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B (disambiguation) : ウィキペディア英語版 | B (disambiguation)
B is the second letter of the Latin alphabet. B may also refer to: ==Science and technology==
* B battery, a battery used to provide the plate voltage of a vacuum tube * Haplogroup B (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup * Haplogroup B (Y-DNA), a Y-chromosomal DNA (Y-DNA) haplogroup * B, Blood type * ATC code B ''Blood and blood forming organs'', a section of the Anatomical Therapeutic Chemical Classification System * Boron, a chemical element * B, B+ and B-, expressions of buoyancy in convective available potential energy * Bulb (photography), a shutter-speed setting * B horizon, a layer of soil commonly known as subsoil * Vitamin B
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「B (disambiguation)」の詳細全文を読む
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