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RISS 인기검색어
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- 저자 : ( Yoshio Nakagawa ) (검색결과 4 건)
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敎室文化の多樣化と「いい授業」觀 -韓國の日本語學習者が考える「いい授業」-
( Yoshio Nakagawa ),( Takuma Nagahama ),( Kaori Ishii ) 한국일본어교육학회 2011 日本語敎育 Vol.55 No.-
日本語學習者にとっての「いい授業」とはどんなものであろうか。もし、「いい授業」が存在するなら、日本語敎員養成課程では、それができる敎員を養成し、すでに敎壇に立っている全ての日本語敎員もそれを目指さなければならない。現在、日本語敎育現揚を取り卷く狀況は、敎授方法はもとより、授業中の敎師の役割觀や授業觀においても變化しつつある。このような狀況において、「いい敎師」、「いい授業」に關する考えも敎授スタイルによって異なってくるであろう。また、敎師が考える「いい授業」が學習者にとっての「いい授業」であるとは限らない。敎師がよかれと考えたものが、學習者には求められていないものであるカもしれないのである。そして、敎師にさまざまなビリ―フがあるように「いい授業」に對する價値觀は、學習者の國籍やニ―ズ·文化(すなわち敎室文化)等によって異なり、敎師の考える授業觀を學習者に押しつけるのは理にそぐわない。この觀点からわれわれは、今回、韓國の學習者を對象とした調査硏究を實施オる。韓國の日本語學習者にとっての「いい授業」とはどのようなものか、アンケ―ト調査をもとにその認識やビリ―フについて考察していく。ここでの知見は、日本語敎育のあり方を示すとともに日本語敎員養成への示唆を與えるものとなろう。
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Psychological Predictors of Satisfaction after Lumbar Surgery for Lumbar Spinal Stenosis
Yamamoto Yoshio,Kawakami Mamoru,Minetama Masakazu,Nakagawa Masafumi,Teraguchi Masatoshi,Kagotani Ryohei,Mera Yoshimasa,Sumiya Tadashi,Matsuo Sachika,Kitano Tomoko,Nakagawa Yukihiro 대한척추외과학회 2022 Asian Spine Journal Vol.16 No.2
Study Design: A retrospective study of prospectively collected clinical data. Purpose: To identify preoperative psychological factors associated with patient satisfaction after surgery for lumbar spinal stenosis (LSS). Overview of Literature: Associations between depressive symptoms, anxiety, and worse surgical outcome or patient dissatisfaction have been reported in LSS patients. However, the influence of preoperative pain catastrophizing and fear-avoidance beliefs on postoperative satisfaction is not well understood. Methods: LSS patients who underwent decompression surgery with or without fusion were included. Clinical outcomes were measured before surgery and 6 months postoperatively using the Zurich Claudication Questionnaire (ZCQ); Visual Analog Scale (VAS) of low back pain, leg pain, and leg numbness; Japanese Orthopaedic Association Back Pain Evaluation Questionnaire; and the Medical Outcomes Study 36-item Short-Form General Health Survey (SF-36). The Hospital Anxiety and Depression Scale (HADS), Pain Catastrophizing Scale, and Pain Anxiety Symptoms Scale were used to evaluate psychological status before surgery. Patients were classified as satisfied or dissatisfied with surgery based on a ZCQ satisfaction subscale cutoff score of 2.5. Results: The satisfied and dissatisfied groups contained 128 and 29 patients, respectively. Six months postoperatively, outcome scores for the dissatisfied group were unchanged or worse than preoperative scores (p >0.05). Multivariate logistic regression analysis showed significant associations between dissatisfaction and preoperative low back pain VAS score ≥median (odds ratio [OR], 0.27; 95% confidence interval [CI], 0.10–0.74; p=0.01), preoperative mental health SF-36 score ≥median (OR, 0.26; 95% CI, 0.08–0.89; p=0.03), and preoperative anxiety HADS score ≥median (OR, 3.95; 95% CI, 1.16–13.46; p=0.03). Conclusions: Preoperative less severe low back pain, lower mental health, and higher anxiety are associated with patient dissatisfaction with lumbar surgery, not depression, pain catastrophizing, or fear-avoidance beliefs. Pre- and postoperative psychological status should be assessed carefully and managed appropriately.
