Methods Through the overall investigation on the stored tunnel water situation of some coast defense ministry and some engineering ministry,to report the changed water quality of the present stored tunnel water during the long-term storage and the disinfecting effect of this disinfectant with the help of the water quality test report before and after using the controlling-released disinfectant.
Counter-measures put forward to solve rural drinking water security include formulating planning according to local context, strengthening preliminary demonstration, extending water user participation and undertaking water quality test and supervision.
19.64% water plants were built before 1996. 80.35% water plants were built after 1996. 98.20% water plants had not detection condition of water quality.
Nine water samples (including water head water and tap water) were taken according to the type of reservoir and the age of the building in DL district,Harbin. Comparing with national standard GB5085 and GB4985,the tap water was determined and the quality of tap water was evaluated.
An examination of water quality at the sampling stations during the study period indicated that both the organic and inorganic nutrients were high during the pre-monsoon period.
An examination of water quality in fish ponds during the study period indicated that both the organic nutrients were high during the pre-wet monsoon period.
Results used for the prototype implementation subsystem of the chemical water analysis control are based on the investigations of the Water Examination Department of the Public Health Institute of the Split-Dalmatian County (Croatia).
Results used for the prototype implementation subsystem of the chemical water analysis control are based on the investigations of Water Examination Department of the Public Health Institute of the Split-Dalmatian County (Croatia).
The prototype database consists of data obtained by investigations which have been conducted by the water Examination Department of the Public Health Institute of the Split Dalmatian county (Croatia) University of Split Medical School.
The prototype database consists of data obtained by investigations which have been conducted by the Water Examination Department of the Public Health Institute, Split-Dalmatian County (Croatia) and the University of Split Medical School.
Generally, for water examination purposes enterococci can be regarded as indicators of fecal pollution.
例句来源
This paper presents technological experiments on the waterprodessing equipment 2UF-50 for medical and pharmaceutical purposes including the technological process and technical characteristics of the equipment and the quality of purified water.