http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
사과나무 부난성 병해(부난병, 동고병, 동부병)에 관한 연구 제1보 발생상황
김승철,원창남,이응권,손준수,한의동,Kim Seung Chul,Won Chang Nam,Lee Eung Kwon,Son Jun Su,Han Eui Dong 한국응용곤충학회 1970 한국식물보호학회지 Vol.9 No.2
1) 본 보고는 사과나무 부란성병의 발생상황에 대하여 주산지인 충북, 충남, 경북등 3개도에서 1967년부터 1970년까지 4년 간 조사한 것이다. 2) 피해상황은 각지방에서 $30\%$ 내외가 감염되어 사과재배에 큰 위협을 주고 있다. 3) 수령별로는 대체로 수령이 많아질 수록 발병이 심한 펀이었다. 4) 품종간에는 홍옥의$6.1\%$가 가장 발병이 많았고 그 외는 Golden Delicious, 인도, 국광, 축의 순위였다. 5) 시비관계는 질소다량시비구가 $21.9\%$로 소양시비구에 비하여 약 1/3정도 발병이 많았으며, 붕소를 사용한 과원은 대조과원보다 약 1/4-1/6 정도로 발병률이 감소되었다. 6) 재배지대별로 보면 충북에서는 하천지대에 발병이 심했으나 경북지방은 대체로 하천, 평야, 구릉지대 어디서나 비슷한 경향이었다. The occurence of apple canker in the three main apple growing areas including Yesan, Chungju and Taegu was investigated during the four years from 1967 to 1970. According to the survey, about 30 percent of apple plants was infected with canker organisms and more the disease occurred in older plants in comparison with younger ones. Jonathan was said to be highly susceptible among five varieties observed. Main trunks or main branches had more canker lesions than those of twigs or of side branches. The survey showed that application of higher nitrogenous fertilizer without boric acid predisposed to the disease together with sandy soil.
3차원 입체영상 센싱, 이미징 및 디스플레이를 위한 집적영상 및 디지털 홀로그래피 기술
김승철,신동학,김은수,Kim, Seung-Cheol,Shin, Dong-Hak,Kim, Eun-Soo 한국광학회 2014 한국광학회지 Vol.25 No.4
본 논문에서는 기존 스테레오 3D 방식의 문제를 해결할 수 있는 집적영상 및 디지털 홀로그래피 방식을 포함하는 공간영상방식의 3차원 영상기술에 대해 소개하고 최근의 국내외 연구개발 동향에 대해 알아본다. 또한 이를 기반으로 향후 연구개발 방향을 전망한다. In this paper, state-of-the-art digital holography and integral imaging have been introduced as practical three-dimensional imaging and display technology. Operational principles and recent research and development activities of these technologies have been discussed, as well as a vision of their future.
김승철,정성종,Kim, Seung-Cheol,Jeong, Seong-Jong 대한기계학회 2000 大韓機械學會論文集A Vol.24 No.10
In order to minimize straightness error of deflected shaft, a geometric adaptive straightness controller system is studied. A multi-step straightening and a three-point bending process have been developed for the geometric adaptive straightness controller. Load-deflection relationship, on-line identification of variations of material properties, on-line springback prediction, and real-time hydraulic control methodology are studied for the three-point bending process. By deflection pattern analysis and fuzzy self-learning method in the multi-step straightening process, a straightening point and direction, desired permanent deflection and supporting condition are determined. An automatic straightening machine has been fabricated for rack bars by using the developed ideas. Validity of the proposed system is verified through experiments.
배나무 붉은별무늬병(적성병) 관한 연구 I. 전염원의 몇가지 생태 조사
김승철,김충회,Kim Seung Chul,Kim Choong Hoe 한국응용곤충학회 1980 한국식물보호학회지 Vol.19 No.1
배나무 붉은별무늬병은 1973년이래 해마다 발병이 증가하여 1975연에는 발병엽율 $60.3\%$에 달하였으며 1974년 향나무 재식규제조치이후 감소하였다. 붉은별무늬병원균의 동포자발아 시기는 4월중순부터 5월중순까지 였으며 인공강우에 의하여 그 발아시기를 5일 전에 알 수 있었다. 성숙한 동포자퇴의 포자발아에는 3시간 이상의 계속되는 비로서 상당량의 강수가 필요하였다. 배나무의 감염은 강우중이나 강우직후에 이루워지고 있었으며 강양 24시간 이후의 감염은 없었다. 감염후 배나무에서의 잠복기간은 $9\~10$일이었다. 배나무와 향나무사이의 지리가 100m 이내인 경우에는 거의 모든 배나무가 발병하였으나 거리가 멀어짐에 따라 발병율도 감소하였으며 2km 이상에서는 발병이 없었다. The outbreak of the pear rust caused by Gymnosporangium haraenum SYDOW has increased gradually since 1973, and amounted to 60.3 percent infection of leaves in 1975. But it has reduced due to regulation of juniper plantings by Plant Protection Law enacted in 1974. The teliospores of C. haraeanum germinated from middle of April to middle of May under natural condition. The germination of teliospores was observed 5 day earlier under laboratory condition with the artificial rainfall than that of natural condition. It was required considerable rainfall and longer than 3hr rainy period to germinate teliospores after being matured. Infection of rear leaves took place in the rain or just after the rain, but not after 24hr. The incubation period of G. haraeanum on the leaf was 9 to 10 days. In case that the distance between orchard and juniper trees was less than loom, almost all of the pears were infected, but the chance oft infection reduced in proportion as the distance increased. No infection occurred at the distance of further than 2000m.
표면 열전달 저항이 배제된 건물 벽체 열성능 현장 측정 기법
김승철,김상봉,나환선,Kim, Seungchul,Kim, Sangbong,Nah, Hwanseon 한국전력공사 2020 KEPCO Journal on electric power and energy Vol.6 No.2
In this paper, a new experimental method to determine the thermal resistance of building wall was proposed by improving the heat flow method (HFM) based on the air-surface temperature ratio theory. This technique measures the thermal resistance of the wall excluding the inner and outer surface heat transfer resistance. Unlike conventional HFM, this value can be compared directly with the theoretical reference value. Its performance was verified using three mock-up structures with a theoretical thermal transmittance of 0.5, 3.3, and 0.18 W/㎡·K respectively. After measuring the variations in the temperature and heat transfer rate of the mock-ups for 383 hours, the thermal transmittances were determined to be 0.47, 3.10, and 0.18 W/㎡·K, which corresponded to errors of 5.2, 6.2 and 0.5%, respectively, compared to the theoretical values. It was concluded that this technique can directly compare the thermal resistance of the wall between the existent stage and initial stage after construction.