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A Review of the Potency of Plant Extracts and Compounds from Key Families as an Alternative to Synthetic Nematicides: History, Efficacy, and Current Developments
Abraham Okki Mwamula, Md. Faisal Kabir, DongWoon Lee 한국식물병리학회 The Plant Pathology Journal 25 Pages
한국식물병리학회 The Plant Pathology Journal 2022, 38권 2호 1 53-77 (25 pages)
The global nematicides market is expected to continue growing. With an increasing demand for synthetic chemical-free organic foods, botanical nematicides are taking the lead as replacements. Consequently, in the recent years, there have been vigorous efforts towards identification of the active secondary metabolites from various plants. These include mostly glucosinolates and their hydrolysis products such as isothiocyanates; flavonoids, alkaloids, limonoids, quassinoids, saponins, and the more... -
Genetic Variability and Geographical Distribution of Mycotoxigenic Fusarium verticillioides Strains Isolated from Maize Fields in Texas
한국식물병리학회 The Plant Pathology Journal 9 Pages
한국식물병리학회 The Plant Pathology Journal 2015, 31권 3호 1 203-211 (9 pages)
Maize is the dominant cereal crop produced in the US. One of the main fungal pathogens of maize is Fusarium verticillioides, the causative agent of ear and stalk rots. Significantly, the fungus produces a group of mycotoxins - fumonisins - on infested kernels, which have been linked to various illnesses in humans and animals. Nonetheless, durable resistance against F. verticillioides in maize is not currently available. In Texas, over 2.1 million acres of maize are vulnerable to fumonisin... -
쌍곡선 실린더형 반사체를 이용한 파노라마 영상 시스템 및 차량용 AVM 시스템을 위한 영상 보정 알고리즘
고영준, 이수영 인문사회과학기술융합학회 예술인문사회융합멀티미디어논문지 10 Pages
인문사회과학기술융합학회 예술인문사회융합멀티미디어논문지 2017, 제 7권 제 6호 76 807-816 (10 pages)
운전자의 안전한 주행을 보조하기 위하여 차량 주변을 영상을 실시간으로 표출하는 AVM(Around-View Monitoering) 시스템이 연구되고 있다. 차량 주변의 영상을 획득하기 위하여 일 반적으로 다수의 카메라를 이용하여 정합하는 과정을 사용한다. 다수의 카메라를 운용하게 되면 하드 웨어 및 소프트웨어 측면의 부하가 많아지게 된다. 본 논문에서는 이러한 단점을 보완하기 위하여 단 일 카메라를 이용한 보다 넓은 화각을 얻을 수 있는 영상시스템을 제안한다. 제안한 영상 시스템은 카메라와 함께 쌍곡선 실린더형 반사체를 이용한... -
New Higher Education for Human Resource Development in the 21st Century
Young-Gil Kim 한국교육정치학회 한국교육정치학회 학술대회지 25 Pages
한국교육정치학회 한국교육정치학회 학술대회지 정기 1 1-25 (25 pages)
Peace and prosperity in the 21st century depend on increasing the capacity of people to think and work on a global and intercultural basis. As technology opens borders, educational and professional exchange opens minds. -
초등학교 사회과 문제해결학습을 위한 블렌디드 Jigsaw 모형 개발
이인자, 이유나, 이상수 한국교육방법학회 교육방법연구 25 Pages
한국교육방법학회 교육방법연구 2009, 제 21권 제 2호 8 163-187 (25 pages)
본 연구는 사회과 블렌디드 Jigsaw 모형을 개발하는 데 목적이 있다. 이를 위해 본 연구는 다음의 네 가지 연구문제를 중심으로 연구하였다. 첫째, 사회과 문제해결 학습 모형과 Jigsaw 모형을 통합하여 사회과 Jigsaw 모형을 도출한다. 둘째, 도출된 사회과 Jigsaw모형의 교수?학습 활동을 분석하여 블렌딩 원리를 도출한다. 셋째, 도출된 블렌딩 원리에 기초하여 사회과 문제해결학습을 위한 블렌디드 Jigsaw 모형을 개발한다. 넷째, 개발된 모형은 형성 평가 과정을 거쳐 그 타당성을 검증하여 최종적으로 모형을 완성한다. 본 연구는... -
Latent Profiles of Korean Preschool Teachers Three Facets of Pedagogical Content Knowledge in Early Mathematics
Haesung Im, Jinkyung Choi 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 26 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2020, Vol.14 No.2 1 1-26 (26 pages)
