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- 한국통신학회논문지. THE JOURNAL OF KOREA INFORMATION AND COMMUNICATIONS SOCIETY. 무선통신(2)
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- 한국통신학회논문지. THE JOURNAL OF KOREA INFORMATION AND COMMUNICATIONS SOCIETY. 통신이론 및 시스템(1)
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Dynamic Spectrum Access기반 국방통신기술
김창주, Kim. Chang-Ju 한국통신학회 정보와 통신 : 한국통신학회지 10 Pages
한국통신학회 정보와 통신 : 한국통신학회지 2012, Vol.30 No.1 67-76 (10 pages)
본고에서는 jamming 이나 은폐 등으로 인하여 통신 채널이 동적으로 변화하는 전장환경에서 dynamic spectrum access(DSA) 기술을 토대로 보다 안정된 통신을 하는 기술을 알아본다. DSA 통신의 핵심기술을 설명하고, 미국의 DARPA에서 수행한 neXt Generation(XG) 프로젝트와 Wireless Network after Next(WNaN) 국방통신 프로젝트를 소개한 후에 결론에서 시사점을 다룬다. -
A Generalized Markovian Based Framework for Dynamic Spectrum Access in Cognitive Radios
Muthumeenakshi. K., Radha. S. 한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 22 Pages
한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 2014, Vol.8 No.5 1532-1553 (22 pages)
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A Dynamic QoS Model for improving the throughput of Wideband Spectrum Sharing in Cognitive Radio Networks
Manivannan. K., Ravichandran. C.G., Durai. B. Sakthi Karthi 한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 20 Pages
한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 2014, Vol.8 No.11 3731-3750 (20 pages)
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Note : Open Access ; Arabidopsis PYL8 Plays an Important Role for ABA Signaling and Drought Stress Responses
한국식물병리학회 The Plant Pathology Journal 6 Pages
한국식물병리학회 The Plant Pathology Journal 2013, 29권 4호 16 471-476 (6 pages)
Plants are frequently exposed to numerous environmental stresses such as dehydration and high salinity, and have developed elaborate mechanisms to counteract the deleterious effects of stress. The phytohormone abscisic acid (ABA) plays a critical role as an integrator of plant responses to water-limited condition to activate ABA signal transduction pathway. Although perception of ABA has been suggested to be important, the function of each ABA receptor remains elusive in dehydration condition.... -
A Novel Definition of Spectrum Holes for Improved Spectrum Utilization Efficiency
Li. Xiaoqiang, Zhou. Qi, Dai. Hui, Zhang. Jie, Li. Ying 한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 13 Pages
한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 2014, Vol.8 No.3 749-761 (13 pages)
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A Survey on Spectrum Sharing in Cognitive Radio Networks
Xu. Tangwen, Li. Zhenshuang, Ge. Jianhua, Ding. Haiyang 한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 24 Pages
한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 2014, Vol.8 No.11 3751-3774 (24 pages)
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On the Performance of Cooperative Spectrum Sensing of Cognitive Radio Networks in AWGN and Rayleigh Fading Environments
Saad. Wasan Kadhim, Ismail. Mahamod, Nordin. Rosdiadee, El-Saleh. Ayman A. 한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 16 Pages
한국인터넷정보학회 KSII Transactions on internet and information systems : TIIS 2013, Vol.7 No.8 1754-1769 (16 pages)
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Non-invasive quantification of hepatic fat content in healthy dogs by using proton magnetic resonance spectroscopy and dual gradient echo magnetic resonance imaging
Francesca Del Chicca, Andrea Schwarz, Dieter Meier, Paula Grest, Annette Liesegang, Patrick R. Kircher 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 4호 14 570-576 (7 pages)
