{"id":49536,"date":"2017-07-18T00:00:00","date_gmt":"2017-07-18T00:00:00","guid":{"rendered":"https:\/\/www.cpr.cuhk.edu.hk\/press\/cuhk-faculty-of-engineering-develops-a-small-portable-low-cost-gas-sensing-system\/"},"modified":"2017-07-18T00:00:00","modified_gmt":"2017-07-18T00:00:00","slug":"cuhk-faculty-of-engineering-develops-a-small-portable-low-cost-gas-sensing-system","status":"publish","type":"press","link":"https:\/\/www.cpr.cuhk.edu.hk\/sc\/press\/cuhk-faculty-of-engineering-develops-a-small-portable-low-cost-gas-sensing-system\/","title":{"rendered":"\u4e2d\u5927\u5de5\u7a0b\u5b66\u9662\u7814\u53d1\u4fbf\u643a\u5f0f\u6c14\u4f53\u68c0\u6d4b\u7cfb\u7edf\u3000\u5c0f\u5de7\u7075\u654f\u6210\u672c\u4f4e"},"content":{"rendered":"","protected":false},"featured_media":0,"template":"","tags":[],"class_list":["post-49536","press","type-press","status-publish","hentry"],"acf":{"title_alt":"","sub_title_alt":"","press_date":"20170718","keep":false,"details":"

\u9999\u6e2f\u4e2d\u6587\u5927\u5b66\uff08\u4e2d\u5927\uff09\u673a\u68b0\u4e0e\u81ea\u52a8\u5316\u5de5\u7a0b\u5b66\u7cfb\u52a9\u7406\u6559\u6388\u4efb\u4f1f\u6559\u6388\u7684\u7814\u7a76\u56e2\u961f\uff0c\u6700\u8fd1\u6210\u529f\u7814\u53d1\u51fa\u4e00\u79cd\u6c14\u4f53\u68c0\u6d4b\u7cfb\u7edf\uff0c\u6240\u4f7f\u7528\u7684\u5149\u58f0\u5149\u8c31\u6280\u672f\u53ef\u5927\u5e45\u964d\u4f4e\u64cd\u4f5c\u6210\u672c\uff0c\u4e14\u5c0f\u5de7\u4fbf\u643a\u3001\u7075\u654f\u5ea6\u9ad8\uff0c\u53ef\u5feb\u901f\u51c6\u786e\u5730\u68c0\u6d4b\u5982\u4e00\u6c27\u5316\u6c2e\u3001\u4e00\u6c27\u5316\u78b3\u53ca\u7532\u919b\u7b49\u591a\u79cd\u5bf9\u4eba\u4f53\u6709\u5bb3\u7684\u6c61\u67d3\u7269\uff0c\u4ea6\u53ef\u7528\u4e8e\u5206\u6790\u75c5\u4eba\u547c\u51fa\u7684\u6c14\u4f53\u6210\u5206\uff0c\u4f5c\u4e3a\u4fa6\u6d4b\u75be\u75c5\u7279\u5f81\u7684\u533b\u7597\u8f85\u52a9\u5de5\u5177\u3002 <\/p>

\u65b0\u578b\u8f7b\u4fbf\u6c14\u4f53\u68c0\u6d4b\u7cfb\u7edf\u51c6\u786e\u68c0\u6d4b\u5fae\u91cf\u7532\u919b<\/strong> <\/p>

