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CONTINUOUS ARCHWIRE의 FORCE SYSTEM에 대한 3차원 유한 요소법적 연구
노 준(Joon Row), 유영규(Young-Kyu Ryu) 대한치과교정학회 The Korean Journal of Orthodontics 16 Pages
대한치과교정학회 The Korean Journal of Orthodontics 1996, 제 26권 제 1호 2 17-32 (16 pages)
3 dimensional elastic beam이 continuous arch의 형태와 유사한 점에 착안하여 continuous arch의 force system을 분석하고자 하였으며, 이를 위해 다양한 형상을 갖는 3개의 bracket geometry를 표본형상으로 설정하고 기울기, 변위 및 interbracket distance에 따른 힘과 moment의 변화양상을 분석하고, 저자가 임의로 제작한 불규칙한 치아배열을 갖는 3차원 모형을 일례로하여 0.016NiTi archwire를 bracket내에 삽입했을 때 발생되는 초기 힘과 moment를 분석 비교해본 결과 다음과 같은 결론을 얻었다. 1. Bracket의 변위 또는... -
The association of Hsp90 expression induced by aspirin with anti-stress damage in chicken myocardial cells
Xiao-hui Zhang, Huai-sen Zhu, Zhuang Qian, Shu Tang, Di Wu, Nicole Kemper, Joerg Hartung, En-dong Bao 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 1호 5 35-44 (10 pages)
The protective effect of aspirin during exposure to heat stress in broiler chickens was investigated. We assayed pathological damage, expression and distribution of Hsp90 protein and hsp90 mRNA expression in chicken heart tissues after oral administration of aspirin following exposure to high temperature for varying times. Heat stress induced increases in plasma aspartate aminotransferase, creatine kinase and lactate dehydrogenase activities while causing severe heart damage, which was... -
상악견치 후방견인시 저항원 조절을 위한 MAS(Molar Anchoring Spring)의 초기 응력분포에 관한 광탄성학적 연구
전윤식(Youn-Sic Chun) 대한치과교정학회 The Korean Journal of Orthodontics 8 Pages
대한치과교정학회 The Korean Journal of Orthodontics 1996, 제 26권 제 4호 2 341-348 (8 pages)
저자는 마찰견인법으로 상악견치 후방견인시 저항원상실을 최소화하기 위해 근심경사된 구치를 적립시키는 Molar Uprighting Spring의 작용기전을 응용하고 마찰견인법의 장점을 이용하여 임상적으로 사용이 용이하며 저항원상실이나 견치의 조절되지 못한 경사이동(uncontrolled tipping)등의 부작용을 최소화 할 수 있는 장치인 Molar Anchoring Spring(MAS)을 고안하였다. MAS를 임상에 적용한 결과 비교적 만족스러운 결과를 얻어 이에 장치를 소개하며 MAS의 저항원 조절능력과 견치의 이동양상을 평가하기 위하여 광탄성 모형을... -
Combined Skin Moisturization of Liposomal Serine Incorporated in Hydrogels Prepared with Carbopol ETD 2020, Rhesperse RM 100 and Hyaluronic Acid
HyeongminKim, JieunRo, SoniaBarua, DeukSunHwang, Seon-JeongNa, HoSungLee, JiHoonJeong, SeulkiWoo, HyewonKim, BomiHong, GyiaeYun, Joong-Hark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.6 9 543-547 (5 pages)
the optimum base for skin moisturization based on the area under the moisture content change-time curves (AUMCC) values used as a parameter for the water hold capacity of the skin. Liposomal serine prepared by a reverse-phase evaporation method was then incorporated in the hydrogel. The liposomal serine-incorporated hydrogel (serine level=1%) showed an approximately 1.62∼1.77 times greater moisturizing effect on the skin than those of hydrogel, hydrogel with serine (1%), and hydrogel with blank... -
Control Efficacy of Bacillus velezensis AFB2-2 against Potato Late Blight Caused by Phytophthora infestans in Organic Potato Cultivation
Min Jeong Kim, Chang Ki Shim, Jong-Ho Park 한국식물병리학회 The Plant Pathology Journal 16 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 6호 8 580-595 (16 pages)
Although late blight is an important disease in eco- friendly potato cultivation in Korea, it is highly depen- dent on the use of eco-friendly agricultural materials and the development of biological control technology is low. It is a necessary to develop an effective biocontrol agent to inactivate late blight in the field. AFB2-2 strain is a gram-positive with peritrichous flagella. It can uti- lize 20 types of carbon sources, like L-arabinose, and D- trehalose at 35°C. The optimal growth... -
