在光催化过程中一个值得注意的因素是贵金属的回收，包括：铂，金，铑，银和钯。
A noteworthy factor in the photocatalysis process is the recovery of precious metals, including: platinum, gold, rhodium, silver and palladium.
回收品种涉及20多种金属，包括：金、银、铂、铑、钯。
Recovers approximately 20 metals including: gold, silver, platinum, rhodium and palladium.
比较了钌、铑和钯镀层的性能，并介绍了钌镀层性能的测试方法。
The deposit's properties of ruthenium, rhodium and palladium were compared. Testing methods for ruthenium deposit's properties were described.
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