The condition is characterized by weakness resulting from excessive depolarization of the motor end-plate. 其特征为无力,这种无力起因于运动终极的过度去极化。
Method Combined unipolar and bipolar mapping technique for recording epicardial electrical activity was applied to detect the propagation of depolarization wave over the epicardium. 目的研究适用于心外膜现场(实时)标测的方法,了解除极波的传播规律与路径。
The error caused by the depolarization effect of the grating is analyzed. 分析了光栅退偏效应的影响,与差动双频激光干涉仪进行了比对。
The crystal structure, and piezoelectric properties and depolarization temperature of the ceramics were investigated. 研究了该体系陶瓷微观结构、压电性能和退极化温度变化规律。
By using the construction of two NdYAG rods in laser resonator, depolarization effects caused by thermal birefringence have been compensated effectively. 利用双棒串接结构,对热致双折射效应引起的退偏效应进行了有效的补偿。
In this paper, the depolarization mechanism of a monochromatic light crystalline quartz depolarizer is studied. 研究了单色光石英退偏器的退偏机理;定义了退偏度作为衡量退偏器性能的物理量。
A Novel Resonator with the Functions of Thermal Induced Depolarization Compensation and Self-Selecting Mode Stress-birefringence results in depolarization and also affects the laser output quality. 具有退偏补偿及自选模功能的新型谐振腔热应力双折射对光束产生较大的退偏作用,从而影响激光器的输出性能。
Because there exist the depolarization effects in a majority of systems, the depolarization problem of system itself must be considered in the process of imaging. 由于大部分光学系统都存在消偏振效应,因此系统自身的消偏振问题在成像过程中必须考虑。
Nerve impulses, hormone and organ-specific irritant can cause cell membrane depolarization. 神经冲动、激素及器官特异刺激物可以引起细胞膜去极化。
Because GABA can induce primary afferent depolarization ( PAD), our results suggest that caffeine may be able to antagonize the effect of presynaptic inhibition of GABA in primary afferent. 已知GABA作用于初级感觉神经元能引起初级传入去极化,因而实验结果提示,咖啡因有可能在初级传入末梢产生对抗突触前抑制的效应。
Abstract: The measurement method of the polarization grade for the source and depolarization and the concept of the polarization error for the illuminance meter are described. 文摘:介绍了光源偏振度的测量和消偏振的方法以及照度计偏振误差的概念。
The QT interval represents the time for both ventricular depolarization and repolarization, therefore roughly estimates the duration of an average ventricular action potential. QT值的延长是种心室传导的疾病,可能出现在去极化或再极化的过程。
A Study of Numerical Simulation on Condensative Steam Flow in the End Stage of Turbine; primary afferent depolarization 汽轮机末级蒸汽凝结流动的数值模拟研究初级神经末端除极化
Piezoelectric Properties and Depolarization Temperature of Lead-free Piezoelectric Ceramics of BNT-BKT-BiFeO_3 BNT-BKT-BiFeO3无铅压电陶瓷的压电性能和退极化温度
This introduces partial depolarization of the light. 这会使光部分地退偏振。
By laser Raman spectrum method, the samples'full width at half maximum ( FWHM) and depolarization ratio of laser Raman spectrum at stretching vibration were measured. 运用激光拉曼光谱的分析方法,测量了它们的激光拉曼谱在伸缩振动拉曼峰处的半峰全宽,同时也测量了样品在伸缩振动拉曼峰处的退偏振度。
Additionally, the depolarization ratio tends to linearly vary with the increase of altitude and the decrease of temperature. 根据结果还可以看出卷云的消偏振度随着高度的增加或者温度的降低而相应的增加。
This paper presents the theoretical evaluation for the laser scattering from the waved seawater surface with the random facet model and the depolarization property of the seawater surface. 基于随机面元模型,建立了海面对激光散射的理论模型,详细分析了海面散射的退偏振特性。
Study of polarization and depolarization current measurements for assessment of aging state of oil-paper insulated transformers 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
According to Mueller matrix of ideal Depolarization, discussed the Mueller matrix of different combinations wave-plate. 根据理想退偏器的米勒矩阵形式,分析讨论了不同组合的复合波片的米勒矩阵。
Comparing to the depolarization technique, the effect of temperature change and vibration will be avoided, hence, the whole performance of IFOG can be promoted. 与应用较为广泛的混偏技术相比,可以避免温度变化、振动等原因对光纤陀螺系统精度的影响,从而提高光纤陀螺的整体性能。
The influence of the depolarization effect on the third-harmonic generation spectrum in an asymmetric semi-parabolic quantum well is studied. 在半抛物量子阱中,给出三次谐波产生的数值结果。
Activation of Kenyon cells induced depolarization in projection neurons and local interneurons in the antennal lobes in a nicotinic receptor-dependent manner. 蘑菇体的激活以乙酰胆碱受体依赖的方式诱发了触角叶的投射神经元和局部中间神经元的去极化改变。
PubMed abstract: Long-term potentiation ( LTP) is an enhancement of synaptic strength that can be produced by pairing of presynaptic activity with postsynaptic depolarization. 《公共医学图书馆摘要》:长期电位化(LTP)以前突触活动联对后突触除极化,增加突触讯号强度。
Here, Bartlett and colleagues show that the hippocampus contains a population of neural stem cells that are usually latent but can be activated by neural depolarization. Bartlett和他的同事表明,海马包含了一群神经干细胞,通常处于非活化的,但可在神经去极化的时候被激活。
Statistical Depolarization of Cascade Fiber Rings Depolarizer 级联光纤环形退偏器的统计退偏分析
The study of the depolarization field influence on ferroelectric films within the TIM model 用横场伊辛模型研究退极化场对铁电薄膜的影响
Primary afferent depolarization delay of menarche beyond age 18. 初级神经末端除极化岁以上月经初潮的延误。
In addition, there is an optimal incident angle for depolarization of linearly polarized light with different wavelengths, which is equal to their effective Brewster angles, respectively. 对于不同波长的入射线偏振光,存在一个最佳的入射角,等于其各自对应的有效布鲁斯特角。
Finally, the effect of the rainfall depolarization on the dual-polarization frequency reuse system is analyzed. 最后,研究了降雨及去极化效应对频率复用双极化系统性能的影响。