The objective of the present study was to describe two non-invasive methods for fat quantification in normal canine liver by using magnetic resonance imaging (MRI) and spectroscopy. Eleven adult beagle dogs were anesthetized and underwent magnetic resonance examination of the cranial abdomen by performing morphologic, modified Dixon (mDixon) dual gradient echo sequence, and proton magnetic resonance spectroscopy (1H MRS) imaging. In addition, ultrasonographic liver examination was performed,... -
Identification of determinants that mediate binding between Tembusu virus and the cellular receptor heat shock protein A9
Dongmin Zhao, Qingtao Liu, Xinmei Huang, Huili Wang, Kaikai Han, Jing Yang, Keran Bi, Yuzhuo Liu, Lijiao Zhang, Yin Li 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 4호 8 528-535 (8 pages)
Heat shock protein A9 (HSPA9), a member of the heat shock protein family, is a putative receptor for Tembusu virus (TMUV). By using Western blot and co-immunoprecipitation assays, E protein domains I and II were identified as the functional domains that facilitate HSPA9 binding. Twenty-five overlapping peptides covering domain I and domain II sequences were synthesized and analyzed by using an HSPA9 binding assay. Two peptides showed the capability of binding to HSPA9. Dot blot assay of... -
Dembo polymerase chain reaction technique for detection of bovine abortion, diarrhea, and respiratory disease complex infectious agents in potential vectors and reservoirs
Sayed Samim Rahpaya, Shinobu Tsuchiaka, Mai Kishimoto, Mami Oba, Yukie Katayama, Yuka Nunomura, Saki Kokawa, Takashi Kimura, Atsushi Kob 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 3호 4 350-357 (8 pages)
Bovine abortion, diarrhea, and respiratory disease complexes, caused by infectious agents, result in high and significant economic losses for the cattle industry. These pathogens are likely transmitted by various vectors and reservoirs including insects, birds, and rodents. However, experimental data supporting this possibility are scarce. We collected 117 samples and screened them for 44 bovine abortive, diarrheal, and respiratory disease complex pathogens by using Dembo polymerase chain... -
Comparative proteomic analysis of proteins expression changes in the mammary tissue of cows infected with Escherichia coli mastitis
Xiao-wei Zhao, Yong-xin Yang, Dong-wei Huang, Guang-long Cheng, Hui-ling Zhao 대한수의학회 Journal of Veterinary Science 11 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 3호 2 253-263 (11 pages)
Cows infected with Escherichia (E.) coli usually experience severe clinical symptoms, including damage to mammary tissues, reduced milk yield, and altered milk composition. In order to investigate the host response to E. coli infection and discover novel markers for mastitis treatment, mammary tissue samples were collected from healthy cows and bovines with naturally occurring severe E. coli mastitis. Changes of mammary tissue proteins were examined using two-dimensional gel... -
Sporozoite proteome analysis of Cryptosporidium parvum by one-dimensional SDS-PAGE and liquid chromatography tandem mass spectrometry
AMAM Zonaed Siddiki* 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 2호 1 107-114 (8 pages)
Despite the development of new technologies, new challenges still remain for large scale proteomic profiling when dealing with complex biological mixtures. Fractionation prior to liquid chromatography tandem mass spectrometry (LC-MS/MS) analysis is usually the preferred method to reduce the complexity of any biological sample. In this study, a gel LC-MS/MS approach was used to explore the stage specific proteome of Cryptosporidium (C.) parvum. To accomplish this, the sporozoite protein of C.... -
Biological Rhythm in Livestock
Piccione Giuseppe and Caola Giovanni 대한수의학회 Journal of Veterinary Science 13 Pages
