Soil contamination — Excavation showing soil contamination at a disused gasworks. Soil contamination or soil pollution is caused by the presence of xenobiotic (human made) chemicals or other alteration in the natural soil environment. This type of contamination… … Wikipedia
AFP-675 — (Air Force Program 675) was a Space Shuttle experiment package that was carried into orbit on Discovery as part of STS 39.AFP 675 consisted of six experiment packages mounted on a pallet in the Discovery s cargo bay. The total weight of the… … Wikipedia
Environmental chemistry — is the scientific study of the chemical and biochemical phenomena that occur in natural places. It should not be confused with green chemistry, which seeks to reduce potential pollution at its source. It can be defined as the study of the sources … Wikipedia
Water pollution — Raw sewage and industrial waste flows across international borders New River passes from Mexicali to Calexico, California. Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans and groundwater). Water p … Wikipedia
Mycoplasma — Not to be confused with Mycobacteria. Mycoplasma Scientific classification Kingdom: Bacteria Phylum: Tenericutes or Firmicutes Class … Wikipedia
Rhizofiltration — is a form of bioremediation that involves filtering water through a mass of roots to remove toxic substances or excess nutrients.OverviewRhizofiltration is a type of phytoremediation, which refers to the approach of using hydroponically… … Wikipedia
Cirsium arvense — Cursed Thistle redirects here. For the medicinal plant, see Cnicus. Cirsium arvense Scientific classification Kingdom … Wikipedia
Safe Drinking Water Act — Full title An Act to amend the Public Health Service Act to assure that the public is provided with safe drinking water, and for other purposes Colloquial name(s) SDWA Enacted by the 93rd United States Congress … Wikipedia
Microplasma — A microwave microplasma jet Microplasmas are plasmas of small dimensions, ranging from tens to thousands of micrometers. They can be generated at a variety of temperatures and pressures, existing as either thermal or non thermal plasmas. Non… … Wikipedia
dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or … Universalium
Health and Disease — ▪ 2009 Introduction Food and Drug Safety. In 2008 the contamination of infant formula and related dairy products with melamine in China led to widespread health problems in children, including urinary problems and possible renal tube… … Universalium
