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국내 자생 약용식물자원(박하, 복분자 및 매리골드)의 첨가 급여가 육계의 생산성과 육질에 미치는 영향
김용란,이보근,김재영,김지숙,이완섭,이소연,김은집,안병기,강창원,Kim, Yong-Ran,Lee, Bo-Keun,Kim, Jae-Young,Kim, Ji-Suk,Lee, Wan-Seob,Lee, So-Yeon,Kim, Eun-Jib,Ahn, Byoung-Ki,Kang, Chang-Won 한국축산식품학회 2009 한국축산식품학회지 Vol.29 No.2
This study was conducted to investigate the dietary effects of locally grown herbs (Mentha piperascens, PM; Rubus coreanus, RC; Tagetes patula, MG) on the growth performance and meat quality of broiler chicken. A total of 600 1-d-old Ross male broiler chicks were divided into eight groups and were fed control diets (antibiotics-medicated or non-medicated commercial diets) or experimental diets (non-medicated diets containing 0.3 or 0.5% PM, 0.3 or 0.5% RC, or 0.3 or 0.5% MG) for 5wk. The body weight gains and feed conversion rates (FCRs) in all the groups that were fed diets containing PM, RC, or MG were significantly improved compared to those in the non-medicated control group (p<0.05). The relative weights of various organs, the serum cholesterol levels, and the GOT/GPT activities in all the groups were also not significantly different. The superoxide dismutase (SOD)-like activities in the groups that were fed diets containing 0.3% PM or 0.3% MG were significantly increased compared to those in the non-medicated control group (p<0.05). The number of cecal lactic-acid bacteria in the groups that were fed diets containing 0.3% PM or 0.5% RC tended to increase. The malondialdehyde contents in the leg muscles were significantly lowered by feeding with PM or MG (p<0.05). The physicochemical properties of the edible meat, including the shear force, water-holding capacity, heat loss, pH, and muscle color degrees $(CIEL^*.\;a^*.\;b^*)$, were not affected by the dietary treatments. It has been suggested that spontaneous Korean plants promote the growth of broilers and may delay lipid oxidation in edible muscles without any negative effect when added in broiler diets.
UNIX 교육용 지능형 개인 교사 시스템의 설계와 구현
김용란(Yong-Ran Kim),김영성(Young-Seong Kim),정목동(Mok-Dong Chung) 한국정보과학회 1993 한국정보과학회 학술발표논문집 Vol.20 No.2
컴퓨터를 이용한 교육은 학생과의 대화 능력, 학생의 예기치 못한 반응에 대한 분석 능력, 학생의 오류나 학생이 잘못된 개념을 가지고 있음을 파악하는 능력이 부족하여 학생 개인의 능력에 따른 적절한 설명과 충고 그리고 일대일 교육을 수행하기 어려웠다. 본 논문에서는 오버레이 모델과 버그 모델을 통합한 오버레이 버그 학생 모델을 사용하여 개별 학생에게 다향한 설명과 효과적인 교육을 수행하는 지능형 개인 교사 시스템을 설계하고 구현한다. 제안된 시스템은 UNIX 명령어 시뮬레이터를 통해 학생의 직접적인 참여가 가능하게 하였으며, 설명, 힌트, 도움 요청에 대해서는 에니메이션을 도입하여 관심을 집중시키고 이해력을 향상 시키려하였다.
다양한 독서 매체를 통해 느껴지는 눈의 피로도와 각 매체의 특징에 관한 연구
장윤수,김응수,백승희,김용란,공상묵.Yoon Soo Jang. MD. Ungsoo Samuel Kim. MD. Seung-Hee Baek. MD. PhD.Yong Ran Kim. MD. Sang Mook Gong. MD. PhD 대한안과학회 2012 대한안과학회지 Vol.53 No.5
Purpose: The aim of the present study was to evaluate the different features of such instruments and how they cause ocular fatigability. Methods: Under the same settings and circumstances, 75 participants were asked to read the novel, “You without me?” in different formats including paper book, E-book (biscuit?, Interpark Inc., LG INNOTECK LTD, Korea) and LCD reader (iPad?, Apple Inc., United States). For every 10 minutes of reading, 10 minutes of rest was provided. After finishing the novel, the participants were asked to complete a questionnaire, and the data obtained were statistically analyzed using univariate analysis. Results: Compared to paper book readers (1.93), LCD readers (2.40) complained of insufficient lubrication in the eye (p = 0.038), and experience more letter-floating illusions (1.92) than did paper book readers (1.49) (p = 0.043). Moreover, compared to the other formats including the E-book (20%) and paper book (8%), LCD readers (72%) experienced more significant glare symptoms (n = 23) and could read at a faster rate than the other groups of readers (n = 26). Conclusions: In the present study, the I-Pad caused ocular fatigability more easily than the other formats examined. No statistical significance of ocular discomfort or fatigability was observed among the different format groups. Further investigation with a greater number of age-controlled participants should be conducted prior to designing a study to determine the best format for reading. J Korean Ophthalmol Soc 2012;53(5):689-693
간헐외사시 수술 후의 장기 성적: 운동기능과 감각기능 성과에 영향을 미친 인자의 분석
백지선,조명진,김응수,김용란,공상묵,백승희,Ji Sun Baek,Myung Jin Cho,Ungsoo Samuel Kim,Yong Ran Kim,Sang Mook Kong,Seung Hee Baek 대한안과학회 2014 대한안과학회지 Vol.55 No.7
<b>Purpose:</b> To evaluate the long-term surgical success rate (>3 years) and contributing success factors considering motor and sensory criteria for patients with intermittent exotropia. <b>Methods:</b> Fifty-four patients who received surgery for intermittent exotropia and were followed-up for a minimum of 3 years, including reoperation, were retrospectively evaluated. The first procedure was unilateral recession and resection in 50 patients and bilateral lateral rectus recession in 4 patients. Patients were classified as achieving a good, fair or poor outcome based on motor and sensory criteria. Success rate and associated factors such as postoperative alignment, exotropia type, first surgical procedure, and proportion of patients receiving reoperations were analyzed. <b>Results:</b> The mean follow-up period after the first surgery was 4.81 ± 1.30 years. The good outcome was achieved in 32 patients (59.3%), fair in 14 patients (25.9%), and poor in 8 patients (14.8%) considering motor criteria only. The good outcome was achieved in 29 patients (51.9%), fair in 12 patients (22.2%), and poor in 14 patients (25.9%) when considering combined motor/ sensory (functional) criteria. No patient who received bilateral lateral rectus recession as the first procedure belonged to the good outcome group (<em>p</em> = 0.03 by motor criteria and <em>p</em> = 0.044 by functional criteria). Patients who received reoperation were significantly more likely to be in the good and fair groups (<em>p</em> = 0.009 by motor criteria and <em>p</em> = 0.02 by functional criteria). <b>Conclusions:</b> Long-term surgical results of intermittent exotropia in this Korean population revealed 85.2% motor success rate and 74.1% functional success rate. Early postoperative overcorrection was not associated with long-term success. Recession and resection procedure and reoperations were significantly associated with better outcome based on motor and functional criteria. Diligent reoperations after the first surgery could possibly contribute to good long-term functional outcome in intermittent exotropia patients. J Korean Ophthalmol Soc 2014;55(7):1064-1070