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열연 후단용 Ni Grain Roll 의 열피로 성질에 미치는 조직학적 인자의 영향
김인태,김태우,최진원,김동규 ( In Tae Kim,Tae Woo Kim,Jin Won Choi,Dong Gyu Kim ) 한국주조공학회 1996 한국주조공학회지 Vol.16 No.1
N/A The effects of structural constituent on the thermal fatigue properties of Ni grain roll material applicated to finishing work roll for hot strip mill has been investigated. Graphite area ratio varies with the depth from roll surface in the range of 4-7.5%. The morphology of crystallized graphite showed particle shape at surface of roll and changed to coarse flake with increasing depth from roll surface. Thermal fatigue resistance was impaired with increasing graphite area ratio, due rather to the notch effect of graphite resulting in the strength of matrix being reduced, than to thermal stress developed showing little differences with graphite area ratio and morphology in the case of severe heating and cooling conditions.
심경부주(心經附註)의 사상(思想)과 이제마(李濟馬) 사상(思想)과의 비교
김인태,이의주,고병희,Kim, In-tae,Lee, Eui-ju,Koh, Byung-Hee 사상체질의학회 1997 사상체질의학회지 Vol.9 No.2
심경부주(心經附註)의 고찰(考察)과 심경부주(心經附註)에서 나타나고 있는 사상(思想)과 이제마(李濟馬)의 사상(思想)과의 비교에서 다음과 같은 결론을 얻었다. 1. 모든 사람의 마음에는 두 가지의 마음이 존재한다. 이는 심경(心經)에서는 인심(人心)과 도심(道心)으로, 이제마(李濟馬)는 군자지심(君子之心)과 소인지심(小人之心)으로 표현하였다. 2. 심경부주(心經附註)에서는 인심(人心)과 도심(道心)은 성인(聖人)과 중인(衆人)을 구별시키는 중요한 요점이 되는데 성인(聖人)의 경우는 이 두 마음을 잘 분별하여 도심(道心)으로 인심(人心)이 인욕(人欲)에 빠지는 것을 경계하는 사람이라 하였다. 이제마(李濟馬)의 경우에서는 군자지심(君子之心)은 역지(易知)이고 소인지심(小人之心)은 난지(難知)라 하고 군자지심(君子之心)이 많은 사람은 군자(君子)이고 소인지심(小人之心)이 많은 사람은 소인(小人)이 된다고 하였다. 3. 이러한 군자(君子)의 경지에 오르기 위해 심경(心經)과 이제마(李濟馬)는 여러 가지 수행 방법을 제시하는데 공통적으로 계신공구(戒愼恐懼)를 말하고 심경(心經)에서는 이러한 계신공구(戒愼恐懼)를 위해서는 경(敬)이 가장 우선이 된다고 하고, 이제마(李濟馬)는 여인상접지성(與人相接之性)과 자기독득지성(自己獨得之性)을 들어서 절불절(節不節), 중불중(中不中)과 지인(知人), 지천(知天)을 말하고 있다. 4. 계신공구(戒愼恐懼)를 통하여 성의(誠意)를 이루고 이것으로 정심(正心)을 하는 것을 심경(心經)은 말하는데 이제마(李濟馬)는 지인(知人)을 통한 치심정기(治心正己)를 말하고 있다. 5. 맹자(孟子)의 사단(四端)은 성(性)을 이루는 중요한 마음의 단초가 되니 확충(擴充)을 해나가야 하는 것이 된다. 이제마(李濟馬)는 격치고(格致藁)에서 이러한 사단(四端)의 사심신물(事心身物)로 분화된 모습을 말하고 이를 동의수세보원(東醫壽世保元)에서는 천인성명(天人性命)으로 표현을 하면서 각각의 심욕(心欲)과 각각의 선(善)한 부분을 말하고 있다. By the investigation of "Sim-Kyoung-Bu-Ju" and the comparison study between the thought of "Sim-Kyoung-Bu-Ju" and that of Lee Je-ma, I've got the following conclusion. 1. All man have two mind. That is explained that "In-Sim" and "Do-Sim" in the "Sim-Kyong-Bu-Ju", "Kun-Ja-Ji-Sim" and "So-In-Ji-Sim" in the Lee Je-ma. 2. says that "In-Sim" and "Do-Sim" are the important point of the distinguishment of the "Sung-In" from "Jung-In". The "Sung-In" is the man who distinguishes "In-Sim" from "Do-Sim" well, and he always is cautious for "In-Sim"s" falling in desire by the "Do-Sim". In the case of LeeJe-ma,"Kun-Ja-Ji-Sim" is easy to know and "So-In-Ji-Sim" is hard to know. The man of "Kun-Ja-Ji-Sim" being large part is "Kun-Ja" and the man of "So-In-Ji-Sim" being large part is "So-In". 3. To reach the state of the "Kun-Ja", the "Sim-Kyoung-Bu-Ju" and Lee Je-ma present the variant training methods, "Kei-Shin-Kong-Ku" which they have in common. The "Sin-Kyoung-Bu-Ju" presents the "Kyung" firstly for "Kei-Shin-Kong-Ku", Lee Je-ma presents the "Yo-In-Sang-Jep-Ji-Sung" and "Ja-Ki-Tok-Tuk-Ji-Sung" for "Jel-Bu-Jel", "Jung-Bu-Jung", "Ji-In", "Ji-Chen". 4. The "Sim-Kyoung-Bu-Ju" says that establish the "Sung-Ui" by the "Kei-Shin-Kong-Ku", and to "Jung-Sim" by the "Sung-Ui", Lee Je-ma says "Chi-Sim-Jung-Ki" by "Ji-In".
