EVALUATION OF BENDING PERFORMANCE OF ARAMID SHORT FIBER REINFORCED CONCRETE EXPOSED IN ENVIRONMENTS OF DIFFERENT TEMPERATURE WATER AND AIR

Autor: Hiroshi Kurakata, Atsushi Hokura, Daishi Yoshimoto, Shinichi Miyazato, Shuhei Okamura

Publikováno v: Journal of Japan Society of Civil Engineers, Ser. E2 (Materials and Concrete Structures). 76:374-385

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::24d8ae30b7e95164edb659e2b4bebcbb
https://doi.org/10.2208/jscejmcs.76.4_374

THE DIFFERENCES IN THE BALL SPEED AND THE SPIN RATE DEPENDING ON THE RESULTS OF A TENNIS SERVE

Autor: Shuhei Okamura, Shunsuke Murakami, Shinya Iwanaga, Ryogo Kashiwagi, Koki Numata, Hiroo Takahashi

Publikováno v: Malaysian Journal of Movement, Health & Exercise. 10

In tennis, the service is the only shot that a player can give himself without being influenced by his opponent, and it is said to be the most powerful and essential shot in the game to win the game (Kovacs and Ellenbecker, 2011). In this study, we w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9c5cd5010851433b3a1ff7a37b07f228
https://doi.org/10.15282/mohe.v10i1.497

Nitrogen-Doped Carbon Materials Prepared by Ammoxidation as Solid Base Catalysts for Knoevenagel Condensation and Transesterification Reactions

Autor: Shuhei Okamura, Masahiko Arai, Naokatsu Kannari, Jun-ichi Ozaki, Shin-ichiro Fujita

Publikováno v: Advanced Synthesis & Catalysis. 352:1476-1484

Nitrogen-doped carbon materials were prepared by ammoxidation of commercial carbon sources (carbon black and activated carbon) and applied as base catalysts for Knoevenagel and transesterification reactions. It was shown that these carbon materials w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::67e6adaab5d293d44dc4544289dac3d8
https://doi.org/10.1002/adsc.201000029

Hydroformylation of Cyclohexene with Carbon Dioxide and Hydrogen Using Ruthenium Carbonyl Catalyst: Influence of Pressures of Gaseous Components

Autor: Shuhei Okamura, Shin-ichiro Fujita, Yoshinari Akiyama, Masahiko Arai

Publikováno v: International Journal of Molecular Sciences
International Journal of Molecular Sciences; Volume 8; Issue 8; Pages: 749-759
International Journal of Molecular Sciences, Vol 8, Iss 8, Pp 749-759 (2007)

Hydroformylation of cyclohexene was studied with a catalyst system of Ru3(CO)12 and LiCl using H2 and CO2 instead of CO in NMP. The influence of H2 and CO2 pressures on the total conversion and the product distribution was examined. It was shown that

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2835e3be2f6b9fc62ab3ce18eb134bc8
http://europepmc.org/articles/PMC3715799