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K. Tahara,Y. Fukuda,G. Wakabayashi,H. Ban,Y. Morimoto,M. Yoshioka,K. Kiyohara,Y. Koba,H. Iwamoto,Y. Uozumi,N. Matsufuji 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.23
We measured proton-production double differential cross sections (DDXs) by 290 MeV/u carbon beams on carbon, copper, lead targets at forward angles. The proton energies were measured with the spectrometer which consisted of GSO(Ce) crystals and plastic scintillators. The measured DDXs were compared with the calculated ones with PHITS code. The simulation results generally agreed with the measured ones. The measured results will be useful as the benchmark of existing simulation codes and for the future improvements.
Nagaoka, K.,Yamaguchi, H.,Aida, H.,Yoshioka, K.,Takahashi, M.,Christenson, R.K.,Imakawa, K.,Sakai, S. Asian Australasian Association of Animal Productio 2000 Animal Bioscience Vol.13 No.6
As high as 50% of pregnancies are known to fail and the majority of such losses occur during the peri-implantation period. For the establishment of pregnancy in mammalian species, therefore, implantation of the conceptus to the maternal endometrium must be completed successfully. Physiological events associated with implantation differ among mammals. In ruminant ungulates, an elongation of the trophohlast in early conceptus development is required before the attachment of the conceptus to the uterine endometrium. Moreover, implantation sites are restricted to each uterine caruncula where tissue remodeling, feto-maternal cell fusion and placentation take place in a coordinated manner. These unique events occur under strict conditions and are regulated by numerous factors from the uterine endometrium and trophoblast in a spatial manner. Interferon-tau (IFN-${\tau}$), a conceptus-derived anti-Iuteolytic factor, which rescues corpus luteum from its regression in ruminants, is particularly apt to play an important role as a local regulator in coordination with other factors, such as TGF-${\beta}$, Cox-2 and MMPs at the attachment and placentation sites.
Final report on key comparison CCAUV.U-K3.1
Haller, J,Koch, C,Costa-Felix, R P B,Dubey, P K,Durando, G,KIM, Y T,Yoshioka, M BUREAU INTERNATIONAL DES POIDS ET MESURES 2016 METROLOGIA -BERLIN- Vol.53 No.-
<P></P> <P>The CCAUV.U-K3.1 is a follow-up of the comparison CCAUV.U-K3 which was the third key comparison in the ultrasound branch organised under the auspices of the Consultative Committee for Acoustics, Ultrasound and Vibration (CCAUV) of the BIPM. It was necessary to allow participants with discrepant values and additional laboratories to have another possibility to take part in an international comparison and to test their measurement facilities. The comparison dealt with power measurement in the frequency range 2 to 10.5 MHz and a power range between 10 mW and 15 W. The parameter range covered is of particular importance for medical applications of ultrasound.</P> <H2>Main text</H2> <P> To reach the main text of this paper, click on <A HREF='http://www.bipm.org/utils/common/pdf/final_reports/AUV/U-K3/CCAUV.U-K3.1_Final_Report.pdf'>Final Report</A>. Note that this text is that which appears in Appendix B of the BIPM key comparison database <A HREF='http://kcdb.bipm.org/'>kcdb.bipm.org/</A>.</P> <P>The final report has been peer-reviewed and approved for publication by the CCAUV, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA).</P>
1600V, 300A STATIC INDUCTION (SI) THYRISTOR
J.Nishizawa,K.Muraoka,Y.Ohtsubo,K.Yoshioka 전력전자학회 1989 ICPE(ISPE)논문집 Vol.- No.-
Static Induction (SI) thyristors were invented by NISHIZAWA in 1973 (I). Since then, intensive researches have been made to put them into practice in various fields as large power devices (2) {3). Among them, 1200V, 300A SI thyristor has been developed to be applied to a high frequency application equipment (4). This device has bee applied to develop a high frequency inverter (6), active filter {7), current source high frequency inverter (8), etc. These applications proved that the items of device tosses considerably varied depending on the circuit design and operation mode of the voltage source inverter, current source inverter and an e-quipment using a resonance circuit. It is expected, therefore, that a device be designed to meet a particular circuit and operation mode to improve the equipment conversion efficiency. We have recently developed two types of 1600V, 300A class SI thyris-tors whose peak turn-off current is 800A so as to apply them to the voltage source and current source inverters for PWM circuit and for resonance circuit respectively. Their device characteristics will be outlined as follows .