• 可交换条件下,当响应变量多维,利用结构回归模型研究总体平均处理效应估计

    In this paper, on the basis of structural regression models the estimation of the population-averaged treatment effects is given when the response variable is a multi-dimensional vector.

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  • 根据宣城沸石化学成分可交换阳离子组成热处理晶体结构演化,判断宣城沸石斜发沸石,具有低热稳定性的特点。

    According to chemical composition, exchangeable cation and thermal behaviors of crystal structure, Xuancheng zeolite should belong to calcium-rich clinoptilolite with low thermal stability.

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  • 滑石(LDH)因其特殊结构、层间距调性层间阴离子交换性,近年来受到人们的广泛关注。

    In recent years, LDH is being paid more and more attention for special samdwich, controllability of layers interval and anionic exchanging.

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  • 论文利用水滑石结构特点层间离子可交换性,将作为选择性红外吸收材料

    This thesis selects hydrotalcite as selective IR absorption material by its characters of layer and ion-exchangeable.

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  • 论文利用水滑石结构特点层间离子可交换性,将作为选择性红外吸收材料

    This thesis selects hydrotalcite as selective IR absorption material by its characters of layer and ion-exchangeable.

    youdao

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