맥주맥 F_1세대의 조합능력 검정

정원복,오주성,황필성,김수동,서세정,현종내,김대호 東亞大學校 2002 東亞論叢 Vol.39 No.-

맥주맥의 이면교잡에 의한 F_1세대에 대한 조합능력을 검정한 결과를 요약하면 다음과 같다. 8개 형질에 대한 GCA, SCA, RCA효과를 검정한 바 조합능력은 전 형질에서 GCA, SCA, RCA가 모두 유의하였는데 간장, 수장, 망장, 간직경, 곡핍폭, 1수립수 1000립중은 GCA가 SCA보다 크고, 품종간 GCA효과는 진양보리가 간장에서 부(-)이고, 삼도보리가 수장·망장·간직경·1000립중에서, 사천6호가 망장과 간직경에서, 진광보리가 곡립장에서, 두산29호가 곡립폭·1수립수·1000립중에서 각각 정(+)으로 높았다. SCA효과에서 수장은 두산29호×두산8호 조합이, 망장은 진양보리×두산29호 조합이, 간직경은 사천6호×진광보리 조합이, 곡립장은 진양보리×두산8호 조합이, 곡립폭은 진광보리×두산8호 조합이, 1수립수는 진양보리×삼도보리 조합이, 1000립중은 사천6호×두산8호 조합 및 두산29호×두산8호 조합이 각각 정으로 높았고, 간장은 삼도보리×진광보리 조합이 부로서 높았다. RCA효과에서 수장은 두산8호×남향보리 조합이, 망장은 진양보리×삼도보리 조합이, 간직겨은 사천6호×진양보리 조합이, 곡립장은 사천6호×진광보리 조합이, 곡립폭은 진양보리×삼도보리 조합이, 1수립수는 사천6호×두산29호 조합이, 1000립중은 진양보리×두산29호 조합이 각각 정으로 높았고, 간장은 사천6호×두산29호 조합이 부로서 높았다. Seven barley varieties in F_1 generation of the possible crosses among them were used to estimate the combining ability for eight characters, i.e., culm length, spike length, awn length, culm diameter, grain length, grain width, number of grains per spike and 1000 grains weight. Data for F_1 hybrid and parents were subjected to the analysis method proposed by Griffing. The results obtained were summarized as follows. mean squares of general combining ability(GCA), specific combining ability(SCA) and reciprocal combining ability(RCA) were significant for all characters observed. Mean squares of GCA were higher than those of SCA and RCA in culm length, spike length, awn length, culm diameter, grain width, number of grains per spike and 1000 grains weight. Variety Dusan#29 showed the highest GCA effect for number of grains per spike and positively high effects of GCA were observed from variety Samdo bori in spike length, awn length, culm diameter, 1000 grains weight, and from variety Jinkwang bori I grain length, from Dusan#29 in grain width, umber of grains per spike, 1000 grains weight. Also Jinyang bori showed negatively high GCA effect in culm length. In SCA effects, hybrids in Jinyang bori × Samdo bori were exhibited positively high for number of grains per spike and high SCA effects for 1000 grins weight were found positively in Sacheun#6×Dusan#8 and Dusan#29×Dusan#. In RCA effects, hybrids in Sacheun#6×Dusan#29 were exhibited positively high for number of grains per spike and high RCA effects for 1000 grains weight were found positively in Jinyang bori×Dusan#29.

Aerobic Dance가 主婦의 體力 및 身體構成에 미치는 效果에 대한 硏究

禹善弼,姜東洹 慶熙大學校 體育科學大學 1990 體育科學論叢 Vol.- No.3

The purpose of this study was to see the change of pulmonary function, physical fitness, physique and Body Composition affected by Aerobic movement during 10 weeks. The study was conducted by observing. The following results were concluded the home-keepers who were in their 30s. 1. Body weight, Waist Girth, and Thigh Girth of physique were decreased, and Chest Girth and upper Arm Girth were increased. 2. Skinfold Thickness of Body Composition was totaly decreased, but Lean Body and mass was increased. 3. Book strength and Trunk Flextion were improved better than before, and the height of sargent Jump and the Number of side step were decreased. 4. Average and total Lung Function were decreased after the training compared to before exercise. According to the results of this research, Aerobic exercise has a little effect on weight reduction and physical fitness improvement, but has no effect on Lung function. Also, although strength and Flexibility has been improved as a result of the Aerobic movement, some aspects of power and Agility have not been improved. As a conclusion, although Aerobic exercise can not improve general fitness of the homekeeper but maintain previous fitness level and body shape.

