The anti-corrosive mechanism, preparation procedure in lab, manufacture process, performance test and application fields of Zn-Cr coating technology are introduced.
介绍了锌铬膜涂层的防腐蚀机理、 实验室制备过程、生产工艺过程、性能检测和应用领域；
The preparation process, mechanical performance and construction methods of a prepared polyurethane composite board of external thermal insulation for outer-wall were introduced.
介绍了一种外墙外保温用预制聚氨酯复合板的制备工艺、技术性能和施工方法。
Concept of PTFE dispersion and its performance are introduced. PTFE glass cloth, its derivative products and PTFE porous metal, preparation thesis and method process are reviewed, respectively.
介绍了聚四氟乙烯分散液的概念和有关性能。叙述了PTFE玻璃布及其衍生产品和PTFE多孔金属的性能和用途，制备原理、方法和工艺。
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