Y. Kikuchi

ORCID: 0000-0003-3382-6557
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About
Contact & Profiles
Research Areas
  • Wind Energy Research and Development
  • Geotechnical Engineering and Soil Stabilization
  • Fluid Dynamics Simulations and Interactions
  • Vibration and Dynamic Analysis
  • Nuclear reactor physics and engineering
  • Wave and Wind Energy Systems
  • Grouting, Rheology, and Soil Mechanics
  • Power System Reliability and Maintenance
  • Neuroscience and Neuropharmacology Research
  • Nuclear physics research studies
  • Marine Biology and Ecology Research
  • Meteorological Phenomena and Simulations
  • Nuclear Materials and Properties
  • Geotechnical Engineering and Underground Structures
  • Nuclear Physics and Applications
  • Earthquake and Tsunami Effects
  • Wind and Air Flow Studies
  • Fluid Dynamics and Vibration Analysis
  • Structural Engineering and Vibration Analysis
  • Radiative Heat Transfer Studies
  • Geotechnical and construction materials studies
  • Earthquake and Disaster Impact Studies
  • Materials Engineering and Processing
  • Energy Load and Power Forecasting
  • Geotechnical Engineering and Soil Mechanics

Okayama Prefecture
2024

The University of Tokyo
2012-2024

Hiroshima University Hospital
2023-2024

Bunkyo University
2021

Akita University
2014

Port and Airport Research Institute
2001-2010

Hokkaido University
2008

Nagase (Japan)
2006

Ministry of Land, Infrastructure and Transport
2001

National Defense Medical College
1987-1992

Abstract The costs of wind power have declined to levels on par with or below those conventional sources in many parts the world. Wind has become one fastest‐growing new electricity generation. We take stock cost evolution over past 20 years, review methodologies commonly used for assessment, discuss potential continued reduction, and identify anticipated value drivers. Our scope includes both onshore offshore technologies. draw from a vast body literature these topics highlight key trends,...

10.1002/wene.398 article EN Wiley Interdisciplinary Reviews Energy and Environment 2021-03-31

We describe electroencephalography (EEG) abnormalities and seizures associated with clozapine treatment in Japanese patients schizophrenia retrospectively compare EEG results total Positive Negative Syndrome Scale (PANSS [T]) scores before after treatment.Twenty-six treatment-resistant were enrolled this study. measurements obtained prior to every 4 weeks thereafter. also at the time of seizure. After or noted, additional EEGs performed 2 weeks. PANSS (T) used determine outcome.All 26 had...

10.2147/ndt.s69784 article EN cc-by-nc Neuropsychiatric Disease and Treatment 2014-10-01

Abnormalities in plasma composition of essential fatty acids (EFAs) may be associated with the etiology pruritus and other skin problems patients undergoing hemodialysis. To study whether an oral supplementation ω–6 (n–6) EFAs would restore deranged ameliorate symptoms, 9 7 dialysis were randomly assigned to receive either γ-linolenic acid (GLA)-rich evening primrose oil (EPO) or linoleic (LA) (2 g/day each) for 6 weeks. Plasma concentrations EFA analyzed by gas chromatography uremic...

10.1159/000045271 article EN ˜The œNephron journals/Nephron journals 1999-01-01

This study aimed to clarify upscaling and levelized cost of energy for offshore wind turbines supported by semi-submersible floating platform. Firstly, the rules turbines, floaters mooring lines are investigated, procedure is proposed based on construction constraints static balance. Then, floater models upscaled 5, 10 MW 2 turbine designed in Fukushima FORWARD project. By performing dynamic analyses, it found that, kinematic law satisfied heave direction relaxed surge pitch direction. The...

10.1088/1742-6596/1356/1/012033 article EN Journal of Physics Conference Series 2019-10-01

10.1016/0017-9310(85)90119-x article EN International Journal of Heat and Mass Transfer 1985-06-01

We make a systematic study of Li isotopes (A=9,10,11) in the tensor optimized shell model for 9Li and treat additional valence neutrons cluster approach by taking into account Pauli-blocking effect caused pairing correlations. describe correlations fully tensor-optimized model, where variation size parameters single particle orbits is essential getting strong have shown our previous that $^{10,11}$Li are Pauli-blocked neutrons, which p-shell configurations pushed up energy. As result, $s^2$...

10.1143/ptp.119.561 article EN Progress of Theoretical Physics 2008-04-01

Lineage commitment of stem cells is mainly regulated by their microenvironments, which comprise soluble growth factors, extracellular matrix, mechanical forces, and cell density. Although numerous studies have investigated response to these factors in two-dimensional (2D) culture, little known about that 3D culture. Here, we studied effects accumulation levels on the differentiation behavior mesenchymal (MSCs) using a micropatterned surface. After induction 3D-cultured MSCs surface,...

