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최승호,김자룡,이기영,최갑석 明知大學校 産業技術硏究所 1989 産業技術硏究所論文集 Vol.8 No.-
In this paper, Recognition of HANGUL Vowel using a neural network is studied. In general, Back-propagation is applied for the speech recognition, but has too much computational time for learning. The method using peak information of speech signal is used for the purpose of reduction of computational time. The speech spectrum of a vowel consists of the sixteen frame and a frame is divided by the sixteen hand and binary code 1,0 is used as input data corresponding to whether peaks exist or not, respectively, on each band in frequency spectrum. The experimental result show that the learning number is reduced remarkably and the recognition rate is improved according to increasing ratio of learning and unlearning data.
지역경제의 생태학적 평가에 관한 연구 : 낙동강 유역을 중심으로 The case of Nakdong River region, Korea
윤갑식,김홍배,최세호 漢陽大學校 環境工學硏究所 1998 環境科學論文集 Vol.19 No.-
본 연구에서는 수질오염이 산업폐수, 가계하수 그리고 토지유출수의 3가지 요소에 의해서 발생된다는 가정을 바탕으로 환경수준과 경제활동 사이에 존재하는 상반관계를 낙동강유역을 대상으로 분석하였다. 분석에는 다지역 투입산출모형이 이용되는데 이때의 다지역 투입산출표는 행정구역이 아닌 유역권을 기준으로 작성되었고 이를 바탕으로 목표년도(2010)의 낙동강 유역 수질수준을 예측하였다. 또한 수질을 개선하기 위해 두가지 정책 즉, 자체처리시설을 증설하는 정책과 종말처리장을 증설하는 정책을 제시하고 이것을 정책에 소요되는 비용과 정책효과 측면에서 평가하여 지역별 가장 효율적인 정책을 제시하였다. 마지막으로 GRDP에서 수질오염에 의해 발생하는 환경비용을 고려한 ERDP(환경적으로 조정된 지역내 순생산)를 제시하였다. This paper analyzes the trade-off relationship between environmental quality and economic activity, specifically focusing on water pollution of Nakdong-river region, Korea. The analysis begins with the assumption that water is contaminated by three pollutive sources, production sector, household sector and land surface water. Three-region input-output table is constructed based on the Catch basin area not administrative area for analysis. Water polluting level of Nakdong river region in the year 2010 is forecasted taking into account the pollutive sources. Also, two types of environmental policies are presented and assessed in terms of pollution abatement costs and effects. Finally, the interest in this paper stems from recent advances in so-call EDP(environmentally adjusted net domestic product) which reflects environmental costs in GDP. The paper attempts to calculate ERDP(environmentally adjusted net regional domestic product) by incorporating EDP into regional level with the assumption that environmental costs are represented by water pollution abatement costs.
The Effect of Elasticity of Taping on Ankle Muscles’Activity and Endurance after Plyometric Training
Ho Jung An,Ho Kyun Lee,Jae Kap Lee,Kyung Tae Yoo,Sung Won Kim,Nyeon Jun Kim,Ja Pung Koo,Wan Suk Choi,Jung Hyun Cho 국제물리치료학회 2014 Journal of International Academy of Physical Ther Vol.5 No.2
The purpose of this study is to observe the effect of elasticity of taping on ankle muscles’activity and endurance after plyometric training that easily causes ankle injury, and provide baseline data for physical therapy intervention methods. The study subjects are 24 male students in their 20s who attend N University in Choongnam. They were divided into three groups; 8 subjects in the elastic taping group, 8 in the non-elastic taping group, and 8 in the non-taping group(control group). They had plyometric training for 6 weeks. After the training, this study measured their maximum voluntary isometric contraction(MVIC) and muscle endurance of the muscles around ankle joint. The experiment result is as follows. After the training, all three groups showed improvement in muscle strength and endurance. The elastic taping group showed insignificant improvement in muscle strength but significant increase in muscle endurance in plantarflexion. In dorsiflexion, both muscle strength and endurance increased significantly. The non-elastic taping group showed insignificant improvement in muscle strength but significant increase in muscle endurance in plantarflexion. Taping during plyometric training had a little or insignificant effect on muscle endurance and strength compared to the non-taping group.