Biogenic Volatile Compounds for Plant Disease Diagnosis and Health Improvement
Rouhallah Sharifi, Choong-Min Ryu 한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2018, 34권 6호 1 459-469 (11 pages)
Plants and microorganisms (microbes) use information from chemicals such as volatile compounds to understand their environments. Proficiency in sensing and responding to these infochemicals increases an organism’s ecological competence and ability to survive in competitive environments, particularly with regard to plant-pathogen interactions. Plants and microbes acquired the ability to sense and respond to biogenic volatiles during their evolutionary history. However, these signals can only be... -
Characterization of Sclerotinia sclerotiorum, an Emerging Fungal Pathogen Causing Blight in Hyacinth Bean (Lablab purpureus)
Ananya Prova, Abdul Mannan Akanda, Shaikhul Islam, Md. Motaher Hossain 한국식물병리학회 The Plant Pathology Journal 14 Pages
한국식물병리학회 The Plant Pathology Journal 2018, 34권 5호 3 367-380 (14 pages)
and pods reproduced the symptoms previously observed in the field. The three isolates obtained from naturally infected plants were cross inoculated in hyacinth bean, okra and African-American marigold and they were pathogenic to these hosts. The optimum temperature and pH for its growth were 20°C and pH 5.0, respectively. Sclerotial development was favored at pH 5.0. Sucrose and mannitol were the best carbon sources to support hyphal growth, while glucose was the most favourable for sclerotial... -
Control of Basal Stem Rot Disease in Oil Palm by Supplementation of Calcium, Copper, and Salicylic Acid
한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 5호 3 396-406 (11 pages)
Continuous supplementation of mineral nutrients and salicylic acid (SA) as foliar application could improve efficacy in controlling basal stem rot (BSR) disease in oil palm seedling. It is revealed from the results that the highest disease severity index (58.3%) was recorded in T8 treatments at 9 months after inoculation. The best disease control was achieved by T7 treatments (calcium/copper/SA [Ca/Cu/SA]) (5.0%) followed by T1 (5.5%), T5 (5.8%), T3 (8.3%), T6 (8.3%), T4 (13.3%), and T2 (15.8%)... -
Genetics of Fusarium Wilt Resistance in Pigeonpea (Cajanus cajan) and Efficacy of Associated SSR Markers
한국식물병리학회 The Plant Pathology Journal 7 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 2호 3 95-101 (7 pages)
Inheritance of resistance to Fusarium wilt (FW) disease caused by Fusarium udum was investigated in pigeonpea using four different long duration FW resistant genotypes viz., BDN-2004-1, BDN-2001-9, BWR-133 and IPA-234. Based on the F2 segregation pattern, FW resistance has been reported to be governed by one dominant gene in BDN-2004-1 and BDN-2001-9, two duplicate dominant genes in BWR-133 and two dominant complimentary genes in resistance source IPA-234. Further, the efficacy of six simple... -
3-Methylthiopropionic Acid of Rhizoctonia solani AG-3 and Its Role in the Pathogenicity of the Fungus
한국식물병리학회 The Plant Pathology Journal 10 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 2호 2 85-94 (10 pages)
