10m2

1

Environment-friendly thick film conductor paste adopts ultrafine Pd-Ag alloy powder made by chemical methods as functional phase . Alloying is complete . Average grain is 0.1 μ m and specific surface area is 10m2 / g.

环保型厚膜导体浆料，采用化学法制超细钯银合金粉作功能相，合金化完全，平均粒度0.1μm，比表面积10m2/g；
2

Introduces the abrasive jet system for the pretreatment to steel pipe surface and the cleaning experiment on steel pipes with it . The result shows that the system may be used to pretreat steel pipes with different dimeters at the efficiency of 10m2 / h.

介绍了前混合磨料射流钢管表面预处理系统，用该系统对钢管进行了清理试验，结果表明该系统可对不同直径的管件进行预处理，其效率可达10m2／h。