The premature failure modes of firebrick forming dies made of steel 10 and its failure reason are analyzed. The possibility of using rare earth Mg ductile iron to replace steel 10 was expounded.
分析了10钢制耐火砖成型模板过早失效的形式及原因，论证了采用稀土镁球铁代替10钢制作成型模板的可行性。
Modification mechanism and existing form of Sb and Mg in Al-Si alloy were studied by using optical microscope and scanning electron microscope.
采用金相和扫描电镜分析研究了锑、镁在铝硅合金中的存在形式和变质机制。
Methods: The neuronal apoptosis in CA 1 region of hippocampus following ischemia reperfusion was detected using the MG P MY staining method which combined methyl green, pyronine and martius yellow.
方法：应用甲基绿-派洛宁-马休黄组合染色法，检测沙土鼠脑缺血后海马神经元的凋亡。
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