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Fog simulation using a mesoscale model in and around the Yodo River Basin,Japan

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Journal of Environmental Sciences 2008年第7期20卷 838-845页

作者： HIKARI Shimadera KUNDAN Lal Shrestha akira kondo AKIKAZU Kaga YOSHIO Inoue Graduate School of Engineering Osaka UniversityYamada-oka 2-1SuitaOsaka 565-0871Japan.

In this study,fog simulations were conducted using the Fifth-Generation NCAR/Penn State Mesoscale Model (MM5) in and around the Yodo River Basin,*** purpose is to investigate the MM5 performance of fog simulation for long-term *** simulations were performed for January,February,March,and July,2005 with a coarse 3-kin and a nested fine 1-km grid domains. Results of the simulations were compared with data from ten meteorological observatories,fog sampling site in ***,and visibility measurem...

关键词： fog simulation the Fifth-Generation NCAR/Penn State Mesoscale Model (MM5) model evaluation occurrence of fog liquid water content

Investigation of air pollution concentration in Kathmandu valley during winter season

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Journal of Environmental Sciences 2005年第6期17卷 1008-1013页

作者： kondo akira KAGA Akikazu IMAMURA Kiyoshi INOUE Yoshio SUGISAWA Masahiko SHRESTHA Manohar Lal SAPKOTA Balkrishan Graduate School of Engineering Department of Environmental Engineering Osaka University JapanGraduate School of Engineering Department of Environmental Engineering Osaka University JapanEnvironmental Pollution Control Center Osaka Prefecture JapanGraduate School of Engineering Department of Environmental Engineering Osaka University JapanGraduate School of Engineering Department of Environmental Engineering Osaka University JapanGraduate School of Engineering Department of Environmental Engineering Osaka University JapanInstitute of Engineering Pulchok Tribhuvan University Nepal

The monthly concentrations of NO2, NOx, SO2 and O3 measured by a passive sampler from February 2003 to January 2004 showed that the air pollution during the winter season in Kathmandu valley was higher than the summer season. The O3 level was found the highest during April, May and June due to strong radiation. The hourly concentrations of NO2, NOx, O3 and suspended particulate matter（SPM） were also measured by automatic instruments on December 2003. Temperature at the height of 60 m and 400 m at Raniban Mountain in the northwest of Kathmandu valley was measured on February 2001 in the winter season and the average potential temperature gradient was estimated from observed temperature. Wind speed was also measured at the department of hydrology, airport section, from 18 February to 6 March 2001. It was found that the stable layer and the calm condition in the atmosphere strongly affected the appearance of the maximum concentrations of NO2 and SPM in the morning, and that the unstable layer and the windy condition in the atmosphere was considerably relevant to the decrease of air pollution concentrations at daytime. The emission amounts of NOx, HCs and total suspended particle（TSP） from transport sector in 2003 were estimated from the increasing rate of vehicles on the basis of the emission amounts in 1993 to be 3751 t/a, 30570 t/a and 1317 t/a, respectively. The diurnal concentrations in 2003 calculated by the two-layers box model reproduced the characteristics of air pollution in Kathmandu valley such as the maximum value of O3 and its time, the maximum value of NO in the morning, and the decrease of NO and NO2 at daytime. The comparison with the concentrations in 1993 calculated suggested that the main cause of air pollution was the emission from transport sector.

关键词： air pollution concentration Kathmandu vallay box model

Impacts of converting from leaded to unleaded gasoline on ambient lead concentrations in Jakarta metropolitan area

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Journal of Environmental Sciences 2007年第6期19卷 709-713页

作者： akira kondo Esrom HAMONANGAN Satoshi SODA Akikazu KAGA Yoshio INOUE Masaharu EGUCHI Yuta YASAKA Graduate School of Engineering Osaka UniversityYamada-oka 2-1Suita Osaka 565-0871Japan Environmental Management Center Komplek PUSPIPTEKJI.RayaPuspiptekSerpong Bantan 15314Indonesia Research Center for Environmental Preservation Osaka University Yamada-oka 2-1SuitaOsaka 565-0871Japan

Total suspended particulate mater （TSP） concentrations were monitored for one year from July 2000 and for one year from April 2003 in Jakarta City. Thirteen elemental TSP components, aluminum （Al）, sodium （Na）, iron （Fe）, lead （Pb）, potassium （K）, zinc （Zn）, titanium （Ti）, manganese （Mn）, bromine （Br）, copper （Cu）, chromium （Cr）, nickel （Ni）, and vanadium （V） were analyzed by a sequential X-ray fluorescence spectrometer. Al, Na, Fe, K, and Pb were major components at most of the sampling locations in 2000. However, only Pb in 2003 dramatically decreased to one tenth. The phase-out of leaded gasoline began on July 1, 2001 in Jakarta City and lead content in gasoline decreased to one tenth, too. The decrease in Pb concentration was a result of the phase-out of leaded gasoline, as lead emissions mainly are exhaust gas from vehicles.

