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      • 한우의 산유량(産乳量) 및 유조성(乳組成)에 관한 연구 : I. 영양수준이 처여우(處女牛) 및 경산우에 있어서 산유량과 유조성에 이치는 영향 I. The effects of nutritional level on milk yield and milk composition inheifers and cows

        임종우,유제현 한국낙농학회 1983 韓國酪農學會誌 Vol.5 No.2

        A series of experiment was conducted to study the milk producing capacity and the physicochemical properties of Korean cow's milk. Three heifers weighing 255.4㎏ of average body weight on normal level (H-N), 3 cows weighing 317.8㎏ of average body weight on low level (C-L) and 3 cows weighing 320.0㎏ of average body weight on normal level (C-N) based on the requirements of suckling beef cattle in NRC (1976) were raised for experimental period. Experiment I was carried out to investigate the effects of nutritional level on milk yield and milk constitutents of heifers and cows on the experimental diets during lactation. Also lactation curves of H-N, C-L and C-N on the experimental diets were established by Wood'a method (1969). The results obtained are summarized as follows: 1. Average daily milk yields of H-N, C-L, C-N and all the groups per cow were 1.496. 1.583, 1.781 and 1.620㎏ respectively. There were no significant differences in daily milk yield between H-N and C-L, C-L and C-N but significant difference (P< 0.01) between H-N and C-N. 2. The maximum and minimum milk yields of H-N, C-L and C-N were 504.7O and 273.35kg, 614.53 and 297.80㎏ and 705.65 and 350.46㎏, respectively. Average milk production performance of H-N, C-L, C-N and all the groups during lactation period were 317.00, 408.41, 482.12 and 420.51㎏, respectively. Actually peak daily yield of H-N, C-L and C-N were 4.50, 4.70 and 5.25㎏, respectively. The expected days reaching to the peak daily yield, and maximum daily yield in the lactation curves of H-N, C-L, C-N and all the groups were 26.91 days and 2.82㎏, 41.59 days and 3.29㎏, 33.52 days and 3.34㎏, and 34.43 days and 3.09㎏, respectively. 3. Within 12 weeks of lactation H-N, C-L and C-N produced more than 50% of milk yield in one lactation period, respectively. There were significant differences (P < 0.05) in weekly milk yield by the 12th,16th and 24th week of lactation between H-N and C-N. 4. The shortest and the longest laction periods of H-N, C-L and C-N were 217 and 280, 248 and 284, and 234 and 296 days, respectively. Average lactation period of H-N, C-L, C-N and all the groups were 248.0, 258.0, 270.7 and 258.9 days, respectively. 5. The average content of moisture, TS, SNF, fat, protein, lactose and ash in milk were 86.49, 13.51, 9.03, 4.48, 4.00, 4.32 and 0.71% in H-N, 86.94, 13.06, 8.97, 4.09, 3.84, 4.43 and 0.70% in C-L, 87.27, 12.73, 8.81, 3.92, 3.70, 4.42 and 0.69% in C-N, and 86.90, 13.10, 8.94, 4.16, 3.85, 4.39 and 0.70% in all the groups, respectively. There were significant differences (P < 0.05) in moisutre, TS, fat, protein and ash between H-N, C-L and C-N. 6. The lactation curve equations of H-N, C-L, C-N and all the groups were as follows: (수식)

