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실시간 우편물류 구축을 위한 기술 및 적용 방법론 분석
이상락,임재민,박종흥,박기식,전성무,Lee, S.R.,LIm, J.M.,Park, J.H.,Park, K.S.,Jeon, S.M. 한국전자통신연구원 2006 전자통신동향분석 Vol.21 No.2
실시간 우편물류는 고객, 우편물류 담당자 그리고 운영자에게 적절한 정보를 적절한 시간에 제공하는 것이며, 우편물류 흐름과 물품을 실시간으로 통제, 관리하는 것이다. 실시간 우편물류는 기능적 요소와 경영성과 요소가 있다. 기능적 요소는 실시간 추적, 실시간 통제 그리고 실시간 모니터링이며, 경영성과 요소는 우편업무 흐름 관리와 우편업무 흐름의 최적화이다. 본 연구에서는 실시간 우편물류 구축을 위한 자동화와RTE 기술을 분석한다. 또한 자동화와 RTE 기술 도메인 아래에서 유비쿼터스, RFID, USN 등과 같은 인프라와 BPM, EAI, BAM, BI 시스템의 통합을 통한 실시간 우편물류구축을 위한 적용 방법론을 제시한다.
호기발효시스템에 있어서 고질소 함유 가축폐기물의 부하율이 질소제거효율에 미치는 영향
정상현(S . H . Chong),이상락(S . R . Lee),조남기(N . K . Cho),맹원재(W . J . Maeng) 한국축산학회 1996 한국축산학회지 Vol.38 No.3
This study was conducted to develop a treating technique to get rid of nitrogen from the animal waste containing high nitrogen by aerobic fermentation. The effect of loading rate on the removal efficiency of nitrogen was examined by using both a lab- and a pilot-scale aerobic fermentation system. Anaerobic fermentation residue of swine waste achieved from a pilot-scale anaerobic fermentation system was used as substrate in these studies. The loading rates applied to the lab-scale study were 54.24, 162.72, and 271.20 g N/㎥/day, respectively, and to the pilot-scale study were 43.4, 56.8, 126.4, and 142.8 g N/㎥/day, respectively. A 5-day hydraulic retention time (HRT) was provided to the lab-scale system and to a 1-day HRT for the pilot-scale system. Results obtained in both lab- and pilot-scale studies were similar. The removal rate of kjeldahl nitrogen significantly increased as the loading rate increased (P$lt;0.01). The removal rate of ammonia-N tended to increase as the loading rate increased. The removal rate of biological oxygen demand increased as the loading rate increased (P$lt;0.01), while no statistical differences were observed in the removal rate of the suspended solids (SS). The removal rate of phosphorus increased as the loading rate decreased (P$lt;0.05), which showed an adverse trend of the removal rate of organic mattes such as nitrogen and SS. The results obtained from this study suggest that the loading rate should be considered as crucial factors to remove nitrogen from the animal waste containing high nitrogen by aerobic fermentation.
고질소함유 가축폐기물의 호기발효에 있어서 탄소원의 첨가가 질소제거 효율에 미치는 영향
정상현(S . H . Chong),이상락(S . R . Lee),김범석(B . S . Kim),이승훈(S . H . Lee),맹원재(W . J . Maeng) 한국축산학회 1996 한국축산학회지 Vol.38 No.3
This study was carried out to develop a treating technique to reduce nitrogen from the organic-liquid waste with high nitrogen content (OLWHN) by aerobic fermentation. The experiment conducted to examine the effect of carbon-source additions (glucose and sodium acetate) on the rate of nitrogen removal by using a lab-scale aerobic fermentation system. Glucose and sodium acetate as organic carbon-sources were applied to OLWHN discharged from a swine farm and the ratios of BOD_5 to kjeldahl-N were controlled at 100 : 64.5, 100 : 65.5 and 100 : 90.7. The removal rates of total nitrogen, phosphonis, and BOD_5 were not influenced by adding glucose and sodium acetate. On the other hand the removal rate of ammonia-N significantly improved in sodium acetate treatment (P$lt;0.05), when OLWHN was treated in the lab-scale aerobic fermentation system. The results obtained from this study suggest that the ratio of organic carbon source to nitrogen should be used as a crucial factor in removing nitrogen from OLWHN by an aerobic fermentation system.
