نتایج جستجو برای: chemistry swimming pools criteria
تعداد نتایج: 396773 فیلتر نتایج به سال:
in order to determine the hygiene indices of bathing water, and it's water quality, a survey and laboratory analysis was recently undertaken on 34 outdoor public swimming pools out of a total 126 in tehran metropolitan area according to simple random sampling without replacement. this survey revealed remarkable evidence of waver bacterial contamination at heavy bather load time. examined water ...
background: many studies have been showed that certain illnesses including fungi and bacterial infections can be transmitted to human by contaminated swimming pools water. the main objective of the present study was to detect microbial (bacterial and fungi) and chemical (ph and chlorine levels) pollutions of the all swimming pools water in hamadan city, iran . methods: this study was a cross-se...
background: infections are readily transmitted as a result of bacterial contamination of swimming pools. therefore, hygiene and preventing the contamination of swimming pools is of particular importance. the objective of this study was to determine the amount of bacterial contamination in indoor pools of yazd in 2013. methods: in this descriptive and analytical study, all indoor swimming pools ...
studies relating form and functions of cities indicate sprawl as an intriguing research issue, especially for certain typologies of cities. although with inherent differences on a local scale, mediterranean cities offer a kaleidoscopic overview of sprawl morphologies that require dedicated monitoring tools. the present study provides an original assessment of recent urbanization processes in th...
this study aimed at application of optimization standards of water consumption in swimming pools of urmia. for this purpose, all 13 swimming pools of urmia were studied as the statistical sample of the study. the data were collected through a questionnaire and a checklist obtained based on the standards of standard institution and industrial studies (1388) and the office of national legislation...
An interest in the field of algicides for swimming pools has led to a survey of the problems involved in this field. A study of the bactericidal and algicidal properties of some of the chemicals used has been reported (Fitzgerald, 1959) in which it was pointed out that some of the products available show remarkable properties in laboratory tests. The present studies demonstrate how the activity...
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