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radioactive tracer logging 放射性示踪测井
radioactive tracer log 放射性示踪剂测井
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。
A radioactive tracer. 放射性追踪剂
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。
Keywords annular logging;production profile;radioactive tracer flow;confluent-liquid umbrella;application; 环空测井;产出剖面;示踪流量;集流伞;应用;
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。
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;
Application of Radioisotope Tracer Logging Technology in Oilfield Development 放射性同位素示踪测井技术在油田开发中的应用
Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
Radioactive ray is material thing. 放射线是实际的物质。
I reached for a floating log with my foot. 我伸脚去钩取一段漂浮着的木头。
A Manipulator Using in Tracer Logging Vertical Releaser Automated Distributing System 机械手在示踪测井释放器自动分装系统中的应用
They are sawing a log into planks. 他们把原木锯成一块块厚板。