      • KCI우수등재

        한국 재래산양유의 극성지질 및 지방산조성

        임종우 한국축산학회 1984 한국축산학회지 Vol.26 No.7

        This experiment was carried out to analyze the composition of polar lipids and its fatty acid in colostrum and normal milk from Korean native goats by thin-layer chromatography and gas-liquid chromatography. The results obtained were summarized as follows: 1. Polar lipids in colostrum and normal milk consisted of ceramide monohexoside, phosphatidyl ethanolamine, ceramide dihexoside, phosphatidyl choline, sphingomyelin, lysaphosphatidyl choline and an unidentified compound. Their contents of polar lipids in colostrum and normal milk were 8.29 and 10.66%, 20.87 and 18.35%, 27.82 and 25.08%, 27.82 and 32.69%, 2.81 and 5.87%, 6.29 and 7.44%, and 0.76%, respectively. 2. There were tendencies to increase the content of phosphatidyl choline and to decrease that of ceramide dihexoside from colostrum to normal milk. The contents of phosphatidyl ethanolamine and spingomyelin showed the tendencies to increase and decrease but those of ceramide monohexoside and lysophosphatidyl choline showed the very irregular transition from colostrum to normal milk. 3. The main fatty acid composition of polar lipids in colostrum and normal milk were C14:0, C16:0, 018:0 and C18:1. Their contents in colostrum and normal milk were 6.76 and 6.00%, 28.84 and 30.72%, 16.76 and 15.02%, and 29.67 and 28.07%, respectively. 4. The contents of the essential fatty acid in colostrum and normal milk were 4.88 and 5.48%, respectively. 5. The contents of unsaturated fatty acid in colostrum and normal milk were 35.91 and 35.63%, respectively. 6. Both unsaturation indexes in colostrum and normal milk were 0.56. 7. O/P ratios (oleic/palmitic acid) in colostrum and normal milk were 1.03 and 0.91, respectively. 8. Both P/S ratios (polyunsaturate, C18:2 and C18:3/saturate) in colostrum and normal milk were 0.08. 9. There were tendencies to decrease the contents of short chain fatty acid (except C8:0), C14:0 and 016:0 but to increase those of C18:0 and C18:1 from colostrum to normal milk. Also the contents of C18:2 and C18:3 showed the tendencies to increase and to decrease as the postpartum progressed, respectively.

      • KCI등재

        일본 중등교육의 지식재산 교육 동향 및 시사점 분석 연구

        임종우,나동규 홍익대학교 법학연구소 2022 홍익법학 Vol.23 No.3

        본 연구는 일본 중등교육의 지식재산 교육 운영 동향 전반에 대하여 살펴봄으로써, 현재일본이 지식재산 교육과정에서 강조하는 것이 무엇인지 분석하고 그 시사점을 제안하였다. 우리나라는 국가 전반의 지식재산 수준을 높이고자 2011년에 지식재산 기본법을 제정하였고, 이 과정에서 시기적으로 앞서 제정되었던 일본의 지적재산 기본법을 참고하였다. 일본은 지난 2003년 지적재산 기본법을 시행하며 국가적인 지식재산 전략을 수립하여 운영하기시작하였고, 지식재산 교육을 위하여 바람직한 지식재산 인재상을 시대의 변화에 맞춰 제시하였다. 문부과학성은 이를 근거로 다양한 분야 전문가들과 협력하여 중등학교 교육현장의 현실이 반영된 지식재산 교육정책을 추진한 결과, 현재 지적재산 창조교육이 운영되고있다. 일본은 지식재산 강국으로 향하는 길에 속도보다는 방향을 중요시하였으며 미래세대의 지식재산 인재 양성 방법의 하나로 중등교육에서의 지식재산 교육을 제시하였고, 우리나라보다 앞서 그 길을 출발하였다. 일본과 마찬가지로 중등교육에서의 지식재산 교육을국가 차원의 지식재산 전략 중 하나로 여기고 있는 우리나라의 경우, 일본의 사례는 좋은참고자료가 될 수 있다.

      • 한국재래산양유에 있어서 Polyacrylamide Gel 전기영동법(電氣泳動法)과 Sephadex Gel 여과법(濾過法)에 의한 Whey 단백질의 분획(分劃)

