microbiota in shaping the immune system. To date, only a few of these microbes have been shown to modulate specific immune parameters. Here …

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A comprehensive and quantitative comparison of text-mining ...

Author summary Text mining has become an integral part of all fields in science. Owing to the large number of articles published every day, it is necessary to employ automated systems to assist in curation, knowledge management and discovery. To date, most systems make use of information collected from abstracts only. Moreover, studies on smaller …

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Digging for Gold or Justice? Misrecognition and ...

12%Footnote 1 Illegal mining is often described as a form of artisanal small-scale mining because of the way it is logistically organized—it involves the use of rudimentary tools, does not require sophisticated technology and involves not more than ten persons per operation (Aryee et al. 2003). While illegal mining operations are logistically ...

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Bansah et al. 2018 Cleaner Production - planetGOLD

auriferous gravel and sand from river banks and beds (Aryee et al., 2003; Gbireh et al., 2007). The nature of tools made the work so labor-intensive thatinformalASMwaspracticed onamuchsmaller scale. More recently, the use of heavy earthmoving equipment and less-expensive, improved mining technology has made the work

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Impact of illegal mining activities on forest ecosystem ...

Aryee et al., 2003. Aryee B.N. Ntibery B.K. Atorkui E. ... Obeng et al., 2018. Obeng E.A. Aguilar F.X. McCann L.M. ... Mining has affected land availability in the study communities as land meant for agricultural activities are being used for mining operations. In addition, the activities of mining through topsoil removal have rendered some ...

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Human insecurities in gold mining: A systematic review of ...

After an ASM operation, the landscape and farming lands are heavily degraded: "leav[ing] behind 'moon-like' landscapes consisting of unstable piles of waste, abandoned excavations and vast stretches of barren land" (Aryee et al., 2003: 135 cited in Kumah and Adum Nyarko, 2018: 143).

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COST-BENEFIT ANALYSIS OF COOPERATIVES TO MITIGATE ...

Artisanal and Small-Scale gold Mining (ASM) is an important economic activity in several gold-rich developing countries around the world (Kahhat et al., 2019). In Ghana, ASM has provided jobs and supported the livelihoods of many rural communities for over a century (Mantey et al., 2016). It is estimated that over 1.1 million people are ...

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Frontiers | Seabed Mining and Approaches to Governance of ...

A growing consensus among marine scientists is that at any scale seabed mining will systematically deplete resources, disturb, damage or remove structural elements of ecosystems, cause biodiversity loss and impact ecosystem services (Le et al., 2017; Van Dover et al., 2017; Boetius and Haeckel, 2018).The scale of potential damage is unknown and hard to predict …

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Mongolia's Economic Prospects: Resource-Rich and ...

3.2 Mining and Nonmining Gross Domestic Product, 2010–2018 74 3.3egistered Mineral Deposits, 2009–2018 R 77 3.4 Exploration and Mining Licenses Granted, 2008–2018 78 3.5 Mining Exploration Spending, 2008–2017 79 3.6 Global Mining Exploration Investment and Ranking, 2018 79 3.7umber of Mining Licenses at the End of 2018 N 80

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Automated data mining of the electronic health record for ...

Automated data mining has several potential advantages over traditional approaches to hospital outbreak investigations. First, the EHR can be rapidly scanned for common exposures among patients with complex hospitalizations. Second, automated data mining allows rapid assessment of the strength of association of suspected exposures.

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PyMethylProcess—convenient high-throughput preprocessing ...

PyMethylProcess is a pip-installable command line interface built using Python 3.6 that interfaces with minfi, ENmix and meffil in R (Aryee et al., 2014; Min et al., 2018; Xu et al., 2016) via rpy2 (Gautier, 2010) to allow users to preprocess and set-up their DNA methylation array data for machine learning, presenting unique methylation ...

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Trends in the Small-Scale Mining of Precious Minerals in ...

Artisanal and Small-scale Mining (ASM), which has been practiced in Ghana for close to a century (Aryee et al., 2003; Hilson, 2003;Owusu-Nimo et …

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PERCEPTION OF STAKEHOLDERS ON THE POSTING OF A …

environment (Aryee et al. 2003). The extraction of the minerals (gold, bauxite, manganese, diamond, clay, etc.), generally, leads to deforestation and stripping of huge volumes of overburden materials to access the ore. This process of mining goes a long way to destroy the landscape and ecosystem and has major environmental impacts.

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Anticipating Cryptocurrency Prices Using Machine Learning

Anticipating Cryptocurrency Prices Using Machine Learning. Laura Alessandretti,1 Abeer ElBahrawy,2 Luca Maria Aiello,3 and Andrea Baronchelli2,4. 1Technical University of Denmark, 2800 Kgs. Lyngby, Denmark. 2City, University of London, Department of Mathematics, London EC1V 0HB, UK. 3Nokia Bell Labs, Cambridge CB3 0FA, UK.

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Ghana's mining sector: Its contribution to the national ...

Today, mining is one of the most important economic activities in many countries ( Walsh et al., 2017), especially in developing countries (Aryee, 2001).Generally, Mining activities have a ...

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Estimation of the return periods of maxima rainfall and ...

2000 (Awotwi et al., 2017, 2018). From 2000, there has been rapid conversion between land-uses with urbanisation increasing by 66.8% in 2004 and 130% by 2016 at the Pra catchment (Awotwi et al., 2017, 2018). The 2015 land-use map was therefore used for this land-use dy-namics between 2001 to 2015 (Awotwi et al., 2017, 2018). In addition, 2

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Geologic and anthropogenic sources of contamination in ...

