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      • KCI등재
      • KCI등재
      • KCI등재

        효소제와 미생물제제의 첨가 급여가 육계의 생산성, 도체성적, 장내 미생물 및 계분 악취에 미치는 영향

        박철주(Cheol Ju Park),선상수(Sang Soo Sun) 한국가금학회 2020 韓國家禽學會誌 Vol.47 No.4

        본 실험은 육계사료에 효소제와 미생물제제의 첨가가 육계의 생산성, 도체성적, 장내미생물 및 분뇨의 악취성상에 미치는 영향을 조사하기 위해 실시되었다. 병아리(2일령, Ross 308, 육계) 180수를 공시했으며, 대조구와 사료에 metallo-protease를 0.1%, 0.2%씩 첨가한 0.1% EZ군, 0.2% EZ군과 2.0% Bacillus velezensis CE를 사료에 첨가한 M군과 사료와 음수에 2.0%씩 첨가한 MW군으로 나누어, 5처리 3반복으로 반복 당 12수씩 임의배치하였다. 적응기간을 거친 후 전기 3주간, 후기 3주를 포함하여 총 43일 동안 사양하였다. 종료체중, 증체량, 사료요구율, 단백질효율, 에너지효율은 모든 처리에서 유의적인 차이를 나타내지 않았다. 도체중, 선위, 근위, 심장, 소장, 맹장, 직장의 무게는 모든 처리에서 유의적인 차이를 나타내지 않았으나, 간의 무게는 0.1% EZ군이 대조구, M군, MW군보다 유의적으로 높았다(P<0.05). Total bacteria 수는 0.1% EZ군과 0.2% EZ군이 대조구, MW군보다 유의적으로 높았다(P<0.05). E. coli 수는 MW군이 대조구와 M군보다 유의적으로 낮았으며(P<0.05), M군은 0.2% EZ군과 MW군보다 유의적으로 높았다(P<0.05). 계분의 황화수소 발생량은 모든 처리간에 유의적인 차이는 없었으나, 암모니아 발생량은 0.1% EZ군이 MW군 보다 유의적으로 높았다(P<0.05). 본 실험결과, 단백질 분해 효소제를 0.1% 첨가할 경우 육계의 장기 중 간의 발달에 효과적임을 보였으나, 첨가수준별로 유의적인 차이가 없어 추후 연구가 필요하다고 판단되며, 미생물제제의 첨가는 장내 미생물과 계분의 악취 발생량을 개선시키는 효과가 있음을 보였다. This experiment was conducted to investigate the effect of the addition of enzymes and microorganisms to broiler feed on productivity, carcass characteristics, intestinal microflora, and feces odor. A total of one-hundred eighty 180 chicks (Ross 308) were randomly assigned to 5 treatments with 3 replications each having 12 birds per pen. The experimental group was divided into 0.1% EZ group (0.1% metallo-protease added to the feed), 0.2% EZ group (0.2% metallo-protease added to the feed), M group (2.0% Bacillus veleznesis CE 100 added to the feed), and MW group (2.0% Bacillus veleznesis CE 100 added to the feed and drinking water). In the results, final body weight, body weight gain, the feed conversion ratio, protein efficiency, and energy efficiency were not significantly different among all treatments in across all periods. Carcass weight, proventriculus, gizzard, heart, small intestine, cecum, and rectum weight were not significantly different among all of the treatments. However the liver weight was significantly higher in the 0.1% EZ group than in the control, M and MW groups (P< 0.05). E. coli was significantly lower in MW than in the control and M (P<0.05), and it was significantly higher in the M than 0.2% EZ and MW (P<0.05). H2S emissions in feces was not significantly different among all treatments, but NH₃ emissions was were significantly higher in 0.1% EZ than in MW (P<0.05). In conclusion, the addition of 0.1% of metallo-protease was effective in the development of the liver of broilers.

      • KCI등재

        증례 : 호남지역에서 내시경으로 진단된 호르텐스극구흡충 감염 1예

        박철주 ( Cheol Ju Park ),김진 ( Jin Kim ) 대한내과학회 2006 대한내과학회지 Vol.71 No.2

        전라남도 화순군에 거주하며 미꾸리를 생식한 후 상복부통증, 구역, 구토를 주소로 내원한 75세의 여성 환자에게 내시경을 시행하여 십이지장 점막에서 극구흡충을 발견한 후 적출하였으며, 충란과 충체에 대한 다양한 형태학적 검사를 통해 호르텐스극구흡충증으로 진단하고, 본 증례가 갖는 의의를 문헌고찰과 함께 보고하는 바이다. Echinostomiasis is an endemic parasitic infection of humans in Korea, especially eastern areas. An Echinostoma infection was diagnosed by gastroduodenoscopy from a 75-year-old Korean female living in Hwasun-gun, Jeollanam-do. She complained of nausea, vomiting and epigastric pain that had persisted for 1 month. Two live worms were attached to the mucosal surface of the duodenal bulb area. After they were removed using an endoscopic forceps, the symptoms were gradually relieved. The worms were identified as Echinostoma hortense by egg morphology, visceral locations and tegumental ultrastructures. Microscopic examination of endoscopic biopsy specimens revealed infiltration by chronic inflammatory cells. In this case, the source of the infection was the loaches purchased from local fish markets located at Hwasun-gun. This is the 5th case of E. hortense infection diagnosed by endoscopy and the 1st case reported in area of southwestern Korea.(Korean J Med 71:229-234, 2006)

