为了解决这一问题，发布这一报告的联合国环境规划署建议：采取新的回收技术和政策，将垃圾转化为生产原料。
To combat the problem, the United Nations Environment Programme, which issued the report, recommends new recycling technology and policies to turn trash into raw materials for manufacturing.
采用磁选分离法+稀酸浸泡法联合处理后，使该地石英砂的化学成分达到了优质的生产平板玻璃用硅质原料的国家标准。
The chemical contents in the sand quartz has reached national standards of silicon raw material for plate glass production after combined treating by magnetic separation plus diluted acid dipping.
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