在可交换条件下,当响应变量为多维时,利用结构回归模型研究总体平均处理效应的估计。
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.
根据宣城沸石化学成分、可交换阳离子组成和热处理晶体结构演化,判断宣城沸石为富钙斜发沸石,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.
水滑石(LDH)因其特殊的层状结构、层间距可调性和层间阴离子可交换性,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.
本论文利用水滑石层状结构特点和层间离子的可交换性,将其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.
本论文利用水滑石层状结构特点和层间离子的可交换性,将其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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