{"id":403,"date":"2026-02-13T01:47:19","date_gmt":"2026-02-13T01:47:19","guid":{"rendered":"https:\/\/www.thermofisher.com\/blog\/accelerating-science-in-china\/?p=403"},"modified":"2026-04-30T08:02:53","modified_gmt":"2026-04-30T08:02:53","slug":"what-is-scanning-electron-microscopy","status":"publish","type":"post","link":"https:\/\/www.thermofisher.cn\/blog\/what-is-scanning-electron-microscopy\/","title":{"rendered":"\u4ec0\u4e48\u662f\u626b\u63cf\u7535\u5b50\u663e\u5fae\u955c(SEM)\uff1f"},"content":{"rendered":"
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\"\"<\/a><\/figure>\n<\/div>\n\n\n

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\"Example
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\u626b\u63cf\u7535\u5b50\u663e\u5fae\u955c\u901a\u5e38\u88ab\u8bbe\u8ba1\u4e3a\u53ef\u68c0\u6d4b\u591a\u79cd\u4fe1\u53f7\uff0c\u751a\u81f3\u5305\u62ec\u53cd\u5c04\u7535\u5b50\u4ee5\u5916\u7684\u4fe1\u53f7\u3002\u4f8b\u5982\uff0c\u5f53\u9ad8\u80fd\u7535\u5b50\u675f\u649e\u51fb\u6837\u54c1\u65f6\u4e5f\u4f1a\u4ea7\u751fX\u5c04\u7ebf\uff0c\u8fd9\u4e9bX\u5c04\u7ebf\u643a\u5e26\u4e86\u6709\u5173\u6837\u54c1\u7684\u989d\u5916\u4fe1\u606f\u3002\u7136\u800c\uff0c\u901a\u8fc7SEM\u83b7\u53d6\u7684\u4e24\u79cd\u4e3b\u8981\u7535\u5b50\u4fe1\u53f7\u662f\u80cc\u6563\u5c04\u7535\u5b50\u548c\u4e8c\u6b21\u7535\u5b50\u3002<\/p>\n\n\n\n

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\"Backscattered
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\"Secondary
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\u626b\u63cf\u7535\u955c\u4e2d\u7684\u80fd\u91cf\u8272\u6563\u8c31\u5206\u6790<\/strong>
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\u7ed3\u8bba<\/strong>
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\u672c\u535a\u5ba2\u5bf9\u626b\u63cf\u7535\u5b50\u663e\u5fae\u955c\u53ca\u5176\u529f\u80fd\u8fdb\u884c\u4e86\u9ad8\u5c42\u6b21\u7684\u4ecb\u7ecd\u3002\u5982\u679c\u60a8\u60f3\u4e86\u89e3\u66f4\u591a\u6709\u5173\u8fd9\u79cd\u4ee4\u4eba\u5174\u594b\u7684\u5206\u6790\u6280\u672f\u7684\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684<\/a>\u7535\u5b50\u663e\u5fae\u955c\u5b66\u4e60\u4e2d\u5fc3<\/a><\/strong><\/strong>\u3002<\/p>\n\n\n\n

\u5982\u679c\u60a8\u5e0c\u671b\u4e86\u89e3\u66f4\u591a\u7535\u5b50\u663e\u5fae\u955c\u7684\u57fa\u7840\u77e5\u8bc6\uff0c\u53ef\u4ee5\u6d4f\u89c8\u6211\u4eec\u201c\u663e\u5fae\u955c\u57fa\u7840101\u201d\u7cfb\u5217\u4e2d\u7684\u5176\u4ed6\u535a\u5ba2\u6587\u7ae0\uff0c\u5305\u62ec\uff1a
– \u7535\u5b50\u663e\u5fae\u955c\u7684\u7ed3\u6784<\/a>
– \u5982\u4f55\u4ea7\u751f\u7535\u5b50\u675f\uff1f\u2014\u2014\u7535\u5b50\u6e90\u57fa\u7840<\/a>
– TEM\u4e0eSEM\uff1a\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/a><\/p>\n\n\n\n

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