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“간”과 관련된 조선어 관용표현과 한어 관용표현 대조고찰
지성녀(池聖女) 길림성민족사무위원회 2015 중국조선어문 Vol.2015 No.3
본고는 대조언어학의 관점에서 조선어의 “간”과 관련된 관용표현이 한어의 어떤 관용표현과 대응되는지를 검토해 보았다. 문화적층위에서 조선에서 “간”에 대한 인식은 한어의 “心”과 대응되는데, 조선어에서 “간”과 관련된 관용표현이 “놀라다”를 나타내는 경우 한어의 “심”과 대응되고, “대담하다”를 나타내는 경우 한어의 “담/쓸개”와 대응됨을 밝힘으로써 조선어와 한어 학습자들에게 의사소통의 장애를 최소화시키고, 더 나아가 상대방의 언어와 문화를 더욱 쉽게 리해하도록 하였다.
PTC 전열시트를 사용한 핀-관 열교환기의 제상 특성에 관한 실험적 연구
지성,이관수,Jhee, S.,Lee, K.S. 대한설비공학회 1999 설비공학 논문집 Vol.11 No.1
In this work, the defrosting characteristics of PTC heating sheet used as a defrosting heat source of fin-tube heat exchanger in a refrigerator have been experimentally compared with those of conventional electric heater. It is found that the characteristics of water draining rate with defrosting time show smoothly oscillating pattern when PTC heating sheet is used, and the drained water is completely melted. The defrosting efficiency of the PTC heating sheet is about 75%, which represents about 25% higher than that of the electric heater. A reduction of defrosting time and an increase of defrosting efficiency may be obtained by improving the arrangement of heating elements of the heating sheet. It is shown that the defrosting time of PTC heating sheet increases linearly with the amount of frost, however the defrosting efficiency is nearly constant. In the application to the refrigerating system, one should notice the fact that the defrosting performance of PTC heating sheet may be defraded due to the repeated operations.
지성,이관수,여문수,Jhee, Sung,Lee, Kwan-Soo,Yeo, Moon-Su 대한기계학회 2002 大韓機械學會論文集B Vol.26 No.9
This study presents a numerical model to predict the behavior of frost layer growth. The characteristics of the heat and mass transfer inside the frost layer are analyzed by coupling the air flow with the frost layer. The present model is validated by comparing with the several other analytical models. It has been known that most of the previous models cause considerable errors depending on the working conditions or correlations used in predicting the frost thickness growth, whereas the model in this work estimates the thickness of the frost layer more accurately within an error of 10% in comparison with the experimental data. Simulation results are presented for variations of heat and mass transfer during the frost formation and for the behavior of frost layer growth along the direction of air flow.
휜-관 열교환기의 착.제상 거동에 대한 표면처리의 영향에 관한 실험적 연구
지성,이관수,Jhee, Sung,Lee, Kwan-Soo 대한기계학회 2000 大韓機械學會論文集B Vol.24 No.8
The effect of heat exchanger surface treatment on the frosting/defrosting behavior in a fin-tube heat exchanger is investigated experimentally. It is found that the hydrophilic surface mainly influences on the frosting behavior, however, the hydrophobic surface gives some influence on the defrosting behavior. In view of frosting performance, surface-treated heat exchanger with either hydrophilic or hydrophobic characteristic shows a little improvement in the thermal performance than the aluminium heat exchanger with no surface treatment. The result reveals that the heat exchanger with hydrophobic surface treatment is more effective in view of the defrosting efficiency and time. The amounts of residual water on the surface-treated heat exchangers are shown to be smaller than those of the bare heat exchanger, therefore further improvements on the performance of re-operations are expected.
지성,신용식,서호영,Ji, Sung,Sin, Yong-Sik,Soh, Ho-Young 한국해양학회 2008 바다 Vol.13 No.4
청계만에는 3개의 방조제(창포, 복길, 구일)가 위치하고 있고 이로부터 유입되는 담수로 인한 환경의 변화가 예상된다. 이를 조사하기 위해 2006년 11월(가을), 2007년 2월(겨울), 5월(봄), 8월(여름)에 각 방조제 앞에서 3개 정점을 선정하였다. 각 방조제 정점에서 대발생은 갈수기인 2007년 2월에 대형식물플랑크톤에 의해 발생하였고 풍수기에는 중 형식물플랑크톤이 우점하는 분포를 나타냈다. 각 방조제 정점에서 풍수기에는 담수의 유입으로 인하여 염분과 투명도는 낮고 암모늄과 인산염은 갈수기인 2007년 2월보다 높게 나타났지만 식물플랑크톤 생체량은 낮게 나타났는데 이는 담수의 유입으로 인한 높은 탁도나 염분의 급격한 감소가 영양염류보다 더 영향을 미치는 것으로 사료된다. 즉 본 조사해역에서 갈수기인 2007년 2월에는 식물플랑크톤의 성장에 영양염류가 영향을 미치지만 풍수기에는 높은 탁도나 급격한 염분변화가 영양염류보다 더 큰 영향을 미치는 것으로 판단된다. Three embankments are located in the Chunggye Bay, each named as Changpo, Bokkil and Kuil and environmental changes are expected due to freshwater input. To investigate this phenomenon, three sample sites in front of each embankment gate were selected in Nov. 2006(autumn), Feb. 2007(winter), May. 2007(spring) and Aug. 2007(summer). At every point of embankment spot, large cells(micro-size, >$20\;{\mu}m$) of phytoplankton were turned out to be a major cause of algal bloom in Feb. 2007 and nano-size($2-20\;{\mu}m$) phytoplankton became dominant during rainy season. In rainy season, each point of embankment showed low salinity and transparency with higher ammonium and phosphorus concentrations than dry season. However, the number of phytoplankton has decreased and it is expected that freshwater influx has more influence on high turbidity and radical decrease of salinity than nutrient. According to the results of this study, therefore, nutrient could have more influence on growth of phytoplankton in dry season, but high turbidity and radical changes of salinity have more influence in rainy season.
왕겨 배지의 사용횟수가 오이 및 토마토의 생장과 수량에 미치는 영향
지성한 湖南大學校 1997 호남대학교 학술논문집 Vol.18 No.2
The present work was carried out to investigate the effect of utilizing frequency of rice hull stubstrate on growth and yield of cucumber and tomato plants. As the utilizing frequency of rice hull substrate increased from the 1st to the 3rd leaf growth was promoted slowly in both crops. Specially, the vegetative growth of tomato in the 1st use substrate was restricted and leaf grew to a small and thick. However, no significant difference in fruit yield was found with the utilizing frequency of rice hull substrate in both crops, and the same results was also found in sugar content of tomato fruits. This study showed that reusing if rice hull substrate to the 3rd time was available to save a cost and to be stabilized a cultivation in cucumber and tomato plant.