The paper researched on characters of NOM (nature organic matter) based on the fractionation of NOM, and studied the control of DBPs (disinfection by-products) by chloramine compared with chlorine.
在对天然有机物分类的基础上进行了水体中有机物的特性研究，并采用氯胺对不同特性有机物的氯化消毒副产物进行了控制研究。
In nature, a bubble's lifetime depends on the level of dissolved organic matter and nanoparticles, without which small bubbles rapidly shrink and disappear.
在自然界中，一个气泡的寿命依赖于其所含可溶性有机质和纳米粒子的量，没有这些物质，气泡将迅速地缩减并消失。
Characteristic: Organic matter with nature beautification and excellent reduction of moisture evaporation, also help enhance land ventilation and restrain dust rising.
特性：自然美观的有机物，减少水分蒸发，增加土壤透气性，抑制扬尘。
Characteristic: Organic matter with nature beautification and excellent reduction of moisture evaporation, also help enhance land v...
特性：自然美观的有机物，减少水分蒸发，增加土壤透气性，抑制扬尘。
Characteristic: Organic matter with nature beautification and excellent reduction of moisture evaporation, also help enhance land venti...
特性：自然美观的有机物，减少水分蒸发，增加土壤透气性，抑制扬尘。
Characteristic: Organic matter with nature beautification and excellent reduction of moisture evaporation, also help enhance land venti...
特性：自然美观的有机物，减少水分蒸发，增加土壤透气性，抑制扬尘。
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