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This invention relates to water impervious laminated materials and more particularly to absorbent disposable drapes which are impermeable to the passage of microorganisms and fluids.
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www.freepatentsonline.com/4522203.html
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A water impervious laminated material is described. A preferred embodiment comprises a three-layer plastic film sandwiched between and fuse bonded to two layers of conjugate fibers having a low melting sheath and a high melting core.
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www.freepatentsonline.com/EP0155149.html
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Impervious surfaces are mainly constructed surfaces - rooftops, sidewalks, roads, and parking lots - covered by impenetrable materials such as asphalt, concrete, brick, and stone. These materials seal surfaces, repel water and prevent precipitation and meltwater from infiltrating soils.
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chesapeake.towson.edu/landscape/impervious/what_imp.asp
chesapeake.towson.edu/landscape/impervious/what_imp.asp
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This invention relates to water impervious microfine fiber laminated materials and more particularly to absorbent disposable drapes which are impermeable to the passage of microorganisms andfluids. BACKGROUND OF THE INVENTION;
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www.patentgenius.com/patent/4595629.html
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Manufacturer of plastic decorative building materials and plastic impervious materials suitable for the construction and agricultural industries. We are a Sino-Singaporean joint venture between Shandong Sansu Group and Lobb Heng Pte Ltd, with production and sales centralized at our company.
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shangdong-sansu-group-co.tradenote.net/
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Lake Wynonah Dam is a 92 foot high, zoned embankment. The dam measures 950 feet along the crest impounding a 175 acre reservoir. ... The dam was designed to use locally available borrow materials and contains two primary material zones. The upstream zone, consisting of approximately 2/3 of the dam cross-section,
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stinet.dtic.mil/oai/oai?verb=getRecord&metadataPrefix=h...
stinet.dtic.mil/oai/oai?verb=getRecord&metadataPrefix=html&identifier=ADA068640
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Lake Swiftwater Dam is a 31 + or - foot high zoned embankment containing an impervious core founded in hardpan. The embankment has upstream and downstream slopes of 2.5H:1V and a crest width of 10 feet. ... Accession Number : ADA072902 ... Corporate Author : WOODWARD-CLYDE CONSULTANTS PLYMOUTH MEETING PA...
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stinet.dtic.mil/oai/oai?verb=getRecord&metadataPrefix=h...
stinet.dtic.mil/oai/oai?verb=getRecord&metadataPrefix=html&identifier=ADA072902
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The covering of the soil surface with impervious materials as a result of urban development and infrastructure construction is known as soil sealing. The term i ... The covering of the soil surface with impervious materials as a result of urban development and infrastructure construction is known as soil sealing.
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management.environmental-expert.com/resultEachPressRele...
management.environmental-expert.com/resultEachPressRelease.aspx?cid=27957&codi=33558&idproducttype=8&level=0
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Title A Green Roof Build-Out Analysis for the University of Cincinnati: Quantifying the Reduction of Stormwater Runoff ... Author ROBERTSON, CHRISTINE M ... Degree MCP, University of Cincinnati, Design, Architecture, Art and Planning : Community Planning, 2007.
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www.ohiolink.edu/etd/view.cgi?ucin1179454097
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