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솔수염하늘소(Monochamus alternatus)에 대한 수종 살충제의 살충효과
이상명 ( I Sang Myeong ),문일성 ( Mun Il Seong ),정영진 ( Jeong Yeong Jin ),이상길 ( Lee Sang Gil ),이동운 ( Lee Dong Un ),추호열 ( Chu Ho Yeol ),박정규 ( Park Jeong Gyu ) 한국산림과학회 2003 한국산림과학회지 Vol.92 No.4
To develop efficient control program against Japanese pine sawyer (JPS). Monochamus alternatus Hope, laboratory bioassay using 7 insecticides, and the residual effects of fog-machine treatment and ultra-low-volume spray by helicopter of fenitrothion induced 100% mortality 4 days after exposure (DAE), and exposure for 4 minutes did that 2 DAE. Even the periods when they were alive, they did not feed on treated P. densiflora shoots. All the topical applications of the fenitrothion on elytra, head, mouth, tarsus, and ventral parts show 100% mortality. The residual effect of fog-machine treatment of fenitrothion was very effective against JPS adults. When the adults were inoculated on the treated shoots at the 1st day of treatment with 50,000 and 5,000 ppm solution of fenitrothion, the LT_(100) was only 1 day; even at the 11th day it was only 3 days. The residual efficacy of ultra-low-volume spray with helicopter lasted longer than that of fog-machine treatment. When the JPS adults were inoculated on the sprayed shoots even at the 10th day of the spray with 60,240, 5,000 and 1,000 ppm, the LT_(100) was only a day.
어선용 고효율 시리즈 (KF 시리즈) 프로펠러에 대한 성능 연구
장진열(Jin-Yeol Jang),김문찬(Moon-Chan Kim),이원준(Won-Joon Lee),문원준(Won-Jun Mun),이창섭(Chang-Sup Lee),문일성(Il-sung Moon) 대한조선학회 2012 대한조선학회 학술대회자료집 Vol.2012 No.5
The MAU series has been usually used for the fishing vessel's propeller, which has been improved in consideration of the efficiency as well as the cavitation point of view in PNU. The high efficiency standard series propeller(KF series) has been applied to the design of 52ton class fishing vessel's propeller in the previous study. The experimental study for the performance of the design propellers called KF series for 52ton class fishing vessel has been conducted with five cases in KORDI towing tank. The model tests have been carried out at different pitch ratio and expanded area ratio in comparison with the standard propeller to make the series chart. The KF series chart and the formula for performance expression will be completed on the basis of the experiment result.
어선용 고효율 시리즈 (KF 시리즈) 프로펠러에 대한 성능 연구
장진열(Jin-Yeol Jang),김문찬(Moon-Chan Kim),이원준(Won-Joon Lee),문원준(Won-Jun Mun),이창섭(Chang-Sup Lee),문일성(Il-sung Moon) 한국해양환경·에너지학회 2012 한국해양환경·에너지학회 학술대회논문집 Vol.2012 No.5
The MAU series has been usually used for the fishing vessel"s propeller, which has been improved in consideration of the efficiency as well as the cavitation point of view in PNU The high efficiency standard series propeller(KF series) has been applied to the design of 52ton class fishing vessel"s propeller in the previous study. The experimental study for the performance of the design propellers called KF series for 52ton class fishing vessel has been conducted with five cases in KORDI towing tank The model tests have been carried out at different pitch ratio and expanded area ratio in comparison with the standard propeller to make the series chart‘ The KF series chart and the formula for performance expression will be completed on the basis of the experiment result.