The influence of concentration of KH-570silane coupling agent solution to the pull-off bonding strength of concrete at the new-to-old interfacial layer was studied through experiment.
试验探讨了KH - 570硅烷偶联剂溶液浓度对新老混凝土粘结界面层拉拔强度的影响。
The gradient PPS/FEP composite anti-corrosive coatings were prepared on carbon steel. The bonding strength of all coating systems was determined by the pull-off test.
在碳钢表面制备了具有梯度结构的PPS/FEP复合防腐蚀涂层，采用拉开法测定了各涂层体系的结合强度。
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