{"created":"2023-05-15T14:41:38.875429+00:00","id":57104,"links":{},"metadata":{"_buckets":{"deposit":"7ce6c454-a597-4aaa-b90f-0c69d32f62fa"},"_deposit":{"created_by":1,"id":"57104","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"57104"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00057104","sets":["11"]},"author_link":["578451","578450"],"item_10004_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2006-06","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"70","bibliographicPageStart":"60","bibliographic_titles":[{"bibliographic_title":"日経サイエンス"}]}]},"item_10004_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"人類が火星やもっとはるか彼方への宇宙旅行に行く場合宇宙線が生命の危機にかかわる障害をもたらす宇宙線を回避するアイデアはいろいろあるものの、決定打がないのが現状だ。\n宇宙旅行者にとって最大の脅威はSFの世界では猛スピードで接近する小惑星や、飢えた異性人、帝国の宇宙戦艦といった類のものだ。しかし現実に人類が宇宙旅行に出かける場合、最大の脅威は宇宙線と呼ばれる高速粒子だ。これは目に見えないほど小さい。長期の宇宙旅行で旅行者が浴びる宇宙線の量は、ガンを引き起こすほど深刻な放射線量に匹敵する。宇宙旅行をするために立ちはだかる課題の多くは今後、十分な時間と資金さえあれば技術者が解決していくだろう。だが宇宙線がもたらすリスクは解決のメドがたっておらず、根本的な二律背反を伴っている。宇宙線は火星旅行の道を閉ざすものとなりかねない。","subitem_description_type":"Abstract"}]},"item_10004_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0917-009X","subitem_source_identifier_type":"ISSN"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"岡安, 隆一"}],"nameIdentifiers":[{"nameIdentifier":"578450","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"岡安 隆一","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"578451","nameIdentifierScheme":"WEKO"}]}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"星間旅行者を宇宙船から守る","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"星間旅行者を宇宙船から守る"}]},"item_type_id":"10004","owner":"1","path":["11"],"pubdate":{"attribute_name":"公開日","attribute_value":"2006-09-12"},"publish_date":"2006-09-12","publish_status":"0","recid":"57104","relation_version_is_last":true,"title":["星間旅行者を宇宙船から守る"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T22:30:49.506457+00:00"}