纳米级精炼剂是一种采用纳米技术制备的高效精炼剂，用于金属冶炼、材料加工等领域。它通过纳米级别的粒度，提供了更大的表面积和更高的活性，从而增强其在精炼过程中的效果。

纳米级精炼剂可以用于去除金属中的有害杂质，提高金属的纯净度和性能。在材料加工领域，纳米精炼剂则可以用于改善材料的组织结构，提高材料的力学性能和耐腐蚀性。

Nanoscale refining flux is a kind of high efficiency refining flux prepared by nanotechnology, which is used in metal smelting, material processing and other fields. It provides a larger surface area and higher activity through its nanoscale particle size, thus enhancing its effectiveness in the refining process.

Nanoscale refining flux can be used to remove harmful impurities in metals and improve the purity and performance of metals. In the field of material processing, Nanoscale refining flux can be used to improve the structure of materials, improve the mechanical properties and corrosion resistance of materials.