3) iron impurity
铁杂质
1.
Influence and treatment methods of iron impurity in nickel plating bath;
镀镍液中铁杂质的影响及处理方法
2.
The results show that iron impurity and its negative effects on coating quality can be effectively eliminated by lower current density and addtion of TTHA,and a silvery white coating can thus be obtained.
研究结果表明:采用小电流密度和加入三乙四胺六乙酸均能有效去除酸性镀锡液中的铁杂质,消除铁杂质对镀层的影响,可获得银白色光亮镀层。
3.
The feasibility to remove iron impurity by triethyl-tetra-amine-hexa acetic acid(TTHA) in high-speed tin plating was investigated,which was aiming at eliminating the negative effect caused by the ferrous ions impurities.
结果表明,TTHA能显著地提高镀层的表观质量,是一种能有效消除镀锡液中铁杂质影响的添加剂;还就TTHA影响阴极电沉积过程的作用机理进行了探讨,指出TTHA不仅可以通过螯合作用,还可以通过影响阴极电沉积过程有效地降低沉积过程中铁的干扰。
5) quality of molten iron
铁水质量
1.
By a lot of exprerimental studies and theoretic analysis, the influence factors of silicon content in molten iron were found, the good methods smelting were abtained in low silicon, so that molten iron could be smelt in low Si and the quality of molten iron will be improved distinctly.
通过对太钢高炉降硅冶炼进行大量的理论分析与实验研究,得出了铁水硅质量分数的影响因素,找到了降硅冶炼的有效途径,达到铁水低硅冶炼的目的,铁水质量有了明显的提高。
2.
The quality of molten iron is a main contradiction influencing the quality of castings,in which the purity of molten iron is the weakest link to the quality of molten iron.
铁水的质量是影响铸件产品质量的主要矛盾,其中铁水纯净度是影响铁水质量的薄弱环节。
3.
The quality of molten iron is a main condition influencing the quality of castings The pureness of molten iron is a weakest link to the quality of molten iron.
铁水的质量是影响铸件产品质量的主要因素,其中铁水纯净度是影响铁水质量的薄弱环节。
6) quality of molten iron
铁液质量
1.
The methods to improve quality of molten iron in cupola melting wa s described including:choice of raw materials,choice of cupola types,melting operation,chemical composition and temperature control of molten iron,desulphu rizing,alloying and inoculation.
论述冲天炉熔炼提高铁液质量的方法,包括原材料的选择、冲天炉形式的选择、熔炼操作、铁液化学成分和温度控制、铁液脱硫、合金化和孕育处理。
补充资料：铁质岩
| 铁质岩 ferruginous rock 一种富铁矿物的沉积岩。主要由赤铁矿、针铁矿、菱铁矿、磁铁矿、铁质绿泥石、黄铁矿等铁矿物和粘土、硅质、砂质等杂质组成。多呈黑色或灰色，具鲕状、豆状、肾状和结核状结构。按矿物成分可分为硫化铁质岩（主要矿物为黄铁矿、白铁矿等）、碳酸铁质岩（主要矿物为菱铁矿等）、氧化铁质岩（主要矿物为赤铁矿、褐铁矿等）和硅酸铁质岩（主要矿物为鲕绿泥石等）。铁含量达工业品位，且具一定储量规模，则构成铁矿床。中国铁质岩矿床形成于各个地质时期，如前寒武纪的鞍山式铁矿，古生代的宁乡式铁矿、山西式铁矿，中生代的淮南式铁矿等。 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条