PROBLEM TO BE SOLVED: To provide a which is not necessary to be moved to a bathtub for bathing a person for care without cooling the body before and after bathing, and a bathing system for care support. ;SOLUTION: The foldable bathtub is constituted of: a flat body part 1 composed of ...
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Nb_(14)W_3O_(44)为四方相结构,通过扫描电镜观察其微观组织可知样品为均匀分布的多面体颗粒,颗粒大小2-8μm。通过膨胀仪测出膨胀曲线,得出在RT-433K温度曲间具有稳定负膨胀性,通过拟合计算得出在RT-433K温度区间膨胀系数约为-7.12×10-6/K。2.对烧结好的Nb_(14)W_3O_(44)进行变温XRD测试,对测试出的...