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- 저자 : 김형석(Kim Hyeong seok) (검색결과 297 건)
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김형석,김원길,최유정,김정훈,최재욱,Kim, Hyeong Seok,Kim, Won Kil,Choi, Yu Jung,Kim, Jung-Hun,Choi, Jae-Wook 한국안전학회 2018 한국안전학회지 Vol.33 No.2
This study was conducted to assess the hazards of gasoline in relevance to the changes in octane numbers, and gasoline's spontaneous ignition temperature and instantaneous ignition temperature were measured. Spontaneous ignition temperature of regular gasoline was $301^{\circ}C$ for sample quantity of $100{\sim}125{\mu}{\ell}$. Spontaneous ignition temperature of middle gasoline was $380^{\circ}C$ for sample quantity of $125{\mu}{\ell}$ and that of premium gasoline was $400^{\circ}C$. As gasoline's octane numbers increased, their spontaneous ignition temperatures increased, and their instantaneous ignition temperature were almost identically $499^{\circ}C$ for sample quantity of $125{\mu}{\ell}$. In addition, activation energies of regular gasoline, middle gasoline, and premium gasoline were 10.48 Kcal/mol, 16.89 Kcal/mol, and 24.55 Kcal/mol respectively.
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김형석,강상철,정지열,김현섭,김대용,김재훈,Kim, Hyeong-Seok,Kang, Sang-Chul,Jung, Ji-YouI,Kim, Hyun-Sup,Kim, Dae-Yong,Kim, Jae-Hoon 대한수의학회 2008 大韓獸醫學會誌 Vol.48 No.3
A two-year-old mixed breed sow was requested to the Veterinary Pathology Laboratory of Cheju National University with a clinical signs of severe abdominal pain and sudden death. Grossly, there was severe hemorrhage in abdominal cavity. Most of internal parenchymas and subcutaneous muscle showed severe pale discoloration. Both ovaries were enlarged with oval to round protruding multilobular masses and dark red in color. And they were firm and contained multiple small cysts in their cut surface. Histopathologically, numerous neoplastic granulosa cells had spherical-to-oval, hyperchromatic nuclei and scant eosinophilic cytoplasms were distributed with follicular pattern in ovarian masses. And the typical Call-Exner bodies, distinctive microcavityies, were observed in the center of small neoplastic follicles. Based on the gross and histopathologic findings, this case was diagnosed as granulosa cell tumor. In our best knowledge, this is believed to be the first report of granulosa cell tumor in a sow in Korea.
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Studio Class를 활용한 교육 방법에 대한 사례 연구
김형석,박준석,안달,김선형,Kim Hyeong-Seok,Park Jun-Seok,Ahn Dal,Kim Sun-Hyung 한국공학교육학회 2000 공학교육연구 Vol.3 No.1
In this paper, we are trying to explain an education method using the studio class where a lecturer can teach the theoretical approach for goals of theme, simulation for the theoretical results by using commercial CAD tools, and experiments for the simulation and design results. In order to apply the education skill using studio class to electrical engineering field efficiently, the theoretical approach, simulation procedure, and experiments should be coincided with each other. In this paper, the design procedure of low pass filter for undergraduate and graduate is chosen as an example of studio class In order to show the validity of the proposed education method. By considering the example, the efficiency of the method will be discussed. 본 연구에서는 하나의 주제에 대한 교육 충실도를 높이기 위해 해석적인 수식전개에 바탕을 둔 이론 강의, 상용 소프트웨어를 이용한 수치 시뮬레이션, 그리고 계산 결과를 기초로 얻어진 설계 모델들에 대하여 제작과 실험을 통해 얻어진 결과를 수치계산 결과와 비교 검토의 세가지 접근 방법을 병행할 수 있는 장소를 일컫는 studio class를 활용한 교육방법에 대하여 전자공학교육 분야의 사례연구를 통해 설명하고자 한다. 초고주파 수동소자의 하나인 저역통과여파기에 대해 studio class 개념의 교육과정을 학부생 및 대학원생에게 적용한 결과를 하나의 사례로 들어 국내의 교육환경에 적합한 studio class 교수법에 대한 효과와 학생들의 전문지식 습득에 대한 이해도의 효율성에 대하여 고찰하고자 한다.
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김형석(Kim, Hyeong-seok) 한국양명학회 2016 陽明學 Vol.0 No.45
이 글의 목적은 노장사상이 현대 사회에 어떠한 의의를 가질 수 있는지, 어떠한 역할을 할 수 있는지 모색해보기 위한 작업의 일환으로, 한국 근현대를 살았던 함석헌의 사상에 대하여 특히 그의 노장관을 중심으로 고찰하는데 있다. 이를 위해 먼저 함석헌의 철학적 기반으로서 종교적 다원주의 및 씨알사상을 검토하였고, 이러한 철학적 기반 위에서 함석헌 노장이해의 특징을 ‘自治의 이념’ ‘비폭력 평화주의’ ‘씨알사상에 근거한 역사철학’이라는 세 측면으로 분석하였다. 선행연구를 통해 밝혀진 함석헌 노장관의 가장 큰 의의는 현실의 국가주의와 제국주의에 맞서며 비폭력평화주의를 주장하고 있다는 점이다. 본 고에서는 이러한 선행연구를 기반으로, 노장사상과 맞닿아 있으며 동시에 그의 씨알사상, 기독교사상과도 연결되어 있는 ‘하수구’라는 독특한 개념을 중심으로 함석헌이 제시하는 세계사적인 비젼의 내용과 의미를 고찰하였다. Ham Seok-heon (13 March 1901~4 February 1989) was a civil rights activist committed to human rights and non-violence during the period of Japanese colonial rule, Soviet military government, and Korean military dictatorship. His commitment to human rights, democracy, non-violence, and pacifism earned him the name, ‘the Gandhi of Korea,’ and the Religious Society of Friends (Quaker) nominated him for the Nobel Peace Prize in 1979 and 1985. Ham was also a Korean liberal thinker who tried to combine Christianity with various Eastern philosophical perspectives in order to find Korea’s spiritual identity and produce new values. He considered Japanese imperialism and Korean dictatorship as a product of modern totalitarianism, and he found and developed important ideas to overcome totalitarianism and keep pacifism among East Asian thoughts, especially in Taoism, although his ideological foundation was Christianity. This paper mainly analyzes this point with a focus on Ham’s idea of ‘Sewer’. In his view of Korean history, Ham uniquely interpreted the historical experiences and mission of Korean people, referring to Korea as the ‘Sewer’ of World History. The idea of ‘Sewer’ can be construed as a ‘Place’ in Ham’s thought and teleological view of history, in that it refers to a convergence of Korean past historical-cultural experiences and future ideals, and in a way, it means the ultimate goal, salvation of humanity, throughout history. To illuminate this idea, above all, I investigate Ham’s distinctive concept of Ssial (seed grains), which means ‘the people’ as the historical subject, who keep fundamental life in themselves like seed grains. Ham also matched it with some concepts of ‘weakness’ ‘humbleness’ ‘benevolence’ in Laozi. Ham believed only suffering people can sympathize with other people’s suffering, and that is why God gave the Korean people lots of adversities in their history, as a ‘Sewer’ of World History. Therefore, ‘weak’ and ‘humble’ Korean people, groaned under despotism and totalitarianism, could carry their cross, ‘love’ other people, and so achieve world peace in the truest sense. Ham was also an inspiration to many various anti-authoritarianism or pro-democracy movements in Korea, in terms of suggesting various approaches including ecology, syncretism, liberation theology, and so on.
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