英语翻译Ekeberg [1] discovered tantalum 200 years ago in theform of oxide.However,the discovery and investigation ofthe properties of potassium heptafluorotantalate (K2TaF7)wastherealbeginningoftantalumchemistryandproductiondevelopment [2].Tantal
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 18:08:26
xWNI^&qI4hG,YM
i=L_^5!
tUWefN$uW{sϭܩS.WNy?8&$T~ !(4/E)tL PNHKO#$l*D%C$1d5 0X!De8'@P"A{c%8C!94 :}uCPq~
g17zx\{}w.wMn$q]:
E 2F~7UM=x>+%E3"?Ŗt&їF#QذB|c':DO˝:MU?
}tu?&SMUC{=u :(8ѡP}"ێOtϧT 6DTӉbܗTAꗱAADJ42%:FHA~q&OTh5߲Gt-m3}hTvsPJ ]z ȮQ
7w]{83A`T:Ft 7n"}"(vPUr&]֧F4(y㼎xtQf0؟); x%֬t:C6j.,h/T,3^jy5'6a&xeF{"% ^_!pҼk