Starting from discriminating concepts, the difference between water quality criteria and standards are distinguished, and their relationship in total amount control of water pollutants is analyzed.
辨析了水环境质量基准与标准的概念差异,指出了它们对水污染物总量控制的作用。
According to the guidelines, numerical water quality criteria were derived on the basis of screening and analysis of toxicity test data of individual animal and plant species.
介绍了以保护自然生态系统中水生生物为主要目标的美国水质基准技术指南。
When water quality and target are certain, the value may become a basis for criteria of system suporiority.
在水质及目标确定条件下,该值也许可成为判断系统优劣的依据。
When water quality and target are certain, the value may become a basis for criteria of system suporiority.
在水质及目标确定条件下,该值也许可成为判断系统优劣的依据。
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