Tritium is one of the mildest radioactive isotopes.氚是最和缓的放射性同位素之一.More reactive are the heavier isotopes of hydrogen, deuterium and tritium.更为活跃的是氢的较重同位素, 氘和氚.Tritium has a half - life of 12.4 years.氚的半衰期为12.4年,地球形成时的氚早已...
...tritium, a radioactive isotope of hydrogen.氢的放射性同位素氚Tritium has a half - life of 12.4 years.氚的半衰期为12.4年,地球形成时的氚早已不存在.The Energy Secretary hopes to bring on line a safer new tritium production reactor...能源大臣希望能投产一座更安全的...
Blasting cold air over it makes the water evaporate.向它喷射冷空气可以使水蒸发。Like many others, Handford was relieved to see the spectre of 15% interest rates evaporate by the end of the day.和其他很多人一样，当看到15%的利率的阴霾随着那天的结束而散尽时，汉德福感到一阵欣...
Is full employment any longer achievable?充分就业还有可能实现吗？A 50% market share is achievable.50%的市场份额是可以实现的。Understanding these rare molecules will help chemists to find out what is achievable.了解这些稀有分子能帮助化学家找到可实现的目标。...
Just outside the sanctuary, water flowed into a Baptismal pool.礼拜堂外有水流入洗礼池.A lot of this information flowed through other police departments...大量此类信息在警察机关其他部门中流传。She watched aghast as his life flowed away...看着他的生命逐渐消逝，她惊...