滑铁卢华人, 水城百事论坛 http://www.kwcg.ca/forum/ 水城社区-Kitchener, Waterloo, Cambridge & Guelph华人的网上家园 en 都积蓄到骨骼里了还在乎?这不铁骨铮铮了? Reply by 匿名, Wednesday, July 09, 2025, 11:21:

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]]> http://www.kwcg.ca/forum/index.php?id=1486251 http://www.kwcg.ca/forum/index.php?id=1486251 Wed, 09 Jul 2025 11:21:10 GMT 匿名 半衰期不一定是指放射性元素，也可以指某种物质的含量的减少，比如农药喷在作物上就有半衰期的定义，有了这个才能安全用药 Reply by 匿名, Wednesday, July 09, 2025, 11:14:

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]]> http://www.kwcg.ca/forum/index.php?id=1486248 http://www.kwcg.ca/forum/index.php?id=1486248 Wed, 09 Jul 2025 11:14:31 GMT 匿名 关键是慢啊，超慢半帅气 Reply by 匿名, Tuesday, July 08, 2025, 21:42:

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]]> http://www.kwcg.ca/forum/index.php?id=1486212 http://www.kwcg.ca/forum/index.php?id=1486212 Tue, 08 Jul 2025 21:42:59 GMT 匿名 半衰期？铅是放射性元素？ Reply by 匿名, Tuesday, July 08, 2025, 21:18:

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]]> http://www.kwcg.ca/forum/index.php?id=1486209 http://www.kwcg.ca/forum/index.php?id=1486209 Tue, 08 Jul 2025 21:18:01 GMT 匿名 研究：蓄积到骨骼中的铅的半衰期超20年 Posting by 反贼。难道不是专家认为适量涉铅有助于铁与钙的吸收了, Tuesday, July 08, 2025, 20:47:

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]]> http://www.kwcg.ca/forum/index.php?id=1486208 http://www.kwcg.ca/forum/index.php?id=1486208 Tue, 08 Jul 2025 20:47:32 GMT 反贼。难道不是专家认为适量涉铅有助于铁与钙的吸收了