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극소 및 초극소저체중 출생아의 신경발달 예후(1984-2008년)
성인경 대한소아청소년과학회 2009 Clinical and Experimental Pediatrics (CEP) Vol.52 No.1
Neurodevelopmental outcomes of very low birth weight infants (VLBWI) and extremely low birth weight infants (ELBWI) in Korea on 14 reports from 1984 to 2008 were analyzed. Follow-up rates were varied from 42.9% to 90.2%. Duration of follow-up ranged from 4 months to 5 years. The prevalence of cerebral palsy (CP) of VLBWI was as follows: 4.3-5.3% in 1980s, 7.1-9.1 % in 1990s and 3.6-15.6% in 2000s. CP was noted in 8.2-30.8% of ELBWI on studies reported in 2000s. Delayed Mental development was diagnosed in 2.0-17.9% of VLBWI and in 20.4-30.8% of ELBWI. Sensory impairments such as hearing loss or visual deficit were reported in 3.1-3.6% of VLBWI and 0.0-10.0% of ELBWI. Seizure disorder was reported in 5.3% of VLBWI by one report. No reports for minor neurodevelopmental dysfunctions in VLBWI and ELBWI were found from 1984 to 2008. It is necessary to establish basic protocols and nationwide systems for long-term follow-up study to obtain valuable data.
한국어 문법 교수-학습 내용으로서의 화용 정보의 개념과 유형 연구
성인경,전은주 국제한국어교육학회 2021 한국어 교육 Vol.32 No.2
The purpose of this study is to redefine the concept of pragmatic information and categorize the types of pragmatic information. The main contents of grammatical items in Korean language teaching-learning have been centered on forms and meanings that are easy to set categories and types. As a result, learners may experience pragmatic failure because they do not know information about the actual use of grammatical items. Therefore, when providing grammatical items to learners, a multidimensional approach is needed that provides a balance of morphological, semantic, and pragmatic information. To this end, this study first redefines pragmatic information for Korean grammar education as ‘knowledge related to the use of grammatical items necessary for Korean learners to properly express in Korean’. Also, pragmatic information was classified into three types related to the discourse context of ‘discourse participant, discourse situation, discourse function’ and three types related to the grammar use of ‘similar grammar, abbreviation・dropout・omission, and the use effect’. In addition, this study analyzes the pragmatic information presented in the current Korean language education materials.
계룡산 국립공원의 레크리에이션 이용특성 및 이용객 예측에 관한 연구
성인경,조응혁 ( In Kyeong Seong,Eung Hyouk Cho ) 한국산림과학회 1988 한국산림과학회지 Vol.77 No.3
This study was analyzed the behavior of recreational use through interviewing visitors with the questionnaire (1986.11-1987.9) in Mt. Kyeryong National Park. The number of visitors have been forecasted by tune series data of the past number of visitors, population, GNP, and number of cars (1974-1986) in korea. The results of the study can be summarized as follows 1) Visitor`s subjective evaluation about recreational environment evaluated to be fair in Mt. Kyeryong National Park. 2) They preferred natural forest resources to historic remains, tourist facility, etc.. 3) Number of participation was mostly once or five times over. 4) Visitors were affirmative to re-visit to the Mt. Kyeryong National Park. 5) Most of visitors stay for one day. 6) The most suitable estimated user regression model was : Y=-5753.7350+0.1726 Pop. -0.6564 NO. of Car. According to this equation, the total number of visitors will he increased by 3% per year from 1,023 thousands people in 1987 to 1.698 thousands in 2000.
성인경,유병두 한국항공우주학회 2013 한국항공우주학회 학술발표회 논문집 Vol.2013 No.11
회전익 항공기기가 안전하게 비행하기 위해서는 엔진-기체 적합성에 대한 검증과 확인이 요구된다. 적합성은 일반적으로 해석, 지상시험 및 비행시험을 통해 검증되며, 엔진-구동축-로터 계통의 반응성과 안정성 시험을 포함한다. 요구되는 주요 지상 및 비행시험은 엔진 가감속, 엔진 출력제어, 자동활강, Transient Droop 및 비틀림 안정성 등이다. 지상/비행시험의 결과는 엔진 기체 추진 계통에서 불안정성이나 이상 특성이 없음을 보여주었다. 국과연 KHP 기술관리단은 감항인증기관으로서 개발주관기관이 수행한 모든 시험결과가 요구도를 충족하였음을 확인하였다. For flight safety of helicopter, verification and validation of the engine airframe compatibility is required. Compatibility is typically verified through analysis, ground test and flight test, which includes response and stability tests of the engine ? drive train ? rotor system. Required key ground and flight tests are acceleration/deceleration, power control, autorotation, transient droop and torsional stability tests. The results of ground/flight tests demonstrated no instability and no abnormal characteristics at the engine airframe drive system. KHP Technology Management Office at ADD, as an Airworthiness Qualification Agency, validated all the results of ground and flight tests performed by Development Agency satisfied its requirements.