论述了感应淬火零件的残余应力形态，并对载货车半轴的材料、硬化层深度及法兰圆角淬火层分布提出了个人见解。

This paper demonstrates residual stress of induction quench parts and personal views about stress distribution of flange corner heat treatment, truck half axle material and depth of hardened layer.

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多发性硬化症斑块多发生于侧脑室体部旁和大脑半球半卵圆中心，胼胝体和脑干也是好发部位。

RESULTS Multiple sclerosis plaques located in the periventricular area, central of cerebral hemisphere and also at the corpus callosum and brain stem.

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半水石膏凝结硬化很快，其初终凝时间为6 ~ 30分钟，可操作时间只有5 ~ 10分钟，往往不能满足石膏基材料的成型与施工的需要。

Setting time of gypsum plaster is very short, usually only 6 ~ 30 min, and operation time is only 5-10 min, which cannot satisfy the practical plastering and construction of gypsum-based material.

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