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김병철 일념 1994 교수아카데미총서 Vol.7 No.1
글을 시작하기 전에 우선 과거 우리 문학이 서양문학을 어떻게 愛容하여 그것을 자기 문학의 영양소로 삼았는가 하는 것을 밝힌 다음, 이러한 역사적 관점에 초점을 두고 세계 속에서 우리 문학이 한 지점을 차지하려면 앞으로 어떻게 하면 될까 하는 그 가능성에 관하여 내 나름대로의 생각을 開陳해 볼까 한다. 그래서 우리 문학에 있어서 세계 문학의 愛容의 문제와 그 轉信태도를 밝히려는 데에다 중점을 둔, 즉 변증과 귀납을 주종으로 하는 방법론을 세운 것이다. 따라서 이 글에서는 과거에 있어서의 세계 문학의 수용 가운데서 특히 우리 조상들이 관심을 두고 수용하여 그 자양소를 우리 문학에 移植시킨 중요한 문학사적 사건들을 일단 고찰해 보기로 하겠다. Heavy reliance of the Internet and worldwide connectivity has greatly increased the potential damage that can be inflicted by attacks launched over the telecommunication network. It is not easy to prevent such attacks by the use of simple security policies, firewalls, or other mechanisms because system and application software always contains unknown weakness or bugs. This paper reviews the current network attack and intrusion detection methodologies to present the requirements for network security systems. And this paper suggests a measure for effectivity of the security systems.
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김병철,주동인 朝鮮大學校 機械技術硏究所 2002 機械技術硏究 Vol.5 No.1
The real chip and similarity model were used to investigate the thermal behavior and velocity distribution of air from the heat source with the location and the amount of heat experimentally and numerically, and compared. The heat generated in the block is not cooled by convection and show the high temperature by the stagnation of heat flow. After maintaining the high temperature of block by the natural convection, the sudden drop of temperature with the air flow was shown in the channel but the decreasing rate was small with the time. The inward block was effected by infinitesimal air flow generated between block and channel and outward block was effected by the entry condition.
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말라리아의 신속진단 : 임상양상 및 혈액도말검사와 항원검사의 비교
김병철,김태형,박노진 순천향대학교 순천향의학연구소 2009 Journal of Soonchunhyang Medical Science Vol.15 No.2
Background : Malarial infestation intermediated by Anopheles mosquito is one of the most prevalent parasitic diseases over the world and many people are infected by malarial plasmodium each year. The rapid diagnosis is needed to properly treat the malaria because plasmodium falciparum has a high mortality rate. Currently, we usually use a microscopic examination of blood smears for diagnosis of malaria and it has a high sensitivity and specificity. However, the result might depend on physician in change and this method needs much time for diagnosis of malaria. Methods : We evaluated 206 patients who were suspicious of malaria. We perforemed a microscopic examination of blood smears and antigen detection test. We investigated clinical symtoms such as fever pattern, thrombocytopenia, anemia and diagnosised as malaria who was positive in blood smears. After this we tried to follow up the patients. Results : As a result of a microscopic examination of blood smears and antigen detection test for 206 patients who were suspicious of malaria, 15 was diagnosed with malaria infestation and all of them showed a positive response to malarial antigen test . There were six patients who showed a positive reaction to antigen test, but negative results in blood smears. Malarial patients showed anemia, leukopenia or thrombocytopenia and revealed the symtom of splenomegaly, headache and abdominal pain. Conclusions : Malarial antigen test has a good relationship with a microscopic examination of blood smears and a high sensitivity and specificity. Because the result could be false positive or false negative, it might be helpful to perform antibody test together.
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Model Test of Floating Wind Turbine
김병철,최광일,신현경,송진섭,임채환,정태영 대한조선학회 2012 대한조선학회 학술대회자료집 Vol.2012 No.5
As environmental pollution and energy shortage have been serious all over the world, governments and organizations have been interested in developing renewable energies which do not release pollutants. Interest in wind energy of those has been higher and developed more than others. Because of insufficient space to install wind turbines on land, however, we have considered to install those on the ocean which doesn't worry about space and, by extension, on deep sea which wind turbines could receive more strong wind on. Under these circumstances, research and development of floating wind turbines have been in progress. Especially, NREL designed 5MW floating wind turbine which called as OC3-Hywind system. In this study, we designed three New OC3-Hywind systems which could have better motions by changing the shape of platform of OC3-Hywind system by NREL and confirmed the motions through model test. Depending on positions of a damper which can change center of buoyancy, we named those three models M1, M2 and M3.
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김병철 일념 1993 교수아카데미총서 Vol.6 No.-
문학도 예술의 한 분야임에는 틀림이 없으나 여기서는 문학과 그밖의 여러 예술과의 관계를 고찰해 보고자 한다, 문학과 미술 및 음악과의 관계는 고도로 다양하고도 복잡하다. 시는 회화니 조각이니 음악이니 하는 것으로부터 영감을 얻을 때가 있다. 자연물이나 인물들처럼 다른 예술작품도 시의 주제가 될 수 있다. 일례를 듣자면 말라르메의 「半獸神의 오후」는 런던의 국립미술관에 있는 부쉐 Boucher의 그림에서 영감을 얻었다고 한다. 이와는 반대로 분명히 문학이 희화나 음악의, 특히 성악과 표제음악의 주제로 될 수도 있다. Constituent structures of 1/2 or 1/4 parts of dielectric resonators (DRs) reflected in the metallic mirrors were studied. The structures were studied by electrodynamics in order to optimize constituent devices. By the controlling of air slot between parts of DRs and mirrors (which were waveguide walls), it is possible to change a central frequency of the constituent structure or its attenuation frequency characteristic. Experimentally examined resonant devices show a high quality factor and allow to fast change of their resonant frequency (up to 20-25%). Based on these concepts, bandpass and bandstop frequency tuned filters were realized. Electronic adjustment of studied devices is possible as well, if the air slot of constituent resonant structure is shunted by the PIN diode.
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구와 수직면이 충돌할 때 유막의 영향에 관한 실험적 연구
김병철,김기형,홍석주 조선대학교 동력자원연구소 1995 動力資源硏究所誌 Vol.17 No.1
Oil film can not only reduce the error in the course of manufacturing process but also soften the sliding contact so it can increase the efficiency of machine. Then in many case of cold rolling there are impacts and the oil film influence on the structure of the surface. In the case of being oil film and not being oil film the surface with direct contact, it was flated by impact and the other was sinusoidal by the oil film of dynamic pressure, when the oil film is broken by the impact the metal begin to contact and when the viscosity is thick it was hard to break.
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