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천영주,이학림,신명호,이수기,이봉덕,손찬구 충남대학교 농업과학연구소 2007 농업과학연구 Vol.34 No.1
A layer feeding trial was conducted for 10 weeks to investigate the effects of the addition of corn distillers dried grains with solubles (DDGS) to layer diets on the laying performance, egg qualities, and yolk fatty acid composition. Nine hundred Hyline Brown layers, 24 weeks of age, were randomly allotted to 20 replicate laying cages, 45 birds per replicate. There were four diet treatments (0, 10, 15, and 20% DDGS), and five replicates per treatment. All experimental diets were prepared to contain iso-protein (17%) and iso-calorie (TMEn 2,780 kcal/kg). The use of DDGS up to 20% level in layer diets did not exert any influence on feed intake, laying rate, total egg mass, mean egg weight, and feed conversion ratio. DDGS did not exert any influence in weight of egg, breaking strength, and color of eggshell. The albumen height and Haugh unit was not influenced by DDGS addition. The yolk color was significantly increased by DDGS supplementation. As the DDGS level increased, the oleic acid content decreased, and the linoleic acid increased (P<0.05). The degree of saturation of yolk fatty acids was not affected by dietary DDGS. The inclusion of DDGS up to 20% in layer diets resulted in the decrease of feed cost per kg without any effect in the laying performance. In conclusion, the use of DDGS up to 20% level in layer diets could replace corn and soybean meal without any harmful effect on the laying performances.
측두엽 간질에서 F-18-FDG PET에 나타난 측두엽 내외측 부위별 대사의 차이
이명철,이동수,정준기,김현집,송호천,이상건,여정석 대한핵의학회 1999 핵의학 분자영상 Vol.33 No.1
Purpose: We investigated the difference of glucose metabolism of medial and lateral temporal lobes of patients with temporal lobe epilepsy (TLE) utilizing quantitative comparison of regional metabolic activities using asymmetric index. Materials and Methods: We studied 19 pathologically proven mesial TLE and 25 lateral TLE patients. Lateral TLE patients were either normal on magnetic resonance imaging (cryptogenic: n=14) or had structural lesions (lesional: n=11). Asymmetric index (ASI) was calculated as [(ipsilateral-contralateral)/(ipsilateral+ contralateral)]×200. Results: ASI of medial and lateral lobes of mesial TLE was decreased (-16.4±8.3 and -12.7±5.5, respectively). In cryptogenic lateral TLE, ASI of lateral temporal lobe was decreased (-11.8±4.7), whereas that of medial temporal lobe was not decreased (-4.6±6.3). ASI of medial lobe of lesional lateral TLE was -7.3±9.1, which was significantly different from that of mesial TLE (p<0.05). Patients with lesional lateral TLE had evident metabolic d or decrease (ASI: -22±10.5) in lateral temporal lobe. While we could not find the difference of metabolic activity in lateral temporal lobes between cryptogenic lateral TLE and mesial TLE patients, the difference of metabolic activity was significant in medial temporal lobes which was revealed by ASI quantitation. Conclusion: Asymmetric decrease of metabolic activity in both medial and lateral temporal lobes indicates medial temporal epilepsy. Symmetry of metabolic activity in medial temporal lobe combined with asymmetry of that in lateral temporal lobe may give hints that the epileptogenic zone is lateral.
강의 수소취화에 대한 국부영역에서의 수소의 거동(Ⅰ) : 지연파괴의 수소집적에 미치는 응력 및 소성변형의 영향
이영호,이진우,배명일,고준빈,이규천 충남대학교 산업기술연구소 2001 산업기술연구논문집 Vol.16 No.1
Hydrogen embrittlement cause decrease of it's mechanical properties during hydrogen dissolved in steels. Many mechanisms of hydrogen concentration researches have done, but it is not clearly known yet. In this study the effect of plastic deformation and external stress on mechanism of hydrogen concentration by high temperature hydro-genation treatment were investigated. The main results are as follow : 1)For short time fracture process, a defect rate of chemical potential energy is an important factor on hydrogen concentration for delayed fracture of steel processed with high temperature hydrogen. 2)For long time fracture process, the important element is long range diffusion of hydrogen due to the rate of effective hydrogen density and plastic deformation. 3)hydrogen concentration as plastic deformation vary in proportion to slope of plastic deformation. 4)Hydrogen concentration due to the effect of external stress, but this effect is limited in short range. 5)External stress is an acceleration element for delayed fracture of steel.
