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Music Tubex is made to help million of music lovers can reach millions of high quality video via youtube. - Music is arranged in a reasonable. The x-ray tube consists of a negatively charged cathode aligned with a positively charged anode placed within a glass vacuum tube. Mobile electrons are. Jämför priser på QED Reference X-Tube XT Högtalarkabel. Hitta bästa pris och läs omdömen - vi hjälper dig hitta rätt.

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Meinel received his medical degree from Ludwig-Maximilians-University in Munich and trained in Radiology at the same institution. Historically, X-rays were discovered radiating from experimental discharge tubes called Crookes tubes invented by British physicist William Crookes and others. Vaporized tungsten condenses on the inside of the envelope over the "window" and thus acts as an additional filter and decreases the tubes ability to radiate heat. Mitt bibliotek Hjälp Avancerad boksökning. The rhenium makes the tungsten more ductile and resistant to wear from the impact of the electron beams. The anode is usually made out of tungsten or molybdenum. Solid-anode microfocus X-ray tubes are in principle very similar to the Coolidge tube, but with the important distinction that care has been taken to be able to focus the electron beam into a very small spot on the anode.

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