نتایج جستجو برای: waterwork
تعداد نتایج: 8 فیلتر نتایج به سال:
BACKGROUND A decreased risk for cardiovascular disease has been related to the hardness of drinking water, particularly high levels of magnesium. However, the evidence is still uncertain, especially in relation to individual intake from water. METHODS We used data from the Stockholm Heart Epidemiology Program, a population-based case-control study conducted during 1992-1994, to study the asso...
چکیده ندارد.
OBJECTIVE To assess the effect of exposure to chlorination byproducts during pregnancy on foetal growth and duration of pregnancy. METHODS A population based study was conducted of 137,145 Norwegian children born alive in 1993--5. Information was obtained from the Norwegian medical birth registry, waterwork registry, and social science data service. The outcomes of interest were birth weight,...
Breakpoint chlorination (BC) and disinfection with chlorine-based disinfectant are widely used procedures in drinking water production. Both involve dosing chlorine into the raw water, where it can react organic compounds, forming by-products (DBPs) of health concern. However, technological parameters (e.g., contact time, dosage, bromide to residual free ratio) two different, which lead differe...
چکیده ندارد.
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