当存在铁时，本发明的合金还具有改性的共晶硅和改性的铁形态，从而导致低微孔率和高冲击性。
The alloys of the present invention also have a modified eutectic silicon and modified iron morphology, when iron is present, resulting in low microporosity and high impact properties.
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。
Speciation of Zn, Mn, Fe, Ca, Mg in Ligusticum wallichii Franch was analyzed by atomic absorptionspectrometry.
他将利用铁原子的一种非通常化学形态来净化水源，而非污染水源。
He intends to use a chemically unusual form of iron to clean water up, not make it dirty.
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