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Fabrication of BIT Thick Films Patterned by Proton Beam Writing
Masaki Yamaguchi,Kazuki Watanabe,Hiroyuki Nishikawa,Yoichiro Masuda 한국물리학회 2017 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.71 No.2
In this study, we fabricated thick films with polyvinylpyrrolidone (PVP) added to bismuth titanate (Bi4Ti3O12) to form a lead-free ferroelectric material. We examined the direct patterning of these materials by using proton-beam irradiation. When 50% PVP was added to the organic source solution, the c-axis orientation was promoted and cracks were suppressed due to stress relaxation. In addition, a dot and an arbitrary-shape micro-pattern were formed on bismuth-titanate thick film by micromachining using a proton beam.
Synthesis of Li<sub>2</sub>SiO<sub>3</sub> using novel water-assisted solid state reaction method
WATANABE, Mizuki,INOI, Jun,KIM, Sun Woog,KANEKO, Tatsuro,TODA, Ayano,SATO, Mineo,UEMATSU, Kazuyoshi,TODA, Kenji,KOIDE, Junko,TODA, Masako,KAWAKAMI, Emiko,KUDO, Yoshiaki,MASAKI, Takaki,YOON, Dae Ho Ceramic Society of Japan 2017 JOURNAL OF THE CERAMIC SOCIETY OF JAPAN - Vol.125 No.6
<P>Single phase of orthorhombic Li2SiO3 was synthesized via a novel soft-chemical synthesis method, water assisted solid state reaction method at 343-353K for 60 min. The crystal structure of the samples was characterized by X-ray diffraction (XRD) analysis. The scanning electron microscope (SEM) observation revealed that the estimated size of the particles is 50-200 nm. The XRD patterns and SEM images were compared to those of samples by a conventional solid state method at 1173K for 4 h. (C) 2017 The Ceramic Society of Japan. All rights reserved.</P>
Quality indicators for cervical cancer care in Japan
Tomone Watanabe,Mikio Mikami,Hidetaka Katabuchi,Shingo Kato,Masanori Kaneuchi,Masahiro Takahashi,Hidekatsu Nakai,Satoru Nagase,Hitoshi Niikura,Masaki Mandai,Yasuyuki Hirashima,Hiroyuki Yanai,Wataru Ya 대한부인종양학회 2018 Journal of Gynecologic Oncology Vol.29 No.6
Objective: Choice of hysterectomy and adjuvant treatment for International Federation of Gynecology and Obstetrics (FIGO) 2009 stage II endometrioid endometrial cancer (EEC) is still controversial. Aims of this study were to evaluate survival benefits and adverse effects of different hysterectomies with or without adjuvant radiotherapy (RT), and to identify prognostic factors. Methods: The patients at 14 member hospitals of the Taiwanese Gynecologic Oncology Group from 1992 to 2013 were retrospectively investigated. Patients were divided into simple hysterectomy (SH) alone, SH with RT, radical hysterectomy (RH) alone, and RH with RT groups. Endpoints were recurrence-free survival (RFS), overall survival (OS), disease-specific survival (DSS), adverse effects and prognostic factors for survival. Results: Total of 246 patients were enrolled. The 5-year RFS, OS, DSS and recurrence rates for the entire cohort were 89.5%, 94.3%, 96.2% and 10.2%, respectively. Patients receiving RH had more adverse effects including blood loss (p<0.001), recurrent urinary tract infections (p=0.013), and leg lymphedema (p=0.038). Age over 50-year (HR=9.2; 95% confidence interval [CI], 1.2–70.9) and grade 3 histology (HR=7.28; 95% CI, 1.45–36.6) were independent predictors of OS. Grade 3 histology was an independent predictor of RFS (HR=5.13; 95% CI, 1.38–19.1) and DSS (HR=5.97; 95% CI, 1.06–58.7). Patients receiving adjuvant RT had lower locoregional recurrence (p=0.046), but no impact on survival. Conclusion: Different treatment modalities yield similar survival outcomes. Patients receiving SH with RT had lower locoregional recurrent with acceptable morbidity. Age and tumor grading remained significant predictors for survival among patients with FIGO 2009 stage II EEC. Objective: We aimed to propose a set of quality indicators (QIs) based on the clinical guidelines for cervical cancer treatment published by The Japan Society of Gynecologic Oncology, and to assess adherence to standard-of-care as an index of the quality of care for cervical cancer in Japan. Methods: A panel of clinical experts devised the QIs using a modified Delphi method. Adherence to each QI was evaluated using data from a hospital-based cancer registry of patients diagnosed in 2013, and linked with insurance claims data, between October 1, 2012, and December 31, 2014. All patients who received first-line treatment at the participating facility were included. The QI scores were communicated to participating hospitals, and additional data about the reasons for non-adherence were collected. Results: In total, 297 hospitals participated, and the care provided to 15,163 cervical cancer patients was examined using 10 measurable QIs. The adherence rate ranged from 50.0% for ‘cystoscope or proctoscope for stage IVA’ to 98.8% for ‘chemotherapy using platinum for stage IVB’. Despite the variation in care, hospitals reported clinically valid reasons for more than half of the non-adherent cases. Clinically valid reasons accounted for 75%, 90.9%, 73.4%, 44.5%, and 88.1% of presented non-adherent cases respectively. Conclusion: Our study revealed variations in pattern of care as well as an adherence to standards-of-care across Japan. Further assessment of the causes of variation and non-adherence can help identify areas where improvements are needed in patient care.
