{"id":58177,"date":"2016-12-28T06:30:50","date_gmt":"2016-12-27T22:30:50","guid":{"rendered":"\/\/m.iemloyee.com\/?p=58177"},"modified":"2016-12-25T21:41:16","modified_gmt":"2016-12-25T13:41:16","slug":"nature%e5%ad%90%e5%88%8a%ef%bc%9a%e5%90%ab%e6%9c%89%e5%8f%af%e6%8e%a5%e8%bf%91%e7%9a%84%e8%bf%87%e6%b8%a1%e9%87%91%e5%b1%9e%e4%bd%8d%e7%82%b9%e7%9a%84%e5%a4%9a%e5%ad%94%e5%a4%8d%e5%90%88%e6%9d%90","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=58177","title":{"rendered":"Nature\u5b50\u520a\uff1a\u542b\u6709\u53ef\u63a5\u8fd1\u7684\u8fc7\u6e21\u91d1\u5c5e\u4f4d\u70b9\u7684\u591a\u5b54\u590d\u5408\u6750\u6599\u9009\u62e9\u6027\u6355\u83b7\u6c2e\u6c14"},"content":{"rendered":"

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\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n

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\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

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\"\"<\/p>\n

(a)\u4ecb\u5b54Cr(III) \u91d1\u5c5e\u6709\u673a\u6846\u67b6\u6750\u6599MIL-100(Cr)\u7684\u5355\u6676\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n

(b)MIL-100(M)\u548cLiX\u5728283 K\u4e0b\u7684N2<\/sub>\u5438\u9644\u7b49\u6e29\u7ebf\uff0c\u5438\u9644\u4e4b\u524d\u6837\u54c1\u5728523K\u4e0b\u771f\u7a7a (<10-4<\/sup>\u00a0mbar)\u6d3b\u53166h ( MIL-100(Fe)\u5728423 K)\uff1b<\/p>\n

(c)\u5728100K\u4e0bCO\u5438\u9644\u91cf\u5206\u522b\u4e3a0.49\uff0c1.82\uff0c2.56\u548c 3.53 mmol\u00a0g-1<\/sup>\u65f6\u7684\u539f\u4f4d\u7ea2\u5916\u89c2\u8c31\u56fe\uff0c\u6837\u54c1\u9884\u5148\u5728523K\u4e0b\u771f\u7a7a(<10-5<\/sup>mbar)\u6d3b\u53166h\u3002\u4e09\u5904CO\u88ab\u5438\u9644\u5230\u4e0d\u9971\u548cCr(III)\u4f4d\u70b9\u540e\u7684\u7ea2\u5916\u4f38\u7f29\u632f\u52a8\u5cf0\uff1b<\/p>\n

(d)MIL-100(Cr)\u5728283K\u4e0bN2<\/sub>\u548cCH4<\/sub>\u00a0\u7684\u5438\u9644\u7b49\u6e29\u7ebf\u3002b\u548cd\u5438\u9644\u7b49\u6e29\u7ebf\u5747\u7b26\u5408\u53cc\u4f4d\u70b9Langmuir\u2013Freundlich \u578b\u5438\u9644\u3002<\/p>\n

\u56fe2\uff1a\u53ef\u63a5\u8fd1\u4f4d\u70b9Cr(III)\u4e0e\u5ba2\u4f53\u7684\u76f8\u4e92\u4f5c\u7528<\/strong><\/p>\n

\"\"<\/p>\n

(a)\u5728283K\u4e0bMIL-100(Cr)\u5438\u9644CH4<\/sub>\u00a0\uff08\u65b9\u5f62\uff09\u548cN2<\/sub>\uff08\u5706\u5f62\uff09\u7684GCMC-\u6a21\u62df\u5438\u9644\u7113\u53d8\uff08\u586b\u5145\u6a21\u578b\uff09\u548c\u5b9e\u9a8c\u7b49\u6bd4\u5438\u9644\u70ed\uff08\u4e2d\u7a7a\u6a21\u578b\uff09\uff1b<\/p>\n

(b)MIL-100(Cr) \u548c MIL-100(Al) IR\u5728298K\u548c1bar\u4e0b\u5438\u9644N2<\/sub>\u7684\u539f\u4f4d\u7ea2\u5916\u5149\u8c31\u56fe\uff0c\u6837\u54c1\u5728\u5438\u9644\u6c14\u4f53\u524d\u5728523K\u4e0b\u6d3b\u531612h\u3002MIL-100(Al)\u7684\u7ea2\u5916\u56fe\u6ca1\u6709\u5438\u9644N2\u7684\u632f\u52a8\u5cf0\uff0c\u8868\u660e\u6ca1\u6709\u8868\u9762\u4f5c\u7528\uff1b<\/p>\n

(c)MIL-100(Cr)\u4e2d\u7684Cr(III) \u7c07\u5206\u522b\u8d1f\u8f7dN2<\/sub>\u548cCH4<\/sub>\u00a0\u7684\u5206\u5b50\u8f68\u9053\u6a21\u578b\u56fe\u3002<\/p>\n

