Cosmic rays may also produce radioisotopes on Earth(for example, carbon-14), which in turn decay and produce ionizing radiation.
这两个机器人都是由放射性同位素热电供电,这些发电机通过衰变钚释放的热量产生能量。
Both robots were powered by radioisotope thermoelectric generators, which generated power from the heat given off by decaying plutonium.
空间核动力源:空间应用中使用放射性同位素或核反应堆进行发电、加热或推进的装置.
Space nuclear power source: a device that uses radioisotopes or a nuclear reactor for electrical power generation, heating or propulsion in a space application.
届时,内部的放射性同位素将会退化成不再对环境构成威胁的形式。
By then, the radioactive isotopes inside will have degraded to a form that no longer poses a threat to the environment.
烟草植株会聚集低浓度的钋210,这种放射性同位素基本上来源于化肥中的天然放射性物质。
Tobacco plants accumulate small concentrations of polonium 210, a radioactive isotope that mostly originates from natural radioactivity in fertilizers.
这些碎片与放射性同位素混在一起,然后作为致命的放射性沉降物,降落到地面上。
This debris intermingled with radioactive isotopes before settling back down to the ground as deadly fallout.
其极短的半衰期确保检体内浓度的放射性同位素在几天之内有效的下降到零浓度。
The short half-life ensures that the body-concentration of the radioisotope falls effectively to zero in a few days.
有机分子将放射性同位素传递至特定的器官、组织或细胞。
The organic molecule conveys the radioisotope to specific organs, tissues or cells.
树木年轮显示,这一年地球大气中形成了异常大量的放射性同位素14C。
Tree rings show that anomalously large amounts of the radioactive isotope 14C were formed in the Earth's atmosphere.
The Cyber Radioactive Isotope Safety Information Center at Korea Institute of Nuclear Safety(KINS) supports the reporting process based on article 12, Notice of Minister of Science and Technology 2002-03.
Australia is sharing its experience in theuse of low-enriched uranium in research reactors and radioisotope production, bilaterally and by participating in IAEA and Nuclear Energy Agency initiatives.
The invention includes various isotopically labeled compounds as defined herein,for example those into which radioactive isotopes, such as 3H, 13C and 14C are present.
Various isotopically labeled compounds of the present invention,for example those into which radioactive isotopes such as 3H, 13C, and 14C are incorporated.
In addition to these stable nuclei some unstable, or radioactive, isotopes were also produced during primordial nucleosynthesis: tritium or H-3; beryllium-7(Be-7), and beryllium-8(Be-8).
自然产生的锕元素由放射性同位素227Ac组成。
Naturally occurring actinium is composed of 1 radioactive isotope; 227Ac.
利用放射性同位素技术进行自然资源的勘探和开采.
Radioisotope technology for natural resource exploration and exploitation.
这四种放射性同位素中,碘-131是最为危险的。
Of these Iodine-131 is the most dangerous.
例如自然产生的、稳定的放射性同位素可以用来确定地下水的年龄。
Naturally-occurring stable and radioactive isotopes, for example, are being used to determine the age of water in subsurface systems.
通过观测脑部不同区域的放射性同位素分布,可以判断脑的哪一部分更活跃。
By observing which areas of the brain take up the radioactive isotope, we can see which areas of the brain are more active than other areas.
癌症和其他非恶性的疾病的许多类型可以顺利地对待与此放射性同位素散发的辐射。
Many types of cancer and other non-malignant disease canbe successfully treated with radiation emitted by this radioisotope.
Rosatom公司表示,专门用途反应堆是一种相对廉价的小型反应堆,专为生产医用放射性同位素而设计。
Rosatom said solution reactors are small-scale andrelatively inexpensive reactors that are designed specifically for the cost-effective production of medical radioisotopes.
SortID=107研究人员制造的钻石电池原型采用的是放射性同位素镍-63作为放射源。
The prototype of the"diamondbattery" made by the researchers uses the radioactive isotope"nickel-63" as the radiation source.
通过测量放射性同位素与非放射性碳的比例,碳-14的数量可以计算出来,并给出一个标本年龄。
By measuring the ratio of the radio isotope to non-radioactive carbon,the amount of carbon-14 can be worked out and give an age for specimens.
通过测量放射性同位素与非放射性碳的比例,碳-14的数量可以计算出来,并给出一个标本年龄。
By measuring the ratio of the radio isotope to non-radioactive carbon,the amount of carbon-14 decay can be worked out, thereby giving an age.
The radioisotopes remaining in Iraq and the Agency' s responsibilities for these isotopes continue to be governed by Security Council resolution 707(1991).
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