The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Considering the fuzzy feature in assessment, The set pair analysis has been developed by the concepts of the main same, supper same, assimilation degree and the new grades law. The multi-factors degree set pair analysis fuzzy evaluation model has been established and been applied to evaluate the water quality of lake in West Lake and Qinghai Lake. The results show that new evaluation method is feasible...
In order to implement the sustainable development in accepting water region, the transfer water scale was discussed in water quantity and water quality by analyzing the eco-environment water security of accepting water region and the transfer water scale model of eco-environment water security was developed on the dualistic water cycle, which is relation with the water resources utilization coefficient,...
In order to make the traditional dilution ratio more scientifically and reasonably, the ratio of the admitting water contamination concentration to the concentration guide of III level water (RACG), the ratio of the sewage discharge contamination concentration to the concentration guide of III level water (RSDG) , and the harm coefficient are introduced to improve the traditional dilution ratio. Then,...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.