\u73b0\u65f6\u672c\u6e2f\u6cd5\u4f8b\u5bf9\u5efa\u7b51\u6750\u6599\u53ca\u5bb6\u5177\u91ca\u51fa\u7684\u6c14\u4f53\u7f3a\u4e4f\u76d1\u7ba1\uff0c\u5e02\u6c11\u5927\u90e8\u5206\u65f6\u95f4\u4e8e\u5ba4\u5185\u5de5\u4f5c\u53ca\u751f\u6d3b\uff0c\u6709\u673a\u4f1a\u957f\u671f\u5438\u5165\u6709\u5bb3\u6c61\u67d3\u7269\u800c\u4e0d\u81ea\u77e5\u3002\u5ba4\u5185\u7a7a\u6c14\u6c61\u67d3\u7269\u4e2d\uff0c\u4ee5\u7532\u919b\u6700\u53eb\u4eba\u95fb\u98ce\u8272\u53d8\uff0c\u56e0\u533b\u5b66\u754c\u5df2\u5c06\u7532\u919b\u5217\u4e3a\u4e00\u7ea7\u81f4\u764c\u7269\u3002\u7eaf\u7532\u919b\u662f\u5177\u6709\u7279\u6b8a\u523a\u6fc0\u6027\u6c14\u5473\u7684\u65e0\u8272\u6c14\u4f53\uff0c\u73b0\u884c\u7684\u5fae\u91cf\u6c14\u4f53\u5206\u6790\u7cfb\u7edf\u88c5\u7f6e\u4f53\u79ef\u5e9e\u5927\uff0c\u52a8\u6001\u6d4b\u91cf\u8303\u56f4\u6709\u9650\uff0c\u800c\u4e14\u4ef7\u683c\u6602\u8d35\u3002\u9488\u5bf9\u4ee5\u4e0a\u95ee\u9898\uff0c\u4e2d\u5927\u7814\u7a76\u56e2\u961f\u5229\u7528\u77f3\u82f1\u589e\u5f3a\u5149\u58f0\u5149\u8c31\u6280\u672f\uff0c\u5f00\u53d1\u51fa\u4f53\u79ef\u5c0f\u5de7\u7684\u7a7a\u6c14\u6c61\u67d3\u68c0\u6d4b\u7cfb\u7edf\uff0c\u53ea\u9700\u4e00\u540d\u68c0\u6d4b\u4eba\u5458\uff0c\u5373\u53ef\u8f7b\u677e\u643a\u5e26\u88c5\u7f6e\u5230\u4efb\u4f55\u5730\u70b9\uff0c\u5982\u4f4f\u5b85\u3001\u529e\u516c\u5ba4\u3001\u5b66\u6821\u3001\u533b\u9662\u3001\u4ea4\u901a\u5de5\u5177\u7b49\uff0c\u8fdb\u884c\u6df1\u5165\u7684\u63a2\u6d4b\uff1b\u88c5\u7f6e\u4e5f\u53ef\u4ee5\u642d\u8f7d\u81f3\u65e0\u4eba\u673a\uff0c\u4ee5\u9065\u63a7\u65b9\u5f0f\u8fdb\u5165\u96a7\u9053\u3001\u5730\u4e0b\u9053\u3001\u504f\u8fdc\u5730\u533a\u6216\u707e\u573a\u7b49\u5371\u9669\u533a\u57df\uff0c\u914d\u5408\u667a\u80fd\u8fdc\u7a0b\u6570\u636e\u53ca\u4f20\u8f93\uff0c\u628a\u5206\u6790\u6c14\u4f53\u542b\u91cf\u5b9e\u65f6\u9001\u51fa\uff0c\u627e\u51fa\u65e0\u8272\u65e0\u5473\u7684\u6c61\u67d3\u7269\uff0c\u907f\u514d\u6c14\u4f53\u5f02\u5e38\u5f15\u53d1\u7684\u610f\u5916\u3002 <\/p>

\u9664\u4e86\u4f53\u79ef\u5c0f\uff0c\u6d4b\u91cf\u7684\u9ad8\u7cbe\u51c6\u5ea6\u548c\u901f\u5ea6\u662f\u6280\u672f\u7684\u53e6\u4e00\u5927\u7a81\u7834\u3002\u4efb\u4f1f\u6559\u6388\u6307\u51fa\uff0c\u6280\u672f\u6d4b\u91cf\u7cbe\u51c6\u5ea6\u8fbe\u5341\u4ebf\u5206\u4e4b\u4e00\uff08ppb\uff09\u7ea7\u522b\uff0c\u57280.1\u79d2\u5185\u80fd\u91cf\u5ea6\u51fa\u6c61\u67d3\u7269\u6d53\u5ea6\u53d8\u5316\uff1b\u4ee5\u7532\u919b\u4e3a\u4f8b\uff0c\u6781\u5fae\u91cf\u5df2\u8db3\u4ee5\u5f71\u54cd\u5a74\u5e7c\u513f\u7684\u53d1\u80b2\uff0c\u9ad8\u7075\u654f\u5ea6\u7684\u5373\u65f6\u68c0\u6d4b\uff0c\u6709\u6548\u627e\u51fa\u5fae\u91cf\u6c61\u67d3\u7269\u53ca\u5176\u6e90\u5934\u3002\u4f4e\u6210\u672c\u4ea6\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u7a81\u7834\u3002\u77f3\u82f1\u589e\u5f3a\u5149\u58f0\u5149\u8c31\u6280\u672f\uff0c\u901a\u8fc7\u6210\u672c\u4f4e\u5ec9\u7684\u77f3\u82f1\u97f3\u53c9\uff0c\u68c0\u6d4b\u7531\u6fc0\u5149\u5438\u6536\u800c\u4ea7\u751f\u7684\u58f0\u6ce2\u4fe1\u53f7\uff0c\u5feb\u901f\u7cbe\u786e\u3002\u7814\u7a76\u56e2\u961f\u76ee\u524d\u5df2\u6210\u529f\u5f00\u53d1\u4e00\u6c27\u5316\u6c2e\u68c0\u6d4b\u6837\u673a\uff0c\u53ea\u9700\u7b80\u5355\u66f4\u6362\u5149\u6e90\uff0c\u5373\u53ef\u5e94\u7528\u81f3\u7532\u919b\u3001\u8fc7\u6c27\u5316\u6c22\u3001\u81ed\u6c27\u4ee5\u53ca\u6c2f\u5316\u6c22\u7b49\u591a\u79cd\u6c61\u67d3\u7269\u4e4b\u68c0\u6d4b\uff0c\u6269\u5c55\u5ea6\u9ad8\u3002\u77f3\u82f1\u97f3\u53c9\u53ca\u6fc0\u5149\u88c5\u7f6e\u53ef\u5faa\u73af\u91cd\u8986\u4f7f\u7528\uff0c\u635f\u8017\u4f4e\uff0c\u800c\u4e14\u64cd\u4f5c\u7b80\u4fbf\uff0c\u8bfb\u6570\u4e00\u76ee\u4e86\u7136\uff0c\u4f7f\u7528\u8005\u65e0\u9700\u7ecf\u8fc7\u4e13\u4e1a\u8bad\u7ec3\u3002\u4e0e\u73b0\u6709\u7cfb\u7edf\u6bd4\u8f83\uff0c\u5176\u4f7f\u7528\u6210\u672c\u5927\u5e45\u964d\u4f4e\u81f3\u73b0\u65f6\u7684\u767e\u5206\u4e4b\u4e00\u81f3\u4e94\u5341\u5206\u4e4b\u4e00\u3002 <\/p>