        임종우,장판형,박구부 한국낙농학회 1986 韓國酪農學會誌 Vol.8 No.1

        本 實驗은 韓國在來山羊의 初乳(分娩後 2日까지), transition milk(3∼7日) 및 當乳 (8日∼2個月)에 대해 polyacrylamide gel electrophoresis(PAGE)와 sephadex G-100 gel濾過法에 의해 whey 蛋白質의 組成 및 分劃을 分析하기 위하여 實施되었으며, 얻어진 結果를 要約하면 다음과 같다. 1. 在來山羊의 初乳, transition milk 및 當乳에 있어서 whey 蛋白質은 PAGE에 의해 4個의 分離帶로 分離되었으며 이는 immunoglobulin, blood serum albumin, β-lactoglobulin 및 α-lactalbumin으로 認定되었다. 2. 初乳, transition milk 및 常乳에 있어서 immunoglobulin의 比率은 各各 44.6, 12.6 및 11.1%, blood serum albumin은 各各 11.1, 11.0 및 11.5 %, β-lactoglobulin은 各各 34.2, 54.2 및 51.1%, α-lactalbumin은 各各 10.2, 22.3 및 20.3%의 比率을 나타내었다. 3. Immunoglobulin은 分娩後 3日부터 급격히 減少한 反面 β-lactoglobulin 및 α-lactalbumin은 分娩後 3日째부터 급격히 增加하는 傾向을 나타내었다. 그러나 blood serum albumin은 分晩後 常乳에 이르기까지 거의 비슷한 水準이었다. 4. pH 7.0의 0.02 M phosphate buffer로서 Sephadex G-100 濾過에 의한 在來山羊乳의 whey 蛋白質은 4個의 分劃으로 分別되었다. 5. 初乳, transition milk 및 常乳에 있어서 分劃 F-1은 各各 57.3, 13.0 및 10.2%, F-2는 各各 19.8, 30.1 및 38.3%, F-3는 各各 10.5, 29.7 및 33.9%, F-4는 各各 8.5, 27.2 및 17.6%의 分布比率을 나타내었다. 6. F-1 및 F-3 分劃은 分娩後 3日째까지 各各 급격히 減少 및 增加하였으나 그 以後 常乳까지는 비슷할 水準이었으며, F-2 및 F-4分劃은 初乳에서 常乳까지는 상당히 增減하는 傾向을 나타내었다. This experiment was conducted to analyze the components of whey protein in colostrum (1 to 2 days), transition milk (3 to 7 days) and mature milk (8 days to 2 months) from Korean native goats by polyacrylamide gel electrophoresis (PAGE) and Sephadex G-100 gel filtration. The results obtained were summarized as follows: 1. The patterns of whey protein in colostrum, transition milk and mature milk from Korean native goats by PAGE were separated in to 4 bands: these bands correspond to immunoglobulin, blood serum albumin, β-lactoglobulin and α-lactalbumin. 2. The proportions of immunoglobulin in clostrum, transition milk and mature milk were 44.6, 12.6 and 11.1%, blood serum albumin 11.1, 11.0 and 11.5%, β-lactoglobulin 34.2, 54.2 and 55.1%, α-lactalbumin 10.2, 22.3 and 20.3%, respectively. 3. While the proportion of immunoglobulin was decreased rapidly from 3rd day after parturi tion, those of β-lactoglobulin and α-lactalbumin showed the tendencies to increase rapidly from 3rd day after parturition. But that of blood serum albumin was almost similar level from colostrum to matrue milk. 4. By Sephadex G-100 gel filtration with 0.02M phosphate buffer, pH 7.0, whey protein elutions in Korean native goats' milk were fractionated into 4 fractions. 5. The proportions of F-1 fraction in colostrum whey, transition milk whey and mature milk whey were 57.3, 13.0 and 10.2%, F-2 fraction 8.5, 27.2 and 17.6%, respectively. 6. The proportions of F-1 and F-3 fraction showed to decrease and to increase rapidly for 3 days after parturition, respectively, but those of F-2 and F-4 fraction showed the tendencies to increase and decrease considerably from colostrum to mature milk, respectively.

      • 한우의 산유량 및 유조성에 관한 연구 : V. 초유 및 정상유에 있어서 TLC 및 GLC 에 의한 중성지질분석(中性脂質分析) V. Analysis of neutral lipids in colostrum and normal milk from Korean cows by thin - layer and gas - liquid chromatography

