{"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\/tc\/press\/cuhk-faculty-of-engineering-develops-a-small-portable-low-cost-gas-sensing-system\/","title":{"rendered":"\u4e2d\u5927\u5de5\u7a0b\u5b78\u9662\u7814\u767c\u4fbf\u651c\u5f0f\u6c23\u9ad4\u6aa2\u6e2c\u7cfb\u7d71\u3000\u5c0f\u5de7\u9748\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\u5b78\uff08\u4e2d\u5927\uff09\u6a5f\u68b0\u8207\u81ea\u52d5\u5316\u5de5\u7a0b\u5b78\u7cfb\u52a9\u7406\u6559\u6388\u4efb\u5049\u6559\u6388\u7684\u7814\u7a76\u5718\u968a\uff0c\u6700\u8fd1\u6210\u529f\u7814\u767c\u51fa\u4e00\u7a2e\u6c23\u9ad4\u6aa2\u6e2c\u7cfb\u7d71\uff0c\u6240\u4f7f\u7528\u7684\u5149\u8072\u5149\u8b5c\u6280\u8853\u53ef\u5927\u5e45\u964d\u4f4e\u64cd\u4f5c\u6210\u672c\uff0c\u4e14\u5c0f\u5de7\u4fbf\u651c\u3001\u9748\u654f\u5ea6\u9ad8\uff0c\u53ef\u5feb\u901f\u6e96\u78ba\u5730\u6aa2\u6e2c\u5982\u4e00\u6c27\u5316\u6c2e\u3001\u4e00\u6c27\u5316\u78b3\u53ca\u7532\u919b\u7b49\u591a\u7a2e\u5c0d\u4eba\u9ad4\u6709\u5bb3\u7684\u6c61\u67d3\u7269\uff0c\u4ea6\u53ef\u7528\u65bc\u5206\u6790\u75c5\u4eba\u547c\u51fa\u7684\u6c23\u9ad4\u6210\u5206\uff0c\u4f5c\u70ba\u5075\u6e2c\u75be\u75c5\u7279\u5fb5\u7684\u91ab\u7642\u8f14\u52a9\u5de5\u5177\u3002 <\/p>

\u65b0\u578b\u8f15\u4fbf\u6c23\u9ad4\u6aa2\u6e2c\u7cfb\u7d71\u6e96\u78ba\u6aa2\u6e2c\u5fae\u91cf\u7532\u919b<\/strong> <\/p>

\u73fe\u6642\u672c\u6e2f\u6cd5\u4f8b\u5c0d\u5efa\u7bc9\u6750\u6599\u53ca\u5bb6\u5177\u91cb\u51fa\u7684\u6c23\u9ad4\u7f3a\u4e4f\u76e3\u7ba1\uff0c\u5e02\u6c11\u5927\u90e8\u5206\u6642\u9593\u65bc\u5ba4\u5167\u5de5\u4f5c\u53ca\u751f\u6d3b\uff0c\u6709\u6a5f\u6703\u9577\u671f\u5438\u5165\u6709\u5bb3\u6c61\u67d3\u7269\u800c\u4e0d\u81ea\u77e5\u3002\u5ba4\u5167\u7a7a\u6c23\u6c61\u67d3\u7269\u4e2d\uff0c\u4ee5\u7532\u919b\u6700\u53eb\u4eba\u805e\u98a8\u8272\u8b8a\uff0c\u56e0\u91ab\u5b78\u754c\u5df2\u5c07\u7532\u919b\u5217\u70ba\u4e00\u7d1a\u81f4\u764c\u7269\u3002\u7d14\u7532\u919b\u662f\u5177\u6709\u7279\u6b8a\u523a\u6fc0\u6027\u6c23\u5473\u7684\u7121\u8272\u6c23\u9ad4\uff0c\u73fe\u884c\u7684\u5fae\u91cf\u6c23\u9ad4\u5206\u6790\u7cfb\u7d71\u88dd\u7f6e\u9ad4\u7a4d\u9f90\u5927\uff0c\u52d5\u614b\u6e2c\u91cf\u7bc4\u570d\u6709\u9650\uff0c\u800c\u4e14\u50f9\u683c\u6602\u8cb4\u3002\u91dd\u5c0d\u4ee5\u4e0a\u554f\u984c\uff0c\u4e2d\u5927\u7814\u7a76\u5718\u968a\u5229\u7528\u77f3\u82f1\u589e\u5f37\u5149\u8072\u5149\u8b5c\u6280\u8853\uff0c\u958b\u767c\u51fa\u9ad4\u7a4d\u5c0f\u5de7\u7684\u7a7a\u6c23\u6c61\u67d3\u6aa2\u6e2c\u7cfb\u7d71\uff0c\u53ea\u9700\u4e00\u540d\u6aa2\u6e2c\u4eba\u54e1\uff0c\u5373\u53ef\u8f15\u9b06\u651c\u5e36\u88dd\u7f6e\u5230\u4efb\u4f55\u5730\u9ede\uff0c\u5982\u4f4f\u5b85\u3001\u8fa6\u516c\u5ba4\u3001\u5b78\u6821\u3001\u91ab\u9662\u3001\u4ea4\u901a\u5de5\u5177\u7b49\uff0c\u9032\u884c\u6df1\u5165\u7684\u63a2\u6e2c\uff1b\u88dd\u7f6e\u4e5f\u53ef\u4ee5\u642d\u8f09\u81f3\u7121\u4eba\u6a5f\uff0c\u4ee5\u9059\u63a7\u65b9\u5f0f\u9032\u5165\u96a7\u9053\u3001\u5730\u4e0b\u9053\u3001\u504f\u9060\u5730\u5340\u6216\u707d\u5834\u7b49\u5371\u96aa\u5340\u57df\uff0c\u914d\u5408\u667a\u80fd\u9060\u7a0b\u6578\u64da\u53ca\u50b3\u8f38\uff0c\u628a\u5206\u6790\u6c23\u9ad4\u542b\u91cf\u5be6\u6642\u9001\u51fa\uff0c\u627e\u51fa\u7121\u8272\u7121\u5473\u7684\u6c61\u67d3\u7269\uff0c\u907f\u514d\u6c23\u9ad4\u7570\u5e38\u5f15\u767c\u7684\u610f\u5916\u3002 <\/p>

