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박인균,하용훈 한국시뮬레이션학회 2020 한국시뮬레이션학회 논문지 Vol.29 No.4
북한은 비대칭 전력으로 다양한 사거리의 미사일을 개발해 실전 배치했다. 이들 미사일 가운데 단거리 탄도미사일은 정확도를 향상시켜 적은 수의 미사일로 우리 군의 주요시설을 타격해 전술목표를 달성하는 것을 목표로 할 것으로 예상된다. 이는 전시 북한의 주요 공격 대상 중에 하나인 비행장에 대한 중대한 위협으로, 만약 공격을 받을 경우 전시 항공 우위 확보에 필수적인 공군 전투기의 운용을 제한할 수 있다. 이에 따라 위협이 되는 단거리탄도탄을 기반으로 군 비행장별 피해확률을 시뮬레이션하였고, 소극적인 방어의 일환으로 전력배치 변화를 통해 전투력 손실 감소 방안을 연구하였다. 그 결과 현재 배치에 비해 전력의 손실량을 줄일 수 있는 배치방안을 도출할 수 있었다. North Korea has recently developed and deployed missiles with various ranges as asymmetrical forces. Among them, short-range ballistic missiles with improved accuracy are expected to aim at achieving tactical goals by hitting important military facilities in Korea with a small number of missiles. Damage to the air force airfields, one of North Korea’s main targets of missiles attack, could limit the operation of air force fighters essential to gaining air superiority. Based on the attack by the short range ballistic missiles, the damage probability of military airfields was simulated. And as the one of the concepts of passive defense, the way to reduce the loss of combat power was studied through the changes of the air force squadrons deployment. As a result, the effective deployment plan could be obtained to reduce the amount of power loss compared to the current deployment.
호박벌(Bombus ignitus) 및 좀뒤영벌(Bombus ardens)의 산란에 미치는 당액과 화분의 급이효과
박인균(In-Gyun Park),윤형주(Hyung-Joo Yoon),이상범(Sang-beom Lee),김삼은(Sam-Eun Kim),이영인(Young-In Lee) 한국양봉학회 2004 韓國養蜂學會誌 Vol.19 No.2
Experiments were carried out with two species of bumblebees, Bombus ignitus and B. ardens, rearing with some natural source of pollen and honey together with sugar solution. Some results obtained are discussed from the point of view for the practical mass rearing of bumblebees, and summarized as below; The characteristics of oviposition and development of B. ignitus with sugar solution are more effective than with acacia honey and mixed honey in case of oviposition rate and days for first oviposition. Oviposition rate of B. ignitus reared with the pollen of Actinidia arguta pollen is highest with 35.0% and also higher than another pollen sources.
박인균(In Gyun Park),윤형주(Hyung Joo Yoon),김미애(Mi Ae Kim),이경용(Kyeong Yong Lee),박해철(Hae Chul Park),김성현(Seong Hyun Kim) 한국양봉학회 2016 韓國養蜂學會誌 Vol.31 No.3
To increase the fruit quality and fruit set ratio of the cherry, 3 species of insects, honeybee (Apis mellifera), bumblebee (Bombus terrestris) and Osmia cornifrons were used for pollination in cherry field in Gyeongju province. And also economical effect for crops of cherry fruit pollinated with same insect was analyzed. This study was also conducted using 3 kinds of methods for pollination effect, natural condition, net-house treatment and control method. Three species of cherry, Juadeonggum, Bing and Napoleon, were used in this experiment, also Juadeonggum and Napoleon species used as assistant pollination tree each other. Foraging activity of Apis mellifera showed peak in 9 AM, but in case of Bombus terrestris showed activity constantly from 9 AM to 5 PM. Rate of fruit set pollinated with A. mellifera and B. terrestris was showed 16.1% and 12.7% respectively. But O. cornifrons was lower than another 2 kinds of insects with 6.5% of fruit setting rate. Total rate of fruit set of cherry showed lower tendency compared with other kinds of fruit tree with under 20%. This results of low fruit set ratio is to be caused by abnormal weather condition, low temperature and heavy wind in blooming periods of cherry in 2010. There are some different in saccharinity, average saccharinity of fruits pollinated by Apis mellifera and B. terrestris was showed higher than O. cornifrons and natural condition with 21.9 Brix (%) and 20.9 Brix (%) respectively. In conclusion, method of using honeybee and bumblebee seems to be effective to increase productivity and fruit quality in pollinating cherry flowers.