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采样依据HJ/T 55（无组织排放监测技术导则），样品采集使用1L氟聚合物薄膜气袋样，按相关技术规范采集42个样品。检测方法依据HJ 604（或相应FID气相色谱法），样品前处理与仪器分析按标准操作规程进行。数据清洗剔除异常值与缺失值，数据结构化后包含采样时间、监测点位、气象参数（温度、气压、风速风向）、非甲烷总烃浓度（以甲烷计，mg/m³）、检出限等字段。数据质量控制采用平行样测定、空白样校准等
贵州省数据知识产权登记平台2026-05-15 更新40
Dataset Files
Set of 17 excel files of the extracted and harmonised data from CETESB registries. Every excel file correspond to a yearly publication of the CETESB Registry for the period 2004-2020.
Figshare2024-02-22 更新20
Data for: Delimitation of nutrient threatened areas - a comprehensive method to manage a persistent problem of agriculture
The current database supplements the paper entitled: Delimitation of nutrient threatened areas - a comprehensive method to manage a persistent problem of agriculture. Presented database is an integral
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electricsheepafrica/africa-tza-climate-trace
--- annotations_creators: - no-annotation language_creators: - found language: - en license: cc-by-4.0 multilinguality: - monolingual size_categories: - 10K<n<100K source_datasets: - original task_cat
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