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    • 31. 发明授权
    • 불가사리에서 유래한 칼슘 제제 및 그의 제조방법
    • 在本发明的范围内,本发明的范围由权利要求书来限定
    • KR100387936B1
    • 2003-06-18
    • KR1020000069392
    • 2000-11-22
    • 정현석
    • 정현석
    • C01F11/00
    • PURPOSE: Provided is a method for extracting calcium from starfish by fermentation and chemical treatment. The calcium extract is used for liquid fertilizers improving growth of crops. CONSTITUTION: The calcium extract is prepared by the following steps of: grinding starfish to 50mesh in size; heating a mixture of ground starfish and water at 100deg.C; fermenting by inoculating the mixture with lactobacillus to produce fermented materials of pH 3-4; mixing the fermented materials with an acidic compound, Ca(NO3)2 to be pH 1.5-2.5; adding a basic compound, Mg(OH)2, to be a neutral calcium extract(pH 5-6). The prepared calcium extract contains 17-18.12% of Ca, Mg, P, protein, and trace elements.
    • 目的:提供一种通过发酵和化学处理从海星中提取钙的方法。 钙提取物用于改善作物生长的液体肥料。 组成:钙提取物按以下步骤制备:将海星磨至50目; 在100℃加热研磨的海星和水的混合物; 通过用乳酸菌接种混合物发酵以产生pH 3-4的发酵物质; 将发酵材料与酸性化合物Ca(NO 3)2混合至pH 1.5-2.5; 加入碱性化合物Mg(OH)2成为中性钙提取物(pH 5-6)。 制备的钙提取物含有17-18.12%的Ca,Mg,P,蛋白质和微量元素。
    • 32. 发明公开
    • 불가사리에서 유래한 칼슘 제제 및 그의 제조방법
    • 来自STARFISH的钙提取物及其制备
    • KR1020020039702A
    • 2002-05-30
    • KR1020000069392
    • 2000-11-22
    • 정현석
    • 정현석
    • C01F11/00
    • A23L17/20A23K20/24A23L17/65C01F11/00
    • PURPOSE: Provided is a method for extracting calcium from starfish by fermentation and chemical treatment. The calcium extract is used for liquid fertilizers improving growth of crops. CONSTITUTION: The calcium extract is prepared by the following steps of: grinding starfish to 50mesh in size; heating a mixture of ground starfish and water at 100deg.C; fermenting by inoculating the mixture with lactobacillus to produce fermented materials of pH 3-4; mixing the fermented materials with an acidic compound, Ca(NO3)2 to be pH 1.5-2.5; adding a basic compound, Mg(OH)2, to be a neutral calcium extract(pH 5-6). The prepared calcium extract contains 17-18.12% of Ca, Mg, P, protein, and trace elements.
    • 目的:提供通过发酵和化学处理从海星中提取钙的方法。 钙提取物用于改善作物生长的液体肥料。 构成:钙提取物通过以下步骤制备:将海星研磨至50目尺寸; 加热100海里海星和水的混合物; 通过用乳杆菌接种混合物发酵以产生pH 3-4的发酵物; 将发酵物质与酸性化合物Ca(NO 3)2混合至pH 1.5-2.5; 加入碱性化合物Mg(OH)2作为中性钙提取物(pH 5-6)。 制备的钙提取物含有17-18.12%的Ca,Mg,P,蛋白质和微量元素。
    • 36. 发明授权
    • 조립성과 일정한 체결력이 확보된 철근 연결용 커플러
    • KR102226838B1
    • 2021-03-11
    • KR1020200079907
    • 2020-06-30
    • 정현석
    • 정현석정재호
    • E04C5/16F16B7/18
    • 본발명은조립성과일정한체결력이확보된철근연결용커플러(C)에관한것이다. 이를위하여본 발명의조립성과일정한체결력이확보된철근연결용커플러는, 제1,2 철근이각각삽입되도록중공형가이드홀이마련되고, 외주면에나사산이형성되는한 쌍의가이드몸체가미들링을중심으로일체로대칭되게형성되는몸체부; 각각의가이드몸체에길이방향으로형성되는복수의가이드슬릿; 상기가이드몸체의단부에링 헤드가구비되고, 상기링 헤드의일측에는내측으로탄성변형이가능하도록복수의키암의일측단부가체결되어각각상기가이드슬릿에구비되는한 쌍의가압부; 및일측내주면에나사산이형성되어상기가이드몸체에체결됨으로써상기키암이가이드슬릿에구비된상태로내측으로가압탄성변형되어상기제1,2 철근에체결력을가하는한 쌍의슬리브;를포함한다. 이로써, 복수의키암이내측으로만이동하여일정한체결력으로철근을가압체결할수 있으므로필요한체결력을정확하게구현할수 있으며, 작업자나도구의선택에따른체결력의오차발생을방지할수 있다.