Y. Kamada

Details der Publikationsliste

Zeitraum

1995 - 2009

Anzahl

94

Co-Autoren

Electrical, structural and magnetic properties of polyaniline/pTSA-TiO2 nanocomposites (2009)

Nagaraja, M, Pattar, Jayadev, Shashank, N, Manjanna, J, Kamada, Y, Rajanna, K, ...

Polyaniline (PANI)/para-toluene sulfonic acid (pTSA) and PANI/pTSA-TiO2 composites were prepared using chemical method and characterized by infrared spectroscopy (IR), powder X-ray diffraction (XRD),...

Next Step Tokamak Physics: Confinement-oriented Global Database Analysis Otto J.W.F. Kardaun £ for the International Confinement Database Working Group (2008)

A. Kallenbach, P. Mccarthy, F. Ryter, A. Stäbler, Çåè�ëë M. Valovič, ...

Abstract. We describe and analyse an international multi-tokamak confinement database, both motivated by physics and with a view toward prediction of next-step burning-plasma experiments such as...

Studies of Current Profile Optimization and Influence of Electron Heating towards Advanced Tokamak Operation on JT-60U (2008)

S. Ide, T. Suzuki, Y. Sakamoto, H. Takenaga, T. Fujita, N. Oyama, ...

Abstract. Experimental results of studies towards steady state operation of an advanced tokamak on JT-60U are presented. Especially, issues that are related to a current profile and internal...

Recent progress on the development and analysis of the ITPA global H-mode confinement database (2007)

McDonald, D. C., Cordey, J. G., Thomsen, K., Kardaun, Ojwf, Snipes, J. A., Greenwald, M., ...

This paper describes the updates to and analysis of the International Tokamak Physics Activity (ITPA) Global H-Mode Confinement Database version 3 (DB3) over the period 1994-2004. Global data, for...

Chapter 2: Plasma confinement and transport (2007)

Doyle, E. J., Houlberg, W. A., Kamada, Y., Mukhovatov, V., Osborne, T. H., Polevoi, A., ...

The understanding and predictive capability of transport physics and plasma confinement is reviewed from the perspective of achieving reactor-scale burning plasmas in the ITER tokamak, for both core...

Field-induced ferroelectric and commensurate spin state in mutiferroic HoMn$_{2}$O$_{5}$ (2006)

Kimura, H., Kamada, Y., Noda, Y., Kaneko, K., Metoki, N., Kohn, K.

Neutron diffraction measurements under high magnetic fields have been performed for the multiferroic compound HoMn$_{2}$O$_{5}$. At zero field, high-temperature incommensurate magnetic (HT-ICM) --...

Survey of Type I ELM dynamics measurements (2006)

Leonard, A. W., Asakura, N., Boedo, J. A., Becoulet, M., Counsell, G. F., Eich, T., ...

This report summarizes Type I edge localized mode (ELM) dynamics measurements from a number of tokamaks, including ASDEX-Upgrade, DIII-D, JET, JT-60U and MAST, with the goal of providing guidance and...

The role of aspect ratio and beta in H-mode confinement scalings (2006)

Kaye, S. M., Valovic, M., Chudnovskiy, A., Cordey, J. G., McDonald, D., Meakins, A., ...

The addition of high power, low aspect ratio data from the NSTX and MAST experiments has motivated a new investigation of the effect of aspect ratio on confinement scaling. Various statistical...

Scaling of the energy confinement time with beta and collisionality approaching ITER conditions (2005)

Cordey, J. G., Thomsen, K., Chudnovskiy, A., Kardaun, Ojwf, Takizuka, T., Snipes, J. A., ...

The condition of the latest version of the ELMy H-mode database has been re-examined. It is shown that there is bias in the ordinary least squares regression for some of the variables. To address...

Edge localized modes control: experiment and theory (2005)

Becoulet, M., Huysmans, G., Thomas, P., Joffrin, E., Rimini, F., Monier-Garbet, P., ...

The paper reviews recent theoretical and experimental results focussing on the identification of the key factors controlling ELM energy and particle losses both in natural ELMs and in the presence of...

Ion acceleration during internal magnetic reconnection events in TST-2 (2004)

Hoshika, Hiroyuki, Zushi, H., Aramasu, M., Idei, H., Iyomasa, A., Ejiri, A., ...

Characteristics of ion acceleration in the internal magnetic reconnection events (IRE) have been studied by means of a neutral particle energy analyzer (NPA) in Tokyo Spherical Tokamak (TST-2). The...

Ion acceleration during internal magnetic reconnection events in TST-2 (2004)

Hoshika, Hiroyuki, Zushi, H., Aramasu, M., Idei, H., Iyomasa, A., Ejiri, A., ...