남은 음식물발효사료가 산란계의 난생산성과 계란품질에 미치는 영향
정승헌,이상락,김철,안정제,맹원재,권윤정,Chung, S.H.,Lee, S.R.,Kim, C.,Ahn, J.J.,Maeng, W.J.,Kwon, Y.J. 한국가금학회 2000 韓國家禽學會誌 Vol.27 No.1
An experiment was conducted to investigate the effects of feeding fermented food waste on the egg production and egg qualities in laying hens. A lot of 30 commercial layer(ISA Brown) at the age 58 weeks were placed in individual of 80% commercial feed and 20% fermented food waste(C80%+F20%), a mixture of 50% commercial feed and 50% fermented food waste (C50%+F50%), and a mixture of 20% commercial feed and 80% fermented food waste (C20%+F80%). Daily measurements were made on feed intake, egg production rate, egg weight, yolk color, Haugh unit, shell color during the experimental period. At the end of the experiment, body weight change and egg cholesterol contents were determined. The results indicate that up to 50% of basal diet could be supplied by fermented food waste with little depression in feed intake and efficiency in egg production (p<0.01). Egg weight, egg shell thickness and Haugh units were not significant different between the treatments and the control. Egg color quality improved with increasing the proportion of the fermented food waste in the diet.
남은 음식물 및 유기성 폐자원을 활용한 오리사료의 제조 및 그 가치평가
정승헌,이상락,김철,이도형,맹원재,권윤정,Chung, S.H.,Lee, S.R.,Kim, C.,Lee, D.H.,Maeng, W.J.,Kwon, Y.J. 한국가금학회 2000 韓國家禽學會誌 Vol.27 No.1
An experiment was conducted to evaluate feeding values of food and other organic wastes, and to determine their dietary effects on performance and carcass yield in ducks. A total of 156 meat type ducklings at the age of 25 days were housed in 12 pens and assigned to 4 treatments, in which the birds were fed for 21 days. One of 4 diets, commercial duck feed, raw food waste (RFW), fermented food waste(FFW) and mixture of 50% RFW and 50% FFW (R+FFW). Feed consumption was significantly higher (p<0.05) in the RFW groups. Body weight gain showed no significant differences between the control and other treatments. The feed consumption ratio was significantly higher in the RFW groups (p<0.05) than that of the other groups. Carcass yield was significantly higher in the R+FFW groups (p<0.05) than the other groups. The weight of liver per live body weight showed significant differences among the treatment groups (p<0.05). The length of intestine was significantly different from those of the treated groups(p<0.05).
