منابع مشابه
Bottled & Sold: The Story Behind Our Obsession with Bottled Water
In Bottled & Sold, Peter Gleick offers a broad indictment of the bottled water industry, which Gleick asserts has successfully pulled the wool over the eyes of a generation of Americans who would be better off drinking from the tap. Criticism of bottled water is not new; for more than a decade, environmental organizations and others have observed that the water in the bottle is often of no bett...
متن کاملIs bottled water better?
Sir-In a French case-control study of breast cancer (Le et al., 1984), we interviewed as controls (nonmalignant disease or no disease) 403 women aged 25 to 45 years in eight French hospitals and clinics during the period 1981-1984. All these women already had an experience of sexual intercourse. The year of birth was strongly associated with the main characteristics of oral contraceptive (OC) u...
متن کاملBottled water and bacteria.
Buyers of bottled water, mistakenly believing it “greener” and safer than the tap variety, have had a terrible shock recently. Suddenly, the packaging and long-distance transportation of mineral water in plastic or glass has been recognised as environmentally barmy. Journalists reporting the volte-face have also been pointing out that the product is nothing like as pristine as its purveyors cla...
متن کاملLightning Discharge and Fundamentals of Lightning Protection
A review of lightning protection concepts introduced by Benjamin Franklin (18th century) and James Clerk Maxwell (19th century) is given. Modern approaches to lightning protection of various structures and systems are discussed. In particular, the widely used electrogeometrical model (one version of which is the Rolling Sphere Method) and the topological shielding are presented. Bonding require...
متن کاملLightning Protection
Lightning causes deaths, injuries, damages, and significant costs and losses around the world. The global lightning flash rate is in the range of 40 to 100 lightning flashes per second, of which about 30 % are cloud-to-ground flashes. The development of theoretical and experimental researches is crucial for a better understanding of the physical phenomenon and for the characterization of lightn...
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ژورنال
عنوان ژورنال: BMJ
سال: 2005
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.331.7520.824