Search Results 1-20 of 4968

  • Urbanization and Source of Running Water in Thimphu  [in Japanese]

    鈴木 秀和 , スズキ ヒデカズ , 佐藤 哲夫 , サトウ テツオ , 江口 卓 , エグチ タカシ , 高木 正博 , タカギ マサヒロ , 杉本 惇 , スギモト ジュン , Wangda Pema , Kaka , Suzuki Hidekazu , Satoh Tetsuo , Eguchi Takashi , Takagi Masahiro , Sugimoto Jun

    … The population of Thimphu City, the capital, increased by approximately 40% from 2005 to 2017 owing to rural-urban migration mainly consisting of the younger generation looking for jobs.<br>According to an analysis of the Population and Housing Census, the present population growth rate in Thimphu is moderate compared to other urban towns and its primacy is not significant in terms of national rank-size distribution. …

    地域学研究 = Regional views (34), 1-31, 2021-03


  • A Geographical Study of the Himalayan Towns of India <Article>

    PANT B.R. , CHAND Raghubir

    … An attempt has been made in this paper to analyze the population growth, population density, and sex ratio of a total of 540 urban centers/towns belonging to twelve states/ regions of the Indian Himalaya. … We analyze the population distribution, town distribution, growth of towns, density patterns of towns, sex composition, and status wise population based on the size class of towns as per the 2011 Census in particular. …

    Journal of Urban and Regional Studies on Contemporary India 7(2), 1-18, 2021-03

    IR  DOI 

  • Anemia as a risk factor for tuberculosis: a systematic review and meta-analysis

    Gelaw Yemataw , Getaneh Zegeye , Melku Mulugeta

    Environmental Health and Preventive Medicine 26(1), 2021-01-23


  • Detection and quantitative possibility of firefly larvae (<i>Luciola cruciata</i>) using environmental DNA analysis.  [in Japanese]

    WATANABE Ryo , NAKAO Kohei , HIRAISHI Yumiko , TSURI Kenji , YAMANAKA Hiroki , YUMA Masahide , MARUYAMA Atsushi

    <p>ゲンジボタル(<i>Luciola cruciata</i>)は,観光資源や環境指標種として注目されるが,近年,都市化などの人為的影響や大規模な出水による攪乱で個体数は減少しているとされる.保全に不可欠なゲンジボタルの個体数調査は,成虫を目視計数することが多く,幼虫の捕獲調査は破壊的であるため避けられている.本研究では,環境 DNA 分析用の種特異的なプラ …

    Ecology and Civil Engineering 23(2), 279-293, 2021


  • Population Attributable Fractions of Modifiable Risk Factors for Nonsyndromic Orofacial Clefts: A Prospective Cohort Study From the Japan Environment and Children's Study

    Sato Yukihiro , Minatoya Machiko , Bamai Yu Ait , Yamazaki Keiko , Itoh Sachiko , Miyashita Chihiro , Araki Atsuko , Kishi Reiko , the Japan Environment and Children’s Study (JECS) Group , Yoshioka Eiji , Saijo Yasuaki , Miyamoto Toshinobu , Sengoku Kazuo , Azuma Hiroshi , Tanahashi Yusuke , Ito Yoshiya , Kobayashi Sumitaka

    Population impact of modifiable risk factors on orofacial clefts is still unknown. … This study aimed to estimate population attributable fractions (PAFs) of modifiable risk factors for nonsyndromic cleft lip with or without cleft palate (CL±P) and cleft palate only (CP) in Japan.</p><p><b>Methods:</b> … We could not obtain PAFs for CP due to the small sample size.</p><p><b>Conclusions:</b> …

    Journal of Epidemiology 31(4), 272-279, 2021


  • Modern human DNA analyses with special reference to the inner dual-structure model of Yaponesian


    … Past population size change was estimated based on dataset 1, and we clearly observed a steep population increase after the Yayoi period. …

    Anthropological Science, 2021


  • Hypertension in Patients Hospitalized with COVID-19 in Wuhan, China:A Single-Center Retrospective Observational Study

    Zhang Yuan , Zeng Zhenhua , Sha Tong , Wu Feng , Hu Hongbin , Chen Zhongqing , Li Haijun , Han Jiafa , Song Wenhong , Huang Qiaobing