유비쿼터스 기술을 활용한 축산부문 U-축산 융합서비스 도입연구
구지희,정태웅,이상락,Koo, J.H.,Jung, T.W.,Lee, S.R. 한국축산환경학회 2012 축산시설환경학회지 Vol.18 No.1
IT 기술의 발달과 함께 각 분야에서는 IT와 융합한 기술을 개발하고 있으며, 축산분야에서도 구제역발생 이후에 IT를 활용한 가축의 관리에 관심을 가지고 있다. 최근에는 정보통신 기술이 유비쿼터스 기술로 진보하면서 U-축산의 도입이 필요한 시점이다. U-축산의 도입을 위해서는 우선 현재 업무에 대한 분석을 통하여 서비스 모델 도출이 필요하다. 본 연구에서는 축산 부문의 서비스모델을 가축 생애주기별로 구분하여 기존의 국내외 사례들을 기반으로 하여 도출하였다. 이중에는 현재 사업으로 진행되고 있는 것도 있으며, 앞으로 진행되어야 할 것들도 있다. 향후에는 도출된 서비스 모델에 대하여 각 서비스모델별로 목표를 설정하고, 기능을 정의하며, 플랫폼을 정의하는 과정이 필요하며, 단일 서비스모델이 아닌 통합된 서비스모델로서 방향을 진행하여야 할 것이다. 이제 축산업에서도 유비쿼터스기술을 활용한 U-축산 도입을 통하여 첨단화 되고, 효율적인 방식으로 가축관리가 진행되며, 산업 경쟁력 및 생산성을 높일 수 있을 것으로 기대된다. The output of Korea's livestock industry represents about 40% of the total agricultural production, making it the most high value-added sector in the entire agricultural and forestry industry. However, the fatal epidemics such as foot-and-mouth disease and avian influenza spurs demands for the advanced management of livestock production with IT technologies. U-Livestock means the application of ubiquitous technologies to livestock production. In this study, U-Livestock service models are established on the basis of the life cycle of livestock by using local and overseas cases. The objectives, contents, and structures of service models are required to be designed in detail respectively. The integration of such service models is expected to he1p modernize the livestock industry and raise the productivity of sector.
유기 조사료 급여 농가의 영양소 균형 및 유생산성 평가
나영준,신기문,임종수,방제용,이상락,Na, Y.J.,Shin, K.M.,Rim, J.S.,Bang, J.W.,Lee, S.R. 한국초지조사료학회 2016 한국초지조사료학회지 Vol.36 No.2
전라북도 고창 조사 지역 내 유기 낙농 농가 수는 연도가 지남에 따라 증가하지 않았지만, 전체적인 사육규모와 사육두수는 증가하였다. 연 평균 유량은 국내 검정 농가 평균에 비해 유기 낙농가가 최대 9 kg/d가 낮았지만 유지방과 유단백 함량에서는 큰 차이를 보이지 않았다. NRC (2001)의 사양표준 프로그램을 이용하여 영양소 공급 수준을 평가한 결과, 급여 사료의 에너지 비율 특히 비구조탄수화물의 비율을 감소시킬 필요가 있으며, 또한 대사단백질 및 섬유소 비율을 증가시켜 전체적인 영양소 공급 수준을 조정한다면 착유우의 건강상태 및 유생산성이 개선될 것으로 생각된다. This study was conducted to evaluate the milk productivity and nutrient balance in organic dairy farms located at Gochang-gun of Korea with different feed sources. The total number of organic dairy farms was 12 in 2012, 13 in 2013, and 14 in 2014. The numbers of farms and dairy herds were increased each year. The average milk yields in 2012, 2013, and 2014 were 25.5, 24.6, and 24.4 kg/d, respectively. The average milk fat contents in 2012, 2013, and 2014 were 3.5%, 3.6%, and 3.7%, respectively. The average milk protein contents in 2012, 2013, and 2014 were 3.3%, 3.4%, and 3.4% in 2012, 2013, and 2014, respectively. Although the average milk yield of organic dairy farms was 9 kg/cows/d less than the average milk yield of other dairy farms in Korea, milk fat and protein contents of organic dairy farms were higher than those of other dairy farms. Alfalfa hay, oat hay, corn silage, rye grass silage, Sudan grass silage, rice straw, and barley silage were commonly used as forage sources in organic dairy farms. The average silage intake (15.6 kg/cow/d) of organic dairy farms in 2013 was higher (P < 0.05), while the average hay intake (5.1 kg/cow/d) in 2014 was higher (P < 0.05) than that of other feed intake. Net energy for lactation ($NE_L$) and metabolizable protein (MP) were calculated in accordance with NRC (2001). Net energy for lactation intake was higher (P < 0.05) while MP intake was lower (P < 0.05) than NRC recommendation values in 2013 and 2014. These results indicate that domestic organic dairy farms should use feed considering energy and protein balance recommended by NRC.