• 较详细地介绍了化学电源隔膜电阻种测试方法——相对电阻率面积电阻法,两种测试方法原理、使用仪器测试线路、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.

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  • 研究发现随着复合材料中石墨含量增多,材料相对密度布氏硬度值降低电阻升高

    The results showed that the relative density and Brinell hardness decreased while the electrical resistivity increased with the increase of graphite content.

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  • 同等阳离子交换容量变化时,饱和矿化度岩石电阻降低相对

    When the equal amount of cation exchange changes, the reduced value of the rock resistance which has high salinity water is big in contrast.

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  • 从此观点出发,导出以二层剖面特征台站正常地电阻相对变化幅度公式

    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.

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  • 将以上方法应用塔里木油田水平井测井解释确定眼轨迹地层相对位置计算了地层水平电阻的大小。

    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.

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  • 储层具有裂缝-孔隙双重孔隙网络形成相对电阻率油层

    The reservoirs often form the low contrast resistivity oil layers because they have the dual pore networks, that is, fractures and pores.

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  • 自动电阻率探测地下巷道地质异常中,异常体的埋增加时,相对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.

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  • 根据电流泄漏进行电阻率测量相比,对电磁性质进行的测量与大的轴向距离更大的横向距离

    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.

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  • 当新型无材料相对密度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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  • 当新型无材料相对密度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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