a completely randomized design with five treatments and five replications. The treatments were 0, 1, 2, 4, and 8 mM concentrations of MTPA. The purified toxin exhibited maximal activity at pH 2.5 and 30°C. MTPA at 1, 2, 4, and 8 mM levels reduced plant height, chlorophyll content, haulm fresh weight, number of stolons, canopy development, and tuber weight of potato plants, as compared to the control. MTPA significantly affected mycelial growth with 8 mM causing the highest infection. The... -
Effects of Interrupted Wetness Periods on Conidial Germination, Germ Tube Elongation and Infection Periods of Botryosphaeria dothidea Causing Apple White Rot
한국식물병리학회 The Plant Pathology Journal 7 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 1호 1 1-7 (7 pages)
hr of wetting and elongated to 157 μm after 10 hr of continuous wetting. On the other hand, interruption of wetting by a dry period of 1 hr or longer after the 5 hr of initial wetting arrested the germ tube elongation at approximately 42 μm long. Prolonged rewetting up to 40 hr did not restore germ tube elongation on slide glasses under substrate treatments. Model simulation using weather data sets revealed that ending infection periods by a dry period of at least 1 hr decreased... -
Bacillus oryzicola sp. nov., an Endophytic Bacterium Isolated from the Roots of Rice with Antimicrobial, Plant Growth Promoting, and Systemic Resistance Inducing Activities in Rice
한국식물병리학회 The Plant Pathology Journal 13 Pages
한국식물병리학회 The Plant Pathology Journal 2015, 31권 2호 7 152-164 (13 pages)
Biological control of major rice diseases has been attempted in several rice-growing countries in Asia during the last few decades and its application using antagonistic bacteria has proved to be somewhat successful for controlling various fungal diseases in field trials. Two novel endophytic Bacillus species, designated strains YC7007 and YC7010, with anti-microbial, plant growth-promoting, and systemic resistance-inducing activities were isolated from the roots of rice in paddy fields at... -
Evidence for Genetic Similarity of Vegetative Compatibility Groupings in Sclerotinia homoeocarpa
한국식물병리학회 The Plant Pathology Journal 13 Pages
한국식물병리학회 The Plant Pathology Journal 2014, 30권 4호 6 384-396 (13 pages)
Vegetative compatibility groups (VCGs) are determined for many fungi to test for the ability of fungal isolates to undergo heterokaryon formation. In several fungal plant pathogens, isolates belonging to a VCG have been shown to share significantly higher genetic similarity than those of different VCGs. In this study we sought to examine the relationship between VCG and genetic similarity of an important cool season turfgrass pathogen, Sclerotinia homoeocarpa. Twenty-two S. homoeocarpa isolates... -
Ag을 담지한 알루미나 촉매 상에서 CH4을 이용한 NO의 선택적 촉매 환원
하은아, 이서희, 이창용 한국열환경공학회 열환경공학 8 Pages
한국열환경공학회 열환경공학 2016, 제 13권 2호 2 9-16 (8 pages)
화력 발전소, 화학 플랜트, 산업용 보일러 등의 고정 오염원과 자동차, 선박 등의 이동 오염원으로부터 배출되는 질소산화물은 심각 한 대기오염을 유발하는 오염물질 중의 하나 이다. 질소산화물은 인체에 매우 유해할 뿐 아니라 태양광과 작용하여 광화학적 스모그를 일으키므로 질소산화물을 제거하는 것은 매우 중요하다.[1] 고정원으로부터 배출되는 질소산 화물을 저감하는 기술로는 배연가스재순환 (flue gas recirculation), 저농도 NOx버너 (low-NOx burner), 선택적 촉매 환원(selective catalytic reduction), 선택적 무촉매... -
A STUDY OF TRANSCENDENCE OF YOUNG CHILDREN DURING PLAY UNDER TEACHER-CHILD RELATIONSHIP