대한수의학회 Journal of Veterinary Science 2002, 제 3권 제 3호 1 145-157 (13 pages)
The animal time structure is a basic fact of life, no matter if one wants to study it or not. The time-dependent, mostly rhythmic, and thus to a certain degree predictable, variations of biochemical and physiological functions and of sensitivity and resistance to many environmental agents are often quite large and offer not only new insight into animal physiology and pathology but also diagnostic possibilities and therapeutic advantages. Chronobiology, chronophysiology and its subspecialities,... -
Time-dependent proteomic and genomic alterations in Toll-like receptor-4-activated human chondrocytes: increased expression of lamin A/C and annexins
SeungHeeHa, HyoungKyuKim, NguyenThiTuyetAnh, NariKim, KyungSooKo, ByoungDooRhee, JinHan 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 16 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.5 8 531-546 (16 pages)
Activation of Toll-like receptor-4 (TLR-4) in articular chondrocytes increases the catabolic compartment and leads to matrix degradation during the development of osteoarthritis. In this study, we determined the proteomic and genomic alterations in human chondrocytes during lipopolysaccharide (LPS)-induced inflammation to elucidate the underlying mechanisms and consequences of TLR-4 activation. Human chondrocytes were cultured with LPS for 12, 24,and 36 h to induce TLR-4 activation. The... -
A Novel Nicotinamide Adenine Dinucleotide Correction Method for Mitochondrial Ca2+ Measurement with FURA-2-FF in Single Permeabilized Ventricular Myocytes of Rat
JeongHoonLee, JeongMiHa, ChaeHunLeem 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.4 10 373-382 (10 pages)
Fura-2 analogs are ratiometric fluoroprobes that are widely used for the quantitative measurement of [Ca2+]. However, the dye usage is intrinsically limited, as the dyes require ultraviolet (UV) excitation, which can also generate great interference, mainly from nicotinamide adenine dinucleotide (NADH) autofluorescence. Specifically, this limitation causes serious problems for the quantitative measurement of mitochondrial [Ca2+], as no available ratiometric dyes are excited in the visible range.... -
FSL-1, a Toll-like Receptor 2/6 Agonist, Induces Expression of Interleukin-1α in the Presence of 27-hydroxycholesterol
WeonHeo, Sun-MiKim, Seong-KugEo, Byung-YongRhim, KoanhoiKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.6 5 475-480 (6 pages)
We investigated the question of whether cholesterol catabolite can influence expression of inflammatory cytokines via Toll-like receptors (TLR) in monocytic cells. Treatment of THP-1 monocytic cells with 27-hydroxycholesterol (27OHChol) resulted in induction of gene transcription of TLR6 and elevated level of cell surface TLR6. Addition of FSL-1, a TLR6 agonist, to 27OHChol-treated cells resulted in transcription of the IL-1α gene and enhanced secretion of the corresponding gene product.... -
Long-term Synaptic Plasticity: Circuit Perturbation and Stabilization
JooMinPark, Sung-CherlJung, Su-YongEun 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 4 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.6 2 457-460 (4 pages)
At central synapses, activity-dependent synaptic plasticity has a crucial role in information pro-cessing, storage, learning, and memory under both physiological and pathological conditions. One widely accepted model of learning mechanism and information processing in the brain is Hebbian Plasticity: long-term potentiation (LTP) and long-term depression (LTD). LTP and LTD are respectively activity-dependent enhancement and reduction in the efficacy of the synapses, which are rapid and... -
