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科普中国 on MSN
2 天
世界上最大珊瑚有多大?大过蓝鲸,活了300年
新发现!世界上最大的珊瑚 在太平洋西南部的所罗门群岛(Solomon Islands)附近,研究人员注意到了一个疑似沉船的庞然大物。当他们潜入水下时,才惊喜地发现,这竟然是一片巨大的珊瑚群! 即使从高空看,这片珊瑚依然清晰可见 经过测量 ...
Ticinonline
3 天
Quelli che stanno dicendo addio al fluoro nell'acqua (e perché)
Secondo la Fluoride Action Network, un'organizzazione nazionale che si oppone al fluoro, nelle ultime settimane circa 20 ...
16 天
pvdf材料是什么材质-知识科普
PVDF,全称为聚偏氟乙烯(Polyvinylidene Fluoride),是一种高性能的氟聚合物。它以其卓越的耐化学性、高温稳定性和机械强度而在众多行业中备受青睐。PVDF材料以其独特的性质和多样的应用而备受研究者和工程师的关注。
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