Studied the reason and the countermeasure of longitudinal surface crack of Ma-Steel beam blank.

研究了马钢连铸异型坯表面纵裂纹的成因和对应措施。

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For shape of CC beam blank is complex, there are more rate of longitudinal crack on the surface.

连铸异型坯由于其形状复杂，表面纵裂纹发生率较高。

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This paper describes the study on the flow field in the beam blank mould by means of the hydraulic experiment.

采用水力学试验的方法，对异型坯结晶器内的流场进行研究。

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Holograms are interference patterns generated by the interaction of a blank reference laser beam with a second beam that has been reflected from an object of interest.

ECONOMIST: Researchers can now broadcast moving holograms