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Reference Design of ICRF Antenna for EASt

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Plasma Science and technology 2006年第3期8卷 358-362页

作者：秦成明赵燕平 Hiroyuki OKADA 张新军毛玉周 t.watari R.KUMAZAWA t.SEKI Institute of Plasma Physics Chinese Academy of Sciences Hefei 230031 China National Institute for Fusion Science Furo-cho Chikusa-ku Nagoya 464-01 Japan Institute of Plasma Physics Chinese Academy of Sciences Hefei 230031 China

An antenna array suitable for plasma heating and current drive has been designed for the ion cyclotron resonance frequency range （ICRF） heating on the EASt superconducting tokamak. the ICRF heating is planned to operate in a frequency range of 30 MHz to 80 MHz and hence the antenna geometry is optimized for 55 MHz. the design is based on the conventional strap antenna element. the coupling properties of the antenna are calculated with a slab model of the plasma for the antenna simulation. the coupling code is extended for the analysis of the toroidal antenna array separated by septa.

关键词： ICRF antenna design input impedance plasma coupling

Design of High Power DC Break For ICRH Of EASt

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Plasma Science and technology 2005年第2期7卷 2727-2730页

作者：李国超赵燕平毛玉周丁家义薛迪冶秦成明 t.watari R.Kumazawa Institute of Plasma Physics Chinese Academy of Sciences Hefei 230031China National Institute for Fusion Science Furo-cho Nagoya 464-01 Japan

1.5MW Ion Cyclotron Wave Heating system was developed, the transmitter and the antenna both have their ground loops, which will severely perturb the system’s normal operation. to avoid perturbation, a DC break was designed. the S parameter and the VSWR (voltage standing wave ratio) of incident port were calculated; the thermal effect caused by conductor loss and dielectric loss was analyzed.

关键词： DC break ion cyclotron wave heating (ICRH) coaxial line loss

Design and Realization of Liquid Stub tuner Control System

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Plasma Science and technology 2004年第6期6卷 2531-2534页

作者：潘亚平王磊赵燕平秦成明薛迪冶邓旭毛玉周丁家义 t.watari R.Kumazawa t.Seki Institute of Plasma Physics Chinese Academy of Sciences Hefei 230031 China National Institute for Fusion Science Furo-cho Chikusa-ku Nagoya 464-01 Japan

In microwave circuit and aerial system, impedance matching is very important. Liquid stub tuner is a new type of impedance matching device. In the Ht-7 tokamak Ion Cyclotron Resonance Heating ( ICRH ) system, we have already adopted liquid stub tuner to replace the conventional stub tuner. It is urgent to develop a control system of the liquid stub tuner. this paper mainly introduces the design and realization of the liquid stub tuner control system , and briefly introduces its three controlling functions: local control, remote control and computer control.

关键词： ICRH liquid stub tuner impedance matching control system

Zonal Flows and Geodesic Acoustic Mode Oscillations in tokamaks and Helical Systems

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Plasma Science and technology 2006年第1期8卷 105-109页

作者： t. watari Y. HAMADA A. NISHIZAWA t. NOtAKE N. tAKEUCHI National Institute for Fusion Science 322-6 Oroshi-cho Toki-city Gifu Japan Ariake National College of technology 150 Higashihagio-Machi Omuta Fukuoka Japan

this paper reviews the theoretical foundations of zonal flow, putting emphasis on the linear response function of plasma to the external flow drive. An extension of the theory is made in order to apply it to helical systems and to study the properties of the zonal flow in the low frequency range. Further refinement of the theory is made incorporating the orbital effects of particles more precisely, and the role of neoclassical polarization current is identified.

关键词： zonal flow geodesic acousti mode finite orbit effect coupling to ion acoustic mode

Effects of casting factors of cooling slope on semisolid condition

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中国有色金属学会会刊：英文版 2010年第S3期20卷 968-972页

作者： t.HAGA R.NAKAMURA R.tAGO H.watari Department of Mechanical Engineering Osaka Institute of Technology5-16-1 Omiya Asahi-kuOsaka City 535-8585Japan Department of Production Science and technology Gunma University Tenjin-choKiryu City 376-8515Japan

the effects of the casting factors such as nozzle size to pour the melt,nozzle height,tilt of the slope and slope length,of the cooling slope on the process to make semisolid slurry were *** results show that these factors affect the behaviors of the semisolid slurry on the cooling *** tilt of the slope is the factor that has major influence on the behavior of the semisolid *** cooling roll is developed from the result of the research of the cooling *** rotating cooling roll can improve the sticking of the semisolid slurry on the substrate and it is suitable for making the semisolid slurry.

关键词： casting factors cooling roll semisolid slurry cooling slope

transport mechanism in chemically reactive hybrid nanofluid flow containing gyrotactic micro-organisms over a curved oscillatory surface

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Applied Mathematics and Mechanics(English Edition) 2025年第1期46卷 177-192页