\u5206\u6790\u75c5\u4eba\u547c\u6c14\u6210\u5206\u4ee5\u8bc4\u4f30\u5065\u5eb7\u72b6\u51b5<\/strong> <\/p>

\u4efb\u535a\u58eb\u900f\u9732\uff0c\u7814\u7a76\u56e2\u961f\u4eca\u5e74\u5c06\u8054\u540c\u4e2d\u5927\u533b\u5b66\u9662\uff0c\u4e8e\u5a01\u5c14\u65af\u4eb2\u738b\u533b\u9662\u548c\u96c5\u4e3d\u6c0f\u4f55\u5999\u9f84\u90a3\u6253\u7d20\u533b\u9662\u8fdb\u884c\u4e34\u5e8a\u6d4b\u8bd5\uff0c\u68c0\u6d4b\u75c5\u4eba\u547c\u51fa\u7684\u6c14\u4f53\uff0c\u901a\u8fc7\u6d4b\u91cf\u78b3\u540c\u4f4d\u7d20(Carbon isotope)\u7684\u542b\u91cf\uff0c\u53ef\u53cd\u6620\u80c3\u90e8\u662f\u5426\u5e26\u6709\u5e7d\u95e8\u87ba\u65cb\u83cc\uff0c\u4ece\u800c\u627e\u51fa\u80c3\u708e\u3001\u80c3\u6e83\u75a1\u751a\u81f3\u80c3\u764c\u7684\u8b66\u53f7\uff0c\u75c5\u4eba\u4ea6\u6bcb\u987b\u627f\u53d7\u5165\u4fb5\u6027\u68c0\u6d4b\u5982\u7167\u80c3\u955c\u4e4b\u82e6\u3002\u4f5c\u4e3a\u4fa6\u6d4b\u75be\u75c5\u7279\u5f81\u7684\u751f\u7269\u6807\u8bb0(Biomarker)\uff0c\u5176\u4ed6\u547c\u6c14\u6307\u6807\u8fd8\u5305\u62ec\u4e19\u916e(Acetone)\uff0c\u53ef\u53cd\u6620\u7cd6\u5c3f\u75c5\u6216\u6162\u6027\u5fc3\u529b\u8870\u7aed\uff1b\u6c22\u5219\u53cd\u6620\u4e73\u7cd6\u4e0d\u8010\u75c7\uff1b\u6c28\uff08\u6216\u79f0\u963f\u6469\u5c3c\u4e9a\uff09\u4e0e\u809d\u6216\u80be\u810f\u529f\u80fd\u72b6\u51b5\u76f8\u5173\uff1b\u800c\u4e00\u6c27\u5316\u6c2e\u8fc7\u9ad8\uff0c\u5219\u53ef\u80fd\u53cd\u6620\u54ee\u5598\u53ca\u6162\u6027\u5fc3\u529b\u8870\u7aed\u75c7\uff1b\u81f3\u4e8e\u672c\u5730\u764c\u75c7\u5934\u53f7\u6740\u624b\u80ba\u764c\uff0c\u53ef\u53cd\u6620\u5728\u547c\u6c14\u4e2d\u7684\u6325\u53d1\u6027\u6709\u673a\u5316\u5408\u7269(Volatile organic compounds, VOCs)\u542b\u91cf\u4e2d\u3002\u4ee5\u4e0a\u591a\u5143\u5316\u7684\u547c\u6c14\u6d4b\u8bd5\uff0c\u6709\u6548\u534f\u52a9\u533b\u751f\u53ca\u65e9\u53d1\u73b0\u75c7\u72b6\uff0c\u5927\u5927\u63d0\u9ad8\u6cbb\u6108\u7684\u673a\u4f1a\u3002 <\/p>

