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磷是使水体富含营养化的重要因素,而含有磷的洗衣粉是水体污染中磷的主要来源之一,含磷洗衣粉对水体水质和水生动、植物究竟有没有危害呢?危害究竟有多大呢?本文设计了一系列实验作了探究。1实验过程1.1实验原理磷会使水生植物过度繁殖,消耗大量养分和溶解氧,导致水质恶化、鱼
Phosphorus is an important factor in eutrophication of water bodies. Phosphorus-containing washing powder is one of the main sources of phosphorus in water pollution. Phosphorus-containing washing powder has no harm to the quality of water and aquatic life and plants. How big is this? This article designed a series of experiments to explore. 1 Experimental Procedures 1.1 Experimental Principles Phosphorus can overproduce aquatic plants, consume large amounts of nutrients and dissolved oxygen, resulting in deterioration of water quality, fish