protective inorganic coating无机涂层
protective e coating防护层
thermal-protective e coating隔热层
heat-protective coating隔热保护层
optical protective coating光学保护涂层;光保护涂层
rubber base protective coating橡胶基防护层
antimercury protective coating[化工] 防汞保护层
optical fiber protective coating光纤保护涂料
The standard of the damaged degree of protective coating of pipeline based on voltage gradient is put forward.
提出了根据电压梯度判断覆盖层破损程度准则,进行了工程试验。
参考来源 - 基于阴极保护的埋地钢质管道外覆盖层缺陷检测与评价方法研究The permeability and durability of concrete were studied, Moreover the influence of various factors is also studied, like protective coating on concrete permeability, anti-corrosion properties and microstructure of the concrete.
同时本文还研究了混凝土结构外防护涂层对提高混凝土抗渗透性、抗侵蚀性等耐久性能的影响以及对混凝土微观结构性能的影响。
参考来源 - 盐碱干燥大温差环境下桥梁混凝土结构腐蚀机理与防护研究To improve the corrosion resistances of NdFeB type magnets, lots of attempts have been done, such as enhancing the intrinsic corrosion property of material by the addition of elements and applying various protective coating on the surface of the magnets.
为了提高NdFeB永磁体的耐腐蚀性能,人们进行了许多的尝试,这其中包括:(1)提高磁体本身的耐蚀性,即添加各种合金元素;(2)采用有效的保护涂层。
参考来源 - 烧结NdFeB永磁体化学镀Ni