{"_buckets": {"deposit": "d37a8bf5-56ad-4ce1-953c-23149968bbe7"}, "_deposit": {"id": "19892", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "19892"}, "status": "published"}, "_oai": {"id": "oai:nagoya.repo.nii.ac.jp:00019892"}, "item_9_alternative_title_19": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u8a00\u8a9e\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "Status and Applications of a Tandetron AMS System at Nagoya University in 2014"}]}, "item_9_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2015-03", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "22", "bibliographicPageStart": "17", "bibliographicVolumeNumber": "26", "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": "An AMS system (Model 4130-AMS) dedicated to 14C measurements, built by High Voltage Engineering Europe (HVEE), B.V., The Netherlands, was delivered to Nagoya University in 1996/97. Acceptance tests of its performance on carbon isotope measurements were completed in January of 1999, and routine measurements began in mid-2000. Since completion of the acceptance tests in early 1999, we have encountered a lot of troubles with the machine, particularly in 2002. Since the end of 2002, the machine has worked relatively well, expect for minor problems. The standard deviation (one sigma) of the 14C/12C ratio is around \u00b10.3% to \u571f0.4% (a bit larger than the uncertainty of about \u00b10.3% calculated from 14C counting statistics) and that of the corresponding 13C/12C ratio is \u00b10.03% to \u00b10.07%\uff0cas are tested for HOxII targets. The number of targets measured was 330, 1430, 2077, 1003, 1,979, 1679, 1772, 1115, 1339, 866, 1300, 1701, 1449, 1634, 1351, 1741 in each year from 1999 to 2014, respectively, and total number of targets measured by the end of 2014 is 22,765. We briefly describe the maintenance processes and application results of the AMS system in 2014. The Tandetron AMS system at Nagoya University worked rather well in 2014, with only minor failures, such as (1) target exchange trouble, (2) high temperature problem of the circulating water for cooling down the power supply system for two high-energy mass-analyzing magnets, and (3) damage of a diaphragm vacuum pumping system in the ion source stage. In spite of these minor difficulties with the machine, the total number of graphite targets measured was 1741 in 2014, about 400 more in number than that in 2013 (1351).", "subitem_description_type": "Abstract"}]}, "item_9_description_5": {"attribute_name": "\u5185\u5bb9\u8a18\u8ff0", "attribute_value_mlt": [{"subitem_description": "\u540d\u53e4\u5c4b\u5927\u5b66\u5e74\u4ee3\u6e2c\u5b9a\u7dcf\u5408\u7814\u7a76\u30bb\u30f3\u30bf\u30fc\u30b7\u30f3\u30dd\u30b8\u30a6\u30e0\u5831\u544a", "subitem_description_type": "Other"}]}, "item_9_identifier_registration": {"attribute_name": "ID\u767b\u9332", "attribute_value_mlt": [{"subitem_identifier_reg_text": "10.18999/sumrua.26.17", "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"}]}, "item_9_select_15": {"attribute_name": 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