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Axisymmetric Simulation of Nonpremixed Counterflow Flames - Effects of Global Strain Rate on Flame Structure -
박외철, Park. Woe-Chul 한국가스학회 한국가스학회지 6 Pages
한국가스학회 한국가스학회지 2004, Vol.8 No.2 42-47 (6 pages)
변형률이 대향류 화염의 구조에 미치는 영향을 조사하기 위해, 무중력상태에서의 축대칭 메탄-공기 대향류화염의 시뮬레이션을 수행하였다. 질소와 메탄의 혼합물인 연료 중 메탄의 몰분율 Xm= 20, 50, $80\%$와 각 몰분율당 변형률 ag= 20, 60, 90 $s^{-1}$에 대한 화염형태와 온도 및 축방항 속도의 분포를 비교하였다. 온도와 축방항 속도 분포가 1차원 화염코드인 OPPDIF의 결과와 잘 일치하였다. 또 축대칭 시물레이션을 통해, 변형률이 증가하면 화염이 반경방향으로 늘어나 화염의 반경은 증가하고 두께가 감소함을 확인하였다. -
Axisymmetric Simulation of Nonpremixed Counterflow Flames - Effects of Fuel Concentration on Flame Structure -
박외철, Park. Woe-Chul 한국가스학회 한국가스학회지 7 Pages
한국가스학회 한국가스학회지 2003, Vol.7 No.3 44-50 (7 pages)
연료농도에 따른 대향류 화염구조의 변화를 조사하고 수치법을 검증하기 위해, 축대칭 메탄-공기 대향류화염을 모사하였다. 변형률 $a_g=20,;60,;90;s^{-1}$과 연료 중 메탄의 몰분율 $x_m=20,;50,;80\%$를 수치매개변수로 하여, 변형율과 연료농도에 따라 온도분포, 닥트 중심축의 온도분포와 축방향 속도의 분포를 계산하였다. 축대칭 모사는 혼합분율 연소모델을 채용한 FDS로 수행하였고, 계산결과를 구체적 화학반응을 포함한 1차원 화염코드 OPPDIF의 계산결과와 비교하였다. 본 연구에서 조사한 모든 변형율과 연료농도에서 축대칭... -
An experimental study on the performance optimization of a radiant burner with a surface flame structure
Cho. Seung-Wan, Kim. Young-Soo, Jeon. Chung-Hwan, Chang. Young-June 대한기계학회 Journal of mechanical science and technology 7 Pages
대한기계학회 Journal of mechanical science and technology 2010, Vol.24 No.4 923-929 (7 pages)
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Experimental Study on Flame Structure and Temperature Characteristics in a Lean Premixed Model Gas Turbine Combustor
Lee. Jong Ho, Jeon. Chung Hwan, Chang. Young June, Park. Chul Woong, Hahn. Jae Won 대한기계학회 Journal of mechanical science and technology 12 Pages
대한기계학회 Journal of mechanical science and technology 2005, Vol.19 No.6 1366-1377 (12 pages)
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Carbon nanotubes synthesis using diffusion and premixed flame methods: a review
Garima Mittal, Vivek Dhand, Kyong Yop Rhee, Hyeon-Ju Kim and Dong Ho Jung 한국탄소학회 Carbon Letters 10 Pages
한국탄소학회 Carbon Letters 2015, Vol.16 No.1 1 1-10 (10 pages)
an energyefficient, scalable, cost-effective, rapid and continuous process, where flame provides the necessary chemical species for the nucleation of carbon structures (feed stock or precursor) and the energy for the production of carbon nanostructures. The production yield can be optimized by altering various parameters such as fuel profile, equivalence ratio, catalyst chemistry and structure, burner configuration and residence time. In the present report, diffusion and premixed flame synthesis... -
Numerical simulation of structure and no formation of turbulent lean-premixed flames in gas turbine conditions
Kang. Sung-Mo, Kim. Yong-Mo, Lee. Kwan-Soo 대한기계학회 Journal of mechanical science and technology 12 Pages
대한기계학회 Journal of mechanical science and technology 2009, Vol.23 No.12 3424-3435 (12 pages)
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Effects of chelated Zn/Cu/Mn on redox status, immune responses and hoof health in lactating Holstein cows
Xue-Jun Zhao, Zhong-Peng Li, Jun-Hong Wang, Xiang-Ming Xing, Zhen-Yong Wang, Lin Wang, Zhong-Hua Wang 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 4호 7 439-446 (8 pages)
