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山西省近日下发《关于明确山西省景区玻璃栈道和游乐场所设施安全监管职责的通知》，明确全省景区玻璃栈道等高风险旅游项目和游乐场所设施安全监管职责，以加强山西旅游景区玻璃栈道、玻璃吊桥、玻璃滑道、玻璃观景平

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在化学分析与检测领域，标准物质的准确性和一致性是确保实验结果可靠性的基石。特别是在处理如二硫化碳中乙苯溶液这类复杂体系时，标准物质的选择、制备以及分析过程中的每一个细节都至关重要。一、标准物质的选择与