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      • KCI등재

        SiC 입자강화 Al-Si 복합재료의 내마멸성에 미치는 Cu , Mg 의 영향

        심상한,정용근,박익민 ( Shang Han Shim,Yong Keun Chung,In Min Park ) 한국주조공학회 1990 한국주조공학회지 Vol.10 No.1

        N/A The influences of Cu and Mg addition on wear properties of SiC particulate reinforced Al-Si metal(alloy) matrix composites were investigated. Metal matrix composites were prepared by combination of compocasting and hot pressing techniques. The main results obtained are as follows : 1) The composite with Mg addition exhibits letter wear resistance than that with Cu addition. It is considered that Mg addition improved wettability of matal matrix composite by the strong segregation to the SiC / Al matrix interface. 2) After homogenization treatment, it was found that the interfacial segregation of Mg was predominant, while that of Cu was not detected. 3) The SiC / Al-11Si eutectic composite exhibits better wear resistance than the SiC / Al-6Si hypoeutectic composite does. 4) It seems that the increase in the amount of Mg addition affects on the uniform dispersion of SiC particulates, on the refinement of microstructure and on age hardening and these effects cause wear resistance improvement of composites.

      • 바울의 목회관 : 내게 더 좋은 것과 교회에 더 유익한 것

        심상 그리스도신학대학교 출판부 2010 교수논문집 Vol.10 No.-

        Paul’s View on the Ministry: The better thing for Paul or the more necessary one for your sake In Galatians 1:13-17 Paul outlines his conversion experience. His conversion was initiated by God, rather than by any human agent. God had set him apart, even while in his mother’s womb, for the express purpose of preaching Christ to the Gentiles (1:15- 16). God revealed His Son in Paul, not just “to”him (1:16). What meanings does this conversion experience give to Paul? The Damascus experience gave two special meanings to Paul: revelation event and calling event. Paul’s imprisonment led to “the greater progress of the gospel”(Phil. 1:12). The noun “progress”means “cut before”and speaks of the cutting of a path by pioneers to open the way for an army to advance into new territory. Even though Paul’s imprisonment may have seemed like a setback, it actually served to advance the gospel among those in Rome. In Philippians 1:15-17 he writes: “Some, to be sure, are preaching Christ even from envy and strife, but some also from good will; the latter do it out of love, knowing that I am appointed for the defense of the gospel; the former proclaim Christ out of selfish ambition rather than from pure motives, thinking to cause me distress in my imprisonment.”So how does Paul respond to these two types of preachers? In 1:18a, he closes with some astonishing words: “What then? Only that in every way, whether in pretense or in truth, Christ is proclaimed; and in this I rejoice.” Paul can exude this attitude because he is consumed with the gospel. Ultimately, he is not concerned with his own reputation, ministry, or happiness. Rather, Paul wants the success of the gospel he longs for it to advance. Philippians 1:21 is Paul’s life motto. It’s his abbreviated Personal Missions Statement. Paul continues his life/death motif in 1:22-24. For Paul, the two alternatives are whether he should continue his work in time or see Jesus in eternity. If Paul continues to live in the flesh he writes that it will mean “fruitful labor.”Notice that in Paul’s mind there is only one reason to live in the flesh and that is for further ministry. In spite of Paul’s godly lust for his heavenly home, he states in 1:24 that “to remain on in the flesh is more necessary for your sake.”The word “necessary”speaks of Paul’s need to be alive so that he can minister to others. God still has more work for Paul to accomplish in the lives of the Philippian believers. They need Paul more than he needs to go to heaven at this time in his life. Paul is willing to temporarily forestall his desire to go home to be with Christ in order to fulfill their need. The principle here is that as long as you are alive on earth God has a purpose for your being here. Therefore, you must ask, “Why does God have me here on earth?”The only reason Paul longed to stay behind is for the purpose of ministry. In 2 Corinthians 10-12, Paul has just distinguished himself and his colleagues from those who are so bold as to compare themselves with themselves. Paul reluctantly plays the fool by comparing himself ) with the false apostles. The basis for Paul’s comparison in this third leg of the contest is that of servanthood and suffering. Paul gives his readers a most impressive list of his sufferings for the sake of the gospel. The sufferings and sacrifices Paul enumerates in 2 Corinthians 11 encompasses the whole spectrum of suffering and hardship. Paul includes hard work (labors), at least two forms of beating, imprisonments, dangerous situations, exposure to the elements, and deprivations (of food, shelter, sleep). In addition to these afflictions of the body, there are the mental and spiritual burdens he bears for the saints. He personally identifies with the weaknesses and sins of the saints who are in all the churches. The sufferings Paul enumerates are those every Christian should expect, although we may experience them to a lesser degree. Paul tells those to whom he preaches the gospel that suffering is a part of the Christian life, and that they should expect it. Suffering is not an nomaly; it is something every Christian should expect.

      • KCI등재
      • 양산팔경 선정에 관한 연구

        심상도(Shim, Sang Do) 한국문화관광학회 2002 문화관광연구 Vol.4 No.1

        Prior to the 21st century's unlimited competitions among the tourism industries, the city council of Yangsan city choose the most famous places to lead the tourists into the town. The project is called as "The 8 beautiful place in Yangsan city". The council turned the regions into the tourism region (or associated tourism). It aims for producing and developing souvenirs which will represent town's characteristic. It might contribute people to induce as many tourists as possible. The main purpose of the selection of these tourist attractions is to make Yangsan city as the capital tourism city out of all Eastern Kyoung-nam province. It also helps increasing the tourism revenue to the target and enhancing locals' patriotism. Yangsan city planning and management official has a complete charge of selecting numbers of tourist attractions. Then they have referred to the academic world. cultural related offices, experts and the opinion the locals to decide the final decisions. They went through the fair-process of deciding the best sites. It's also considered as a role case of democratic procedure through accepting the theoretical image. The list of “The 8 beautiful place in Yangsan city" is below. 1. Tongdosa Temple in Mt. Yeongchuksan 2. Mt. Cheonseongsan 3. Naeweonsa Valley 4. Hongryong Fall 5. Baenaegol Valley 6. Mt. Cheontaesan 7. Imgyeongdae on Mt. Obongsan 8. Tapgol Resort Forest in Mt. Daeun

      • Rhodium 촉매를 사용한 오르토-페일렌디아민과 지방족알데히드로부터 치환벤즈이미다졸 유도체의 합성

        沈相喆 慶北大學校 1984 論文集 Vol.37 No.-

        o-Phenylenediamine reacts with aliphatic aldehydes in the presence of a catalytic amount of a rhodium complex, [RhCl(NBD)]_2 in ethyl alcohol solution at 180℃ for 4 hr to give 1-alkyl-and 1,2-dialky-substituted benzimidazoles in good yields. Thus, 1-methyl-, 1-ethyl-2-methyl-, 1-propyl-2-ethyl-, 1-butyl-2-propyl, 1-pentyl-2-butylbenzimidazole derivatives are readily obtained from o-phenylendiamine and methanal, ethanal, propanal, butanal, or pentanal respectively.

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