boric acid – also called orthoboric acid. chemistry, pharmacology. a white, crystalline acid, h 3 bo 3 , occurring in nature or prepared from borax: used chiefly in the manufacture of ceramics, cements, glass, and enamels, for fireproofing, and in medicine in aqueous solution as a mild antiseptic
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bo’r kislotasi – shuningdek, ortoborik kislota ham deyiladi. kimyo, farmakologiya. asosan, keramika, tsement, shisha va emal ishlab chiqarishda, yong'inga yaltiratishda va tibbiyotda engil antiseptik sifatida suvli eritmada ishlatiladigan oq, kristall asidi, h3 bo3.
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boron – a nonmetallic element occurring naturally only in combination, as in borax or boric acid, and obtained in either an amorphous or a crystalline form when reduced from its compounds. symbol: b; atomic weight: 10.811; atomic number: 5.
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bo’r – boraks yoki borik kislotasida bo'lgani kabi, tabiiy ravishda faqat kombinatsiyada hosil bo'ladigan va metamorfik yoki kristalli shaklda, uning tarkibidan tushirilganda olinadigan metal bo'lmagan element. belgilar: b; atom og'irligi: 10.811; atom raqami: 5
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boron carbide – a black, crystalline, extremely hard, water-insoluble solid, b 4 c, used chiefly as a moderator in nuclear reactors, as an abrasive, and as a refractory.
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bo’r karbidi – qora, kristalli, juda qattiq, suvda erimaydigan qattiq, b 4 c, yadroviy reaktorlarda moderator sifatida ishlatilgan, abraziv sifatida va refrakter sifatida
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boron hydride – any of the compounds, both neutral and anionic, of boron and hydrogen with formulas ranging fromb2h6 to b20 h16
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bo’r gidridi – b 2 h 6 dan b 20 h 16 gacha bo'lgan formulalar bilan borli va vodorodning neytral va anionik birikmalaridan har qanday kishi
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boron nitride – a white powder, bn, formed by heating boron in nitrogen. in its ordinary form, it has a structure of stacked layers of hexagonal rings, very similar to that of graphite, and is used as a refractory electrical insulator.
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bo’r nitridi – oq chang, azotda isitiladigan boron bilan hosil bo'lgan bn. oddiy shaklda, grafitga juda o'xshash, oltita burchakli uzuklarning qatlamli qatlamlari tuzilishiga ega va isituvchi elektr izolyatori sifatida ishlatiladi.
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bromine – an element that is a dark-reddish, fuming, toxic liquid and a member of the halogen family: obtained from natural brines and ocean water, and used chiefly in the manufacture of gasoline antiknock compounds, pharmaceuticals, and dyes. Symbol: br; atomic weight: 79.909; atomic number: 35; specific gravity: 3.119 at 20°c.
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bromin – qora-qizil, yong'in, toksik suyuqlik va xalogen oilasining a'zosi: tabiiy sho'rvalar va okean suvidan olingan va asosan benzinli antiknok birikmalari, farmatsevtikalar va bo'yoqlar ishlab chiqarishda ishlatiladigan element. Ramz: br; atom og'irligi: 79.909; atom raqami: 35; o'ziga xos tortishish darajasi: 3.119 dan 20 ° c gacha.
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