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      ?????????2015-09-28 08:26 ?????????

      ?????? ??λ??????????????????? B?壬??????Cr????????? 24????????????51.996?????????????塣??????????+2??+3??+4.......

          ??λ??????????????????? B?壬??????Cr????????? 24????????????51.996?????????????塣??????????+2??+3??+4??+5??+6?????????????????????????????????????????ξ????????????????????????????????н???????????????????????7.1??cm3?????1860??棬?е?2680?棬???????46l  J/( kg??  K) (0 - iOOCc)??????209 kJ/mor?????????????????342.1 kJ/mol???????91.3 W/(m??K)????????(20??)13.2 PQ‘cm??
          ???????????????????????????????????????????????????????????????????????й??????????????????????????????Cr2 03?????18% - 62%????????????????????????С??????壬?????????????????????壬???????????????????????????5.5 -7.5?????4.0-4.8 g/cm???????????????????????????????Fe0.Cr203????Cr20 368%??Fe032%???й?????????????? Cr203??????30%?????
          ???????и???t?????????????????棬???t????????t???????????????4?????????t??????(Mg??Fe) CrZ04??Cr??03????50% - 60%??????????(Mg??Fe)( Cr??Al)?? 04??Cr2 03????32%-50%?????????(Mg??Fe)(Cr??A1)04??Cr203???? 32%-38%??????????????????????>5.5?????4.448 -4.19 g/cm3??????????????????н?????????5.5?????4.73 g/cm3?????????????????????????????????????????5.5??7.5?????4.0 -5.1  g/cm3??
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