单选题
发布日期:2021-08-06
阈电位
负后电位
正后电位
局部电位
峰电位
主要特征( distinguishing features; traits distinctif)法规丹纳用语。
动作电位是指可兴奋细胞受到刺激时在静息电位的基础上产生的可扩布的电位变化过程。动作电位由峰电位(迅速去极化上升支和迅速复极化下降支的总称)和后电位(缓慢的电位变化,包括负后电位和正后电位)组成。峰电位是动作电位的主要组成成分,因此通常意义的动作电位主要指峰电位。动作电位的幅度约为90~130mV,动作电位超过零电位水平约35mV,这一段称为超射。神经纤维的动作电位一般历时约0.5~2.0ms,可沿膜传播,又称神经冲动,即兴奋和神经冲动是动作电位意义相同。
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You work as a network Exchange administrator at Company.com.The Company.com network currently consists of a single Active Directory forest containing a single domain named Company.com.The Company.com organization makes use of Microsoft Exchange Server 2010 as their messaging solution.The Company.com organization currently makes use of a computer named -ex01 which hosts a mailbox database named kingdatabase which contains 25 user mailboxes.during the course of the business week you receive instruction from Company.com to create a new public folder database named kingpublic whilst ensuring you configure kingpublic as the default public folder database for each mailbox on -ex01.What should you do?()
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