연속식 투과증발 방법을 이용한 Benzene-Cyclohexane계의 투과 특성 연구
이명환,이승우,한인천 연세대학교 산업기술연구소 1991 논문집 Vol.23 No.2
From batch experiment result, it was turned out that the affinity of PVC film to benzene is stronger than that to cyclohexane in pervaporation. Total permeate flux could be approximately presented in the function of temperature and concentration by means of regression. The higher concentration of benzene or temperature was, the more total flux was. The higher concentration of benzene was, the lower selectivity was. However, the selectivity was independent of temperature. Continuous experiment was carrid on Reynolds numbers(Re=7∼47.5). With Re=7∼47.5, as the inlet velocity of mixtures is increased, total permeate flux is increased. Analyzed derivitive form of continuity equation by integration in theory.
이명선,천의영 노인간호학회 2009 노인간호학회지 Vol.11 No.2
Purpose: This study was done to examine differences in variables by social network and the effects of an exercise program on physical function, self-efficacy, and depression in elders with osteoarthritis. Method: Forty-six elders participated, 25 in the experimental group and 21 in the control group. An exercise program using social networks was given for the experimental group and the same exercise program without using social networks was given for the control group. Pre and post tests were conducted to measure the main variables. Results: For both the experimental and control group, physical function, self-efficacy and depression scores were significantly different between pre and post intervention. In terms of the effect of the exercise program using social networks, there was a significant difference in physical function between the experimental and control groups but not for self-efficacy or depression. Conclusion: Based on the above results, the exercise program using social networks can be utilized in the field of geriatric nursing as a nursing intervention for elders with osteoarthritis. However additional rigorous studies are needed to examine long term effects.
음식물쓰레기 관리의 최적화 방안 연구 : 창원, 마산, 진해시를 중심으로 Focused on Changwon, Masan, Jinhae City
이명희,박증석,김종오,백병천 國立 麗水大學校 環境問題硏究所 1998 環境硏究論文集 Vol.1 No.-
Limited landfill area and finance as well as a huge generation of waste, have called for systematic approaches towards potential cost savings. In this study, the management system of food wastes generated from the residential and commercial sources was considered in three citied; Changwon, Masan, and Jinhae city. Total thirteen alternatives were established and compared by applying the WRAP (Waste Resource Allocation Program). The following results were obtained: 1. While relatively small amounts were generated form the commercial sources such as cafeteria, restaurants, and market facilities, almost 80% of food wastes were generated from the residential sources. 2. Unit costs for food waste management in three cities were different according to their present situation, and the highest cost appeared in Jinhae city due to the most expensive construction of coastal landfill site. 3. Considering proper revenue, the whole conversion of food waste into animal feed was selected as the optimal alternative and represented 60% to 74% of management cost of the whole landfill alternative in all cities. Comparing the other alternatives, composting of food waste was more economical than the landfill alternative and the incineration was the most expensive alternative.
李命器,全哲,吳正壽 동국대학교 농과대학 1992 演習林硏究報告 Vol.- No.2
This study was carried out to make sure and improve on the properties of Hwaseonju trading in Cheon-Ju now by means of a physical and chemical test. The results may be summarized as follows. 1. The average basis weight of the Hwaseonji was 32.32g/㎡, the range of its thickness was 0.057-0.014mm. Therefore, to obtain the uniform of Hwaseonji it will must be reduce the range of density. 2. The whiteness degree of sample was 73.1-81.4 GE, and we obtain satisfaction to visual whiteness, but we know that in flatness only, Jangji, Sunji, Baegmuji, Goryeoji, differ the surface and reverse sensitively. 3. The Hwaseonji that durability is strong was Jangji, Sunji, Baegmuji and all was neutralized paper(avg. pH6.08). 4. To result of experiment the high quality Hwaseonji was Jangji, Sunji, Baegmuji considering of the other physical properties, while the contain of paper mulberry fiber keep with 50% more, also fiber length need to do shortly.