Influence of different nitrogen concentrations on the growth and physiological characteristics of Chlorococcum sp. 不同氮浓度对绿球藻生长及生理特性的影响。
Objective To study changes in electrophysiological characteristics of muscle spindles induced by simulated weightlessness in isolated rats soleus. 目的观察模拟失重不同时期大鼠离体比目鱼肌肌梭电生理特性的改变。