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| 1 | A numerical study of summer ozone concentration over the Kanto area of Japan using the MM5/CMAQ model显示文摘We assessed the ability of the MM5/CMAQ model to predict ozone (O 3) air quality over the Kanto area and to investigate the factors that affect simulation of O 3.We find that the coupled MM5/CMAQ model is a useful tool for the analysis of urban environmental problems.The simulation results were compared with observational data and were found to accurately replicate most of the important observed characteristics.The initial and boundary conditions were found to have a significant effect on simulated O3 concentrations.The results show that on hot and dry days with high O3 concentration,the CMAQ model provides a poor simulation of O3 maxima when using initial and boundary conditions derived from the CMAQ default data.The simulation of peak O3 concentrations is improved with the JCAP initial and boundary conditions.On mild days,the default CMAQ initial and boundary conditions provide a more realistic simulation.Meteorological conditions also have a strong impact on the simulated distribution and accumulation of O3 concentrations in this area.Low O3 concentrations are simulated during mild weather conditions,and high concentrations are predicted during hot and dry weather.By investigating the effects of different meteorological conditions on each model process,we find that advection and diffusion differ the most between the two meteorological regimes.Thus,differences in the winds that govern the transport of O3 and its precursors are likely the most important meteorological drivers of ozone concentration over the central Kanto area. | Mai Khiem Ryozo Ooka Hong Huang Hiroshi Hayami | 2011 | Journal of Environmental Sciences2011，23，2： | 12 |
| 2 | Control of Secondary Flow in a Low Solidity Circular Cascade Diffuser显示文摘According to the previous experimental works on the low solidity circular cascade diffuser (LSD), a pressure recovery of a centrifugal blower was improved by the LSD significantly in a wide range of flow rate, and the pres-sure recovery was improved further by the LSD with a tandem cascade in comparison with the LSD with a sin-gle-row cascade. In the present study, the flow behavior in the LSD with the tandem cascade has been analyzed numerically by using the commercial CFD code of ANSYS-CFX12. It was shown clearly that the higher pressure recovery was achieved by applying the LSD with the tandem cascade, and the high pressure recovery is based on the high pressure rise in the vaneless space upstream of the LSD and the high blade loading of the front blade of the LSD. The high pressure recovery in the LSD could be achieved by controlling the flow separation on the suc-tion surface of the front blade and also on that of the rear blade due to formation of the favorable secondary flow and due to increase in mass flow passing through the slit section between the front and rear blades. | Daisaku Sakaguchi Takuji Fujii Hironobu Ueki Masahiro Ishida Hiroshi Hayami | 2012 | Journal of Thermal Science2012，21，4： | 5 |
| 3 | The Economics and Politics of Rice Export Taxation in Thailand: A Historical Simulation Analysis, 1950 1985显示文摘 | Choeun H Yoshihisa G Hayami Y | 2006 | (17): 103-1252006，，17： | 1 |
| 4 | Canal configuration of the mesiobuccal root of the maxillary first molar of a Japanese sub-population显示文摘 | Weine FS Hayami S Hata G | 1999 | Int Endod J1999，32，2： | 1 |
| 5 | Characterization of articular cartilage and subchondral bone changes in the rat anterior cruciate ligament transection and meniscectomized models of osteoarthritis显示文摘 | Hayami T Pickarski M Zhuo Y | 2006 | Bone2006，38，2： | 1 |
| 6 | The Intercountry Agricultural Production Function and Productivity Differences Among Countries 显示文摘 | Kawagoe T Hayami Y Ruttan V W | 1985 | Journal of Development Economics1985，19，1： | 1 |
| 7 | A simple acceleration technique of Levenberg-Marquardt method显示文摘 | Sakamoto H Kuwahara A Hayami Y | 2002 | International Symposium on Nonlinear Theory and Its Applications2002，，9： | 1 |
| 8 | Factor Prices and Technical Change in Agricultural Development: The United States and Japan, 1880 - 1960显示文摘 | Hayami Y Ruttan V W | 1970 | The Journal of Political Economy1970，78，5： | 1 |
| 9 | The role of subchondral bone remodeling in osteoarthritis reduction of cartilage degeneration and prevention of osteophyte formation by alendronate in the rat anterior crueiate ligament transaction model 显示文摘 | Hayami T Pickarski M Wesolowski GA | 2004 | Arthritis Rheum2004，50，： | 1 |
| 10 | Efficiency and Equity in Public Research: Rice Breeding in Japan's Economic Development显示文摘 | Masakatsu Akino and Yujiro Hayami | 1975 | American Journal of Agricultural Economies1975，57，4： | 1 |
| 11 | Change in caspase-3-like protease in the liver and plasma during liver regeneration following partial hepatectomy显示文摘 | Hayami S Yaita M Ogiri Y | 2000 | Biochem Pharmacol2000，60，： | 1 |
| 12 | Characterization of articular cartilage and sub - chondral bone changes in the rat anterior cruciate ligament transection and meniscectomized models of osteoarthritis显示文摘 | Hayami T Piekarski M Zhuo Y | 2006 | Bone2006，38，： | 1 |
| 13 | An intercountry comparison of agricultural production efficiency,American显示文摘 | KAWAGOE T HAYAMI Y | | 0，，： | 1 |
| 14 | Acarbose-induced generalised erythema multiforme显示文摘 | Kono T Hayami M Kobayashi H | 1999 | Lancet1999，354，7： | 1 |
| 15 | Relation between aging and circadian variation of paroxysmal atrial fibrillation显示文摘 | Murakawa Y Hayami N et a1 | 1998 | Am J Cardiol1998，82，： | 1 |
| 16 | The role of subchondral bone remodeling in osteoarthritis: reduction of cartilage degeneration and prevention of oste~phyte formation by alendronate in the rat anterior cruciate ligament transection model 显示文摘 | Hayami T Pickarski M Wesolowski GA | 2004 | Arthritis Rheum2004，50，4： | 1 |
| 17 | Sources of agricultural productivity gap among selected countries显示文摘 | Hayami Y | 1969 | American Journal of Agricultural Economics1969，51，： | 1 |
| 18 | Short-term effects of rapid pacing on mRNA level of voltage-dependent K^+ channels in rat atrium显示文摘 | Yamashita R Murakawa Y Hayami N | 2000 | Circulation2000，101，16： | 1 |
| 19 | Agricultural productivity differences among countries显示文摘 | Hayami Y Ruttan V W | 1970 | American Economic Review1970，40，： | 1 |
| 20 | Efficiency and Equity in Public Re- search:Rice Breeding in Japan' s Economic Development 显示文摘 | Akino M Hayami Y | 1975 | American Journal of Agricultural Economics1975，，57： | 1 |
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