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韓国学習者の日本語動詞獲得モデル: 学習者総体モデルとの比較 ― 「多言語母語の日本語学習者横断コーパス」の絵描写作文を用いた検証 ―
石川慎一郎 ( Shin’ichiro¸ Ishikawa ) 한국일어교육학회 2021 일본어교육연구 Vol.- No.56
本論文では「多言語母語の日本語学習者横断コーパス」(I-JAS)に含まれる韓国学習者(KLJ)による絵描写作文を習熟度レベルごとに分析し、KLJの動詞獲得過程のモデル化を試みた。分析結果は、同コーパスに含まれる海外日本語学習者の総体(WLJ)データを分析した石川(2021)と比較された。RQ1(動詞使用量)については、習熟度別に見た場合、KLJとWLJともに逆U字型のパタンを示すことが確認された。RQ2(マーカー動詞)に関して、母語話者との比較の結果、KLJが使用できない動詞には(a)複合動詞,(b)慣用動詞、(c)否定的ニュアンスを含む動詞など、KLJのみが使用する動詞には(d)意思·意図に関する誤用、(e)文脈の不適合、(f)複合動詞要素の誤用、(g)不要な内容の言語化などが含まれ、いずれもWLJと同じパタンを示すことが確認された。RQ3(習熟度分類)については、KLJの動詞獲得がⅠ(存在動詞·移動動詞など)→Ⅱ(動詞の拡張)→Ⅲ(複合動詞成分·アスペクト成分·サ変動詞など)→Ⅳ(高度な複合動詞成分·変化動詞など)の4段階に区分され、ほぼWLJに重なることが示された。RQ4(習熟度推定)については、7種の動詞(入る·為る·見る·仕舞う·知る·来る·入れる)の使用頻度によって習熟度を63%の精度で予測できるが、予測モデルに含まれる動詞はWLJの場合とは異なることが示された。動詞獲得におけるKLJの固有特性は限定的で、KLJの特徴の大部分は日本語学習者全般の特徴であると言える。この点をふまえれば、日本語学習者コーパス研究においては、L1差よりもL2習熟度差を優先した分析が必要だと考えられる。 Using the International Corpus of Japanese as a Second Language (I-JAS), this study analyzed the picture description essays written by Korean learners of Japanese (KLJ) at different L2 proficiency levels to explore the process of their acquisition of L2 Japanese verbs. The results were compared to the verb acquisition process of the whole learners of Japanese (WLJ) reported in Ishikawa (2021). The corpus-based analyses showed that (1) an inverted U pattern existed in terms of the number of tokens/ types of the verbs used in the essays for both KLJ and WLJ, (2) when compared to the verb usage of Japanese native-speakers (JNS), some verbs were used only by JNS and others only by KLJ, and these “marker” verbs were almost the same for KLJ and WLJ, (3) KLJ’s verb acquisition process could be subdivided into four stages: 1 (existential verbs/ verbs of moving), 2 (a greater variety of verbs), 3 (composite verbs and aspectual verbs), and 4 (complex composite verbs and verbs of change), which were almost identical to the patterns for WLJ, and (4) KLJ’s L2 proficiency could be explained by the frequency of seven types of verbs (hairu, suru, miru, shimau, shiru, kuru, ireru) with 63% accuracy, though these verbs were different from a set of verbs adopted in the regression model for WLJ. These findings corroborated that KLJ’s verb acquisition pattern did not differ much from the pattern for WLJ, which may suggest the need for the Japanese learner corpus studies focusing on learners’ L2 proficiency rather than on their L1 types.
A Study of Project Design -Establishing "Departmennt of Project Design" in Japan-
( Shin Ichiro Sakamoto ),( Tsuyosi Otani ),( Ko Ichiro Fujimoto ) 한국일본근대학회 2005 일본근대학연구 Vol.0 No.11
TheMiyagi university which Miyagi Prefecture established inApril, 1997 is the university which consists of the first business conception , the project design department and the school of nursingscience in our country. First,in the this research, the process of the establishmentin this project design department is described. Next, the decision-process of thename of the department is described. Moreover, it considers about the feature of the curriculum and itclarifies about " the fusing of the case studyand the theory education ". I contributed to theestablishment of the concept of the project design with this research.
