Scientists racing to tackle plastic pollution have created a surprising new contender: a biodegradable packaging film made partly from milk protein. Researchers at Flinders University blended calcium caseinate with starch and natural nanoclay to form a thin, durable material designed to mimic everyday plastic. In soil tests, the film fully broke down in about 13 weeks, pointing to a realistic alternative for single-use food packaging.
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前不久，全球顶级域名AI.com以约7000万美元（折合人民币约4.8亿元）的天价易手。这一交易刷新了全球域名成交纪录的同时，背后隐藏的故事更是充满了戏剧性与传奇色彩。。heLLoword翻译官方下载对此有专业解读