      • KCI등재
      • KCI등재
      • KCI등재
      • KCI등재

        『대명률직해(大明律直解)』의 조사 "과(果)"와 『육조법보단경언해(六祖法寶壇經諺解)』의 조사 "와/과"의 의미에 대한 비교 연구

        박철주 ( Cheol Ju Park ) 대한언어학회 2008 언어학 Vol.16 No.2

        Usage about postposition `果[gwa]` with usage postposition `와[wa]/과[gwa]` in "六祖法寶壇經諺解[yukjobeopbodangyeongeonhae]" is some different to "大明律直解[daemyeongnyuljikhae]". Therefore, this study is about the kind of analysis that we can give to these usages. The objective of this study was to reveal about relationship of meaning with `果[gwa]` in "大明律直解[daemyeongnyuljikhae]" and `와[wa]/과[gwa]` in "六祖法寶壇經諺解[yukjobeopbodangyeongeonhae]". So far, very little has been done in this direction. Relationship of meaning with `果[gwa]` and `와[wa]/과[gwa]` have not, so far, been noticed, nor have they been studied in detail. So, the objective of this study was to reveal the difference of meaning of postposition `果[gwa]` in "大明律直解[daemyeongnyuljikhae]" and `와[wa]/과[gwa]` in "六祖法寶壇經諺解[yukjobeopbodangyeongeonhae]". However, this present paper was limited in "大明律直解[daemyeongnyuljikhae]" and "六祖法寶壇經諺解[yukjobeopbodangyeongeonhae]". Therefore, results of this study leave more to be investigated and analyzed. Any inaccuracies which remain are, of course, my own.

      • KCI등재
      • KCI등재후보

        혈소판 응집능에 미치는 인슐린의 in vitro 효과에 관한 연구

        박철주(Cheol Ju Park),조재현(Jae Hyun Cho),강호철(Ho Cheol Kang),선영덕(Young Duck Sun),양승원(Seung Won Yang),정민영(Min Young Chung),이태희(Tai Hee Lee) 대한내과학회 1996 대한내과학회지 Vol.51 No.1

        N/A Objectives: It has been suggested that functional abnormalities of platelets play a role in the pathogenesis of diabetic macro- and microangiopathy. Platelets obtained from diabetic patients have been shown to exhibit increased sensitivity to aggregating agents. It was reported that insulin influence on platelet and the long term insulin deficiency might account for the enhanced platelet aggregability frequently observed in diabetic patients. Our aim in this study was to clarify the influence of insulin on platelets in vitro. Methods: We investigated the effects of insulin on platelets response by incubating PRP(platelet rich plama) at 37℃ with different concentrations of the insulin for 5 or 30 min before adding the aggregating agents. Insulin final concentratons were 40, 100μIU/ml, assuming that the basal insulin concentration of PRP is 10 μIU/ml. The responses of platelets to ADP(adenosine diphosphate) and collagen were examined under basal conditions and after the addition of insulin, and they were quantified as the maximal aggregation(M) and T1/2(time consumed to reach 50% of the maximal aggregation). Results: 1) The subjects aged 27.4±2.5(mean±SE) years with body weight 62.5±6.3 kg. 2) The maximal aggregation of the control platelet in response to ADP(60.3±2.7%) was significantly reduced after PRP incubation for 30 min with 40 μIU/ml insulin(52.7±2.7%, 100 μIU/ml insulin(48.7±3.2%) (p<0.01). 3) The T1/2 of the control platelet in response to ADP(30.9±1.9sec) was significantly increased after PRP incubation for 30 min with 40pIU/ml insulin (36.6 ±1.7sec), 100 p μIU/ml insulin(38.3±1.7sec) (p<0.01). 4) The maximal aggregation of the control platelet in response to ADP(60.3±2.7%) was significantly reduced after PRP incubation for 5 min with 100 μ IU/ml insulin(56.9±2.5%), PRP incubation for 30 min with 100 μIU/ml insulin(48.7+3.2%)(p<0.01). 5) The T1/2 of the platelet incubated for 5 min in response to ADP(31.9±2.1sec, 32.5±2.0sec) was significantly increased after 30 min of incubation(36.6 ±1.7sec, 38.3±1.7sec) at 40μIU/ml, 100μIU/ml insulin concentration(p<0.01). 6) The maximal aggregation of the control platelet in response to collagen (63.9±2.8%) was significantly reduced after PRP incubation for 30 min with 40 p IU/ml insulin(58.3±3.0%), 100μIU/ml insulin(55.1±3.3%) (p<0.01). 7) The maximal aggregation of the control platelet in response to collagen(63.9±2.8%) was significantly reduced after PRP incubation for 5 min with 100 μIU/ml insulin(57.8±2.9%), PRP incubation for 30 min with 100 μIU/ml insulin(55.1±3.3%)(p<0.01). Conclusion: Insulin reduces the platelet response to ADP, collagen in vitro, especially in 30 min PRP incubation at same concentration.

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