| 1. | It may limit the amount of sparkover to an acceptable rate .
它可把火花放电频率控制在允许范围内。 |
| 2. | Changes of discharge frequency in pf neurons of rat with myocardiac ischemia
心肌缺血大鼠丘脑束旁核神经元放电频率的变化 |
| 3. | Changes of discharge rate and pattern of 5 - hydroxytrypamine neurons of dorsal raphe nucleus in a rat model of parkinson ' s disease
羟色胺能神经元放电频率和放电形式的变化 |
| 4. | All results of present study are as follows ; ( 1 ) 98 % cells ( n = 157 ) in visual area 1 had spontaneous activity and 95 % ( n = l65 ) cells gave rcsponsc to the light stimulation of contralateral eye
给予对侧视网膜光刺激，可诱发95 ( n = 165 )的皮层神经元单位放电活动产生变化，表现为放电频率增加( 97 )和减少( 3 ) 。 |
| 5. | To study activity of neurons , firing frequency has been observed for a long time . but we can not understand more knowledge about the communication of neurons because firing frequency contains little information
以前通过观察放电的多少即放电频率来描述神经元的活动，这种方法所含的信息量有限，难以实现神经元之间的复杂通信。 |
| 6. | Results : 1 . data obtained from electrophysiological experiments : ( 1 ) in 73 rats , spontaneous discharge was recorded from 131 neurons . the patterns of electric activity of neurons showed in phasic , continuous and single firing 3 types
结果: 1 .电生理实验结果: ‘ ( l )在73只大鼠，记录到pvn自发放电神经元131个，放电模式为:位相型、连续型和单个型，放电频率有高频、中频和低频。 |
| 7. | By applying related theory of gas discharge and mathematical statistics , this paper more in - depth and systemic study the influence of the length of air gap , ice state , water conductivity and air pressure on the inception corona and pulse discharge characteristics , included the discharge frequency , discharge amplitude and time interval
根据试验结果,用气体放电和数理统计方法,分析了覆冰水电导率、冰的状态(干冰和湿冰) 、空气间隙长度、气压和施加电压等参数的变化对间隙模型的起始放电电压、脉冲放电特性、放电频率、放电幅值和时间间隔等的影响。 |
| 8. | Our previous studies demonstrated that agmatine not only reduced the amplitude of action potential ( apa ) , maximal rate of depolarization ( vmax ) , velocity of diastolic ( phase 4 ) depolarization ( vdd ) , and rate of pacemaker firing ( rpf ) , but also prolonged 90 % duration of action potential ( apd90 ) in a concentration - dependent manner
我们先前的实验证明，胍了胺可剂量依赖性地抑制兔窦房结起搏细胞的0相最大上升速度( v _ ( max ) ) ，动作电位幅度( apa )和舒张期除极化速度( vdd ) ，起搏细胞放电频率( rpf ) ，而且能延长90动作电位时程( apd _ ( 90 ) ) 。 |
| 9. | This isi series oscillation has following characters : ( 1 ) long term cycle duration , whose duration of most oscillations ranged from 3 0 - 120ms , so we called it slow wave oscillation ; ( 2 ) large amplitude of oscillation , the minimum isi is about 2ms while the maximum is beyond 40ms , which suggested that the firing frequency vary from several tens to hundred hz ; ( 3 ) abrupt turn always occurs during the continuous change in isi , this turn is called inflexion temporarily
该振荡波有下述特征： （ 1 ）振荡周期较长，多数在30 ? 120s范围，故称慢波振荡； （ 2 ）振荡幅度较大，其isi振荡最小值在zms左右，最大值可达40ms ，表明放电频率可在几十到几百k范围内变动； （ 3 ）在isi连续变化过程中往往出现突然转折，暂称其为拐点。 |
| 10. | This is in line with experimental research in rodents where central or peripheral administration of nmda - antagonists has been shown to produce effects that resemble some symptoms of schizophrenia . bilateral injections of competitive and non - competitive antagonists in the medial pfc ( mpfc ) induced hyperactivity
2 .实验中“ go ”线索呈现时， pfc神经元放电频率显著增加，高于“ no90 ”线索呈现时神经元放电频率增加值，提示对视觉警告信号的反应具有识别和分辨作用。 |
