建立了填埋场渗漏检测高压直流电法漏洞电流模型。
A new leak current model of high voltage DC leak detection is developed.
利用高压直流电法对双衬层填埋场渗漏检测进行了研究。
Leakage location of double liner landfill is carried out which is based on high voltage DC method.
通过比较国外多种填埋场渗漏检测方法,成功地研制了基于高压直流电法的渗漏检测系统。
A new leakage detection system based on high voltage DC method was successfully developed through comparison among foreign methods used in landfill leakage detection.
通过辽宁思拉堡热水井的成功探测实例,介绍直流电法综合参数在地热探测中的实际应用效果。
The article introduces the application of DI resistivity method in geothermal prospecting through a case of the hot water well in Silapu, Liaoning.
通过对国外填埋场渗漏检测的多种方法的比较,成功研制了基于高压直流电法的渗漏检测系统。
A new leakage detection system based on high voltage DC method was successfully developed through comparison of various methods.
我国东北森林覆盖区地表植被发育,低阻盖层较厚,岩石露头少,常规直流电法低阻屏闭影响严重。
The Northeast of our country, being a forest-covered areas, where vegetation grows fully and covers heavily, low-resistivity overburden in this areas is thick and rock outcropping is sparse.
目前直流电法超前探测技术探测掘进工作面前方灾害性水文地质异常体已成为煤矿生产安全方面有效手段之一。
At present, the pre detection technique of DC method to detect the disaster of the front side of the working face has become one of the effective methods in the coal mine production safety.
偶极子法属于高压直流电法的一种,具有操作简便、费用低廉,可操作性强,并能对防渗层进行百分之百的无损检测,已成为防渗层施工验收采用的主要方式。
The dipole method, which utilizes high-voltage direct current, is a simple, low-cost, and highly workable method to fully detect the liner without destruction.
直流电沉积法可用来制备高度有序的金属纳米线阵列,且通过控制模板孔径可实现对其结构和性能的调控。
The DC electrodeposition method can be used to prepare highly ordered metal nanowire arrays that their structures and properties can be adjusted by controlling the pore sizes of the AAO templates.
如此,在容限电压法当中,直流电压和和有功功率分别被整流器和反相器所控制。
Thus, in the voltage margin method, the dc voltage and the active power are separately controlled by the rectifier and the inverter, respectively.
通过交、直流电路在使用基尔霍夫方程组解题的分析讨论,可知回路电压方程采用网孔法比较准确,不易出错。
When using mesh, closed circuit voltage equation groups will be more exquisite, direct complex circuit is the special case of alternating complex circuit.
木文研究了间接直流电位法(IDC法)和交流电位法(AC法)用于监测疲劳短裂纹扩展速率的有关技术问题。
The technique of measurement of growth, rate of fatigue short crack with indirect KC (IDC) potential system and AC potential system was investigated.
本文用参数变异法给出串激直流电动机在不同转速情况下的运动方程的解析解,以拓宽人们分析这类问题的思路。
In this paper, parametric variation method is used in kinematic equation of series excitation direct current motor with different turning velocities.
将任意分布的电流源产生的电磁场看作是电偶极子产生的电磁场的叠加,利用镜像法推导了上半空间中的垂直直流电偶极子在两层媒质中产生电磁场的解析解。
The analytical expressions of the electromagnetic field generated by the DC electric dipole in the upper space for the two-layer mode were obtained by using the method of mirror image.
叙述了涂层金属耐腐蚀性的几种电化学测定方法,例如直流电阻法、交流阻抗法、电位时间法、充电曲线法。
Several electrochemical determination methods to test the corrosion resistance of coated metals were described, such as DC resistor, AC resistor, potential time and charging curve.
对于常规的直流电测深法,由于其电极距一般以近似等对数间隔逐渐增大,使得网格单元剖分呈现出不规则性。
In the traditional resistivity sounding method, the pole distance increases little by little with equal logarithm interval, which brings on grid irregular elements.
首先介绍了直流电位法——裂纹扩展片检测裂纹的方法和原理。
The principle and method for testing surface crack through direct current potential difference are introduced.
阐述了直流检测法在绝缘监测中的应用机理。采用直流电桥测量方法,具有灵敏度高、测量精度高等优越性。
The use of DC test method for insulation monitoring is justified. The measurements made with DC Bridges feature high sensitivity and high accuracy.
介绍了一种新的无位置传感器无刷直流电动机的转子位置检测方法-速度无关位置函数法。
A novel method of rotor position detect for sensorless brushless DC motor was introduced, that was the method of speed-independent position function.
采用有限元法计算分析了定子偏心与转子偏心对无刷直流电动机的气隙磁场、定位力矩及单向磁拉力的影响。
The effects of stator and rotor eccentricity on the magnetic field distributions, cogging torque and unbalanced force were calculated in this paper by using finite element method (FEM).
针对变压器绕组直流电阻测试特点,提出了“消磁动态测试法”,将静态测量法与动态测量法有机统一起来。
This paper brings up a method called demagnetization dynamic measurement system for measuring the direct current resistance (DCR) of the transformer due to the characteristics of the windings.
容压法电力交换控制已经应用于终端控制器的直流电压控制部分和有功功率控制部分。
The voltage margin method for interchange power control was applied to the dc voltage control block (DC-AVR) and the active power control block (APR) in the terminal controller.
反电动势法是检测无刷直流电机转子位置用的最简单、最常用的方法。
The "Back-EMF" method is the simplest and most popular method for detecting the rotor position in trapezoidal brushless dc motor.
无刷直流电机电枢反应造成反电势法无传感器控制中的转子位置检测误差。
The armature-reaction in a sensorless brushless DC(SLBLDC) motor causes detection error of rotor position and consequently leads to advanced or lagged commutation.
利用直流电弧法,合成了含钙的富勒烯金属包合物。
Ca-containing Endohedral Metallofullerenes were synthesized by DC arc discharge method.
以西安地裂缝为例,探讨了电阻率法勘察地裂缝的应用效果及直流电阻率法的勘探深度问题。
Taking Xi′an ground fissures as an example, the effectiveness of resistivity method in surveying ground fissures and the depth of detection of DC electrical method are discussed.
介绍了凸极无刷直流电动机转子位置检测的电流注入法。
This paper describes a current injection method to detect the rotor flux position of the salient-pole brushless DC motor.
论文在介绍常用的无位置传感器无刷直流电机控制方法的基础上,详细分析了“反电动势法”无刷直流电机控制原理。
In this paper the common methods of sensorless control of BLDCM are introduced, and the principle of back-EMF method is illustrated in detail.
本文叙述在电感储能电路系统中,采用人工过零方法开断脉冲高压强流直流电路时,开断电路参数的匹配,并给出了用真空开关进行试验的结果。
This paper describes the breaking research in HVDC circuit with inductor-energy-storing aad high implue current , also gives the parameter matching of breaking circuit and the test results.
介绍了一例用助磁法测量大型变压器低压侧直流电阻的接线、仪器、测试过程和测试结果,讨论了助磁法运用于实际应注意的一些问题。
The paper introduces the saturable magnetic circuit method to measure the DC resistance of low voltage winding of large-size transformer with a practical application.
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