A5008169388- Particle accelerators and beam dynamics
- Plasma Diagnostics and Applications
- Magnetic confinement fusion research
- Particle Accelerators and Free-Electron Lasers
- Gyrotron and Vacuum Electronics Research
- Superconducting Materials and Applications
- Ion-surface interactions and analysis
- Atomic and Molecular Physics
- Quantum Chromodynamics and Particle Interactions
- Atomic and Subatomic Physics Research
- Quantum, superfluid, helium dynamics
- Nuclear physics research studies
- Pharmacy and Medical Practices
- Plasma Applications and Diagnostics
- Peripheral Neuropathies and Disorders
- Cardiac Arrest and Resuscitation
- Metabolism and Genetic Disorders
- Plant tissue culture and regeneration
- Genetic Syndromes and Imprinting
- Healthcare Technology and Patient Monitoring
- Cell Adhesion Molecules Research
- Particle physics theoretical and experimental studies
- Pregnancy and preeclampsia studies
- Folate and B Vitamins Research
- Colorectal Cancer Surgical Treatments
Kokushikan University
2024-2025
St Mary's Hospital
2017
ITER
2009-2013
Japan Atomic Energy Agency
1992-2012
Hitachi (Japan)
1995-2008
Toho University
2007-2008
Toho University Omori Medical Center
2007-2008
Kobe Tokiwa University
1981-2007
Ministry of Education, Culture, Sports, Science and Technology
2007
Osaka Prefectural Institute of Public Health
2005
The ITER neutral beam (NB) injectors are the first that will have to operate under conditions and constraints similar those be encountered in a fusion reactor. These hostile radiation environment they become highly radioactive due neutron flux from ITER. use single large ion source accelerator produce 40 A 1 MeV D − beams for pulse lengths of up 3600 s. Significant design changes been made heating NB (HNB) injector over past 4 years. main are: Modifications allow installation maintenance...
Objective This study aimed to compare different fully automatic external defibrillators (FAEDs) among university students and examine whether they could deliver an electroshock quickly correctly. Furthermore, we identify potential issues that arise when disseminating FAEDs the public. Methods A randomized controlled trial was conducted using two commercially available FAEDs. The primary outcome measure time from FAED arrival defibrillation (seconds). We used multiple linear regression...
An extracellular carboxyl proteinase produced by the yeast Candida albicans enhanced vascular permeability when injected into dorsal skin of guinea pigs. The character and mechanism permeability-enhancing reaction were studied in vivo vitro. Permeability was not C. heat treated (100 degrees C, 5 min) or it with pepstatin, a specific inhibitor. induced affected pretreatment antihistamine but greatly augmented simultaneous injection kinin potentiator, carboxypeptidase N However,...
This paper covers the in vitro plantlet development of banana cultured Culture Pack-rockwool system with CO 2 enrichment (3000 μmol mol -1 ) under different light-emitting diode (LED) irradiation levels as compared to that plant growth fluorescent lamps (PGF) and 80% red + 20% blue LED at 45 m -2 s for 30 days. Shoot explants three leaves were on Murashige Skoog (1962) medium 0.02 mg l IBA (45, 60 or 75 which ratio is 90% 10% PGF LED. Attempts also made examine whether light source during...
An intense negative hydrogen ion source has been developed, which a strong external magnetic filter field in the wide area of 35 cm×62 cm produced by pair permanent magnet rows located at 35.4 separation. The strength is 70 G center and line-integrated 850 cm, keeps low electron temperature extraction region. Strong cusp field, 1.8 kG on chamber surface, generated for improvement plasma confinement. These resulted high arc efficiency operational gas pressure. 16.2 A H− current with energy 47...
It is demonstrated that a cesium-seeded volume H− ion source can be operated very stably for long pulse durations of up to 24 h. The consists 20 cm cylindrical multicusp plasma generator and 9 × 10 multiaperture extractor. By seeding small amount cesium, the has produced 50 keV, 0.5 A, 1000 s beams with current density 14 mA/cm2. cesium effect lasted more than h once 100 mg was seeded before operation. Power flow measurement revealed heat loading low enough operate in dc mode.
