These men and women took in more than 1,500 milligrams of calcium a day - more than twice the level recommended by the Food Standards Agency.

这些男人和妇女一天吸收超过1500毫克的，比食品标准局所建议的水平多出两倍以上。

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Consuming 1, 800 milligrams of calcium a day could block the absorption of about 80 calories, according to a recent University of Tennessee study.

最近的田纳西大学一项研究表明，每天消耗1800毫克的钙可以阻止吸收约80卡路里的热量。

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Nevertheless, accumulating evidence has her urging patients to get their calcium from their diet, rather than reflexively telling them to take 1, 200 milligrams of calcium a day.

然而，越来越多的证据要求她的病人从饮食中获取钙质，而不是条件反射性地告诉她们每天服用1200毫克的钙。

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Each coral polyp releases a hard calcium carbonate skeleton that serves as a base.

VOA: special.2010.08.10

This conversion from a mechanical energy into a chemical energy can be nicely visualized when one fills a hair cell with a sensitive die that responds to the calcium ions that influx into the cell.

如果在毛细胞中注入,对钙离子敏感的物质,可以精确地模拟,这一机械能到化学能的转化过程。

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Dolomite is also a low-cost way to supply calcium to young tomato plants.

VOA: special.2011.06.14

But one reason radium is dangerous is that, as a glance at the periodic table will show, it is chemically similar to calcium, a principal ingredient of bone.

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It has developed a method to extract carbon dioxide from industrial emissions and bubble it through seawater to create calcium carbonate, a process that mimics the buildup of coral.

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Then a solution of calcium and water is applied by a modified winter gritting machine with a very fine sprinkler-like system attached.

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