{"_buckets": {"deposit": "b34af143-1aa0-427d-a475-d999b3463685"}, "_deposit": {"id": "6854", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "6854"}, "status": "published"}, "_oai": {"id": "oai:nagoya.repo.nii.ac.jp:00006854"}, "item_9_alternative_title_19": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u8a00\u8a9e\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "\u30b1\u30e4\u30ad(Zelkova serrata Makino)\u3000\u3042\u3066\u6750\u30bc\u30e9\u30c1\u30f3\u5c64\u306e\u7269\u6027\u30fb\u6a5f\u80fd\u306b\u95a2\u3059\u308b\u7814\u7a76"}]}, "item_9_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2003-12", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "18", "bibliographicPageStart": "13", "bibliographicVolumeNumber": "22", "bibliographic_titles": [{"bibliographic_title": "\u540d\u53e4\u5c4b\u5927\u5b66\u68ee\u6797\u79d1\u5b66\u7814\u7a76"}]}]}, "item_9_description_4": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "The role of the gelatinous layer on the physical properties peculiar to the tension wood such as a high longitudinal tensile growth stress, a large Young\u2019s modulus, and a high shrinkage was investigated. Released strains on the surface of xylem of a 65-years-old Keyaki (Zelkova serrata Makino) were measured. Then, longitudinal Young\u2019s modulus and longitudinal shrinkage of the wood specimen, which sampled away from nearby each measuring point of the released strain, form nearby each measuring point of the released strain, were determined. And, the ratio of gelatinous layers in the wood fiber domain were counted under the observation using fiber domain were counted under the observation using an optical microscope. Then, physical properties of the gelatinous layer were estimated by using the law of mixture. As the result, it was revealed that (1) the longitudinal Young\u2019s modulus of the gelatinous layer is 1.46 times larger or more, (2) the released strain is 23.6 times larger, (3) the longitudinal shrinkage is 30.8 times higher than that of the lignified layer. It is concluded that the origin of the physical properties peculiar to the tension wood is attributable to the physical properties of the gelatinous layer. \u5f15\u5272\u3042\u3066\u6750\u306b\u307f\u3089\u308c\u308b\u5927\u304d\u306a\u5f15\u5272\u306e\u6210\u9577\u5fdc\u529b\u3001\u8ef8\u65b9\u5411\u30e4\u30f3\u30b0\u7387\u3001\u8ef8\u65b9\u5411\u53ce\u7e2e\u7387\u306b\u3064\u3044\u3066\u305d\u308c\u3089\u306e\u767a\u751f\u306b\u53ca\u307c\u3059\u30bc\u30e9\u30c1\u30f3\u5c64\u306e\u5bc4\u4e0e\u3092\u691c\u8a0e\u3057\u305f\u300265\u5e74\u751f\u306e\u30b1\u30e4\u30ad(Zelkova serata 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