http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
장태일,김상민,강문성,박승우,Jang Tae-Il,Kim Sang-Min,Kang Moon-Seong,Park Seung-Woo 한국농공학회 2006 한국농공학회논문집 Vol.48 No.2
This study analyze the hydrologic conditions and the effects of selected runoff characteristics as an attempt to estimate the optimal dredge amount for Asan Lake in Korea. The runoff feature was calculated by utilizing the water balance simulation from DIROM (Daily Irrigation Reservoir Operation Model), which allowed changes in landuse to be quantified using remote sensing for 14 years. The distribution of prospective sediment deposits was been tallied based on the changes in landuse, and quantity of incoming sediment estimated. From these findings, we were then able to simulate the fluctuation of water level, gauging the pumping days not already in use, to determine the frequency of the distribution for around the. requirement annual water storage and the changing water level. The optimal dredge amount was calculated on the basis of the distribution of frequency, taking into account the design criteria for agricultural water with the 10-year frequency of resistant capacity.
장태일,황세운,정한석,강문성,박승우,Jang, Tae-Il,Hwang, Sye-Woon,Jeong, Han-Seok,Kang, Moon-Seong,Park, Seung-Woo The Korean Society of Agricultural Engineers 2012 한국농공학회논문집 Vol.54 No.2
본 연구에서는 하수재이용에 따른 논에서의 토양염분 변화를 추정하기 위하여 경기도 화성시 수원환경사업소 인근에 위치한 병점지구를 대상으로 수문순환과 작물성장과의 관계를 고려한 SWAP (Soil-Water-Atmosphere-Plant) 모형을 이용하여 평가하였다. 실험에 사용한 관개용수는 지하수 (TR#1), 하수처리장 방류수+여과+UV (TR#3)로 분류하여 모형에 사용하였다. 유입관개수의 EC (Electrical Conductivity)는 지하수 관개수인 TR#1이 다른 처리구에 비해 작았고, TR#3의 경우 0.442~0.698 dS $m^{-1}$의 범위를 보였다. 모형의 보정과 검정을 위해서 대상지구에 FDR (Frequency Domain Reflection)을 설치하여 토양수분함유량과 염분농도를 토심에 따라 일단위로 모니터링 하였다. 토심 (50, 100, 140 cm)에 따른 토양함수량의 RMSE는 검정기간 중 TR#1에서 0.003~0.064 $cm^3\;cm^{-3}$, TR#3에서 0.001 $cm^3\;cm^{-3}$ 범위를 보여 주었고, 토양염분의 보정기간 중 토심별 RMSE는 TR#1에서 0.018~0.037 dS $m^{-1}$, TR#3에서 0.004~0.014 dS $m^{-1}$ 범위를 보여 적용성이 있는 것으로 나타났다. 토양내의 염분수지 분석 결과, 토양에서의 염분저장량이 (-)로 나타나 토양내로 침출되는 것으로 나타났으며, WMRI (Water Management Response Indicators)을 이용한 분석 결과, 높은 침투능으로 인하여 토양에서의 염분 집적 영향은 낮은 것으로 평가되었다.
운동 부하 심전도 검사에서 하벽부 유도의 진단적 유용성에 관한 고찰
장태일(Tae Il Jang),최종수(Jong Su Choi),박무인(Moo In Park),김지호(Ji Ho Kim),김병립(Byeong Lib Kim),우인기(In Kee Woo),이수정(Soo Jeong Lee),문익흥(Ik Heung Moon),주승재(Seung Jae Joo),이재우(Jae Woo Lee),이덕희(Duk Hee Lee) 대한내과학회 1995 대한내과학회지 Vol.48 No.3
Objectives: Many exercise test trials in patients with angina pectoris have demonstrated that precordial lead V5 is the best single lead as a marker for coronary artery disease. And the diagnostic value of ST segment depressions in the inferior leads is questionable. Methods: 170 patients had a standard exercise test and underwent diagnostic coronary angiography within 1 month of the exercise test. 71 patients had coronary artery disease (stenosis≥50%), whereas 99 patients did not. Sensitivity, specificity, and positive predictive value of each lead and lead groups were calculated to find the reliable leads. And the receiver operating characteristics(ROC) curves were used to compare the reliability between lead II and U5. Results: Multiple lead system had higher sensitivity than that of single lead system, but the specificity is decreased. Comparing the sensitivity and the specificity among each lead, lead V5 is the best single lead. ROC curve analysis also revealed that lead V5 (area=0.725) was markedly superior to lead II(area = 0.635) over multiple cut points(Z = 5.417; p < 0.01). However, the area under the lead II curve(0.635) was greater than 0.5(Z=3.05; p<0.01), suggesting that ST segment depression in lead II is also reliable for the identification of CAD. Conclusion: The precordial lead V5 is the best marker for identification of CAD in exercise test. An exercise - induced ST segment depression in the inferior leads is also valuable.