대형 디젤 엔진의 연소실 평균 표면온도 측정에 관한 연구
최갑승(Kap-seung Choi),김창호(Chang-ho Kim),이동제(Dong-je Lee),김형만(Hyung-man Kim),이동호(Dong-ho Lee) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In the recent development of internal combustion engine. considerable increase in speed and power has been accomplished. This achievement, however, brought up various problems due to the excessive engine parts temperature which becomes a crucial factor in engine durability.<br/> In this paper, temperature measurement of diesel engine parts was investigated experimentally and theoretical analysis was indicated on appendix. The adapter is designed to pull out the thermocouple. The thermocouple is welded on the surface of the cylinder cover to measure the surface average temperature. and drawn out through the safety valve hole. Ceramic Bond was used for prevent the affect of high temperature combustion gas. The cylinder cover temperature of experimental engine and low-speed engine(K90MC) is measured by means of surface welding method. The results. Average temperature range is indicated that experimental engine of cylinder cover, cylinder liner is respectively 215 ~ 335℃ , 85 ~93℃ and low-speed engine(K90MC) of cylinder cover. cylinder liner is respectively 291 ~ 378℃, 137 ~ 158℃ .<br/> This study inspected surface welding method by measuring cylinder cover, piston crown temperature of experimental engine. Then apply to low-speed engine(K90MC), developed temperature measuring method without damaged engine.<br/>
The Effect of Elasticity of Taping on Ankle Muscles'Activity and Endurance after Plyometric Training
An, Ho Jung,Lee, Ho Kyun,Lee, Jae Kap,Yoo, Kyung Tae,Kim, Sung Won,Kim, Nyeon Jun,Koo, Ja Pung,Choi, Wan Suk,Choi, Jung Hyun International Academy of Physical Therapy Research 2014 Journal of International Academy of Physical Ther Vol.5 No.2
The purpose of this study is to observe the effect of elasticity of taping on ankle muscles'activity and endurance after plyometric training that easily causes ankle injury, and provide baseline data for physical therapy intervention methods. The study subjects are 24 male students in their 20s who attend N University in Choongnam. They were divided into three groups; 8 subjects in the elastic taping group, 8 in the non-elastic taping group, and 8 in the non-taping group(control group). They had plyometric training for 6 weeks. After the training, this study measured their maximum voluntary isometric contraction(MVIC) and muscle endurance of the muscles around ankle joint. The experiment result is as follows. After the training, all three groups showed improvement in muscle strength and endurance. The elastic taping group showed insignificant improvement in muscle strength but significant increase in muscle endurance in plantarflexion. In dorsiflexion, both muscle strength and endurance increased significantly. The non-elastic taping group showed insignificant improvement in muscle strength but significant increase in muscle endurance in plantarflexion. Taping during plyometric training had a little or insignificant effect on muscle endurance and strength compared to the non-taping group.
A 6-Week Oral Toxicity Study of Oral Cholera Vaccine in Sprague-Dawley Rats
Baek, Yeong-Ok,Choi, Seuk-Keun,Shin, Seo-Ho,Koo, Kyo-Hwan,Choi, Ho-Young,Cha, Seung-Bum,Li, Yong-Chun,Yoo, Hyeon-Jeong,Lee, Joo-Young,Kil, Ki-Hyun,Kim, Hak-Soo,Kang, Min-Soo,Kang, Boo-Hyun,Kim, Kap-Ho Korean Society of ToxicologyKorea Environmental Mu 2012 Toxicological Research Vol.28 No.4
The present study was carried out to examine the toxicity and target organs of oral cholera vaccine (OCV) after repeated oral administration in Sprague-Dawley rats for 6 weeks (3 administrations, once every 2 weeks). OCV is an inactivated oral cholera vaccine that contains Vibrio cholerae and confers protection against cholera caused by V. cholera serogroups O1 (Inaba and Ogawa serotypes) and O139 (strain 4260B). The animals were orally administered either OCV placebo (negative control) or OCV at a dose equivalent to 240 times the anticipated human dose. Throughout the administration period, no significant change was detected in clinical signs, body weight, food or water consumption, urinalysis results, hematological and clinical biochemistry test results, organ weights, necropsy, or histopathological examination results. Minor changes were found in hematological and clinical biochemistry tests; however, these changes were within normal ranges. The above results suggest that oral administration of OCV in rats did not induce any toxicologically meaningful changes, and the target organs could not be determined. This study was conducted in accordance with the guidelines established by Good Laboratory Practice (2009-183, KFDA, December 22, 2009) and the OECD Principles of Good Laboratory Practice (1997).
A 6-Week Oral Toxicity Study of Oral Cholera Vaccine in Sprague-Dawley Rats
Yeong-Ok Baek,Seuk-Keun Choi,Seo-Ho Shin,Kyo-Hwan Koo,Ho-Young Choi,Seung-Bum Cha,Yong-Chun Li,Hyeon-Jeong Yoo,Joo-Young Lee,Ki-Hyun Kil,Hak-Soo Kim,Min-Soo Kang,Boo-Hyun Kang,Kap-Ho Kim,Jin-Sook Bae 한국독성학회 2012 Toxicological Research Vol.28 No.4
The present study was carried out to examine the toxicity and target organs of oral cholera vaccine (OCV) after repeated oral administration in Sprague-Dawley rats for 6 weeks (3 administrations, once every 2 weeks). OCV is an inactivated oral cholera vaccine that contains Vibrio cholerae and confers protection against cholera caused by V. cholera serogroups O1 (Inaba and Ogawa serotypes) and O139 (strain 4260B). The animals were orally administered either OCV placebo (negative control) or OCV at a dose equivalent to 240 times the anticipated human dose. Throughout the administration period, no significant change was detected in clinical signs, body weight, food or water consumption, urinalysis results, hematological and clinical biochemistry test results, organ weights, necropsy, or histopathological examination results. Minor changes were found in hematological and clinical biochemistry tests; however, these changes were within normal ranges. The above results suggest that oral administration of OCV in rats did not induce any toxicologically meaningful changes, and the target organs could not be determined. This study was conducted in accordance with the guidelines established by Good Laboratory Practice (2009-183, KFDA, December 22, 2009) and the OECD Principles of Good Laboratory Practice (1997).