Characteristics of ion acceleration in the internal magnetic reconnection events (IRE) have been studied by means of a neutral particle energy analyzer (NPA) in Tokyo Spherical Tokamak (TST-2). The...

Ion acceleration during internal magnetic reconnection events in TST-2 (2004)

Hoshika, Hiroyuki, Zushi, H., Aramasu, M., Idei, H., Iyomasa, A., Ejiri, A., ...

Characteristics of ion acceleration in the internal magnetic reconnection events (IRE) have been studied by means of a neutral particle energy analyzer (NPA) in Tokyo Spherical Tokamak (TST-2). The...

Ion acceleration during internal magnetic reconnection events in TST-2 (2004)

Hoshika, Hiroyuki, Zushi, H., Aramasu, M., Idei, H., Iyomasa, A., Ejiri, A., ...

Characteristics of ion acceleration in the internal magnetic reconnection events (IRE) have been studied by means of a neutral particle energy analyzer (NPA) in Tokyo Spherical Tokamak (TST-2). The...

Ion acceleration during internal magnetic reconnection events in TST-2 (2004)

Hoshika, Hiroyuki, Zushi, H., Aramasu, M., Idei, H., Iyomasa, A., Ejiri, A., ...

Characteristics of ion acceleration in the internal magnetic reconnection events (IRE) have been studied by means of a neutral particle energy analyzer (NPA) in Tokyo Spherical Tokamak (TST-2). The...

Status of and prospects for advanced tokamak regimes from multi-machine comparisons using the 'International Tokamak Physics Activity' database (2004)

Litaudon, X., Barbato, E., Becoulet, A., Doyle, E. J., Fujita, T., Gohil, P., ...

Advanced tokamak regimes obtained in ASDEX Upgrade, DIII-D, FF-U, JET, JT-60U, TCV and Tore Supra experiments are assessed both in terms of their fusion performance and capability for ultimately...

Advanced glycation end products induce secretion of chemokines and apoptosis in human first trimester trophoblasts (2004)

Konishi, H., Nakatsuka, M., Chekir, C., Noguchi, S., Kamada, Y., Sasaki, A., ...

BACKGROUND: We studied the effects of advanced glycation end products (AGEs), which are known to accumulate in patients with diabetes, autoimmune diseases, or that smoke, on human trophoblasts....

Advanced glycation end products induce secretion of chemokines and apoptosis in human first trimester trophoblasts (2004)

Konishi, H., Nakatsuka, M., Chekir, C., Noguchi, S., Kamada, Y., Sasaki, A., ...

BACKGROUND: We studied the effects of advanced glycation end products (AGEs), which are known to accumulate in patients with diabetes, autoimmune diseases, or that smoke, on human trophoblasts....

Characteristics of the H-mode pedestal and extrapolation to ITER (2003)

Osborne,T. H., Cordey,J. G., Groebner,R. J., Hatae,T., Hubbard,A., Horton,L. D., ...

The development of a predictive capability for the characteristics of the H-mode pedestal and ELMs is important in predicting tokamak reactor performance. The H-mode pedestal effects core confinement...

Edge localized mode physics and operational aspects in tokamaks (2003)

Bécoulet,M., Huysmans,G., Sarazin,Y., Garbet,X., Ghendrih,Ph., Rimini,F., ...

Recent progress in experimental and theoretical studies of edge localized mode (ELM) physics is reviewed for the reactor relevant plasma regimes, namely the high confinement regimes, that is, H-modes...

Enhanced pedestal pressure and parameter-linkages determining edge pedestal structure in JT-60U Type I and Type II ELMy H-mode (2003)

Kamada,Y., Takenaga,H., Urano,H., Takizuka,T., Hatae,T., Miura,Y.

Based on the expanded H-mode operational regimes in JT-60U utilizing the improved capability of high triangularity (δ) operation, the multiple pellet injection and high power heating including the...

Increased understanding of the dynamics and transport in ITB plasmas from multi-machine comparisons (2003)

Gohil,P., Kinsey,J., Parail,V., Litaudon,X., Fukuda,T., Hoang,T., ...

Our understanding of the physics of internal transport barriers (ITBs) is being furthered by analysis and comparisons of experimental data from many different tokamaks worldwide. An international...

Characteristics of the H-mode pedestal and extrapolation to ITER (2003)

Osborne, T. H., Cordey, J. G., Groebner, R. J., Hatae, T., Hubbard, A., Horton, L. D., ...

The development of a predictive capability for the characteristics of the H-mode pedestal and ELMs is important in predicting tokamak reactor performance. The H-mode pedestal effects core confinement...

