PET, a nuclear medical imaging modality, is ideally suited to produce such kinds of images by use of positron-emitting chemical entities.
宠物，一个核医学成像形态，很适合于透过使用发出正电子的化学实体产生这样的多种图像。
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Objective to investigate the conditions for producing positron-emitting radionuclides and radiopharmaceutical synthesis and determine the factors influencing their production.