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  • [发明专利]US19770808457 _ AIDE, RICHARD J 1977年06月21日
    The invention comprises a pumping device for pumping water from the bottom of a lake or reservoir. The device has a raft with pipe means pivotably mounted to the raft. A rotatable shaft is mounted to the raft having a propellor at its lower end locate...
  • [发明专利]US19770764255 _ UOP INC. 1977年01月31日
    A process for recovering potable water from a source of salinous water - e.g. sea and/or ocean water. Certain modifications afford the simultaneous generation of power. A portion of salinous water and an air stream are introduced into a solar radiatio...
  • [发明专利]US19770793226 _ GENERAL ELECTRIC COMPANY 1977年05月02日
    A process aid for fluorosilicone compositions and polymers to prevent such polymers in the uncured state from sticking or partitioning on processing equipment comprising adding to the fluorosilicone polymer composition from 2 to 25% by weight of a non...
  • [发明专利]US19770791044 _ LEVY, SIDNEY 1977年04月26日
    A solar energy collection and utilization storage system is constructed by using a lenticulated transparent element closed at the back to form channels which are used to carry an energy storage fluid. The lenticulations are designed as light trapping ...
  • 5.
    [发明专利]JP19770063155 _ 1977年05月30日
  • [发明专利]DE19772728392 _ REPPERT,RUEDIGER LOTHAR VON,DIPL.-ING. 1977年06月24日
    Several water wheels proportioned for the volume flow in a river are connected by gear wheels to electrical generators. The assembly is mounted on a frame equipped with floats so that depth of immersion of the wheels does not vary with the water level...
  • [发明专利]CH19770004661 _ DORNIER SYSTEM GMBH METALLGESELLSCHAFT AG 1977年04月14日
    A solar collector panel absorbing incident solar energy at a high rate while radiating only a small portion of the absorbed energy comprises aluminum or an aluminum alloy as a continuous metallic substrate carrying an anodized oxide layer not substant...
  • [发明专利]JP19770043439 _ DORNIER SYSTEM GMBH METALLGESELLSCHAFT AG 1977年04月15日
    A solar collector panel absorbing incident solar energy at a high rate while radiating only a small portion of the absorbed energy comprises aluminum or an aluminum alloy as a continuous metallic substrate carrying an anodized oxide layer not substant...
  • [发明专利]JP19770063155 _ HOCHSTEIN PETER A 1977年05月30日
  • [发明专利]US19770820983 _ BECHTEL INTERNATIONAL CORPORATION 1977年08月01日
    A multi-effect system for using the heat, water and solids content of geothermal brine to produce useful work, fresh product water and inorganic salts. A flash separator receives brine from a geothermal well and provides the initial steam forming the ...
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