帶方郡의 盛衰에 대한 硏究

송지연(Song. Jee-Yaon) 한국사학회 2004 史學硏究 Vol.- No.74

Tai-fang Commandery(帶方郡) was established in the early 3rd century by Kungsun Kang(公孫康), the ruler of Liao-tung(遼東) that became independent from the Han China(漢), in order to facilitate the operation of Lo-lang Commandery (遼東) Since it was establish, Tai-fang Commandery ran extensiveroutes of diplomacy and trade, connecting ancient China, Korea and Japan.<br/> Tai-fang Commandery maintained its status as a commandery even the Wei Dynasty(魏) was founded inthe middle of the 4th century. Around the period, Wei reorganized the operation system between Lo-lang Commandery and Tai-fang Commandery and, in the course, it attempted to transfer the function of diplomacy and trade with the Eight Countries of Jinhan(辰韓入國) from Tai-fang Commandery to Lo-lang Commandery. However, as Mahan states(馬韓諸國)innorthem Gyeonggi province(京畿道) including Sinbungoguk(臣沽國) at the center suffered a loss in their right to negotiate between Chinese commanderies and Three Han States(三韓諸國), they resisted the attempt and attacked Giriyeong(崎離營) of Tai-fang Commandery, which developed into a large-scale battle. As the consequence of the battle, Baekje(百濟), which suffered only a little damage from the battle, emerged as a new leader of Mahan, excelling Mahan countries in northern Gyeonggi province that were severely damaged. On the other hand, Chin(西晉) that unified the entire China switched its line of negotiation with ancient Korea to the direct control of Dongyigyowi(東夷校尉) in the late 3rdcentury and, as a result, the role of Lo-lang Commandery and Tai-fang Commandery was significantly diminished. Furthennore, with subsequent internal disorder in Chin, they were even disconnected from China and the two commanderies had to seek for survival between Koguryo(高句麗) and countries in the Three Hans. At that time, Tai-fang Commandery took a diplomatic line different from that of Lo-lang<br/> Commandery, maintaining a friendly relationship with Baekje through maniage between the royal families.<br/> Lo-Iang Commandery was fallen by Koguryo in 313 and soon after Tai-fang Commandery was also severely damaged by Koguryo in 314. As a result, the territory of Tai-fang Commandery shrank significantly, and its center was moved<br/> to Sincheon(信川) in Hwanghae-do(黃海道) which was southwest of the original<br/> center. The biggest reason for them to be able to maintain their power was that Koguryo was confronting Mu-jung tribe over Liao-tung. What is more, Tai-fang Commandery was backed by Baekje, which maintained an amicable relationship with the two commanderies.<br/> As its advance into Liao-tung was frustrated by Mu-jung tribe in 355, however, Koguryo directed its attention to the south and, feeling a sense of crisis, Tai-fang Commandery surrendered to Baekje between 355 and 369 and went down. Baekje's advance tothe north during this period was not military achievements but the result of Tai-fang Commandery's surrender to Baekje. Consequently, Baekje under the rule of King Geunchogo(近肖國王) expand to the former territory of Tai-fang Commandery and waged large-scale battle witl1 Koguryo for a long time and attacked the Pyeongyang Castle(平壤城), killing King Gogukwon(故國原王) in the battle. Since then, the remaining people of Tai-fang Commandery were absorbed into the national system of Baekje and contributed to the national development of Baekje in diplomatic and academic areas .<br/>

공공도서관 설치 현황과 운영 분석에 대한 효율화 방안 연구

윤용기,이재림,Yaon, Yong-Gi,Lee, Jae-Rim 한국교육녹색환경연구원 2007 교육·녹색환경연구 Vol.6 No.1

Public library is established on impartial accessibility of any distinction as their sex, age, financial status, etc. The function of public library is not only to accumulate materials and offer information but also minimize gulf between the rich and the poor by knowledge possession, which is realized by important means to intercept exclusive possession and power in knowledge pose-industrial society. As it is judged that most public library is established to individual building with thousands of cost, it is judged of obstacles to Increase library buildings. The purpose of this study is try to find the way to Increase In number of public library In Seoul by interaction local education-cultural facilities. The result from this study, the user rate of public library is influenced by number of buildings and accessibility of traffic and public library can improve efficiency by substantial operation by basic function for all age group. The target population of Seoul public library sizes by decuple of advanced countries because of difficulty of accessibility, so it needs to make it small scale and also can offer self-regulation learning, materials and life-long learning programs because generally public library's utilization purpose is different by age. As school in Seoul amounts to 25 times of public library by about 1,200 buildings and can function of lifelong education center with a school library, cultural center and other composition buildings, so school facilities may use as a public library for local residents.