Toda, Shin-ichiro 한국광학기기산업협회 2009 光學世界 Vol.122 No.-
이번호에는 광기술컨텍트 2009년 5월호 <특집:광학기술의 한계>에서 Toda Shin-ichiro씨가 기고한 '편광소자의 광학특성의 한계' 내용을 번역하여 게재한다. 최근 노광기, 광기록을 비롯하여 레이저 가공, 광계측 등 여러 분야에 걸쳐 광원파장의 단파장화가 진행되고 있다. 이러한 상황 속에서 광학부품의 하나인 편광자의 자외화(紫外化)에 대한 필요성이 요구되고 있다. 성능적으로 밸런스가 좋은 편광자로 글랜 톰슨 프리즘을 들 수 있는데 본 고에서는 글랜 톰슨 프리즘 구조에서 파장 $\lambda$=1800nm부터 사용 가능하고 투과율도 높은 편광자와 그 제작 시의 문제점에 대해 설명하고 있다.
Laparoscopic Surgery for Advanced Gastric Cancer: Current Status and Future Perspectives
Ichiro Uyama,Koichi Suda,Seiji Satoh 대한위암학회 2013 Journal of gastric cancer Vol.13 No.1
Laparoscopic gastrectomy has been widely accepted especially in patients with early-stage gastric cancer. However, the safety and oncologic validity of laparoscopic gastrectomy for advanced gastric cancer are still being debated. Since the late 90s’, we have been engaged in developing a stable and robust methodology of laparoscopic radical gastrectomy for advanced gastric cancer, and have established laparoscopic distinctive technique for suprapancreatic lymph node dissection, namely the outermost layer-oriented medial approach. In this article, We present the development history of this method, and current status and future perspectives of laparoscopic gastrectomy for advanced gastric cancer based on our experience and a review of the literature.
Histological Effect of Basic Fibroblast Growth Factor on Chronic Vocal Fold Scarring in a Rat Model
Ichiro Tateya,Tomoko Tateya,손진호,Diane M. Bless 대한이비인후과학회 2016 Clinical and Experimental Otorhinolaryngology Vol.9 No.1
Objectives. Vocal fold scarring is one of the most challenging laryngeal disorders to treat and there are currently no consistently effective treatments available. Our previous studies have shown the therapeutic potential of basic fibroblast growth factor (bFGF) for vocal fold scarring. However, the histological effects of bFGF on scarred vocal fold have not been elucidated. The aim of this study was to examine the histological effects of bFGF on chronic vocal fold scarring. Methods. Sprague-Dawley rats were divided into phosphate buffered saline (sham) and bFGF groups. Unilateral vocal fold stripping was performed and the drug was injected into the scarred vocal fold for each group 2 months postoperatively. Injections were performed weekly for 4 weeks. Two months after the last injection, larynges were harvested and histologically analyzed. Results. A significant increase of hyaluronic acid was observed in the vocal fold of the bFGF group compared with that of the sham group. However, there was no remarkable change in collagen expression nor in vocal fold contraction. Conclusion. Significant increase of hyaluronic acid by local bFGF injection was thought to contribute to the therapeutic effects on chronic vocal fold scarring.
( Ichiro Kamei ),( Nana Tomitaka ),( Taichi Motoda ),( Yumi Yamasaki ) 한국미생물생명공학회 2022 Journal of microbiology and biotechnology Vol.32 No.2
Phlebia sp. MG-60 is the salt-tolerant, white-rot fungus which was isolated from a mangrove forest. This fungus expresses three kinds of manganese peroxidase (MGMnP) isozymes, MGMnP1, MGMnP2 and MGMnP3 in low nitrogen medium (LNM) or LNM containing NaCl. To date, there have been no reports on the biochemical salt-tolerance of these MnP isozymes due to the difficulty of purification. In present study, we established forced expression transformants of these three types of MnP isozymes. In addition, the fact that this fungus hardly produces native MnP in a high-nitrogen medium (HNM) was used to perform isozyme-selective expression and simple purification in HNM. The resulting MGMnPs showed high tolerance for NaCl compared with the MnP of Phanerochaete chrysosporium. It was worth noting that high concentration of NaCl (over 200 mM to 1200 mM) can enhance the activity of MGMnP1. Additionally, MGMnP1 showed relatively high thermo tolerance compared with other isozymes. MGMnPs may have evolved to adapt to chloride-rich environments, mangrove forest.