According to the present situation of coal mine electric protection, how to detect various physical phenomenon of electric and realize complete options of coal mine electric is probed. 分析了煤矿电气保护现状,探讨了如何通过检测不同的电气物理量,来实现煤矿电气保护的完全选择性,保证安全用电和连续生产。
Basing on the electric anisotropy in crystal, by its using a computer the by refraction phenomenon and its law of a single axis crystal are displayed exactly. 根据晶体中电的各向异性,利用计算机图形化编程技术,准确显示单轴晶体的双折射现象及规律。可以应用于辅助教学。
Arc is the phenomenon of electric conductivity in the atmosphere, the fierce and permanent phenomenon of electricity discharge is called arc. 电弧是一种空气导电的现象,在两极间强烈而持久的放电现象称为电弧。
Electric Magnetic Phenomenon in Electric Power Network and Its Typical Origination 电力系统电磁现象及其典型的来源
Describes the main factors that influenced the appliances power supply's series, and how to compute the actual power of electric appliances, and avoid the eletric stealing or the electric leakage phenomenon during transmission. 描述影响供电器馈电级数的主要因素,以及如何估算供电器实际功耗,及时发现传输过程中的偷漏现象。
The problem exists in the typical self inductance phenomenon experiment, The improved experiment adopts LED to show, can demonstrate setting up an electric circuit and outage self inductance phenomenon 、 polarity of inducting EMF and direction of the induced current with a piece of circuit. 传统的自感现象演示实验存在不少问题,改进的实验采用发光二极管作显示,用一个电路可演示通电和断电自感现象、感生电动势的极性及感生电流的方向。
The Analysis of Stealing the Electric Phenomenon Existing in the Society 对社会上存在的偷电现象的分析
Discuss on the electric arc phenomenon during anode graphitization 阳极石墨化过程中电弧现象的探讨
Using the RLC nonlinear circuit composed of the normal incandescent lamp, the transformer coil and the electric capacity, we may demonstrate the different phenomenon in nonlinear systems, such as the common glimmer, single stability, double stability and so on. 由普通钨丝灯泡、变压器线圈和电容组成的非线性RLC串联铁磁谐振电路,可以演示非线性系统常见的单稳态、双稳态、状态的自动跳变(闪灭)等各种现象。
At present the mechanical failure of submersible electric pump is common phenomenon during a process of oil production. 电潜泵机械故障是目前生产中的常见现象。
The uniqueness theorem is applied in the phenomenon that static electric field is shielded, it explains this phenomenon, and the relation of potential with charge is obtained inside and outside the closed metallic housing. 将唯一性定理应用到静电屏蔽现象中,从理论上解释了该现象,并得出了封闭导体壳内外电势与电荷之间的定性关系。
And the application of specificity of one-way electric conduction of diode may avoid this phenomenon and can raise reliability of parallel flat cells. 应用二极管的单向导通特性可避免这种现象发生,能提高并联迭层电池组的可靠性。
The Study Evolution of Gear Electric Erosion Phenomenon 齿轮电蚀现象的研究进展
The paper begins at electric ruin phenomenon of the electric heating converter, using electric isotropical properties of the nesa sets up one-dimensional grain line model, and gives a equilibrium energy band diagram and band tail states profile of grain line model. 从电热转换元件的电毁现象出发,利用膜材料电性能的各向同性的性质,建立了一维晶粒列模型,给出了晶粒列模型的平衡态能带图和带尾态分布;
In the continuous tuning process of the electric tunable liquid crystal Fabry-Perot filter ( LCFPF), the phenomenon of the jumping of the transmission peak spectrums is found. And this phenomenon influences the monotone tuning performance of the device. 在电调谐液晶法布里珀罗腔滤波器的连续调谐过程中,存在透射峰跳跃现象,影响器件的单调调谐性。
Research and Application in Surface Electric Phenomenon 表面电现象的研究及应用
Conclusion Exposure to electric welding could increase their oxidation load in the welders, but no obviously cumulative phenomenon of such an effect and no dose effect relationship were found. 结论电焊作业可引起电焊工体内氧化负荷加重,但这种作用不存在明显的蓄积现象,也未发现剂量效应关系。
The uniqueness theorem is applied in the phenomenon that static electric field is shielded, it explains the phenomenon. On the basic of theorem, the paper discusses the principle of Static Electric Shield and application. 本文运用唯一性定理解释了静电屏蔽现象,并分析讨论了解决实际问题的静电屏蔽原则及其应用。
The electric property of CEC will lead to some special phenomenon in the separation procedure, which can not be explained by normal chromatography theory. 毛细管电色谱在分离富集过程中可能出现一些特殊的、采用一般色谱理论所不能够解释的现象。
Seeing from the circumstance of the Chinese electric house-appliance manufacturer, along with the second integrating wave coming, the Chinese electric house-appliance industry appeared the phenomenon of an enterprise owning several brands, these enterprises also immediately throw a development for wanting to walk multi-brand strategies way. 从中国家电企业的情况来看,随着第二轮并购浪潮的到来,中国家电业出现了一家企业拥有多个品牌的现象,这些企业也随之抛出要走多品牌战略的发展思路。
To shorten charging time and improve charging efficiency, the circuit can change the charging electric current automatically according to real-time voltage of the battery, and dispel the polarization phenomenon by narrowing pulse discharge in the whole course. 该电路可根据蓄电池端电压自动改变充电电流大小,并通过全程窄脉冲放电消除了充电过程中的极化现象,缩短了充电时间,提高了充电效率。
The refractive index of some crystals changes when an electric field is applied to them. It will result in birefringent phenomenon of the light beam, based on which many of the current optical voltage transformers are studied. 某些晶体在电场作用下,折射率发生变化,当光通过时会发生双折射现象,现在研究的光学电压互感器多是基于此种现象的。
Analysis of Electric Shock Phenomenon after Earthing High Voltage Electric Rod 高压电极接地后产生电击现象的分析
The polarization and intensity of molecular fluorescence were manipulated by the electric voltage and the theory models proposed were used to explain the observed phenomenon. 研究了电场作用下单分子的荧光偏振度和荧光发射强度的变化,并通过建立相关的理论模型解释了观察到的实验现象。
The electric power-stealing phenomenon not only makes the power industry suffer a tremendous economic loss, but also threats the security and reliability of the power system. 窃电行为不仅使电力企业蒙受了巨大的经济损失,而且还威胁到系统供电的安全性和可靠性,致使供电企业的线损率居高不下。
Further, many factors will affect the electric connection reliability, such as fretting phenomenon, sliding phenomenon, and corrosion phenomenon. 影响电连接可靠性的因素有很多,例如微动、滑动、腐蚀等。
Hysteresis responses are different between metal conductors and insulators. 3. In sinusoidal electric field detection, there is no hysteresis phenomenon between positive and negative process curves. 金属导体和绝缘体的迟滞反应有所区别。3.正弦电场探测时,没有正反行程曲线迟滞现象出现。
The domestic and foreign scholars have observed the spark discharge, the strong electric field and the phenomenon of the radio interference signal in the weather of sand dust. 国内外学者均观测到沙尘过境地带的强电场和电火花及对无线电干扰信号的现象。
Waveform analysis instrument is expected to continue the trend toward more professional development, especially for field on-site services and automobile, the electric power, the physical phenomenon and mixed signals with the application. 预计波形分析仪器将仍会继续向着更专业化的趋势发展,尤其是对野外现场服务以及汽车、电力、有关物理现象和混合信号的应用。