The composition and forming mechanism of black strips on Al-Zn-Mg-Cu hot rolled plates were studied.

研究了热轧高锌合金板材表面黑条缺陷的成分、产生机理及消除方法。

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Conclusion: DHPO could effectively promote the elimination of Al in kidneys, protect the kidney from Al-induced damage, and has no effect on the excretion of Zn, Cu, fe, Ca and Mg.

结论：DHPO在促排铝的同时，对肾脏中锌、铜、铁、钙、镁含量无影响，且能使受损的肾功能得到恢复。

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