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서해안과 남해안의 기수역과 연안해역에서 우점하는 요각류 곁노벌레과(Paracalanidae) 2종의 수온과 염분에 따른 분포 특성
문성용 ( Seong Yong Moon ),서민호 ( Min Ho Seo ),서호영 ( Ho Young Soh ) 한국환경생물학회 2011 환경생물 : 환경생물학회지 Vol.29 No.1
Distribution characteristics of two dominant paracalanids of the family Paracalanidae on temperature and salinity were studied in the brackish and coastal waters from the West and South coasts of Korea. Bestiolina coreana mainly occurs in a range of 29.8~31.3 psu salinity and temperature of more than about 20℃, while Paracalanus parvus s. l. mainly occurs in a range 17~20℃ temperature and more than 30 psu salinity. The fact clearly indicates that temperature and salinity was a major factors in spatio-temporal distribution between these two paracalanids.
문성용 ( Seong Yong Moon ),윤종섭 ( Jong Sup Yoon ),김건태 ( Geon Tae Kim ),김승현 ( Seung Hyun Kim ) 한국수처리학회 2002 한국수처리학회지 Vol.10 No.4
In these days, the study tendency of RO membrane desalination process is to operate high recovery rate by high pressure, evolution of the pre-treatment system and the energy saving system. This paper was application of RO membrane system as permeate volume is 0.3 ㎥/h. Theoretically ratio condition checked with operating pressure, recovery ration. Electric consumption calculated at the permeate flow. When it operated high recovery rate, to investigated energy saving effect and water quality as TDS(total dissolved solid), Cl^-. The result of this study, increased application pressure at 85 ㎏f/㎠ as recovery rate was proportional to increased 50 %. But over 85 ㎏f/㎠ not proportional increased recovery rate. its range was 50∼55 %. When application of high recovery rate(50 %) resulted that stable water quality and 30 % energy saving effect conventional recovery rate. So desalination system designed small.