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SPF Transcom 01
SPF may refer to: Science and technology * Sun protection factor, of sunscreen * Specific-pathogen-free, laboratory animals known to be without pathogens * Superplastic forming, of sheet metal * Space Power Facility, a NASA test facility * S-phase-promoting factor, in biology * Formal spectrum of a ring, a construction in algebraic geometry * Spray polyurethane foam, a building insulation material * Spruce-pine-fir, mixed softwood timber Computing * Sender Policy Framework, for email authentication * Shortest Path First, or Dijkstra's algorithm * IBM Structured Programming Facility, later ISPF Organizations * , the oldest poetry society in France * , the Argentine Federal Penitentiary Service * (Conspiracy of Fire Nuclei), Greek terrorist organization Police * Scottish Police Federation * Singapore Police Force * Somali Police Force * Special Police Force, a unit within a police force Economics * Survey of Professional Forecasters, US macroeconomic forecasts survey * E ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sun Protection Factor
Sunscreen, also known as sunblock or sun cream, is a photoprotective topical product for the skin that mainly absorbs, or to a much lesser extent reflects, some of the sun's ultraviolet (UV) radiation and thus helps protect against sunburn and most importantly prevent skin cancer. Sunscreens come as lotions, sprays, gels, foams (such as an expanded foam lotion or whipped lotion), sticks, powders and other topical products. Sunscreens are common supplements to clothing, particularly sunglasses, sunhats and special sun protective clothing, and other forms of photoprotection (such as umbrellas). The first sunscreen in the world was invented in Australia, by chemist H.A. Milton Blake, in 1932 formulating with the UV filter 'salol' (phenyl salicylate) at a concentration of 10%. Its protection was verified by the University of Adelaide and it was also produced commercially by Blake's company, Hamilton Laboratories. Despite sunscreen being relatively new, sun protection practices hav ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
