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A Study of the Yang-gyeong-gyu-il-ui (兩景揆日儀) in the Joseon Dynasty
Yong Sam Lee,Sang Hyuk Kim,Byeong-Hee Mihn 한국우주과학회 2015 Journal of Astronomy and Space Sciences Vol.32 No.1
The Yang-gyeong-gyu-il-ui (兩景揆日儀) is a kind of elevation sundial using three wooden plates. Sang-hyeok Lee (李尙爀, 1810~?) and Byeong-cheol Nam (南秉哲, 1817~1863) gave descriptions of this sundial and explained how to use it in their Gyu-il-go (揆日考) and Ui-gi-jip-seol (儀器輯說), respectively. According to Gyu-il-go (揆日考) there are two horizontal plates and two vertical plates that have lines of season and time. Subseasonal (節候) lines are engraved between seasonal (節氣) lines, subdividing the interval into three equal lines of Cho-hu (初候, early subseason), Jung-hu (中候, mid subseason) and Mal-hu (末候, late subseason); there are 13 seasonal lines for a year, thus resulting in 37 subseasonal lines; also, there are 12 double-hour (時辰) lines for a day engraved on these plates. The only remaining artifact of Yang-gyeong-gyu-il-ui was made in 1849 (the 15th year of Heon-jong) and is kept at the Korea University Museum. We have compared and analyzed Yanggyeong- gyu-il-ui and similar western sundials. Also, we have reviewed the scientific aspect of this artifact and built a replica. Yang-gyeong-gyu-il-ui is a new model enhanced from the miniaturization development in the early Joseon Dynasty and can be applied to the southern part of the tropic line through a structure change.
A Study of the Yang-gyeong-gyu-il-ui (兩景揆日儀) in the Joseon Dynasty
Lee, Yong Sam,Kim, Sang Hyuk,Mihn, Byeong-Hee The Korean Space Science Society 2015 Journal of Astronomy and Space Sciences Vol.32 No.1
The Yang-gyeong-gyu-il-ui (兩景揆日儀) is a kind of elevation sundial using three wooden plates. Sang-hyeok Lee (李尙爀, 1810~?) and Byeong-cheol Nam (南秉哲, 1817~1863) gave descriptions of this sundial and explained how to use it in their Gyu-il-go (揆日考) and Ui-gi-jip-seol (儀器輯說), respectively. According to Gyu-il-go (揆日考) there are two horizontal plates and two vertical plates that have lines of season and time. Subseasonal (節候) lines are engraved between seasonal (節氣) lines, subdividing the interval into three equal lines of Cho-hu (初候, early subseason), Jung-hu (中候, mid subseason) and Mal-hu (末候, late subseason); there are 13 seasonal lines for a year, thus resulting in 37 subseasonal lines; also, there are 12 double-hour (時辰) lines for a day engraved on these plates. The only remaining artifact of Yang-gyeong-gyu-il-ui was made in 1849 (the $15^{th}$ year of Heon-jong) and is kept at the Korea University Museum. We have compared and analyzed Yang-gyeong-gyu-il-ui and similar western sundials. Also, we have reviewed the scientific aspect of this artifact and built a replica. Yang-gyeong-gyu-il-ui is a new model enhanced from the miniaturization development in the early Joseon Dynasty and can be applied to the southern part of the tropic line through a structure change.
金炳天,金三根 안성산업대학교 1991 論文集 Vol.23 No.-
This paper presents how to design the integrated image database system for image and relational database since past years. The image database management system that maintains both image and signal data is stored in logical image, which consists of the set of image objects, and relational table. Since database and image processing techniques have been recently developed, and memory and device technology have been considerably advanced, there are fast increasing the requirement that integrates both image and database. This paper, therefore, proposes the image database management system that introduces query for user friendliness. The purpose of this paper is to is to focus on concernment for image database.
김병삼,임경호,나양기,김희곤,김월수 全南大學校 農業科學技術硏究所 2001 農業科學技術硏究 Vol.36 No.-
This study was carried out to investigate the effects of root pruning methods for tree vigor stability and flower bud differentiation of 'Sunaga Wase' peach. The treatment was one side 10㎝, 20㎝ and both sides 10㎝, 20㎝ depth under canopy in after summer pruning. Among the treatment, canopy volume was 0.26㎥ lower than non-treatment and flower bud differentiation and Fruit yield increased 18.8%, 9% on both sides root pruning 20㎝ depth, therefore suitability root pruning method of density peach tree was both sides root pruning 20㎝ depth.
