stiffening method

Synthesis of carboxylate nucleating agent and its application in polypropylene stiffness modification;

羧酸盐类成核剂的合成及其增刚改性聚丙烯

Objective The purpose of this study was to identify the usefulness of the test-injection method as compared with the fixed-time method in dynamic magnetic resonance(MR)imaging of liver.

目的比较试验性增强法与常规增强法在肝脏磁共振扰相梯度回波(SPGR)序列动态增强扫描中的应用,探讨试验性增强法在肝脏磁共振动态增强中的应用价值。