The results show that transverse magnetic field can refine the primary crystallization structure by electromagnetic stirring and improve the ultimate strength and hardness of the welded joint.
结果表明，通过外加横向磁场对熔池进行搅拌，可以使焊缝晶粒得到细化，进而使其抗拉强度和硬度等力学性能得到改善；
According to the primary procedure of the formation of microcrystalline starch, the preparation methods were classified as retrogradation, hydrolyzation and crystallization.
微晶淀粉的制备方法按生成微晶的主要步骤可划分为回生法、水解法和结晶法三类。
According to the primary procedure of the formation of microcrystalline starch, the preparation methods were classified as retrogradation, hydrolyzation and crystallization.
微晶淀粉的制备方法按生成微晶的主要步骤可划分为回生法、水解法和结晶法三类。
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