Search Results 1-20 of 616

  • A first-principles phase field method for quantitatively predicting multi-composition phase separation without thermodynamic empirical parameter

    Bhattacharyya Swastibrata , Sahara Ryoji , Ohno Kaoru

    … To design tailored materials, it is highly desirable to predict microstructures of alloys without empirical parameter. … Applying this method to Ni-Al alloys at 1027 °C, we succeed in reproducing evolution of microstructures as a function of only compositions without thermodynamic empirical parameter. … The resulting patterns including cuboidal shaped precipitations are in excellent agreement with the experimental microstructures in each region of the Ni-Al phase diagram. …

    Nature Communications (10), 3451, 2019-08-01

    IR 

  • Review and Empirical Research on Middle Leadership in Early Childhood Education and Care  [in Japanese]

    野澤 祥子 , 淀川 裕美 , 佐川 早季子 , 天野 美和子 , 宮田 まり子 , 秋田 喜代美

    … and then 3) to consider Japanese ECEC middle leader's recognition on their work through empirical research. … Second, as for empirical research, the difference of director's leadership and middle leader's leadership and their impact on process quality was examined based on a nation-wide questionnaire implemented in 2015. …

    東京大学大学院教育学研究科紀要 (58), 387-416, 2019-03-29

    IR  DOI 

  • Quantifying heterogeneous contact patterns in Japan : a social contact survey

    Munasinghe Lankeshwara , Asai Yusuke , Nishiura Hiroshi

    … BackgroundSocial contact surveys can greatly help in quantifying the heterogeneous patterns of infectious disease transmission. … By imposing several parametric assumptions for the next-generation matrix, the empirical seroepidemiological data of influenza A (H1N1) 2009 was analysed and we estimated the basic reproduction number, R-0.ResultsIn total, the reported number of contacts on weekdays was 10,682 whereas that on weekend days was 8867. …

    Theoretical biology and medical modelling (16), 6, 2019-03-20

    IR 

  • <論文>How Has Image of People with Dementia Emerged in Japan?: An Analysis of TV Documantary Program in the NHK Data Archives

    Iguchi Takashi

    … The empirical exploration of this changing trend is an important issue in sociology. … This paper explores the emerging patterns of representation of PWD on NHK TV documentary programs produced between 1980 and 2003. … Two representative descriptive patterns of the humanity of PWD were revealed in our research. …

    奈良女子大学社会学論集 (26), 84-98, 2019-03-15

    IR 

  • Flow field control in marine fish larviculture tanks: lessons from groupers and bluefin tuna in Japan

    Sakakura Y. , Yamazaki W. , Takakuwa Y. , Sumida T. , Takebe T. , Hagiwara A.

    … Flow field in a larviculture tank is often based on the empirical assumptions by fish culturists and science-based information had been very limited. … We have expanded our approach investigating the flow patterns in rectangular tanks by three dimensional two-phase aerated flow simulations, and found that velocity fields were different from those of cylindrical tanks. …

    Aquaculture (498), 513-521, 2019-01-01

    IR 

  • Empirical Study on the Rate of Return to Education in Japan:Focusing on the Trends and Differences in Lifestyle of Women  [in Japanese]

    Endo Satomi , Shima Kazunori

    … However, while men's educational investments have been actively studied, there are very few studies on women's educational investment, because women's work patterns are more diverse than those of men. …

    Journal of Household Economics 49(0), 41-56, 2019

    J-STAGE 

  • A Long-Term Field Observation of Systematic Behaviors of Multiple Longshore Bars  [in Japanese]

    YUHI Masatoshi , UMEDA Shinya

    … On Ishikawa Coast, representative spatial patterns during individual cycle are analyzed to describe the three-dimensional morphological evolutions. … Considerable changes in plan shape are observed such as quasi-regular crescentic patterns, parallel alignment of oblique bars, disconnection and realignment of bars. … The transition of the multiple sandbar systems is well reproduced by an empirical parametric model.</p> …

    JAPANESE JOURNAL OF MULTIPHASE FLOW 33(2), 162-169, 2019

    J-STAGE 

  • Causal Relationship Between FDI Flow and Technological Innovation in China and Japan

    Liu Chengkun , Zhang Xiuwu , Tamamine Takashi

    … The empirical results show that the one-way causality intensity of IFDI to technological innovation in China is weaker than that in Japan, but the FDI volatility in China is stronger than that in Japan. … The one-way causality intensity of OFDI to technological innovation are low both in China and Japan, and the patterns of long-term and short-term effects are not identical. …

    Journal of Advanced Computational Intelligence and Intelligent Informatics 23(3), 536-545, 2019

    J-STAGE 

  • Spatial Patterns of Winter Precipitation in the North-Central Region (Hokuriku District) of Japan

    Arai Kengo , Yasunaga Kazuaki

    … <p>This study examines dominant precipitation patterns during winter in the north-central region (Hokuriku District) of Japan, based on empirical orthogonal functions (EOFs) analysis. … It is suggested that interactions between cold air over the land and warm air over the ocean are essentially important to the distinct precipitation patterns; …

    SOLA 15(0), 80-86, 2019

    J-STAGE 

  • How are IF-Conditional Statements Fixed Through Peer

    UEDA Yuki , IHARA Akinori , ISHIO Takash , HIRAO Toshiki , MATSUMOTO Kenichi

    … We conduct an empirical study to understand if-statement changes through code review. … We also find project-specific fixing patterns for improving code readability by association rule mining. …

    2018-11-01

    IR 

  • (Section A: Planning Strategies and Design Concepts)

