通过改变气体种类、压力和熔体极性，研究了各种因素对熔体脱硫的影响。
The effects of various factors on the desulphurization of melt were studied by changing gas species, gas pressure and melt polarity.
实验结果表明，靶材的种类、反应压力、反应气体的流量等因素对纳米晶的粒度和晶型等性能均有影响。
The experimental results show that the process parameters such as the kind of target, reaction pressure, the sorts and rate of airflow affect the shape and the size of nanocrystals.
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