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任震宇）在前期报道中，《中国消费者报》梳理了30多家企业网站、APP“用户协议”中的“指定管辖”格式条款，发现其都规定了发生消费争议时具有管辖权的法院或仲裁委），且指定的法院仲裁委

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