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16 results on '"Inagaki, A"'

1. Influence of groove shape on rolling contact fatigue of PEEK-PTFE hybrid radial bearings in dry conditions

Author

Inagaki Masahiro, Mizobe Koshiro, Kida Katsuyuki, and Kashima Yuji

Subjects
Engineering (General). Civil engineering (General), TA1-2040
Abstract

In this study, rolling contact fatigue (RCF) tests were performed in order to investigate the effect of groove radius on the life of PEEK-PTFE hybrid radial bearings. Furthermore, solid state NMR spectroscopy was performed in order to investigate the molecular structure of PEEK. It was found that groove radius shape was related to limitations of the bearings, and the molecular structure of the PEEK was not changed by the temperature rise in this test. Furthermore, thermal failure of the PEEK was not affected by oxidation during RCF test.

Published
2019
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3. Observation of fracture behavior of 3-D printed specimens under rolling contact fatigue in water

Author

Mizobe Koshiro, Inagaki Masahiro, and Kida Katsuyuki

Subjects
Engineering (General). Civil engineering (General), TA1-2040
Abstract

Polymer bearing was widely used in the corrosive conditions because of its high corrosion durability. The polymer bearing had been formed using molding and machining until the new 3-D printing method was developed. In this study, we performed the rolling contact fatigue tests of the 3-D printed specimens in water and observed the fracture behaviour of the specimens. We found that the surface cracks are related to both the rolling direction and the lamination directions.

Published
2017
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4. Rolling Contact Fatigue and Static Compression Deformation of UHMWPE thrust bearing in water

Author

Inagaki Masahiro, Fujimura Naoki, Mizobe Koushiro, Kida Katsuyuki, and Kashima Yuji

Subjects
Engineering (General). Civil engineering (General), TA1-2040
Abstract

In this study, the rolling contact fatigue tests were performed in order to investigate the effect of thrust load on life of UHMWPE bearings. Furthermore, the static compression tests were performed in order to investigate the effect of static load on deformation. It was found that thrust load controls limitations of the bearings, and the deformation by the static load is not the main reason of the adhesion failure.

Published
2017
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5. Comparative Gene Analysis Focused on Silica Cell Wall Formation: Identification of Diatom-Specific SET Domain Protein Methyltransferases

Author

Kiori Obuse, Kenji Inagaki, Michiko Nemoto, Sayako Iwaki, Shigeki Mayama, Yuki Monden, Takashi Tamura, and Hisao Moriya

Subjects
0106 biological sciences, 0301 basic medicine, Biomineralization, Candidate gene, Proteome, Cell, Biology, 01 natural sciences, Applied Microbiology and Biotechnology, Homology (biology), Transcriptome, Cell wall, 03 medical and health sciences, Cell Wall, 010608 biotechnology, medicine, Protein Methyltransferases, Gene, Diatoms, fungi, Diatom, Silica, biology.organism_classification, Silicon Dioxide, Cell biology, PR-SET Domains, 030104 developmental biology, medicine.anatomical_structure
Abstract

Silica cell walls of diatoms have attracted attention as a source of nanostructured functional materials and have immense potential for a variety of applications. Previous studies of silica cell wall formation have identified numerous involved proteins, but most of these proteins are species-specific and are not conserved among diatoms. However, because the basic process of diatom cell wall formation is common to all diatom species, ubiquitous proteins and molecules will reveal the mechanisms of cell wall formation. In this study, we assembled de novo transcriptomes of three diatom species, Nitzschia palea, Achnanthes kuwaitensis, and Pseudoleyanella lunata, and compared protein-coding genes of five genome-sequenced diatom species. These analyses revealed a number of diatom-specific genes that encode putative endoplasmic reticulum-targeting proteins. Significant numbers of these proteins showed homology to silicanin-1, which is a conserved diatom protein that reportedly contributes to cell wall formation. These proteins also included a previously unrecognized SET domain protein methyltransferase family that may regulate functions of cell wall formation-related proteins and long-chain polyamines. Proteomic analysis of cell wall-associated proteins in N. palea identified a protein that is also encoded by one of the diatom-specific genes. Expression analysis showed that candidate genes were upregulated in response to silicon, suggesting that these genes play roles in silica cell wall formation. These candidate genes can facilitate further investigations of silica cell wall formation in diatoms.

Published
2020

6. Un torque achéménide avec une inscription grecque au musée Miho (Japon) (information)

Author

Paul Bernard and Hajime Inagaki

Subjects
Archeology, History, media_common.quotation_subject, Art, media_common
Abstract

Bernard Paul, Inagaki Hajime. Un torque achéménide avec une inscription grecque au musée Miho (Japon) (information). In: Comptes rendus des séances de l'Académie des Inscriptions et Belles-Lettres, 144ᵉ année, N. 4, 2000. pp. 1371-1437.

Published
2000

11. MISE AU POINT DE LA LOI DE MOTOMURA ET ESSAI D'UNE ÉCOLOGIE ÉVOLUTIVE

Author

Hagime, INAGAKI, Observatoire océanologique de Banyuls (OOB), Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS), and HAL UPMC, Gestionnaire

Subjects
[SDV] Life Sciences [q-bio], [SDV]Life Sciences [q-bio], ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
1967

16. Les anomalies gravifiques du canton de Genève

Author

Poldini, Edouard, Burri, Jean-Paul, and Inagaki, Morido

Subjects
Anomalie gravimétrique, Genève (canton), Gravimétrie (géophysique), ddc:550, Suisse, Géologie
Published
1963

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