单词：contrast agent
contrast agent的用法和样例：
例句
- In these cases the thrombi showed selective enhancement after injection of the molecular contrast agent.这些案例在注射分子造影剂后，血栓均出现了选择性的增强。
- Hypercalcaemia and hyperphosphataemia were absent, and there was no history of barium study or oral contrast ingestion.患者无高钙血症和高磷血症，也无钡剂检查或口服造影剂的历史。
- Objective Adverse reactions to Gd-DTPA contrast media should be noticed enough.目的加深对磁共振成像钆喷酸葡胺对比剂不良反应的认识。
- Their excellent optical and chemical properties make gold NPs an attractive contrast agent for cellular imaging.良好的光学和化学能力揭示了纳米金颗粒在细胞成像作为对比剂的潜力。
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