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Entering an office furniture factory feels like opening a door to the heart of industrial production. Every piece of wood, ...
Iran signed the JCPOA with Britain, China, France, Germany, Russia and the United States in 2015 and agreed to curb its nuclear program in exchange for sanctions relief. Washington, however, withdrew ...
预制菜作为现代食品工业的产物,其争议本质上是关于食品安全、健康、文化习惯和社会发展的复杂议题: 添加剂问题:部分预制菜为延长保质期或提升口感,可能含防腐剂、增味剂等,长期摄入可能引发健康疑虑(如钠含量过高、营养流失)。
汉江上游晚更新世以来气候演变特征:来自朱家村剖面土壤地球化学的证据赵超,1,魏翔,2,*,孙建伟1, 龚文强1, 赵浩1, 李晓明1, 郑俭峰1, 赵立磊11.中国地质调查局西安矿产资源调查中心,陕西 西安 7101002.中国地质调查局发展研究中心,北京 ...