较详细地介绍了化学电源用隔膜电阻的两种测试方法——相对电阻率法和面积电阻法,两种测试方法的原理、使用仪器及测试线路、测试步骤等。
The definition of resistance for separators used in electrochemical power sources and two approaches to determine the resistance with unit Q cm2(fi, )and K (resistivity of separator vs.
研究发现,随着复合材料中石墨含量的增多,材料的相对密度、布氏硬度值降低,电阻率升高。
The results showed that the relative density and Brinell hardness decreased while the electrical resistivity increased with the increase of graphite content.
在同等阳离子交换容量变化时,饱和高矿化度水的岩石电阻率降低值相对大。
When the equal amount of cation exchange changes, the reduced value of the rock resistance which has high salinity water is big in contrast.
从此观点出发,导出以二层电性剖面为特征的台站正常地电阻率相对似年变化幅度公式。
From this model section, a formula is obtained for calculating the amplitude of relative apparent annual variation of resistivity at a station characterized by two resistivity layers.
将以上方法应用于塔里木油田水平井测井解释中,确定了井眼轨迹与地层的相对位置,计算了地层水平电阻率的大小。
This method has been used in the horizontal well logging interpretation in Tarim oilfield to identify the relative position between well track and strata and to calculate the horizontal resistivity.
该储层具有裂缝-孔隙双重孔隙网络,常形成相对低电阻率油层。
The reservoirs often form the low contrast resistivity oil layers because they have the dual pore networks, that is, fractures and pores.
自动地电阻率法在探测地下老窑巷道等地质异常体中,当异常体的埋深增加时,其相对视电阻率曲线的异常会逐渐变得平缓而且模糊。
In detection of underground old kiln roadways and geological bodies by automatic earth resistivity method, the anomalies gradually become smoothly and fuzzy with their depth.
与根据电流泄漏进行的电阻率测量相比,对电磁性质进行的测量与更大的轴向距离和更大的横向距离相对应。
The measurements of electromagnetic properties correspond to a larger axial distance and to a greater lateral distance than the measurements of resistivity from current leakage.
当新型无银触头材料的相对密度与银氧化物触头材料的相对密度相同时,两者电阻率相当,而其硬度高于银氧化物触头材料的;
The properties of the material, such as density, hardness, resistivity, arc resistance and temperature characteristics, are all similar to those of the silver oxidization contact materials.
当新型无银触头材料的相对密度与银氧化物触头材料的相对密度相同时,两者电阻率相当,而其硬度高于银氧化物触头材料的;
The properties of the material, such as density, hardness, resistivity, arc resistance and temperature characteristics, are all similar to those of the silver oxidization contact materials.
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