복숭아 품종별 경지 삽목에 있어서 삽수기부의 Wounding이 발근 및 활착에 미치는 영향
林敬鎬,金炳三,金月洙,羅良基,鄭淳柱 전남대학교 농업과학기술연구소 2000 農業科學技術硏究 Vol.35 No.-
The effect of wounding method on rooting and field adaptation was studied in 'Sunaga Wase' peach and several cultivars in order to establish mass production system of rooted cutting. Rooting was more than 90% in 'Sunaga Wase', 'Kurakata wase', 'Wolbongjosaeng' and 'Wolmijosaeng', and Root number, weight and length showed similar tendency, however, taking root in field was the highest, as much as 75.8% 'in Sunaga Wase'. Modified wounding tool (MWT) was more effective than current method because rooted cutting with MWT showed high root growth including rooting, root number, root weight and saved wounding time.
복숭아나무 揷穗의 크기와 저장양분의 發根과 圃場活着에 미치는 影響
林敬鎬,金炳三,黃仁澤,金月洙,金光秀,金相喆 全南大學校 農業科學技術硏究所 1998 農業科學技術硏究 Vol.33 No.-
복숭아나무 경지삽목 번식에 있어서 삽수 굵기와 길이 및 삽수내 저장 양분 함량이 발근과 포장활착에 미치는 영향을 구명하였다. 삽수 굵기는 直徑 5∼8㎜의 삽수가 발근율이나 발근수, 발근장 등 뿌리 발달이 좋았으나 포장 활착율은 삽수재 저장양분이 많은 직경 8∼11㎜가 좋았다. 삽수 길이는 20∼30㎝ 처리가 발근율, 발근수, 발근장 등 발근력이 좋았으나 포장 활착율은 삽수재 잔존 저장 양분이 많은 30㎝ 길이가 좋았다. 삽목용 적정삽수는 8㎜ 굵기에 30㎝ 길이가 가장 효과적이었으며 포장에서 활착후 묘고, 간경 등 생육은 모든 처리에서 116㎝ 이상, 20.4㎜ 이상으로 삽목 당년에 우량묘가 생산되었다. This experiment was studied to examine the effect of cutting size and storage nutrient on rooting and survival in field using hardwood cutting of 'Sunaga Wase' peach to establish mass production system of rooted cutting. Cuttings having 5 to 8㎜ in stem diameter showed the best rooting percentage, root number and root length. In the survival in field, the stem diameter of 8 to 11㎜ showed the highest survival rate and less consumption of storage nutrient during cutting. Those hardwood cuttings of 20 to 30㎝ in stem length showed the best rooting, and higher survival in field was obtained in 30㎝ long cuttings. After transplanting rooted cuttings to field, tree height and trunk diameter of 'Sunaga Wase' peach was 116㎝ and 20.4㎜, respectively.
비가림 및 망사 시설재배가 참다래의 수체생육 및 과실품질에 미치는 영향
나양기,마경철,임동근,김병삼,임경호,김월수,이상현,박용서 全南大學校 農業科學技術硏究所 2001 農業科學技術硏究 Vol.36 No.-
This studies were conducted to investigate the effects of rain shelter and netting on the tree growth, fruit set fruit quality of kiwifruit (Actinidia deliciosa). In rain shelter and net house, shoot falling wasn't occurred by strong wind, and fruit set, fruit weight and also fruit malformation, side flowering increased at the same time. In rain shelter house the increment temperature forced blooming date and increased shoot length, leaf number and diameter but in net house these tendencies were not observed. Relative light intensity of rain shelter house was higher than that of net house with standard of field culture (relative light intensity: 100%). Soluble solid content was higher in rain shelter house, and acid content was higher in net house. With the effect of rain sheltering the occurrence of bacterial bloom rot and canker significantly decreased in both rain shelter and net house but insect injury increased. These data showed that rain shelter house is more suitable for kiwi fruit culture.