\u9664\u4e86\u9ad4\u7a4d\u5c0f\uff0c\u6e2c\u91cf\u7684\u9ad8\u7cbe\u6e96\u5ea6\u548c\u901f\u5ea6\u662f\u6280\u8853\u7684\u53e6\u4e00\u5927\u7a81\u7834\u3002\u4efb\u5049\u6559\u6388\u6307\u51fa\uff0c\u6280\u8853\u6e2c\u91cf\u7cbe\u6e96\u5ea6\u9054\u5341\u5104\u5206\u4e4b\u4e00\uff08ppb\uff09\u7d1a\u5225\uff0c\u57280.1\u79d2\u5167\u80fd\u91cf\u5ea6\u51fa\u6c61\u67d3\u7269\u6fc3\u5ea6\u8b8a\u5316\uff1b\u4ee5\u7532\u919b\u70ba\u4f8b\uff0c\u6975\u5fae\u91cf\u5df2\u8db3\u4ee5\u5f71\u97ff\u5b30\u5e7c\u5152\u7684\u767c\u80b2\uff0c\u9ad8\u9748\u654f\u5ea6\u7684\u5373\u6642\u6aa2\u6e2c\uff0c\u6709\u6548\u627e\u51fa\u5fae\u91cf\u6c61\u67d3\u7269\u53ca\u5176\u6e90\u982d\u3002\u4f4e\u6210\u672c\u4ea6\u662f\u4e00\u500b\u91cd\u8981\u7684\u7a81\u7834\u3002\u77f3\u82f1\u589e\u5f37\u5149\u8072\u5149\u8b5c\u6280\u8853\uff0c\u901a\u904e\u6210\u672c\u4f4e\u5ec9\u7684\u77f3\u82f1\u97f3\u53c9\uff0c\u6aa2\u6e2c\u7531\u6fc0\u5149\u5438\u6536\u800c\u7522\u751f\u7684\u8072\u6ce2\u4fe1\u865f\uff0c\u5feb\u901f\u7cbe\u78ba\u3002\u7814\u7a76\u5718\u968a\u76ee\u524d\u5df2\u6210\u529f\u958b\u767c\u4e00\u6c27\u5316\u6c2e\u6aa2\u6e2c\u6a23\u6a5f\uff0c\u53ea\u9700\u7c21\u55ae\u66f4\u63db\u5149\u6e90\uff0c\u5373\u53ef\u61c9\u7528\u81f3\u7532\u919b\u3001\u904e\u6c27\u5316\u6c2b\u3001\u81ed\u6c27\u4ee5\u53ca\u6c2f\u5316\u6c2b\u7b49\u591a\u7a2e\u6c61\u67d3\u7269\u4e4b\u6aa2\u6e2c\uff0c\u64f4\u5c55\u5ea6\u9ad8\u3002\u77f3\u82f1\u97f3\u53c9\u53ca\u6fc0\u5149\u88dd\u7f6e\u53ef\u5faa\u74b0\u91cd\u8986\u4f7f\u7528\uff0c\u640d\u8017\u4f4e\uff0c\u800c\u4e14\u64cd\u4f5c\u7c21\u4fbf\uff0c\u8b80\u6578\u4e00\u76ee\u4e86\u7136\uff0c\u4f7f\u7528\u8005\u7121\u9700\u7d93\u904e\u5c08\u696d\u8a13\u7df4\u3002\u8207\u73fe\u6709\u7cfb\u7d71\u6bd4\u8f03\uff0c\u5176\u4f7f\u7528\u6210\u672c\u5927\u5e45\u964d\u4f4e\u81f3\u73fe\u6642\u7684\u767e\u5206\u4e4b\u4e00\u81f3\u4e94\u5341\u5206\u4e4b\u4e00\u3002 <\/p>

