• Journal of the Society of Cosmetic Scientists of Korea
• /
• v.18 no.1
• /
• pp.132-149
• /
• 1992

This study relates to a microemulsion gel which is applied in various cosmetic preparations because of good appearance, superior stability and a thin, uniform, non-greasy fi Am on the skin. Main object of this study is to elucidate the influence of polyol(clarifying agent and/or coupling agent in microemulsion) on microemulsion and to establish the optimum conditions for microemulsion gel formation in the view of superior consistency, stability, clarity and pick-up from a container. The constituents of the system are composed of water, polar ester oi1, nonionic surfactant and polyol. Using the three-component phase diagram and the tetrahedral-phase diagram, we have investigated the changes of transparence regions, consistency and resonance effect by an impact in microemulsion gel varying in polyol ratio. The results of this study showed that the variation in the content of water and couple ins agent has major influence on the microemulsion gel and the optimum formation region of microemulsion gel is the widest when the ratio of glycerine(coupling agent) to water is 63-75% It is believed that optimum use of polyol seems to be helpful to obtain the microemulsion gel containing maximum amount of oil phase with minimum amount of surfactant which is recently one of the major problems of cosmetic chemists.

• Proceedings of the Membrane Society of Korea Conference
• /
• 1996.10a
• /
• pp.86-87
• /
• 1996

IPN (Interpenetrating Polymer Network) is a mixture of two or more crosslinked polymers with physically interlocked network structures between the component polymers. IPN can be classified as an alloy of thermosets and has the characteristics of thermosets such as the thermal resistance and chemical resistance and also has the characteristics of polymer alloys with enhanced impact resistance and amphoteric properties. The physical interlocking during the synthesis restricts the phase separation of the component polymer with chemical pinning process, thus the control of morphology is possible through variations of the reaction temperature and pressure, catalyst concentration and crosslinking agent concentration. Finely dispersed domain structure can be obtained through IPN synthesis of polymer components with gross immiscibility. In membrane applications, particularly for the separation of liquid mixtures, crosslinked polymer component with specific affinity to the permeate is needed. With the presence of the permeant-inert polymer component, the mechanical strength and the selectivity of the membranes are enhanced by restricting the swelling of the transporting polymer component networks.

• Proceedings of the Korean Institute of Building Construction Conference
• /
• 2017.05a
• /
• pp.140-141
• /
• 2017

This study is based on the evaluation of a single component injection type adhesive repair material and a new 2 component type used in leakage of underground concrete structures. The studies showed that based on different mix ratio of the 2 component type adhesive sealant comprised of an asphalt main and latex mixture agent the viscosity of the material compound differed significantly. Based on a permeability testing, injection and economic efficiency, and performance, the appropriate ratio was determined to be 6:1 and was proceeded to the KS F 4935 evaluation method. The 2 component type adhesive sealant uses a static mixer and a cartridge type container for the injection procedure and was able to satisfy the evaluation criteria outlined in the KS F 4935 standard.

• Proceedings of the Korea Concrete Institute Conference
• /
• 2008.11a
• /
• pp.729-732
• /
• 2008

Naphthalenic admixture(PNS) has been widely used as main component of AE reducing agent among superplasticizers for concrete for a long time. However its noxiousness has been appointed because of formaldehyde compound applied during in synthetic process. In this study, AE reducing agent prepared using PNS and substituted-PNS agent(ECO-AEM) without formaldehyde compound added to concrete. For these agent, the basic performance of concrete and ecological affinity properties were evaluated and compared.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
• /
• 2005.10a
• /
• pp.221-224
• /
• 2005

According as marine leisure industry has developed and the demand of leisure culture has increased rapidly, a desire about service which supply marine safety and connect marine information is enlarging. We wish tc develop contents of download form that supply geographic information of Electronic Navigational Chart(ENC) in the marine that is digitalized to carrying along terminal of WIPI base and various informations for marine leisure. For this, DB that offer ENC and additional information should be constructed. Also, we need server (CPS; Contents provider Server) that offer required contents. In this paper, we design web retrieval component which store request information to database. When consumer required necessary information through personal mobile device, CPS can inform that. So, we wish to develop web retrieval agent component that parse informations in various World Wide Webs, and store to database.

