Web高铁酸盐的高铁酸根是无机 阴离子,化学式[FeO₄]²⁻。 它对光敏感,其化合物和溶液呈淡紫色,为已知对水稳定的極强氧化剂。 尽管归为弱碱,高铁酸盐浓溶液仍有腐蚀性,且会烧伤皮肤,只能在強鹼环境稳定存在。 WebDefinition of br abbreviation in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
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WebDefinitions of BR. 1920 - A practical medical dictionary. a Marxist -Leninist terrorist organizaiton that arose out of a student protest movement in the late 1960s; wants to separate Italy from NATO and advocates violence in the service of class warfare and revolution; mostly inactive since 1989. Webabbreviation for 1. brother 2. (Commerce) Also: B/R bills receivable the internet domain name for (Automotive Engineering) Brazil Br abbreviation for (Roman Catholic Church) (in a religious order) Brother the chemical symbol for (Chemistry) bromine BR abbreviation for 1. (Railways) (formerly)British Rail 2. Brazil (international car registration) climate tech bubble
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WebDictionary.com is the world's leading online source for definitions, word origins, and a whole lot more. From Word of the Day to the stories behind today's slang, Dictionary.com … WebBR: Blade Runner (movie) BR: Basic Research: BR: British Railways (company) BR: Business Registration: BR: Baton Rouge: BR: Banana Republic (clothing store) BR: Baltimore Ravens (professional football team; Maryland) BR: Bromley (postcode, United Kingdom) BR: Best Regards: BR: Bayerischer Rundfunk (Southern German Radio … WebMerriam-Webster's Collegiate® Dictionary with Audio API Product Description. The Eleventh Edition of America's best-selling dictionary features more than 225,000 clear and precise definitions and newly added words and meanings. More than 100,000 audio pronunciations and 42,000 usage examples. boat waxing prices