달 탐사선의 발사 요구조건 및 임무궤도 사례연구

석병석(Suk, Byong-suk),민승용(Min, Seung-yong),권재욱(Kwon, Jae-wook),김창균(Kim, Chang-kyoon),문상만(Moon, Sang-man),최수진(Choi, Su-jin),구철회(Koo, Cheol-hea),김인규(Kim, In-kyu),류동영(Ryu, Dong-young) 한국항공우주연구원 2015 항공우주산업기술동향 Vol.13 No.2

시험용 달 궤도선의 발사 요구조건 사전 분석 단계로 최근 외국에서 발사한 달 탐사선의 발사 요구조건을 분석하였다. 일반적으로 달 탐사선의 발사 요구조건은 달 임무 궤도를 결정하는 중요한 요소이며, 또한 지구, 달, 태양의 상대적인 운동으로 인해 임무궤도 요구조건을 만족하는 발사 가능 시간이 주기적으로 반복되는 경향이 있다. 분석 결과 설정된 발사 요구조건들로부터 달 궤도선의 주 임무가 달의 남/북극 지역의 광학 관측 임을 간접적으로 알 수 있었다. 향후 우리나라 달 궤도선 발사 요구 조건 설정에 본 논문이 도움이 되길 기대한다. In the preliminary study on launch window requirement for Korea Path-finder Lunar Orbiter(KPLO), the recent foreign lunar orbiter’s lauch window requirement was analyzed. Normally, the launch requirements depends on the mission orbit. Based on the relationship between Moon, Earth, and Sun, the launch time will be available periodically to meet requirements. In this paper, it is understood that the launch window requirements come from payload mission requirements to take picture each poles of Moon. This paper might be a practical example to derive KPLO launch requirements in the future.

흰쥐에서 말초신경 손상후 뒤뿌리신경절세포의 신경영양인자와 그 수용체의 발현 양상

백선용,양만석,문총석,김봉선,김재봉,김진정 대한해부학회 1999 Anatomy & Cell Biology Vol.32 No.2

「면앙집」 分析을 통한 면앙정 景觀에 關한 硏究

문영숙,김용기 한국정원학회 2002 한국전통조경학회지 Vol.20 No.2

The landscape has precious values as the historic relic because the landscape is related to the age and the historic background. In this study, it is the purpose to figure out the landscape of the Myunangjung(免仰亭) at that time. Therefore the characteristics of the landscape are analyzed through the investigation of the 「Myunang-jip」(免仰集) and then the way how Song-Sun(宋純) and his friends had cognized of the landscape and took into the landscape is analyzed. First of all, the outline, the scenery, the seasonal change and the behavior of the Myunangjung are classified through the contents of poetry and prose in the Mynangjung-ga(免仰亭歌) and Myunangjung-gi(免仰亭記). The elements of the landscape are classified through the Myunangjung-samsibyung(免仰亭三十詠), Myunangjung-bu(免仰亭賦) and Myunangjung-won(免仰亭韻). Nest, through the poetry and prose in the Myunangjung the landscape of the poetry and prose is compared with the real landscape in order to grasp the landscape of the Myunangjung. There are the results of analysis of the landscape through the poetry and prose, analysis the elements of the landscape and comparison with the landscape of the poetry and prose and the real landscape. First, Myunangjung has the magnificent outline from Mudngsan(無等山), the root of Jewul-bong(霽月峰), and forms the Utopia for only Song sun. Second, the elements in the poetry of the Myunangjung-samsibyuong, Myunangjung-bu and Myunangjung-woon are classifield into natural elements, artificial elements, time, sensation, color and name of a place. In the results, the natural element is 57.3%, the artificial element is 22.8%, the time is 7.6%, the sensation is 6.1%, the color is 3.8% and the name of a place is 2.5%. Third, the bearing direction of southern east is different from the viewing direction of northen east. In the case of distant view, even though the real name is commended the behavior at the place or the change of landscape is represented as the invisible landscape, to say mental image.

제주도 지하수의 전기비전도도와 염소이온의 지역별 변화 양상

문영석,고기원,최영찬,고용구 濟州大學校海洋硏究所 1995 해양과환경연구소 연구논문집 Vol.19 No.-

The specific electrical conductivity and the chloride contents were monitored at 98 sits in Cheju Island during two years (1994.2∼1995.11) to the purpose of characterized to regional variations of its elements. The areas of east and west were characterized by both higher elements contain than south and north area. Chloride and specific electrical conductivity values from Kimyoung to Shinhung areas showed more than 100㎎/ℓand 400 μmohs/㎝, respectively. Also west areas relatively high values of both elements were derived from agricultural practice and feeding cattle. However, the difference of difference of these areas indicated that the groundwater environments were different.

