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Javier Esteras-Saz,Óscar de la Iglesia,Izumi Kumakiri,Cristina Peña,Ana Escudero,Carlos Téllez,Joaquín Coronas 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.122 No.-
This paper presents as main contribution the combination of membrane osmotic distillation (OD) to dealcoholizered wine with hydrophobic-hydrophilic pervaporation (PV) carried out to add value to thewastewater (extracting water) produced in OD, recycling water and generating bioethanol. MembraneOD with a commercial polypropylene hollow fiber module was applied to partially dealcoholize red winefrom 14.0 to 11.0 v/v% ethanol. The OD extracting water, containing only ca. 5.3 wt% ethanol, was treatedby sequential PV with both hydrophobic (PDMS or zeolite silicalite-1) and hydrophilic (zeolites mordeniteor faujasite) membranes. This hydrophobic-hydrophilic PV produced two main products: bioethanol(recovering 88% of the ethanol removed from the wine) and a 99.4 wt% water-rich product. This waterrichproduct, with a very low ethanol content, was used as extracting water in the OD, giving rise to ananalogous partially dealcoholized wine, in terms of aroma contents (as determined by gas chromatographyfor 25 compounds), to that achieved when using fresh water.
Progress in R&D of coated conductor in M-PACC project
Izumi, T.,Ibi, A.,Nakaoka, K.,Taneda, T.,Yoshida, T.,Takagi, Y.,Nakamura, T.,Machi, T.,Katayama, K.,Sakai, N.,Yoshizumi, M.,Koizumi, T.,Kimura, K.,Kato, T.,Kiss, T.,Shiohara, Y. The Korea Institute of Applied Superconductivity a 2014 한국초전도저온공학회논문지 Vol.16 No.2
The five-year national project in Japan for R&D of coated conductors and applications, named as the Materials and Power Applications of Coated Conductors (M-PACC) project, was finished at the end of FY2013. The project consists of four sub-themes as cable, transformer, SMES and coated conductors. In the theme of coated conductors, the fabrication process had been developed to satisfy the requirements from the applications such as in-field $I_c$ performance, low AC loss in the long tapes etc. Through the project, the remarkable progress was achieved as follows; a high in-field minimum $I_c$ value over 54A/cm-width under 3T at 77K was realized in a 200m long EuBCO tape with artificial pinning centers of $BaHfO_3$ by the pulsed laser deposition (PLD) technique on the IBAD template. On the other hand, the AC loss reduction was confirmed in the tapes fabricated by both PLD and the metal organic deposition (MOD) techniques by scribing 100m tapes into 10-filamments. Additionally, the mechanism of the delamination phenomenon was systematically investigated and the strength was improved by eliminating the origins of the weak points in the films. Through the development, all targeted goals were accomplished and the several results were appreciated as a world champion data.
Motion Control of Linear Pulse Motor for Artificial Heart
H.Yamada,T.Mizuno,Y.Izumi,H.Wakiwaka,Y.Kataoka,Y.Kikuchi 전력전자학회 1998 ICPE(ISPE)논문집 Vol.- No.-
This paper deals with the difference of the static and kinetic thrust characteristics of a linear pulse motor (LPM) without and with feedback control for a total artificial heart (TAH). In general, the kinetic thrust of a LPM without feedback control decreases as increasing the mover velocity. The kinetic thrust characteristics of the LPM with feedback control are improved approximately 30 % as compared with the LPM without feedback control in the high velocity range.<br/>
WEIDA YAN,SHUHEI AOYAMA,HIROTAKE ISHII,HIROSHI SHIMODA,TRAN T. SANG,SOLHAUGLARS INGE,TOPPE ALEKSANDER LYGREN,JOHNSEN TERJE,MASANORI IZUMI 한국원자력학회 2012 Nuclear Engineering and Technology Vol.44 No.5
When decommissioning a nuclear power plant, it is difficult to make an appropriate plan to ensure sufficient space for temporary placement and conveyance operations of dismantling targets. This paper describes a system to support temporary placement and conveyance operations using augmented reality (AR). The system employs a laser range scanner to measure the three-dimensional (3D) information of the environment and a dismantling target to produce 3D surface polygon models. Then,the operator simulates temporary placement and conveyance operations using the system by manipulating the obtained 3D model of the dismantling target in the work field. Referring to the obtained 3D model of the environment, a possible collision between the dismantling target and the environment is detectable. Using AR, the collision position is presented intuitively. After field workers evaluated this system, the authors concluded that the system is feasible and acceptable to verify whether spaces for passage and temporary storage are sufficient for temporary placement and conveyance operations. For practical use in the future, some new functions must be added to improve the system. For example, it must be possible for multiple workers to use the system simultaneously by sharing the view of dismantling work.