\u9ad8\u7075\u6d3b\u6027\u3001\u9ad8\u7075\u654f\u5ea6\u3001\u53cd\u5e94\u5feb\u901f\u3001\u4fbf\u4e8e\u643a\u5e26\u7684\u6c14\u4f53\u68c0\u6d4b\u88c5\u7f6e\uff0c\u5bf9\u4e8e\u9999\u6e2f\u4ee5\u53ca\u4efb\u4f55\u5927\u90fd\u5e02\u90fd\u5177\u6709\u5212\u65f6\u4ee3\u7684\u4ef7\u503c\u3002\u4efb\u6559\u6388\u6307\u51fa\uff0c\u653f\u5e9c\u548c\u73af\u4fdd\u673a\u6784\u53ef\u6839\u636e\u7cbe\u51c6\u5feb\u901f\u7684\u7a7a\u6c14\u6c61\u67d3\u7269\u542b\u91cf\u6570\u636e\uff0c\u53ca\u5176\u5206\u5e03\u60c5\u51b5\uff0c\u5236\u5b9a\u76f8\u5e94\u7684\u73af\u4fdd\u653f\u7b56\uff0c\u4ee5\u6539\u5584\u7a7a\u6c14\u8d28\u7d20\uff0c\u4fdd\u969c\u5e02\u6c11\u5065\u5eb7\uff0c\u51cf\u8f7b\u533b\u7597\u5f00\u652f\uff0c\u6709\u5229\u4e8e\u667a\u6167\u57ce\u5e02\u53d1\u5c55\uff1b\u800c\u4e2d\u56fd\u73af\u4fdd\u4ea7\u4e1a\u7684\u5168\u793e\u4f1a\u6295\u8d44\uff0c\u6709\u671b\u8fbe17\u4e07\u4ebf\u5143\u4eba\u6c11\u5e01\u3002\u56e0\u6b64\uff0c\u7a7a\u6c14\u8d28\u7d20\u63a2\u6d4b\u88c5\u7f6e\u4e4b\u521b\u65b0\u7814\u53d1\uff0c\u5728\u516c\u5171\u5065\u5eb7\u3001\u7ecf\u6d4e\u53ca\u4ea7\u4e1a\u53d1\u5c55\u4e09\u65b9\u9762\uff0c\u5747\u5177\u6709\u6df1\u8fdc\u7684\u610f\u4e49\u3002<\/p>

\u65b0\u65e7\u7cfb\u7edf\u6bd4\u8f83<\/strong><\/strong><\/p>

 <\/strong><\/p><\/td>

\u4fbf\u643a\u5f0f\u6c14\u4f53\u63a2\u6d4b\u88c5\u7f6e<\/strong><\/strong><\/p><\/td>

\u73b0\u884c\u6c14\u4f53\u5206\u6790\u88c5\u7f6e<\/strong><\/strong><\/p><\/td><\/tr>

\u4f53\u79ef<\/strong><\/strong><\/p><\/td>

\u5c0f\u5de7<\/p><\/td>

\u5e9e\u5927<\/p><\/td><\/tr>

\u4fbf\u643a\u6027<\/strong><\/strong><\/p><\/td>

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\u5373\u65f6\u6027<\/strong><\/strong><\/p><\/td>

\u5b9e\u65f6\u8bfb\u6570<\/p><\/td>

\u5ef6\u540e\u8bfb\u6570<\/p><\/td><\/tr>

\u64cd\u4f5c\u6280\u5de7<\/strong><\/strong><\/p><\/td>

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\u987b\u7531\u4e13\u4e1a\u4eba\u58eb\u64cd\u4f5c<\/p><\/td><\/tr>

\u5e94\u7528\u8303\u56f4<\/strong><\/strong><\/p><\/td>

\u5e7f\uff0c\u8fbe\u504f\u8fdc\u6216\u4e0d\u5b9c\u4eba\u8fdb\u5165\u7684\u5730\u533a<\/p><\/td>

\u6709\u9650<\/p><\/td><\/tr>

\u6210\u672c<\/strong><\/strong><\/p><\/td>

\u4f4e\u5ec9\uff0c\u4ec5\u4e3a\u73b0\u65f6\u76841-2%<\/p><\/td>

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