作者： M.NAVEED M.IMRAN t.ASGHAR Z.ABBAS Department of Mathematics Division of Science and TechnologyUniversity of Education Department of Mathematics The Islamia University of Bahawalpur

this paper examines the transport analysis, including both heat transfer and mass transfer, in hybrid nanofluid flow containing gyrotactic microorganisms towards a curved oscillatory surface. the influence of magnetic fields is also inspected in terms of their physical characteristics. to depict the phenomena of transport, modified versions of both Fick's and Fourier's laws are used. Additionally, the characteristics of both heterogeneous and homogeneous chemical reactions are also incorporated. Utilizing a curvilinear coordinate system, the flow problem is formulated as partial differential equations(PDEs)for momentum, concentration, microorganism field, and energy. An analytical solution to the obtained flow equations is achieved utilizing the homotopy analysis method(HAM).the effects of significant flow parameters on the pressure and microorganism fields, velocity, oscillation velocity, concentration, and temperature distributions are shown via graphs. Furthermore, the variations in skin friction, mass transfer rate, heat transfer rate, and local motile number due to different involved parameters are presented in tables and are analyzed in detail. Graphical results indicate that the curves of velocity and temperature fields are enhanced as the values of the solid volume fraction variables *** is also verified that the concentration rate field decreases as the values of the homogeneous reaction strength parameter and the radius of curvature parameter increase, and it increases with the Schmidt number and the heterogeneous reaction strength *** outcomes show a favorable response of the motile number to advanced values of the Peclet number, the Schmidt number, the microorganism difference parameter, and the bio-convective Lewis number.

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Fecal microbiota transplantation in allergic diseases

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World Journal of Methodology 2025年第2期15卷 83-91页

作者： Ece tüsüzÖnata ÖnerÖzdemir Division of Pediatric Allergy and Immunology Medical FacultySakarya UniversityAdapazarı54100SakaryaTürkiye

Microorganisms such as bacteria,fungi,viruses,parasites living in the human intestine constitute the human intestinal *** refers to composi-tional and quantitative changes that negatively affect healthy gut *** recent years,with the demonstration that many diseases are associated with dysbiosis,treatment strategies targeting the correction of dysbiosis in the treat-ment of these diseases have begun to be *** microbiota trans-plantation(FMt)is the process of transferring faeces from a healthy donor to another recipient in order to restore the gut microbiota and provide a therapeutic *** studies have gained popularity after probiotic,prebiotic,symbiotic studies in the treatment of dysbiosis and related *** has emerged as a potential new therapy in the treatment of allergic diseases as it is associated with the maintenance of intestinal microbiota and immunological balance(t helper 1/t helper 2 cells)and thus suppression of allergic *** this article,the definition,application,safety and use of FMt in allergic diseases will be discussed with current data.

关键词： Microbiota Dysbiosis Faecal microbiota transplantation Allergic diseases

EASt装置离子回旋加热液态阻抗匹配系统的研究

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核聚变与等离子体物理 2005年第4期25卷 278-282页

作者：王鹏赵燕平毛玉周秦成明 t.watari R Kumazawa t Mutoh t Seki 中国科学院等离子体物理研究所合肥230031 National Institute for Fusion Science Toki City 509-5292

介绍了EASt装置离子回旋加热系统中的两种实现阻抗匹配的方式,用三支节液态调配器取代传统的滑竿式三支节调配器和用液态相移器与单支节液态调配器相结合组成液态阻抗匹配系统。通过对液态阻抗匹配系统的分析,表明这两种方式都能够较好... 详细信息

介绍了EASt装置离子回旋加热系统中的两种实现阻抗匹配的方式,用三支节液态调配器取代传统的滑竿式三支节调配器和用液态相移器与单支节液态调配器相结合组成液态阻抗匹配系统。通过对液态阻抗匹配系统的分析,表明这两种方式都能够较好地实现阻抗匹配。

关键词：离子回旋加热液态阻抗匹配系统液态支节调配器液态相移器

Carbon Nanotube Coating on titanium Substrate Modified with tiO_2 Nanotubes

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Journal of Wuhan University of technology(Materials Science) 2011年第5期26卷 867-871页

作者：白玉 PARK Ilsong BAE taesung KIM Kyounga watari Fumio UO Motohiro LEE Minho Department of Dental Biomaterials School of Dentistry and Institute of Oral BioscienceBrain Korea 21 ProjectChonbuk National University School of Materials Science and Engineering Inner Mongolia University of Technology Department of Conservative Dentistry Institute of Oral Bioscience and BK 21 ProjectSchool of DentistryChonbuk National University Biomedical Dental Materials and EngineeringDepartment of Oral Health ScienceGraduate School of Dental MedicineHokkaido University Advanced Biomaterials Section Graduate School of Medical and Dental SciencesTokyo Medical and Dental University

A combination of carbon nanotubes （CNts） and titanium （ti） modified with tiO2 nanotubes （tiO2 Nts） was fulfilled with the aim of improving bioactivity of ti ***,well-ordered tiO2 Nts were prepared by the electrochemical anodization of ti in an ethylene glycol electrolyte containing 1 wt% NH4F and 10 wt% H2O at 20 V for 50 min,followed by ***,the carboxylated CNts were coated onto the tiO2 Nts using electrophoretic deposition （EPD） *** growth of hydroxyapatite （HA） on the samples was investigated by soaking them in simulated body fluid （SBF）.the result showed the CNts-coated ti with the modification of tiO2 Nts （CNts-tiO2 Nts） was more efficient to induce HA formation than the CNts-coated smooth ti （CNts-ti）.the vitro cell response was evaluated using osteoblast cells （MC3t3-E1）.the good cell proliferation and strong cell adhesion could be obtained on the CNts-tiO2 *** results indicated that CNt coating on the ti modified with tiO2 Nts could be potentially useful for the periodontal ligament combination on dental implants.

关键词： carbon nanotubes tiO2 nanotubes apatite-forming ability cell adhesion