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주성현,유재성,정만호 청주대학교 산업과학연구소 2003 産業科學硏究 Vol.21 No.1
In this paper, optical encryption systems using double random phase encoding technique is analyzed. And it is evaluated that the effects of distortion which can be occurred in encrypted images. According to the form of processed data, two kinds of encryption method based on amplitude and phase are dealt, and allowed distortion tolerance about additive noise and loss of information are considered.
주성현 慶北大學校農業科學技術硏究所 2001 慶北大農學誌 Vol.19 No.-
This study addressed the effects of environmental attitude improved using forest environmental interpretation program. While previous research has focused developing interpretation program itself, this study analyzed the effects that environmental interpretation has improved toward pro-environmental attitude. This program was designed self-guiding interpretive techniques at Mt. Palgongsan Provincial Park. Environmental attitude was measured using 12 statements which was based on fifth-graders attitude scale in U.S.A. Data were collected from 84 elementary school participants in this program. Results showed that attitude scores of participants increased toward pro-environmental attitude. Especially, three statements (interest, safe and benefits of forest) are statistically significant differences between pre- and post survey. Results can be used by outdoor educators to evaluate and plan their environmental interpretation programs and methods.
葉의 乾燥에 따른 氣孔開度와 水分 포텐샬과 壓포텐샬 및 相對含水率의 關係
朱城賢 慶北大學校 1991 論文集 Vol.51 No.-
Leaf water potential, pressure potential and leaf conductances don't decline directly according to the decline of relative water contents. Leaf conductances keep equilibrium at more than 90%, in relative water contents, more than -1MPa in leaf water potential, more than 0.5MPa in pressure potential. Relationship between relative value of leaf conductance and all water condition indicates similar tendency without regard to leaf size. Therefore, if it can be become a formula, we can simulate the reaction of water diffusion conductance in accordance with leaf desiccation.
朱城賢 慶北大學校農業科學技術硏究所 1991 慶北大農學誌 Vol.9 No.-
The depth and spread of root systems and the density of root branching affect the success and survival of plants subjected to drought. The type and size of root systems are controlled by heredity and soil conditions. There are also important interaction between roots and shoots; roots are dependent on shoots for carbohydrates, growth regulators, and certain vitamins, and shoots are dependent on roots for water, micerals, and certain growth regulators. Pinus thunbergii Parlatore had most of roots in the top 20cm of soil, and had little short of roots in the less than 80cm of soil. Average of root density was 270 cm/cm³in the upper soil(0∼20cm). Root density of Pinus thunbergii Parlatore was similar to that of Cryptomeria japonica. There is no saying that Pinus thunbergii Parlatore has an advantage over Cryptomeria japonica in the drought. This data will be used to the root density values in the simulation model of black pine stands.
정보시스템 품질 관점에서 평가한 은행 비대면 채널의 성과
주성현,하성호,장쩐위 한국경영과학회 2010 한국경영과학회 학술대회논문집 Vol.2010 No.6
This study targeted the common customers who have experience with indirect banking services, CD/ATM and Internet banking. The surveys were about the current situation that the common customer’ perception of utilizing indirect banking service, in the view of quality factors for information systems(quality of information, quality of service, system quality) that influence customer satisfaction. The results showed that the accuracy, responsibility, reliability, and ease of use of CD/ATM systems have a significant influence on user satisfaction with consideration to the account checking service. Regarding the fund transfer services, accuracy, reliability, security, and ease of use have a significant influence on user satisfaction. Both services have a significant influence on service loyalty. Also, the accuracy, understandability, reliability, and ease of use of Internet banking systems have a significant influence on user satisfaction with consideration to the account checking service. Regarding the fund transfer services, accuracy, reliability, security, and ease of use have a significant influence on user satisfaction. Both services have a significant influence on service loyalty. As indicated in this study, in different forms of banking services, by utilizing the different operation plans flexibly, the amount of business and business plans of indirect banking service can be promoted.
정보시스템 품질 관점에서 평가한 은행 비대면 채널의 성과
주성현,하성호,장쩐위 대한산업공학회 2010 대한산업공학회 춘계학술대회논문집 Vol.2010 No.6
This study targeted the common customers who have experience with indirect banking services, CD/ATM and Internet banking. The surveys were about the current situation that the common customer’ perception of utilizing indirect banking service, in the view of quality factors for information systems(quality of information, quality of service, system quality) that influence customer satisfaction. The results showed that the accuracy, responsibility, reliability, and ease of use of CD/ATM systems have a significant influence on user satisfaction with consideration to the account checking service. Regarding the fund transfer services, accuracy, reliability, security, and ease of use have a significant influence on user satisfaction. Both services have a significant influence on service loyalty. Also, the accuracy, understandability, reliability, and ease of use of Internet banking systems have a significant influence on user satisfaction with consideration to the account checking service. Regarding the fund transfer services, accuracy, reliability, security, and ease of use have a significant influence on user satisfaction. Both services have a significant influence on service loyalty. As indicated in this study, in different forms of banking services, by utilizing the different operation plans flexibly, the amount of business and business plans of indirect banking service can be promoted.