• 제목/요약/키워드: Agents

검색결과 10,897건 처리시간 0.038초

Utilization of Tobacco Sucker Control Agents in China

  • Li, Hu-lin
    • 한국연초학회지
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    • 제25권2호
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    • pp.154-159
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    • 2003
  • Using sucker agents for tobacco can lead some advantages including saving labor, increasing yield and reducing the spread of diseases. At present, the sucker control agents used in China mainly depended on importing. The agents includes two groups, systemics (Maleic hydrazide: MH, etc) and partial systemics (Butralin, Flumetralin, Pendimethalin, etc). Now, Pendimethalin(a.i. 33%, wp) was used extensively all over the tobacco field in China. Sucker control agents will also be used for tobacco production in China. Because of the high price of the imported agents, China has studied on the domestic production of tobacco sucker control agents and has made some progresses.

발열 보온재의 특성평가 시스템 구축 (Evaluation System of the Thermal Properties of the Exothermic Agents)

  • 신동엽;김도준;유병돈;김남수;오상훈
    • 한국소성가공학회:학술대회논문집
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    • 한국소성가공학회 2008년도 춘계학술대회 논문집
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    • pp.46-51
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    • 2008
  • In this study, evaluation system of the thermal properties of the exothermic agents was investigated. Exothermic agents property evaluation system was developed by metering variation of power supply. Thermal properties of exothermic agents was affected by material mixture condition of exothermic agents, however, it was not affected by temperature. It is possible to make various exothermic agents by means of regulating thermal properties which is based on property evaluation system of exothermic agents.

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양모직물의 내구성 발수 및 발유가공(II) (Durable Water and Oil Repellent Finish of Wool Fabric(II))

  • 나도춘;정순량;박병기;정경락
    • 한국염색가공학회지
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    • 제10권4호
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    • pp.1-6
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    • 1998
  • It is important in the durable water and oil repellent finishing for wool fabric what kinds of water-repellent agents will be used. Water repellent agents and its concentration were aleady chosen in the previous paper, one of the crosslinking agents which has less damages(harsh handle or yellowing) to the treated fabrics was a low molecular weight urethane-based resins(eg. Elastron BN-11). In repellent finishing, fabrics were padded in a bath which contained aqueous solution of water-repellent agents, and crosslinking agents, and wetting agents, followed by drying and curing. The most suitable treating condition for excellent repellency and durability to dry-cleaning was as follows : Fabrics are padded at liquor pick-up ratio of 50%, with aqueous solution which contained $30g/\ell$ of water-repellent agents, and $1g/\ell$ of crosslinking agents, and 40g/s of wetting agents. And the padded fabrics were dried at $110^\circ{C}$ for 1 minute, and cured at $160^\circ{C}$ for 1 minute. For the fabrics, water and oil repellencies and durability to repeated dry-cleanings were observed. For enhancing the durability to dry-cleaning, the role of crosslinking agents was important for they bonds water-repellent agents and fibers to 3-dimensional net structure. Therefore, the most suitable drying and curing conditions should be selected according to the kinds of crosslinking agents.

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생물작용제를 포함한 대량살상용 생물학적 무기에 대한 역사 및 법률적 안전규제 사항에 관한 고찰 (A Brief History and National Safety Regulation on the Weapons of Mass Destruction Including Biological Agents)

  • 김지희;이시영
    • 한국안전학회지
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    • 제22권4호
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    • pp.102-109
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    • 2007
  • A bioterrorism attack is the deliberate release of viruses, bacteria, or other germs(agents) used to cause illness or death in people, animals, or plant. These agents are found in nature, but it is possible that they could be changed to increase their ability to cause disease, make them resistant to current medicines, or to increase their ability to be spread into the environment. Terrorists may use biological agents because these agents can be extremely difficult to detect and do not cause illness for several days. Some bioterrorism agents, like smallpox virus, can spread from person to person, like anthrax, can not. From these agents, we discussed the characteristics of biological agents and national safety regulation on the weapons of mass destruction including bioterrorism.

WWW을 이용한 에이전트 기반 공동 설계 환경 개발 (Agent-based Collaborative Design Environment using WWW)

  • 안상준;이수홍
    • 한국CDE학회논문집
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    • 제3권1호
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    • pp.31-39
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    • 1998
  • This paper deals with a development of the system that implements a collaborative design environment with some intelligent agents on the m. Intelligent agents can design collaboratively trough an interchange of messages in their special domains. Such a collaborative design of agents is achieved on the WWW. In this paper, we propose special agents named intercessor and DCM (Dynamic Connection Manager) and suggest new connection architecture using these agents in the WWW in order to improve the pre-existed agent connection architecture. The proposed agents are developed using Java language and JATLite API. We apply the these agents to the new architecture and show some possibilities that the agent connection architecture can be extended in the WWW Agents interchange messages with others using KOML (Knowledge Query and Manipulation Language), agent communication protocol and language, and deal with message autonomously according to their rule base. Agents register and connect dynamically trough the intercessor agent, and infer from their.

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루프 배전계통에서 Agent를 이용한 보호협조 및 자동정정 방법에 관한 연구 (A Study on the Protective Coordination and Automatic Setting Method using Agents in Distribution System with Loop)

  • 진영택;이승재;최면송;임성일;김태완
    • 전기학회논문지
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    • 제61권8호
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    • pp.1107-1114
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    • 2012
  • In this paper, we propose protective coordination and automatic setting method using agents for distribution system with loop. The proposed protection scheme adopts an agent technology assuming communication among protection agents and auto-switch agents. Having exchanged fault-related information with each other, protection agents and auto-switch agents perform the primary and backup protection and fault section isolation, respectively. this proposed scheme using agents for distribution system with loop is implemented by matlab. Because of the various configuration of distribution system, It's difficult to find cooperative agents for each agent. This paper develops a program to automatically set the cooperative route for the agents.

