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이유진,하지훈 The English Linguistic Science Association of Kore 2000 English Linguistic Science Vol.5 No.-
The main purpose of this study is to show a more effective way to study English via the Internet, and to give mare information about how to use it in the class with many students. Using the Internet in English language classroom has lots of advantages and merits. Firstly, it is the best substitute for native spearkers in English education. Secondly, as it offers a virtually real environment to leasers, it is possible for us to communicate with others. Thirdly, it allows English learners to face the culture of English, motivating them to learn English by eliminating the cultural bounds. Fourthly, it helps us overcome the negative attitude which can be easily found in English language classrooms. In this study, I have researched the Internet use in English language learning: vocabularies, communication activity and supplementary materials. A large number of students showed interest and satisfaction in studding English on the Internet. In conclusion, in this study it has been proved that the Internet was a very helpful device in teaching and learning English in school, that a sufficient number of computers should be provided in classes and that further research in this field is urgently needed.
宋東勳,裵振勝,鄭燦赫,吳世德,李基源,劉忠烈,河載承,李光培,金玄郁 명지대학교 산업기술연구소 2005 産業技術硏究所論文集 Vol.24 No.-
With rapid growth of the internet, need for the mobile communication networks is increasing. In this paper, we implement and test Mobile IP Protocol in Embedded System. Our Mobile IP-based testbed consisted of two sub-networks and each sub-network was configured to operate independently through use of router. To satisfy integrated wired/wireless network model established on the testbed design and show generality of the testbed, we implemented mobile nodes, home agent, foreign agent and router on the basis of Linux operating system. As the results of the evaluation, we confirmed that mobile nodes operated properly according to Mobile IP Protocol.
金在浩,李光培,金玄郁,劉忠烈,河載承,裵振勝 明知大學校 産業技術硏究所 2008 産業技術硏究所論文集 Vol.27 No.-
Recently, Wire-rireless combination study is being studied very actively with the advent of Ubiquitous environment, using wireless device such as PDA, Cellular Phone loading multi-hop communication that connects wired internet network very easily and controls the system and shares the information in anyplace. The past algorithm, wired and wireless combination that connect between Ad Hoc Network and wired network is being focused only on the study of heterogeneous network interface. The proposed algorithm established independent multi-path between source node and destination node to prevent data loss when errors happen in route. The proposed algorithm established independent multi-path between source node and destination node to prevent data loss, and trasmitted data packet to destination node very quickly and promoted network reliabiliy when errors happen in route.
( You Jin Ha ),( You Jin Han ),( You Won Choi ),( Ki Bum Myung ),( Hae Young Choi ) 대한피부과학회 2011 Annals of Dermatology Vol.23 No.4
A 24-year old woman presented with hemorrhagic vesicles on her legs. She had taken sibutramine (Reductil(R), Abbott Labs., Seoul, South Korea) for 3 months and developed skin lesions the week before. A skin biopsy showed leukocytoclastic vasculitis with conspicuous eosinophilic infiltration of the tissue. These lesions showed improvement after discontinuation of sibutramine. However, 3 months later the skin lesions recurred on other sites on the lower extremities when the patient was rechallenged with the same drug for 2 weeks. Herein, we report the first case of necrotizing vasculitis induced by sibutramine. (Ann Dermatol 23(4) 544 ~547, 2011)