To evaluate the effects of chelated Zn/Cu/Mn on redox status, immune responses and hoof health in lactating Holstein cows, 48 head in early lactation were divided into healthy or lame groups according to their gait score. Cows were fed the same amount of Zn/Cu/Mn as sulfate salts or in chelated forms for 180 days, and foot-and-mouth disease (FMD) vaccine was injected at day 90. The results showed that lame cows had lower antioxidant function, serum Zn/Mn levels, hair Cu levels, and hoof... -
Protection of chickens against infectious bronchitis virus with a multivalent DNA vaccine and boosting with an inactivated vaccine
Fang Yan*, Yujun Zhao, Yongting Hu, Jianyang Qiu, Wenxin Lei, Wenhui Ji, Xuying Li, Qian Wu, Xiumin Shi, Zhong Li 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 1호 8 53-60 (8 pages)
The protective efficacy of DNA plasmids encoding avian infectious bronchitis virus (IBV) S1, N, or M protein was investigated in chickens. Chickens were inoculated monovalently (with plasmid pVAX1-16S1, pVAX1-16M, or pVAX1-16N alone) or multivalently (combination of the three different plasmids, pVAX1-16S1/M/N). A prime-boost immunization protocol against IBV was developed. Chickens were immunized with the multivalent DNA vaccine twice and then boosted with an inactivated vaccine once. Antibody... -
Efficacy of nano-hydroxyapatite prepared by an aqueous solution combustion technique in healing bone defects of goat
Samit Kumar Nandi, Biswanath Kundu*, Samir Kumar Ghosh, Dipak Kumar De, Debabrata Basu 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 2호 9 183-192 (10 pages)
The present study was undertaken to evaluate porous hydroxyapatite (HAp), the powder of which was prepared by a novel aqueous solution combustion technique, as a bone substitute in healing bone defects in vivo, as assessed by radiologic and histopathologic methods, oxytetracycline labeling, and angiogenic features in Bengal goat. Bone defects were created in the diaphysis of the radius and either not filled (group I) or filled with a HAp strut (group II). The radiologic study in group II showed... -
Modern Methods for Analysis of Antiepileptic Drugs in the Biological Fluids for Pharmacokinetics, Bioequivalence and Therapeutic Drug Monitoring
JuseopKang, Yoo-SinPark, Shin-HeeKim, Sang-HyunKim, Min-YoungJun 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 16 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.2 1 67-82 (16 pages)
Epilepsy is a chronic disease occurring in approximately 1.0% of the world's population. About 30% of the epileptic patients treated with availably antiepileptic drugs (AEDs) continue to have seizures and are considered therapy-resistant or refractory patients. The ultimate goal for the use of AEDs is complete cessation of seizures without side effects. Because of a narrow therapeutic index of AEDs, a complete understanding of its clinical pharmacokinetics is essential for understanding of the... -
Mechanisms of Selective Antimicrobial Activity of Gaegurin 4
HeejeongKim, ByeongJaeLee, MunHanLee, SeongGeunHong, PanDongRyu 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2009, Vol.13 No.1 7 39-48 (10 pages)
