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찰가자미 자어에 있어서 먹이생물의 영양강화을 위한 해양세균 ( Erythrobacter sp. Sπ-1 ) 의 이용
강석중(Seok Joong Kang),임영수(Yong Su Lim),박상언(Sang Un Park),이원재(Won Jae Lee),최병대(Byeong Dae Choi),박흠기(Huem Gi Park),박유수(You Soo Park),오혜영(He Young Oh) 한국수산과학회 1999 한국수산과학회지 Vol.32 No.6
This study was performed to compare the effect of enrichement of rotifer and Artemia fed marine bacteria (Erymrnbatoer sp. Sπ-1) with those fed the different diets (Super Selco, ω-yeast and marine Chlorella) on the slime flounder larvae, Microstomus achne. Because the ratio of docosahexaenoic acid (DHA) to fatty acids in rotifer (dry weight %) fed on Super Selco and ESP-SR including Erythrobatcer sp. Sπ-1 was higher than that in rotifer fed marine Chlorella, the growth of the slime larvae fed the former showed better than the latter. And the ratio of DHA and highly unsaturated fatty acid (n-3 HUFA) to fatty acids in Artemia (dry weight %) enriched by ESP-A including Erythrobatcer sp. Sπ-1 were also higher than those in Artemia enriched by others or Artemia without enrichment. Larvae fed on Artemia enriched by ESP-A showed better growth and survival rate than those fed on Artemia enriched by others or Artemia without enrichment. With regard to dietary value of Erythrobatcer sp. Sπ-1, its use could improve the quality of the live foods for the slime flounder larvae.
배합사료내 오징어분 , 먹이유인물질 , 한약제 및 lecthin 의 첨가가 참전복의 성장 및 체성분에 미치는 영향
이상민(Sang Min Lee),임영수(Yong Su Lim),이종관(Jong Kwan Lee),박승렬(Sung Real Park),명정인(Jeong In Myeong),박윤정(Yun Jeong Park) 한국수산과학회 1999 한국수산과학회지 Vol.32 No.3
An 18-week growth trial was conducted in flow-through aquarium system to investigate the effects of several additives in formulated diets on the growth and body composition of juvenile abalone (Haliotis discus hannai). Four replicate groups of abalone averaging 150 ㎎ were fed one of four isonitrogenous (33.8%) and isolipidic (5.8%) diets containing 5% squid meal, 0.5% attractant, 1% herb or 0.5% lecithin. In addition, these formulated diets were compared to commercial diet. Survival rate and shell growth of abalone were not significantly affected by the different dietary additives and commercial diet (P>0.1). Body weight gain of abalone fed the diet containing herb was higher than those of abalone fed the diets containing squid meal or lecithin and commercial diet (P<0.1). Moisture, protein, lipid and ash contents of soft body were not influenced by dietary additives and commercial diet (P>0.1). The results suggest that herb as additive in this formulated diet can improve weight gain of abalone.
김남훈(Kim Nam Hoon),임영수(Lim Young Su),신용준(Shin Yong Joon) 한국철도학회 2007 한국철도학회 학술발표대회논문집 Vol.- No.-
The railroad systems with the ballast tracks have been widely used for a long time. But recently, the use of the slab track is being increased gradually with a technical developments. So, this paper deals with the appliance of the slab tracks on the railroad bridges. Firstly, review the design criteria of the railroad bridges related to the slab tracks for the stability and serviceability, based on DIN and EURO code. Then, perform the analysis of the railroad prestressed concrete bridges, and check whether the results of the analysis satisfy the design criteria. Finally, find the construction condition of bridges that all the design criteria are satisfied. As a result, to maintain the stability and serviceability of the bridges, bridges must have some restrictions, including a time of installation of the slab tracks. So, the construction schedule for the erection of the bridges will be carefully considered in case of the concrete railroad bridges with the slab tracks.