Objective The local causes of destruction of skin barrier function in people with acne were studied.
目的:探讨痤疮患者皮肤屏障功能受损的局部原因。
参考来源 - 痤疮患者皮肤屏障功能受损原因分析—《中国美容医学》—2010年第1期—龙源期刊网
障碍函数 - 引用次数：1参考来源 - Mather理论与弱KAM理论中的若干问题
闸函数
mather集
栅栏函数 - 引用次数：2参考来源 - cdma2000 1x EV
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Barrier function
abstract:In constrained optimization, a field of mathematics, a barrier function is a continuous function whose value on a point increases to infinity as the point approaches the boundary of the feasible region (Nocedal and Wright 1999). It is used as a penalizing term for violations of constraints.