This article introduces a method to measure the relative dielectric constant of liquid dielectrics in physical experiments, with a special capacitor made by ourself.
通过自制的专用电容器，采用电容测量仪测电容的方法，在物理实验中开设液体电介质的相对介电常数的测量实验。
Scaling of ash sluicing pipes is a problem widely existing in hydraulic ash sluicing pipes of fossil-fired power plant, chemical method or physical method is usually used as antiscaling measure.
火电厂水力输灰管道普遍存在发管结垢问题，通常采用化学方法或物理方法的防垢措施。
Owing to a small fluid flowing rate, it is difficult to measure and interpret the physical parameters of low permeability tight rocks by use of conventional core analysis method.
对于低渗透致密岩石的物性参数，由于流体流动速率很小，采用常规的岩心分析方法难以测量和解释。
According to physical signification, three metrical methods are introduced: optical communication stimulant method, extremal measure method and frequency doubling modulation method.
根据其物理意义，介绍了三种测量方法：光通信模拟法、极值测量法、倍频调制法。
This method doesn't need special card. And it can measure various physical quantity conveniently.
这种采集方法无需在微机中插卡，使用方便灵活，适用于各类物理量的测量。
The finite element theory of temperature and stress field in the process of cast solidification, and method to measure material thermo-physical parameter were concluded.
总结了铸件凝固过程中温度场、应力场的有限元理论以及材料热物性参数的测定方法。
The finite element theory of temperature and stress field in the process of cast solidification, and method to measure material thermo-physical parameter were concluded.
总结了铸件凝固过程中温度场、应力场的有限元理论以及材料热物性参数的测定方法。
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