Marc Edwards – författare
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7 produkter
Reiki, Yoga, Meditation & Yagyas:New Age Practices
Techniques for Living in the New Millennium
Av Marc Edwards
E-bok, 2005
120 kr
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Reiki, Yoga, Meditation and Yagyas, presents a case for practicing these ancient disciplines. While many people are meditating, some have had difficulties with meditation because they were not doing Hatha Yoga. It is essential to do yoga & meditation to obtain the best results. Reiki is useful as …
Autogenous Healing of Concrete in the Drinking Water Industry
Av J. Parks, Marc Edwards m. fl.
Häftad, 2008
2229 kr
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Little research expenditure has gone towards the investigation of processes responsible for the corrosion of concrete drinking water infrastructure. One important mode of attack on concrete involves access of corrosive water to underlying reinforcing steel through cracks. Under some circumstances …
Assessment of Non-Uniform Corrosion in Copper Piping
Av Marc Edwards, P. Scardina m. fl.
Häftad, 2008
2229 kr
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Copper pitting that manifests into a pinhole leak greatly shortens the usable lifespan of potable plumbing pipes. The resulting leak can damage housing infrastructure and other valuables or potentially lead to mold growth. Homeowners, in turn, are adversely impacted by pinhole leaks and bear the …
Performance and Metal Release of Non-Leaded Brass Meters, Components and Fittings
Av Anne Sandvig, Glen Boyd m. fl.
Häftad, 2007
1675 kr
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Leaded brass has historically been used in potable water systems, however it has been found to leach lead under certain circumstances and therefore alternative non-leaded brass has been developed. Non-leaded brass is defined as brass with no lead added, which typically equates to a lead content of …
Disposal of Waste Resulting from Arsenic Removal Processes
Av D. Cornwell, M. MacPhee m. fl.
Häftad, 2004
1675 kr
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There are a number of treatment techniques that can effectively remove arsenic from drinking water. It is essential for utilities that are in the process of selecting an arsenic removal treatment technology to also identify the types of residuals that would be generated, their expected arsenic …
Enhanced Coagulation Impacts on Water Treatment Plant Infrastructure
Av Marc Edwards, P. Scardina m. fl.
Häftad, 2005
1639 kr
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New USEPA regulations require changes to water treatment that can accelerate infrastructure degradation. One recent regulation of particular concern in this regard is the Enhanced Coagulation Rule, which requires improved removal of Total Organic Carbon (TOC) from water supplies. One of the most …
Occurrence Survey of Boron and Hexavalent Chromium
Av Michelle Frey, C. Seidel m. fl.
Häftad, 2005
1675 kr
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Only limited information existed about the occurrence of boron and chromium in drinking water sources prior to this project. In addition, chromium speciation in drinking water sources was not well understood. In fact, due to analytical method deficiencies, previous field sampling experiences had …