펄프몰드용 새로운 고기능 코팅제 제조기술개발(제2보) -혼합코팅제 제조- (Development of Higher Functional Coating Agents for Pulp Mold (II) -Manufacture of mixed coating agents-)

  • 강진하;임현아
    • 펄프종이기술
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    • 제35권1호
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    • pp.19-26
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    • 2003
  • In recent years, numerous studies have been carried out to find out the possible substitution of PE-coated paperboards used in packaging of watery or oily foods. Accordingly, this study was carried out to obtain the basic data for producing higher functional coating agents for pulp mold by evaluating various kinds of mixed coating agents. At that time, two kinds of synthetic coating agents(AKD, PYA) and three kinds of natural coating agent(CMC, corn starch, oxidized starch) were used for making the mixed coating agents respectively. Physical properties of coated paperboards were tested. Conclusions obtained from this study were as follows. Based on concentrations, the proper mixture ratios were 10:90(AKD:CMC), 10:90(AKD:corn starch), 10:90(AKD:oxidized starch), 40:60(PVA:CMC), 20:80(PVA:corn starch) and 20:80(PYA:oxidized starch). The mixed coating agent of PYA:corn starch(20:80) was the most efficient coating agent. Consequently, water and oil resistance were improved even with much addition of natural coating agents. We consider that they can be suitable for the packaging used in the storage of higher moisture vegetables and other food, and also can be suitable for oily fried food.

온라인 호텔 예약을 위한 다중 이동 에이전트 시스템에 관한 연구 (The Study of a Multi-Mobile Agents System for Online Hotel Reservation)

  • 곽수환;강민철
    • 지능정보연구
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    • 제9권1호
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    • pp.1-21
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    • 2003
  • 전자상거래가 급속히 성장함에 따라 인터넷 상에서 인간을 대신하여 작업을 수행하는 에이전트가 활발히 사용되고 있다. 그러나, 현존하는 대부분의 전자상거래 에이전트들은 몇 가지 문제점을 가지고 있다. 그들은 구매자의 의사결정 행위 및 판매자의 정보 제공 활동을 완전히 지원하지 못하고 있다. 또한 이동 컴퓨팅 (mobile computing) 환경에도 적합하지 않다. 본 논문에서는 앞서 언급한 문제점들을 시정한, 개념적 프레임워크에 의거하여 개발된 다중-이동 에이전트 시스템 (MMAS: Multi-Mobile Agents System)을 소개한다. Tokyo IBM외 ASDK(Aglets Software Development Kit)을 사용하여 호텔 예약 분야에 대해 개발된 본 시스템은 상호 작용을 하는 구매자 측 에이전트와 사용자 측 에이전트로 구성되어 있다; 구매자 측 에이전트는 정보를 수집하고 다기준 의사결정 방법을 활용하여 이를 분석함으로써 구매자의 구매 의사결정을 도와주며, 판매자 측 에이전트는 판매자를 대신하여 데이터베이스를 관리하고 실시간 정보를 구매자 측 에이전트에게 제공한다. 본 시스템에서는 다중의 에이전트들이 효율성을 증대시키기 위하여 동시에 분담된 업무를 수행한다. 본 시스템은 위탁받은 작업이 끝나면 사용자들에게 이를 통지를 해주기 때문에 사용자들은 시스템과의 연결을 지속하고 있을 필요가 없다.

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한약 및 천연물의 항암 임상연구 방법론에 대한 고찰 (Review of Clinical Cancer Research Methodology of Botanical Agents)

  • 오혜경;이지영;류한성;윤성우
    • 대한암한의학회지
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    • 제20권1호
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    • pp.11-21
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    • 2015
  • Objectives : The cancer incidence and cancer burden is increasing. In addition, the use of botanical agents in cancer care is increasing. This article aims to review a research strategy for botanical agents. Methods : The clinical studies of anticancer botanical agents and the papers about clinical research methodology of botanical agents were reviewed. Results : In phase I study, safety confirmation, optimal dose determination and drug interaction study are important. Most botanical agents have low toxicity and some have non-monotone dose response. Therefore, dose-response curve must be evaluated separately from the dose-toxicity curve to determine optimal dose. Although anticancer botanical agents can't shrink tumor size rapidly, they do extend survival. So, in phase II study, response should be evaluated by the survival. Conclusions : Clinical research of botanical agents in cancer is different from traditional methods and strategies. Considering the characteristics of botanical agents and experimental mechanism is necessary in conducting botanical based clinical trials.

커플링제로 처리된 질화규소 분말의 사출성형 (Injection Molding of Silicon Nitride Powders Treated with Coupling Agents)

  • 송휴섭
    • 한국세라믹학회지
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    • 제30권2호
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    • pp.131-138
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    • 1993
  • The effects of silane coupling agents on the injection molding process were investigated using silicone nitride mixtrues with a binder system containing polypropylene as a major binder (55vol% solid loading). The formation of bonding between silicon nitride powder and coupling agents was confirmed through the analyses of powder surface. The use of coupling agents improved mixing characteristics judged by the torque change during mixing process. the coupling agents also reduced molten viscosity of the mixture considerably, which is a main factor to determine the flow of the mixture. However, the bonding between coupling agents and polymers had a negative effect on the debinding process by retarding the thermal decomposition.

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