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Engineering sciences reports, Kyushu University最新文献

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O-Benzoylation of 1- and 2-Naphthols with Benzoyl Chloride under Phase Transfer Catalyst 相转移催化下1-萘酚和2-萘酚与苯甲酰氯的邻苯甲酰化反应
Engineering sciences reports, Kyushu University Pub Date : 1992-03-01 DOI: 10.15017/17248
A. Tsuge, I. Hashimoto, T. Matsuda, Y. Nagano, M. Tashiro
{"title":"O-Benzoylation of 1- and 2-Naphthols with Benzoyl Chloride under Phase Transfer Catalyst","authors":"A. Tsuge, I. Hashimoto, T. Matsuda, Y. Nagano, M. Tashiro","doi":"10.15017/17248","DOIUrl":"https://doi.org/10.15017/17248","url":null,"abstract":"","PeriodicalId":11722,"journal":{"name":"Engineering sciences reports, Kyushu University","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1992-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81576549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Near-Wall Double-Diffusive Convection 近壁双扩散对流
Engineering sciences reports, Kyushu University Pub Date : 1992-03-01 DOI: 10.15017/17254
H. Honji, 本地 弘之
{"title":"Near-Wall Double-Diffusive Convection","authors":"H. Honji, 本地 弘之","doi":"10.15017/17254","DOIUrl":"https://doi.org/10.15017/17254","url":null,"abstract":"Double-diffusive convective flows have been studied extensively in the context of physical oceanography.i-7' The most intensively investigated one of these is the thermohaline convection. The thermohaline convection may play an important role in the,mJ'xing of upper and lower layers of sea water. It has also been suggested that double-diffusive convection has some relevance to geophysical and metallurgical processes.8' No extensive studies on these processes, however, seem to have been initiated yet. Apart from these applications, a phenomenon of double-diffusive convection Per se is of fluid-mechanical interest. In recent years, the so called dissipative structures in diverse flow systems including double-diffusive convection have attracted many investigators.9-iL\" Benard convection which occurs when a layer of fluid is heated from below gives rise to one of the typical dissipative structures (Benard cells). It was the study of this type of flow that led to evolution of the concept of chaos.i3-t6' The double-diffusive convective flows give rise to the dis.sipative structures more complicated than those due to a single diffusivecomponent convectlon. The purpose of this paper is to report some laboratory results relevant to the doublediffusive (mainly thermohaline) convection occurring near vertical plane walls of a water tank. Many photographs of the convective flow patterns in the tank will be presented.","PeriodicalId":11722,"journal":{"name":"Engineering sciences reports, Kyushu University","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1992-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73990173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
陽電子消滅、X線回折、レーザラマン分光によるグラファイトの結晶性評価 通过正电子湮灭、X射线衍射、激光拉曼光谱评估石墨的结晶性
Engineering sciences reports, Kyushu University Pub Date : 1991-06-01 DOI: 10.15017/17218
蔵元 英一, Eiichi Kuramoro, N. Tsukuda, 竹中 稔, M. Takenaka, 雅幸 長谷川, M. Hasegawa, 田辺 哲朗, Tetsuro Tanabe, エイイチ クラモト, ノボル ツクダ, ミノル タケナカ, マサユキ ハセガワ, テツロウ タナベ
{"title":"陽電子消滅、X線回折、レーザラマン分光によるグラファイトの結晶性評価","authors":"蔵元 英一, Eiichi Kuramoro, N. Tsukuda, 竹中 稔, M. Takenaka, 雅幸 長谷川, M. Hasegawa, 田辺 哲朗, Tetsuro Tanabe, エイイチ クラモト, ノボル ツクダ, ミノル タケナカ, マサユキ ハセガワ, テツロウ タナベ","doi":"10.15017/17218","DOIUrl":"https://doi.org/10.15017/17218","url":null,"abstract":"","PeriodicalId":11722,"journal":{"name":"Engineering sciences reports, Kyushu University","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1991-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85632167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sb-Mo-O系単一相複合酸化物触媒での各種アルコールの酸化的エステル化反応 Sb-Mo-O类单相复合氧化物催化下各种醇的氧化酯化反应
Engineering sciences reports, Kyushu University Pub Date : 1991-06-01 DOI: 10.15017/17215
王 連馳, 津田 雅之, 江口 浩一, 荒井 弘通, 清山 哲郎