Yan, Weida,Aoyama, Shuhei,Ishii, Hirotake,Shimoda, Hiroshi,Sang, Tran T.,Inge, Solhaug Lars,Lygren, Toppe Aleksander,Terje, Johnsen,Izumi, Masanori Korean Nuclear Society 2012 Nuclear Engineering and Technology Vol.44 No.5
When decommissioning a nuclear power plant, it is difficult to make an appropriate plan to ensure sufficient space for temporary placement and conveyance operations of dismantling targets. This paper describes a system to support temporary placement and conveyance operations using augmented reality (AR). The system employs a laser range scanner to measure the three-dimensional (3D) information of the environment and a dismantling target to produce 3D surface polygon models. Then, the operator simulates temporary placement and conveyance operations using the system by manipulating the obtained 3D model of the dismantling target in the work field. Referring to the obtained 3D model of the environment, a possible collision between the dismantling target and the environment is detectable. Using AR, the collision position is presented intuitively. After field workers evaluated this system, the authors concluded that the system is feasible and acceptable to verify whether spaces for passage and temporary storage are sufficient for temporary placement and conveyance operations. For practical use in the future, some new functions must be added to improve the system. For example, it must be possible for multiple workers to use the system simultaneously by sharing the view of dismantling work.
Y.Uchihori,Y.Kawamura,S.Morita,A.Kojina,J.M.Sun,Y.J.Kim,T.Izumi,M.Nakaoka 전력전자학회 1995 ICPE(ISPE)논문집 Vol.1995 No.10
This paper presents a novel prototype of a new concepttonal electromagnetic induction fluid heating appliance with eddy current-based flow-through thin metallic heater assembly, which is composed of the voltage source-fed type phase-shifted PWM series-load resonant high-frequency inverter using IGBT modules and thek driver modules in addition to a temperature sensor, and an auto-tuning PID gain controller for precise and stable temperature regulation scheme.<br/> In particular, the efficient series capacitor-compensated load resonant high-frequency inverter system with a power factor correction and active sinewave line current shaping functions is introduced as this induction-heated fluid heating appliance in pipeline used for industrial, medical, chemical, consumer power processing apphca-tions.<br/> Its operating characteristics in steady-state are illustrated and evaluated in experiment and its computer simulation results. The promising cost effective applications of this induction-heated fluid-heating appliance are mentioned from a practical point of view.
Liver Cancer Working Group Report
Kudo, M.,Han, K. H.,Kokudo, N.,Cheng, A.-L.,Choi, B. I.,Furuse, J.,Izumi, N.,Park, J.-W.,Poon, R. T.,Sakamoto, M. Oxford University Press 2010 Japanese journal of clinical oncology Vol.40 No.suppl1
<P>Hepatocellular carcinoma is a highly prevalent disease in many Asian countries, accounting for 75-80% of victims worldwide. The incidence of hepatocellular carcinoma varies enormously across Asia, but tends to follow the incidences of hepatitis B infection and liver cirrhosis. The incidence and etiology of hepatocellular carcinoma in Japan are different from the rest of Asia, but similar to that in Western countries because hepatitis C infection is the main etiological factor in Japan. Hepatitis B virus vaccination programs are showing great success in reducing hepatitis B virus-related hepatocellular carcinoma. Screening program improves detection of early hepatocellular carcinoma and has some positive impact on survival, but the majority of hepatocellular carcinoma patients in Asia still present with advanced hepatocellular carcinoma. Long-term outcomes following treatment of even early/intermediate or advanced disease are often unsatisfactory because of a lack of effective adjuvant and systemic therapies. Various clinical practice guidelines for hepatocellular carcinoma have been established and are in use. Clinical diagnosis of hepatocellular carcinoma by imaging diagnosis is replacing diagnosis of hepatocellular carcinoma by pathological confirmation. New imaging and treatment techniques are continuously being developed and guidelines should be updated every 3 or 4 years, incorporating new evidence. New molecularly targeted therapies hold great promise. Sorafenib is the first systemic therapy to demonstrate prolonged survival vs. the placebo in patients with advanced hepatocellular carcinoma. Various other new molecularly targeted agents are currently under investigation.</P>