| 2003-12 | A Study of CO2 Removal: Controlling of CO2 in Pipe-line Transportation Process | 이재성; 잔짓; 이수원 |
| 2005-03 | A Study of Corrosion and Scale Prevention in the Iron and Galvanized Steel Pipe at Water Distribution System | 이재성; 이수원; 민경희 |
| 2003-12 | A Study of the Efficiency of Wastewater Treatment by Flow Injection Analysis | 이재성; 이원; 장해종; 이수원; Nguyen Viet Tung |
| 2003-09 | A Study on the Degradability of Organic Compounds and Natural Purification of Stream in the Water Resource Protection Area | 이재성; 박두현; 이수원 |
| 2001-03 | A study on the dertimination of efficiency for waste water treatment system by means of ecotest | 이재성; 이수원; 이학주; 김용준 |
| 2004-03 | A Study on the Development of On-Site Detection Method and the Investigation of Water Quality | 이재성; 이수원; 민경희; 장해종 |
| 2001-06 | A study on the electric conductivity of soils contaminated at various conditions | 이재성; Min-Woo Jung; 이수원 |
| 2003-06 | A study on the evaluation of water quality for Tancheon and Yangjaecheon stream by on-site detection method | 이재성; 이원; 장해종; 이현준; 이수원; N.V. Tung |
| 2001-12 | A study on the measurement of biofilm thickness in the wastewater treatment process by the electric media | 이재성; 박두현; 이수원 |
| 2004-11 | A study on the on the constitution and application of FIA for analyzing phosphate | 이재성; 장해종; 이수원 |
| 2004-04 | A Study on the Reaction-Stoichiometry of Autotrophic Denitrification based on Growth Characteristic of Microorganism | 이수원; 김규동; 최영균; 김동한; 정태학 |
| 2002-12 | A study on the survey of water quality by the analysis of components causing eutrophication in Tanchon | 이재성; 이원; 이수원; N. V. Tung; 장해종 |
| 2003-03 | A study on the survey of water quality in Pal-Dang water reservation area by the on-site analysis | 이재성; 이수원 |
| 2002-03 | Assessment of polluting situation of Han River water basing on anions determination by ion chromatography | Mguyen Viet Tung; 이수원; 이재성 |
| 2005-12 | Phytoremediation: carbon dioxide (CO2) and nutrient removals by aquatic plant treatment system (APTS) | 잔짓; 이재성; 이수원 |
| 1989-01 | Preparation of Polycrystalline Mullite Fiber Using the Sol-Gel Technique | 정형진; 김경용; 김윤호; 이수원; 김구대 |
| 2003-09 | The Assessment and Potential Usage of Aquatic Macrophytes in Constructed Wetland for Removing Water Polluted with high Nutrients | 이재성; 이수원; 잔짓 |
| 2002-03 | The evaluation method based on the concentration of salinity and sulfate by ion chromatography on surface water | 이재성; 이수원; Nguyen Viet Tung |
| 2002-12 | The evaluation of eutrophic state on Paldang water reservation area using chloride to sulfate ratio by on site ecotest and IC | 이재성; 이수원; 장해종; Nguyen Viet Tung |
| 2004-12 | The evaluation of wastewater treatment characteristics of A2/O process using electrified media | 이수원; 이재성; 잔짓 |
| 2002-09 | The trend of water quality of Han river at side stream after Paldang Dam in apring season with feasible method for surface water evaluation | 이재성; Nguyen Viet Tung; 이수원 |
| 2001-12 | The water quality as anions of the Han River around water reservation area by noble ion exchange chromatography | Nguyen Viet Tung; 이수원; 정지형; 이재성 |
| 2006-07-12 | 고강도 방수성 연잎 분말 및 그 제조 방법 | 이재성; 이석헌; 민경희; 이수원 |
| 2006-10-13 | 광물 성분을 함유한 생분해성 폴리머 | 이재성; NGUYEN VIET; 이수원 |
| 2006-11-02 | 누룩 활성화액 및 그의 제조방법 | 이수원; 이석헌; 이재성 |
| 2007-07-11 | 누룩 활성화액을 이용한 석창포 또는 은행잎 조성물 및 그 제조 방법 | 민경희; 이수원; 이재성 |
| 1992-10-20 | 다결정 뮬라이트 섬유 및 그의 제조방법 | 김경용; 이수원; 정형진 |
| 2007-09-10 | 다단형 광생물 반응조 | 이재성; 이석헌; 잔짓; 이수원 |
| 2007-01-18 | 무전력 간이 정수 처리조 | 이재성; 이규성; 이수원 |
| 2009-05-11 | 물의 경도 측정 키트 및 이를 사용하는 측정 방법 | 이수원; 이재성 |
