对常规测井和核磁共振测井的渗透率公式进行了比较，发现各渗透率公式存在相互联系。
Comparison of various permeability equations in conventional logging and nuclear magnetic resonance logging indicates that there is an inter relationship among these equations.
核磁共振测井可以准确地提供地层的自由流体体积和束缚流体体积、有效孔隙度及其渗透率，能较好地判断干层、水层及气层。
NMR Logging can provide accurate values of irreducible liquid, movable liquid, effective porosity and permeability, and also identify the tight zone, water zone and gas-bearing zone.
并通过红外、固体核磁共振以及高温凝胶渗透色谱（GPC）等途径对产物的纯度及氘代率进行了表征。
Furthermore, by the method of FTIR, 1H NMR and GPC, the deuterated ratio and structure ofd-PE have been characterized.
并通过红外、固体核磁共振以及高温凝胶渗透色谱（GPC）等途径对产物的纯度及氘代率进行了表征。
Furthermore, by the method of FTIR, 1H NMR and GPC, the deuterated ratio and structure ofd-PE have been characterized.
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