但60和70年代，许多科研实验室早期的硫化镉薄膜技术试验结果都未尽人意。
But cadmium sulphide, an early thin-film technology that was pursued in the 1960s and 1970s in many research laboratories, did not live up to expectations.
金属和其他有机镀层。锌，镉，铝-锌合金和锌-铝合金的铬酸盐转化镀层。试验方法。
Metallic and other inorganic coatings. Chromate conversion coatings on zinc, cadmium, aluminium-zinc alloys and zinc-aluminium alloys. Test methods.
这不但有助于保证和提高产品的可靠性，而且能够大幅度地缩短镉镍电池寿命试验时间。
It is helpful to guarantee and improve the reliability of the battery products and shorten the test life time of nickel-cadmium battery on a large scale.
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