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박칠성,Park, Chil-Seong 한국방위산업진흥회 1993 國防과 技術 Vol.- No.167
일반적으로 잠수함은 핵추진 잠수함과 디젤추진 잠수함으로 구분되는데, 디젤추진 잠수함은 비교적 소형으로 값이 싸고, 상황에 따라서 핵추진 잠수함보다 용이하게 운용할 수 있으므로 그 존재가치가 아직도 크다고 할수 있습니다. 특히 디젤추진 잠수함용으로 폐회로 디젤기관, 스털링기관, 연료전지, 소형 원자로등의 추진방법이 개발되어 금세기안에 실용화되리라 예상되므로 수중지속능력에 대한 디젤추진방식의 제한점은 곧 극복되리라 판단됩니다
문윤희 ( Y H Moon ),황칠성 ( C H Hwang ),박형기 ( H K Park ) 한국축산학회 1973 한국축산학회지 Vol.15 No.1
The residues of sodium nitrite in meat products which made of lean pork which from 120㎏ of live weight gilts were investigated. In making the meat products, sodium nitrite was added to the meat by the same way as common pressed ham making. The results obtained are as follows; 1. The optimum level of sodium nitrite for the development of the attractive cooked cured meat color(CCMC) was found to be 0.04∼0.05% of lean meat in the case of the three day curing process. 2. The dried and smoked samples had more residues of sodium nitrite and higher degree of color development than the samples which were directly boiled without the aforementioned procedures. 3. Considering that the amounts of residues of sodium nitrite are much less than the level added to lean meats, the addition of sodium nitrite now on the market may be permissible up to human. This amount of residues are far below the tolerance level 70ppm set by the Ministry of Agriculture, Korea.