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유비쿼터스 지능공간 재설계 시 상황정보를 활용한 공간분석방안에 대한 연구 = A study on method of space analysis using context information for ubiquitous smart space reengineering
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지오멀티캐스트: 모바일 Ad-hoc 무선 네트워크에서 경로 안정성을 이용한 위치기반 멀티캐스트 라우팅 프로토콜
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ICT 기반 환경모니터링 센서 데이터 검증을 위한 원스탑 플랫폼
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세라믹 코팅 고에너지 제동 디스크의 마찰특성 연구 ( Experimental Analysis of Ceramic Coated High Power Brake Discs )
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지능형 디지털 벽체와 서비스 로봇의 상호작용
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한국영화의 가족이데올로기 연구 : 2000년 이후 천만 관객 영화의 가족서사를 중심으로
- 검색키워드
- 저자 : 金石東 (검색결과 4 건)
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S. D. Kim(金奭東),B. H. Choe(崔鳳鎬),E. H. Hong(洪殷憙),Y. S. Ham(咸泳秀) 한국육종학회 1983 한국육종학회지 Vol.15 No.3
To evaluate 1:he degree of improvement of major characters of developed soybean varieties, four varieties, Keumgangdaelip a local variety, Kanglim derived from the cross between Keumgangdaelip and Norin #l, and newly developed Jangyeobkong and Hwangkeumkong, were tested under two levels of planting dates, planting densities, and fertilizer amounts, respectively. No varietal difference in initial standing or emergence. but significant difference in number of plants harvested were observed. The varietal differences in number of plants harvested were believed to be caused by varietal difference in resistance to various stresses during the growth. Among the tested varieties, Keumkangdaelip showed the lowest resistance. The days from flowering to maturity of new variety, Jangyeobkong and Hwangkeumkong were significantly short compared to that of old variety, Keumgangdaelip. Compared to new variety, Jangyeobkong and Hwangkeumkong, old variety, Keumkgangdaelip and Kanglim, showed more number of pods per plant and heavier 100 seed weight, but no consistent tendency was observed in plant height. No viral(SMV and SMV-N) and lodging resistance between Jangyeobkong and Hwangkeumkong, and between Keumgangdaelip and Kanglim, but significant difference between old and new varieties was observed. Lodging index, infection ratio of virus (SMV anal SMV-N) and number of branches, showed minus (-) correlations with seed yield, while plant height, number of nodes on main stem, and number of plants harvested showed plus(+) correlations with seed yield. No varietal difference in total dry weight, but significant difference in seed yield and seed yield per day was observed between old and new varieties. Compared to old variety, Keumgangdelip, new varieties, Jangyeobkong and Hwangkeumkong, showed distinct genetic improvement and recognizable breeding effects in resistance of lodging and virus (SMV and SMV-N), and seed yield. But no such significant genetic improvement or breeding effects were observed between Keumgangdelip and Kanglim.
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호밀의 수확시기, 건조일수 및 탈곡기 회전속도가 탈곡종실의 손상립률과 발아율에 미치는 영향
金石東,河龍雄,李成熙 韓國作物學會 1986 Korean journal of crop science Vol.31 No.4
종자용 호밀의 탈곡시 정상 탈곡기회전속도의 기준을 설정하고자 출수후 40, 45, 50, 55, 60 일에 예취하고 예취하여 0, 1, 2, 3일간씩 포장에 깔아말린 다음 급동반경 18.6cm, 급치높이 6cm인 탈곡기로 각각 400 RPM에서 1000 RPM까지 100RPM간격으로 회전속도를 조절하며 탈곡하였으며 각 예취시기 및 탈곡직전에 종실의 수분함량을 조사하고 탈곡후 손상입률, 발아율 및 출현률을 조사하였다. 1. 호밀 종실의 수분함양은 출수후 40 일에 59.1%였고, 종실의 건물종이 최고에 달한 출수후 55일에는 36.3%였으며, 출수후 60일에는 20.1% 로 떨어 졌다. 2. 출수후 55 일에 예취하고 1∼2일 포장에 깔아 말린 후 500∼600RPM으로 탈곡하였을 때 손상립률 10% 이하, 발아율 90% 이상, 출현율 80% 이상인 충실한 종실을 얻을 수 있었다. 3. 탈곡종실의 손상립률과 발아율은 종실의 수분함량과 높은 상관이 있었다. 4. 탈곡기의 탈곡력은 급동의 회전속도의 제곱에 비례하고, 또 급동반경에 비례하므로 회전속도의 기준은 급동반경을 고려하여 설정함이 타당한 것으로 판단되었다. This trial was carried out to set up a proper drum speed of thresher to minimize the mechanical damage from threshing and thereby to obtain rye seeds possessing higher qualities for seeds. Rye plants were harvested at from 40 to 60 days after heading (DAH) with 5 days intervals and spread out on the field for 0, I, 2, 3 days for drying, respectively. After drying the plants were subjected to threshing at seven steps of drum speed from 400 to 1000 rotation per minute (RPM) of a thresher, drum diam. 18.6cm, teeth length 6cm. At 500 to 600 RPM and from the plants harvested at 55DAH with drying for one or two days, the seeds possessed low grain damage, high germinability over 90%, and field emergence rate over 80%.
