Method: 23 alexithymics and 23 non-alexithymics were screened out in university students, they were required to judge whether the target pictures were positive or negative as soon as possible while prime pictures were supraliminally or subliminal.

Using panel mechanization,the rd and 4th slices of stope 176 were mined by method of upward horizontal slicing and consolidated fill with tailing.

These newproperties are expressed in terms of the properties of arid relationships between the levelset, the upper level set, the relative interior, and the relative boundary of the upper levelset.