Lead-lead dating of chondrules in ordinary chondrite Semarkona;
普通球粒陨石Semarkona中球粒的PbP-b法年龄
Due to spherical particles have superior performance,there is bright perspective to develop the method to manufacture spherical particles in industrial scale.
由于球粒在造粒中有着优越的性能,开发用工业方法制备大小均一、圆球度好、表面光洁的球粒造粒方法有着巨大的应用前景。
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