Zn-Fe-Cr-O 氧化物
zn-fe alloy 锌铁合金
alloy zn-fe 锌铁合金
Zn-Fe compound 锌铁化合物
zn-fe alloying 锌铁合金化
Zn-Fe-alloying 锌铁合金化
cu pb zn fe 铜铅锌铁
cu zn fe mn 铜锌铁锰
Speciation of Zn, Mn, Fe, Ca, Mg in Ligusticum wallichii Franch was analyzed by atomic absorptionspectrometry.
利用原子吸收分光光度法对中药川芎中锌、锰、铁、钙、镁五种元素的形态进行了研究。
The Zn-Ni and Zn-Fe alloy plating processes and their characteristics are introduced.
介绍了电镀锌-镍合金与电镀锌-铁合金的工艺，并突出介绍其工艺特点。
The drawing difficulty is settled by adopting small draught and multi-pass drawing process, reducing the thickness of Zn-Fe alloy and using artificial aging process actively.
通过采用小压缩率多道次拉拔工艺，减少锌-铁合金的厚度，积极采用人工时效工艺等解决了拉拔困难的问题。
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