Existing research primarily focused on only one aspect of preschool teachers pedagogical content knowledge (PCK) in early mathematics. With a person-centered approach, this study identified profiles of preschool teachers by three facets of PCK, which include (1) content knowledge in mathematics within teacher-directed instruction, (2) teachers sensitivity to mathematics during children s play, and (3) the complexity of math questions. A total of 148 Korean classroom teachers nested in 40... -
Assessment of Teaching Aptitude of Preservice Teachers Enrolled in University-Based Teacher Credential Programs in South Korea: Providing Diagnostic Information Based on a Cognitive Diagnostic Assessment Framework
Yi Hyun Sook, Park Sejin 한국교육학회 교육학연구 27 Pages
한국교육학회 교육학연구 2022, 60권 3호 1 1-27 (27 pages)
Teacher education programs must provide opportunities for student teachers to explore their teaching aptitude early in the program and help them to strengthen their areas of weaknesses to prepare them for the realities of teaching. This study employed the cognitive diagnostic assessment framework, which is known to be effective in providing profiles of multidimensional and inter-related attributes, such as the teaching aptitude. The attribute mastery profiles of 1,111 participants from 6 South... -
Facile fabrication of electrospun polyacrylonitrile/ poly(vinylidene fluoride)-based carbon nanofibers for supercapacitor electrodes
Hyo In Lee, Soo-Jin Park 한국탄소학회 Carbon Letters 5 Pages
한국탄소학회 Carbon Letters 2017, Vol.23 12 79-83 (5 pages)
Energy storage devices and renewable energy sources are some of the most interesting alternatives being developed to solve the energy crisis [1,2]. At the same time, energy harvesting and storage devices are among the technologies with the highest potential to efficiently satisfy the energy requirements of compact electronic devices [3]. Among various energy storage devices, supercapacitors are the among the most intensely researched because of their high power density, long cycle retention, and... -
Comparative electrochemical study of sulphonated polysulphone binded graphene oxide supercapacitor in two electrolytes
Harish Mudila, M.G.H. Zaidi, Sweta Rana, S. Alam 한국탄소학회 Carbon Letters 6 Pages
한국탄소학회 Carbon Letters 2016, Vol.18 7 43-48 (6 pages)
development of electrochemical supercapacitors. Electrochemical performance of the electrode was investigated using cyclic voltammetry in 1M Na2SO4 and 1M KOH solution. The fabricated supercapacitors gave a specific capacitance of 161.6 and 216.8 F/g with 215.4 W/kg and 450 W/kg of power density, in 1M Na2SO4 and 1M KOH solutions, respectively. This suggests that KOH is a better electrolyte than Na2SO4 for studying the electrochemical behavior of electroactive material, and also suggests SPS is... -
Photocatalytic degradation and antibacterial investigation of nano synthesized Ag₃VO₄ particles @PAN nanofibers
Prem Singh Saud, Zafar Khan Ghouri, Bishweshwar Pant, Taehee An, Joong Hee Lee, Mira Park, Hak-Yong Kim 한국탄소학회 Carbon Letters 7 Pages
한국탄소학회 Carbon Letters 2016, Vol.18 5 30-36 (7 pages)
revealed that the obtained material is PAN nanofibers decorated by Ag₃VO₄ nanoparticles. Photocatalytic degradation of methylene blue investigated in an aqueous solution under irradiation showed 99% degradation of the dye within 75 min. Finally, the antibacterial performance of Ag₃VO₄ nanoparticles @PAN composite nanofibers was experimentally verified by the destruction of Escherichia coli. These results suggest that the developed inexpensive and functional nanomaterials can serve as a...
