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镀银层变色问题,是目前生产上特别是电器、无线电行业中普遍存在的技术关键。对于防止镀银层变色的研究,引起了国内外有关方面的广泛兴趣。但是这个问题是一直没有得到彻底的解决。近几年来,国内对这个问题也进行了许多有价值的试验研究工作。这里发表的三篇文章,从不同的角度对某些防银变色方法进行了系统的比较试验和研究,也都取得了一定的效果。可是,其中某些方法在不同单位的试验结果,很不一致,甚至互相矛盾。这就值得进一步探讨。本期特一并刊载,借以引起广泛的重视,并开展讨论。希望从事这方面工作的同志,把你们的研究成果和生产实际经验以及对解决这个问题的途径的看法写给我们,继续发表,以达到互相交流、互相学习、共同提高、促进防银变色问题得到更好的解决的目的。
Silver-plated layer discoloration problem, is currently the production of electrical, especially the radio industry, the prevailing technology in the key. For the prevention of discoloration of silver-plated research has aroused widespread interest at home and abroad. However, this problem has not been completely solved. In recent years, many valuable experimental studies have been carried out on this issue domestically. The three articles published here have systematically compared and tested some anti-silver discoloration methods from different perspectives and also achieved some results. However, the test results of some of the methods in different units are very inconsistent or even contradictory to each other. This deserves further discussion. This issue is also published together, in order to draw widespread attention and to discuss. Let us hope that those comrades working in this field will give us your opinions on the research results, actual production experiences, and ways to solve this problem so that we can continue to publish them so as to achieve mutual exchange, mutual learning, common promotion and promotion of anti-silver discoloration. A better solution to the problem.