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이영내(Young-Nae LEE),주철안(Chul-An JOO) 한국수산해양교육학회 2014 水産海洋敎育硏究 Vol.26 No.6
This paper is to analyze the size of Busan Metropolitan City Office of Education Special Account and Educational finance Changes based on the welfare types from 2009 to 2013. It also identifies the impact on welfare finance education programs that target low-income students. The size of Education welfare finance was increased to 355.3 billions (2013) from 90.9 billions (2009), with the last 5 years average annual growth rate as high as 41.9%. But there has been relative decrease in the size of selective welfare budget for low income students such as tuition assistance & IT support to low-income and vulnerable groups, rural schools support to improve facilities, education welfare priority program. The finding suggests that the size of selective welfare budget should not be decreased due to universal education welfare policy. If it is to expand the universal education welfare, then there should be redesigning of local educational finance and further revenue for local education finance to keep the budget for the education welfare target groups.
이영내(Lee, Young-Nae),주철안(Joo chulan) 한국교육행정학회 2015 敎育行政學硏究 Vol.33 No.4
본 연구는 분산적 지도성의 관점에서 보건교사의 지도성에 대한 경험과 의미를 9명의 연구 참여자에 대한 심층 면담을 통하여 수행하였다. 원 자료로부터 의미 있는 진술은 약 33개였 으며, 교사지도성의 지도성 경험과 의미는 5개의 범주와 13개의 주제묶음, 25개의 주제로 분 석되었다. 보건교사에게 지도성의 경험과 의미는 범주별로는 더 많이 요구되는 것, 잠재되어 있는 것, 발휘하고 싶은 것, 역할 확대를 요구하는 것, 성취감을 주는 것이었다. 주제묶음으로 는 꼭 필요한 것, 수고롭고 힘든 것, 감춰져 온 것, 소극적으로 표현되는 것, 의료전문성을 살 리는 것, 수업 잘하는 것, 학생지도 잘하는 것, 소통 잘하는 것, 보직 활동 하는 것, 변화를 주도하는 것, 경험을 공유하는 것, 활력소 제공 수단, 자아실현 수단, 감동 같은 것으로 표현 되었다. 이는 보건교사가 학교 현장에서 교사로서의 지도성, 특히 분산적 지도성을 발휘하고 있음을 시사한다. This study has been conducted by in-depth interview on nine participants, which focuses leadership experience and meaning of health teachers in the perspective of distributed leadership. There were about 33 meaningful statements derived from original text. Leadership experience and meaning of health teachers were analyzed in five categories, thirteen groups of themes, and twenty five subjects. The five categories were what was required more, what was potential, what was to be exerted, what required expanding the role, and what provided a sense of achievement. The groups of themes were what was necessary, what was demanding and difficult, what was hidden, what was passively expressed, what was realized in medical professionalism, what was related to well-structured lecture, what was connected to well-instruction for students, what was related to well communication, what was to serve an assigned position, what led the changes, what shared experience, means of providing a source of vigor and self-realization, and touching events. This implies that health teachers take leadership, especially distributed leadership in the field of schools.