Attenuated Sympathetic Activity and Its Relation to Obesity in MSG Injected and Sympathectomized Rats
So-YoungPark, , Yong-WoonKim, Jin-MyoungDan, Jong-YeonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2007, Vol.11 No.4 4 155-161 (7 pages)
In order to characterize the role of sympathetic activity in obesity, we repeatedly assessed sympathetic activity via power spectral analyses of heart rate variability in the same subjects at 7, 11, 25, and 60 weeks, using monosodium glutamate (MSG)-induced obese and control rats. The effects of lower sympathetic activity on obesity were also evaluated. Fat mass in MSG rats was already higher at 7 weeks, but the sympathetic activity did not differ between 7 and 25 weeks. Between 25 and 60 weeks,... -
Electroencephalographic Correlation Dimension Changes with Depth of Halothane
MaanGeeLee, EunJuPark, JungMeeChoi, MoonHanYoon 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.5 5 491-499 (9 pages)
This study was designed to evaluate the efficacy of dynamic parameters, such as correlation dimension D2, by comparing spectral electroencephalographic (EEG) parameters. These parameters are used to estimate the depth of halothane anesthesia as defined by the presence of body movement in response to a tail clamp. Six rats were used and each of them was exposed to halothane sequentially at the concentrations of 0%, 0.5%, 1.0% and 1.5% for 30 min. A tail clamp was applied every five min and the... -
자아초월적 배경에서 본 의식의 기본구조와 심우송
정성덕, Luke C Kim 대한신경정신의학회 신경정신의학 17 Pages
대한신경정신의학회 신경정신의학 2000, 제 39권 제 2호 7 334-350 (17 pages)
development)：두 가지 기본양상(Two fundamental patterns)과 발달의 스펙트럼(The Spectrum of development)을 참고로 택하였다. 방법은 이들 논문을 가지고 문헌중심으 로 상호비교 검토하는 문헌해석학적 방법을 택하였다. 결 과： 심우송의 열 가지 구절과 의식의 기본구조들의 각 발달단계를 상호 비교 검토해 본 결과는 다음과 같다. 첫째 구절, 소를 찾아 나서는 심우의 노래는 생리적 감각수준의 의식에 해당되고, 둘째 구절, 소발자국을 찾은 견적의 노래는 공상적 감정수준의 의식, 셋째 구절, 소를 찾아낸 견우의 노래는... -
Spatial and Temporal Genetic Diversity and Population Structure of Hemileia vastatrix from Peruvian Coffee Plantations
Cinthia Quispe-Apaza, Roberto Mansilla-Samaniego 한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 3호 7 280-290 (11 pages)
Population genetic studies of Hemileia vastatrix have been conducted in order to describe the evolutionary dynamics of the pathogen and the disease epidemiology as consequence of changes in disease management and host distribution occurred in Peru after the 2013 epi- demic. These analyses were performed by sequencing the internal transcribed spacers of the nuclear ribosom- al DNA (rDNA-ITS) of H. vastatrix collected from two coffee growing areas in 2014 and 2018. H. vastatrix pop- ulation showed... -
Potential of Using Ginger Essential Oils-Based Nanotechnology to Control Tropical Plant Diseases
Adamu Abdullahi, Khairulmazmi Ahmad, Intan Safinar Ismail, Norhayu Asib, Osumanu Haruna Ahmed, Abubakar Ismaila Abubakar, Yasmeen Siddiqui, Mohd Razi Ismail 한국식물병리학회 The Plant Pathology Journal 21 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 6호 1 515-535 (21 pages)
Essential oils (EOs) have gained a renewed interest in many disciplines such as plant disease control and medicine. This review discusses the components of ginger EOs, their mode of action, and their potential nanotechnology applications in controlling tropical plant diseases. Gas chromatography-mass spectroscopy (GC-MS), high-performance liquid chromatography, and headspace procedures are commonly used to detect and profile their chemical compositions EOs in ginger. The ginger EOs are composed... -
Comparative Pathogenicity and Host Ranges of Magnaporthe oryzae and Related Species
