external microphone ne demek?

Atom sayısı 10, atom ağırlığı 20,2, yoğunluğu 0,7 olan, sıvı durumuna getirilmiş havadan elde edilerek ışık araçlarında kullanılan, havada pek az olarak bulunan, asal gazlar sınıfından bir element (simgesi Ne).
Lambası
Neon lambası
Sembolü Ne, mol kütlesi 20,179g , e.n. -249
Neon.
Colorless odorless gaseous element that give a red glow in a vacuum tube; one of the six inert gasses; occurs in the air in small amounts.
Glass vacuum tube filled with neon gas and phosphors formed into signs, letters or shapes.
External microphone.
Type of discharge lighting generated by a high voltage across two electrodes at opposite ends of a long, thin glass tube filled with neon gas Different colors are obtained by mixing other gases, or by using florescent coatings.
NEON is a National Science Foundation grant-making initiative to explore the biology of the planet with state-of-the-art research tools and infrastructure A NEON observatory might combine a grouping of elements - e g a museum, university, LTER site, working field station, etc - that are integrated for purpose of a research project The intention is to establish about 10 NEON facilities 1st NEON Workshop Report 2nd NEON Workshop Report 3rd NEON Workshop Report.