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Kobayashi, Yoshio,Morimoto, Hikaru,Nakagawa, Tomohiko,Gonda, Kohsuke,Ohuchi, Noriaki Techno-Press 2013 Advances in nano research Vol.1 No.3
A preparation method for gadolinium compound (GdC) nanoparticles coated with silica ($GdC/SiO_2$) is proposed. GdC nanoparticles were prepared with a homogeneous precipitation method at $80^{\circ}C$ using $1.0{\times}10^{-3}$ M $Gd(NO_3)_3$, 0.5 M urea and $0-3.0{\times}10^{-4}$ M ethylenediarinnetetraacetic acid disodium salt dihydrate (ETDA) in water. As a result of preparation at various EDTA concentrations, GdC nanoparticles with a size as small as $40.5{\pm}6.2$ nm, which were colloidally stable, were prepared at an EDTA concentration of $2.0{\times}10^{-4}$ M. Silica-coating of the GdC nanoparticles was performed by a St$\ddot{o}$ber method at $35^{\circ}C$ using $1.0-10.0{\times}10^{-3}$ M tetraethylorthosilicate (TEOS), 11 M $H_2O$ and $1.5{\times}10^{-3}$ M NaOH in ethanol in the presence of $1.0{\times}10^{-3}$ M GdC nanoparticles. Performance of preparation at various TEOS concentrations resulted in production of $GdC/SiO_2$ particles with an average size of $106.1{\pm}11.2$ nm at a TEOS concentration of $5.0{\times}10^{-3}$ M. The gadolinium (Gd) concentration of $1.0{\times}10^{-3}$ M in the as-prepared $GdC/SiO_2$ particle colloid solution was increased up to a Gd concentration of 0.2 M by concentrating with centrifugation. The core-shell structure of $GdC/SiO_2$ particles was undamaged, and the colloid solution was still colloidally stable, even after the concentrating process. The concentrated $GdC/SiO_2$ colloid solution showed images of X-ray and magnetic resonance with contrast as high as commercial Gd complex contrast agents.
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Light induced recombination center at SiO2/Si interface by the reactive plasma deposition
Tomohiko Hara,Taichi Tanaka,Kazuhito Nakagawa,Yuki Isogai,Takefumi Kamioka,Yoshio Ohshita 대한금속·재료학회 2021 ELECTRONIC MATERIALS LETTERS Vol.17 No.5
Effect of lights with various wavelength on the defect generation in reactive plasma deposition (RPD) process is studiedusing capacitance–voltage analysis. Indium-tin oxide (ITO) deposition by RPD dramatically decreases the minority carrierlifetime and deteriorates the solar cell performances. The wavelength of light which arrives at the SiO2/Si interface andSi crystal is controlled by varying the SiO2thickness in SiO2/Si samples. Thick SiO2layer with above 10 nm prevents thepenetration of many ions into the SiO2/Si interface layer, and the only effects of light wavelength on the defect formation areobtained. When SiO2thickness are 10–600 nm, a large number of defects of the order of 1012eV−1 cm−2, mid gap energyof Si, are generated by ITO-RPD independent of SiO2thickness. These defects are expected to be recombination centers. These SiO2thicknesses are enough thick to completely absorb the light below-110-nm-wavelength. The results suggest thatthe light of longer wavelength than 110 nm mainly contributes to the defect formation in RPD process. On the other hand,in the case of 500 μm thick SiO2,the generated defects are significantly decreased by one order of magnitude (or decreasedto the order of 1010eV−1 cm−2) small amount of defect is generated. This thick SiO2prevents the penetration of light withbelow 180 nm wavelength into the Si. Therefore, the light with around 110–180 nm wavelength, which are generated by Arand/or O2plasma in RPD process, mainly forms the recombination-active defects.
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