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    • 57. 发明公开
    • Granular fertilizer with a decomposable coating and process for producing the same
    • 的颗粒肥料具有可分解涂层及其制备方法。
    • EP0255752A2
    • 1988-02-10
    • EP87201492.3
    • 1987-08-04
    • Chisso Corporation
    • Fujita, ToshioYamashita, YoshisatoYoshida, ShigemitsuYamahira, Katsutoshi
    • C05G3/00
    • C05G3/0029C05G3/0041
    • A granular fertilizer with a coating which is decomposable by soil microorganisms, preferably a coating which is decomposed and degraded both on the surface layer of the soil and in the soil, and a process for producing the granular fertilizer , which coating contains a poly 3-hydroxy-3-alkylpropionic acid as an indispensable ingredient, and if necessary, a resin or a low-molecular resin and further, if necessary, an inorganic or organic powder, and which process comprises adding an organic solvent solution of the poly 3-hydroxy-3-alkylpropionic acid, and if necessary, the resin, and if necessary the powder (dispersed in the solution) to a granular fertilizer in fluided state in the form of spray, and when added, blowing a high speed hot air stream onto the fertilizer to thereby instantaneously remove the solvent and also dry the resulting fertilizer.
    • 有涂层的颗粒肥料,所有这些是由土壤中的微生物分解性,优选的涂层全部被分解和退化的两个土壤的表面层上,并且在土壤中,以及用于生产所述颗粒肥料的方法,该涂层包含聚3- 羟基-3-烷基丙酸作为不可缺少的成分,和如果需要,无机或有机粉末的树脂或低分子量树脂和进一步,如有必要,和该方法包括加入所述的聚有机溶剂溶液的3-羟基 -3-烷基丙酸,并在必要时,树脂,以及如果必要,粉末(分散在溶液中),以颗粒肥料在fluided状态喷雾的形式,和添加时,吹高速热空气流走上 肥从而瞬间去除溶剂和干燥,以便所得的肥料。
    • 59. 发明公开
    • Free-piston motor with hydraulic or pneumatic energy transmission
    • Freikolbenmotor mit hydraulischer oder pneumatischerÜbertragung。
    • EP0254353A1
    • 1988-01-27
    • EP87201312.3
    • 1987-07-09
    • De Rotterdamsche Droogdok Maatschappij B.V.
    • Stuyvenberg, Paulinus Franciscus
    • F02B71/04F04B17/00
    • F04B17/05F02B71/045F02B75/04F02B2075/025
    • A free-piston motor with hydraulic or pneumatic energy transmission comprising at least one free-piston unit designed for intermittent operation using always the same optimal cycle comprising a compression and an expansion stroke and consisting of a cylinder (88) with at least one free piston (89) which is slidable to-and-fro therein, said piston (89) being connected to a member (90) of general plunger-like shape which is adapted to slide to-and-fro inside at least one stationarily mounted chamber member (95) and which delimits within said chamber member a first or plunger chamber (93) which is in communication with a source of pressurized fluid (103) through an operable valve member (82, a second or displacement chamber (96) which is in communication via a nonreturn valve (99) with a reservoir (100) and is connected via a second nonreturn valve (102) to an accumulator (103), and a third or buffer chamber (97) which is in open communication with said accumulator (103). Preferably the cylinder (88) contains two free pistons (89, 89ʹ) and both plunger chambers (93, 93ʹ) are in communication with said source of pressurized fluid (103) through one common operable valve member, the displacement chambers being each in communication with the accumulator via a pipe incorporating an operable valve member, or each plunger chamber (93, 93ʹ) is in communication with said source of pressurized fluid (103) through its own separate operable valve member (82, 83), so that during the waiting time after each cycle the piston positions can be corrected if necessary.
    • 一种具有液压或气动能量传递的自由活塞马达,其包括至少一个自由活塞单元,其设计用于间歇运行,其使用总是相同的最佳循环,包括压缩和膨胀冲程,并且包括具有至少一个自由活塞 (89),所述活塞(89)连接到总体柱塞形状的构件(90),该构件适于在至少一个固定安装的室构件 (95),并且其在所述室构件内限定通过可操作的阀构件(82,第二或位移室(96))与加压流体源(103)连通的第一或柱塞室(93) 通过具有储存器(100)的止回阀(99)连通并且经由第二止回阀(102)连接到蓄能器(103),以及与所述蓄能器开放连通的第三或缓冲室(97) 103) 叶轮装置(88)包含两个自由活塞(89,99'),并且两个柱塞室(93,93')通过一个共同的可操作的阀构件与所述加压流体源(103)连通,所述排量室各自处于连通状态 通过包括可操作的阀构件的管道,或者每个柱塞室(93,93')通过其自己的单独的可操作的阀构件(82,83)与所述加压流体源(103)连通,从而在 每个循环后的等待时间可以根据需要进行校正。