養液濃度와 培地種類가 Black Olympia 포도나무의 生育과 果實品質에 미치는 影響
김희곤,김광수,김월수,임경호,최경주,김상철,김병삼 全南大學校 農業科學技術硏究所 1999 農業科學技術硏究 Vol.34 No.-
본 硏究는 養液栽培時 養液濃度와 培地種類가 대립계 포도품종인 Black Olympia의 生育과 果實品質에 미치는 영향을 구명하고자 하였다. 新梢長은 0.5배에서 1.5배의 양액농도에서 농도가 높을수록 길었고, 배지종류별로는 0.5배 농도에서는 밭흙과 퇴비를 1:1로 혼합한 배지에서 신초장이 길었으나 1.5배 농도에서는 오히려 짧게 나타났다. 節間長은 저농도의 양액농도에서는 밭흙과 퇴비를 혼합한 배지가 길었으나 1.5배의 고농도에서는 차이를 보이지 않았다. 각 배지에서 濃度가 높을수록 간경이 크게 나타났으며 배지종류간에는 펄라이트와 버미큘라이트 혼합배지가 밭흙과 퇴비를 혼합한 배지보다 컸으나 유의차가 없었다. 果房重은 각 배지에서 1.0배의 양액농도가 가장 무거웠으며 배지 종류간에는 밭흙과 퇴비를 혼합한 배지가 더 무거웠다. 糖度는 각 배지의 1.0배 양액농도가 높았으며 배지종류간에는 차이를 보이지 않았다. 果皮의 안토시아닌 함량은 배지별로 밭흙과 퇴비를 혼합한 배지에서 높았으며 양액농도별로는 1.0배에서 높게 나타났다. 收量은 펄라이트와 버미큘라이트를 혼합한 배지에서 양액농도가 높을수록 많았으나 밭흙과 퇴비 혼합배지에서는 1.0배의 농도에서 높게 나타났다. This study was carried out to investigate the effects of ionic strength and substrates on growth and fruit quality, and to establish fruit tree nutrient solution culture. The higher ionic strength showed the longer shoot length of grape. Among the substrates, upland soil+compost showed longer shoot length than perlite+vermiculite in 0.5 strength but shorter in 1.5 strength of Hoagland solution. Internode length was longer in upland soil+compost than in perlite+vermiculite in 0.5 strength, but there were no significance in 1.0 and 1.5 strength of Hoagland solution. Higher ionic strength and/or perlite+vermiculite of substrates showed tricker in trunk diameter than lower ionic strength and/or upland soil+compost. Cluster weight was heavier in 1.0 ionic strength than the others. Cluster weight in upland soil+compost was heavier than that of perlite+vermiculite. Soluble solids content of berry was the highest as much as 17.3。 Bx on 1.0 ionic strength of three strength, but there are no significances in substrates. Anthocyanin content of grape skin was higher in upland soil+compost than perlite+vermiculite, as well as the highest in 1.0 strength among three strengths. The higher ionic strength showed the more berry set. Each substrate showed uniformal berry set and growth. The best result in berry yields was obtained in 1.0 ionic strength with substrate of upland soil+compost in comparison to other treatments.
Byeong Sam Choi,Sungjoon Lee 대한척추신경외과학회 2015 Neurospine Vol.12 No.4
A 48-year-old woman presented with acute voiding difficulty, numbness and weakness of both lower extremities. Magnetic resonance imaging (MRI) showed an intramedullary hemorrhagic mass that extended from T9 to T10. T8-T10 laminotomy and surgical removal of the hemorrhagic mass was performed. The pathological diagnosis was hematoma. Her neurological status remained the same after the operation. At 5 days post-operation, the patient suddenly became paraplegic, and MRI that was immediately performed revealed a recurrent intramedullary hemorrhage. Emergent surgical evacuation was performed. Again, histological examination showed only hematoma, without any evidence of abnormal vessels or a tumor. A postoperative MRI revealed no abnormal lesions other than those resulting from postoperative changes. At a 9-month follow up, the patient could walk a short distance with the aid of a walker. Because spontaneous intramedullary hemorrhage with unknown etiology is very rare, it is essential to perform a meticulous inspection of the hemorrhagic site to find the underlying cause. Repeated hemorrhage can occur; therefore, close observation of patients after surgery is important in cases without an apparent etiology. Urgent surgical evacuation is important to improve outcomes in these cases.