수열에너지 입지 선정을 위한 계층화분석법의 적용

안주현,박수완,오창현 대한상하수도학회 2024 상하수도학회지 Vol.38 No.2

In this study, an evaluation system that can be used to evaluate the feasibility of developing and supplying hydrothermal energy for the operation of large-scale complex facilities was developed. To this end, this study derived factors to be considered when selecting a location for the use of hydrothermal energy using raw water from multi-purpose dams and regional water supply systems through literature survey and expert interviews. The evaluation indicators derived from this study are divided into four sectors: hydrothermal energy utilization factors, location factors, planning factors, and disaster safety factors, and are composed of 10 mid-level indicators and 34 detailed planning indicators. The relative importance of all factors was derived using the Analytic Hierarchy Process (AHP) technique, and the developed evaluation indicators and relative importance were applied to four multi-purpose dam regions in the country. As a result, it was found that in the development and use of hydrothermal energy utilizing regional raw water supply line the urban planning conditions of the supply site can have a greater impact on the location selection results than the hydrothermal energy development itself. Due to the characteristics of the evaluation indicators developed in this study and their nature as comprehensive indicators, it is believed that the results should be applied to determine the overall adequacy of site selection in the early stages of hydrothermal energy development. In the future, it is believed that it will be necessary to analyze the problems in supplying and operating hydrothermal energy using raw water from multi-purpose dams and regional water resources. Based on the analysis the evaluation system developed in this study is expected to be improved and supplemented.

ABR에서 반복회수 설정에 의한 전력선 잡음의 제거

안주현,김수찬,남기창,심윤주,김희남,송철규,김덕원 대한의용생체공학회 2001 의공학회지 Vol.22 No.3

ABR(auditory brainstem response) is one of the audiometry which measures objective hearing threshold level by acquiring electric evoked potentials emanated from auditory nerve system responding to an auditory stimulation. However, the obtained potentials which are largely interfered by power line noise, have extremely low SNR, thus ensemble average algorithm is generally used. The purpose of this study was to investigate the effect of iteration number in ensemble average on the reduction of the power line noise. The power line noise was modeled to be a 60 Hz sinusoidal signal and the energy of the modeled signal was calculated when it was averaged. It was verified by simulation that the energy had the periodic zero points for each stimulation rate, and 60 Hz signal induced by the power line was applied to the developed ABR system to confirm that the period of zero energy point was the same with that of the simulation. By the properly selected iteration number, power line noise could be reduced and more reliable ABR could be acquired.

단양 수양개 Ⅲ지구 구석기유적

안주현 한국고고학회 2011 한국고고학전국대회 발표문 Vol.- No.35

척수 손상과 신경 재생

안주현,박형열,김영훈 대한정형외과학회 2019 대한정형외과학회지 Vol.54 No.6

Recent advances in the understanding of the pathophysiology of spinal cord injury (SCI) and new therapeutic approaches have provided promising results for this incurable and debilitating central nervous system injury. Various neuro-protective and neuro-regenerative trials have been attempted to overcome SCIs. This review summarizes the reported experimental and clinical data regarding neuro-regenerative trials with the proven pathophysiology of SCI. In addition, the prerequisites for safe and effective clinical trials are discussed. 척수 손상은 중추 신경계의 손상으로 신경학적 회복이 어려운 것으로 알려져 있었으나 최근 그 병태 생리에 대한 이해의 발전과 함께 다양한 신경 보호적 시도 및 신경 재생에 대한 시도가 보고되어 이에 대한 새로운 치료적 접근법이 제시되고 있다. 이에 본 종설에서는 제시되고 있는 병태 생리와 함께 신경학적 재생을 위한 실험적 연구의 내용을 정리하며, 임상적 시도에 대하여 현재까지의 결과와 함께 향후 객관적이며 안전한 임상적 적용을 위한 선행 조건 등에 대하여 정리하여 보고자 한다.

