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이점호,이상복,김홍열,양창인,김명기,전용희,이규성,김연규,정오영,황흥구,최용환,양세준,조영찬,오세관,예종두,이정희,원용재,이정일,정국현,황기호 한국육종학회 2011 한국육종학회지 Vol.43 No.6
보석흑찰(수원512호)은 생리활성기능을 가지고 있는 안토시안 함량이 높고 중생이며 흑자색 찰벼 품종을 개발하고자 유색찰 우량계통 SR18638-B-B-B-18-2와 흑자색 유색미 유전자원 흑미 H31을 교배하여 계통육종법으로 육성한 신품종이다. 선발된 우량계통에 대해 2005년부터 2006년까지 2년간 생산력 검정시험을 수행한 결과, 중생이고 색소의 착색과 수량성이 양호한 SR24098-17-2-2-3-2-2 계통을 선발하여 '수원 512호'로 계통명을 Boseogheugchal' a new black pericarp glutinous rice cultivar (Oriza sativa L.), was developed by the rice breeding team of National Institute of Crop Science, RDA, Suwon, Korea during the period from 1997 to 2008 and released in 2008. It was derived from a cross between SR18638-B-B-B-18-2/ Heugmi H31. The maturity of this cultivar is about 135 days from seedling to heading. This cultivar has about 12 tillers per hill and 94 spikelet numbers per panicle. Ripening ratio is about 72% and 1000 grain weight is 21.6 g in brown rice. This new variety shows grain shattering resistance and susceptible for blast, bacterial leaf blight and stripe virus. 'Boseogheugchal' has glutinous endosperm and low protein contents. It has higher anthocyanin content compared to black pigmented check cultivar 'Hegjinjubyeo' The yield performance of brown rice was 4.82 MT/ha in local adaptability test for three years. 'Boseogheugchal'is adaptable to central plain area of Korea.
이점호 한국도로학회 2008 한국도로학회논문집 Vol.10 No.3
I study for design criteria and research about Interchange diverging area of express highway and freeway. the most recent, at interchange diversion of express highway and freeway, design criteria and researches are focus on safety guarantee a point of view movement dynamics of vehicle and road geometric as to transition section, deceleration section, curve radius, nose section, outflow angle etc. that is, design criteria and research of Interchange diverging area have not consider a point of view movement dynamics of vehicle and road geometric and driver. so that I will be focus characteristic of runing speed on trasion curve. and I will consider vehicle running speed characteristics and study problem of Interchange diverging area design criteria. For this study, First, analysis meaning about theory of now design criteria, Second, look at vehicle running speed and traffic accident characteristics of Interchange diverging area , Third, propose new deceleration transition curve design method get along vehicle running speed characteristics of Interchange diverging area. new deceleration transition curve design method put out new outcoums. that is, I definite cause to safety new deceleration transition curve design method better than pressently, used design criteria of Interchange diverging area. especially, deceleration transition curve design criteria produced good result in the running speed 50km/h,40km/h, that is inertia better than inertia of present used design criteria. and deceleration transition curve is extended better than present transition curve criteria. so that new deceleration transition curve design method safety is good better than the past method safety. I study for design criteria and research about Interchange diverging area of express highway and freeway. the most recent, at interchange diversion of express highway and freeway, design criteria and researches are focus on safety guarantee a point of view movement dynamics of vehicle and road geometric as to transition section, deceleration section, curve radius, nose section, outflow angle etc. that is, design criteria and research of Interchange diverging area have not consider a point of view movement dynamics of vehicle and road geometric and driver. so that I will be focus characteristic of runing speed on trasion curve. and I will consider vehicle running speed characteristics and study problem of Interchange diverging area design criteria. For this study, First, analysis meaning about theory of now design criteria, Second, look at vehicle running speed and traffic accident characteristics of Interchange diverging area , Third, propose new deceleration transition curve design method get along vehicle running speed characteristics of Interchange diverging area. new deceleration transition curve design method put out new outcoums. that is, I definite cause to safety new deceleration transition curve design method better than pressently, used design criteria of Interchange diverging area. especially, deceleration transition curve design criteria produced good result in the running speed 50km/h,40km/h, that is inertia better than inertia of present used design criteria. and deceleration transition curve is extended better than present transition curve criteria. so that new deceleration transition curve design method safety is good better than the past method safety.
이점호,이동민,최재성 대한교통학회 2000 대한교통학회지 Vol.18 No.1
본 연구는 평면곡선부의 자유속도변화와 교통사고에 대한 영향을 분석하기 위해 수행되었으며, 이를 위해 곡선반경별로 진입부 직선도로-곡선부도로-진출부 직선도로로 구분하여 각 차량의 속도를 산출하였다. 평면곡선부의 자유속도변화와 기하구조의 영향을 분석하기 위해 선행차량에 의해 영향을 받지 않는 속도를 이용하였다. 이러한 곡선부에서 주행하는 차량의 자유속도를 통해 곡선반경별 최저속도와 그 속도가 나타나는 위치를 분석하였고, 해당 도로구간의 교통사고자료를 비교·분석하여 평면곡선 내의 속도변화와 교통사고발생간의 관계를 규명하였다 연구 결과는 다음과 같다. 첫째, 운전자들은 곡선시작지점에 도착하기 전에 충분히 속도를 줄이고, 곡선부에서 가장 낮은 속도가 나타나는 위치는 곡선내에서 나타난다. 이는 운전자의 시거에 의한 영향이다 둘째, 곡선부에서의 속도변화폭이 클수록 사고위험성은 크고, 실제 교통사고 발생건수도 높다. 본 연구의 결과를 통해 도로 주행의 안전성을 고려한 평가지표를 개발할 수 있으며, 이는 일관성 있는 도로설계를 이루게 한다. The Purpose of this Paper was to study the relationship between the change of operating speeds and the accidents on horizontal curves. For this purpose, we divided a horizontal curve section into two parts, a tangent section and a curve section, to estimate the operating speed for each vehicle. For studying relationship between the change of speed and geometric effect, the free-flow speed was used. The location and speed for the lowest speed were studied. Also, we analyzed the relationship between the change of operating speeds and the accidents. The followings are resulted in this study. First, drivers tend to reduce speeds significantly before they reach a curve. And the lowest speed was recorded at the downstream of the Point of curve (PC) due to the limited sight-distance of drivers on curve. Second, the larger the change of operating speeds become, the greater frequency of accident was recorded. These results can be used for developing the safety index on highways to check the design consistency.