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在化学分析与环境监测的广阔领域里，精准的pH值测量是基础中的基础。多年的实验室工作经验告诉我，一个微小的pH偏差，都可能对实验结果产生重大影响。而氢氧化钙pH溶液标准物质，正是那把确保我们测量准确无误

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中国消费者报报道记者孟刚）作为一种创新销售形式，“盲盒”已拓展至各领域，目前越来越多的酒企也开始加入。《中国消费者报》记者发现，双11期间，在各大电商平台上，白酒盲盒层出不穷，

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