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加快推动废塑料化学循环,有效应对塑料污染
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李景虹
科技导报 | 卷首语 2024,42(16): 1-2
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科技导报 | 卷首语 2024, 42(16): 1-2
加快推动废塑料化学循环,有效应对塑料污染
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李景虹
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Promote the chemical recycling of waste plastics and effectively address plastic pollution
LI Jinghong
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出版时间: 2024-08-28 doi:
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塑料因质量轻、制造成本低、可塑性强被广泛应用于国民经济各个领域。据统计,2015—2023年,塑料产量从3.2亿t增长到4.3亿t,预计到2050年产量将增加2倍,届时全球每年人均塑料消费量将达84.37 kg。2022年,中国废塑料产量超过6000万t,其中仅1800万t实现了材料化回收利用,材料化回收利用率约为30%。大量塑料购物袋、快递袋、外卖餐盒、地膜、农药瓶、肥料袋、各种商品塑料包装等低值塑料垃圾,混入生活垃圾被焚烧或填埋,造成严重资源浪费,成为塑料污染治理的最大难点和痛点。
李景虹. 加快推动废塑料化学循环,有效应对塑料污染. 科技导报, 2024 , 42 (16) : 1 -2 .
LI Jinghong. Promote the chemical recycling of waste plastics and effectively address plastic pollution[J]. Science & Technology Review, 2024 , 42 (16) : 1 -2 .
2024年第42卷第16期
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  • 首发时间:2024-09-05
  • 出版时间:2024-08-28
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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