7時間前 -A metal is a material that, when polished or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well.
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8時間前 -Metals. Metals is an international, peer-reviewed, open access journal published monthly online by MDPI. The Portuguese Society of Materials (SPM), and the ...
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13時間前 -A number of toxic metals including arsenic and lead have been detected in widely used tampons that could increase the risk of adverse health effects among ...
2時間前 -Thieves have been stripping copper wire out of thousands of streetlights and selling it to scrap metal recyclers for cash. ... Metal theft has been an ...
5時間前 -The most trusted source for metal opinion, analysis and up-to-date breaking news on tour dates and new music from artists ranging from the biggest in the ...
7時間前 -A new study found “measurable concentrations" of 16 metals — like arsenic and lead — in brands of tampons available in the United States and abroad.
16時間前 -The metals found included arsenic, lead, mercury, nickel, copper, and iron, among others. Findings of metal levels varied depending on whether the tampons were ...
9時間前 -New concerns are being raised about tampons following a new study. The study reveals that arsenic, lead, and other metals are found in them.
5時間前 -Free Metals futures prices, Metals futures quotes, and Metals futures charts.
金属
金属（きんぞく、metal）とは、展性、塑性に富み機械工作が可能な、電気および熱の良導体であり、金属光沢という特有の光沢を持つ物質の総称である。水銀を例外として常温・常圧状態では透明ではない固体となり、液化状態でも良導体性と光沢性は維持される。 単体で金属の性質を持つ元素を「金属…-Wikipedia