生物质的开发利用对废弃资源回收、能源结构转换、环境改善和保护等方面具有重大意义。
Development and utilization of biomass has significant importance in recovery of waste resource, transformation of energy construction, environmental improvement and protection, etc.
废弃纺织纤维的再加工以其废物利用、资源回收的合理性受到社会各界的关注。
The reprocessing of waste textile fibers is concerned by the community because of its recycling, resource recovery and rationality.
针对国外废弃电路板的机械回收利用现状，提出了在国内开展废弃电路板资源化、无害化处理研究的一些建议。
In this paper, abroad status of mechanical recycling of PCB and some advices on resource utilization and innocuity treatment of PCB are presented.
机械产品回收再造可以减少废弃物，合理利用资源，减少制造中能源的消耗。
The reclamation of old machine can reduce waste, utilize resources properly, save energy.
赤铁矿尾矿是工业的固体废弃物，赤铁矿尾矿的综合利用不仅能消除尾矿对环境的危害，又能作为资源进行回收利用，具有较好的环境效果和较高的经济利益。
It obtains an good effect on the study of reclaiming iron from iron tailing, raises the using of resource efficiency, earns an importance significance in the economy and society.
赤铁矿尾矿是工业的固体废弃物，赤铁矿尾矿的综合利用不仅能消除尾矿对环境的危害，又能作为资源进行回收利用，具有较好的环境效果和较高的经济利益。
It obtains an good effect on the study of reclaiming iron from iron tailing, raises the using of resource efficiency, earns an importance significance in the economy and society.
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