Search Results - "Earth"
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Effect of earth grid conductor spacing on the safety criteria of substation earthing
Published 2014“…Site dependent parameters such as soil resistivity, maximum grid current, fault duration, shock duration, surface layer material resistivity, and grid geometry have substantial impact on the design and performance of an earth grid. The grid geometry, i.e. the area occupied by the grid system, conductor spacing and the depth of burial of earth grid specifically have much impact on the mesh, step, touch voltage and earth potential rise, while parameters such as the conductor diameter and the thickness of the surfacing material have less impact on the safety criteria. …”
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Effect of earthing material water content on the resistivity and corrosion behaviour of earthing electrode
Published 2018“…Electrical earthing systems main purposes is to disperse flow of charge to mother earth within the shortest time possible at the event of lightning or fault. …”
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Reduction of earth grid resistance by addition of earth rods to various grid configurations
Published 2016“…Achieving low earth grid resistance is highly desirable in power distribution substations design. …”
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Conditioned duality of the Earth system: Geochemical tracing of the supercontinent cycle through Earth history
Published 2016“…The balance between constructive versus destructive processes in the formation and recycling of continental crust over Earth history – or crustal growth – remains contentious; whereas some advocate continuous continental growth, others suggest episodic growth predominantly during periods of supercontinent assembly. …”
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Google the earth: what's next?
Published 2010“…Sensing the Earth has proven to be a tremendously valuable tool for understanding the world around us. …”
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Electrical earthing in troubled environment
Published 2013“…Practical challenges of electrical earthing in both steady and transient states have been revisited. …”
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An Earth increasingly full of uncertainties
Published 2008“…On April 22, the world celebrated Earth Day, a global environmental event which began in 1970. …”
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An overview on rare earth management in Malaysia
Published 2015“…The demand for rare earth elements (REEs) are rapidly increasing each year. …”
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An overview on rare earth management in Malaysia
Published 2016“…The demand for rare earth elements (REEs) are rapidly increasing each year. …”
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Linking Atmospheric Oxygenation to the Deep Earth
Published 2020“…This thesis proposes a model for the co-evolution of the Earth’s interior and surface environment. Specifically, this model suggests that the emergence of continents above sea-level 2.4 billion years ago led to a flush of nutrients into the oceans providing a boost for photosynthetic bacteria. …”
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Solar wind contributions to Earth’s oceans
Published 2021“…The isotopic composition of water in Earth’s oceans is challenging to recreate using a plausible mixture of known extraterrestrial sources such as asteroids—an additional isotopically light reservoir is required. …”
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