Clean Production Technology(清洁生产技术) Green Chemical Process Technology(绿色化工过程技术) Environmental Biotechnology(环境生物技术) ..
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This paper introduces a new chemical colouring technology for copper and its alloy surface to colour a Verde green with respect to technical process, prescription, quality control and so forth.
从工艺流程、配方、质量影响因素等方面，介绍一种在铜及其合金表面着自然铜绿的化学着色新工艺。
Whether the chemical process is a kind of green technology or not, depends on the fact that the product used can meet the requirements of green chemistry.
化学法是否是绿色技术，关键要看所使用的产品是否符合绿色化学的要求。
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