    … <p>It is unclear whether patients with hypertension are more likely to be infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) than the general population and whether there is a difference in the severity of coronavirus disease (COVID-19) pneumonia in patients who have taken ACEI/ARB drugs compared with those who have not.</p><p>This observational study included data from all patients with clinically confirmed COVID-19 admitted to Hankou Hospital, Wuhan, China, between January 5 and March 8, 2020. …

    International Heart Journal 62(2), 337-343, 2021


  • A STUDY ON THE FACTORS THAT INFLUENCE THE DIFFERENCE IN THE USAGE SITUATION OF CLOSED SCHOOLS:- In case of Aichi, Gifu, Mie, and Sizuoka prefecture -  [in Japanese]

    NOZAWA Hideki , TSUNEKAWA Kazuhisa , TATEBE Kenji

    … It is considered that it becomes "unused" when the intention of positive use is not yet determined, and "demolished" when it is properly judged according to the usage policy.</p><p> ・From the discriminant analysis, the facility size of the building specifications affected the difference in the usage situation at the beginning of Heisei. …

    Journal of Architecture and Planning (Transactions of AIJ) 86(781), 1033-1043, 2021


  • Comparison of service spheres of urban centers using wind rose and a note for road network evaluation  [in Japanese]

    TORIUMI Azusa

    <p>わが国においては,都市機能や生活機能が集積する拠点間を交通ネットワークで繋ぐ「コンパクト+ネットワーク」な国土構造の実現が重要とされており,道路ネットワークの評価においても,今後は,拠点配置との関係の考慮が求められる.しかしながら,都市拠点がカバーする圏域の大きさや形状は,地勢や人口分布状況などによって大きく異なる.本稿では,GIS を用いて公共施設等の位置情報から都市拠点を抽出 …

    SEISAN KENKYU 73(2), 125-130, 2021


  • Experimental analysis of number concentration and disruption rate of two-dimensionally distributed microcapsules  [in Japanese]

    SUGITA Naohiro , SHINSHI Tadahiko

    … The goal of this study is to evaluate the disruption rate of the polymer-shelled microcapsules as a function of the mean number concentration of the microcapsule population. … In the present study, we defined the disruption of a microcapsule as decapsulation of the shell layer followed by exposure of an internal gas bubble, growing to visually detectable size through mass diffusion. …

    Transactions of the JSME (in Japanese) 87(895), 20-00193-20-00193, 2021


  • Induction of Autotetraploidy in Bride Rose Poppy (<i>Papaver fugax</i> Poir.) by Colchicine Treatment of Seeds and Seedlings

    Ardabili Giti Sotoudeh , Zakaria Rasool Asghari , Zare Nasser , Namazi Leila Ghaffarzadeh

    … In order to determine the best method for the production of the autotetraploid population in this species, seeds and seedlings were treated with different colchicine concentrations (0, 0.05, 0.1, 0.2, and 0.5%) for 12, 24, and 48 h. …

    CYTOLOGIA 86(1), 15-19, 2021


  • Medical Care in Tokyo Remote Islands: Elucidating its Past, Present, and Future II. Issues Shared with Island Medical Institutions  [in Japanese]

    KOYAMA Shigeru

    … The Tokyo remote islands are classified into three types according to population size. … The islands have differences in population and age distribution, and securing transportation means is often difficult because of their distance. …

    The Journal of Island Studies 22(1), 1-13, 2021


  • Cutting-Edge Technologies for Gastrointestinal Therapeutic Endoscopy

    Goto Osamu , Koizumi Eriko , Higuchi Kazutoshi , Noda Hiroto , Onda Takeshi , Omori Jun , Kaise Mitsuru , Iwakiri Katsuhiko

    … Endoscopic submucosal dissection (ESD) is considered the gold standard curative method for removal of gastrointestinal node-negative neoplasms, regardless of their size or the presence of ulcer formation. … With the aging of the population, more attention will be directed toward therapeutic endoscopy for elderly patients, because it is less invasive. …

    Journal of Nippon Medical School 88(1), 17-24, 2021


  • Identification of Genetic Factors Affecting Fruit Weight in the Tomato (<i>Solanum lycopersicum</i> L.) Cultivar 'Micro-Tom'