Hyunjung Chung, Jaeduk Goh, Seong-Sook Han, Jae-Hwan Roh, Yangseon Kim, Sunggi Heu, Hyeong-Kwon Shim, Da Gyeong Jeong, In Jeong Kang, Jung-Wook Yang 한국식물병리학회 The Plant Pathology Journal 9 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 4호 1 305-313 (9 pages)
Host shifting and host expansion of fungal plant pathogens increases the rate of emergence of new pathogens and the incidence of disease in various crops, which threaten global food security. Magnaporthe species cause serious disease in rice, namely rice blast disease, as well as in many alternative hosts, including wheat, barley, and millet. A severe outbreak of wheat blast due to Magnaporthe oryzae occurred recently in Bangladesh, after the fungus was introduced from South America, causing... -
Inhibitory Abilities of Bacillus Isolates and Their Culture Filtrates against the Gray Mold Caused by Botrytis cinerea on Postharvest Fruit
Xiaomeng Chen, Yajie Wang, Yu Gao, Tongguo Gao, Dongdong Zhang 한국식물병리학회 The Plant Pathology Journal 12 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 5호 4 425-436 (12 pages)
Botrytis cinerea, a major phytopathogenic fungus, has been reported to infect more than 200 crop species worldwide, and it causes massive losses in yield. The aim of this study was to evaluate the inhibitory abilities and effects of Bacillus amyloliquefaciens RS-25, Bacillus licheniformis MG-4, Bacillus subtilis Z-14, and Bacillus subtilis Pnf-4 and their culture filtrates and extracts against the gray mold caused by B. cinerea on postharvest tomato, strawberry, and grapefruit. The results... -
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... -
Isolation and Characterization of a Bacteriophage Preying an Antifungal Bacterium
한국식물병리학회 The Plant Pathology Journal 5 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 6호 13 584-588 (5 pages)
Several Bacillus species were isolated from rice field soils, and 16S rRNA gene sequence analysis showed that Bacillus cereus was the most abundant. A strain named BC1 showed antifungal activity against Rhizoctonia solani. Bacteriophages infecting strain BC1 were isolated from the same soil sample. The isolated phage PK16 had an icosahedral head of 100 ± 5 nm and tail of 200 ± 5 nm, indicating that it belonged to the family Myoviridae. Analysis of the complete linear dsDNA... -
Visual Analysis for Detection and Quantification of Pseudomonas cichorii Disease Severity in Tomato Plants
한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 4호 3 300-310 (11 pages)
Pathogen infection in plants induces complex responses ranging from gene expression to metabolic processes in infected plants. In spite of many studies on biotic stress-related changes in host plants, little is known about the metabolic and phenotypic responses of the host plants to Pseudomonas cichorii infection based on image-based analysis. To investigate alterations in tomato plants according to disease severity, we inoculated plants with different cell densities of P. cichorii using dipping... -
Molecular Screening of Blast Resistance Genes in Rice using SSR Markers
한국식물병리학회 The Plant Pathology Journal 13 Pages
한국식물병리학회 The Plant Pathology Journal 2015, 31권 1호 2 12-24 (13 pages)
Rice Blast is the most devastating disease causing major yield losses in every year worldwide. It had been proved that using resistant rice varieties would be the most effective way to control this disease. Molecular screening and genetic diversities of major rice blast resistance genes were determined in 192 rice germplasm accessions using simple sequence repeat (SSR) markers. The genetic frequencies of the 10 major rice blast resistance genes varied from 19.79% to 54.69%. Seven accessions... -