Gaegurin 4 (GGN4), an antimicrobial peptide isolated from a Korean frog, is five times more potent against Gram-positive than Gram-negative bacteria, but has little hemolytic activity. To understand the mechanism of such cell selectivity, we examined GGN4-induced K＋ efflux from target cells, and membrane conductances in planar lipid bilayers. The K＋ efflux from Gram-positive M. luteus (2.5</SUP>Ռg/ml) was faster and larger than that from Gram-negative E. coli (75Ռg/ml), while... -
어느 精神科醫師가 꾼 다섯 개의 꿈
朴泰源, 趙斗英 대한신경정신의학회 신경정신의학 17 Pages
대한신경정신의학회 신경정신의학 1995, 제 34권 제 2호 25 593-609 (17 pages)
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소금 섭취량을 달리한 정상 및 고혈압쥐에서 Atrial Natriuretic Peptide가 혈압, Renin-Aldosterone 및 신배설에 미치는 영향
전제량(Juhn, Jae-Ryang), 이원정(Lee, Won-Jung), 박재식(Park, Jae-Sik), 주영은(Choo, Young-Eun) 대한생리학회 대한생리학회지 12 Pages
대한생리학회 대한생리학회지 1990, 제 24권 제 2호 7 319-330 (12 pages)
장기적으로 소금 섭취량을 달리 한 정상 및 고혈압쥐에서 atrial natriurectic peptide (ANP) 가 혈압, renin-aldosterone 및 신배설에 미치는 효과를 비교하였다. 생후 6주된 spontaneously hyper-tensive rate (SHR)와 Wistar 숫쥐를 각각 저염, 정상염 및 고염 (2, 10, 25 mmol NaCl/100g diet) 군으로 나누어 실험 식이를 6주동안 먹었다. 실험 당일 아침에 쥐를 ether로 마취시킨 상태에서 대퇴 동맥과 정맥 및 방광에 catheter를 삽입한 다음에 쥐를 restraining cage에 넣어 고정시켰다. 마취가 깨고 혈압이 안정된 후에... -
장기간 고염 섭취한 SHR 고혈압 쥐에서, 급성 혈장량 증가에 대한 Atrial Natriuretic Peptide, Aldosterone 및 Renin 분비 반응의 비교
김애라(Kim, Ae-Ra), 이원정(Lee, Won-Jung), 주영은(Choo, Young-Eun), 김선희(Kim, Suhn-Hee), 조경우(Cho, Kyung-Woo) 대한생리학회 대한생리학회지 10 Pages
대한생리학회 대한생리학회지 1989, 제 23권 제 2호 3 253-262 (10 pages)
장기적으로 소금량을 다르게 섭취시킴에 따라서, 체내의 Na 대사에 관여하는 호르몬인 aldosterone, atrial natriuretic peptide (ANP) 및 renin 분비와 신장의 배설 반응에 나타나는 변화를 정상 혈압쥐 Wistar와 spontaneously hypertensive rat (SHR)에서 비교하고자 실험하였다. 생후 7주의 숫쥐인 Wistar와 SHR에게 저염과 고염 식이 (각각 2, 25 mmol Na/100 g diet)를 6주간 먹였다. 그 후 ether 마취하에서 대퇴 동맥과 정맥 및 방광에 관을 삽입한 후, restraining cage에 넣었다. 수술회복 후 안정시 뇨와 혈액을 채취한 후,... -
급성 일측 수뇨관 폐쇄후 상대신의 Li+처리에 관한 연구
성호경(Sung, Ho-Kyung), 엄융의(Earm, Yung-E) 대한생리학회 대한생리학회지 12 Pages
대한생리학회 대한생리학회지 1982, 제 16권 제 2호 8 165-176 (12 pages)
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Evaluation of Streptomyces saraciticas as Soil Amendments for Controlling Soil-Borne Plant Pathogens
Pei-Hsuan Wu, Tung-Tsuan Tsay, Peichen Chen 한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 6호 9 596-606 (11 pages)
Soil-borne diseases are the major problems in mono cropping. A mixture (designated LTM-m) composed of agricultural wastes and a beneficial microorganism Streptomyces saraceticus SS31 was used as soil amendments to evaluate its efficacy for managing Rhizoctonia solani and root knot nematode (Meloidogyne incognita). In vitro antagonistic assays revealed that SS31 spore suspensions and culture broths effectively suppressed the growth of R. solani, reduced nematode egg hatching, and increased... -
Profiling of Disease-Related Metabolites in Grapevine Internode Tissues Infected with Agrobacterium vitis
한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 6호 1 489-499 (11 pages)