장골정맥 압박증후군 4 예 보고

문인성,박장상,김용귀,문석일,고용복 대한혈관외과학회 1998 Vascular Specialist International Vol.14 No.2

Iliac vein compression syndrome is a rare clinical condition in which left common iliac vein is anatomically compressed between right common iliac artery and the fifth lumbar vertebrae or pelvic brim. Patients usually have marked edema of the left leg. Although the actual incidence is unknown, this syndrome most affects women in the second to fourth decade of life. We report 4 cases of iliac compression syndrome treated by surgical intervention during the last fifteen-year period. Among them, two women have suffered from chronic intermittent swelling and pain of left leg, and two men had acute or subacute symptoms. The fibrous web in the entrance of left iliac vein into vena cava existed in one case. Including this one, two were treated by transposition of iliac artery or vein with thrombectomy. One was decompressed the arterial compression by mobilization or adhesiolysis of the surrounding vessles with thrombectomy. To the last one in which the distal common iliac vein was compressed by tortous dilated left internal iliac artery, transsection and ligation of the internal iliac artery was performed. All patients have experienced improved left leg condition after operation. except the last one in which suffered from thrombosis of left popliteal vein after the iliac decompression.

급성 포름알데히드 가스 흡입에 의한 흰쥐 후각상피의 형태학적 변화

백선용,전재기,문용석,황승영,노환중,고의경,왕수건 대한해부학회 1998 Anatomy & Cell Biology Vol.31 No.3

기(氣)수련이 스트레스 반응에 미치는 영향

박미숙,이명수,정영자,김혜정,문성록,김용규 한국스포츠심리학회 2003 한국스포츠심리학회지 Vol.14 No.3

본 연구는 스트레스 반응을 측정하는 스트레스 반응 척도 설문지(Symptoms of Stress: SOS)를 이용한 횡단적 연구로서 심신수련의 하나인 기수련이 스트레스 반응에 미치는 효과를 살펴보았다. 72명의 건강한 정상인과 180명의 기수련자를 대상으로 하여 조사하였으며, 기수련자들은 수련기간에 따라 초급군(1-4개월; 64명), 중급군(5-12개월; 50명), 고급군(1년 이상; 66명)로 나누었다. 실험결과 1년 이상 수련한 기수련자들이 말초혈관 증상군, 심폐 증상군, 중추신경계 증상군, 위장계증상군, 습관적 행동 형태군, 우울 증상군, 불안증상군등의 스트레스 반응 하위척도에서 대조군에 비해 통계적으로 유의하게 감소하였다. 전체 스트레스 값은 대조군에 비해 기수련자 집단이 아주 낮았으며 수련기간이 길수록 감소하였다. 이러한 결과는 기수련이 스트레스 중재와 스트레스 증상을 줄이는데 효과가 있음을 나타낸다. We examined the effects of Qi-training, one of Korean traditional psychosomatic training, on stress coping ability by cross-sectional investigation with inventory of symptoms of stress (SOS). Four types of groups- normal healthy (n-74), three groups of Qi-trainees (group primary level: subjects with Qi-training for 1-4months, n=64; middle level: 5-12 months, n=50; high level: more than 12 months, n=66) participated in this study, Qi-trainees with over 1 year training had significantly lower scores in all SOS subscales compared to controls. Total stress scores of Qi-trainee groups were substantially lower than controls and further reduction with larger training periods. These results suggest Qi-training is effective in stress management and decreasing symptoms of stress

온라인 교육 사이트의 교육 환경 및 효과 분석

이용주,문양세,김혜숙,김진호 강원대학교 정보통신연구소 2008 정보통신논문지 Vol.12 No.-

In recent years, people are gradually interested in the Internet-based educational programs (also known as e-learning and cyber lectures), and online education is now widely used in various educational areas. In this paper, considering the environment and achievement aspects we analyze online education by dividing it into public education and private education. We analyze the online education as the following steps. First, we review the recent online educational methods by comparing them to the traditional offline educational ones. Second, we compare EBS, a representative public educational site, and Megastudy, a representative private educational site, by investigating their operation, human, economic, hardware, and software resources. Third, we compare EBS and Megastudy in aspects of environment and achievement through a survey on high-school students after providing their sample lectures. Analytical results show that the students of using Megastudy get good grades compared with those of using Megastudy. This is because Megastudy provides the specialized lectures that focus on obtaining high scores in examinations. We believe that our research results will provide important directions in improving the quality of online educational sites.

