使粒化使形成硬的微粒；
探讨了用半固态等温处理法使铸态ZA12合金初生相粒化的可行性。
The possibility of producing ZA12 alloy with globular primary structure has been studied using isothermally treating the conventional cast ingots at semi-solid conditions.
在控制砜桥副反应的同时，使用能够提高磺化速率的温度和酸浓度，使珠粒质量最佳化的同时降低了反应时间。
The use of temperature and acid concentration to increase the rate of sulfonation while controlling the side reaction of sulfone bridging minimizes reaction time while maximizing bead quality.
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