Dr.Anyamanee Boonsue 환태평양유아교육연구학회 Pacific Early Childhood Education Research Association Annual Conference 17 Pages
환태평양유아교육연구학회 Pacific Early Childhood Education Research Association Annual Conference 14th 11 432-448 (17 pages)
The purpose of this qualitative research study, based on the grounded theory research design, was to derive the indicators of transcendence from the key informant children between the ages of 4-6 years during authentic play in a natural setting self-initiated by the subjects. The environment was in a school context involving both outdoor and indoor play using Gordon Wells’ Modes of Meaning as a research methodology. Another goal was to find out what kinds of play patterns lead children to... -
Paternal Participation in School Activities in a University Laboratory Preschool in the Philippines
Carolyn Victoria Uy Ronquillo, Maria Perlita E. de Leon 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 21 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2014, Vol.8 No.3 4 59-79 (21 pages)
This research was conducted at a progressive laboratory preschool of a national university in the Philippines. It examined paternal participation through the fathers’ attendance in seven school-wide events and an in-depth interview. It aimed to set apart school activities which, fathers prefer / less prefer to attend and identified variables that influence paternal participation. From the pool of 134 fathers who participated in the study, those with high and low attendance were identified and... -
Synthesis and physicochemical characterization of NixZnx- FeO₂O₄/MWCNT nanostructures as enzyme mimetics with peroxidase-like catalytic activity
Navvabeh Salarizadeh, Minoo Sadri, Hassan Hosseini, Reza. H. Sajedi 한국탄소학회 Carbon Letters 8 Pages
한국탄소학회 Carbon Letters 2017, Vol.24 14 103-110 (8 pages)
nanocatalysts showed nearly similar physicochemical properties, but the Ni0.5Zn0.5Fe2O4/MWCNT nanocatalyst was more appropriate than the Ni0.25Zn0.25Fe2O4/MWCNT nanocatalyst in terms of the magnetic properties and catalytic activity. The optimum peroxidase-like activity of the nanocatalysts was obtained at pH 3.0. The Ni0.5Zn0.5Fe2O4/MWCNT nanocatalyst exhibited a good peroxidase-like activity. These magnetic nanocatalysts can be suitable candidates for future enzyme-based applications such as... -
Synthesize multi-walled carbon nanotubes via catalytic chemical vapour deposition method on Fe-Ni bimetallic catalyst supported on kaolin
Aliyu A, Abdulkareem AS, Kovo AS, Abubakre OK, Tijani JO, Kariim I 한국탄소학회 Carbon Letters 18 Pages
한국탄소학회 Carbon Letters 2017, Vol.21 5 33-50 (18 pages)
In this study, Fe-Ni bimetallic catalyst supported on kaolin is prepared by a wet impregnation method. The effects of mass of kaolin support, pre-calcination time, pre-calcination temperature and stirring speed on catalyst yields are examined. Then, the optimal supported Fe-Ni catalyst is utilised to produce multi-walled carbon nanotubes (MWCNTs) using catalytic chemical vapour deposition (CCVD) method. The catalysts and MWCNTs prepared using the optimal conditions are characterized using high... -
Effects of cross-linking methods for polyethylene-based carbon fibers: review
Kwan-Woo Kim, Hye-Min Lee, Jeong-Hun An, Byoung-Suhk Kim, Byung-Gak Min, Shin-Jae Kang, Kay-Hyeok An, Byung-Joo Kim 한국탄소학회 Carbon Letters 24 Pages
한국탄소학회 Carbon Letters 2015, Vol.16 No.3 2 147-170 (24 pages)
