蛋壳是指外面质地坚硬的外壳,其主要成分是碳酸钙,主要是用来保护住蛋白与蛋黄。20世纪90年代以来,人们开始重视蛋壳的开发利用,并逐渐应用到各个行业。例如蛋壳可以加工成肥料,用于各种蔬菜、盆栽花木和果树盆景的种植,可使这些植物生长旺盛[1]

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一个被打碎的蛋壳

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