\u5206\u6790\u75c5\u4eba\u547c\u6c23\u6210\u5206\u4ee5\u8a55\u4f30\u5065\u5eb7\u72c0\u6cc1<\/strong> <\/p>

\u4efb\u535a\u58eb\u900f\u9732\uff0c\u7814\u7a76\u5718\u968a\u4eca\u5e74\u5c07\u806f\u540c\u4e2d\u5927\u91ab\u5b78\u9662\uff0c\u65bc\u5a01\u723e\u65af\u89aa\u738b\u91ab\u9662\u548c\u96c5\u9e97\u6c0f\u4f55\u5999\u9f61\u90a3\u6253\u7d20\u91ab\u9662\u9032\u884c\u81e8\u5e8a\u6e2c\u8a66\uff0c\u6aa2\u6e2c\u75c5\u4eba\u547c\u51fa\u7684\u6c23\u9ad4\uff0c\u901a\u904e\u6e2c\u91cf\u78b3\u540c\u4f4d\u7d20(Carbon isotope)\u7684\u542b\u91cf\uff0c\u53ef\u53cd\u6620\u80c3\u90e8\u662f\u5426\u5e36\u6709\u5e7d\u9580\u87ba\u65cb\u83cc\uff0c\u5f9e\u800c\u627e\u51fa\u80c3\u708e\u3001\u80c3\u6f70\u760d\u751a\u81f3\u80c3\u764c\u7684\u8b66\u865f\uff0c\u75c5\u4eba\u4ea6\u6bcb\u9808\u627f\u53d7\u5165\u4fb5\u6027\u6aa2\u6e2c\u5982\u7167\u80c3\u93e1\u4e4b\u82e6\u3002\u4f5c\u70ba\u5075\u6e2c\u75be\u75c5\u7279\u5fb5\u7684\u751f\u7269\u6a19\u8a18(Biomarker)\uff0c\u5176\u4ed6\u547c\u6c23\u6307\u6a19\u9084\u5305\u62ec\u4e19\u916e(Acetone)\uff0c\u53ef\u53cd\u6620\u7cd6\u5c3f\u75c5\u6216\u6162\u6027\u5fc3\u529b\u8870\u7aed\uff1b\u6c2b\u5247\u53cd\u6620\u4e73\u7cd6\u4e0d\u8010\u75c7\uff1b\u6c28\uff08\u6216\u7a31\u963f\u6469\u5c3c\u4e9e\uff09\u8207\u809d\u6216\u814e\u81df\u529f\u80fd\u72c0\u6cc1\u76f8\u95dc\uff1b\u800c\u4e00\u6c27\u5316\u6c2e\u904e\u9ad8\uff0c\u5247\u53ef\u80fd\u53cd\u6620\u54ee\u5598\u53ca\u6162\u6027\u5fc3\u529b\u8870\u7aed\u75c7\uff1b\u81f3\u65bc\u672c\u5730\u764c\u75c7\u982d\u865f\u6bba\u624b\u80ba\u764c\uff0c\u53ef\u53cd\u6620\u5728\u547c\u6c23\u4e2d\u7684\u63ee\u767c\u6027\u6709\u6a5f\u5316\u5408\u7269(Volatile organic compounds, VOCs)\u542b\u91cf\u4e2d\u3002\u4ee5\u4e0a\u591a\u5143\u5316\u7684\u547c\u6c23\u6e2c\u8a66\uff0c\u6709\u6548\u5354\u52a9\u91ab\u751f\u53ca\u65e9\u767c\u73fe\u75c7\u72c0\uff0c\u5927\u5927\u63d0\u9ad8\u6cbb\u7652\u7684\u6a5f\u6703\u3002 <\/p>

