{"id":11303,"date":"2019-02-14T17:29:48","date_gmt":"2019-02-14T09:29:48","guid":{"rendered":"http:\/\/www.fun-in.com.tw\/blog\/?p=11303"},"modified":"2019-02-14T17:30:00","modified_gmt":"2019-02-14T09:30:00","slug":"11303","status":"publish","type":"post","link":"https:\/\/www.fun-in.com.tw\/blog\/?p=11303","title":{"rendered":"\u5982\u4f55\u7dda\u6027\u63d2\u503c\u4e26\u5229\u7528 Max single exposure minutes \u7684\u8868\u683c\u8a08\u7b97 CNS%"},"content":{"rendered":"
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Shearwater\u5c31\u662f\u5229\u7528 NOAA Diving Manual (Fourth Edition\uff0c\u6700\u65b0\u7248\u662f SIXTH EDITION)\u7684Max single exposure minutes\u9019\u500b\u8868\u683c\u4f86\u8a08\u7b97 CNS%\uff0c\u56e0\u70ba\u8868\u683c\u662f\u96e2\u6563\u800c\u4e0d\u662f\u9023\u7e8c\u7684\uff0c\u6240\u4ee5\u6709\u4e9b\u6578\u503c\u9700\u8981\u5229\u7528\u7dda\u6027\u63d2\u503c\u6cd5\u9084\u6709\u9032\u4f4d\u53bb\u8a08\u7b97\uff0c\u6240\u4ee5\u6703\u6709\u4e00\u4e9b\u4e9b\u7684\u8aa4\u5dee\uff0c\u4f46\u8aa4\u5dee\u662f\u53ef\u4ee5\u63a5\u53d7\u7684\u3002

\u8acb\u770b\u9019\u8868\u683c\uff1a
https:\/\/www.shearwater.com\/monthly-blog-posts\/shearwater-and-the-cns-oxygen-clock\/<\/a>
\u9019\u8868\u683c\u5982\u4f55\u61c9\u7528\u5728\u5be6\u969b\u7684\u8a08\u7b97\u4e0a\u5462\uff1f
\u5047\u8a2d\u4f60\u60f3\u80cc 32%\u7684\u9ad8\u6c27+99%\u7684\u6c27\u52a0\u901f\u6e1b\u58d3\u505c\u7559\uff0c\u6f5b\u5230 33m \u5f85 65mins\uff0c6m\u5207\u63db\u523099%\u6c27\u6c23\uff0c\u6700\u5f8c\u4e00\u6b21\u505c\u7559\u8a2d\u5b9a\u57283m\uff0c\u7136\u5f8cGF factor(99\/99)\uff0c\u6f5b\u6c34\u7d50\u675f\u5f8c\uff0c\u4f60\u7684CNS%\u6703\u662f\u591a\u5c11\uff1f

\u6309\u7167 Shearwater Teric \u7684 Deco Plan \u529f\u80fd\u7684\u898f\u5283\uff0c\u7b97\u51fa\u4f86\u61c9\u8a72\u662f\uff1a
33m \u5f85 65min \u5438 EANx32
6m \u5f85 3min(asc) \u5438 EANx32
6m \u5f85 5min \u5438 EANx99
3m \u5f85 11min \u5438 EANx99

\u9996\u5148\u4f60\u5fc5\u9808\u8a08\u7b97 PPO2 \u662f\u591a\u5c11\uff0c\u5728\u5229\u7528\u5728\u8a72\u6df1\u5ea6\u5f85\u7684\u6642\u9593\u662f Max single exposure minutes \u7684\u591a\u5c11\u6bd4\u4f8b\u53bb\u7b97\u51fa CNS%
\u539f\u7406\u5c31\u662f\uff0c\u5047\u8a2d\u7576 PPO2\u662f1.4ata\u6642\uff0c\u4f60\u5728\u8a72\u6df1\u5ea6\u5f85\u6eff150mins\uff0c\u6216\u662f\u7dad\u6301PPO2 =1.4ata \u6709 150mins\uff0c\u90a3\u9ebc\u7406\u8ad6\u4e0a\u4f60\u7684 CNS% \u5c31\u6703\u98c6\u5230 100%

33m \u5f85 65min \u5438 EANx32 => PPO2 = 4.3*0.32 = 1.38
6m \u5f85 3min(asc) \u5438 EANx32 => PPO2 = 1.6*0.32 = 0.51
6m \u5f85 5min \u5438 EANx99 => PPO2 = 1.6
3m \u5f85 11min \u5438 EANx99 => PPO2 = 1.3

PPO2 = 1.6ata \u7684 Max single exposure minutes \u67e5\u8868\u5f97\u77e5\u662f 45mins
PPO2 = 1.3ata \u7684 Max single exposure minutes \u67e5\u8868\u5f97\u77e5\u662f 130mins

\u8868\u683c\u4e0a\u4e26\u6c92\u6709 1.38\u548c0.51\uff0c\u90a3\u5c31\u5f97\u7528\u7dda\u6027\u63d2\u503c\u6cd5\u53bb\u6c42
PPO2 = 1.38ata\u7684 Max single exposure minutes \u7528\u7dda\u6027\u63d2\u503c\u6cd5\u7b97\u51fa\u5f8c\u61c9\u8a72\u662f 156mins
PPO2 = 0.51ata\u7684 Max single exposure minutes \u7528\u7dda\u6027\u63d2\u503c\u6cd5\u7b97\u51fa\u5f8c\u61c9\u8a72\u662f 855mins

\u73fe\u5728\u4f86\u5206\u5225\u8a08\u7b97 CNS%
65\/156 \uff1d 41.7%
3\/855 \uff1d 0.4%
5\/45 \uff1d 11.1%
11\/130 \uff1d8.5%
\u7e3d\u548c 61.7%\uff0c\u548cShearwater Teric\u7b97\u51fa\u4f86\u7684 57%\u7a0d\u5fae\u6709\u4e00\u9ede\u9ede\u5dee\u7570\uff0c\u4f46\u6703\u6709\u8aa4\u5dee\u5c31\u5dee\u5728\u63d2\u503c\u8a08\u7b97\u548c\u9032\u4f4d\u7684\u65b9\u5f0f\uff0c\u6240\u4ee5\u591a\u5c11\u6703\u6709\u4e00\u4e9b\u5dee\u7570\u662f\u5408\u7406\u7684\uff08\u9664\u975e\u6211\u5b8c\u5168\u77e5\u9053Shearwater\u8a08\u7b97\u7684\u908f\u8f2f\uff09\uff0c\u4e0d\u904e\u80cc\u5f8c\u7684\u8a08\u7b97\u539f\u7406\u5c31\u5982\u4ee5\u4e0a\u6240\u8ff0\u3002 <\/p>\n","protected":false},"excerpt":{"rendered":"

Shearwater\u5c31\u662f\u5229\u7528 NOAA Diving Manual (Fourt … \u95b1\u8b80\u5168\u6587 →<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[319],"_links":{"self":[{"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/11303"}],"collection":[{"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11303"}],"version-history":[{"count":2,"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/11303\/revisions"}],"predecessor-version":[{"id":11305,"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/11303\/revisions\/11305"}],"wp:attachment":[{"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}