김인태,김두용,Kim, In-Tae,Kim, Doo-Yong 한국반도체디스플레이기술학회 2008 반도체디스플레이기술학회지 Vol.7 No.1
Wireless sensor networks are emerging as a solution for a wide range of data gathering applications. The most difficult challenge for the design of sensor nodes is the need for significant reductions in energy consumption. The threshold methods which filter redundant and similar data can be used to save energy. In this paper, we propose the adaptive threshold method to effectively manage the energy in wireless sensor nodes. In the adaptive threshold method, wireless sensor nodes can change the thresholds dynamically as the sensing environments vary. The simulation results show that the adaptive threshold method works very effectively even when we experience the significant volatility in the data. This scheme can be used in order to monitor the malfunction in the equipment of semiconductor manufacturing line.
Nd:YAG 레이저 후낭절개술 후 발생한 황반원공 1예
김인태,노영정,In Tae Kim,Young Jung Roh 대한안과학회 2008 대한안과학회지 Vol.49 No.4
Purpose: To report a case of a macular hole resulting from accidental Nd:YAG laser capsulotomy for cataract, which was treated by vitrectomy. Case summary: A 70-year-old man had decreased visual acuity one day after Nd:YAG laser capsulotomy. By fundus exam, vitreous and macular hemorrhages were observed. After 11 days, intravitreal gas injection was performed, and 3 months later, a macular hole has developed. Pars plana vitrectomy, internal limiting membrane peeling, and gas tamponade were performed, and anatomical occlusion was achieved and maintained for 6 months postoperatively. However, final visual acuity improvement was limited up to 0.08. Conclusions: We experienced an unusual case of macular hole formation from Nd:YAG capsulotomy. Vitrectomy was performed but visual acuity improvement remained limited.
VKH 증후군과 유사한 양안 다발성 장액성 망막박리를 보인 양측성 부신 림프종
김인태,박혜영,노영정,In Tae Kim,Hae Young Park,Young Jung Roh 대한안과학회 2008 대한안과학회지 Vol.49 No.7
Purpose: To report a case of bilateral adrenal gland lymphoma mimicking symptoms of Vogt-Koyanagi- Harada syndrome. Case summary: A 57-year-old woman complained of decreased visual acuity and metamorphopsia in both eyes. She had no prior medical history, but had experienced headaches in the past week. Fundus examination revealed multiple serous retinal detachment. Fluorescein angiography of the fundus revealed multiple pinpoint leaks in early stages and subretinal dye pooling in the retinal detachment area in late stages. The most likely diagnosis was therefore Vogt-Koyanagi-Harada syndrome. Two days later, mild fever developed and a systemic evaluation was performed. Computed tomography of chest and abdomen showed bilateral adrenal gland T-cell lymphoma. Through prompt combination chemotherapy, the patient’s systemic condition recovered, and her fundus recovered with improved visual acuity. Conclusions: We experienced a rare case of bilateral adrenal lymphoma which masqueraded as Vogt-Koyanagi- Harada syndrome. When there are systemic symptoms such as mild fever and headaches, systemic evaluation should be done so as not to miss more serious systemic pathology. J Korean Ophthalmol Soc 49(7):1198-1202, 2008