\u9ad8\u9748\u6d3b\u6027\u3001\u9ad8\u9748\u654f\u5ea6\u3001\u53cd\u61c9\u5feb\u901f\u3001\u4fbf\u65bc\u651c\u5e36\u7684\u6c23\u9ad4\u6aa2\u6e2c\u88dd\u7f6e\uff0c\u5c0d\u65bc\u9999\u6e2f\u4ee5\u53ca\u4efb\u4f55\u5927\u90fd\u5e02\u90fd\u5177\u6709\u5283\u6642\u4ee3\u7684\u50f9\u503c\u3002\u4efb\u6559\u6388\u6307\u51fa\uff0c\u653f\u5e9c\u548c\u74b0\u4fdd\u6a5f\u69cb\u53ef\u6839\u64da\u7cbe\u6e96\u5feb\u901f\u7684\u7a7a\u6c23\u6c61\u67d3\u7269\u542b\u91cf\u6578\u64da\uff0c\u53ca\u5176\u5206\u4f48\u60c5\u6cc1\uff0c\u5236\u5b9a\u76f8\u61c9\u7684\u74b0\u4fdd\u653f\u7b56\uff0c\u4ee5\u6539\u5584\u7a7a\u6c23\u8cea\u7d20\uff0c\u4fdd\u969c\u5e02\u6c11\u5065\u5eb7\uff0c\u6e1b\u8f15\u91ab\u7642\u958b\u652f\uff0c\u6709\u5229\u65bc\u667a\u6167\u57ce\u5e02\u767c\u5c55\uff1b\u800c\u4e2d\u570b\u74b0\u4fdd\u7522\u696d\u7684\u5168\u793e\u6703\u6295\u8cc7\uff0c\u6709\u671b\u905417\u842c\u5104\u5143\u4eba\u6c11\u5e63\u3002\u56e0\u6b64\uff0c\u7a7a\u6c23\u8cea\u7d20\u63a2\u6e2c\u88dd\u7f6e\u4e4b\u5275\u65b0\u7814\u767c\uff0c\u5728\u516c\u5171\u5065\u5eb7\u3001\u7d93\u6fdf\u53ca\u7522\u696d\u767c\u5c55\u4e09\u65b9\u9762\uff0c\u5747\u5177\u6709\u6df1\u9060\u7684\u610f\u7fa9\u3002<\/p>

\u65b0\u820a\u7cfb\u7d71\u6bd4\u8f03<\/strong><\/strong><\/p>

 <\/strong><\/p><\/td>

\u4fbf\u651c\u5f0f\u6c23\u9ad4\u63a2\u6e2c\u88dd\u7f6e<\/strong><\/strong><\/p><\/td>

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\u9ad4\u7a4d<\/strong><\/strong><\/p><\/td>

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

\u9f90\u5927<\/p><\/td><\/tr>

\u4fbf\u651c\u6027<\/strong><\/strong><\/p><\/td>

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\u7b28\u91cd\uff0c\u5b9c\u7531\u5c08\u696d\u5718\u968a\u64cd\u4f5c<\/p><\/td><\/tr>

\u5373\u6642\u6027<\/strong><\/strong><\/p><\/td>

\u5be6\u6642\u8b80\u6578<\/p><\/td>

\u5ef6\u5f8c\u8b80\u6578<\/p><\/td><\/tr>

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

\u4f4e\uff0c\u4e00\u822c\u4eba\u53ef\u5373\u6642\u638c\u63e1<\/p><\/td>

\u9808\u7531\u5c08\u696d\u4eba\u58eb\u64cd\u4f5c<\/p><\/td><\/tr>

\u61c9\u7528\u7bc4\u570d<\/strong><\/strong><\/p><\/td>

\u5ee3\uff0c\u9054\u504f\u9060\u6216\u4e0d\u5b9c\u4eba\u9032\u5165\u7684\u5730\u5340<\/p><\/td>

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

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

\u4f4e\u5ec9\uff0c\u50c5\u70ba\u73fe\u6642\u76841-2%<\/p><\/td>

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