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        검색결과 816

        463.
        1992.03 KCI 등재 구독 인증기관 무료, 개인회원 유료
        4,200원
        469.
        1990.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The purpose of this research is to develop the design/control method that can be used for the improvement of harbour tranquility and water quality of fishing ports. For this end, firstly, the hydraulic environmental characteristics of fishing ports in the coastal waters of the Korean Peninsula are analysed and discussed combined with disasters of facilities and vessels in the ports. Secondly the problems of water quality control is pointed out considered with the improvement measures of harbour tranquility such as the methods of lengthen of main breakwaters and construction of wave absorbing structures. Finally, the control characteristics of composite functions of water quality and tranquility of fishing port are discussed and the improved control method si proposed using the experimental results for the various measures. The proposed measure is proved to be a applicable method to improve these two main functions on the design of fishing port.
        4,300원
        476.
        1990.08 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Fractional composition of surface and core sediment samples were analysed to collect quality improvement and weed control in eutrofied brackish Lake Kyungpo. Fractional scheme for sediment phosphorus was made for four chemically defined phosphorus forms as adsorbed phosphorus, nonapatite inorganic phosphorus, apatite phosphorus and residual phosphorus. The analysis of surface sediment samples shows that Lake Kyungpo sediments have high labile phosphorus fraction and thus have high water pollution potential. It was found that no significant water quality improvement could be expected by dredging down to 1.0m depth of sediments.
        4,000원