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특별강연(特別講演) 및 학술연구(學術硏究) 발표요지(發表要旨) : 제2분야: 잡초 생리생태 및 기타 ; 벼 이앙재배시 잡초경합에 따른 수량감소 예측
문병철 ( Byeong Chul Moon ),권오도 ( O. D. Kwon ),조승현 ( S. H. Cho ),이순계 ( S. G. Lee ),원종건 ( J. G. Won ),한상욱 ( S. W. Han ),박태선 ( T. S. Park ),이인용 ( I. Y. Lee ),오세문 ( S. M. Oh ),김도순 ( D. S. Kim ),박재읍 한국잡초학회 2004 한국잡초학회 별책(학술대회 초록집) Vol.24 No.1
목재의 사료화에 관한 연구 3 . 계분첨가 나무 사일리지의 화학적 조성 및 발효특성
이순복 ( S . B . Lee ) 한국축산학회 1991 한국축산학회지 Vol.33 No.6
Pseudo acacia lespedeza spp.. quereus spp. and pueraria tunbergiana of wild shrub in mountainous area were added with both caged layer manure and commercial dairy Iced; (50:25:25, W/W) and treated with 6% ammonia water. 1. Crude protein contents of pseudo acacia. lespedeza spp., quereus spp. and pueraria tunbergina silage were 16,75. 13.19, 12.06 and 17.04% respectively and the content of crude protein was the highest in puerana tunbergiana silage(p$lt;.05). 2. Crude fiber of pseudo acacia. lespedeza spp., quereus spp.. and pueraria tunbergina silage were 36.47, 36.05, 37.22 and 36.96% respectively and quereus spp. had the highest amount but they did net show the significant difference(p$lt;.05). 3. pH of wood silage added with caged layer manure showed very good fermentation characteristies (pH 3.62-4.28) the content of lactic acid was the highest in pueraria tunbergiana(p$lt; .01). 4. IVDMD of wood silage added with caged layer manure, pseudo acacia. lespedeza spp., quereus spp. and pueraria tunbergiana were 58.11, 55.59, 55.14 and 60.62% respectively and the content of IVDMD was the highest in pueraria tunbergiana(p $lt;.05) and lowest in quereus spp.(p$lt;.05).
목재의 사료화에 관한 연구 Ⅰ. 암모니아 처리 나무 사일리지의 화학적 조성 및 발효특성
이순복 ( S . B . Lee ) 한국축산학회 1989 한국축산학회지 Vol.31 No.10
Pseudo acacia, lespedeza spp., quercus spp. and pueraria tunbergiana of wild shrub in the mountainous area added with concentrate(50:50,W/W), and treated with 6% ammonia water. 1. Crude protein content of ammoniated wood silage, pseudo acacia, lespedeza spp., quercus spp. and pueraria tunbergina were 18.08,15.28,15.06 and 18.24% respectively, and ammoniated pueraria tunbergiana significantly increased(p $lt;.05). 2. ADF and NDF of ammoniated wood silage was significantly decreased because of ammonia treatment and concentrate. 3. PH of ammoniated wood silage was very good fermentation characteristics (pH 3.99∼4.23). Lactic acid of pueraria tunbergiana was significantly increased (1.95%, P $lt;.05), quercus spp. significantly decreased(1.11%, p $lt;.05). 4. IVDMD of ammoniated woods silage, pseudo acacia, lespedeza spp., puercus spp. and pueraria tunbergiana was 59.18, 61.11, 57.40 and 61.35% respectively pueraria tunbergiana significantly increased and quercus spp. decreased(p $lt;.05).
