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As China’s installed capacity of wind power and photovoltaic systems firmly ranks first globally, the first batch of large-scale commissioned equipment is approaching centralized decommissioning. It is estimated that by 2030, the cumulative decommissioned photovoltaic modules will reach 1.5 million tons, and the decommissioned wind power equipment capacity will reach 2 million tons. Through a systematic analysis of the current status of resource utilization of decommissioned wind and photovoltaic equipment in China, and by integrating international typical experiences such as the EU’s WEEE Directive system, the technology innovation-driven model in the United States, and Japan’s forward-looking legislative practices, this paper, in view of the problems existing in China’s standardization development, industrial chain coordination, and regulatory systems, proposes to adhere to the principles of systematicness, coordination, adaptability, and operability, and constructs a four-tier standard framework comprising basic general standards, specialized technical standards, management specifications, and testing certification standards. Moreover, specific policy recommendations are presented from four aspects: standard development, policy coordination, regulatory mechanisms, and international cooperation.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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