采用一种新型中间合金复合细化剂，在常规生产工艺条件下对高温合金K4169铸件进行了晶粒细化。
The ingots of cast superalloy K4169 was refined with the addition of a trace of intermetallic compounds to the melt under conventional casting condition.
本发明公开了一种新型纳米材料复合可见光催化剂及其制备方法，属精细化工领域。
The invention discloses a novel nano-material composite visible light catalyst and a preparation method thereof, and belongs to the field of fine chemicals.
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