Edge localized mode physics and operational aspects in tokamaks (2003)

Bécoulet, M., Huysmans, G., Sarazin, Y., Garbet, X., Ghendrih, Ph., Rimini, F., ...

Recent progress in experimental and theoretical studies of edge localized mode (ELM) physics is reviewed for the reactor relevant plasma regimes, namely the high confinement regimes, that is, H-modes...

Enhanced pedestal pressure and parameter-linkages determining edge pedestal structure in JT-60U Type I and Type II ELMy H-mode (2003)

Kamada, Y., Takenaga, H., Urano, H., Takizuka, T., Hatae, T., Miura, Y.

Based on the expanded H-mode operational regimes in JT-60U utilizing the improved capability of high triangularity (δ) operation, the multiple pellet injection and high power heating including the...

Increased understanding of the dynamics and transport in ITB plasmas from multi-machine comparisons (2003)

Gohil, P., Kinsey, J., Parail, V., Litaudon, X., Fukuda, T., Hoang, T., ...

Our understanding of the physics of internal transport barriers (ITBs) is being furthered by analysis and comparisons of experimental data from many different tokamaks worldwide. An international...

Recent advances in the LHD experiment (2003)

Motojima, O., Ohyabu, N., Komori, A., Kaneko, O., Yamada, H., Kawahata, K., ...

In the first four years of the LHD experiment, several encouraging results have emerged, the most significant of which is that MHD stability and good transport are compatible in the inward shifted...

Understanding of H mode pedestal characteristics using the multimachine pedestal database (2001)

Hatae, T., Sugihara, M., Hubbard, A. E., Igitkhanov, Y., Kamada, Y., Janeschitz, G., ...

With use of a multimachine pedestal database, essential issues for each regime of ELM types are investigated. They include (i) understanding and prediction of pedestal pressure during type I ELMs, a...

Metal/Semi-Conductivity and Antiferromagnetic Ordering of Fe(III) d Spins in (Benzotetrathiafulvalenothioquinone-1,3-dithiolemethide)(2)-FeBr(4) (1998)

Hiraoka, T., Kamada, Y., Matsumoto, T., Fujiwara, H., Sugimoto, T., Noguchi, S., ...

A new donor molecule, benzotetrathiafulvalenothioquinone-1,3-dithiolemethide (1) was prepared and electorochemically oxidized in the presence of NEt(4)-MX(4) (M = Fe, Ga; X = Cl, Br) to give its...

Beta limits in long-pulse tokamak discharges (1997)

Sauter, O., LaHaye, R.J., Chang, Z., Gates, D.A., Kamada, Y., Zohm, H., ...

This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying...

Beta limits in long-pulse tokamak discharges (1997)

Sauter, O., LaHaye, R. J., Chang, Z., Gates, D. A., Kamada, Y., Zohm, H., ...

The maximum normalized beta achieved in long-pulse tokamak discharges at low collisionality falls significantly below both that observed in short pulse discharges and that predicted by the ideal MHD...

Human papillomavirus DNA in squamous cell carcinoma of the lung.

Hirayasu, T, Iwamasa, T, Kamada, Y, Koyanagi, Y, Usuda, H, Genka, K

AIM: To compare the incidence of squamous cell carcinoma (SCC) of the lung in Okinawa with that in Niigata on the mainland. METHODS: All patients presenting with SCC of the lung in Okinawa and...

A role for the Pkc1 MAP kinase pathway of Saccharomyces cerevisiae in bud emergence and identification of a putative upstream regulator.

Gray, J V, Ogas, J P, Kamada, Y, Stone, M, Levin, D E, Herskowitz, I

The protein kinase C of Saccharomyces cerevisiae, Pkc1, regulates a MAP kinase, Mpk1, whose activity is stimulated at the G1-S transition of the cell cycle and by perturbations to the cell surface,...

Human papillomavirus DNA in squamous cell carcinoma of the lung.

Hirayasu, T, Iwamasa, T, Kamada, Y, Koyanagi, Y, Usuda, H, Genka, K

AIM: To compare the incidence of squamous cell carcinoma (SCC) of the lung in Okinawa with that in Niigata on the mainland. METHODS: All patients presenting with SCC of the lung in Okinawa and...

A role for the Pkc1 MAP kinase pathway of Saccharomyces cerevisiae in bud emergence and identification of a putative upstream regulator.

Gray, J V, Ogas, J P, Kamada, Y, Stone, M, Levin, D E, Herskowitz, I

The protein kinase C of Saccharomyces cerevisiae, Pkc1, regulates a MAP kinase, Mpk1, whose activity is stimulated at the G1-S transition of the cell cycle and by perturbations to the cell surface,...