Synthesis of Hydroxyalkyl Esters of Unsaturated Acids Using Poly ( Vinyl Pyridine ) Resins

안주현,임선기 한국고분자학회 1988 한국고분자학회 학술대회 연구논문 초록집 Vol.1988 No.4

알레르기성 비염환아들의 양도락 특성에 관한 연구

안주현,이진용,An, Ju Hyeon,Lee, Jin Young 대한한방소아과학회 2016 대한한방소아과학회지 Vol.30 No.3

Objectives The purpose of this study is to investigate the characteristics of Ryodoraku Score in the children who visited department of pediatrics, hospital of Korean medicine with allergic rhinitis as the chief complaint. Methods Subjects were 80 children with allergic rhinitis. We calculated the average Ryodoraku Score (RS, ${\mu}A$), and compared the average of each meridian system. And we classified the children by several groups (depending on age, additional allergic disease), and accomplished a comparative analysis. Results 1. The average of Ryodoraku Score in 80 children was $76.36{\pm}22.72$. 2. The figure of H3 (心), H5 (三焦), F1 (脾), F2 (肝), F3 (腎), F4 (膀胱), F5 (三焦), F6 (胃) had significant statistical differences compared to the total average. 3. Comparing the group having only allergic rhinitis to group having allergic rhinitis and other allergic disease, showed significant statistical difference in H2 (心包), H3 (心). 4. Analyzed by age, there's a significant statistical difference in F1 (脾), F4 (膀胱). Conclusion We found that H5 (三焦), F1 (脾), F4 (膀胱) showed significant statistical difference in Ryodoraku Score, and F1 (脾) had the highest relevance. The research indicate meaningful difference depending on age, additional allergic disease.

이주시대, 언어정책과 언어교육이 나아갈 길 -수레쉬 카나가라자 외, 『이주시대의 언어』(가갸날, 2022년)-

안주현 한국문학언어학회 2024 어문론총 Vol.98 No.-

언간을 활용한 ‘ㆍ’ 비음운화의 계량적 연구 방법론

안주현 국어사학회 2018 국어사연구 Vol.0 No.27

이 글은 언간에 나타나는 음운현상을 계량적으로 연구하는 방법론을 모색해 보고자 하였다. 언간은 음운현상 연구뿐 아니라 근대국어 연구 전반에 활용할 수 있는 역사 자료이다. 그럼에도 불구하고 계량적인 방법론을 활용한 언간 연구가 많지 않은 것은 언간이 자료 특성상 내용 판독 및 말뭉치 구축이 어렵기 때문이다. 본 연구에서는 조선시대 언간 말뭉치를 구성하기 위해서 예비 작업, 구축 작업, 분석 작업의 세 단계로 나누어서 작업 과정을 진행하였고 그 결과로 생성된 조선시대 언간 말뭉치를 활용하여 근대국어의 ‘ㆍ’ 비음운화를 계량적인 연구 방법론을 적용하여 살펴보았다. ‘ㆍ’의 비음운화 외에도 구개음화, 원순모음화, 유음화 등 근대국어 시기의 주요한 음운현상들도 이 연구를 위해 구축한 조선시대 언간 말뭉치와 계량적 연구 방법론을 활용하면 유의미한 결과를 얻을 수 있을 것으로 기대한다. This paper proposes a research methodology to study the phonological phenomena that can be observed in the Hangul letters, namely Eon-gan. Eon-gan constitutes historical data which can be used not only in the study of phonological phenomena but also of any other aspects of the modern Korean language. Nevertheless, few studies have been using quantitative methodology to date because the nature of this data makes it difficult to read it and to construct a corpus. The process of build a corpus of the Joseon Dynasty Eon-gan has been carried out in three steps: 1) the preliminary phase; 2) the construction phase; and 3) the analysis phase. A quantitative aroach was adopted to analyse the Joseon Dynasty Eon-gan Corpus and investigate the dephonologization of ‘ㆍ’ (arae a). In addition to the dephonologization of ‘ㆍ’ (arae a), the Joseon Dynasty Eon-gan Corpus built for this study and the quantitative research methodology proposed in this paper could be used in the study of other major phonological phenomena that took place in the modern Korean language, such as palatalization, vowel rounding and liquidization, in order to obtain new, significant results.

