河流的沉淀物中含有大量的放射性物质，这些放射性物质被暴风雨或洪水冲上河滩，使那里的土壤成为放射性污染源之一。
Its sediments remain highly contaminated and tainted floodplain soils that wash up during storms and floods have now become a source of radioactive materials.
真随机数发生器的熵源通常来自于真实的物理世界，如热噪声，大气噪声，放射性衰减甚至掷硬币。
TRNGs are usually based on physical phenomena such as thermal noise, atmospheric noise, radioactive decay and even coin-tossing.
为先驱者号们提供舱内热动力源的钚238会有放射性衰变，其发射量会随着时间的推移而越来越小。
As the plutonium-238 that served as the Pioneers' onboard heat source radioactively decayed, it would have emitted less heat over time.
本文叙述了放射性同位素源激发能量色散x射线分析中基本参数法的原理、实验装置和计算机程序。
In this paper, the principle, experimental arrangement and computer program of fundamental parameters method in radioisotope source excited energy dispersive X-ray analysis are described.
利用放射性同位素示踪技术研究荔枝果皮对外源钙和蔗糖的吸收及细胞壁构建规律。
Absorption of exogenous calcium and sucrose and their deposit onto the cell walls in litchi pericarp were studied by using radioisotope tracer technique.
介绍了在低能范围内利用放射性同位素源发出的初级射线，照射和激发靶片元素产生的特征X射线的规律性；
The law of characteristic X-rays emitted by target element under the radiation of isotope source in a range of low energy is discussed.
介绍了放射性废源的安全处理和整备技术，重点介绍了现在国外废镭源的整备技术。
Alsointroduced are safe treatment and conditioning technologies related to spent radiation sources, with the emphases being on spent radium sources.
仪器通过实时监测放射性源对周围环境的辐射量来判断放射性源所处的状态，并能自动予以声、光报警。
Through measuring the radiation quantity around surroundings where radioactive source is placed, it estimates the status of radioactive source automatically, and gives an alarm of light and sound.
文章介绍了放射性源强磁打捞器的研制和试验。
Here in this paper the research and test works on radioactive source strong magnetic die were introduced.
煎茶岭硫化镍矿床成矿过程中有含高放射性成因锇的壳源物质混染。
In addition, there also existed the hybridization of the crustal substance which contained OS with high radioactivity during the formation of the sulfide nickel deposit.
丢失放射性密封源是同位素应用的最安全隐患，应重点加强监管。
The loss of radiative seal sources is the biggest security hidden trouble for application of isotope, Should be managed and inspected carefully.
以比较的方法，介绍了ISO CS系统无源刻度测量方法相对于传统环境样品放射性测量方法的优点。
This paper introduces the advantages of ISOCS measurement method by efficiency calibration without a radioactive source, comparing with traditional measurement methods of environment samples.
利用放射性源的伽马射线轰击井眼周围的岩石，通过对反散射伽马射线计数，可以计算出地下岩石的密度。
A radioactive source is used to bombard the rocks surrounding the wellbore with gamma rays. By counting the backscattered gamma rays, the density of the subsurface rock can be computed.
核测井使用的密封中子源和伽马源具有较强的放射性，对操作人员有一定的辐射损伤。
Sealed neutron source and gamma source used in nuclear logging have strong radioactivity which is harmful to operators.
对于在放射性核素测量中可能遇到的较强源带来的较大探测器死时间问题进行了研究，找到了进行死时间修正的方法。
A problem, which causes the biggish detector dead time during the biggish power experiments, is discussed. A method used for dead time correction is found.
为在秦山三期CANDU-6型重水堆上生产放射性钴源，将秦山三期CANDU-6型重水堆排管容器内的21根不锈钢调节棒改为钴调节棒。
In order to produce cobalt rodlet in CANDU-6 reactor core of TQNPC, the 21 stainless steel control rods in reactor vessel were changed to cobalt control rods.
为在秦山三期CANDU-6型重水堆上生产放射性钴源，将秦山三期CANDU-6型重水堆排管容器内的21根不锈钢调节棒改为钴调节棒。
In order to produce cobalt rodlet in CANDU-6 reactor core of TQNPC, the 21 stainless steel control rods in reactor vessel were changed to cobalt control rods.
应用推荐