10.1021/acsami.6b15688 article EN ACS Applied Materials & Interfaces 2017-03-01

In this study, offshore wind climate assessments are carried out by using mesoscale model Weather Research and Forecasting (WRF) validated measurement at a demonstration site located 3.1 km of Choshi. An optimal nudging method is investigated meteorological observations. The land-use datasets then created from higher-resolution data maximum area sampling scheme according to the horizontal resolution model. Finally, sea surface temperature corrected observation data. It found that relative...

10.3390/atmos11040379 article EN cc-by Atmosphere 2020-04-13

Wound-healing factors secreted from mesenchymal stem cells (MSCs) modulate the immune response and facilitate proliferation of neighboring cells. Although in vitro three-dimensional (3D) culture techniques have improved therapeutic potential MSCs, no studies focused on effects cell aggregation alone. In this study, effect up-regulation wound-healing proteins secretions was investigated by constructing small spheroids human adipose-derived (hADSCs) a micropatterned surface. These were mostly...

10.1111/gtc.12448 article EN Genes to Cells 2016-11-09

BACKGROUND: Ketamine is an intravenous anesthetic that acts as a channel blocker on the N-methyl- d -aspartate (NMDA) receptor, glutamate receptor subtype. MK-801 most potent compound among noncompetitive NMDA antagonists. induces loss of righting reflex (LORR) in rodents, which one indicators unconsciousness, whereas high doses produce ataxia, but not LORR. In contrast, we previously reported combined with low dose dopamine antagonist haloperidol-induced LORR mice. To assess...

10.1213/ane.0000000000006900 article EN cc-by-nc-nd Anesthesia & Analgesia 2024-02-20

10.1016/0029-5493(81)90165-5 article EN Nuclear Engineering and Design 1981-09-01

In this study, the availability and levelized cost of energy (LCOE) are investigated considering failure rate downtime for onshore wind turbines in Japan. The mode effect analysis is conducted using turbine database collected by New Energy Industrial Technology Department Organization (NEDO). normalized between Europe Japan comparable. occurrence similar Japan, but much longer than that Europe. Three cost-reduction scenarios then proposed to improve reduce LCOE assumed each based on industry...

10.3390/en14123528 article EN cc-by Energies 2021-06-14

In this study, numerical simulations for winds and waves were carried out using WRF WW3 the predicted wind speed, wave height period validated with measurement. Annual average values of absolute monthly error 4.30%, 12.3% 7.8%. The prediction accuracy improved by bias modification in region low short period. Predicted seasonal frequency distributions showed good agreement measurements. criteria experienced construction methods investigated at Choshi Kitakyushu farm sensitivity environmental...

10.1088/1742-6596/753/9/092016 article EN Journal of Physics Conference Series 2016-09-01

Abstract Spar, semisubmersible and barge platforms are modelled based on the full-scale demonstration projects in Japan for a generic 5 MW turbine. Three evaluated with structural stability parameters. The characteristic of floater motions mooring forces clarified by performing dynamic analysis. responses validated water tank tests. levelized cost energy is assessed using engineering model.

10.1088/1742-6596/1452/1/012035 article EN Journal of Physics Conference Series 2020-01-01

球函数表示を用いると,格子点による方法に伴うような空間誤差は存在しないので,将来,長期予報に役立つと思う。もちろん,それはそれなりに厄介な問題もあるが,ここでは一応,北半球順圧予報方式の技術的説明,誤差分布からみて妥当と思われる波数の決定,2つの波が干渉して1つの波を作るとき用いられる Interaction Functionsの計算法および球函数への分解法を呈出し,あわせて1つの予報例に基づき,f∇2ψ=∇2Zの変換の問題などを見た。なお,相関係数は0.73程度,全運動エネルギーの時間変動は0.18%に過ぎなかった。

10.2467/mripapers1950.12.3-4_199 article JA Papers in Meteorology and Geophysics 1961-01-01

Pentobarbital-induced anesthesia is believed to be mediated by enhancement of the inhibitory action γ-aminobutyric acid (GABA)ergic neurons in central nervous system. However, it unclear whether all components induced pentobarbital, such as muscle relaxation, unconsciousness, and immobility response noxious stimuli, are only through GABAergic neurons. Thus, we examined indirect GABA glycine receptor agonists gabaculine sarcosine, respectively, neuronal nicotinic acetylcholine antagonist...

10.1016/j.neulet.2023.137175 article EN cc-by Neuroscience Letters 2023-03-11

10.1016/0029-5493(83)90080-8 article EN Nuclear Engineering and Design 1983-04-01
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