{"title":"Sb-Mo-O系単一相複合酸化物触媒での各種アルコールの酸化的エステル化反応","authors":"王 連馳, 津田 雅之, 江口 浩一, 荒井 弘通, 清山 哲郎","doi":"10.15017/17215","DOIUrl":"https://doi.org/10.15017/17215","url":null,"abstract":"Oxidative esterification of lower alcohols was tested over the single-phase catalysts of the Sb-Mo-O system, which was known as Sb4Mo10O31 (X phase), Sb2Mo10O31 (Y phase) and Sb2MoO6 (Z phase). In the case of ethanol, X phase and Y phase gave stable activity compared to the Sb2O4-MoO3 mixed oxide catalyst, where Y phase gave higher yield of ethyl acetate but X phase gave acetaldehyde mainly. In comparison with oxidative esterification of a series of alcohols of C1-C4, it is concluded that the Sb-Mo-O catalyst is effective only in ethanol oxidation. The reduction experiment of the catalyst suggested that lattice oxygen was used in the stage of ethanol oxidation to acetaldehyde rather than the adsorbed oxygen.","PeriodicalId":11722,"journal":{"name":"Engineering sciences reports, Kyushu University","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1991-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75702655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analytical Study on Post-Shock Expansion in Transonic Flow 跨声速流动中激波后膨胀的分析研究
Engineering sciences reports, Kyushu University Pub Date : 1990-12-01 DOI: 10.15017/17205
H. Kim, S. Kawagoe, Kazuyasu Matuo, 金 羲東, 川越 茂敏, 松尾 一泰
{"title":"Analytical Study on Post-Shock Expansion in Transonic Flow","authors":"H. Kim, S. Kawagoe, Kazuyasu Matuo, 金 羲東, 川越 茂敏, 松尾 一泰","doi":"10.15017/17205","DOIUrl":"https://doi.org/10.15017/17205","url":null,"abstract":"A simple analytical method for the interaction between weak normal shock waves and turbulent boundary layers on flat surfaces is presented. The flow is assumed to be adiabatic, two-dimensional and to follow the power-law form. An empirical relation for a normal shock wave in transonic flow is taken into account, and momentum and energy integral equations for the turbulent boundary layer are applied. This study is aimed to analyze the post-shock expansion caused by the shock/boundary layer interaction. The results show that the post-shock expansion is largely positioned outside the edge of boundary layer and the extent of it scales with the flow Mach number, and also show the qualitative agreement with experimental results.","PeriodicalId":11722,"journal":{"name":"Engineering sciences reports, Kyushu University","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1990-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81415135","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Suppression of Ion-Ion Instabilities by an External Field 外场对离子-离子不稳定性的抑制
Engineering sciences reports, Kyushu University Pub Date : 1990-09-01 DOI: 10.1143/JPSJ.59.3793
齋藤 和史, Yoshifumi Saito, 上田 和宏, K. Ueda, 田中 雅慶, Masayoshi Y. Tanaka, 小森 彰夫, A. Komori, 河合 良信, Kawai Yoshinobu
{"title":"Suppression of Ion-Ion Instabilities by an External Field","authors":"齋藤 和史, Yoshifumi Saito, 上田 和宏, K. Ueda, 田中 雅慶, Masayoshi Y. Tanaka, 小森 彰夫, A. Komori, 河合 良信, Kawai Yoshinobu","doi":"10.1143/JPSJ.59.3793","DOIUrl":"https://doi.org/10.1143/JPSJ.59.3793","url":null,"abstract":"","PeriodicalId":11722,"journal":{"name":"Engineering sciences reports, Kyushu University","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1990-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83657860","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Absorption and Fluorescence Spectra of 4, 7-Di (alkoxy-substituted) pheny1-1, 2, 5-thiadiazolo (3, 4-c) pyridine 4,7 -二(烷氧基取代)苯基- 1,2,5 -噻二唑(3,4 -c)吡啶的吸收和荧光光谱
Engineering sciences reports, Kyushu University Pub Date : 1990-09-01 DOI: 10.15017/17192
S. Mataka*, 又賀 駿太郎, W. Lin, 李 偉華, M. Tashiro, 田代 昌士, Kazufumi Takahashi, 高橋 和文, T. Hatta, 八田 泰三, A. Torii, 鳥井 昭美, シュンタロウ マタカ, リ イカ, マサシ タシロ, カズフミ タカハシ, タイゾウ ハッタ, アケミ トリイ
