{"_buckets": {"deposit": "4c1ff696-10c0-494a-a90e-6a37e4f0620f"}, "_deposit": {"id": "11655", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "11655"}, "status": "published"}, "_oai": {"id": "oai:nagoya.repo.nii.ac.jp:00011655"}, "item_9_alternative_title_19": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u8a00\u8a9e\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "AMS \u003c14\u003e^C ages of deer and human bones collected from British Columbia"}]}, "item_9_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2001-03", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "179", "bibliographicPageStart": "169", "bibliographicVolumeNumber": "12", "bibliographic_titles": [{"bibliographic_title": "\u540d\u53e4\u5c4b\u5927\u5b66\u52a0\u901f\u5668\u8cea\u91cf\u5206\u6790\u8a08\u696d\u7e3e\u5831\u544a\u66f8"}]}]}, "item_9_description_4": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "We measured ^\u003c14\u003eC ages, carbon and nitrogen stable isotopic ratios of gelatin-collagens extracted from deer and human bones at British Columbia, Canada. The deer bone samples, samples #1\u301c#3,come from a site in the interior of British Columbia, designated as DhRa-02 site. The human bone samples, samples #4\u301c#6,are from the Pender Canal site, on North Pender Island, British Columbia. In general, reliable ^\u003c14\u003eC ages, carbon and nitrogen stable isotopic ratios can be obtained for collagens extracted from fossil bones, provided that the collagens have been preserved well from weathering in nature. Experimental yields of gelatin-collagens were higher than 0.7%, except for sample #1 with 0.25%. For sample #1,we tried to extract amino acid fractions by hydrolyzation and XAD-2 treatment and to measure its ^\u003c14\u003eC age. The age is the same as that of gelatin-collagen, about 1200 yrBP. Samples #1 and #2 are situated stratigraphically above a volvcanic ash, identified as Mazama tephra ca 6800 yrBP, and have post-ash dates, 1260 and 3010 yrBP, respectively. Sample #3 shows 3820 yrBP, younger than the age of Mazama tephra, though #3 comes from a pre-ash layer. Samples #4\u301c#6 have relatively high gelatin yields of 6\u301c9%, and show the ^\u003c14\u003eC ages of 3120\u301c3550 yrBP. The CO_2 yields from the gelatin-collagens of samples #1\u301c#6 are over 41%, consistent with the value of 40\u301c50% for gelatin-collagen extracted from fresh bones. Thus, the ^\u003c14\u003eC ages, carbon and nitrogen stable isotopic ratios obtained for the gelatin-collagens seem to be reliable. The deer bone samples #1\u301c#3 demonstrate \u03b4^\u003c13\u003eC value of \u301c-21\u2030 and \u03b4^\u003c15\u003eN value of +5\u301c+8\u2030, which are the values of C3 millets. On the other hand, the human bone samples #4\u301c#6 show relatively high \u03b4^\u003c13\u003eC value of -13\u2030 and \u03b4^\u003c15\u003eN value of +18\u2030. It is thought that they ate marine products such as fishes and shellfishes, with \u03b4^\u003c13\u003eC value of -15\u301c-20\u2030 and \u03b4^\u003c15\u003eN value of +15\u301c+20\u2030, when they were alive. The high \u03b4^\u003c13\u003eC and \u03b4^\u003c15\u003eN values for the human bones are caused by the food resources.", "subitem_description_type": "Abstract"}]}, "item_9_description_5": {"attribute_name": "\u5185\u5bb9\u8a18\u8ff0", "attribute_value_mlt": [{"subitem_description": "\u30bf\u30f3\u30c7\u30c8\u30ed\u30f3\u52a0\u901f\u5668\u8cea\u91cf\u5206\u6790\u8a08\u696d\u7e3e\u5831\u544a Summaries of Researches Using AMS 2000 (\u5e73\u621012)\u5e74\u5ea6", "subitem_description_type": "Other"}]}, "item_9_identifier_registration": {"attribute_name": "ID\u767b\u9332", "attribute_value_mlt": [{"subitem_identifier_reg_text": "10.18999/sumrua.12.169", "subitem_identifier_reg_type": "JaLC"}]}, "item_9_publisher_32": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "\u540d\u53e4\u5c4b\u5927\u5b66\u5e74\u4ee3\u6e2c\u5b9a\u8cc7\u6599\u7814\u7a76\u30bb\u30f3\u30bf\u30fc \u5929\u7136\u653e\u5c04\u6027\u5143\u7d20\u6e2c\u5b9a\u5c0f\u59d4\u54e1\u4f1a"}]}, 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