{"created":"2021-03-01T06:43:10.356489+00:00","id":25230,"links":{},"metadata":{"_buckets":{"deposit":"d6871f59-3ae5-41c4-997b-19e53600a574"},"_deposit":{"id":"25230","owners":[],"pid":{"revision_id":0,"type":"depid","value":"25230"},"status":"published"},"_oai":{"id":"oai:repository.dl.itc.u-tokyo.ac.jp:00025230","sets":["27:2466:2467:2481","9:504:2469:2482"]},"item_4_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"ゴムプランテーションにおける更新時の短材収穫およびピックアップトラック運材システム"}]},"item_4_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2014-02-25","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"58","bibliographicPageStart":"45","bibliographicVolumeNumber":"130","bibliographic_titles":[{"bibliographic_title":"東京大学農学部演習林報告"}]}]},"item_4_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"タイにおけるゴムプランテーションの更新作業において短材システムが最も一般的である。製材所までの収穫システムは，チェーンソー伐倒，チェーンソー造材，ピックアップトラック運材からなり，各作業の時間予測モデルを構築した。伐倒時間に対しては，伐根直径が有意な要因であった。伐倒の生産性モデルは，伐根直径によって予測することができる。造材時間は玉数，玉材材積によることが見出され，玉切りの生産性モデルは玉切り材積の関数として導かれた。製材工場までの運材距離がおもに運材時間に影響を与えていた。材の重量と運材時間予測が運材の生産性の予測に有用である。プランテーションから製材工場までのゴム材収穫のコストは16.6ドル/m3 となった。運材が最も費用がかかっていることが確認された。本研究の結果はゴムプランテーションにおける更新時の収穫計画や作業能率改善に有用である。","subitem_description_type":"Abstract"}]},"item_4_description_6":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"Original Article","subitem_description_type":"Other"}]},"item_4_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"53397","nameIdentifierScheme":"WEKO"}],"names":[{"name":"ラッダワーン, リアントラクーン"}]},{"nameIdentifiers":[{"nameIdentifier":"53398","nameIdentifierScheme":"WEKO"}],"names":[{"name":"酒井, 秀夫"}]}]},"item_4_publisher_20":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"東京大学大学院農学生命科学研究科附属演習林"}]},"item_4_source_id_10":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00162451","subitem_source_identifier_type":"NCID"}]},"item_4_source_id_8":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"03716007","subitem_source_identifier_type":"ISSN"}]},"item_4_text_21":{"attribute_name":"出版者別名","attribute_value_mlt":[{"subitem_text_value":"The University of Tokyo Forests"}]},"item_4_text_4":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"Department of Forest Science, Graduate School of Agricultural and Life Sciences, The University of Tokyo"},{"subitem_text_value":"東京大学大学院農学生命科学研究科森林科学専攻"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Rianthakool, Laddawan"}],"nameIdentifiers":[{"nameIdentifier":"53395","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Sakai, Hideo"}],"nameIdentifiers":[{"nameIdentifier":"53396","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2017-06-09"}],"displaytype":"detail","filename":"esrh130004.pdf","filesize":[{"value":"219.7 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"esrh130004.pdf","url":"https://repository.dl.itc.u-tokyo.ac.jp/record/25230/files/esrh130004.pdf"},"version_id":"154c9311-4f54-4ad9-9bd5-47b0c4a190c1"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"チェーンソー","subitem_subject_scheme":"Other"},{"subitem_subject":"ピックアップトラック","subitem_subject_scheme":"Other"},{"subitem_subject":"生産性","subitem_subject_scheme":"Other"},{"subitem_subject":"ゴムプランテーション","subitem_subject_scheme":"Other"},{"subitem_subject":"輸送","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Short wood harvesting and pickup truck transportation during regeneration of rubber plantations","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Short wood harvesting and pickup truck transportation during regeneration of rubber plantations"}]},"item_type_id":"4","owner":"1","path":["2482","2481"],"pubdate":{"attribute_name":"公開日","attribute_value":"2014-03-14"},"publish_date":"2014-03-14","publish_status":"0","recid":"25230","relation_version_is_last":true,"title":["Short wood harvesting and pickup truck transportation during regeneration of rubber plantations"],"weko_creator_id":"1","weko_shared_id":null},"updated":"2022-12-19T04:03:33.794983+00:00"}