        임종우,유제현 한국낙농학회 1984 韓國酪農學會誌 Vol.6 No.1

        本 實驗은 乳脂質의 中性脂質組成 및 脂肪酸組成을 分析하기 위하여 韓牛의 處女牛외 經産牛의 初乳 및 正常乳에 對해 thin-layer chromatography(TLC)와 gas-liquid chromatography(GLC)에 依해 分析되었으며 얻어진 結果를 要約하면 다음과 같다. 1. 處女牛 및 經産牛에 있어서 初乳 및 正常乳의 中性脂質은 sterol ester 및 hydrocarbon, triglyceride, free fatty acid, 1,3-diglyceride, 1,2-diglyceride, sterol, monoglyceride 및 末確認成分으로 構成되어 있었다. 初乳 및 正常乳에 있어서 triglyceride, free fatty acid, 1,3-diglyceride, 1,2-diglyceride , sterol 및 monoglyceride의 含量은 處女牛에 있어서 特各 70.95와 71.75%, 5.81과 6.53%, 6.27과 4.42%, 7.33과 6.85%, 1.06과 1.46%, 0.76과 0.78%였으며 經産牛에 있어서 各各 61.38과 59.48%, 3.70과 5.89%, 12.61과 10.01%, 10.60과 7.63%, 1.61과 3.19%, 0.88과 2.64%이였고, 全平均은 各各 66.16과 65.62%, 4.76과 6.21%, 9.44와 7.22%, 8.97과 7.24% 1.34와 2.33%, 0.82와 1.71%이였다. 2. 處女牛 및 經産牛에 있어서 初乳 正常乳의 中性脂質의 主膣肪酸은 capric , lauric, myristic, palmitic, stearic 및 oleic acid이었다. 初乳와 正常乳에 있어서 capric, lauric, myristic, palmitic, stearic 및 oleic acid의 含量은 處女牛에 있어서 各各 5.81과 7.20%, 7.55와 7.99%, 18.64와 15.38%, 30.49와 26.87%, 11.73과 10.46%, 19.07과 21.58%였으며 經産牛에 있어서는 各各 3.63과 4.46%, 7.24와 7.37%, 20.67과 18.30%, 30.66과 27.14%, 10.68과 11.94%, 19.91과 23.38%였고 全平均은 各各 4.72와 5.83%, 7.40과 7.68%, 19.41과 16.84%, 30.58과 27.01%, 11.21과 11.20%, 19.49와 22.48%이였다. This experiment was carried out to know the composition of neutral lipids and their fatty acid in colostrum and normal milk from Korean cows by thin-layer chromatography(TLC) and gas-liquid chromatography(GLC). The results obtained were summarized as follows ; 1. Neutral lipid in colostrum and normal milk from cows consisted of sterol ester, hydrocarbon, triglyceride, free fatty acid, 1,3-diglyceride, 1,2-diglyceride, sterol, monoglyceride and an unidentified compound by TLC. The contents of triglyceride, free fatty acid, 1,3-diglyceride, 1,2-diglyceride, sterol and monoglyceride of neutral lipid in colostrum and normal milk were 70.95 and 71.75%, 5.81 and 6.53%, 6.27 and 4.42%, 7.33 and 6.85%, 1.06 and 1.46%, and 0.76 and 0.78% in heifers, 61.38 and 59.48%, 3.70 and 5.89%, 12.61 and 10.01%, 10.60 and 7.63%, 1.61 and 3.19%, and 0.88 and 2.64% in cows, 66.16 and 65.62%, 4.76 and 6.21%, 9.44 and 7.22%, 8.97 and 7.24%, 1.34 and 2.33%, and 0.82 and 1.71% in total average, respectively. 2. The main fatty acid composition in colostrum and normal milk from cows were capric, lauric, myristic, palmitic, stearic and oleic acid. Their contents in colostrum and normal milk were 5.81 and 7.20%, 7.55 and 7.99%, 18.14 and 15.38%, 30.49 and 26.87%, 11.73 and 10.46%, and 19.07 and 21.58% in heifers, 3.63 and 4.46%, 7.24 and 7.37%, 20.67 and 18.30%, 30.66 and 27.14%, 10.68 and 11.94%, and 19.91 and 23.38% in cows, 4.72 and 5.83%, 7.40 and 7.68%, 19.41 and 16.84%, 30.58 and 27.01%, 11.21 and 11.20%, and 19.49 and 22.48% in total average, respectively. There were significant differences (P<0.05) in contents of caproic, capric, myristic, tetradecenoic, hexadecenoic acid in colostrum between heifers and cows. 3. The contents of the essential fatty acid in colostrum and normal milk were 2.01 and 2.01% in heifers, 2.64 and 2.95% in cows, 2.33 and 2.48% in total average, respectively. There was a significant difference (P>0.05) in contents of linoleic acid in colostrum between heifers and cows. 4. The contents of unsaturated fatty acid in colostrum and normal milk were 24.38 and 27.77% in heifers, 27.05 and 30.55% in cows, 25.72 and 29.16% in total average, respectively. 5. The ratios of the unsaturated index (unsaturate/saturate) in colostrum and normal milk were 0.32 and 0.38 in heifer, 0 44 and 0.69 in cows, 0.35 and 0.41 in total average, respectively. 6. The contents of low molecular weight fatty acid in colostrum and normal milk were 7.20 and 9.72% in heifers, 3.69 and 4.63% in cows, 5.45 and 7.18% in total average, respectively. 7. O/P ratios(oleic/palmitic) in colostrum and normal milk were 0.63 and 0.80 in heifers, 0.65 and 0.86 in cows, 0.64 and 0.84 in total average, respectively. 8. P/S ratios(polyunsaturate, C18:2 and C18:3/saturate) in colostrum and normal milk were 0.03 and 0.03 in heifers, 0.04 and 0.04 in cows. 9. There were tendencies to increase the contents of caproic, caprylic, capric, unknown, oleic and linolenic acid, and to decrease those of myristic and palmitic acid, and not to change those of lauric, tetradecenoic, hexadecenoic and linoleic acid, as the days after parturition passed. There were significant differences(P<0.05) in the changes of the content of palmitic and linoleic acid between colostrum and normal milk.

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