{"id":137264,"date":"2018-05-04T08:27:59","date_gmt":"2018-05-04T00:27:59","guid":{"rendered":"\/\/m.iemloyee.com\/?p=137264"},"modified":"2018-05-04T09:03:33","modified_gmt":"2018-05-04T01:03:33","slug":"%e5%8d%a2%e6%9f%af%e6%9c%80%e6%96%b0science%ef%bc%9a%e9%87%91%e5%b1%9e%e7%ba%b3%e7%b1%b3%e6%99%b6%e6%99%b6%e7%b2%92%e5%b0%ba%e5%af%b8%e8%b6%8a%e5%b0%8f%e4%ba%8e%e4%b8%b4%e7%95%8c%e5%b0%ba%e5%af%b8","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=137264","title":{"rendered":"\u5362\u67ef\u6700\u65b0Science\uff1a\u91d1\u5c5e\u7eb3\u7c73\u6676\u6676\u7c92\u5c3a\u5bf8\u8d8a\u5c0f\u4e8e\u4e34\u754c\u5c3a\u5bf8\uff0c\u5c45\u7136\u70ed\u7a33\u5b9a\u6027\u8d8a\u9ad8\uff01\uff01\uff01"},"content":{"rendered":"<p><strong>\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n<p>\u7eb3\u7c73\u5c3a\u5ea6\u91d1\u5c5e\u6676\u7c92\u7ec6\u5316\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u5176\u5f3a\u5ea6\u548c\u786c\u5ea6\u3002\u4f46\u5f15\u5165\u7684\u9ad8\u5bc6\u5ea6\u6676\u754c\uff08GBs\uff09\u4e3a\u6676\u7c92\u7c97\u5316\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u9a71\u52a8\u529b\u540c\u65f6\u4e5f\u5f71\u54cd\u6750\u6599\u7684\u6027\u80fd\u3002\u7eb3\u7c73\u7ea7\u91d1\u5c5e\u9897\u7c92\u878d\u5316\u6e29\u5ea6\u968f\u9897\u7c92\u76f4\u5f84\u7684\u51cf\u5c0f\u800c\u663e\u8457\u4e0b\u964d\u3002\u5bf9\u4e8e\u91d1\u5c5e\u4e2d\u7684\u7eb3\u7c73\u5c3a\u5bf8\u6676\u7c92\uff0c\u6676\u7c92\u7c97\u5316\u5f00\u59cb\u7684\u4e0d\u7a33\u5b9a\u6e29\u5ea6\u663e\u7740\u964d\u4f4e\u3002\u56fa\u6709\u7684\u70ed\u4e0d\u7a33\u5b9a\u6027\u662f\u7eb3\u7c73\u6210\u5f62\u6750\u6599\u7684\u201c\u81f4\u547d\u5f31\u70b9\u201d\uff0c\u963b\u788d\u4e86\u9ad8\u6e29\u4e0b\u7684\u6280\u672f\u5e94\u7528\u548c\u7eb3\u7c73\u9897\u7c92\u91d1\u5c5e\u7684\u52a0\u5de5\u590d\u6742\u5316\uff0c\u4ee5\u8fdb\u4e00\u6b65\u6539\u5584\u7ed3\u6784\u548c\u63d0\u9ad8\u6027\u80fd\u3002\u901a\u5e38\u91c7\u7528\u5408\u91d1\u5316\uff0c\u964d\u4f4e\u7eb3\u7c73\u6676\u7684\u6676\u754c\u80fd\u3002\u5408\u91d1\u5316\u867d\u7136\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u6709\u6240\u589e\u76ca\uff0c\u4f46\u662f\u4ecd\u7136\u96be\u4ee5\u907f\u514d\u91d1\u5c5e\u529b\u5b66\u6027\u80fd\u7684\u964d\u4f4e\u3002\u901a\u8fc7\u6eb6\u8d28\u504f\u6790\u964d\u4f4eGB\u80fd\u91cf\u53ef\u80fd\u4f1a\u964d\u4f4e\u7c97\u5316\u7684\u70ed\u529b\u5b66\u9a71\u52a8\u529b\uff0c\u4ece\u800c\u4e5f\u4f1a\u7a33\u5b9a\u7eb3\u7c73\u6676\u7c92\u3002\u4f46\u662f\u53ef\u80fd\u5f71\u54cd\u5e76\u6076\u5316\u7eb3\u7c73\u6210\u5f62\u6750\u6599\u7684\u673a\u68b0\uff0c\u7269\u7406\u6216\u5316\u5b66\u6027\u8d28\u3002\u5728\u6ca1\u6709\u5408\u91d1\u5316\u7684\u60c5\u51b5\u4e0b\uff0c\u7a33\u5b9a\u7eaf\u91d1\u5c5e\u4e2d\u7684\u7eb3\u7c73\u9897\u7c92\u7ed3\u6784\u5728\u6280\u672f\u4e0a\u662f\u5177\u6709\u6311\u6218\u6027\u7684\u3002<\/p>\n<p><strong>\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n<p>\u8fd1\u65e5\uff0c<strong>\u4e2d\u79d1\u9662\u6c88\u9633\u91d1\u5c5e\u7814\u7a76\u6240\u5362\u67ef\u7814\u7a76\u5458\u548c\u674e\u79c0\u8273\u7814\u7a76\u5458\u56e2\u961f\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u5728<strong>science<\/strong>\u53d1\u8868\u4e86\u9898\u4e3a<strong>\u201c<\/strong><strong>Enhanced