Environmental Impact Evaluation for Transportation of Building Materials into Tokyo District
Tamura, Masaki,Watanabe, Kyohei,Nachi, Yoko Sustainable Building Research Center 2011 International journal of sustainable building tech Vol.2 No.1
Building materials such as concrete aggregate used in Tokyo district have recently been transported by ship or truck over a long distance with a long transportation time. Therefore, the evaluation of environmental impact from the total amount of building materials and $CO_2$ emissions due to transport of these materials from outside raw material plants to construction sites in the Tokyo district will become an important issue. In this study, the present conditions of transportation loads from building materials for structural bodies such as concrete, its aggregate and so on in the feasiblility study were investigated in consideration of transportation distance (km), total amount of weight (ton) and total number of transportation times (times) from raw material plants to construction sites in the Tokyo district. The environmental impacts of these transportation loads from building materials such as concrete aggregate conveyed into the Tokyo district were evaluated by the indicators of ton-kilometerage ($t{\cdot}km$) and amount of $CO_2$ emissions (t-$CO_2$), comparing transportation by ship and by truck. Moreover, regarding actual buildings recently built in Tokyo, a comparative analysis was conducted in terms of environmental impacts due to transportation loads from ton-kilometerange ($t{\cdot}km$) and amount of $CO_2$ emissions (t-$CO_2$) in consideration of differences between structural body types of reinforced concrete and structure steel.
Kazuhiro Sugawara,Masaki Katayose,Kota Watanabe 대한척추외과학회 2016 Asian Spine Journal Vol.10 No.5
Study Design: Cross-sectional study of healthy volunteers. Purpose: We aimed to investigate the variation in the lumbar facet joint orientation in an adult Asian population. The relationship between the facet joint orientation and muscle cross-sectional area (CSA) of multifidus and erector spinae was also clarified. Overview of Literature: Several studies have reported that lumbar pathologies, such as lumbar spondylolysis and degenerative spondylolisthesis, were related to the horizontally shaped lumbar facet joint orientation at the lower lumbar level. However, data regarding variations in the facet joint orientation in asymptomatic subjects have not been well documented. Methods: In 31 healthy male adult Asian volunteers, the facet joint orientation and CSA of multifidus and erector spinae were measured using magnetic resonance imaging at the L4–5 and L5–S1 levels. Variation in the facet joint orientation was examined using coefficients of variation (CV). Pearson’s product-moment coefficient was used to investigate the relationship between the facet joint orientation and CSA of multifidus and erector spinae. Results: Lumbar facet joint orientation had a wider range of variation at L5–S1 (CV=0.30) than at L4–5 (CV=0.18). The L4–5 facet joint orientation had a weak but significant correlation with the CSA of erector spinae (r =0.40; p=0.031). The CSA of the multifidus had no relationship with the facet joint orientation at the L4–5 (r =0.19; p =0.314) and the L5–S1 level (r =0.19; p =0.312). Conclusions: The lumbar facet joint orientation was found to have a wide variation, particularly at the L5–S1 in the Asian adult population, and the facet joint orientation had a relationship with the CSA of the erector spinae at the L4–5.
Unstructured Information Management Projects at IBM Tokyo Research Laboratory
Takeda, Koichi,Watanabe, Hideo,Uramoto, Naohiko,Nomiyama, Hiroshi,Matsuzawa, Hirofumi,Nasukawa, Tetsuya,Nagano, Tohru,Murakami, Akiko,Takeuchi, Hironori,Kanayama, Hiroshi,Kobayashi, Mei,Aono, Masaki,I 한국정보처리학회 2004 정보처리학회지 Vol.11 No.2
Effects of Long-Term Storage on Phytochrome-Mediated Germination in Lettuce Seeds
CHOI, KWAN-SAM,WATANABE, MASAKATSU,FURUYA, MASAKI 충남대학교부설 생명공학연구소 1991 생물공학연구지 Vol.1 No.-
This study was carried out under the NIBB Cooperative Research Program for the Okazaki Large Spectrograph (project No.85-513). K-S. Choi Acknowledges the support of Korea Science and Engineering Foundation and Korea Ministry of Education for visiting and staying at the national Institute for Basic Biology. Technical assistance of Mr. Mamoru Kubota is greatly appreciated. Our gratitudes are also due to Drs. Kotaro T.Yamamoto, Satoru Tokutomi(National Institute for Basic Biology)and Dr. Yasunori Inoue (University of Tokyo) for helpful discussions. We greatly Thank Prof. Randy Wayne(Cornell University) for careful and critical reading of the manuscript. We thank Junko Watanabe for assistance in preparing the manuscript.