中国消费者报北京讯记者孙燕明） 8月25日是第七个全国残疾预防日。为加强残疾预防宣传教育，增强全社会残疾预防意识，提升残疾预防和康复服务水平，中国残疾人联合会、国家卫生健康委等17个部门联合开展第七个

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在化学分析与实验室校准的广阔天地里，硫酸亚铁铵滴定溶液作为一种重要的标准物质，其准确性和稳定性直接关系到实验结果的可靠性。基于多年在化学分析领域的实践经验和深刻理解，我深知硫酸亚铁铵滴定溶液在实验室滴

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中国消费者报报道记者裴莹）双11前夕，北京市第四中级人民法院公布一起电商虚假宣传官司终审判决，“坚果”投影机厂家因虚标参数被判构成欺诈。投影机近年来在社交平台频频被&ldquo

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