关键词： TSP concentration lead concentration unleaded gasoline

Fabrication and modelling of Si_(3)N_(4)ceramics with radial grain alignment generated through centripetal sinter-forging

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Journal of Materials Science & Technology 2022年第31期126卷 1-14页

作者： Da-Wang Tan Zhen-Yong Lao Wei-Ming Guo akira kondo Takahiro Kozawa Makio Naito Kevin Plucknett Hua-Tay Lin Department of Electromechanical Engineering Guangdong University of TechnologyGuangzhou 510006China Joining and Welding Research Institute Osaka University11-1 MihogaokaIbarakiOsaka 567-0047Japan Department of Mechanical Engineering Dalhousie UniversityHalifaxNova Scotia B3H 4R2Canada

Silicon nitride(Si_(3)N_(4))based ceramics are one of the most attractive advanced engineering materials,which have been widely used under high-speed rotational operation or for mechanical contacts across a curved *** the present study,rotationally symmetric texturing of Si_(3)N_(4),with radial grain align-ment,was obtained by centripetal sinter-forging(CSF)of a partially sintered *** average values of the included angles between the c-axis of the local Si_(3)N_(4)grain and radial direction were approxi-mately 16.4°and 11.0°,on the section plane perpendicular to the pressing direction,and parallel to both the pressing and radial directions,*** compressive strain in the pressing direction forced the ceramic body to flow towards the central axis,resulting in compressive strain in the tangential di-rection and tensile strain in the radial direction.A fundamental physical model was created to simulate the grain rotation during the 3-dimentional strain reorientation,which revealed the rod-like grain would preferentially rotate toward the center of the sample under the CSF *** addition,due to the fric-tion between the sample surface and the pressing punch,the increased shear strain could enhance the Si_(3)N_(4)grain ***,ceramics with rod-like grains perpendicular to the curved side sur-face could be anticipated by applying the centripetal forming concept in a controlled manner.

关键词： Si_(3)N_(4)ceramic Texture Radial grain alignment Modeling CSF

中日金融合作与一体化：亚洲两大强国经济接轨的远见、受益与成果

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中日金融合作与一体化：亚洲两大强国经济接轨的远见、受益与成果

作者： akira kondo（近藤阳）复旦大学

学位级别：硕士

中国和日本已经跻身亚洲数一数二的经济强国,也是继美国之后的全球第二、第三大经济体。经历了亚洲经融危机的洗礼,两个国家已经意识到了区域经济合作的重要性。而现在,中日的双边经济合作已经走上了两国甚至亚洲经济发展的舞台中心。目... 详细信息

中国和日本已经跻身亚洲数一数二的经济强国,也是继美国之后的全球第二、第三大经济体。经历了亚洲经融危机的洗礼,两个国家已经意识到了区域经济合作的重要性。而现在,中日的双边经济合作已经走上了两国甚至亚洲经济发展的舞台中心。目前,中国和日本已经承担起了东盟百分之八十的责任。因此,它们之间的非凡合作,不仅对于这两个国家,甚至整个亚洲,都具有非同寻常的意义。基于对于整个亚洲地区的统一立场,中国和日本应该在金融领域进一步合作,继续推动贸易和投资。我的研究表明,中国和日本之间的金融合作对于整个经济的影响是正面的。正在进行的这些双边合作已经在缓解外汇交易风险、资产多元化配置以及降低交易成本等方面取得了成效。因此,中国和日本应该加强合作,进一步整合包括跨境交易,货币交易所和证券市场在内的环球金融领域。本文描述了中日金融合作的重要性,并阐述了其细节以及对未来发展的影响。

关键词：中国日本东盟经济合作一体化外商直接投资

Modulatory effects of Bifidobacterium longum BB536 on defecation in elderly patients receiving enteral feeding

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World Journal of Gastroenterology 2013年第14期19卷 2162-2170页

作者： Junko kondo Jin-Zhong Xiao akira Shirahata Mieko Baba Akie Abe Koichi Ogawa Taeko Shimoda Kitakyushu Hospital Group Food Science and Technology Institute Morinaga Milk Industry Co.Ltd. Clinico Co.Ltd. Division of Medical Nutrition Faculty of HealthcareTokyo Healthcare University