thermal stability of nanograined metals below a critical grain size<\/strong><strong>\u201d<\/strong>\u7684\u6587\u7ae0<strong>\u3002<\/strong>\u7814\u7a76\u56e2\u961f\u4f7f\u7528\u7eaf\u5ea6\u4e3a99.97\uff05\uff0c\u8868\u9762\u4e3a\u7c97\u6676\u7684\u4e0d\u542b\u6c27\u7684Cu\u68d2\uff0c\u5728\u6db2\u6c2e\u6e29\u5ea6\u4e0b\u4f7f\u7528\u8868\u9762\u673a\u68b0\u7814\u78e8\u5904\u7406\uff08SMGT\uff09\u4ee5\u4ea7\u751f\u68af\u5ea6\u7eb3\u7c73\u8868\u9762\u5c42\u3002\u5f62\u6210\u5e73\u5747\u5c3a\u5bf8\u4e3a\u301c40\u00b12 nm\u548c\u957f\u5f84\u6bd4\u4e3a1.7\u7684\u968f\u673a\u53d6\u5411\u6676\u7c92\u3002TEM\u6d4b\u91cf\u53d1\u73b0\u6a2a\u5411\u6676\u7c92\u5c3a\u5bf8\u968f\u7740\u6df1\u5ea6\u589e\u52a0\u800c\u9010\u6e10\u589e\u52a0\uff0c\u6a2a\u622a\u9762\u6676\u7c92\u5e73\u5747\u5c3a\u5bf8\u4e3a70 nm\u5de6\u53f3\uff1b150 \u03bcm\u5904\uff0c\u6a2a\u622a\u9762\u6676\u7c92\u5e73\u5747\u5c3a\u5bf8\u4e3a200nm\u5de6\u53f3\u3002\u89c2\u5bdf\u5230\u53d8\u5f62\u7684\u6676\u7c92\u7ed3\u6784\u7c98\u9644\u5728150-500\u03bcm\u6df1\u5ea6\u8de8\u5ea6\u7684\u65e0\u53d8\u5f62\u6838\u5fc3\u4e0a\u3002\u5728\u7eafCu\u6216Ni\u4e2d\uff0cGB\u5411\u4f4e\u80fd\u6001\u7684\u81ea\u53d1\u7ed3\u6784\u6f14\u53d8\uff0c\u5bfc\u81f4\u7eb3\u7c73\u6676\u7c92\u663e\u7740\u7684\u70ed\u7a33\u5b9a\u6027\uff0c\u5176\u8868\u89c2\u4e0d\u7a33\u5b9a\u6e29\u5ea6\u751a\u81f3\u9ad8\u4e8e\u7c97\u6676\u7c92\u3002\u7814\u7a76\u8868\u660e\uff1a\u4f4e\u6e29\u4e0b\u7531\u5851\u6027\u53d8\u5f62\u4ea7\u751f\u7684\u7eaf\u94dc\u6216\u954d\u4e2d\u7684\u7eb3\u7c73\u7ea7\u6676\u7c92\u5728\u4e34\u754c\u6676\u7c92\u5c3a\u5bf8\u4ee5\u4e0b\u663e\u793a\u51fa\u663e\u8457\u7684\u70ed\u7a33\u5b9a\u6027\u3002\u56e0\u4e3a\u5851\u6027\u53d8\u5f62\u4e2d\u90e8\u5206\u4f4d\u9519\u7684\u6d3b\u5316\u4f7f\u7eb3\u7c73\u6676\u7c92\u4e4b\u95f4\u5f62\u6210\u4f4e\u89d2\u5ea6\u6676\u754c\uff0c\u5bfc\u81f4\u7eb3\u7c73\u6676\u6676\u754c\u81ea\u52a8\u4ece\u9ad8\u80fd\u6001\u6f14\u53d8\u5230\u4f4e\u80fd\u6001\uff0c\u4ece\u800c\u589e\u5f3a\u70ed\u7a33\u5b9a\u6027\u3002<\/p>\n<p><strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n<p><strong>\u56fe<\/strong><strong>1<\/strong><strong>\u9000\u706b\u5bfc\u81f4\u7eaf<\/strong><strong>Cu<\/strong><strong>\u8868\u9762\u68af\u5ea6\u7eb3\u7c73\u7ed3\u6784\u7684\u53d8\u5316<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-137265\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/05\/F1.large_.jpg\" alt=\"\" width=\"600\" height=\"532\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/05\/F1.large_.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/05\/F1.large_-300x266.