새만금 단벌기 목재에너지림 식재 포플러 묘목의 생육특성 및 바이오매스 생산량
우수영 ( Su Young Woo ),이성한 ( Seong Han Lee ),제선미 ( Sun Mi Je ),곽명자 ( Myung Ja Kwak ),유하나 ( Ha Na You ),여진기 ( Jin Kie Yeo ),전병환 ( Byoung Hwan Cheon ) 한국임학회 2014 산림과학 공동학술대회 논문집 Vol.2014 No.-
본 연구는 새만금 간척지 배후도시용 유보용지를 이용하여 2012년에 조성된 포플러 단벌기 바이오매스 생산림을 대상으로 식재 시 대절처리에 따른 묘목의 생육특성과 목질계 바이오매스 생산성을 조사하기 위해 수행되었다. 식재 2년차 목재에너지림 포플러 묘목의 총 수고와 직경은 무대절처리구(347.8cm/19.5mm)와 1m 대절 처리구(324.5cm/18mm)에서 유사한 수준이었으며, 지제부 대절처리구(259.8cm/15.1mm)에서 가장 낮은 경향을 보였다. 그러나 식재 이후 2년간 순수고생장량에 있어서는 1m 대절 처리구가 241.4cm로 가장 높았으며, 다음으로 무대절 처리구(212.7cm) 및 지제부대절 처리구(181.6cm) 순으로 나타났다. 2년 동안의 지상부 목질계 바이오매스 생산량을 추산한 결과, 무대절 처리구(약 4.3ton/ha)에서 가장 높았고, 다음으로 1m 대절 처리구(약 4.0ton/ha) 및 지제부 대절 처리구(약 2.6ton/ha) 순으로 나타났다. 고사율의 경우 1m 대절 처리구가 약 10.0%로 무대절 처리구(26.2%) 및 지제부 대절 처리구(30.1%)에 비해 현저히 낮았으며, 수관활력도 및 잎 피해도 역시 가장 양호한 것으로 조사되었다. 종합적으로 식재 후 2년 간 지상부 목질계 바이오매스의 총 생산량은 무대절 처리구에서 가장 높은 것으로 추산되었으나 간척지 환경을 고려한 적응지수는 1m 대절 처리구에서 가장 높은 것으로 평가되었다. This study was conducted to investigate the growth characteristic and wood biomass production for a short rotation coppice plantation with differently coppiced poplar established in Saemangeum reclaimed land in 2012. Total tree hight and DBH after two growing seasons were highest in non-coppiced plantation (347.8㎝/19.5㎜) followed by 1m hight-coppiced (324.5㎝/18㎜) and ground level-coppiced plantation (259.8㎝/15.1㎜). However, net growth of tree hight during the two growing seasons was highest in 1m hight-coppiced plantation (241.4㎝) followed by non-coppiced (212.7㎝) and ground level-coppiced plantation (181.6㎝). Above ground wood biomass production during the 2 years after plantation was estimated to be highest in non-coppiced plantation (about 4.3 ton/ha) followed by 1m hight-coppiced (about 4.0 ton/ha) and ground level-coppiced plantation (about 2.6 ton/ha). However, the best performance in terms of survival rate, vitality of tree crown and degree of leaf injury was showed in 1m hight-coppiced plantation. Overall adaptability concerning the environmental conditions of reclaimed land was also highest in 1m hight-coppiced plantation.
Dietary habits and gastroesophageal reflux disease in preschool children
You Jin Choi,Eun Kyo Ha,Su Jin Jeong 대한소아청소년과학회 2016 Clinical and Experimental Pediatrics (CEP) Vol.59 No.7
Purpose: To identify the relationship between dietary habits and childhood gastroesophageal reflux disease (GERD) in preschool children. Methods: We performed a questionnaire study to analyze the relationship between dietary habits and GERD in 85 preschool children with GERD and 117 healthy children of the same age. Results: Irregular and picky eating were more p–revalent in the GERD group than in the control group (odds ratio [OR], 4.14; 95% confidence interval [CI], 1.37–12.54 and OR, 4.96; 95% CI, 1.88–13.14, respectively). The snack preferences and the late night eating habits were significantly more prevalent in the GERD group than in the control group (OR, 3.83; 95% CI, 1.23–11.87 and OR, 9.51; 95% CI, 2.55–35.49, respectively). A preference for liquid foods was significantly more prevalent in the GERD group (OR, 9.51; 95% CI, 2.548–35.485). The dinner-to-bedtime interval was significantly shorter in the GERD group than in the control group (157.06±48.47 vs. 174.62±55.10, P=0.020). In addition, the time between dinner and bedtime was shorter than 3 hours in 47 children (55.3%) of the GERD group and 44 (37.6%) of the control group. This difference was statistical significance (P=0.015). Conclusion: Dietary habits such as picky and irregular eating, snack preference, a preference of liquid foods, late night eating, and a shorter dinner-to-bedtime interval had a significant correlation with GERD. Further large-scale studies are necessary to confirm our results.