...电位水平后,与细胞去极化形成正反馈,Na+爆发性内流,达到Na+平衡电位(膜内为正膜外为负),形成动作电位上升支(Rising Phase);c点:膜去极化(Rising Phase)达一定电位水平 (峰值),Na+内流停止、K+开始迅速外流;cd段:K+迅速外流,形成动作电位下降支(Fal...
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...I标记的马尿酸注入人体静脉内,用计数器置于受试者肾区以计数同位素消失情况,可记录到3个时相的变化,一为上升相(rising phase),主要是血液流经肾所致,因此可反映肾血流;二为组织相(tissue phase),同位素主要进入肾细胞和小管内;三为洗出相(wa.shout p...
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This term can divide to three phase: 1, . The rising phase ofFrench parochial education in modern China(1840------1860);
这一时期又可以划分为三个阶段:一、近代法国在华教会教育的兴起(1840年——1860年);
The rising phase of the 5th long economic cycle is operating now and the U. S. is both the leading force and the center of it.
第五个经济长周期的上升面正在运行中,美国处于其先导和中心。
The modern biographies in the 1930s had went the rising phase in the history of the modern biographies and have formed the relatively prosperous situation.
三十年代中国现代传记从实践到理论较之以前都有明显的进益,形成了一种相对繁荣的局面,处于现代传记史的上升期;
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