Effect of sludge on degree of smudge and corrosion resistance of tinplating;
镀液锡泥对黑灰程度及镀层耐蚀性的影响
Effect of electrolytic passivation on degree of smudge on tinplating steel sheet;
电解钝化对镀锡钢板黑灰程度的影响
Based on these results,the following were concluded:the ejection technique of the pottery moulds has existed in Houma site at that time,meanwhile,grey and black surface of a part of pottery moulds was formed by daubed organics after carbonizin.
为了解部分陶范表面存在的未知用途的黑灰层物质的组成和作用,采用了红外光谱(FTIR)、X射线荧光(XRF)、X射线衍射(XRD)、喇曼光谱(RAM)等分析方法对其进行了综合测试研究,对陶范表面黑灰层的组成和物相进行了较深入分析,揭示出黑灰层形成的3种成因。