Modulation of Quorum Sensing in Acyl homoserine Lactone Producing or Degrading Tobacco Plants Leads to Alteration of Induced Systemic Resistance Elicited by the Rhizobacterium Serratia marcescens 90 166
한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2013, 29권 2호 8 182-192 (11 pages)
Numerous root-associated bacteria (rhizobacteria) are known to elicit induced systemic resistance (ISR) in plants. Bacterial cell-density-dependent quorum sensing (QS) is thought to be important for ISR. Here, we investigated the role of QS in the ISR elicited by the rhizobacterium, Serratia marcescens strain 90?166, in tobacco. Since S. marcescens 90?166 produces at least three QS signals, QS-mediated ISR in strain 90?166 has been difficult to understand. Therefore, we investigated the ISR... -
식물바이러스 면역반응 최신 연구 동향 및 전망
김남연, 홍진성, 정래동 한국식물병리학회 식물병연구 17 Pages
한국식물병리학회 식물병연구 2018, 24권 1호 2 9-25 (17 pages)
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새로운 생물적 방제 전략: 미생물 인자 유래 식물면역 유도
이상무, 정준휘, 류충민, 한국식물병리학회 식물병연구 19 Pages
한국식물병리학회 식물병연구 2015, 21권 2호 10 161-179 (19 pages)
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인도 제조업 수출에서 외국인직접투자의 역할
김미수(Mi-su Kim), Priyanka Khati 인문사회과학기술융합학회 예술인문사회융합멀티미디어논문지 10 Pages
인문사회과학기술융합학회 예술인문사회융합멀티미디어논문지 2018, 제 8권 제 11호 15 147-156 (10 pages)
technology transfer, global market access and capital formation, which in turn leads to economic growth. After the economic reforms in 1991, the Indian government started deregulation and liberalization on FDI policy. Furthermore, the current Indian government under the Prime Minister Narendra Modi launched the ‘Make in India’ initiative in 2014 to develop India’s manufacturing sector, in which the importance of FDI is emphasized. In this context, we analyze the role of FDI in the export of... -
E-learning in Cloud Computing Infrastructure
Hye-Jin Kim 인문사회과학기술융합학회 예술인문사회융합멀티미디어논문지 11 Pages
인문사회과학기술융합학회 예술인문사회융합멀티미디어논문지 2018, 제 8권 제 7호 80 819-829 (11 pages)
convenient, on-demand access to a centralized shared pool of computing resources that can be deployed by a minimal management overhead and with a great efficiency. Cloud Computing is a new model for hosting resources and provisioning of services to the consumers. Therefore, an E-learning system based on Cloud computing infrastructure is feasible and it can greatly improve the efficiency of investment and the power of management, which can make E-learning system development into a virtuous circle... -
A Cross-Disciplinary Study of Early Childhood Development and Peacebuilding: New Conceptualizations of Early Childhood for Global Sustainable Development
Lynn Ang 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 21 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2018, Vol.12 No.1 1 1-21 (21 pages)
The intersection between Early Childhood Development (ECD), peacebuilding, and sustainable development is a complex and newly emerging area of research in the cross-disciplinary field of early childhood and international development. This paper is important for its contribution to the developing knowledge-base in its conceptualizations of the role of young children in the promotion of social cohesion and peaceful societies. It begins by discussing the increasingly high profile of ECD in the... -
Young Children’s Racial-Cultural Identity Negotiation and Development:A Phenomenological Case Study
Heejeong Sophia Han 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 24 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2015, Vol.9 No.2 5 97-120 (24 pages)
This article reports on a phenomenological case study following one Korean-American child’s negotiation and development of racial-cultural identity in the United States during the first three years of school. This study aimed to closely explore, understand, and explain the critical incidents experienced by a Korean-American child to recognize and negotiate her racial-cultural identity, and the strategies she used to navigate through the school culture. As a result, four themes were identified... -
