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木材与木制品生物碳含量计算方法 Calculation method of biogenic carbon content in wood and wood-based products ICS 79.010 CCS B 68 中华人民共和国国家标准 GB/T 44290—2024 2024-09-2 9发布 2025-04-0 1实施 国家市场监督管理总局 国家标准化管理委员会 发 布 目 次 前言 ····································································································· Ⅲ 1 范围 ·································································································· 1 2 规范性引用文件 ······················································································ 1 3 术语和定义 ··························································································· 1 4 含碳率的确定 ························································································· 2 4.1 木材的含碳率 ···················································································· 2 4.2 木制品的含碳率 ················································································· 2 5 木材和木制品绝干质量的确定 ······································································· 2 5.1 含水率的测定 ···················································································· 2 5.2 质量的测定 ······················································································ 2 5.3 木材和木制品绝干质量的确定 ··································································· 2 6 生物碳含量及其转换为生物二氧化碳量的计算 ······················································ 3 6.1 生物碳含量计算 ················································································· 3 6.2 生物二氧化碳量计算 ············································································· 3 7 报告 ·································································································· 3 附录A (资料性) 计算示例 ··········································································· 4 参考文献 ·································································································· 5 GB/T 44290—2024 Ⅰ
GB-T 44290-2024 木材与木制品生物碳含量计算方法
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