Howtocite this article Tapia et al. (2018),Geologic andanthropogenicsourcesof contamination in settled dust of ahistoric mining port city in northern Chile: health risk implications. PeerJ 6:e4699; DOI 10.7717/peerj.4699 Submitted 5 February 2018 Accepted 12 April 2018 Published 24 April 2018 Corresponding author Joseline S. Tapia, joseline ...

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Data-Driven Understanding of Smart Service Systems Through ...

keywords, following existing studies (e.g., Xie and Miyazaki2013, Noh et al.2015). For example, Noh et al. (2015) showed that using abstract data rather than description data was effective in their text mining-based patent analysis. They also stated that the analysis result was not sensitive to the part of the documents from

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Competitive Clientelism and the Political Economy of ...

A World Bank-commissioned study concurs, describing the sector's contribution to overall national development efforts as 'disappointing' (Ayee et al., 2011: 6), and the Natural Resource Governance Institute's Resource Governance Index for 2017 assessed Ghana's performance in mining revenue management as 'poor' (NRGI, 2017).

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Tahama Cementplant In Abha - ccebamberg.de

Achat Et Vente Dusines La Fabrizenithion De Briques. Tahama cementplant in abhaew cement plant in saudi arabia taif ryee et al 2003 mining gujaratgenomicsl jouf cement plant abha al ko mill new tec 2400 r achat et vente d usines la fabrizenithion de briques de ciment en france aryee et al 2003 mining. Crushers At Taif Saudi Arabia Jardin

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Perception of Small-Scale Miners on Interventions to ...

et al., 2011). These problems are as the results of the activi-ties of both legal and illegal operators who equally engage in illegal activities. In the words of Baah-Ennumh (2010), ille-gal mining in Ghana connotes all mining activities that take place …

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Small scale mining - menace or prospect for development in ...

Apr 9 2018. Development. ... Debrah Adams . Small scale mining – the extraction of ore from the earth by small groups of individuals with inadequate technical knowledge and no mechanized operations, is an activity that is prevalent in many countries around the world. ... Aryee et al, 2003 also reports that unavailability of credit to ...

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Analysis of Injuries in the Ghanaian Mining Industry and ...

In an analysis of equipment-related fatalities, Kecojevic et al found that the most affected group was of less-experienced miners, that is, those with less than 5 years of mining experience. Similarly, Butani [51] reported that the severity of injuries sustained by coal workers related more to their mining experiences than their age.

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Mercury contamination of soil and water media from ...

Galamsey, a popular term for illegal artisanal small-scale gold mining (ASGM), is widespread in Ghana. It is operationally diverse in its mining and beneficiation processes, has varying scale, footprints and complexity (Owusu-Nimo et al., 2018; Mantey et al., 2016; Hinton et al., 2003; Veiga, 1997). Thus, galamsey can be small, medium or large ...

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Problem Faced by New Mothers in Balancing Work and Family …

children ( Aryee et al.1999, Ng et al,2002). the role pressures from the work and family domains are In this paper, focus has been on new mothers at least one mutually incompatible in some respect i.e. participation in child below the age of 3 years. At this stage, mothers have to the work (family) role is made more difficult by virtue of

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Clinical Quality Improvement and Quality Improvement ...

By doing so, there is a risk that this greatly reduces a study's generalizability to other settings, potentially diminishing the study's usefulness (Baily et al., 2006; Eccles et al., 2003; Handley et al., 2018). This limitation can be mitigated by using a pragmatic RCT design in which the study is conducted in routine practice settings.

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Recherche uO Research: Understanding Discourse on the ...

Since then, total ASM gold production has increased from 2.2% in 1989 to 34% of national production in 2012 (Busumtwi-Sam & Hira, 2018) This ultimately resulted in the formalization of the Small-Scale mining sector through the enactment of the Small-Scale Mining Law, PNDC 218, enacted in 1989 (Aryee et al. 6 2003, page 132).

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(PDF) Water Pollution Resulting From Mining Activity: An ...

2007; Li et al., 2014; Li et al., 2015; Xiao et al., 2017; Sun et al., 2018). Surface and groundwater pollution is one of the noteworthy impacts of mining ac tivities (Hudson, 2012) as depicted in ...

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A review from environmental management to environmental ...

For example, an essential accomplishment of the 1986 Minerals and Mining Law was the creation of the Minerals Commission to govern mining operations and democratize the mining environment and make sure that the ecosystem is not destroyed (Tuokuu et al. 2018; Addy 1998; Aryee 2012).

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Empirical study on the effective factors of social ...

From Aguilera et al.'s (2007) and Salehi et al.'s (2017) point of view, researchers still disagree on fundamental topics of what establishes social responsibility. For example, CSR contains economics, law, ethics and philanthropic expectations of business units that extend to all beneficiaries (Salehi et al., 2017).

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Assessment of Environmental Impact Awareness of Mining in ...

Mining activities have potential adverse impacts, including indiscriminate vegetation loss and degradation of farmland (Boadi et al., 2016), river sedimentation, inadequate waste management, abandonment of excavated pits, and lack of reclamation (Bansah et al., 2018).

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Mining and biodiversity: key issues and research needs in ...

Nakajima et al. mapped global flows of mineral demand for three metals (iron, copper and nickel) and almost half of the consumption of these metals over the past two decades has occurred in China, the United States and Japan. China has embarked on a very deliberate strategy driven by state-owned enterprises for minerals security through ...

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