碳有两个非放射性的同位素，在太阳系的物质中，包括在大多数的陨石矿石中，它们的混合比例是众所周知的。
Carbon has two non-radioactive isotopes, and in material from the solar system, including most meteoritic minerals, these are mixed in a well-known ratio.
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.
但是如果处于危险环境的人们预先摄入含有非放射性碘的药物，这些碘就会先到达甲状腺并且有效地防止对放射性的碘的吸收。
But if people at risk receive tablets containing non-radioactive iodine, this reaches the thyroid first and effectively prevents the radioactive isotopes being absorbed.
非放射性碳以两种形式存在：12C还有较重（并且更罕见）的13C。
Non-radioactive carbon comes in two forms: 12C and the heavier (and much rarer form) 13C.
PET是一项非损伤的成像技术，它将示踪迹注入血液利用其放射性来检测生物活性并成像。
PET is a non-invasive imaging technique that uses radioactivity emitted from injected tracer chemicals to measure and image biological activity.
放射性沉降物中含有非天然的重元素和同位素。
The fallout contained heavy elements and isotopes not found in nature.
铊的非放射性形态不是用于制造老鼠药吗？
Isn't the nonradioactive form of thallium used for rat poison?
本工作研究放射性废物快速非破坏性检测装置的数据分析方法和检测装置探测效率的蒙特卡罗法计算。
The research concerns in the data analysis and detection efficiency calculation based on Monte-Carlo method for non-destructive assay radioactive waste measurement instrument.
最广为人知的就是碘化钾片。这种药片可以使甲状腺充满非放射性碘。
The best known is potassium iodide. The pills flood the thyroid gland with non-radioactive iodine.
荧光标记这种非放射性标记技术已成为现代分析检测中不可或缺的重要方法之一，然而将此技术应用于药物研究并不广泛。
The fluorescent labeling is one of the most important methods of modern analysis as a non-radioactive labeling technique, however, it has not been widely applied in drug research.
携带式同位素放射性X—射线荧光分析，是一种非破坏性(对样品)的仪器分析方法。
The portable type of isotopic radiogenic X-ray fluorescence analysis is a kind of method of instrumental analysis without the destructive effect on the samples.
【译】晚期放射性直肠炎患者接受根治性放疗的非手术治疗骨盆。
Non surgical interventions for late radiation proctitis in patients who have received radical radiotherapy to the pelvis.
在大量文献调研的基础上，根据发光基质的不同对目前非放射性长余辉红色磷光粉的研究现状进行了系统的分类介绍。
On the basis of studying many documents, introduced some non radioactive persistent red phosphors and systematically classified them according to their luminescent host.
为了评价地下水水流条件的变化对放射性核素迁移行为的影响，该文以双重介质理论的裂隙迁移模型为基础，提出了非恒定流条件下单裂隙核素迁移模。
To assess how such changes may affect the nuclide transport behavior, the paper proposes a single fracture nuclide transport model under time-varying groundwater flow conditions based on t.
研究结果表明：用煤矸石和适量固化剂制成的非烧结砖经过28d自然养护后，其质量和放射性均符合国家有关标准。
The practice show that quality and radioactivity of the product, which is made by gangue and some condensing agent, can meet related national regulation after 28 days' natural maintenance.
小和大规模生产的协议被详述，以及洗净和标明(用放射性同位素和非放射性同位素)方法。
Protocols for both the small and large scale production are detailed, as well as purification and labelling (with both radioisotopes and non-radioisotopes) methods.
时间分辨荧光免疫分析技术作为新一代非放射性免疫分析技术，具有生物技术研究和临床应用的广阔前景。
Time-resolved fluorescence immunoassay technology is a new generational non -radioactivity immunoassay. It has wide application and bright foreground in biotechnology and clinical detection.
强腐蚀性、非导电性、放射性及易燃易爆介质的流量测量问题。
Corrosive, non-conductive, radioactive and flammable media flow measurement problems.
目的：探讨CT引导下经皮穿刺种植植入用缓释顺铂粒子联合放射性125I粒子治疗晚期非小细胞肺癌（NSCLC）的短期疗效。
Objective: To evaluate the effect of combined Cisplatin Sustained Release for Implant with radioactive iodine-125(125I) to non-small cell lung cancer(NSCLC) guided by CT.
方便并且非放射性测定损伤细胞释放的乳酸脱氢酶活性。
Convenient assay measures activity of lactate dehydrogenase (LDH) released from damaged cells.
方便并且非放射性测定损伤细胞释放的乳酸脱氢酶活性。
Convenient assay measures activity of lactate dehydrogenase (LDH) released from damaged cells.
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