Green shoot cuttings of 10 different grapevine species were inoculated with Agrobacterium vitis to find disease-related metabolites in the grapevine. Crown galls formed 60 days after inoculation varied in gall severity (GS) evaluated by gall incidence (GI) and gall diameter (GD), which were classified into three response types as RR (low GI and small GD), SR (high GI and small GD), and SS (high GI and large GD), corresponding to resistant, moderately resistant, and susceptible responses,... -
Effects of Heavy Metal Contamination from an Abandoned Mine on Tomato Growth and Root-knot Nematode Development
한국식물병리학회 The Plant Pathology Journal 6 Pages
한국식물병리학회 The Plant Pathology Journal 2011, 27권 3호 8 266-271 (6 pages)
Physicochemical characteristics and heavy metal content of soils located along the drainage way of an abandoned mine at Busan, Korea (35o31`N, 129o22`E) (contaminated soil; CS) and uncontaminated soils (50- 70 m apart from the drainage way) (NS) were examined. Growth of tomato plants (Solanum lycopersicom cv. Rutgers) in CS and NS, development of the root-knot nematode (Meloidogyne incognita) as root-knot gall formation on tomato plants, and non-parasitic nematode populations in soil were also... -
MAKE PHOTOS INTO ANIMATION -STUDY ON STOP-MOTION TEACHING OF ART IN HIGH SCHOOL
Chi-Hui Huang 한국조형교육학회 한국조형교육학회 학술대회지 6 Pages
한국조형교육학회 한국조형교육학회 학술대회지 국제 18 127-132 (6 pages)
The rapid emergence of digital technology has gradually changed the way of human resource development, and integrating technology into teaching has become the current education trend. The combination of technology and humanity can provide more diversified possibilities for education and art creation. In order to improve students’ digital software operating ability and develop diversified visual experience intelligence, the study carried out the creation course of stop-motion animation. This... -
초등학교 신규 교사의 소진에 관한 연구
하요상 공주교육대학교 초등교육연구원 교육논총 16 Pages
공주교육대학교 초등교육연구원 교육논총 53권4호 18 1-16 (16 pages)
신규 교사들이 현장에 나가서 부딪치게 되는 많은 상황들은 그들에게 불유쾌한 정서적 반 응, 분노, 불만, 의기소침, 짜증, 우울, 불안, 긴장 등의 부적응적 상태를 유발시키는데 이러한 상태가 지속되면 교사들은 소진에 이르게 될 가능성이 높아진다. 소진은 정서적 고갈과 타인에 대한 비난과 미움, 비인간화 현상을 겪게 되며 저성취로 이어지는 현상으로 학교라는 조직에서 교사들이 갖고 있는 그 중요성을 생각해 볼 때 매우 시급하게 개입되어 예방되거나 치유되어야 하는 상태이다. 이에 본 연구에서는 소진이란 무엇이며 어떤... -
Melting Characteristics of Simulated Non-combustible Radioactive Wastes in a Plasma Torch Melter System
Seung-Chul Park, Hyun-Je Cho, Cheon-Woo Kim 한국열환경공학회 열환경공학 7 Pages
한국열환경공학회 열환경공학 2011, 제 8권 3호 7 53-59 (7 pages)
To reduce the volume of the low- and intermediate-level radioactive wastes and to improve the radionuclide confinement after disposal of the slag product, a 500kW-grade DC plasma torch melter system was developed by the KHNP-CRI(Korea Hydro & Nuclear Power Co., LTD Central Research Institute). Main equipment of the system consists of a dual mode plasma torch, a water cooling refractory melter, an waste feeder, a slag tapping equipment, etc. Especially, the high-technology of a dual mode... -
열분해 촉매로서의 천연 벤토나이트 개질 방법이 LDPE 열분해 오일의 생성속도와 비점분포에 미치는 영향
김성수, 박성열, 김진걸 한국열환경공학회 열환경공학 9 Pages
한국열환경공학회 열환경공학 2013, 제 10권 2호 1 1-9 (9 pages)
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A Choice of Nightmares: The Fisher King and the Horror in Heart of Darkness and Apocalypse Now
Youngkul Kim 이화여자대학교 교과교육연구소 Eastwest Education 46 Pages
이화여자대학교 교과교육연구소 Eastwest Education 2006, Vol.23 2 13-58 (46 pages)
