{"id":2344,"date":"2023-07-13T00:12:55","date_gmt":"2023-07-12T16:12:55","guid":{"rendered":"http:\/\/fpisc.ustc.edu.cn\/?post_type=docs&#038;p=2344"},"modified":"2023-07-14T10:10:21","modified_gmt":"2023-07-14T02:10:21","slug":"academic-report-video-on-july-10","status":"publish","type":"docs","link":"http:\/\/fpisc.ustc.edu.cn\/?docs=academic-report-video-on-july-10","title":{"rendered":"Academic Report Video on July 10"},"content":{"rendered":"\n<div class=\"wp-block-essential-blocks-testimonial\"><div class=\"eb-parent-wrapper eb-parent-eb-testimonial-nehzvel \"><div class=\"eb-testimonial-wrapper eb-testimonial-nehzvel\" data-id=\"eb-testimonial-nehzvel\"><div class=\"eb-testimonial-container\"><div class=\"eb-avatar-container avatar-inline \"><div class=\"image-container\"><div class=\"eb-avatar-style\"><\/div><\/div><div class=\"eb-userinfo-container\"><p class=\"eb-testimonial-username\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-secondary-color\">Prof. LU Zheng-tian<\/mark><\/p><p class=\"eb-testimonial-company\">School of the Gifted Young, USTC<\/p><\/div><\/div><div class=\"eb-description-container\"><div class=\"eb-testimonial-quote-style\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"123.961\" height=\"123.961\" x=\"0\" y=\"0\" enable-background=\"new 0 0 123.961 123.961\" version=\"1.1\" viewBox=\"0 0 123.961 123.961\" xml:space=\"preserve\"><path d=\"M49.8 29.032c3.1-1.3 4.4-5 3-8l-4.9-10.3c-1.4-2.899-4.8-4.2-7.8-2.899-8.5 3.6-15.8 8.3-21.6 14C11.4 28.532 6.6 36.232 4 44.732c-2.6 8.601-4 20.3-4 35.2v30.7c0 3.3 2.7 6 6 6h39.3c3.3 0 6-2.7 6-6v-39.3c0-3.301-2.7-6-6-6H26.5c.2-10.101 2.6-18.2 7-24.301 3.6-4.898 9-8.898 16.3-11.999zM120.4 29.032c3.1-1.3 4.399-5 3-8l-4.9-10.199c-1.4-2.9-4.8-4.2-7.8-2.9-8.4 3.6-15.601 8.3-21.5 13.9-7.101 6.8-12 14.5-14.601 23-2.6 8.399-3.899 20.1-3.899 35.1v30.7c0 3.3 2.7 6 6 6H116c3.3 0 6-2.7 6-6v-39.3c0-3.301-2.7-6-6-6H97.1c.2-10.101 2.601-18.2 7-24.301 3.6-4.899 9-8.899 16.3-12z\"><\/path><\/svg><\/div><p class=\"eb-testimonial-description\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-primary-color\">Title: <\/mark><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-secondary-color\">Identifying Old Ice and Water with Single-Atom Counting<\/mark><\/strong><\/p><\/div><\/div><\/div><\/div><\/div>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1080\" style=\"aspect-ratio: 1920 \/ 1080;\" width=\"1920\" controls src=\"http:\/\/fpisc.ustc.edu.cn\/wp-content\/uploads\/2023\/07\/LU-Zheng-tian.mp4\"><\/video><\/figure>\n\n\n<p><strong>Abstract:<\/strong>The long-lived noble-gas isotope&nbsp;<sup>81<\/sup>Kr is the ideal tracer for old water and ice with ages of 0.1 \u2013 1 million years, a range beyond the reach of&nbsp;<sup>14<\/sup>C. &nbsp;<sup>81<\/sup>Kr-dating, a concept pursued over the past five decades, is now available to the earth science community at large. &nbsp;This is made possible by the development of the Atom Trap Trace Analysis (ATTA) method, in which individual atoms of the desired isotope are captured and detected. &nbsp;ATTA possesses superior selectivity, and is thus far used to analyze the environmental radioactive isotopes&nbsp;<sup>81<\/sup>Kr,&nbsp;<sup>85<\/sup>Kr, and&nbsp;<sup>39<\/sup>Ar. &nbsp;These three isotopes have extremely low isotopic abundances in the range of 10<sup>-17<\/sup>&nbsp;to 10<sup>-11<\/sup>, and cover a wide range of ages and applications. &nbsp;In collaboration with earth scientists, we are dating groundwater and mapping its flow in major aquifers around the world.