\u56fe3\uff1a\u4e8c\u5143\u6df7\u5408\u7ec4\u4efd<\/strong>N<\/b><\/strong>2<\/b><\/sub><\/strong>\u00a0\/CH<\/b><\/strong>4<\/b><\/sub><\/strong>\u7684\u5438\u9644\u548c\u5206\u79bb<\/strong><\/p>\n

\"\"<\/p>\n

(a)\u5438\u9644\u6eb6\u6db2\u7406\u8bba\u9884\u6d4b MIL-100(Cr)\u5728N2<\/sub>\/CH4<\/sub>\u00a0\u4f53\u7cfb\u5728\u4e24\u79cd\u6e29\u5ea6\u4e0b (283 K\u548c293 K)\u4e0b\u5bf9N2<\/sub>\/CH4<\/sub>\u00a0(20\/80)\u7684\u9009\u62e9\u6027\uff1b<\/p>\n

(b) MIL-100(Cr)\u5728N2<\/sub>\/CH4<\/sub>\u00a0\u4f53\u7cfb283K\uff0c0.1bar\u4e0bGCMC\u6a21\u62df\u7684\u77ac\u6001\u56fe\uff1b<\/p>\n

(c) MIL-100(Cr)\u5728N2<\/sub>\/CH4<\/sub>\u00a0\u4f53\u7cfb283K\uff0c1bar\u4e0bGCMC\u6a21\u62df\u7684\u77ac\u6001\u56fe\uff1b<\/p>\n

(d) MIL-100(Cr) (0.75 g)\u5728N2<\/sub>\/CH4<\/sub>\u00a0(\u6469\u5c14\u6bd4 20\/80)\u6df7\u5408\u4f53\u7cfb283 K\uff0c1\u4e2a\u5927\u6c14\u538b\u4e0b\uff0c\u6c14\u6d41\u91cf\u4e3a5 cm3<\/sup>min-1<\/sup>\u4e0b\u5b9e\u9a8c\uff08\u586b\u5145\u6a21\u578b\uff09\u548c\u6a21\u62df\uff08\u4e2d\u7a7a\u6a21\u578b\uff09\u7a81\u7834\u66f2\u7ebf\uff0c\u6837\u54c1\u5728\u5438\u9644\u6c14\u4f53\u524d\u5728523K\u4e0b\u6d3b\u531612h\u3002<\/p>\n

\u56fe4\uff1a\u4e8c\u5143\u6df7\u5408\u7ec4\u4efd<\/strong>N<\/b><\/strong>2<\/b><\/sub><\/strong>\/O<\/b><\/strong>2<\/b><\/sub><\/strong>\u7684\u5438\u9644\u548c\u5206\u79bb<\/strong><\/p>\n

\"\"<\/p>\n

(a)MIL-100(Cr)\u548c\u54aa\u5511LiX\u5bf9\u5355\u7ec4\u5206N2<\/sub>\u548cO2<\/sub>\u5438\u9644\u7b49\u6e29\u7ebf \uff08\u9ed1\u8272\u6807\u6ce8\uff09\u53ca\u6eb6\u6db2\u6d53\u5ea6\u7406\u8bba\u9884\u6d4bN2<\/sub>\/O2<\/sub>\uff08\u6469\u5c14\u6bd479\/21\uff09\u5728293 K\u4e0b\u9009\u62e9\u6027\uff08\u7ea2\u7ebf\uff09\u6027\u80fd\u5bf9\u6bd4\u56fe\uff1b<\/p>\n

(b)MIL-100(Cr) (0.41 g)\u5728N2<\/sub>\/O2<\/sub>\u6df7\u5408\u4f53\u7cfb\uff08\u6469\u5c14\u6bd4 79\/21\uff09298 K\uff0c1\u4e2a\u5927\u6c14\u538b\u4e0b\uff0c\u6c14\u6d41\u91cf\u4e3a5 cm3<\/sup>min-1<\/sup>\u65f6\u7684\u5b9e\u9a8c\u7a81\u7834\u66f2\u7ebf\uff0c\u6d3b\u5316\u6761\u4ef6\u540c\u56fe3(b)\uff1bHe (10 cm3<\/sup>min-1<\/sup>) \u5728298 K\u51b2\u6d179\u5206\u949f\u540e\u91cd\u590d10\u6b21\u7684\u7a81\u7834\u66f2\u7ebf\u56fe\u3002\u5b9e\u6807\u548c\u865a\u6807\u5206\u522b\u8868\u793aN2<\/sub>\u548cO2<\/sub>\u7684\u6d53\u5ea6\uff1b<\/p>\n

(c) MIL-100(Cr)\u5728N2<\/sub>\/O2<\/sub>\u4f53\u7cfb283K\uff0c0.1bar\u4e0bGCMC\u6a21\u62df\u7684\u77ac\u6001\u56fe\uff1b<\/p>\n

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\u3010\u5c55\u671b\u3011<\/strong><\/p>\n

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\u3010\u6587\u732e\u4fe1\u606f\u3011<\/strong><\/p>\n

\u6587\u732e\u8fde\u63a5\uff1aSelective nitrogen capture by porous hybrid materials containing accessible transition metal ion sites<\/a>(Nat. Mater.\uff0c2016, DoI:10.1038\/nmat4825 )<\/strong><\/p>\n

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