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- Thorium radioisotope 钍放射性同位素
- Marie found another called thorium. 玛丽发现了另一种物质，叫钍。
- Please go to the department of radioisotope to have it priced. 请到放射科划价。
- A radioactive isotope of thorium with mass number228. 射钍钍的放射性同位，质量数为
- This is clearly confirmed by the detection of thorium. 这显然证实了检测钍.
- They recognized that in a thorium province Pb208 would present complications. 他们承认，含钍区内的Pb208会产生干扰。
- Followed by the slow decomposition of uranium to another element thorium. 铀元素随后缓慢分解为另一种元素钍。
- We are actually trying to measure this profile and to detect thorium. 我们正试图测量这个图表，以侦测钍的存在。
- The amount of radioisotope was determined in water, suspensive substance, 14CO2 absorbent solution and XAD-2 resin. 测定了标记物在水、悬浮物、~(14)CO_2吸收溶液、XAD-2树脂上的放射性强度.
- Chemical compounds and mixtures containing uranium and thorium are active in direct proportion to the amount of these metals contained in them. 含铀和钍的化合物和混合物活跃的程度与这些化合物和混合物中这两种金属的含量直接相关。
- Methods: The SDS PAGE and the radioisotope ( 59 Fe) was used in this investigation. 方法 :聚丙烯酰胺凝胶电泳 (SDS =PAGE)和放射性同位素法 (59Fe)。
- Objective: To assess the clinical value of intracavitary irradiation with radioisotope 32 P for cystic brain tumors. 目的:探讨放射性同位素32P组织间质内照射治疗囊性脑肿瘤的疗效。
- The exploitation of the equipment avoids the side effects of using liquor radioisotope. 该机的研发避免了患者服用同位素放射性液体对人体所带来的副作用。
- I measured the activity of a number of minerals; all of then~ that appear to be radioactive always contain uranium or thorium. 我测量了一些矿物的活性，所有显示放射性的物质均含有铀和针。
- The radioisotope source 241 Am X_ray fluorescence method for determination of iodine in iodized salt was presented. 介绍用放射性同位素源激发X射线荧光法测定碘盐中碘的含量。
- J. F. Black, J. E. Kunc Jr. and G. B. Clark, J. Appl. Radioisotope, 1, 256 (1957) . 上海化学工业研究院;原子能科学技术;第10期;781(1963).
- A new type device of automatic diluting and dividing for radioisotope solwtion are designed. 摘要研制了一种新型的同位素自动稀释分装装置，并提出了一种实时剂量测控新方法。
- A few elements, among them uranium and thorium, spontaneously disintegrate into lighter elements by chances. 少数元素，其中有铀和钍，通过它们核的变化自然蜕变成较轻的元素。
- Injectivity profile is commonly determined with radioisotope tracer test in water-flood oilfield. 对于注水开发油田，通常使用放射性同位素测井测量注水井的吸水剖面。
- Either of two decay products of thorium,mesothorium I,an isotope of radium,or mesothorium II,an isotope of actinium. 新钍钍的两种放射性生成物之一，即新钍1号，它是镭的同位素，或新钍2号，它是锕的同位素