&nbsp; We are also dating old ice from the deep ice cores of Antarctica, Greenland, and the Tibetan Plateau. &nbsp;For an update on this worldwide effort, please google \u201cATTA Primer\u201d.<\/p>\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"http:\/\/fpisc.ustc.edu.cn\/wp-content\/uploads\/2023\/07\/ATTA-23-FuSEP.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Embed of &lt;a rel=.\"&quot;noreferrer noopener\" href=\"\/\/fanyi.so.com\/#presentation&quot;\" target=\"&quot;_blank&quot;&gt;Presentation\uff1a<\/a&gt;<strong&gt;<mark\" style=\"&quot;background-color:rgba(0,\" class=\"&quot;has-inline-color\" Old Ice and Water with Single-Atom LU><\/object><a id=\"wp-block-file--media-a79efa38-5512-4344-a137-6dc6c62f9e84\" href=\"http:\/\/fpisc.ustc.edu.cn\/wp-content\/uploads\/2023\/07\/ATTA-23-FuSEP.pdf\"><a rel=\"noreferrer noopener\" href=\"https:\/\/fanyi.so.com\/#presentation\" target=\"_blank\">Presentation\uff1a<\/a><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-secondary-color\">Identifying Old Ice and Water with Single-Atom Counting<\/mark><\/strong>-Prof. LU ZHeng-tian.pdf<\/a><a href=\"http:\/\/fpisc.ustc.edu.cn\/wp-content\/uploads\/2023\/07\/ATTA-23-FuSEP.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-a79efa38-5512-4344-a137-6dc6c62f9e84\">Download<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Abstract:The long-lived noble-gas isotope&nbsp;81Kr is the ideal tracer for old water and ice with ages of 0.1 \u2013 1 million years, a range beyond the reach of&nbsp;14C. &nbsp;81Kr-dating, a concept pursued over the past five decades, is now available to the earth science community at large. &nbsp;This is made possible by the development of the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_eb_attr":"","ngg_post_thumbnail":0,"footnotes":""},"doc_category":[26],"doc_tag":[],"class_list":["post-2344","docs","type-docs","status-publish","hentry","doc_category-academic-report-videos-of-fpisc-2023"],"_links":{"self":[{"href":"http:\/\/fpisc.ustc.edu.cn\/index.php?rest_route=\/wp\/v2\/docs\/2344","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/fpisc.ustc.edu.cn\/index.php?rest_route=\/wp\/v2\/docs"}],"about":[{"href":"http:\/\/fpisc.ustc.edu.cn\/index.php?rest_route=\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"http:\/\/fpisc.ustc.edu.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/fpisc.ustc.edu.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2344"}],"version-history":[{"count":8,"href":"http:\/\/fpisc.ustc.edu.cn\/index.php?rest_route=\/wp\/v2\/docs\/2344\/revisions"}],"predecessor-version":[{"id":2384,"href":"http:\/\/fpisc.ustc.edu.cn\/index.php?rest_route=\/wp\/v2\/docs\/2344\/revisions\/2384"}],"wp:attachment":[{"href":"http:\/\/fpisc.ustc.edu.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2344"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"http:\/\/fpisc.ustc.edu.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_category&post=2344"},{"taxonomy":"doc_tag","embeddable":true,"href":"http:\/\/fpisc.ustc.edu.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_tag&post=2344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}