This study investigates Joseph Conrad's Heart of Darkness and its film adaptation, Francis Ford Coppola’s Apocalypse Now, by examining the character of the Fisher King, a common figure at the beginning of human society who was later incorporated into romance literature, especially in the quest for the Holy Grail in the Arthurian legend. A superior warrior of godlike proportions, he leads his people to health and prosperity; as Fisher King, however, he becomes sick, and that sickness is... -
가족건강성과 청소년의 위기정도의 관련성에 대한 연구
안귀여루 한국심리치료학회 한국심리치료학회지 13 Pages
한국심리치료학회 한국심리치료학회지 2009, Vol.1 No.2 5 91-103 (13 pages)
청소년기는 개인의 일생 중 어느 때보다도 가장 격동적이고 불안정하며 이후의 생의 방향을 결정하는 중대한 시기라고 할 수 있다. 본 연구는 이 시기에 가족의 건강성이 청소년이 경험하는 위기와 어떤 관련이 있는지를 알아보고자 하였다. 먼저 청소년들이 개인적 변인들이 이들의 위기 정도와 갖는 관련성을 알아보기 위해 청소년들의 개인적 변인들 중, 성별, 학년, 성적, 가족사항, 사회경제적 계층과 위기 정도와의 관련성을 분석하였는데 유의한 관련이 있는 것은 성별과 성적뿐이었다. 성별과 성적의 경우에도 청소년의 위기... -
Towards Unity amidst Diversity in Early Childhood Education: Report and Reflection on the 10th PECERA International Conference
Betty Chan, Grace Choy 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 26 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2010, Vol.4 No.2 1 3-28 (26 pages)
Early childhood education professionals in the Asian Pacific regions are facing various diversities, including economic and social diversities, cultural diversities, diversities in religious beliefs or value systems, and diversities in early childhood teacher education and school administration. Despite the different areas of diversities, they are united with one goal, that is, providing quality education for the benefit of children that meet their developmental needs. The Chinese concept of... -
Carbon nanospheres synthesized via solution combustion method: their application as an anode material and catalyst for hydrogen production
Vivek Dhand, M Venkateswer Rao, J. S. Prasad, Garima Mittal, Kyong Yop Rhee, Hyeon Ju Kim, Dong Ho Jung 한국탄소학회 Carbon Letters 5 Pages
한국탄소학회 Carbon Letters 2014, Vol.15 No.3 7 198-202 (5 pages)
Amorphous agglomerates of carbon nanospheres (CNS) with a diameter range of 10-50 nm were synthesized using the solution combustion method. High-resolution transmission electron microscopy (HRTEM) revealed a densely packed high surface area of SP2-hybridized carbon; however, there were no crystalline structural components, as can be seen from the scanning electron microscopy, HRTEM, X-ray diffraction, Raman spectroscopy, and thermal gravimetric analyses. Electrochemical and thermo catalytic... -
Carbon nanotubes–properties and applications
Khalid Saeed Ibrahim 한국탄소학회 Carbon Letters 14 Pages
한국탄소학회 Carbon Letters 2013, Vol.14 No.3 1 131-144 (14 pages)
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Recent Advances in Carbon-Nanotube-Based Epoxy Composites
Fan-LongJin, Soo-JinPark 한국탄소학회 Carbon Letters 13 Pages
한국탄소학회 Carbon Letters 2013, Vol.14 No.1 1 1-13 (13 pages)
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Carbon Doping of TiO2 for Visible Light Photo Catalysis - A review
K. Palanivelu, Ji Sun Im, Young-Seak Lee 한국탄소학회 Carbon Letters 11 Pages
한국탄소학회 Carbon Letters 2007, Vol.8 No.3 6 214-224 (11 pages)
