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    [发明专利]JP19800019592 _ NOGYO KIKAIKA KENKYUSHO 1980年02月19日
  • [发明专利]WO1980US01743 _ LEAS A 1980年12月29日
    Hot water-solid fuel gravity separation feed preparation unit (492) to float organic solids to a water evaporator (514) and to facilitate organic mud pumping to a coal gasification, treating, and particulate-removal reactor (758). The reactor yields a...
  • [发明专利]WO1980US00429 _ BODENRADER B 1980年04月16日
    Manure from stockyards is treated in a single step by the addition of both a bacteria (L. plantarum) and a fermentable carbohydrate (lactose). The pH of the treated manure falls to below 4.0. The manure without more is acceptable as landfill or with f...
  • [发明专利]US19800146950 _ MOORE, JR., WILLIAM P. 1980年05月05日
    Storage-stable, concentrated aqueous solution of nitrogenous compounds consisting essentially of urea and monomethylol urea singularly suited for the foliar feeding of plants. Upon application to a plant the urea content of the solution is quickly ava...
  • [发明专利]US19800151882 _ STANDARD OIL COMPANY (INDIANA) 1980年05月21日
    A dispersion of up to about 70 weight percent elemental sulfur in an aqueous ammonia solution of at least one metal compound selected from the group consisting of soluble zinc and magnesium compounds has reduced corrosive activity toward ferrous metal...
  • [发明专利]US19800120949 _ TENNESSEE VALLEY AUTHORITY 1980年02月12日
    Crystalline urea phosphate mixed with sufficient quantities of previously produced urea-ammonium polyphosphate liquid to provide fluidity is pyrolyzed batchwise in one stage to give molten urea ammonium polyphosphate containing up to 50 percent of the...
  • [发明专利]US19800164693 _ MITSUBISHI CHEMICAL INDUSTRIES, LIMITED 1980年06月30日
    A briquetted fertilizer for forest fertilization having a volume of from 5 to 100 cm3 which comprises compression molded granular isobutylidene diurea and heavy mineral oil.
  • [发明专利]US19800186836 _ LOWE'S, INC. 1980年09月15日
    An agglomeration process in which clay fines alone or in combination with other materials are agglomerated to a usable pellet size for a variety of marketable end products. The clay fines are collected, prepared and blended with conditioners and/or ot...
  • [发明专利]US19800185866 _ BAYER AKTIENGESELLSCHAFT 1980年09月11日
    The present invention relates to new azulmic acids stabilized by condensation with carbonyl compounds, several processes for their preparation and their use for various purposes.
  • [发明专利]US19800219582 _ MARQUEZ, JUAN U. 1980年12月23日
    +PG 1 A process for producing a soil improving composition comprising fermenting gelidium type marine algae with various nutrients and regulating agents, the product of this process, and the application of this product to depleted farmland.
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