Originally Edison used platinumalloys for the filament, in the belief that carbon was impracticable.
爱迪生不相信碳可作灯丝用,所以一开始就用铂合金作灯丝。
2
The disclosure further relates to a method of preparing the platinumalloys and their use in the production of ornamental articles.
该公开还涉及制备这些铂合金的方法以及它们在制 造装饰制品中的用途。
3
A series of cobalt platinum tungsten alloys were deposited with sodium tungstate and cobaltous sulfate as the main salts and citrate as the complex agent.