当反应堆内的水比通常情况下的放射性高得多,而且处于高压之下的话,反应堆的强烈冲击可能会成为一个更加严重的问题。
Backlash from the reactor is likely to be an even bigger problem when the water inside the reactor is much more radioactive than usual and is under extremely high pressure.
这颗晕星不同于大多数超新星,它吐出的许多元素比铁还重,其中包括放射性钍和铀。
Unlike most supernovae, this one spewed lots of elements far heavier than iron, including radioactive thorium and uranium.
1946年到1958年,在马绍尔群岛北部进行了67次核试验,释放出的放射性碘造成的污染据说比1986年切尔诺贝利核灾难带来的污染严重150倍。
The 67 tests conducted in the northern Marshalls between 1946 and 1958 released radioactive iodine said to be 150 times worse than the contamination from the nuclear disaster at Chernobyl in 1986.
由于池中有大量的辐照核燃料,放射性释放可能比25年前的切尔诺贝利核反应堆灾难更糟。
Given the large quantity of irradiated nuclear fuel in the pool, the radioactivity release could be worse than the Chernobyl nuclear reactor catastrophe of 25 years ago.
遗憾的是,这种离子交换技术所捕获的非放射性铁离子比放射性钴离子还多得多。
Unfortunately, the ion-exchange technique traps many more non-radioactive iron ions than radioactive cobalt ones.
比相邻的1号和3号反应堆积水的核放射性水平也要高出1千倍以上。
At that level it is a thousands times more radioactive than water found in the neighboring Number-1 and -3 reactor buildings.
核能比天然气的污染少,但是成本太高,而且因为放射性废物处置存在的高度危险性而被美国上下置疑。
Nuclear energy is less polluting than gas from a climate-changing perspective, but it is costly and viewed skeptically in the United States because of the dangers of disposing of radioactive waste.
Tooby回忆到,当他还是学生时,他曾用盖革计数器向一家人表明,他家的瓷器比周围其他物品更具放射性。
Tooby recalled, while still a student, using a Geiger counter to show a custodian that his household Chinaware was more radioactive than other objects nearby.
昂比说,该系统应该说可能最终会在核能工业的监测过程中,或可能应用于医疗放射性示踪剂的使用。
This system should allow that, Hamby said, and may eventually be used in monitoring processes in the nuclear energy industry, or possibly medical applications in the use of radioactive tracers.
Fievet在实验室中所用的射线放射性水平比福岛周围水域中的放射性要高出许多倍。
The level of radiation Fievet USES in his lab is many times higher than the radiation in the water around Fukushima.
考古学家在一份声明中说,经放射性碳测年法鉴定,环形巨石阵应该建造于公元前2400年至公元前2200年之间,比之前的推测晚了几百年。
The archaeologists said in the statement that radio-carbon dating put the construction of the circle of bluestones at between 2,400 B.C. and 2,200 B.C., a few centuries later than originally thought.
这两项相结合,导致了地球上比磁力更大的放射性,而在100年以前还没有这样。
The two combined cause greater radiation upon earth than magnetism when less than 100 years ago this was not so.
看起来它就像普通的盐,而它的放射性却比铀要大一百万倍。
It looked like ordinary salt, but was one million times more radioactive than uranium.
技术人员报道,福岛核电站周边海洋中的放射性物质已经达到最高水平,比法定的最高限制高出4,385倍。
In the ocean next to the Fukushima power plant, technicians are reporting the highest levels of radiation yet, about 4,385 times higher than the legal limit.
放射性样品选择得很巧妙,假使一个小时之后,衰减的可能性为五十比五十。
The sample is chosen so that after, say, one hour, there stands a fifty-fifty chance of a decay occurring.
西方公司打算扩大中国以外的稀土矿产量,但这其中储量较大的稀土矿比中国华南的稀土矿复杂的多,这些矿往往伴生着放射性的铀和钍,开采起来很复杂。
Companies want to expand production outside China, but most rare-earth deposits, unlike those in southern China, are accompanied by radioactive uranium and thorium that complicate mining.
空气比油粘滞性小,耐高温,无污染,因而可用于高速机器、仪器及放射性装置中,但其负荷能力比油低。
Smaller than the oil viscosity of air, temperature, pollution, and thus can be used for high-speed machinery, apparatus and radioactive devices, but its load capacity than the oil is low.
方法:通过降低标记抗原的比放射性,提高抗血清的浓度,改进曲线拟合方式等方法,扩大测定范围。
Methods the measurable range was broadened through: Lowering of the specific radioactivity of the labelled antigen, increasing the concentration of the anti-serum and improve the curve fitting method.
矿石样品放射性镭含量比岩石样品高19倍,为井下氡气的主要来源;
The content of radioactive radium in mineral was 19 times higer than that in rock and served as a chief source of radon.
“也就是说,”比林斯说道,“这只鹅能够把任何放射性同位素转变成稳定的同位素,它产生了一套完整的放射性疾病防御系统。”
"What it amounts to, " said Billings, "is that The Goose can convert any radioactive isotope into a stable one. It has developed the perfect defense against radiation sickness.
结果:不同产地、不同品种的进口花岗岩石材样品中天然放射性核素的比活度与普通建筑材料比有较大差别。
The specific activities of natural radionuclides in import granites of different producing area and different varieties have biggish differences with those in normal building materials.
结果:不同产地、不同品种的进口花岗岩石材样品中天然放射性核素的比活度与普通建筑材料比有较大差别。
The specific activities of natural radionuclides in import granites of different producing area and different varieties have biggish differences with those in normal building materials.
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