중등도 심부전증 환자에서 Carvedilol의 치료 효과

차동훈,차영수,국진환,황경화,김형태,임상욱,김태용,조윤경,박필원 대한순환기학회 1998 Korean Circulation Journal Vol.28 No.4

반복작업에 의해 발생한 척골관 증후군 1례

김정원,박인선,이영준,김유창,김필자,강동묵,이채언 대한산업의학회 2000 대한직업환경의학회지 Vol.12 No.2

Objectives : To report cubital tunnel syndrome due to repetitive motions. Methods : A worker complaining muscle weakness and atrophy of the right hand intrinsic muscles admitted to a hospital. We evaluated him with blood tests, neurophysio-logic studies (NCV & EMG), plain X-ray and US at the both elbows. We investigated his occupational history, and videotaped his work motions based on the work cycle at his previous work site. Finally, an ergonomics expert analyzed the motions using rapid upper limb assessment (RULA). Results : NCV & EMG studies reveals slow conduction velocity on both ulnar nerve across the elbow, more severely in the right side. US shows us compatible finding with diffuse neuritis of both ulnar nerves at both elbows. RULA score is 7. Conclusion : We confirmed that the worker's symptoms were related to his previous jobs demanding repetitive motions using the elbow joints. It is necessary that we should prepare appropriate measures to evaluate, prevent, rehabilitate, and help injured workers to return to work.

독일바퀴의 變態에 따른 蛋白質의 Electrophoretic Pattern과 無機物質에 관한 硏究

吳世源,金東弼 광주보건대학 1986 論文集 Vol.11 No.-

The protein electrophoretic patterns, molcular weight of protein and the concentrations of mineral salts during metamorphosis of the german cockroach, Blattella germanica L. were measured by using SDS-polyacrylamide gel electrophoresis and Atomic absorption spectrophotometric methods, respectively. Healthy specimens were chosen as samples of each developmental stages; the second nymph, the fourth nymph, the sixth nymph and adult. Protein patterns were shown to form 24 bands according to their mobilities on electrophoresis but qualitative differences manifested in their patterns among all stages. At all developmental stages, the highest molecular weight was about 202,000 and the lowest one was about 17,000. A low molecular weight band was diminished, whereas an optical density of the high molecular weight band was in high concentration at adult stage. Mineral salts such as calcium, magnesium, zinc, iron, phosphorus, potassium and sodium were analyzed at all stages of metamorphosis. Changes in zinc, potassium and sodium concentrations through the coures of the physiological cycle showed generally a U-shaped curve during metamorphosis.

새로운 螺幹碍子의 特性開發에 關한 硏究

金東弼,金元燮,金斗錫 全北大學校 1981 論文集 Vol.23 No.-

Recent increase in power supply capacity modernization and rationalization of high voltage distribution lines in korea requires electrically and mechanically more reliable insulators. The electical porcelain which has made today's EHV power transmission possible must be highly reliable in its mechanical strength as well as in electrical properties. Many studies have been made in search for a better porcelain that meets the requirements. This report portrays and compares various aspects and characteristics of electrical porcelains such as Conventional Porcelain, Alumina Porcelain and Cristobalite Porcelain in terms of their characteristics and applications. Also explained are the studies made on compression glaze, internal stress, size effect and electrical properties. Spiral rod line post insulators have been developed out of these needs and they have already demonstrated excellent performances in service. The outstanding features of these insulators are as follows. 1) As alumina porcelain is used, mechanical strength and power are resistibillity are excellent. 2) They are free from deterioration and puncture because of the solid core construction, virtually maintenance-free. 3) The insulation level is 1.5 times that of the existing pin type insulators. This strengthened insulation level is effective for preventing lightning flashover of the insulator and therefore it is also effective to protect insulated conductor from power arc melting breakage. 4) They show superior characteristics under heavy pollution conditions due to the antipollution design of insulator profile.