    Hu Di , Pai Jen-Te , Chen Yu-Yun

    … Due to global climate change, rainfall patterns have become more centralized and are causing serious damage more frequently and heavily. … Based on the framework, an empirical analysis was performed to analyse the key factors influencing decision-making of adaptive behaviours using multinomial logistic regression. … Furthermore, due to the interaction of environments, risk communication patterns and socioeconomic attributes, people from different communities have different adaptive behaviours. …

    International Review for Spatial Planning and Sustainable Development 6(4), 128-147, 2018-10-15

    IR  DOI 

  • Empirical analysis of working patterns of married women using panel data : Why did female employment rate rise?  [in Japanese]

    田中 裕美子

    下関市立大学論集 = Shimonoseki City University review 62(1), 35-53, 2018-05

    IR 

  • Reintegration of Sri Lankan Returnee Migrant Workers from South Korea

    Karunaratne Hettige Don , Abeygunawardana Kanaka

    … Then, it proceeds to review various theories and empirical evidences that are used to explain the success or failure of reintegration process. … The overall findings of this study challenge the popular understanding that unproductive investments and conspicuous consumption patterns breed the unequal relationship between the core (receiving countries) and the periphery (sending countries) forcing the returnees to re-migrate. …

    経済志林 = 経済志林 85(3), 65-94, 2018-03-23

    IR 

  • Potential of Genomic Selection in Mass Selection Breeding of an Allogamous Crop: An Empirical Study to Increase Yield of Common Buckwheat

    Yabe Shiori , Hara Takashi , Ueno Mariko , Enoki Hiroyuki , Kimura Tatsuro , Nishimura Satoru , Yasui Yasuo , Ohsawa Ryo , Iwata Hiroyoshi

    … No trait changed in an unintended direction in either GS or PS. The accuracy of genomic prediction models built in the first cycle decreased in the later cycles because the genetic bottleneck through the selection cycles changed linkage disequilibrium patterns in the breeding population. …

    Frontiers in Plant Science (9), 2018-03-21

    IR 

  • EFFECT OF VARIATION OF URBAN BLOCK PATTERNS ON VARIATION OF URBAN BLOCK SIZES:-Relaxation of square-grid block patterns  [in Japanese]

    USUI Hiroyuki

    … Since urban blocks are the geometrical inverse of road networks, urban block patterns are regarded as the results of plane tessellations by road networks. … However, we lack the theoretical basis for considering the effects of micro scale design (e.g. the edge length of an urban block and the length between the two consecutive intersections) on the macro scale design (urban block patterns and urban block sizes). …

    Journal of Architecture and Planning (Transactions of AIJ) (745), 475-482, 2018-03

    J-STAGE  AIJ 

  • Potential of Genomic Selection in Mass Selection Breeding of an Allogamous Crop: An Empirical Study to Increase Yield of Common Buckwheat

    Yabe Shiori , Hara Takashi , Ueno Mariko , Enoki Hiroyuki , Kimura Tatsuro , Nishimura Satoru , Yasui Yasuo , Ohsawa Ryo , Iwata Hiroyoshi , 大澤 良

    … No trait changed in an unintended direction in either GS or PS. The accuracy of genomic prediction models built in the first cycle decreased in the later cycles because the genetic bottleneck through the selection cycles changed linkage disequilibrium patterns in the breeding population. …

    Frontiers in plant science (9), 276, 2018-03

    IR 

  • Emergence of Leviathan : Monopolization of Violence in a Post-Colonial State

    Jonson N. Porteux

    … While often presented as an outlier case in terms of state emergence, the evidence suggests that the case of South Korea fits within the broader empirical patterns and experiences of Western polities, which in turn adds robustness to existing theory. …

    関西外国語大学研究論集 (107), 13-26, 2018-03

    IR 

  • An Empirical Analysis of the Hansards of the Legislatures in Semi-democracies : The Nigerian Senate's Responses to Incidents of Political Violence  [in Japanese]

    大林 一広 , 飯田 連太郎 , ルイス ジョナサン

    … An increasing number of studies of legislatures in established democracies are employing empirical analyses of Hansards. … In this study, we demonstrate the utility of the empirical analysis of Hansards as well as the challenges associated with it by analyzing the patterns of Nigerian senators' references to the incidents of political violence in the country. …

    一橋法学 17(1), 1-25, 2018-03

    IR  DOI 

  • A Study on the Core-Periphery Patterns by Analytically Solvable Multi-Regional New Economic Geography Model  [in Japanese]

    HINO Seiichi

    … However, these 2 frameworks create problems in the study of empirical research. … The 2-regional model is not good for research on core-periphery patterns of multi-regional transportation improvements. … In this study, I constructed a new economic geography model with 5 linear regions in a theoretical and analytically solvable framework and analyzed the core-periphery patterns across regions in transportation improvements for each link. …

    Studies in Regional Science 48(2), 263-276, 2018

    J-STAGE 

  • Equivalent Simple Model of Complicated Bypass Leakages in Scroll Compressor  [in Japanese]

    ANAMI Keiko , ISHII Noriaki , TSUJI Takuma

    … <p>This study presents a new idea for an empirical method to calculate the bypass leakage mass flow rate along the tip seal in scroll compressors. … The measured pressure decay characteristics were subsequently simulated using the Darcy-Weisbach equation with an empirical friction factor determined in our previous study for the leakage flow through axial clearances. …

    Transactions of the Japan Society of Refrigerating and Air Conditioning Engineers 35(1), 25, 2018

    J-STAGE 

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