강원도민의 건강, 스포츠, 여가시간에 대한 인식
설수영, 프란시스 로보 한국여가문화학회 여가학연구 27 Pages
한국여가문화학회 여가학연구 2010, Vol.7 No.3 3 45-71 (27 pages)
본 연구는 강원도민의 건강, 스포츠, 여가시간에 대한 인식을 분석하고 있다. 잘 알려진 바와 같이 강원도의 도청소재지인 춘천은 2010년 제11회 세계 레저 총회(World Leisure Congress)를 개최하고 있어, 본 논문은 관련 분야의 가장 중요한 세계적 이벤트를 주최하는 지역의 주민이 여가 전반에 관해 지닌 인식과 행위에 대한 정보를 제공한다는 의미가 있다. 분석 결과에 따르면 강원도민은 활기차고 건강하며 스포츠 지향적인 공동체에서 삶을 영위하고 있는 것으로 나타난다. 건설적인 활동에 그들의 여가시간을 의미있게 활용하고... -
성경에 나타난 하나님의 상징성의 의미와 특성에 관한 연구
한국보훈학회 한국보훈논총 2012, 제 11권 제 4호 (통권 25집) 9 263-317 (55 pages)
지금까지의 성경에 나타난 하나님의 상징의 의미와 특성에 관한 여러 가지 논의들 을 살펴보았다. 상징(Symbol)이란 겉으로 드러난 객관적 존재(형식)의 차원을 넘어서 초경험적 세계에 감추어진 주관적 본질(내용)의 차원을 지닌 것으로서, 그것이 처한 맥락 속에서 인식주체의 해석에 따라 다양한 의미를 나타내고, 독특한 정서와 감정을 불러일으킨다. 따라서 하나님의 상징성 분석은 육에 속한 인간에게 영으로서의 존재하 는 하나님을 깨닫고 체험하도록 해준다는 점에서 큰 의미가 있다. 또한 성경적 상징주 의 해석은 영적 진리를... -
영상자극 유형에 따른 유아의 정서안정성과 스트레스에 관한 연구 : 뇌파 측정을 중심으로
최혜순, 남효순 한국어린이미디어학회 어린이미디어연구 20 Pages
한국어린이미디어학회 어린이미디어연구 2012, 제 11권 제 2호 4 69-88 (20 pages)
본 연구는 영상자극의 유형에 따라서 유아의 정서안정성과 스트레스에 어떠한 차이가 있는지 살펴보 기 위해 뇌 과학적 연구방법의 하나로 대두되고 있는 뇌파(Electroencephalogram, EEG)측정을 실행 하였다. 연구 대상은 만 5세 유아 33명이며, 뇌파 측정 장비(QEEG-4 System)로 유아별 기초뇌파를 측정한 후 컴퓨터 모니터를 통해 정적영상자극과 동적영상자극을 차례로 제시하고 이를 통해 유발된 정서안정성과 스트레스에 관한 뇌파지수를 측정 하였다. 분석 결과는 다음과 같다. 첫째, 정서안정성 에 관한 뇌파지수는 기초자극,... -
Nitrogen-doped carbon nanosheets from polyurethane foams and removal of Cr(VI)
Jiaqi Duan, Baohua Zhang, Huailin Fan, Wenzhong Shen, Shijie Qu 한국탄소학회 Carbon Letters 10 Pages
한국탄소학회 Carbon Letters 2017, Vol.22 7 60-69 (10 pages)
Nitrogen-doped carbon nanosheets with a developed porous structure were prepared from polyurethane foams by hydrothermal carbonization following ZnCl2 chemical activation. Scanning electron microscopy, thermogravimetric analysis, Fourier transform infrared spectroscopy, solid state 13C nuclear magnetic resonance (NMR) spectra and X-ray photoelectron spectroscopy were used to characterize the nitrogen-doped carbon nanosheet structure and composition. The removal of Cr(VI) by the N-doped carbon... -
Study of complex electrodeposited thin film with multi-layer graphene-coated metal nanoparticles
Young-Lae Cho, Jung-woo Lee, Chan Park, Young-il Song, Su-Jeong Suh 한국탄소학회 Carbon Letters 6 Pages
한국탄소학회 Carbon Letters 2017, Vol.21 8 68-73 (6 pages)
We have demonstrated the production of thin films containing multilayer graphene-coated copper nanoparticles (MGCNs) by a commercial electrodeposition method. The MGCNs were produced by electrical wire explosion, an easily applied technique for creating hybrid metal nanoparticles. The nanoparticles had average diameters of 10?120 nm and quasispherical morphologies. We made a complex-electrodeposited copper thin film (CETF) with a thickness of 4.8 μm by adding 300 ppm MGCNs to the electrolyte... -
Effects of maleic anhydride content on mechanical properties of carbon fibers-reinforced maleic anhydride-grafted-polypropylene matrix composites
Hyun-Il Kim, Woong Han, Woong-Ki Choi, Soo-Jin Park, Kay-Hyeok An, Byung-Joo Kim 한국탄소학회 Carbon Letters 8 Pages
한국탄소학회 Carbon Letters 2016, Vol.20 6 39-46 (8 pages)
In this work, the effects of maleic anhydride (MA) content on mechanical properties of chopped carbon fibers (CFs)-reinforced MA-grafted-polypropylene (MAPP) matrix composites. A direct oxyfluorination on CF surfaces was applied to increase the interfacial strength between the CFs and MAPP matrix. The mechanical properties of the CFs/MAPP composites are likely to be different in terms of MA content. Surface characteristics were observed by scanning electron microscope, Fourier transform infrared... -
