去极化电流
- 网络depolarizing current;TSDC
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在受到长的强度不变的去极化电流时,多数神经元表现出明显的锋电位频率适应。
When presented with long depolarizing current pulse of constant amplitude , most of the neurons exhibited pronounced adaptation of spike frequency .
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结果①在电流钳,gp120可使终末去极化电流激发快速动作电位的数目增加;
Results The results showed as follows : Under current clamp , gp120 increased numbers of the fast action potentials elicited by a terminal depolarizing current .
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持续去极化电流刺激可诱发DRG神经元发生重复放电,其放电频率与去极化程度成正比。
Repetitive firing can be induced by a sustained depolarizing stimulation in DRG neurons with frequency proportional to the intensity of depolarization .
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通过热诱导去极化电流法(TSDC)进行极化机理分析得出,极化区域位于玻璃表面很薄的一层区域内,与理论计算结果相符。
The poling mechanism was studied by the method of thermally stimulated depolarization current ( TSDC ) and the poled regions was found in the thin surface layer of glasses , which was the same as the calculated result in theory .
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变压器老化评估的极化去极化电流分析法
Polarization Current Analysis for Transformer Ageing Assessment
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而当油纸绝缘受潮时,其极化去极化电流将大幅增大。
When the oil-paper insulation damp , its polarization and depolarization current will significantly increase .
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油纸绝缘变压器老化状态评估的极化/去极化电流技术研究
Study of polarization and depolarization current measurements for assessment of aging state of oil-paper insulated transformers
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比较了各种变压器绝缘老化评估方法,介绍了一种新的变压器老化评估的方法&极化去极化电流法。
Some kinds of methods for transformer insulation ageing assessment are compared . A new method , polarization and depolarization current analysis , for transformer ageing assessment is introduced .
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开展了大量的极化去极化电流测量试验,分析了极化去极化电流曲线受温度及含水量等影响的变化规律。
Experiments were done to measure the polarization and depolarization current , and the impact from temperature and moisture changes on the polarization and depolarization current curve were also accounted for .
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结果表明所建立的一般模型能较好的反映油纸绝缘不同温度和水分条件下的极化/去极化电流特性;纳米粒子的添加引入了新的极化机制,使油纸绝缘的极化/去极化电流增大。
The results show that the general model well reflects the polarization and depolarization current of oil paper insulation at different temperatures and moisture contents . a new polarization mechanism is introduced by adding nanoparticles , making the increase of polarization and depolarization current .
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由于水分是绝缘老化的产物,论文研究了水分对极化去极化电流的影响,含有水分时电流幅值变大,在曲线的后半段衰减缓慢。
Because water is a product of insulation aging , this thesis has discussed the influence of water on the polarization and depolarization current , the result shows the current amplitude becomes larger and the depolarization current curve decays slowly when the paperboard contains water .
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我们的研究表明,NMDA受体不仅参与刺激前扣带皮层的第五层细胞或刺激白质诱导的突触反应,而且参与在胞体施加去极化跃阶电流诱导的动作电位的发放。
Here we present evidence that NMDA receptors not only contribute to normal synaptic responses induced by stimulation of local layer V or white matters , but also contribute to generation of action potentials induced by a depolarizing step applied to the soma .
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结论:戈那瑞林对初级感觉神经元GABA介导的去极化和GABA激活电流具有抑制作用。
CONCLUSION : Gonadorelin exerts an inhibitory effect on GABA-induced depolarization and GABA-activated current in the primary sensory neurons .
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方法:在新鲜分散的中、小型大鼠背根节神经元运用全细胞膜片钳技术,观察给予胞内去极化,超极化电流刺激引起细胞放电的特征。
METHODS : Whole cell patch clamp experiments were performed with medium and small DRG neurons freshly isolated from rats .
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豚鼠乳头肌单细胞动作电位0期去极化跨膜离子电流的相平面曲线分析
Analysis of Phase Plane Trajectory of Transmembrane Ionic Current at Depolarized Phase O of Action Potential in Single Cell of Papillary Muscle of Guinea Pig