WebOct 9, 2024 · 铬的发音是GE!. 不是LUO!. 你只能说,普通话里,“铬”字的读音是 gè ,而不能说“不是luò”,“铬”字确实有luò音,普通话不用而已。. 《现代汉语词典》里,“铬”字只 … WebThis animated phonics song helps children learn the sound of the beginning blend CR in English. A blend is a combination of letters where each letter makes i...
血清肌酐_百度百科
Web氯丁橡膠(CR, Chloroprene rubber)又稱氯丁二烯橡膠,新平橡膠,是氯丁二烯(即2-氯-1,3-丁二烯)為主要原料進行α-聚合生成的彈性體。. 它由杜邦公司(DuPont)的華萊士·卡羅瑟斯(Wallace Hume Carothers)於1930年4月17日首先製得,杜邦於1931年11月公開宣布已經發明氯丁橡膠,並於1937年正式推向市場,使 ... WebLooking for online definition of CR or what CR stands for? CR is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms CR - What does CR stand for? omnicyber security
Chromium Uses, Properties, & Facts Britannica
WebMar 17, 2010 · 铬元素(Cr)科学上读ge(四声),但是科研或在工程上一般多做luo(四声)。 因为科研或工程中会遇到同时出现Cr元素和镉Cd元素(ge 二声)。为了避免发音不清或混淆 … Webchromium (Cr), chemical element of Group 6 (VIb) of the periodic table, a hard steel-gray metal that takes a high polish and is used in alloys to increase strength and corrosion resistance. Chromium was discovered (1797) by the French chemist Nicolas-Louis Vauquelin and isolated as the metal a year later; it was named for its multicoloured … WebCr 铬 Chromium - 元素周期表. 铬 (Cr) 铬,元素符号Cr,银白色金属,在元素周期表中属 ⅥB族, 铬矿原子序数24,原子量51.996,体心立方晶体,常见化合价为+3、+6和+2 … omnic wirkstoff