In addition, the abomination agent can permeate a wall inside certain depth, thus subject to ultraviolet irradiation and atmospheric aging less influence and long service life.
此外，该憎水剂能渗透到墙内一定深度，因而受紫外线照射及大气老化影响较小，使用寿命长。
In this paper, it is proved experimentally that this kind of aging is very slow, and can not threaten the service safety of overhead lines.
本文通过实验验证了这种憎水性老化过程十分缓慢，不会对合成绝缘子的安全运行构成威胁。
The intervention strategies of social work in aged service show as follows: First, to strengthen the value of education and update aging service concept.
促进社会工作介入到老龄服务体系，一是加强价值教育，更新老龄服务理念；
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