浇注温度提高，枝晶臂的长大速度增大，上述物理冶金作用能够部分细化球化奥氏体，但其圆整度较差，尺寸较大。

With the increasing of casting temperature, the dendrites grew fast, which could spheroidize and fine partial austenite with worse circularity and bigger size.

youdao

与现有技术相比，本发明可以生产高强度的长枝化聚烯烃，偶联度可控，成本低廉，生产率高。

Compared with the prior art, the method can produce high-strength long-shoot polyolefin, and has the advantages of controllable coupling degree, low cost and high productivity.

youdao

与现有技术相比，本发明可以生产高强度的长枝化聚烯烃，偶联度可控，成本低廉，生产率高。

Compared with the prior art, the method can produce high-strength long-shoot polyolefin, and has the advantages of controllable coupling degree, low cost and high productivity.

youdao