家蠶育種을 위한 繭形質의 遺傳分析

鄭元福,朴東洵,姜弼敦 東亞大學校 1986 東亞論叢 Vol.23 No.1

蠶作安定多收性 育成의 重要性에 비추어 有用한 形質의 遺傳關係를 初期에 推定하고 效率的인 選拔을 爲한 基礎資料를 얻고자 形質相互間의 特性을 고려한 2個品種을 二面交雜하여 F??의 主要 形質에 대한 優性程度 및 組合能力 등을 檢定한 結果는 다음과 같다. 1. Vr-Wr graph에서 雌單繭重과 雄單繭重은 超優性으로, 雌繭層重, 雄繭層重, 雌繭層比率 및 雄繭層比率은 各各 不完全優性으로 推定되었다. 2. 各 形質에 대한 分散成分의 推定에서 雌繭層重, 雄繭層重, 雌繭層比率 및 雄繭層比率은 遺傳子의 相加的 效果가 優性效果보다 더 컸고, 雌單繭重과 雄單繭重은 反對의 樣相이었다. 優性程度와 平均優性程度에서도 雌雄單繭重에서 超優性이고, 雌雄繭層重과 繭層比率은 各各 不完全優性이었다. 3. 一般組合能力과 特定組合能力을 檢定한 바, 6個形質 모두 一般組合能力(GCA)이 特定組合能力(SCA)보다 높게 評價되었다. 4. GCA 效果의 경우, 蠶114가 雌單繭重이 6個形質中에서 가장 높았고, 蠶108이 雄單繭重, 雌繭層重, 雄繭層重, 雌繭層比率 및 雄繭層比率에서 各各 높게 評價되었다. SCA 效果는 蠶107×蠶113은 雌繭層比率에서, 蠶107×蠶114는 雄繭層重과 雄繭層比率에서, 蠶108×複形蠶은 雌繭層重에서, 蠶108×中14는 雄單繭重에서, 蠶113×綠東亞는 雌單繭重에서, 蠶114×複形蠶은 雌單繭重, 雄單繭重 및 雄繭層重에서, 中14×綠東亞는 雌繭層重, 雌繭層比率 및 雄繭層比率에서 各各 높게 評價되어 주로 奬勵蠶品種인 蠶108, 蠶114가 關與하는 組合에서 SCA 效果가 큰 傾向이었다. Since the estimates of the genetic relations between characters gave us effective basic informations about the selection of good strains of the silkworm, this experiment was carried out to estimate the degree of dominance and the combining ability for the some main characters of the silkworm such as cocoon weight and cocoon layer ratio and weight, using the 21 combinations of F??'s by diallel corsses of seven strains of the silkworm. As the result of this experiments, some conclusions obtained were as follows. 1. The male and female cocoon weights are inferred over dominance and their cocoon layer weights and ratio partial dominance from Vr-Wr graph. 2. The additive effect of gene on the male and female cocoon layer weights and ratio is higher than the dominance effect, on the contrary, the latter on both the cocoon weights is higher than the former. Also, in the average degree of dominance, both the cocoon weights are over dominance and the male and female cocoon layer ratio and weights are partial dominance. 3. The effect of general combing ability(GCA) on the 6 characters analysed in this experiments is higher than that of specific combining ability(SCA). 4. In the effect of GCA, the male cocoon weight of Jam 114 is the highest of 6 characters, the male and female cocoon layer ratio and weights of Jam 108 and the male cocoon weight of Jam 108 are relatively high. The effect of SCA on the female cocoon layer ratio of Jam 107×Jam 113, the female cocoon layer weight of Jam 108×Bokhyeong Jam, the male cocoon weight of Jam 108×Jung 14, the female cocoon weight of Jam 113×Nog Dong-A, the male and female cocoon weights and male cocoon layer weight of Jam 114×Bokhyeong Jam, and the female cocoon layer weight and the male and female cocoon layer ratio fo Jung 14×Nog Dong-A is estimated high. Generally, the combinations including the recommended strains of the siklworm such as Jam 108 and Jam 114 tend to be high in the effect of SCA.