이순복(S . B . Lee),정근기(K . K . Jung),배동호(D . H . Bae),정연후(Y . H . Chung) 한국축산학회 1991 한국축산학회지 Vol.33 No.2
This study was carried out to improve the quality and nutrive value of corn stover. Moisture content of corn stover was 30%o. Seven different corn stover silages added with rice bran(0, 5, 10, 15, 20, 25 and 30%) and 2% urea(DM basis) were made and moisture content of corn stover silage was 65%. After 40 days, corn stover silage added with rice bran were analyzed chemical composition, in vitro dry matter digestibility (IVDMD) and volatile fatty acid(VFA). The resurts obtained are as follow; l. When the rice bran levels were increased, crude protein and crude fat contents were increased(r-=.94**, .98**), ADF and CWC content decreased (r=-.88**, -.88**). 2. When the rice bran levels were increased in 0, 5, 10, 15, 20, 25 and 30%, lactic acids increased in 0.56a, 0.62a, 1.81b, 2.04b, 2.48bc, 3.29d%, but rice bran levels in 25 and 30% were not significant. 3. Above 5% rice bran level, NH₃-N and IVDMD were not significant. 4. When the rice bran levels were increased, propionic acids were significantly increased (p $lt;.01) but butyric acid significantly decreased (p $lt;.01). 5. Corn stover silage above 25% rice bran level result in better quality silage.
목재의 사료화에 관한 연구 4 . 돈분첨가 나무사일리지의 화학적 특성 및 발효특성
이순복 ( S . B . Lee ) 한국축산학회 1992 한국축산학회지 Vol.34 No.1
Black locust, lespedeza, oaks and kudzu of wild shrub in mountainous area, Kang Won-Do province were mixed with both swine waste and commercial dairy feed (50:25:25, W/W) and treated with 6% ammonia water. Therefore, this experiment was conducted to test the practical use of wild shrub as a ruminant feed in terms of chemical composition, fermentation characteristic, in vitro dry matter digestibility (IVDMD) and energy value. The results obtained in this study are summarized as follows : The crude protein contents of shrub silage were 13.35-17.59% the content of crude protein was the highest in kudzu silage(P$lt;.05). Crude protein of black locust silage was 2.28 times higher than that of untreated black locust. The crude fiber contents of shrub silage, black locust, lespedeza, oaks and kudzu were 34.63, 34.77. 35.38 and 33.31%), respectively and they were significantly different(P$lt;.05). The ADF. NDF and NDS contents of shrub silage were 40.29-44.37. 48.23-55.44 and 44.56-51.77%. They were significantly different(P$lt;.05). The fermentation characteristics of shrub silage showed that the highest lactic acid accumulation was resulted from kudzu the lowest from lespedeza (1.38%. P$lt;.05). Therefore. the lowest pH was observed with kudzu(3.28%, P$lt;.05). The IVDMD of shrub silage. black locust. lespedeza, oaks and kudzu were 56.42, 55.42, 55.33, 52.19 and 62.69%, respectively. The content of IVDMD was the highest in kudzu(P$lt;.05), lowest in oaks(P$lt;.05). The lowest TDN was observed in oaks(52.63%), the highest in kudzu(61.10%, P$lt;.05). DE and ME contents of shrub silages were not significantly different(P$lt;,05)
엔진의 실린더라이너 적용을 위한 플라즈마 용사 산화크롬 코팅의 마찰ㆍ마멸 특성 연구
이순기(S.K.Lee),한석영(S.Y.Han),안효석(H.S.Ahn) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.11_2
The friction and wear of plasma sprayed chromium oxide coating were investigated at room temperature and 450℃ under dry, reciprocating contact condition. Measurements of friction and wear rate were made in association with sliding distance for two pairs:self-mated contact between chromium oxide sprayed specimens and uncoated cast iron plate against chromium-plated disc which represents the contact between cylinder liner and piston ring in diesel engines. Test result shows that chromium oxide coating has better wear resistance and lower wear rate than the currently used cast iron cylinder liner and piston ring. Smooth wear protective layers were formed on the worn surface of self-mated coated pair. These layers contributed to decreasing the wear rate of chromium oxide coating. In order to identify wear mechanism of the worn surface, SEM(Scanning Electron Microscopy) and EDS (Energy Dispersive X-ray analysis) were used.