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Eung Gi Paek 한국광학회 1991 한국광학회지 Vol.2 No.3
In this paper, we riview a new type of optical computing-optical neuro-computing-which was inspired to emulate the computational capability of the human brain. Also, recent activities at Bellcore for the implementation of optical neuro-computers are described.
Evaluation of Agronomic Stability of North Korean Rice Varieties using Statistical Models
Jeong, O-Young,Lee, Jeom-Ho,Hong, Ha-Cheol,Jeong, Eung-Gi,Paek, Jin-Soo,Yang, Chang-Ihn,Jeon, Yong-Hee,Kim, Myeong-Ki,Lee, Kyu-Seong,Yang, Sae-Jun,Lee, Young-Tae The Korean Society of Crop Science 2008 한국작물학회지 Vol.53 No.1
This experiment was carried out to evaluate the agronomic stability of North Korean rice varieties using the statistical model developed by Grafius, Finlay, and Ever hart. The lowest yearly variation based on coefficients of variation was found in Hannam 29 for number of panicles per hill, in Sijoong 9 for number of grains per panicle, in Pyeongyang 3 for ripened grain ratio, in Sijoong 16 for 1,000 grain weight, and in Yeomju 1 for grain yield. By Grafius's model, Pyeongbook 3, Weonsan 66 in early maturing groups and Seohaechalbyeo in medium maturing groups show stable for 3 years. Weonsan 66 in early maturing groups and Seohaechalbyeo in medium maturing groups were found to be highly stable as analyzed by both Finlay and Wilkinson's model and Everhart & Russell's model. With reference to three models, Weonsan 66 was highly stable for 3 years with showing more yield than Odaebyeo in early maturing groups while Seohaechalbyeo was highly stable for 3 years with showing high yield than Hwaseongbyeo in medium maturing groups above $5\;t\;ha^{-1}$ of milled rice respectively.
Evaluation of Agronomic Stability of North Korean Rice Varieties using Statistical Models
O-Young Jeong,Jeom-Ho Lee,Ha-Cheol Hong,Eung-Gi Jeong,Jin-Soo Paek,Chang-Ihn Yang,Yong-Hee Jeon,Myeong-Ki Kim,Kyu-Seong Lee,Sae-Jun Yang,Young-Tae Lee 韓國作物學會 2008 한국작물학회지 Vol.53 No.1
This experiment was carried out to evaluate the agronomic stability of North Korean rice varieties using the statistical model developed by Grafius, Finlay, and Ever hart. The lowest yearly variation based on coefficients of variation was found in Hannam 29 for number of panicles per hill, in Sijoong 9 for number of grains per panicle, in Pyeongyang 3 for ripened grain ratio, in Sijoong 16 for 1,000 grain weight, and in Yeomju 1 for grain yield. By Grafius's model, Pyeongbook 3, Weonsan 66 in early maturing groups and Seohaechalbyeo in medium maturing groups show stable for 3 years. Weonsan 66 in early maturing groups and Seohaechalbyeo in medium maturing groups were found to be highly stable as analyzed by both Finlay and Wilkinson's model and Everhart & Russell's model. With reference to three models, Weonsan 66 was highly stable for 3 years with showing more yield than Odaebyeo in early maturing groups while Seohaechalbyeo was highly stable for 3 years with showing high yield than Hwaseongbyeo in medium maturing groups above 5~;t~;ha-1 of milled rice respectively.
조사료원과 출하시기가 거세한우의 발육과 도체특성에 미치는 영향
조원모(Won-Mo Cho),장선식(Sun-Sik Chang),조영무(Young-Moo Cho),김형철(Hyeong-Cheol Kim),권응기(Eung-Gi Kwon),양승학(Seung Hak Yang),백봉현(Bong-Hyun Paek) 韓國草地學會 2009 한국초지조사료학회지 Vol.29 No.4
본 시험을 수행하기 위해서 6개월령 거세한우 64두를 공시하여 주구는 조사료원으로 목건초와 볏짚 처리구를 배치하였으며, 세구는 출하시기로 24개월, 26개월, 28개월 및 30개월 배치하였다. 본 시험은 조사료원 및 출하시기별 발육 및 육질에 미치는 영향을 구명하기 위하여 수행하였다. 발육 및 사료이용성은 목건초급여구가 볏짚 급여구에 비하여 동일 출하월령에서 10 12% 정도 더 발육이 향상되었으며 (p<0.05), 배합사료 요구량에서도 목건초 급여구가 볏짚 급여구에 비하여 kg 증체당이 향상되는 결과를 얻었다. 또한 도체등급에서도 등 지방두께 및 배최장근단면적은 출하월령이 증가할수록 증가하였으며, 근내지방도 역시 출하월령이 증가할수록 증가하는 경향을 보였다. 따라서 한우 고급육을 생산하기 위해서는 볏짚보다는 목건초 급여로 출하시기를 28개월령 이상 사육하는 것이 바람직한 것으로 사료된다. This study examined the influence of forage source (grass hay and rice straw) and shipping time (24, 26, 28 and 30 months) on feed conversion ratio, growth performance and carcass characteristics of Hanwoo steers. Sixty four Hanwoo steers at 6 months age were fed either grass hay (n=32) or rice straw (n=32) for 24, 26, 28 and 30 months of age. Steers fed on mixed grass hay gained significantly higher body weight at 24, 26, 28 and 30 months compared with those fed on rice straw. Feed efficiency was slightly better in steers fed mixed grass hay compared to those fed rice straw. Back fat thickness and marbling score were increased with the age of steers (p<0.05). Carcass quality traits (meat color, fat color, texture and maturity) were not affected by forage source and shipping time. Shear force, cooking loss and water holding capacity of beef were reduced with advancing age of steers (p<0.05). Moisture content was lower and fat content was higher in beef produced from steers fed mixed grass hay than those fed rice straw (p<0.05). Beef juiciness was reduced with the advancing shipping time of steers. In conclusion, it would be beneficial to feed hay compared with rice straw during whole period of Hanwoo steer to produce high quality beef.