The vacancy defects of samples were measured by slow positron annihilation.
借助慢正电子湮没技术研究了样品的空位型缺陷.
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Magnetized water samples were measured by the positron annihilation lifetime spectrometer.
用正电子湮没寿命谱仪对经过磁场处理的水样品进行了对照测量.
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Objective : To discuss the nursing countermeasure for receiving high quality Positron Emission Tomography ( PET ) image.
目的: 探讨 正电子 发射 计算机断层 显像检查中的护理方法.
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Molecular imaging with positron emission tomography ( PET ) is an important field of molecular imaging.
正电子发射断层 ( PET ) 分子影像学是分子影像学的重要内容.
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Objective To evaluate the value of high energy positron imaging in the diagnosis of colon neoplasm.
目的评估高能正电子成像技术在结肠肿瘤诊断中的临床实用价值.
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The electron, for example, has negative charge, whilst its antiparticle, called the positron, has positive charge.
举例说明, 比如电子带负电荷, 同时, 它的反粒子被称作正电子—带有正电荷.
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Studies of electrophysiological positron emission tomography and patients have provided important evidence supporting this viewpoint.
电生理研究、成像研究以及病人研究都为这一观点提供了可靠的证据.
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The antielectron, or positron, was discovered in 1932.
反电子或正电子, 是在1932年被发现.
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How few cancer cells can be detected positron emission tomography?
正电子发射断层摄影怎样探测少量癌症细胞?
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This is the mathematical basis of computed tomography and positron emission tomography.
这是计算机层析成像和正电子层析成像的数学基础.
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These new tests are resonance imaging ( MRI ) and positron emission tomography ( PET ) scanning of the heart.
这两个检查项目分别称为核磁共振 ( MRI ) 和正电子发射断层显像 ( PET ) .
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Positron emission tomography ( PET ) is an imaging technique that combines a radioactive tracer with a molecule.
正电子发射断层成像 ( PET ) 是一种结合单一分子放射示踪的成像技术.
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Scatter coincident events are the important factor that affects the quality of positron emission tomography ( PET ) images.
散射事件是影响正电子发射断层扫描术 ( Positronemissiontomography,PET ) 图像重建质量的一个重要因素.
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The positron is an antielectron.
正电子就是反电子.
辞典例句
This was confirmed by the positron annihilation technique.
正电子湮没技术证实了这种空位的存在.
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The Harvard group use positron emission tomography ( PET ) scans to monitor the brain activity.
哈佛大学的研究组运用正电子发射X射线 层析照相术 ( PET ) 监测大脑的活动.
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You can read more about Positron by viewing the Positron Company Profile.
正电子信息您可以通过查看阅读更多关于正电子正电子公司简介.
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