In a multi-aperture multi-grid accelerator of the ITER neutral beam injector, beamlets are deflected due to space charge repulsion between and groups, also magnetic field. Moreover, beamlet deflection is influenced by electric field distortion generated grid support structure. Such complicated deflections compensations have been examined utilizing three-dimensional analysis. The influence structure were studied in 1∕4 model including 320 beamlets. Beamlet was single model. As results,...
Objective To evaluate whether automatically adjusting the volume of automated external defibrillator (AED) audio guidance to match environmental noise level made hearing in noisy environments easier for AED users. Methods A pilot usability study was conducted. We included three emergency life-saving technicians and nine university students who assigned medical support spectators at Japan Rugby League One match. Participants first used without a volume-change function (no-change) then with...
A 432-MHz, 3-MeV radio-frequency quadrupole (RFQ) linac was developed for the Japanese Hadron Project (JHP). This four vane-type RFQ stabilized against dipolemode mixing with newly devised 1-mode stabilizing loops (PISLs). In order to inject a low-emittance Hbeam into RFQ, designed pre-injector composed volume production Hion source (VPIS) and low-energy beam transport (LEBT) has been developed. of 16 mA 90% normalized emittance 0.411 mm·mrad produced by VPIS operated without cesium injected...
Bile acids in the spent medium for cell culture were analyzed by gas-liquid chromatography and chromatography-mass spectrometry to determine whether human hepatoblastoma line could synthesize bile acids. Cholic, chenodeoxycholic, lithocolic found medium, a portion of chenodeoxycholic acid all lithocholic sulfated. Since cells had been cultured serum-free it is clear that newly synthesized sulfated cells. Chenodeoxycholic was main suggesting might predominantly acid. On other hand, fetal or...
A large semicylindrical negative ion source, whose dimensions are 34 cm in diameter and 104 length, has been developed. By optimizing a chamber depth filter strength, H− current of 650 mA (7.7 mA/cm2) was obtained at an arc condition 1.3 Pa, 70 V, 1200 A. In order to increase the reduce operating pressure, small amount Cs injected. As result, increased from 550 (6.5 850 (10 under power V×800 The most significant feature cesium effect reduction pressure. With maintaining sufficient 670 (8...
A beam steering technique using aperture displacement was examined to correct the negative ion deflection due magnetic field for electron suppression in a large-area multibeamlet H− source. The total angle estimated, including effect of by and displacement, both linear optics theory three-dimensional trajectory simulation. Two methods were compared; one used grounded grid (GG) apertures exit part extraction (EG exit) apertures, other only EG exit. experiments performed source with methods,...
Candida albicans, when cultivated in a medium containing insoluble bovine achilles tendon as nitrogen source, was able to produce collagen degrading proteinase. The degradation of by the proteinase verified morphological change and release hydroxyproline. activity inhibited pepstatin.
Abstract R & D's on high power negative ion source at JAERI are reviewed. A method of cesium injection into volume has drastically progressed in development the current source. The H− was enhanced up to 10 only by seeding a few hundreds mg production type magnetically filtered multicusp Reductions optimum gas pressure and electron were also observed operation seeded sources. These effects helpful stable ac-celeration beams. High energy beam acceleration demonstrated So far, we have succeeded...
Filamentless negative ion beam production was investigated with a compact microwave source (2.45 GHz). One of the key points for is magnetic configuration. A filter field to lower electron temperature generated in cell, which shielded magnetically from discharge cell couple plasma. Production H− studied this source. extracted through grid slit (2×16 mm2) plasma and accelerated 20–40 keV. current measured Faraday cup after mass separation. Continuous 73 μA (0.23 mA/cm2) obtained magnetron...