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버섯폐배지 발효사료 급여가 육계의 생산성에 미치는 영향
김정은 ( Jung Eun Kim ),박상국 ( Sang Kuk Park ),김태원 ( Tae Won Kim ),문만 ( Man Mun ),고재상 ( Jae Sang Koh ),정승기 ( Seung Ki Jeong ),국길 ( Kil Kook ) 한국가축위생학회 2010 韓國家畜衛生學會誌 Vol.33 No.4
This experiment was conducted to investigate the effect of fermented spent mushroom substrate (FSMS) on growth performance, blood profile, intestinal microflora and ammonia gas production of feces in broiler chickens. A total of three hundred sixty, 1-day-old male broiler chicks (Ross) were randomly divided into 3 groups with 6 replicates of 20 birds each. The treatments were control (free FSMS), 15% FSMS (basal diet with 15% FSMS) and 30% FSMS (basal diet with 30% FSMS). The final body weight and body weight gains were slightly improved in 30% FSMS than control (P<0.05). Feed intake and feed conversion were significantly improved as compared to those of the control groups. The Leukocytes of blood serum in FSMS groups were significantly decreased as compared to those of control groups. There are no significant differences among the groups in the contents of albumin (ALB), total cholesterol (TCHO), glucose (GLU), aspartate aminotransferase (AST) and alanine aminotransferase (ALT) in blood serum. The content of total glucose (TG) in 30% FSMS containing dietary groups was significantly decreased as compared to that of the control groups. The content of HDLC in 30% FSMS containing dietary groups was significantly increased as compared to that of the control group. The number of lactobacillus in the intestinal microflora were significantly increased in chicks fed FSMS groups. The ammonia gas production in FSMS groups was siginificantly decreased as compard to that the control groups. These results indicated that dietary FSMS exerted growth performance for feeding broiler.
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신명철,최형섭,최주,문만,김창용,이선홍 대한금속재료학회(대한금속학회) 1976 대한금속·재료학회지 Vol.14 No.1
特殊鋼의 性質을 改善하기 위한 일렉트로슬랙 再熔解法(ESR)을 開發하기 위하여 本硏究를 遂行하였다. 本硏究陳은 잉코트 容量 20 ㎏의 ESR 爐를 製作하였고, 1974年 11月 6日 試驗操業에 成功하였다. 그동안 이 爐를 써서 稼動條件을 달리 하여 S 45C, SCM 5 및 SUP 9을 熔解하였으며, 얻은 結果는 다음과 같다. 1) 電極-鑄型 直徑의 比가 클수록 熔解速度는 크고, 比電力消費量은 減少하였다. 2) 原來의 電極에 含有된 硫黃의 약 80%가 再熔解에 의하여 除去되었다. 3) 硫化物은 勿論, 酸化物과 같은 非金屬介在物도 大幅 除去되었다. 4) CaF₂-Al₂O₃系 슬랙에 있어서 Al₂O₃의 一部를 CaO로 代替하면 非金屬介在物을 줄이는데 더욱 效果가 있었다. 5) 再熔解된 잉고트는 健全하고 均一한 構造를 가졌으며, 또한 鋼의 靭性(toughness)을 크게 改善시켰다. The study has been carried out on the electroslag remelting process(ESR) for the production of the high quality specialty steel. We constructed the ESR furnace of capacity 20 ㎏ ingot. Employing the furnace, several kinds of specialty steels such as S 45 C, SCM 5 and SUP 9 were remelted under different conditions for obtaining fundamental data. The results are; 1) The melting speed is proportional to the fill ratio, whereas the specific power consumption is inversely to it. 2) Nearly 80% of the sulphur content can be removed from the original electrode through the process. 3) The process is very efficient in removing non-metallic inclusions such as oxides as well as sulphides. 4) The slag in which calcium oxide being partly substituted for the slag of fluorspar and alumina is more effective in removing non-metallic inclusions. 5) The remelted ingot has sound homogeneous structure, exhibiting the improvement in ductility.
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