선박용 고도수처리장치에서 MBR 복합 적용에 따른 SBR 공법의 침전공정 제어를 통한 평가
최영익 ( Young-ik Choi ),윤영내 ( Young-nae Yoon ),서민성 ( Min-seong Seo ),이슬기 ( Seul-kee Lee ),한영립 ( Young-rip Han ),성낙창 ( Nak-chang Sung ),정진희 ( Jin-hee Jung ) 한국환경기술학회 2015 한국환경기술학회지 Vol.16 No.5
본 연구는 국제해사기구(IMO)에서 채택한 MEPC. 227(64)의 기준에 부합하는 선박용 오수처리장치를 개발함에 있어 SBR 공법을 적용한 고도수처리장치에 MBR 복합 적용에 따른 SBR 반응조 침전시간 제거 가능성을 평가하는 것에 그 목적이 있다. 이를 위해 실험 중 10분 간격으로 DO를 측정하였으며 최종 유출수의 T-N 농도를 측정하여 유입수 대비 유출수의 제거율을 구하였다. 원수는 실험을 위해 제작된 화장실에서 배출된 오수를 이용하였으며 SBR 반응조의 경우 폭기 360분, 교반 120분으로 진행되었으며 침전시간은 생략하였다. 반응조의 MLSS 농도는 3,500 mg/L 이고, 폭기량은 121 L/min이며 생산수량은 1.2 L/min으로 진행되었다. 실험 결과 DO는 폭기 상태에서 최대 4.33 mg/L, 교반 중 무산소 상태에서 0.27 mg/L로 나타났으며 T-N의 유입수 대비 유출수 평균 제거율은 71.78%로 나타났다. 이는 MEPC. 227(64)의 기준(70% 제거율)을 달성한 것으로, 따라서 SBR 공법에서 MBR을 복합 적용 시 SBR 반응조의 침전시간을 제거하는 것이 가능하다고 판단된다. The objective of this study was evaluation of possibility for deleting sedimentation at an advanced wastewater treatment plant for shipboard that can satisfy the standards of IMO MEPC. 227(64). DO was measured at 10 minute intervals during the experiment and removal efficiency was determined by measuring the T-N concentration in the effluent water. Raw water was supplied from the toilet built for experiment. SBR process was conducted with aeration 360 mins, mixing 120 mins and settling period was omitted. This experiment was conducted with MLSS concentration, 3,500 mg/L, amount of air supplied 121 L/min and intake treated water 1.2 L/min. Average of DO in the aeration period and in the anoxic period were 4.33 mg/L and 0.17 mg/L respectively. And average removal efficiency of T-N is 71.78%. This research can achieve the MEPC. 227(64). Therefore, it is possible to delete sedimentation process in SBR reactor when SBR process is connected with MBR process.
Bench-scale 선박용 고도수처리장치에서의 T-N 제거효율 연구
최영익 ( Young-ik Choi ),신대열 ( Dae-yeol Shin ),이승철 ( Seung-chul Lee ),정진희 ( Jin-hee Jung ),윤영내 ( Young-nae Yoon ) 한국환경과학회 2018 한국환경과학회지 Vol.27 No.1
In this study, the International Maritime Organization (IMO)’s guideline MEPC. 277 (64) was developed and evaluated for the removal efficiency of T-N in a SBR and MBR combined process. This combined process of resized equipment based on large capacity water treatment device for a protection of marine aquatic life. In this experiment, T-N concentration of influent and effluent was measured through with the artificial wastewater. The SBR reactor operation time was varied according to the C : N : P ratios so that different conditions for mixing and aeration period in mins (90 : 60, 80 : 40, 70 : 50) and two C: N: P ratios (10 : 5 : 3, 10 : 3 : 1) were used. During experiment in the reactor’s aeration and anoxic tank DO concentrations were 3 mg/L and 0.2 mg/L respectively. Furthermore, in the reactor MLSS concentration was 2000 mg/L and flowrate was 2 L/hr. Experiment results showed that C : N : P, 10 : 3 : 1 ratio with 90 mins mixing and 60 mins aeration maximized removal efficiency at 97.3% T-N as compared to other conditions. The application of the SBR and MBR combined process showed efficient results.
최광복 ( Choi Gwang-bok ),윤영내 ( Yoon Young-nae ),유삼수 ( Yoo Sam-soo ),이상무 ( Lee Sang-moo ) 한국구조물진단유지관리공학회 2023 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.27 No.1
본 연구는 국가하천 내성천 제방의 성능평가 결과를 분석하여 주요 손상 유형과 보수 · 보강 방법에 대해 고찰하여 시설물 유지관리의 효율성을 향상 시키고자 한다. 성능평가란, 시설물의 기능을 유지하기 위하여 요구되는 시설물의 성능(안전성능, 내구성능, 사용성능)을 종합적으로 평가하는 것으로서, 시설물에 내재되어 있는 위험요인이나 시설물 기능 및 성능저하, 상태 등을 신속 · 정확하게 조사 · 평가하고, 그에 대한 적절한 성능확보를 취하여 재해 및 재난을 예방하며, 시설물의 안전성능 및 내구성능, 사용성능을 보완 · 보전케 함으로써 시설물의 효율성을 증진시킴과 더불어 과학적 유지관리를 체계화하는데 목적이 있다.