Adsorption of lisinopril and chlorpheniramine from aqueous solution on dehydrated and activated carbons
El-Said I. El-Shafey, Haider A. J. Al-Lawati, Wafa S. H. Al-Saidi 한국탄소학회 Carbon Letters 11 Pages
한국탄소학회 Carbon Letters 2016, Vol.19 2 12-22 (11 pages)
Date palm leaflets were used as a precursor to prepare dehydrated carbon (DC) via phosphoric acid treatment at 150°C. DC, acidified with H3PO4, was converted to activated carbon (AC) at 500°C under a nitrogen atmosphere. DC shows very low surface area (6.1 m2/g) while AC possesses very high surface area (829 m2/g). The removal of lisinopril (LIS) and chlorpheniramine (CP) from an aqueous solution was tested at different pH, contact time, concentration, and temperature on both carbons. The... -
Cellulose-based carbon fibers prepared using electron-beam stabilization
Min Il Kim, Mi-Seon Park, Young-Seak Lee 한국탄소학회 Carbon Letters 6 Pages
한국탄소학회 Carbon Letters 2016, Vol.18 9 56-61 (6 pages)
Cellulose fibers were stabilized by treatment with an electron-beam (E-beam). The properties of the stabilized fibers were analyzed by scanning electron microscopy, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, and thermogravimetric analysis. The E-beam-stabilized cellulose fibers were carbonized in N₂ gas at 800°C for 1 h, and their carbonization yields were measured. The structure of the cellulose fibers was determined to have changed to hemicellulose and... -
Functionalization of graphene nanoplatelets using sugar azide for graphene/epoxy nanocomposites
Saswata Bose, Lawrence T. Drzal 한국탄소학회 Carbon Letters 6 Pages
한국탄소학회 Carbon Letters 2015, Vol.16 No.2 5 101-106 (6 pages)
We report a covalent functionalization of graphene nanoparticles (GnPs) employing 2,3,4-Tri-O-acetyl-β-D-xylopyranosyl azide followed by fabrication of an epoxy/functionalized graphene nanocomposite and an evaluation of its thermo-mechanical performance. Successful functionalization of GnP was confirmed via thermal and spectroscopic study. Raman spectroscopy indicated that the functionalization was on the edge of the graphene sheets; the basal plane was not perturbed as a result of the... -
Preparation and characterization of carbon fiber-reinforced thermosetting composites: a review
Fan-Long Jin, Soo-Jin Park 한국탄소학회 Carbon Letters 11 Pages
한국탄소학회 Carbon Letters 2015, Vol.16 No.2 1 67-77 (11 pages)
Carbon fibers (CFs) have a unique combination of properties which allow them to be widely used as reinforcing materials in advanced polymer composites. The mechanical properties of CF-reinforced polymer composites are governed mainly by the quality of interfacial adhesion between the CFs and the polymer matrix. Surface treatments of CFs are generally carried out to introduce chemical functional groups on the fiber surfaces, which provide the ability to control the surface characteristics of CFs.... -
Breakthrough behaviour of activated charcoal cloth samples against oxygen analogue of sulphur mustard
G. K. Prasad, J. Praveen Kumar, P. V. R. K. Ramacharyulu and Beer Singh 한국탄소학회 Carbon Letters 6 Pages
한국탄소학회 Carbon Letters 2015, Vol.16 No.1 3 19-24 (6 pages)
The breakthrough behaviour of activated charcoal cloth samples against an oxygen analogue (OA) of sulphur mustard has been studied using the modified Wheeler equation. Activated charcoal cloth samples having different surface area values in the range of 481 to 1290 m2/g were used for this purpose. Breakthrough behaviour was found to depend on the properties of the activated charcoal cloth, properties of the OA and the adsorption conditions. Activated charcoal cloth with a high surface area of...
