And the calcium lactate is easily absorbed to the body, So the research of changing the oyster shells to calcium lactate had been carried on in this paper.
且基于人体对乳酸钙的吸收要比其他钙制剂好,因此本课题进行了以牡蛎壳为原料制备食品级添加剂乳酸钙的研究。
参考来源 - 食品添加剂乳酸钙制备工艺研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Near the mouth of the river is a sandy spit with low buildings decorated with oyster shells and gnarly driftwood.
河口附近有一个沙地岬角，上面建着一些装饰了贝壳和多瘤漂木的低矮建筑物。
Several other materials can be used for liming purposes, such as, baked or burned oyster shells, marl, basic slag, wood ashes, and cement industry by-products.
其它几种物质也可用来施用石灰，如？壳灰、灰、渣磷肥(性炉渣)草木灰和工业水泥的副产品等。
The Greeks, and then the Romans, improved the recipes for toothpaste by adding abrasives such as crushed bones and oyster shells, which were used to clean debris from teeth.
先是希腊人，然后是罗马人，将牙膏的配方加以改进。他们添加了一些磨料如碎骨和牡蛎壳，用来清除牙齿上的污垢。
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