菊花의 消費水量에 대하여

黃龍鎭,鄭汶銖,宋錫銀 진주산업대학교 농업기술연구소 1992 農業技術硏究所報 Vol.5 No.-

菊花의 消費水量을 調査하기 위하여 溫室內에서 灌水의 水準을 FC-PF 2.0, FC-PF 2.2, FC-PF 2.4의 水準으로 灌水하여 그 消費水量을 구한 結果 1. 灌水의 水準別 消費水量은 平均 FC-PF 2.0에서 3.1mm/day FC-PF 2.2 水準에서 2.6mm/day, FC-PF 2.4의 水準에서 2.2.mm/day이고 最大 1日 蒸發散量은 FC-PF 2.0 水準에서 4.7mm/day, FC-PF 2.2의 水準에서 3.5mm/day, FC-PF 2.4의 水準에서는 2.8mm/day이다. 2. 줄기의 伸長率은 9月 10日을 基準으로 FC-PF 2.0의 水準에서는 9月下旬에 1.91, 10月中旬에 2.58, 11月中旬에 2.84이고 FC-PF 2.2의 水準에서는 9月下旬에 1.78, 10月中旬에 2.51, 11月中旬에 2.73이며, FC-PF 2.4의 水準에서 9月下旬에 1.86, 10月中旬에 2.26, 11月中旬에 2.69였다. 3. 1回의 灌水量은 12.3mm이고, 間斷灌水日數는 4日이였다. The purpose of this study is to find out the basic data for irrigation plans of Chrysamthmum during the growing period. The experiment pots were arranged with three irrigation level (FC-PF 2.0, FC-PF 2.2, FC-PF 2.4) for Chrysanthmum. 1. The comsumptive use of water for irrigation level were 3.1mm/day at FC-PF 2.0, 2.6mm/day at FC-PF 2.2 and 2.2mm/day at FC-PF 2.4. The value of maximum evapotranspiration for one day were 4.7mm/day at FC-PF 2.0, 3.5mm/day at FC-PF 2.2 and 2.8mm/day at FC-PF 2.4 for each irrigation level. 2. The relative ratio of stem length, compared with that of standard time point Sep. 10, were 1.92 on last of Sep., 2.58 on medium of Oct., 2.84 on last of Nov. at FC-PF 2.0, 1.78 on last of Sep., 2.51 on medium of Oct., 2.73 on medium of Nov. at FC-PF 2.2 and 1.86 on last of Sep., 2.26 on medium of Oct., 2.69 on medium of Nov. at FC-PF 2.4 for each irrigation level. 3. Maximum water quantity of one time irrigation were 12.3mm and irrigation interval were 4 days.

矮化劑 處理가 바나나의 生育 및 收量에 미치는 影響

李宗錫,姜榮吉,朴才昊,韓海龍,文斗吉,金龍湖 濟州大學校 亞熱帶農業硏究所 1990 亞熱帶農業硏究 Vol.7 No.-

바나나에 알맞은 矮化劑를 選拔하고자 몇종의 矮化劑를 Dwarf Cavendish에 처리하였던 결과를 요약하면 다음과 같다. 1. 주당 80mg 이하의 paclobutrazol 土壤灌注 처리는 草長, 莖葉特性, 果實收量, 果實特性 등에 영향을 주지 않았다. 200mg 이상 처리구에서는 草長과 假莖長이 단축되는 경향을 보였고 果梗長은 유의성 있게 단축되었으나 다른 莖葉特性이나 果實收量, 果實特性은 무처리구와 큰 차이가 없었다. 2. 주당 20mg의 ancymidol 土壤灌注에 의해서 草長과 假莖長이 단축되는 경향이나 다른 莖葉特性이나 果實收量, 果實特性은 무처리구와 큰 차이가 없었다. 3. 5000ppm의 chlormequat 수용액 2회 葉面撤布區에서는 草長, 莖葉特性, 果實收量, 果實特性 등이 무처리구와 비슷하였다. 4. 草長과 假莖을 현저히 단축시키는 藥量의 矮化劑를 처리할 때 果梗이 假莖에서 빠져나오지 못할 것으로 보여 바나나에 있어서 矮化劑의 실용성은 없을 것 같다. This study was conducted to select growth retardants for bananas grown in a plastic greenhouse. The various rates of paclobutrazol(40, 80, 200 and 400mg/plant) and 20mg/plant of ancymidol were soil drenched and 5000ppm solution of chlormequat was foliarly sprayed twice. Application of less than 80mg of paclobutrazol did not affect plant height, pseudostem and leaf characteristics fruit yield and fruit characteristics. Application of 200 or 400mg of paclobutrazol tended to reduce plant height and pseudostem length and significantly shortened fruit stalk but did not affect the other characteristics. Application of 20mg of ancymidol tended to reduce plant height and pseudostem length but did not influence the other characteristics. Foliar spray of 5000ppm solution of chlormequat did not influence any measured plant traits. Application of growth retardants to bananas grown in a plastic greenhouse may not be beneficial because growth retardant rates to reduce plant height and pseudostem length significantly appear to prevent fruit stalks from fully emerging.