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The present results suggest that (1) NA is not mainly concerned with spontaneous discharges of chemoreceptor sensitive to hypoxia, but does elicit an increase in spontaneous discharges, and (2) the increase of chemosensory unit discharges produced by hypoxia can be inhibited by yohimbine.

结果提示：(1)NA不是维持颈动脉体对缺氧敏感的化学感受纤维自发放电活动的主要因素，但给予NA能增加此类纤维自发放电的频率；(2)在低氧过程中，给予#alpha#_(2)受体拮抗剂育亨宾，可减弱这类纤维对缺氧反应的程度。

The results demonstrated that:(1) some primary unit after-discharges were synchronized with electrographic after-discharges in the anterior dorsal HPC network after eight or nine tetanic trains were administered.

结果， ATPDH可以沿长轴向前1.8 mm处对前背HPC神经网络产生下述效应：(1)同步或非同步原发性单位与深部电图后放电，在同步性后放电锁时关系明显。

Others desynchronized with 5－90 Hz primary depth electrographic after-discharges;(2) primary electrographic after-discharges were driven by primary unit after-discharges in the anterior dorsal HPC;(3) primary unit after-discharges were induced by brief primary electrographic after-discharges; and (4) plasticity of primary electrographic after-discharges and inhibition of single neuron firing were induced by repetitive ATPDH.

非同步性后放电的深部电图癫痫样电活动具有宽频带特征(5－90 Hz)；(2)原发性单位后放-后抑制效应可以引发低频原发性电图后放电，长时程爆发式单位放电可以诱发高频原发性电图后放电；(3)短束原发性电图后放电也可以诱发原发性单位后放电；(4)原发性电图后放电和神经元单位放电的抑制效应具有明显可塑性特征。

Reducing gear drives cam rotate to top half-turn and link gear of upper gate move, top disc opens and discharges. Spring device makes disc close and replace with displacement of cam. When cam rotates to bottom half-turn link, gear of sub-layer gate moves, below disc opens and discharges. The disc closes little by little with the displacement of cam. These two actions maintain a closed state of either disc on the pipe. So it can discharges and lock air at the same time.?

减速装置带动凸轮旋转至上半圈时，上层阀门的连杆机构互动，阀板逐渐打开卸灰，随着凸轮的旋转，弹簧机构使阀板逐渐关闭复位；凸轮旋转至下半圈时，下层阀门的连杆机构互动，阀板逐渐打开卸灰，随着凸轮的旋转又使阀板逐渐关闭，这样两个动作使管道上阀板始终有一个是关闭状态，因而，可使卸灰与锁气同时达到目的。

The present work was therefore designed to record single unit discharging from afferent fibers of DRG neuron, collect the interspike interval sequence of neuronal discharges, sum and analyze the rhythmic pattern of neuronal discharges, and finally perfuse the injured DRG neuron with different potassium channel blockers in order to identify the underlying dynamic rules of variations in the rhythmic patterns of neuronal discharges.

本研究从损伤DRG传入纤维中引导单根神经纤维放电，采集神经纤维放电的动作电位间期interspike interval，ISI）序列。归纳和分析神经元放电的节律形式，应用不同〓通道阻断剂灌流损伤DRG，观察神经元放电节律变化的动力学规律。主要结果如下

The present work was therefore designed to record single unit discharging from afferent fibers of DRG neuron, collect the interspike interval sequence of neuronal discharges, sum and analyze, the rhythmic pattern of neuronal discharges, and finally perfuse the injured DRG neuron with different potassium channel blockers in order to identify the underlying dynamic rules of variations in the rhythmic patterns of neuronal discharges.

归纳和分析神经元放电的节律形式，应用不同K~+通道阻断剂灌流损伤DRG，观察神经元放电节律变化的动力学规律。

In the occurrence of arcs discharges, spark discharges and corona discharges, sulfur hexafluoride (SF6) would be decomposed to complicated byproducts such as carbon dioxide (CO2), carbon tetrafluoride (CF4), etc.

六氟化硫（SF6）气体在电弧、电火花和电晕放电的作用下会发生分解，产生二氧化碳（CO2）、四氟化碳（CF4）等分解产物。

Characteristic analysis is used in internal discharges, slot discharges and end winding discharges.

最后对高压电机定子绕组的内部放电、槽放电和端部放电三种放电信号进行分析。

The phrenic nerve discharges were recorded by biopolar silver electrode, and the discharges of respiratory neurons were recorded by extracellular glass microelectrode,so the types of neurons were determined by the phasic relationship between the discharges of respiratory neurons and phrenic nerve efferents.

用双极银丝电极记录膈神经传出放电，用玻璃微电极细胞外记录延髓呼吸相关神经元单位放电，根据神经元放电和膈神经放电的时相关系来确定神经元的性质。

This study is aimed to address the question whether the early discharges can affect thesilent period and modulate the late discharges and to investigate the possiblerole of dysfunction of primary myelinated afferents in generation of chronicpain. In addition, we also investigate the effect of the precedingA-conditioning stimuli with graded numbers on the late discharges of WDRneurons evoked by a following nociceptive test stimulus that activates bothA- and C-fibers.

在定义WDR神经元的反应特性时，通常用一个短促的电刺激刺激相关的神经干，激活A及C类纤维，这时可记录到一个反映有髓纤维传入的高频短促的早成分放电，接着是一个无放电的宁静期，最后是C纤维激活所诱发的晚成分放电，这种放电形式有别于脊髓背角的其它神经元。

It is also known as one of the most poisonous naturally occurring substances.

它也被称为一个最自然发生的有毒物质。

The greatest stress is found at the location on the cross section where V is the largest.

最大应力出现在横截面上V为最大的地方。