In recent decades, there has been an increasing interest in the use of carbon fiber reinforced plastic (CFRP) in aerospace, renewable energy and other industries, due to its low weight and relatively good mechanical properties compared with traditional metals. However, due to the high cost of petroleum-based precursors and their associated processing costs, CF remains a specialty product and as such has been limited to use in high-end aerospace, sporting goods, automotive, and specialist... -
Influence of hot-pressing pressure on the densification of short-carbon-fiber-reinforced, randomly oriented carbon/carbon composite
Thakur Sudesh Kumar Raunija and Sharad Chandra Sharma 한국탄소학회 Carbon Letters 9 Pages
한국탄소학회 Carbon Letters 2015, Vol.16 No.1 4 25-33 (9 pages)
The prime objective of this research was to study the influence of hot-pressing pressure and matrix-to-reinforcement ratio on the densification of short-carbon-fiber-reinforced, randomly oriented carbon/carbon-composite. Secondary objectives included determination of the physical and mechanical properties of the resulting composite. The ‘hybrid carbon-fiberreinforced mesophase-pitch-derived carbon-matrix’ composite was fabricated by hot pressing. During hot pressing, pressure was varied from 5... -
Hierarchical porous carbon nanofibers via electrospinning
Aikifa Raza, Jiaqi Wang, Shan Yang, Yang Si, Bin Ding 한국탄소학회 Carbon Letters 14 Pages
한국탄소학회 Carbon Letters 2014, Vol.15 No.1 1 1-14 (14 pages)
reinforced plastics and bone tissue scaffold. Unlike catalytic synthesis and other methods, electrospinning of various polymeric precursors followed by stabilization and carbonization has become a straightforward and convenient way to fabricate continuous CNFs. This paper is a comprehensive and brief review on the latest advances made in the development of electrospun CNFs with major focus on the promising applications accomplished by appropriately regulating the microstructural, mechanical, and... -
도시지역의 강우유출수 특성 분석을 통한 적정모니터링 횟수 도출
최지연, 나은혜, 김홍태, 김진선, 김용석, 이재관 한국습지학회 한국습지학회지 8 Pages
한국습지학회 한국습지학회지 2017, Vol.19 No.4 16 515-522 (8 pages)
본 연구는 도시지역의 토지이용별 비점오염물질의 유출특성을 파악하고 적정 모니터링 횟수를 도출하고자 연구를 수 행하였다. 연구 조사지점은 도시지역 중 주거지역(13지점), 상업지역(8지점), 교통지역(9지점), 공업지역(11지점)으로 선정하였으며 지점에 따라 2008년부터 2016년까지 모니터링이 수행되었으며 총 632회의 강우사상에 대한 모니터링 결과를 분석하였다. 분석결과, 상업지역의 경우 다른 토지이용에 비해 높은 유출률과 고농도의 오염물질이 유출되기에 다른 토지이용보다 비점오염원 관리시 우선적으로 관리가 필요한... -
반포화 순환 여과식 인공습지에 의한 도로 강우유출수의 실증처리 연구
박기수, 김영철 한국습지학회 한국습지학회지 12 Pages
한국습지학회 한국습지학회지 2017, Vol.19 No.3 1 259-270 (12 pages)
본 연구는 실증규모의 반포화 순환식 인공습지에서 도로 강우유출수를 처리하여 습지의 성능분석, LID 기능 및 다른 LID-BMP 시설과의 처리효율을 비교하였다. 강우시 모니터링을 바탕으로 연구대상 습지의 저감효율을 산정한 결과 TSS 저감효율은 평균 92%, COD, TN, TP는 각각 평균 63%, 36%, 75%로 분석되었으며 다른 시설과 직접적인 비교 는 불가능하지만 SA/CA 비율에 따른 오염물질 저감효율을 분석한 결과 연구대상 시설의 SA/CA 비율이 낮았음에도 불구하고 유사한 수준의 효율을 보였다. 또한, 전체 강우유출수의 18%만을... -
교육훈련 효과 및 효율성 측정을 위한 실용적 접근법 : 교육훈련평가의 활용 증진을 위하여
배을규 한국성인교육학회 Andragogy Today 39 Pages
한국성인교육학회 Andragogy Today 2003, Vol.6 No.2 5 109-147 (39 pages)
교 육훈련시스템의 지속적 질관리(continuous quality management)를위한자료를제공해야 한다. 이를 위하여 상세화된 평가기준과 평가영역을 반영하여 교육훈련전개의 3단계, 즉 교육전 (prior to the training event), 교육중(during the training event), 교육후(after the training event)에 기초한 실용적인 평가 접근법을 모색하였다. 본 연구에서 제시된 평가접근법이 조직내에서 실효성을 거두기 위해서는 교육훈련평가 시 다음과 같은 점들이 고려되어야 한다. 첫째, 평가담당자들은 조직의 책임있는 관리자들 의 지원(support)과...
