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n.氚（氫的放射性同位素）...
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tritium的音標(biāo)：tritium的英式發(fā)音音標(biāo)為：['tr?ti?m]tritium的美式發(fā)音音標(biāo)為：['tr?ti?m, 'tr??i-]...
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...tritium, a radioactive isotope of hydrogen.氫的放射性同位素氚Tritium has a half - life of 12.4 years.氚的半衰期為12.4年,地球形成時(shí)的氚早已不存在.The Energy Secretary hopes to bring on line a safer new tritium production reactor...能源大臣希望能投產(chǎn)一座更安全的...
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Tritium is one of the mildest radioactive isotopes.氚是最和緩的放射性同位素之一.More reactive are the heavier isotopes of hydrogen, deuterium and tritium.更為活躍的是氫的較重同位素, 氘和氚.Tritium has a half - life of 12.4 years.氚的半衰期為12.4年,地球形成時(shí)的氚早已...