The structures of the carbon-doped TiO 2 were investigated by TEM, N 2 adsorption-desorption isotherm measurements, XRD and XPS.
掺碳的二氧化钛的结构由透射电子显微镜（TEM ）、氮气吸附-解吸等温线、XPS等表征。
As a result of the expansion of micropore in zeolites, the desorption isotherm is different from the adsorption isotherm.
由于沸石微孔扩张，脱附等温线与原先的吸附等温线有所不同。
When the concentration of surfactant is above 0.1%, the adsorption and desorption on the reservoir sand are balanced, in which the adsorption isotherm is level.
浓度大于0.1%，油砂表面的吸附与脱附达成平衡，吸附等温线出现平台。
When the concentration of surfactant is above 0.1%, the adsorption and desorption on the reservoir sand are balanced, in which the adsorption isotherm is level.
浓度大于0.1%，油砂表面的吸附与脱附达成平衡，吸附等温线出现平台。
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