...定方法的改进与应用-论文范例 关键词 硼铁合金；碱性熔剂；对硝基酚指示剂；甘露醇；酸碱滴定法 [gap=882]Keywords ferroboron， alkaline flux， P-Nitrophenol indicator， mannitol， acid-base titration ..
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Tests were studied to make an approach to ferroboron by ICP-AES technology.
为建立用ICP - AES技术分析测定硼铁的方法开展了试验研究。
Using a prefabricated porous ferroboron lump, a surface composite layer was made on gray cast iron matrix, with a common casting method.
通过预先制备带有孔隙的硼铁合金预制块，用普通浇注的方法，获得以灰铸铁为基的铸造表面复合材料。
Small amounts of boron were transferred from the electrode to weld metal by adding boron oxide or ferroboron powder to the electrode covering.
通过在焊条药皮中加入氧化硼或硼铁向焊缝渗入微量硼。
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