The formulation, preparation process and dissolution rate in vitro of Sustained-Release Aspirin tablets(S-RAT)were studied.
本文研究了阿司匹林缓释片（S-RAT）的处方组成、制备工艺、体外溶出速率试验。
Aim and Methods: To study the effect of ventricular fibroblasts increase beating rate on cultured neonatal rat cardiomyocytes by using cell culture and RTPCR technique.
目的和方法：利用细胞培养和RT P CR技术研究新生大鼠心脏成纤维细胞增加心肌细胞搏动频率的作用。
Methods:Arterial blood pressure, heart rate and the unit dischargings of habenular neurons in rat were recorded simultaneously.
方法：记录大鼠的股动脉血压和心率的同时，用玻璃微电极记录缰核神经元自发单位放电。
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