![]() Determination of the ultimate aerobic biodegradability of plastic materials under controlled composting conditions - Method by analysis of evolved carbon dioxide - Part 2: Gravimetric measurement of carbon dioxide evolved in a laboratory-scale test 受控堆肥条件下材料最终需氧生物分解能力的测定 采用测定释放的二氧化碳的方法 第2部分: 用重量分析法测定实验室条件下二氧化碳的释放量 |
![]() Radiation protection instrumentation - Installed dose rate meters,warning assemblies and monitors for X and gamma radiation of energy between 50 keVand 7 MeV 辐射防护仪器 能量在50 keV~7 MeV的X和γ辐射固定式剂量率仪、报警装置和监测仪 |
![]() Rules for classification and labelling of chemicals - Part 25: Specific target organ toxicity - Single exposure 化学品分类和标签规范 第25部分: 特异性靶器官毒性 一次接触 |
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