Methods 48 patients of peptic ulcer were investigated on the knowledge of self-preservation and were given the knowledge of health education and the effect has been evaluated.

方法：对48例消化性溃疡病人进行自我防护知识调查，实施健康教育，并进行效果评价。

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It's currently being evaluated for emerging technologies such as flexible structural health monitoring systems, self-healing materials, and radiation-protective materials.

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