Nineteen bottled water products were purchased from stores in Potsdam and Wappingers Falls, New York and analyzed for 71 inorganic elements by inductively coupled plasma - mass spectrometry (ICP-MS). The wide range in elemental concentrations observed suggests considerable variation in source water composition, processing, and treatment. Comparison with samples from a typical small municipal wa...

In order to fully understand what a given boiler needs for treatment, a basic study of its supply water must be done first. Three types of impurities exist in all supplies and can cause a wide range of problems in boilers and kilns. These impurities are suspended solids, dissolved solids, and dissolved gasses. Water picks up the impurities from the ground it contacts and the air through which i...

Predator-prey relationships are integral to ecosystem stability and functioning. These relationships are, however, difficult to maintain in protected areas where large predators are increasingly being reintroduced and confined. Where predators make kills has a profound influence on their role in ecosystems, but the relative importance of environmental variables in determining kill sites, and ho...

Falls in elderly persons create a tremendous individual and social burden. Of the more than 147 million injury-related emergency department visits logged each year, falls account for approximately 24%, representing the leading cause of external injury.1 Children and elderly persons comprise the largest group responsible for this percentage. Compared with children, however, older adults are 10 t...

discussion the oep as a home-based exercise is effective for the reduction of the incidence of falls among senior citizens with a history of falls. the oep can be recommended for elderly homebound people who do not have access to facilities. results the findings of the study showed that oep improved physical performance (berg-balance-score with p > 0.025, and timed-up-go-test with p > 0.017) an...