{"id":80585,"date":"2017-05-14T06:30:00","date_gmt":"2017-05-13T22:30:00","guid":{"rendered":"\/\/m.iemloyee.com\/?p=80585"},"modified":"2017-05-15T19:38:01","modified_gmt":"2017-05-15T11:38:01","slug":"%e5%8a%a8%e6%80%81%e5%85%89%e6%95%a3%e5%b0%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86%e5%8f%8a%e5%85%b6%e5%9c%a8%e7%ba%b3%e7%b1%b3%e7%a7%91%e6%8a%80%e4%b8%ad%e7%9a%84%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=80585","title":{"rendered":"\u52a8\u6001\u5149\u6563\u5c04\u57fa\u672c\u539f\u7406\u53ca\u5176\u5728\u7eb3\u7c73\u79d1\u6280\u4e2d\u7684\u5e94\u7528\u2014\u2014\u7c92\u5f84\u6d4b\u91cf"},"content":{"rendered":"
\u524d\u8a00<\/strong><\/p>\n \u52a8\u6001\u5149\u6563\u5c04\uff08Dynamic Light Scattering ,DLS)\uff0c\u4e5f\u79f0\u5149\u5b50\u76f8\u5173\u5149\u8c31Photon Correlation Spectroscopy (PCS) \uff0c\u51c6\u5f39\u6027\u5149\u6563\u5c04quasi-elastic scattering\uff0c\u6d4b\u91cf\u5149\u5f3a\u7684\u6ce2\u52a8\u968f\u65f6\u95f4\u7684\u53d8\u5316\u3002<\/p>\n DLS\u6280\u672f\u6d4b\u91cf\u7c92\u5b50\u7c92\u5f84\uff0c\u5177\u6709\u51c6\u786e\u3001\u5feb\u901f\u3001\u53ef\u91cd\u590d\u6027\u597d\u7b49\u4f18\u70b9\uff0c\u5df2\u7ecf\u6210\u4e3a\u7eb3\u7c73\u79d1\u6280\u4e2d\u6bd4\u8f83\u5e38\u89c4\u7684\u4e00\u79cd\u8868\u5f81\u65b9\u6cd5\u3002\u968f\u7740\u4eea\u5668\u7684\u66f4\u65b0\u548c\u6570\u636e\u5904\u7406\u6280\u672f\u7684\u53d1\u5c55\uff0c\u73b0\u5728\u7684\u52a8\u6001\u5149\u6563\u5c04\u4eea\u5668\u4e0d\u4ec5\u5177\u5907\u6d4b\u91cf\u7c92\u5f84\u7684\u529f\u80fd\uff0c\u8fd8\u5177\u6709\u6d4b\u91cfZeta\u7535\u4f4d\u3001\u5927\u5206\u5b50\u7684\u5206\u5b50\u91cf\u7b49\u7684\u80fd\u529b\u3002<\/p>\n 1<\/strong>. \u7c92\u5b50\u7684\u5e03\u6717\u8fd0\u52a8<\/strong>\uff08Brownian motion\uff09\u5bfc\u81f4\u5149\u5f3a\u7684\u6ce2\u52a8\uff0c\u5fae\u5c0f\u7c92\u5b50\u60ac\u6d6e\u5728\u6db2\u4f53\u4e2d\u4f1a\u65e0\u89c4\u5219\u5730\u8fd0\u52a8\u3002\u5e03\u6717\u8fd0\u52a8\u7684\u901f\u5ea6\u4f9d\u8d56\u4e8e\u7c92\u5b50\u7684\u5927\u5c0f\u548c\u5a92\u4f53\u7c98\u5ea6\uff0c\u7c92\u5b50\u8d8a\u5c0f\uff0c\u5a92\u4f53\u7c98\u5ea6\u8d8a\u5c0f\uff0c\u5e03\u6717\u8fd0\u52a8\u8d8a\u5feb\u3002<\/p>\n 2. \u5149\u4fe1\u53f7\u4e0e\u7c92\u5f84\u7684\u5173\u7cfb<\/strong><\/p>\n \uff081\uff09\u5149\u901a\u8fc7\u80f6\u4f53\u65f6\uff0c\u7c92\u5b50\u4f1a\u5c06\u5149\u6563\u5c04\uff0c\u5728\u4e00\u5b9a\u89d2\u5ea6\u4e0b\u53ef\u4ee5\u68c0\u6d4b\u5230\u5149\u4fe1\u53f7\uff0c\u6240\u68c0\u6d4b\u5230\u7684\u4fe1\u53f7\u662f\u591a\u4e2a\u6563\u5c04\u5149\u5b50\u53e0\u52a0\u540e\u7684\u7ed3\u679c\uff0c\u5177\u6709\u7edf\u8ba1\u610f\u4e49\u3002<\/p>\n \uff082\uff09\u77ac\u95f4\u5149\u5f3a\u4e0d\u662f\u56fa\u5b9a\u503c\uff0c\u5728\u67d0\u4e00\u5e73\u5747\u503c\u4e0b\u6ce2\u52a8\uff0c\u4f46\u6ce2\u52a8\u632f\u5e45\u4e0e\u7c92\u5b50\u7c92\u5f84\u6709\u5173\u3002<\/p>\n \uff083\uff09\u67d0\u4e00\u65f6\u95f4\u7684\u5149\u5f3a\u4e0e\u53e6\u4e00\u65f6\u95f4\u7684\u5149\u5f3a\u76f8\u6bd4\uff0c\u5728\u6781\u77ed\u65f6\u95f4\u5185\uff0c\u53ef\u4ee5\u8ba4\u8bc6\u662f\u76f8\u540c\u7684\uff0c\u6211\u4eec\u53ef\u4ee5\u8ba4\u4e3a\u76f8\u5173\u5ea6\u4e3a1,\u5728\u7a0d\u957f\u65f6\u95f4\u540e\uff0c\u5149\u5f3a\u76f8\u4f3c\u5ea6\u4e0b\u964d\uff0c\u65f6\u95f4\u65e0\u7a77\u957f\u65f6\uff0c\u5149\u5f3a\u5b8c\u5168\u4e0e\u4e4b\u524d\u7684\u4e0d\u540c\uff0c\u8ba4\u4e3a\u76f8\u5173\u5ea6\u4e3a0\u3002<\/p>\n \uff084\uff09\u6839\u636e\u5149\u5b66\u7406\u8bba\u53ef\u5f97\u51fa\u5149\u5f3a\u76f8\u5173\u8bae\u7a0b\u3002<\/p>\n \uff085\uff09\u4e4b\u524d\u63d0\u5230\uff0c\u6b63\u5728\u505a\u5e03\u6717\u8fd0\u52a8\u7684\u7c92\u5b50\u901f\u5ea6\uff0c\u4e0e\u7c92\u5f84\uff08\u7c92\u5b50\u5927\u5c0f\uff09\u76f8\u5173\uff08Stokes – Einstein\u65b9\u7a0b\uff09\u3002 \u5927\u9897\u7c92\u8fd0\u52a8\u7f13\u6162\uff0c\u5c0f\u7c92\u5b50\u8fd0\u52a8\u5feb\u901f\u3002\u5982\u679c\u6d4b\u91cf\u5927\u9897\u7c92\uff0c\u90a3\u4e48\u7531\u4e8e\u5b83\u4eec\u8fd0\u52a8\u7f13\u6162\uff0c\u6563\u5c04\u5149\u6591\u7684\u5f3a\u5ea6\u4e5f\u5c06\u7f13\u6162\u6ce2\u52a8\u3002\u7c7b\u4f3c\u5730\uff0c\u5982\u679c\u6d4b\u91cf\u5c0f\u7c92\u5b50\uff0c\u90a3\u4e48\u7531\u4e8e\u5b83\u4eec\u8fd0\u52a8\u5feb\u901f\uff0c\u6563\u5c04\u5149\u6591\u7684\u5bc6\u5ea6\u4e5f\u5c06\u5feb\u901f\u6ce2\u52a8\u3002<\/p>\n \uff086\uff09\u6700\u540e\u901a\u8fc7\u5149\u5f3a\u6ce2\u52a8\u53d8\u5316\u548c\u5149\u5f3a\u76f8\u5173\u51fd\u6570\u8ba1\u7b97\u51fa\u7c92\u5f84\u53ca\u5176\u5206\u5e03\u3002<\/p>\n<\/a><\/p>\n
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