建물周圍의 2次元 流動場에 관한 數値解析

정재욱,원성필,이동환 울산대학교 1987 연구논문집 Vol.18 No.2

建物周圍를 지나가는 공기는 비나 눈 또는 굴뚝의 연기, 먼지 등을 운반하며, 建物內部의 通風시스템을 교란하고 建物의 冷暖房에도 영향을 끼친다. 따라서 本 硏究에서는 바람이 끼치는 영향을 조사하기 위해 간단한 사각형의 단면을 가지는 單一建物의 경우와 複數建物이 있는 경우의 2次元 流動場을 有限差分法으로 解析하였다. 이 硏究는 單一建物 周圍의 流動場 解析結果를 확장하여 複數建物周圍의 流動場을 解析하는데 主目的이 있다. 數値解析 結果, 單一建物인 경우에는 旣存의 實驗結果와 잘 一致하였으며, 複數建物인 경우에는 隣接한 建物의 높이 및 建物사이의 떨어진 거리에 따라 流動場은 큰 영향을 받음을 알 수 있다. Air around a building carries snow or chimney smoke and upsets the internal ventilation system through the infiltration effect. Therefore, infiltrated air affects the heating and cooling system directly. In order to investigate the effects of 2-dimensional wind, flow field over single building with rectangular shape has been analyzed by the finite difference method. The analysis has been extended to the case of two adjacent buildings. This study shows that the results of numerical analysis in single building coincide qualitatively with the earlier experimental results and in the case of two adjacent buildings, the height of backward building and the distance between building effects the flow field.

완전뇌허혈후 재관류시에 국소뇌혈류, 체성감각유발전위 및 신경학적 회복에 대한 Mannitol과 Thiopental의 효과

박춘근,이상원,박영섭,최승진,허필우,정동섭,강준기,최창락 대한신경외과학회 1996 Journal of Korean neurosurgical society Vol.25 No.2

The cardiopulmonary bypass or cerebral circulation arrest is often used in the treatment of complex aneurysm or of arteriovenous malformation to decrease the risk of intraoperative aneurysm rupture. Although experimental studies have suggested that some drugs may protect the brain from ischemic injury, there are limitations in maintaining cerebral perfusion arrest without incurring neurologic deficits due to the initiation of detrimental processes including excitotoxic neuronal injury, activation of phospholipases, influx of calcium, and generation of damaging free radicals. The purpose of this study is to determine wheter mannitol or thiopental has any favorable effects on the recovery of neurologic deficits and on the regional cerebral blood flow(rCBF), somatosensory evoked potential(SEP) and electroencephalogram(EEG) in cats which underwent 15 minutes-complete global ishcemia-reperfusion. The complete global ischemia was produced in 38 cats by temporary intrathoracic occlusion of the innominate artery and the subclavian artery following ligation of bilateral mammary arteries and simultaneous induction of hypotension. The cats were allocated randomly to one of 4 treatment groups : (1) control group, 8 cats received equal volume of saline solution : (2) thiopental group, 10 cats received 45㎎/㎏ thiopental intravenously, (3) mannitol group, 10 cats received 2g/㎏ mannitol intravenously, (4) combined mannitol and thiopental group, 10 cats received equal dose of mannitol and thiopental intravenously. The drugs were administrated in a equally divided dosage before and after the ischemic episode. The results were as follos : 1) Eight animals which received saline showed the severe postischemic hypoperfusion and poor recovery of SEP and EEG, and 6 of them died within 6 hours after the ischemia. 2) Ten thiopental-treated animals also showed the severe postischemic hypoperfusion and poor recovery of SEP and EEG, and 6 of them died within 6 hours the ischemia. 3) Both mannitol-and combined treated groups showed early recovery of EEG, good recovery of SEP and EEG without the severe postischemic hypoperfusion, and 7 of 10 mannitol-treated animals and 8 of 10 combined treated animals were significantly recovered in all parameters. There were not significant differences in all parameters between the mannitol-and combined treated groups. 4) Thirty-four of 38 animals involved in this 15 minutes-ischemia resulted in the severe neurologic deficits inspite of treatment with mannitol, thiopental or both of them. These results suggest that, in cats, mannitol treatment is effective but not thiopental in preventing severe neurologic injury following complete global ischemia and the duration of complete ischemia should be far less than 15 minutes.

디지털카메라를 이용한 3차원 측량 기법 개발에 관한 연구

崔哲淳,崔勝弼,韓元浩,金東熙 관동대학교 1997 關大論文集 Vol.25 No.2

Photographic survey is possible that it can survey the simultaneous three-dimensional survey about so many points, therefore it is so fast and precisely. We takes a snap the objects with digital carema, and input the data to the computer from this data. We can take the three-dimensional coordinate through relative orientation, absolute orientation and have to check the merit of three-dimensional suveying. Otherwise we can get the error in one centimeter after analysis three-dimension coordinate and we can get the higher precise accuracy cause to set the camera angle of 20∼45 degrees.