Blasting is the most accepted and practiced technique for the breakage of rock During blasting the energy transformation takes place in the explosive Rock breakage during blasting process is accompanied by the generation of ground vibrations noise dust fumes and flyrock The environmental impacts of ground vibrations noise and flyrock pose a
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— Final Environmental Impact Assessment Report of Zinzarka Limestone Mine 2016 Mantec Davis SE V an Lent T 2010 Hydrochemical impacts of limestone rock mining Water Air Soil Pollut 217 1
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— An impact crusher is rarely used with hard rock materials due to wearing Commonly an encapsulated sieve is adopted together with every crushing unit apart from the primary crusher Especially the third aspects the environmental impact of quartz sand has attracted more and more attentions in recent years For example a Atmospheric
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— The impact of environmental information disclosure on the risk of stock price crash—take the pharmaceutical industry as an example Haoyang Chen School of Social Science University of California Irvine USA Corresponding author e mail haoyac2 Keywords Environmental information disclosure; share price collapse;
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— Environmental impacts of ground vibration induced by blasting at different rock units on the Kadikoy Kartal metro tunnel Author links open overlay panel Umit Ozer Show more Different rock formations in this tunnel route were encountered during the excavation with blasting As a first stage the test site is divided into 6 main regions
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— The most important tool to evaluate the environmental impact of bioplastics and/or conventional plastics is life cycle assessment LCA or cradle to grave analysis a process that can help determine the overall impact of a bioplastic on the environment at each stage in its life cycle [115 116]
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— The impact of climate change can also be observed in models by simulating the effects of different concentrations of greenhouse gases on variables such as wind rainfall temperature and air pressure Past models used to prove that there is a relationship between climate change and extreme environmental events were not always
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— Continental shelves also contain huge deposits of phosphorite phosphate rock or rock phosphate a non detrital sedimentary rock which is also an important source of REE To develop other sources of REE and reduce the environmental impact of their isolation there is a clear cut need for new separation technologies that reduce the cost of
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— The odd ratio means that with the increase of speed limit the odds of a crash being a fatal/serious injury crash will also increase If the speed limit increases by 10 mph the odds will increase about times 5 Conclusion This study quantified the impacts of several roadway and environmental factors on traffic crash severity
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— Revetments have altered the front beach morphology thereby changing the morphological behavior Reference [45] argued that sloping rock revetments created less environmental impact than vertical concrete seawalls because the rocks could absorb rather than reflect the wave energy Waves penetrated into rock voids are not reflected and it is
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— Concrete waste CW recycling stands as a promising strategy to promote sustainable construction practices This research aims to assess the feasibility of using recycled concrete aggregates RCA as a surrogate for natural aggregates NA in concrete applications and reduce the environmental impact associated with the depletion of natural
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— The purpose of this paper is to estimate the environmental impact of the construction of 1 km of double track high speed railway tunnel for five different Rock Mass Rating RMR classes using the Life Cycle Assessment LCA methodology The LCA is performed for seven selected environmental impact categories using a tool developed by
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— Quarries where mechanical extraction and processing for rock products including aggregates and ornamental stone occur are integral for infrastructure projects worldwide To identify significant environmental aspects that should be considered in comprehensive environmental assessment for quarry stakeholders a systematic
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— Climate change poses an urgent threat demanding decisive action Communities around the world are already experiencing increased climate impacts from droughts to floods to rising seas The World Economic Forum s Global Risks Report continues to rank these environmental threats at the top of the list
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— cally related to human impacts on karst Publications addressing human impacts on karst include a special sup plement of the journal Catena entitled Karst Terraines Environmental Changes and Human Impact Williams 1993 ; a special issue of Environmental Geology with the theme of addressing Environ mental Change in Karst
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— The Stone limestone and Marble trade name Industry SMI is one of the most important and active industries in Palestine as being economically and financially rewarding and greatly beneficial to the public and private sectors This industry which employs about 15 000 20 000 workers contributes 20 25% to the total industrial
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— Continental shelves also contain huge deposits of phosphorite phosphate rock or rock phosphate a non detrital sedimentary rock which is also an important source of REE To develop other sources of REE and reduce the environmental impact of their isolation there is a clear cut need for new separation technologies that reduce the cost of
— Environmental social and governance ESG have been successfully incorporated into the financial mainstream recently Reflecting upon this publicly traded firms are being increasingly ESG rated and a voluminous body of research has emerged seeking to investigate the implications of such ratings for crash risk and stock
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— Impact crushers primary and secondary machines for soft and medium hard materials High reduction ratios Can eliminate need for a tertiary crushing stage Spare and wear parts genuine parts always close to you no matter where you are located worldwide Vertical shaft impactors helps shape the rock to high quality aggregates
— Environmental social and governance ESG have been successfully incorporated into the financial mainstream recently Reflecting upon this publicly traded firms are being increasingly ESG rated and a voluminous body of research has emerged seeking to investigate the implications of such ratings for crash risk and stock
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