J-STAGE Japan Science and Technology Aggregator,Electronic tag:jstage.jst.go.jp:/WhatsNew/en Japan Science and Tecnology Agency [JST] 2026-03-08T02:39:24+0900 The new issue is now available.<![CDATA[Journal of the Japan Petroleum Institute]]> Vol.69 No.2 tag:jstage.jst.go.jp:/WhatsNew/en/NewIssue/jpi_69_2 2026-03-08T02:39:24+0900 2026-03-01T00:00:00Z