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...
那些不合格的候选人被筛选掉了.Unsuitable candidates were screened out.经过反复筛选,选出近一百篇可能入选的小说.The repeated siftings have brought the number of possible stories to the neighbourhood of one hundred.然而大多数的筛选测验本身会出现一些错误.However, most screenin...
我们设法用卸外胎用的撬棍撬开了盖子.We managed to prise off the lid with a tyre lever.产品: 内、外胎冷补胶片; 冷补胶条; 补胎工具; 车轮平衡块等产品.Product: Tyre cold patch; cold bar glue; Tire repair tools; Wheel balance weight etc. product.精细胎面再生胶是选用载重汽车、工程汽车外胎地胎...