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Updated: Jan 17, 2026

Understanding Dissolved Organic Matter Biogeochemistry Through In Situ Nutrient Manipulations in Stream Ecosystems
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对来源的新见解:在复杂的平原河流网络中识别河流溶解有机物,使用光学指数与灰色影响分析和贝叶斯模型

Dongping Liu1, Feng Yang2, Feng Qian3

  • 1College of Water Sciences, Beijing Normal University, Beijing, 100875, China; State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China.

Analytica chimica acta
|September 22, 2025
PubMed
概括

国内污水是江山平原河流中溶解有机物 (DOM) 的主要来源,对水生环境做出了重大贡献. 光学索引提供了一种可靠的方法来识别复杂河流系统中的DOM源.

关键词:
在EEM中,你会看到EEM.最终成员混合分析分析.流域 DOM 是一个流域 DOM.灰色影响力分析谱系指数 谱系指数 谱系指数紫外线视频谱学 UVV光谱学

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Gravimetry: Inorganic And Organic Precipitating Agents00:49

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In gravimetry, the precipitant is chosen carefully to obtain a pure solid that can be easily filtered. Common inorganic precipitants can be used to determine several cations and anions. In some cases, the formation of the same precipitate can be used to determine the cation and the anion. For example, the reaction of barium and chromate ions to give barium chromate is used to determine both barium and chromate. However, precipitates such as hydroxides, oxalates, and metal ammonium phosphates...
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