{"title":"Absorption and Fluorescence Spectra of 4, 7-Di (alkoxy-substituted) pheny1-1, 2, 5-thiadiazolo (3, 4-c) pyridine","authors":"S. Mataka*, 又賀 駿太郎, W. Lin, 李 偉華, M. Tashiro, 田代 昌士, Kazufumi Takahashi, 高橋 和文, T. Hatta, 八田 泰三, A. Torii, 鳥井 昭美, シュンタロウ マタカ, リ イカ, マサシ タシロ, カズフミ タカハシ, タイゾウ ハッタ, アケミ トリイ","doi":"10.15017/17192","DOIUrl":"https://doi.org/10.15017/17192","url":null,"abstract":"A series of 4, 7-Di (alkoxy-substituted) phenyl-1,2,5-thiadiazolo[3, 4-c]pyridines were prepared and their absorption and fluorescence spectre were obatined. These compounds showed a large stokes shift of 115-135 nm arid 6-aryl derivatives and 6-alkoxycarbonyl opes are strongly fluorescent in a solid state. and 1, 2, 5-oxadiazolo[3, 4-c]pyridine are strongly fluorescent in a solid state and, as a dyestuff, the for-mer is superior to the latter in the durablity.`) As a part of our studies on fluorescent heterocycles, we now report on the fluorescence of alkoxy-substituted 4, 6, 7-tri- and 4, 7-diaryl-1, 2, 5-thiadiazolo[3, 4-c]pyridines.","PeriodicalId":11722,"journal":{"name":"Engineering sciences reports, Kyushu University","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1990-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91486254","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Finnis-Sinclair ポテンシャルを用いたBCC結晶中のらせん転位の運動の計算機シュミレーション 使用Finnis-Sinclair电势的BCC晶体中螺旋位重排运动的计算机模拟
Engineering sciences reports, Kyushu University Pub Date : 1990-06-01 DOI: 10.15017/17176
槇井 浩一, 堤 哲男, 青野 泰久, 蔵本 英一
{"title":"Finnis-Sinclair ポテンシャルを用いたBCC結晶中のらせん転位の運動の計算機シュミレーション","authors":"槇井 浩一, 堤 哲男, 青野 泰久, 蔵本 英一","doi":"10.15017/17176","DOIUrl":"https://doi.org/10.15017/17176","url":null,"abstract":"Motion of a screw dislocation in a bcc lattice has been investigated by computer simulation technique using Finnis-Sinclair potential (Ta). Motion under pure phear stress was compared with that under both shear and normal stress, i. e., conventional tensile condition. It was made clear that existence of normal stress reduced critical shear stress, i. e., Peierls stress for a screw dislocation. The total energy change was calculated during the screw dislocation motion overcoming Peierls potential, and sh6wed double peaks of the total energy exist within one atomic distance motion. This showed that Peierls potential has a camel－hump shape (double peak shape), which is desirable to explain the characteristic temperature dependence of the yield stress observed in bcc metals.","PeriodicalId":11722,"journal":{"name":"Engineering sciences reports, Kyushu University","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1990-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83795430","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the Normal Orthant Probability with a Tri-Diagonal Correlation Matrix 关于三对角相关矩阵的正正交概率
Engineering sciences reports, Kyushu University Pub Date : 1990-06-01 DOI: 10.15017/17181
Hong-Jie Sun, Chooichiro Asano, 孫 宏傑, 浅野 長一郎, ソン ホンジェ, チョウイチロウ アサノ
{"title":"On the Normal Orthant Probability with a Tri-Diagonal Correlation Matrix","authors":"Hong-Jie Sun, Chooichiro Asano, 孫 宏傑, 浅野 長一郎, ソン ホンジェ, チョウイチロウ アサノ","doi":"10.15017/17181","DOIUrl":"https://doi.org/10.15017/17181","url":null,"abstract":"","PeriodicalId":11722,"journal":{"name":"Engineering sciences reports, Kyushu University","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1990-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79159256","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
アルミナ及びイットリア安定化ジルコニア（ＹＳＺ）のストリップキャスト 氧化铝和伊特利亚稳定氧化锆(YSZ)的脱衣舞
Engineering sciences reports, Kyushu University Pub Date : 1990-03-01 DOI: 10.15017/17167
武部 博倫, 吉原 直樹, 森永 健次, H. Takebe, Naoki Yoshihara, K. Morinaga
{"title":"アルミナ及びイットリア安定化ジルコニア（ＹＳＺ）のストリップキャスト","authors":"武部 博倫, 吉原 直樹, 森永 健次, H. Takebe, Naoki Yoshihara, K. Morinaga","doi":"10.15017/17167","DOIUrl":"https://doi.org/10.15017/17167","url":null,"abstract":"","PeriodicalId":11722,"journal":{"name":"Engineering sciences reports, Kyushu University","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1990-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77831496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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