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- DETERMINATION OF THE ALLOYING AMOUNT OF Ce AND ITS DISTRIBUTION IN STEELS BY RADIOACTIVE TRACER METHOD 用放射性同位素测定钢中铈之合金化量及其分布
- radioactive tracer method 放射性示踪剂法
- The major difference between the two is that instead of a positron-emitting substance, SPECT uses a radioactive tracer that emits high-energy photons. 这两种技术最大的区别在于，单光子发射计算机化成像不用发射正电子的物质，而是用一个能发出高能量光子的有放射性的跟踪剂。
- The major difference between the two is that instead of a positron-emitting substance,SPECT uses a radioactive tracer that emits high-energy photons. 这两种技术最大的区别在于，单光子发射计算机化成像不用发射正电子的物质，而是用一个能发出高能量光子的有放射性的跟踪剂。
- The rectified de background clearance curves obtained using 133 Xe as radioactive tracer were similar to those obtained using 99m Tc as tracer. 用吸入133Xe示踪剂法得到的G负荷去本底清除曲线，经校正后，与用注射99mTc法测得的G负荷血容曲线很相似。
- When they reached a transcendental high, they were asked to pull a kite string to their right, releasing an injection of a radioactive tracer. 当他们达到超越的高度，他们被要求去拉一条风筝线到他们的右侧，释放放射性追踪器的注射剂。
- The chemical tracer, especially the perfluorocarbon tracer and sulphur hexafluoride, has been used much more popularly than the radioactive tracer nowadays. 化学示踪剂已取代放射性示踪剂在混相驱中的主导地位，其中，全氟环烷烃和六氟化硫是目前现场广泛试验和应用的化学气体示踪剂。
- Artificial tracer method has been used to investigate dam leakage problem broadly. 人工示踪方法已在堤坝渗漏探测中得到很多应用。
- A radioactive tracer. 放射性追踪剂
- By using magnetic tracer method, we can measure the gastro-magnetic field which is declined with time. 用磁性示踪法测出胃磁场随时间的衰减曲线,发现一些胃病患者的衰减曲线具有特异性。
- The use of radioactive tracers to study biological processes. 用放射性追踪的使用来研究生物进程。
- The pressure distributions of the Francis pump-turbine runner aremeasured in model test and the flow is visualized by using tracer method. 在小型混流式水泵水轮机模型装置上对转轮流道的压力分布进行了实测，并通过流动可视化摄制了翼间流动的图像；
- The connections 0f the cuneiformis nucleus (CnF) with the lower part of brainstem and the spinal cord were studied in rats by using anterograde autoradiographic method and retrograde horseradish peroxidase tracer method. 用HRP法和ARG法研究了大鼠楔形核（CnF）与下位脑干及脊髓之间的传入和传出纤维联系。
- The distributions and characteristics of non-metallic micro-inclusions of GCr15 and SS400 casting slabs in process of BOF-LF-VD-CC were analyzed by metallographic volume ratio method,in virtue of tracer method and electronic microscope. 借助扫描电镜和示踪法,利用金相学体积率法对BOF-LF-VD-CC流程生产的GCr15方坯连铸轴承钢和SS400板坯连铸中碳钢中非金属显微夹杂物的类型、特点、数量和分布进行了分析。
- A brief introduction was given to the concept of natural tracer method, the characteristics of temperature and conductance distribution in groundwater, and the theory of heat-source method and conductance method for leakage detection. 摘要简述天然示踪法的概念、地下水温度场和电导场分布特征、热源法原理及电导渗漏测试原理。
- Patients are given radioactive tracers (via an IV or inhaled as a gas) that send out signals, which are picked up and deciphered by the PET scanner. 病人通过静脉注射或者吸入的方式被给予放射性示踪剂，然后放射性示踪剂发射出的射线可以被PET探测器探测到并解码。
- In the conventional tracer method, the flow velocity is determined by the time for the tracer to cover a certain distance, and an arbitrarily chosen empirical correction coefficient. 示踪法测量结果需采用经验系数修订才能得到水流速度,而经验系数受多种因素的影响,在不同的条件下如何使用,有较大的随意性。
- The paper discussed several perspectives of isotopic tracer method including the development,advantages and disadvantages,the basic operation,applications in animal digestion and metabolism. 近年来,同位素示踪技术得到迅速发展,并广泛应用于农业,对生物领域的研究与发展起到了重要作用。
- Additional "rays" for this purpose were discovered, including ultrasound and radioactive tracers, and contrast agents were developed to reveal previously indiscernible structures. 为了达到这一目的，除了放射线，还有超声和放射线示踪器和造影剂在揭示先前看不见的结构的过程中发展起来。
- Keywords Parkinson disease;Annexin V;apoptosis;radioactive tracer; 关键词帕金森病;膜联蛋白V;凋亡;放射性示踪剂;
