正电子放射层析技术(PET)是科学研究强有力的工具。
Positron Emission Tomography (PET) has become a powerful tool for scientific studies.
正电子放射层析系统(PET)是科学研究的强有力的工具。
尿中放射性代谢物经薄板层析分析主要为极性较大的雌三醇结合物。
The urinary radioactive metabolites were found to be mainly the more polar estriolconjugates by TLC analysis.
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