    Takisawa Rihito , Nishida Atsushi , Maai Eri , Nishimura Kazusa , Nakano Ryohei , Nakazaki Tetsuya

    population derived from 'Micro-Tom' and 'MPK-1', a mid-size tomato cultivar. … population showed a continuous and transgressive segregation in terms of fruit weight, suggesting that the fruit weight was regulated by multiple loci. … population and showed that it regulates fruit weight without affecting locule number. … reduced vegetative size, suggesting that <i>qfw4.1</i> …

    The Horticulture Journal, 2021


  • Elucidation of Flow Characteristics in Honeycomb Structure for Nanobubble Generating Apparatus  [in Japanese]

    NODA Nao-Aki , TAKATA Kakeru , KAWANO Ryo , ZHAI Hongfang , SANO Yoshikazu , TAKASE Yasushi , YONEZAWA Yuji , UMEKAGE Toshihiko , TANAKA Hiroyuki

    … In this paper, numerical simulations are performed for bubbly flow in the honeycomb structure by applying a computational fluid dynamics (CFD) coupled with a population balance model (PBM). … The numerical model is based on the Eulerian multiphase model and the PBM was used to calculate the gas bubble size distribution considering the bubble coalescence and breakage. …



  • Changes in Population Structure of the Freshwater Turtle <i>Mauremys japonica</i> Following the Invasion of Feral Raccoon <i>Procyon lotor</i> in the Southern Tip of the Boso Peninsula, Japan

    KAGAYAMA Shawichi , SHIMOFUJI Akira , OHTAKE Kaiya , SHISHIKURA Shinichiro , OGANO Daiichi , HASEGAWA Masami

    … <p>The raccoon (<i>Procyon lotor</i>) was introduced to Japan from North America, and has been implicated in the population declines or local extinctions of native freshwater turtles. … The study revealed a steady decline in turtle population size, along with changes in age structure, characterized by a skew toward older age classes. …

    Current Herpetology 40(1), 22-39, 2021


  • Ecological Traits of a Common Japanese Pit Viper, the Mamushi (<i>Gloydius blomhoffii</i>), in Kyoto, with a Brief Geographic Comparison

    MORI Akira

    … Sexual size dimorphism in snout-vent length, tail length, and body mass showed the same trends as in other areas. … Parturition period, litter size, and body size of neonates generally overlapped with those reported in previous studies. … Although the forest in Ashiu has been incurred drastic environmental degradation, no obvious change in body size was detected over the study period. …

    Current Herpetology 40(1), 92-102, 2021


  • A systematic review of food frequency questionnaire developed for Japanese and examined the validity  [in Japanese]

    KAMEDA Saki , SUDO Noriko

    … It is necessary to use a FFQ that is tailored to the target population and validated, but it is difficult to exhaustively search for the FFQ that could be used in your research. … For food groups, more FFQ were validated for the foods that can be easily showed and answered their portion size, such as fruit and milk.</p> …

    Japanese Journal of Health and Human Ecology 87(1), 3-14, 2021


  • Seasonal variability in fecundity and egg size in the porcellanid crab <i>Petrolisthes japonicus</i> (Decapoda: Anomura: Porcellanidae)

    Hamasaki Katsuyuki , Ishii Minako , Dan Shigeki

    … <p>We investigated the seasonal variability in fecundity and egg size in a <i>Petrolisthes japonicus</i> … population by monthly sampling for one year on an intertidal cobble and boulder shore on the Boso Peninsula, Japan. … Fecundity was positively correlated with female body size and found to be greater in the middle breeding period than in the early and late breeding periods. … Egg size decreased linearly from the early to the late breeding periods. …

    Crustacean Research 50(0), 17-27, 2021


  • GROUPING PROVINCIAL SAME-SIZED CITIES BY POPULATION DISTRIBUTION PATTERNS AND EVALUATING THEIR URBAN STRUCTURE:−For making planning guidelines for adapting depopulation society in each city group−  [in Japanese]

    TAMURA Shota , TANAKA Takahiro

    … <p>The "Handbook on Evaluation of Urban Structure" suggests that city issues can be identified by comparing the urban structure evaluation indexes of cities with similar population sizes. … However, our earlier research indicates another criterion to extract finer tasks: population distribution. … Therefore, after categorizing cities of equal population size using population distribution indexes, we evaluated their urban structures. …

    AIJ Journal of Technology and Design 27(65), 487-492, 2021


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