采用低分辨率脉冲核磁共振法测定聚丙烯树脂分子量及分子量分布,应用自旋回波(CPMG)法测定T2,由此获得T2-Mw、T2-Mn线性关系,实践应用证明,该技术成熟可行,可以应用于科研开发和生产控制中.
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This article gives a brief introduces of FID, IR, CPMG and se, which are several basic sequence in NMR and MRI, and they can be used in food.
主要介绍了核磁共振及其成像技术中的FID, IR, C P MG和SE等几个基本序列,以及它们在食品中的主要应用。
A new pulse sequence for the measurement of NMR logging is proposed in this article, based on the improvement of original CPMG pulse sequence.
提出了一种可以提高核磁共振测井测量速度的新型测量脉冲序列,它基于对原有CPMG测量脉冲序列的改进。
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