백합과 식물을 이용한 감수분열 관찰 실험 방법의 개선

안주현,송세이,전상학 한국현장과학교육학회 2016 현장과학교육 Vol.10 No.3

세포분열은 생명의 연속성을 이해하는 데 핵심적인 개념이며, 감수분열은 유성생식을 하는 생명체가 고유한 염색체 수를 유지할 수 있도록 하는 중요한 기작이다. 현재 적용 중인 2009 개정 교육과정에서는 감수분열을 다룰 때 감수분열 관찰 실험을 함께 다루도록 제시하고 있으나 실험방법에 대한 정보가 부족하거나 잘못 제시되어 있어 실험수행에 어려움이 있다. 따라서 본 연구에서는 백합과 식물을 이용한 감수분열 관찰 실험의 수행성공률을 높일 수 있는 개선된 방법을 재료 준비 및 채집, 시료 고정, 염색 및 프레파라트 제작의 세 단계로 분석하여 제공하고자 하였다. 연구 결과 꽃봉오리는 2cm 내외 길이의 정단부에 위치하고, 꽃밥 고정액이 엷은 황색을 띠는 것을 사용하여야 한다. 또한 시료를 고르게 펼친 후 충분히 염색하여 건조하지 않은 상태에서 관찰하여야 또렷한 상을 얻을 수 있다. 실험 성공의 경험은 과학에 대한 긍정적인 인식으로 이어지므로 교과서와 교육과정 개발 시에는 실험 수행을 위한 실질적이고 구체적인 정보를 제공하도록 하는 것이 필요하다. Cell division is the core concept in understanding the continuity of life. Meiosis is an important mechanism to keep the number of unique chromosomes in organisms of sexual reproduction. The current Revised Curriculum of 2009 asks teachers to deal with observation experiments for meiosis when teaching the students about meiosis, but it offers a shortage of information or wrong information about the experimental methods, which means that the teachers have a difficult time with conducting experiments. This study thus set out to propose an improved approach to increase the success rate of observation experiments for meiosis with Liliaceae plants by analyzing the process in three stages; material preparation and collection, specimen fixation, and dyeing and preparat making. The findings show that the bud was located in the middle that was 2cm or so and that light yellow anther fixing fluid should be used. Clear images were obtained by fully dyeing the specimens that were evenly distributed and observing them when they were not dry. Experiences with successful experiments lead to positive perceptions of science, which raises a need to provide practical and specific information about experimentation in the development of textbooks and curriculums.

통합적 문헌고찰에 의한 최근 10년(2009∼2018)동안의 국내 간호분야 개념분석 연구 동향 분석

안주현,장옥주,현혜진,김주현,김영은,이용미,김명숙 한국응용과학기술학회 2020 한국응용과학기술학회지 Vol.37 No.4

본 연구는 2009년부터 2018년 최근 10년간 대한간호학회지와 분과학회지에 게재된 개념분석 연구의 통합적 문헌고찰 연구이다. 총 30편의 논문을 간호의 메타패러다임, 개념의 종류, 개념분석 방법, 활용정도 등 분석하였다. 결과로 간호의 메타패러다임은 인간 23편, 간호 5편, 건강 1편, 환경 1편으로 인간이 가장 많았으며, 개념의 종류는 모두 추상적인 개념으로 확인되었다. 개념 분석 방법으로는 워커 & 아벤트가 13편, 하이브리드 방법이 10편, 진화론적 방법이 7편으로 워커 & 아벤트 방법이 가장 많았으나 2018년도 이후에는 모두 하이브리드 방법이었다. 도구개발로의 진행은 확인되지 않았다. 연구 결과를 토대로 간호패러다임의 다양성과 이를 바탕으로 한 도구 개발도 필요하다. This study is an integrated literature review of concept analysis research published in the Journal of the Korean Nursing Society and the journal of branch science for the last 10 years from 2009 to 2018. A total of 30 papers were analyzed, including the metaparadigm of nursing, the type of concept, the method of concept analysis, the degree of utilization, etc. As a result, the metaparadgim of nursing was the most common human being, with 23 human beings, 5 nursing, 1 health, and 1 environment, and all kinds of concepts were identified as abstract concepts. As for concept analysis methods, Walker & Avent had the most number of workers and events with 13 workers, 10 hybrids, and 7 evolutionary methods, but all of them were hybrid methods after 2018. The progress toward tool development has not been confirmed. The diversity of nursing paradigm based on research results and the development of tools based on it are also necessary.