Landsat을 이용한 담수호의 수질, 수리 특성 분석
장태일 ( Jang Tae Il ),박승우 ( Park Seung Woo ),김상민 ( Kim Sang Min ) 한국농공학회 2003 한국농공학회 학술대회초록집 Vol.2003 No.-
Landsat-TM images were applied for evaluating the spatial variations of flow and water quality at the Saemankeum areas. For supervised classifications, the results from hydrodynamic mode ling and water quality data were compared to the reflectance characteristics of the satellite images. Multiple regression analyses indicated that suspended sediment, transparency, salinity, total nitrogen, and total phosphorus showed a good relationship to the signature. Supervised classifications showed spatial variations of the water environments at the areas under construction. The results showed the satellite imagery may be applied for the project areas with a reasonable degree of accuracy.
민간중대형임대주택수요자의 특성에 관한 연구 - 수도권 거주가구를 대상으로
장태일(Jang Tae-Il),장희순(Jang Hee-Soon) 한국주거환경학회 2005 주거환경(한국주거환경학회논문집) Vol.3 No.2
The purpose of this research is to provide the basic data of the government policy and plan in connection with the private medium-large size rental apartment. The progress and method of this research were done through examining and surveying the intention of moving into, the prefer size and region, and the feasible rent to analyze the characteristics of the potential users who want to reside the long-time rental apartment.<BR> This study is consist of five parts. The first part, it is organized with purpose, progress and method of this study. In the second part, the suggestions, researches and limits of the prior studies are arranged. In the third part, it is adjusted the normal chracterisctic of the survey"s summary and sample for analyzing the special quality of user. In the fourth part, it is examined the demand condition based on the result of survey. The survey is about the specific character of private medium-large size rental apartment demand. And with that result, it is analyzed the probability of choice about the long-time rental apartment which has the statistic confidence by using either the Proabilistic choice model or Logit model. The fifth part, it is described the conclusion and suggestion of this study. The conclusion of this study is that after analyzing the characteristic of the user"s preference, there are enough demand of long-time rental apartment. So the government supports are needed sufficiently to raise the market by offering government fund and reducing the price of supplying real estate.
황세운,장태일,박승우,강문성,Hwang, Sye-Woon,Jang, Tae-Il,Park, Seung-Woo,Kang, Moon-Seong 한국농공학회 2006 한국농공학회논문집 Vol.48 No.3
This study reviews the applicability of the GWLF (Generalized Watershed Loading Function) model, which is based on a loading function that requires only a relatively small amount of data, in a small agricultural watershed. The hydrological data was collected from 1996 to 2004 for a study area based on the HP#6 upper stream reservoir small watershed area. This data was then used to calibrate and verify the model. A simulation based on the model yielded $R^2$ values of $0.47\sim0.89$. This is considered to have high applicability when compared to the simulation and the observed results, which yielded relatively high values of $R^2$ for SS (Suspended Solid), TN (Total Nitrogen), and TP (Total Phosphorus) of 0.58, 0.47 and 0.62, respectively. This study provides a useful approach fur researchers selecting appropriate models to use the insufficient measuring data for rural watersheds.
정한석,성충현,장태일,정기웅,강문성,박승우,Jeong, Han-Seok,Seong, Choung-Hyun,Jang, Tae-Il,Jung, Ki-Woong,Kang, Moon-Seong,Park, Seung-Woo 한국농공학회 2011 한국농공학회논문집 Vol.53 No.4
The objectives of this study were to assess the rice yields and evaluate fertilizer reduction effect of reclaimed wastewater irrigation in paddy fields using the Decision Support System for Agrotechnology Transfer (DSSAT) v4.5 model. The experimental plots were designed, which was located near the Suwon wastewater treatment plant in Gyeonggi-do, Korea. The rice yield, irrigation amount, irrigation water quality and soil data were monitored and collected between 2006 and 2009. The DSSAT model was calibrated and validated with observed data. The methods that were used to evaluate this model were the root mean square error (RMSE), normalized root mean square error (nRMSE), and index of agreement (d). The values of RMSE, nRMSE, and d ranged from 145 to $789\;kg\;ha^{-1}$, 3.0 to 13.3 %, and 0.90 to 0.95 for the calibration period, respectively and represented from 91 to $538\;kg\;ha^{-1}$, 2.0 to 10.4 %, 0.94 to 0.98 for the validation period, respectively. Overall, this model showed good agreement with observed data of rice yields irrigated with reclaimed wastewater. The fertilizer reduction effect in paddy field of reclaimed wastewater irrigation was assessed about 60 % in 2008 and 40 % in 2009.