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鄭吉雄,洪殷憙,金奭東,黃永鉉,李英豪,朴來敬 韓國作物學會 1988 Korean journal of crop science Vol.33 No.S
Soybean grain is most widely used and soybean crop produces most high protein per area among crops. To meet rapid increase of human population and supply protein in safety. soybean has considered more and more important crop. And it has been emphasizing that high quality and high protein soybean breeding must be made efforts in future. Many papers related to soybean breeding for high quality and protein and soybean protein composition have suggested the problems to do in future. Soybean germplasm collection. classification and conservation should be continuously performed, and it is emphasized that wild type of soybeans (G. soja) be considered to use in breeding for high protein varieties. Selections would be better emphasized in first yield and therefore high yield of protein per area. Selection for high protein would be secondary criterion. High protein lines with high yielding potential could be selection from certain populations, and breeders should consider this phenomenon in procedure of selection. Heritability of protein percent is relatively high and genetic gain of increment of protein percent is large. Soybean protein which is comprised 70 to 90% of globulin is constituted mostly 11S and 7S proteins. Sulfur-containing amino acids, methionine and cysteine, are identified to contain more in 11S protein than 7S protein. High 11S germplasm should be desirable to use in crossing plan, and selection of high ratio of 11S/7S lines be better in development of high quality varieties.
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콩의 기계 탈곡시 종실수분 함량과 급동속도에 관한 연구
文倫滈,黃永鉉,李英豪,金奭東,洪殷熹 韓國作物學會 1986 한국작물학회지 Vol.31 No.2
콩을 탈곡기로 탈곡할 때 종실손상율이 낮으면서 발아율이 높은 종실의 수분함량과 탈곡기의 적정 급동속도를 구명하여 기웅탈곡시에 필요한 기초자료로 활용코자 시험을 실행하여 얻어진 결과를 요약하면 다음과 같다. 1. 성숙시 식물체 각 부위별 수분함량은 대입종인 황금콩의 경우 줄기, 종실, 콩깍지 순으로 소입종인 단엽콩은 줄기, 콩깍지, 종실 순으로 많았다. 2. 황금콩과 단엽콩의 성숙후 식물체 부위별 수분함량과 수분함량 감소정도는 줄기 및 종실에서는 비슷하였으나 콩깍지는 소입종인 단엽콩이 성숙후 7 일까지는 황금콩보다 높았고 그 후에는 차이가 없었다. 3. 성숙후 7 일의 일중의 줄기, 종실, 콩깍지의 수분함량 변이는 시간이 경과함에 따라 수분함량이 감소하는 경향이며 성숙후 14일에는 오전 11시까지 꼬투리의 수분함량이 종실의 수분함량보다 높았으나 그 이후에는 종실의 수분함량이 더 높았다. 4. 콩 탈곡시 탈곡기의 급동속도가 빨라지거나 종실수분함량이 많아질수록 종실보상율은 증가는 경향이며 대입종인 황금콩이 소입종인 단엽콩보다 종실 보상입율이 높았다. 5. 보상입율과 발아율을 고려할 때 탈곡기의 적정급동속도는 11 m/sec.가 적당한 것 같았다. 6. 탈곡에 알맞는 종실의 수분함량은 수량, 보상입율, 발아율, 작업속도 및 건조작업 등을 고려할 때 종실의 수분함양이 15∼20%가 적당한 것 같았다. An experimental study was undertaken to obtain the basic information on the effect of seed moisture content and cylinder speed of thresher on the mechanical damage and seed germination in soybeans. The moisture content at maturity was the highest in stern and followed by seed and pod-shell for Hwang-keurnkong and also the highest in stern and followed by pod-shell and seed for Danyeobkong in that order. The variation in the moisture contents of stern, seed, and pod-shell in a day on the 7th day after maturity showed gradually decreasing trends from 7 :00 in the morning to 17 :00 in the afternoon. On the 14th day after maturity, the moisture content of pod-shell was higher than that of seeds up until 11 :00 in the morning but it was higher in the seeds after that. The greater the cylinder speed and the higher the moisture content of seeds, the higher the percentage of seeds damaged was resulted. At the same time, the percentage of seeds damaged was higher in Hwangkeumkong large seed sized than in Danyeobkong small seed sized at the same cylinder speed. Considering the seed yield, percentage of seeds damaged, percentage of seeds germinated, threshing efficiency and drying, etc., the appropriate cylinder speed was believed to be about II m per second and the most appropriate moisture contents of seeds for threshing were believed to be about 15-20%.
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