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u56fe<\/strong><strong>2 <\/strong><strong>\u94dc\u8868\u9762\u5c42\u4e2d\u4e9a\u5fae\u7c73\u6676\u7c92\u7684\u9000\u706b\u8bf1\u5bfc\u7c97\u5316<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-137267\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/05\/F2.large_.jpg\" alt=\"\" width=\"600\" height=\"531\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/05\/F2.large_.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/05\/F2.large_-300x266.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u56fe<\/strong><strong>3 Cu<\/strong><strong>\u4e2d\u4e0d\u7a33\u5b9a\u6e29\u5ea6\u548c<\/strong><strong>GB<\/strong><strong>\u80fd\u91cf\u7684\u6676\u7c92\u5c3a\u5bf8\u4f9d\u8d56\u6027<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-137268\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/05\/F3.large_.jpg\" alt=\"\" width=\"600\" height=\"719\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/05\/F3.large_.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/05\/F3.large_-250x300.jpg 250w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u56fe<\/strong><strong>4<\/strong><strong>\u9000\u706b\u8bf1\u5bfc\u7684\u7ed3\u6784\u5728\u7eaf<\/strong><strong>Ni<\/strong><strong>\u4e2d\u68af\u5ea6\u7ed3\u6784\u7684\u53d8\u5316<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-137269\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/05\/F4.large_.jpg\" alt=\"\" width=\"600\" height=\"241\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/05\/F4.large_.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/05\/F4.large_-300x121.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u6587\u732e\u94fe\u63a5\uff1a<\/strong><strong><a href=\"http:\/\/science.sciencemag.org\/content\/360\/6388\/526.full\" target=\"_blank\" rel=\"noopener\">Enhanced thermal stability of nanograined metals below a critical grain size<\/a><\/strong>\uff08Science\uff0cDOI: 10.1126\/science.aar6941\uff09<\/p>\n<p>\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8<strong>\u7eb3\u7c73\u6750\u6599\u5b66\u672f\u7ec4<\/strong><strong>Kevin<\/strong><strong>\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406<\/strong>\u3002\u6b22\u8fce\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u7eb3\u7c73\u6750\u6599\u5b66\u672f\u4ea4\u6d41\u7fa4\uff08228686798\uff09\uff01<\/p>\n<p>\n \u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c<a href=\"\/\/m.iemloyee.com\/25127.html\" target=\"_blank\" rel=\"noopener\">\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n<p>\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1tougao@cailiaoren.com\u3002<\/p>\n<p>\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1a<strong>cailiaokefu<\/strong>\uff0c\u6211\u4eec\u4f1a\u9080\u8bf7\u5404\u4f4d\u8001\u5e08\u52a0\u5165\u4e13\u5bb6\u7fa4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u5f15\u8a00\u3011 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