采用化学沉淀法延长化学镀镍液寿命是切实可行的。
The chemical precipitation method is feasible for extending the life of electroless nickel plating solution.
化学镀镍液的中琥珀酸、酒石酸用溶剂萃取法去除。
Using solvent to extract succinic acid in and tartaric acid in chemical nikel plating liquid.
采用合适的电解镍液或化学镀镍液的配方来制取低应力镍层；
Suitable com- pound Ni electroplating or electroless Ni plating solution were chosen to make low stress Ni layer.
通过数学分析的方法建立起化学镀镍液的A - C数学模型。
Through mathematical analysis, this paper set up an A-C mathematical model for measuring Ni2 + concentration in electroless nickel plating solution.
随着施镀的进行，化学镀镍液中的硫酸钠和亚磷酸钠的积累越来越多，从而影响镀液的使用寿命。
Sodium sulfate and sodium phosphite are tending to be accumulated gradually in the solution during electroless nickel plating, which affect the life of the plating solution.
本文主要探讨了化学镀镍液中影响次磷酸钠浓度测定准确度的因素，并相应地提出了行之有效的解决方法。
This papers not only explores which factors make the consistency determination of the NaH_2PO_2 non-accurate in the chemical nickle-plated aqua , but also advance some feasible resolutions.
铝是一种难镀的金属，没有适合铝材直接化学镀镍的镀液。
Aluminium is the hard plating metal, there is no plating liquid to aluminium material direct chemical ni - p.
研究结果表明，化学镀液的循环利用和催化剂的回收套用的方法非常有效，降低了化学镀镍成本，减少了环境污染。
Above results indicated that the methods of recycle of chemical plating bath and recovery of catalyst were effective and would greatly save cost and reduce environmental pollution.
不同树种的抽提物含量对木材化学镀镍的影响较大，针叶材主要是树脂的含量，阔叶材主要是单宁的含量，这些抽提物容易造成镀液的分解。
The extractive content from different tree species has great effect on electroless plating. The resin of Softwood and the tannic of hardwood cause plating liquid easily decompose.
讨论了镀液中各组分含量、温度及搅拌速度对化学镀镍的影响。
The influences of each component content in plating bath, temperature and stirring speed on electroless nickel plating were discussed.
向镀液中加入氟化物，采用硫酸镍代替碳酸镍作为镍源，开发出一种镁合金化学镀镍新工艺。
A new technology of electroless nickel plating for magnesium alloys was developed by addition of fluoride in bath and using nickel sulfate as nickel resource.
本文对45钢彩色化学镀镍磷的镀液成分、工艺参数、着色方法进行了比较深入的研究。
Ingredients of the bath processing parameter and coloration method are studied deeply with respect to colored electroless Nickle plating on 45steel.
介绍了化学镀镍的特点以及镀液主要成分对镀层性能的影响。
The characteristics of electroless nickel plating were introduced, as well as the influences of main bath components on properties of nickel deposits.
介绍了国内外化学镀镍老化液再生技术研究现状。
Regeneration techniques of electroless nickel plating baths were reviewed.
在化学镀镍-磷合金液中加入硫酸铜制得镍-铜-磷三元合金。
Electroless nickel copper phosphorus ternary alloy deposits were prepared by addition of cupric sulfate in electroless nickel phosphorus alloy plating bath.
通过对比实验发现，这些样品的失效不是由于镀液的渗透引起的，而是与化学镀镍过程中的化学反应有关。
Comparison experiment results show that the failure is not caused by the permeation of plating solution but by the reaction happened in the electroless nickel plating.
研究了一种镜面光亮化学镀镍新工艺，优选了镀液配方及工艺条件。
A novel process for mirror bright electroless nickel plating is studied and the bath formulations and operating conditions are optimized.
研究了镁合金硫酸镍化学镀镍工艺，得到了最佳的酸洗、活化及镀镍液配方。
Electroless nickel plating on magnesium alloys in nickel sulfate bath is studied, obtaining optimal formulations for the pickling, activating and nickel plating processes.
造成稳定性较差，一般镀液仅能使用4 ~5个周期，化学镀液的稳定性是制约化学镀镍的一个重要因素。
Caused by poor stability, the general solution can only use 4 to 5 cycles, the stability of the chemical bath of electroless nickel plating restricting an important factor.
化学镀液中的镍离子在催化中心的作用下，被还原成金属镍原子而沉积下来。
Nickel coating is deposited through REDOX reaction in the presence of catalytic centers.
化学镀液中的镍离子在催化中心的作用下，被还原成金属镍原子而沉积下来。
Nickel coating is deposited through REDOX reaction in the presence of catalytic centers.
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