Caffeine as a killing and repellent agent for snails (Acusta despecta) and slugs (Deroceras varians) on horticultural plants

Joo, Jin-Ho,Yaon, Byeong-Sung,Kim, Il-Soep,Kang, Won-Hee The Korean Society for Bio-Environment Control 2002 시설원예‧식물공장 Vol.11 No.3

학령기아동의 친구관계에 따른 대체지지에 관한 연구

최용주(Yong Joo Choi),이재연(Jae Yaon Lee) 한국아동학회 1993 兒童學會誌 Vol.14 No.1

This study examined compensatory patterns of support among three types of children`s peer relationships: school friendships, nonschool friendships, and sibling relationships. Specifically, this study investigated (1) the degree to which children with unsupportive school friendships turn to nonschool friends and siblings to compensate for the provisions they lack from school friends, and (2) the potential protective effects of substitute support on such children`s adjustment. Subjects for this study were drawn from a sample of 297 sixth graders attending 3 public schools in Seoul. 6 teachers and 594 of parents of subjects also participated in the study. Subjects completed their questionnaires in their own classroom. The teachers and parents completed their forms within 1 week. The data were analyzed by two-way ANOVA and Scheffe′ test. The results of this study were as follows: (a) When compared with the average, aggressive children and isolated children perceived their school friendship as low support. (b) Isolated, aggressive, and average children differed in their perceptions of support from nonschool friends and their favorite siblings. (c) The children who have unsupportive school friendships experienced greater socioemotional difficulties than did children with supportive school friendships. (d) The extent that sibling and nonschool friends provided the support lacking in their school friendships, isolated and aggressive children experienced diminished emotional distress.

Capacitor용 Ta분말 제조공정 Waste Ta를 이용한 TaC분말 제조

박제신,서창열,윤재식,배인성,박형호,Park Je-Shin,Suh Chang-Youl,Yaon Jae-Sik,Bae In-Sung,Park Hyeoung-Ho 한국자원리싸이클링학회 2003 資源 리싸이클링 Vol.12 No.4

케퍼시터용 Ta 분말제조공정에서 발생하는 waste 분말을 이용하여 TaC 분말을 자전고온합성법에 의하여 합성하였다. waste TA는 합성반응의 활성 및 산화방지를 위하여 전처리공정에서 미분쇄 및 탈산처리가 필요하였다. 합성반응에서는 TaC 단일상은 6∼7wt.%C의 조성범위에서 얻을 수 있었다. 또한 반응온도는 시료의 압축력에 영향을 받으며, 압축력 1600psi에서 최고반응온도를 나타냈다. Using the wastes of Ta powder fabrication process for capacitor, TaC powder was synthesized by SHS method. In previous to synthesis, the waste Ta was needed of milling and deoxidization treatments for active reaction and prevention of oxidation. In SHS reaction, it was found that the TaC single phase was obtained in composition of 5~6wt.%C. The reaction temperature was affected by the compaction pressure of the specimens, exhibiting the maximum values at 1600psi, respectively.

주정의존 환자군의 스트레스 평가

조우성,강준하,정근백,정종승,윤승옥 대한가정의학회 1993 Korean Journal of Family Medicine Vol.14 No.3

병렬 전단벽 시스템의 연성

박완신 ( Park Wan-shin ),이훈희 ( Lee Hun-hee ),송한범 ( Song Han Beom ),한병찬 ( Han Byung-chan ),이원호 ( Lee Yaon-ho ),윤현도 ( Yun Hyun-do ) 한국구조물진단유지관리공학회 2004 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.8 No.1

Since ductile coupled shear wall system is the primary seismic load resisting systems of many structures, a coupling beams in these system must exhibit excellent ductility and energy absorption capacity. In this paper, the seismic response of coupled shear wall system is discussed. It is demonstrated through a review of experimental investigations of coupling beam behavior and analytic studies of coupled wall behavior that often the coupling beam ductility demand exceeds the expected available ductility. As a result, it is possible that coupled shear wall system will not behave as desired in the course of a significant seismic event.

[제3분과/구조거동/재료] 병렬 전단벽 시스템의 연성

박완선(Park Wan-Shin),이훈희(Lee Hun-Hee),송한범(Song Han-Beom),한병철(Han Byung-Chan),이원호(Lee Yaon-Ho),윤현도(Yun Hyun-Do) 한국구조물진단유지관리학회 2004 한국구조물진단학회 학술발표회논문집 Vol.- No.-

Since ductile coupled shear wall system is the primary seismic load resisting systems of many structures, a coupling beams in these system must exhibit excellent ductility and energy absorption capacity. In this paper, the seismic response of coupled shear wall system is discussed. It is demonstrated through a review of experimental investigations of coupling beam behavior and analytic studies of coupled wall behavior that often the coupling beam ductility demand exceeds the expected available ductility. As a result, it is possible that coupled shear wall system will not behave as desired in the course of a significant seismic event.