• Journal of KIISE:Computing Practices and Letters
• /
• v.8 no.5
• /
• pp.598-606
• /
• 2002

We suggest a distributed communication and management methodology using PC to PC Query multicasting strategy for efficient management of medical images produced by DICOM(Digital Imaging and Communications in Medicine) Modalities. It is absolutely necessary to reduce strict degradation of PACS system due to large sire of medical images and their very high transport rates. DICOM PC to PC Component is composed of a Service Manager to execute requested queries, a Communication Manager to take charge of file transmission, and a DICOM Manager to manage stored data and system behavior Each Manager itself is a component to search for requested file by interaction or to transmit the file to other PCs. Distributed management and transformation of medical information based on PC to PC Query multicasting methodology will enhance performance of central server and network capacity, reducing overload on both. We organize three major components for system operation. Each component is implemented as Agent. Communication between agents uses XML encoded Agent Communication Language.

• Proceedings of the Korea Inteligent Information System Society Conference
• /
• 2000.04a
• /
• pp.207-216
• /
• 2000

Due to recent growing interest in autonomous software agents and their potential application in areas such as electronic commerce, the autonomous negotiation become more important. Evidence from both theoretical analysis and observations of human interactions suggests that if decision makers have prior information on opponents and furthermore learn the behaviors of other agents from interaction, the overall payoff would increase. We propose a new methodology for a strategy finding process using data mining in autonomous negotiation system ; ANSIA (Autonomous Negotiation System using Intelligent Agent). ANSIA is a strategy based negotiation system. The framework of ANSIA is composed of following component layers : 1) search agent layer, 2) data mining agent layer and 3) negotiation agent layer. In the data mining agent layer, that plays a key role as a system engine, extracts strategy from the historic negotiation is extracted by competitive learning in neural network. In negotiation agent layer, we propose the autonomous negotiation process model that enables to estimate the strategy of opponent and achieve interactive settlement of negotiation. ANISIA is motivated by providing a computational framework for negotiation and by defining a strategy finding model with an autonomous negotiation process.

• YAKHAK HOEJI
• /
• v.8 no.3
• /
• pp.69-73
• /
• 1964

Cayenne pepper used traditionally as hot seasoning and for antifungal agent in "Ganjang" soy sauce in Korea. However the correlation between its component and antifungal activity has been unknown. CApsaicine is known as hot component of cayenne pepper. Antifungal activity of capsaicine in 'Ganjang' soy sauce was studied and the results are as follows; 1) In 'Ganjang' soy sauce, antifungal activity of capsaicine were strong in same degree with butyl-p-hydroxybenzoate. 2) Antifungal activity of capsaicine were intensified by the addition of sodium chloride. 3) The antifungal activity of capsaicine was increased by lower pH (pH 5.5-4.5) of 'Ganjang' soy sauce.

• Proceedings of the Korea Society for Simulation Conference
• /
• 1999.10a
• /
• pp.7-11
• /
• 1999

Farmer 모델에 의하여 정의된 망관리 시스템 에이전트의 구성모델을 인터페이스 명세모델로의 매핑에 대하여 서술하였다. 인터페이스 명세모델은 컴포넌트 기반 개발 (Component Based Development)에서 구현과 설계를 구분하기위하여 제시하는 모델로서 본 논문에서는 TMN 에이전트 설계의 예로서 설명하였다. 특히 Farmer 모델에서의 측면의 개념을 반영하기 위하여 측면 인터페이스(Aspect Interface)의 개념을 도입하였다.

• Journal of the Korea Computer Industry Society
• /
• v.3 no.7
• /
• pp.851-860
• /
• 2002

By managing various communication networks, we have Telecommunication Management Network(TMN) which has the aim of unified and effective communication network operation and maintenance. However, since TMN has been developed by different platforms in the implementation process, several problems have been found in the step of developing and maintaining the class of TMN system agent. In order to solve these problems, this paper suggests the component outsourcing concept which is based on Component Based Development.