<track id="fnn7z"><span id="fnn7z"><listing id="fnn7z"></listing></span></track>
    <address id="fnn7z"><progress id="fnn7z"><nobr id="fnn7z"></nobr></progress></address>

      
      <track id="fnn7z"></track>
      <th id="fnn7z"></th>
        <thead id="fnn7z"><progress id="fnn7z"><nobr id="fnn7z"></nobr></progress></thead>

        <track id="fnn7z"><big id="fnn7z"></big></track>

        <thead id="fnn7z"><progress id="fnn7z"><nobr id="fnn7z"></nobr></progress></thead>
        <address id="fnn7z"><progress id="fnn7z"></progress></address>
          <th id="fnn7z"><form id="fnn7z"><listing id="fnn7z"></listing></form></th>

            <th id="fnn7z"></th>
            <th id="fnn7z"><progress id="fnn7z"></progress></th>

            <th id="fnn7z"></th>

            ???????

            ???????

            ??? > ??????? > ????? >

            ????????????????

            ?????????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??
                ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

            ?????

              ???????????
            ??Copyright © 2013 ?????з????е?? All Rights Reserved.?????????????????к???·??????????????
            ?????????86-0371-64588838
            中文字幕精品一区二区三区在线