• 한국약용작물학회:학술대회논문집
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• 2012.05a
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• pp.23-24
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• 2012

• Proceedings of the Korea Multimedia Society Conference
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• 2003.05b
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• pp.771-774
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• 2003

인터넷의 고속화, 대용량화로 디지털 컨텐츠의 사용이 증가하고 있다. 디지털 컨텐츠는 비 손실 복제, 디지털 정보의 접근 용이성, 쉽고 빠른 배포 가능, 매우 적은 복제 비용 등의 특성으로 불법적인 복제와 배포가 널리 행해지고 있다 이에 대한 대책으로 DRM(Digital Rights Management)에 대한 많은 연구가 이루어지고 있다. 최근 모바일 Device를 이용한 디지털 컨텐츠의 사용이 늘고 있다. 모바일 환경에서 디지털 컨텐츠를 이용하기 위해서는 모바일 환경의 여러 가지 조건을 고려해야한다. 본 논문에서는 X9.59 지불프로토콜을 이용하여 보다 안전하고 편리하며 모바일 환경에서도 적용 가능한 DRM기반 컨텐츠 유통 시스템을 설계하고 구현한다.

• Journal of Radiation Industry
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• v.6 no.1
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• pp.101-110
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• 2012

This paper is described the review of several selected accelerators and the use of accelerators in various purposes. The electrostatic accelerators and RF accelerators have been developed before the second world war for the purpose of basic research of physics mainly. RF driven accelerators have been achieved higher energy and applied in medical and industrial use after 1980's. Accelerators have improved incorporating new technologies : axial and horizontal injection, stripping extraction, superconducting RF, computer control, superconducting magnet etc.. Also recent key technologies as BT and NT make the expansion of applications of the accelerators.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• 2019.05a
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• pp.220-221
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• 2019

향후 도입이 검토되고 현재 개발되고 있는 자율운항선박(MASS)에 대한 법적문제에 대한 검토가 필요하게 되어 국제해사기구(IMO) 법률위원회(LEG)에서 이러한 법적사항을 논의하게 되었다. 이에 법률위원회에서 진행되고 있는 자율운항선박의 책임 및 보상 문제 관련 논의사항 및 최근 동향에 대해서 분석하고 우리나라가 참여하고 있는 LEG 협약의 규정검토작업에 대한 동향도 살펴보고자 한다.

• Proceedings of the Korean Society of Crop Science Conference
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• 2018.10a
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• pp.115-115
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• 2018

• Proceedings of the Korean Society of Disaster Information Conference
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• 2023.11a
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• pp.63-64
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• 2023

중대시민재해의 대상은 공중이용시설, 공중교통수단, 그리고 원료·제조물로 구성되고, 재해를 관리하기 위한 안전보건체계와 이에 대한 이행체계로 구성된다. 중대시민재해의 주요 대상 기관은 지자체와 공공기관, 그리고 다중밀집시설 사업장을 가진 업체가 주요 대상이 된다. 특히 지자체의 경우에 광범위한 시설물을 관리하기 때문에 그 관리체계의 복잡함이 발생하며 이에 따라, 이를 효과적으로 관리할 수 있는 시스템 관점의 체계를 본 연구에서 초점을 두었다.

• Proceedings of the Korean Society of Crop Science Conference
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• 2021.10a
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• pp.60-60
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• 2021

• KOREAN JOURNAL OF CROP SCIENCE
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• v.48 no.6
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• pp.424-428
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• 2003

This study was conducted to find out the optimum cultural method for hybrid seed production of Chalok 2. Higher seed yield was obtained when KW3 was used as a seed parent (female). KW7 was shown Higher barren stalk occurrence which caused significant seed yield reduction when it was used as a seed parent (female). The ratio of female (KW3) to male (KW7) rows with 4 to 1 had higher seed yield than that of 2:1 or 3:1. In case of using KW3 toy a seed parent, KW3 was susceptible to stem and ear rotting disease. The 35th day after silking was optimal period to harvest due to higher 100-grain weight, lower rotten grain, and higher germination rate.

• Korean Journal of Medicinal Crop Science
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• v.7 no.3
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• pp.213-217
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• 1999

Seed coating and pelleting techniques have been used in many crops to improve the germination vigor of tiny and light seeds. Cultivated Chinese-foxglove (Rehmannia glutlnosa) has been infected by various types of virus derived from vagetative propagation of rootstock. Seed characteristics and alginate-coated seed germination rate have been investigated to get basic information for healthy seedling production through seed propagation. Chinese-foxglove showed different numbers of seeds per pod from 61 in Seocheon local to 207 in Jiwhang 1 and 1,000grain weight also varied from 70mg of Seocheon local to 130mg of Jiwhang 1. Seeds of Chinese-foxglove has dormancy because that seed collected last year more stimulated than that of this year at germination test. Optimum alginate concentration for pellected seeds germination was 2%.

• Journal of Korean Society of Forest Science
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• v.84 no.3
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• pp.356-360
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• 1995

Korean white pine(Pinus koraiensis S.et Z.) is one of the important silvicultural species due to its quality timber in addition to edible pine - nut production. Selective breeding method is under progress to improve growth and nut production for this species. This study was carried out to obtain genetic information necessary for establishing advanced generation seed orchard, such as genetic parameters and efficiency of early selection. Open - pollinated cones were collected from 50 plus trees. In the spring of 1986, test plantations were established at 3 different sites with 4 - year - old seedlings. Seedling height was measured from age 5 to 10 in plantations. Genetic and phenotypic correlations based on the log of the ratio of two ages (LAK) were expressed as simple regression with statistical significance($r^2=0.7862$ and 0.8256, respectively). If 20 years is presumed to mature, the most efficient age for early selection is 3 years after planting with efficiency of 1.96.