AIM:To investigate the effects of the probiotic Bifidobacterium longum BB536 on the health management of elderly patients receiving enteral ***:Two double-blind,placebo-controlled trials were performed with long-term inpatients receiving enteral tube feeding at Kitakyushu Hospital Group,Fukuoka,***536 was administered as BB536-L and BB536-H powders that contained approximately 2.5 × 10 10 and 5 × 10 10 cfu of BB536,*** the first trial,83 patients(age range:67-101 years) were randomized into 2 groups that received placebo(placebo group) or BB536-H(BB536 group) *** the second trial,123 patients(age range:65-102years) were randomized into 3 groups,and each group received placebo(placebo group),BB536-L(BB536-L group),or BB536-H(BB536-H group) *** patient received the study medication for 16 wk after 1 wk of *** samples were collected from each patient prior to and after the intervention during Trial *** observations included body temperature,occurrence of infection,frequency of defecation,and fecal ***:No significant changes were observed in the frequency of defecation for either treatment in Trial ***,a significant change was noted in the BB536-L group(P = 0.0439) in Trial 2 but not in the placebo or BB536-H *** analyses based on the frequency of defecation for each patient during the pre-observation period for both trials revealed significant increases in bowel movements in patients with a low frequency of defecation and significant decreases in the bowel movements of patients with a high frequency of defecation during the intervention period in the BB536 *** combination of Trials 1 and 2 data revealed a modulatory effect of BB536 ingestion on the changes in bowel *** increased bowel movements were observed in patients in the low frequency subgroup with significant intergroup differences(P < 0.01).Significantly decreased bowel movements wer

关键词： Probiotics Bifidobacterium longum BB536 Elderly Defecation

Curative resection with endoscopic submucosal dissection of early gastric cancer in Helicobacter pylori-negative Ménétrier’s disease:A case report

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World Journal of Gastroenterology 2022年第5期28卷 594-601页

作者： Koh Fukushi Kenichi Goda Hitoshi Kino Masayuki kondo Mimari Kanazawa Ken Kashima akira Kanamori Keiichiro Abe Tsunehiro Suzuki Keiichi Tominaga Hidetsugu Yamagishi Atsushi Irisawa Department of Gastroenterology Dokkyo Medical UniversityMibu 321-0293TochigiJapan Department of Diagnostic Pathology Dokkyo Medical UniversityMibu 321-0293TochigiJapan

BACKGROUND Adult-onset Ménétrier’s disease is strongly associated with Helicobacter pylori(***)infection and an elevated risk of *** of early-stage gastric cancer developed in ***-negative Ménétrier’s disease are extremely *** report a case of early gastric cancer in ***-negative Ménétrier’s disease that was curatively resected with endoscopic submucosal dissection(ESD).CASE SUMMARY A 60-year-old woman was referred to our hospital after her medical examination detected ***-enhanced upper gastrointestinal(UGI)radiography revealed translucency of the nodule-aggregating surface with giant *** tests showed hypoproteinemia and were negative for serum *** immunoglobulin G *** 99mTc-DTPA-human serum albumin scintigraphy showed protein loss from the *** endoscopy showed a 40-mm protruding erythematous lesion on giant rugae of the greater curvature of lower gastric body,suggesting early-stage gastric cancer due to Ménétrier’s *** bloc resection with ESD was performed for diagnosis and *** of ESD showed well-differentiated tubular *** cancer was confined to the mucosa,and complete curative resection was *** hyperplasia and atrophy of the gastric glands were observed in non-tumor areas,histologically corresponding to Ménétrier’s *** years after ESD,gastric cancer had not recurred,and Ménétrier’s disease remained in remission with spontaneous regression of giant gastric *** Complete curative resection was achieved through ESD in a patient with earlystage gastric cancer and ***-negative Ménétrier’s disease.

关键词： Ménétrier’s disease Helicobacter pylori Gastric cancer Endoscopic resection Endoscopic submucosal dissection Case report

Ride the wind,cleave the waves,and set sail to cross the sea——A newfound journal,a new platform,and a new hope

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Translational Neuroscience and Clinics 2015年第1期1卷 1-2页

作者： Huancong Zuo akira Teramoto Yuqi Zhang Tatsuya kondo Tsinghua University Yuquan Hospital Nippon Medical School Pharmaceuticals and Medical Devices Agency(PMDA)

Taking the first step is as good as being half *** congratulations and wishes for the success of this newly founded *** thanks to Ihe Chinese and international editorial board,reviewers,editorial staff,friends of the ... 详细信息

关键词： Ride the wind,cleave the waves,and set sail to cross the sea A newfound journal,a new platform,and a new hope

The century of neuroscience

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Translational Neuroscience and Clinics 2015年第2期1卷 73-74页

作者： akira Teramoto Huancong Zuo Yuqi Zhang Tatsuya kondo Nippon Medical School Department of Neurosurgery Tsinghua University Yuquan Hospital Pharmaceuticals and Medical Devices Agency (PMDA)

A new journal entitled Translational Neuroscience and Clinics first appeared in September *** main purpose is to publish articles focusing on information derived from human experimentation so as to optimize the commun... 详细信息

关键词： The century of neuroscience