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【建材网】于门窗玻璃的厚度，你了解多少？什么时候适合增加玻璃厚度？这一次，穗福门窗带你一探究竟。一、玻璃厚度：跟安全有关，跟节能关系不大传热系数K值是衡量玻璃节能性的主要参数之一，它反映了玻璃的温差传

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在农药分析领域，甲醇中多效唑溶液标准物质的使用至关重要。多年的从业经验让我深知，一个准确可靠的分析结果不仅关乎实验的成功与否，更关系到农业生产的安全与效率。随着科技的进步和行业的发展，我们对分析结果的

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本报北京电(驻京记者程福俊)最近一个时期，南非连续发生我国公民遇袭身亡事件，仅9月18日后的5天内就有4人死亡，2人重伤。鉴于以上情况，我国驻南非使馆教育组和教育部昨天特别紧急提醒赴南非留学人员，要重

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