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鄭鉉丞,李乙熙 진주산업대학교 1975 論文集 Vol.13 No.-
우리나라 山野에 自生하는 닥나무를 본교 사료포에서 1974年 4月부터 1975年 10月까지 分根法을 利用 栽植하여 生産된 葉과 粗皮를 粗飼料로서의 利用性을 究明하고저 그 生産量과 成分含量을 調査한바 다음과 같은 結果를 얻었다. 1. 10a當 닥나무 生잎의 生産量은 2,000kg 정도였다. 2. 닥나무 잎의 成分含量은 조단백 11.24%, 조지방 4.74%, 조섬유 32.33%, 조회분 13.43%, N.F.E. 37.16%이었다. 3. 닥나무 粗皮의 成分含量은 조단백질의 13.34%, 조지방 5.94%, 조섬유 33.19% 조회분 13.60%, N.F.E. 27.26%이었다. This Experiment was carried out to determine the feed value of the leaves and rhytidome of Broussonetia kazinoki, Sieb which was transplanted on the college forage field from the mountaineous area. The results obtained were as follows: 1. The yield of the green leaves of Broussonetia kazinoki, Sieb was averaged about 2,000 kg/10a. 2. The chemical composition of the leaves was determined as follows: 11.24% crude protein, 4.74% crude fat, 32.33% crude fiber, 13.43 % crude ash and 37.16% nitrogen free extracts. 3. The chemical composition of the rhytidome was determined as follows: 13.4% crude protein, 5.94% crude fat, 33.19% crude fiber, 13.60% crude ash and 27.26% nitrogen free extracts.
사람과 쥐에서 식이내 n6 와 n3 불포화지방산이 혈장 지질조성에 미치는 영향
박현서,남정혜,최주선 慶熙大學校 1991 論文集 Vol.20 No.-
To compare the plasma lipid-lowering effect of dietary n6 and n3 polyunsaturated fatty acids(PUFA) in human and rats, ten college women were divided into 5 groups and treated for 5 weeks with 1 week interval between treatments and subjects serving as their own controls. Male Sprague Dawley rats were divided into 3 groups and fed the experimental diets for 6 weeks. The experimental diets were corn oil diet for n6 linoleic acid, perilla oil diet for n3 α-linolenic acid and fish oil diet for n3 eicosapentaenoic acid (EPA) and docosahexaenoic acid(DHA). Dietary fat was supplied at 30% Cal and modified to give the total amount of satu-rated fatty acid(SFA) and monoenoic acid(MEA)at constant level. In human, there was no significant effect on plasma cholesterol (Chol)level by different PUFA. However, on a gramforgram basis, there was a trend that the decrease in plasma Chol was proportionate to the degree of fat unsaturation. HDL―Chol content was significantly increased only in fish oil diet but no change in the relative proportion of its chemical components of HDL. In rat, plasma Chol and HDL―Chol levels were significantly lowered by fish oil than corn oil and perilla oil. Plasma Chol―lowering effect in human and rats was greater by n3 EPA and DHA than n6 linoleic acid. Plasma triglyceride(TG)level in human was significantly lowered only in fish oil diet but no significant effect on the relative proportion of TG in VLDL. Plasma TG in rats was significantly decreased by both perilla oil and fish oil than by corn oil. Therefore, plasma TG―lowering effect was in the order of n3 EPA+DHA>n3 αlinolenic acid >n6 linoleic acid. In conclusion, perilla oil and fish oil which contain n3 series PUFA may have important nutritional benefit in the prevention and treatment of atherosclerotic disease.
의사소통 능력 향상을 위한 내용 중심 통합교육의 효과성 연구
김숙희,이현정 대구대학교 사범대학 부설 교육연구소 2006 敎育硏究 Vol.2 No.1
언어와 여러 교과의 내용을 관련짓고 언어학습과 학습자의 실세계를 연관시켜주는 내용 중심 통합 언어 교수법은 우리나라의 영어교육 실정에 유익한 도움을 줄 수 있는 영어교수법 중 하나라 할 수 있다. 본 논문에서는 내용 중심의 언어 교육과 교과 통합에 관한 문헌 및 선행연구를 바탕으로 영어교과와 타 교과와의 통합지도에 관한 이론적 배경을 살펴본다. 또한 제7차 교육과정의 교육목표, 소재, 교수-학습활동 면에서 영어교과와 타 교과가 서로 관련이 있는 통합 언어 지도가 가능한 소재와 단원을 조사하며, 실제 영어교과와 사회교과를 통합하는 프로그램을 교실상황에서 실행해 봄으로서 중등영어 학습자의 영어 어휘와 듣기 능력 정도에 대한 학업 성취도와 영어수업에 대한 흥미, 자신감 등 심적인 면에 끼치는 효과를 분석하여 내용 중심 통합 교수-학습의 적용효과를 검증한다. 중학교 2학년 2개 학급을 대상으로 실험연구를 실시하며, 영어 어휘와 듣기에 대한 학업성취도의 인지적 영역과 영어에 대한 흥미, 태도, 자신감 등의 정의적 영역에 대한 설문지와 사전․사후 검사의 결과를 비교․분석하여 그 효과를 검증한다.
정재호,김현근,김향희,전태보 강원대학교 산업기술연구소 2000 産業技術硏究 Vol.20 No.A
Simulation analysis for an auto body manufacturing system has been performed in this study. The major goal is to figure out the condition yielding the production rate, 70 per hour. It is, however, very difficult to maintain this rate due to inherent system factors such as machine failure rates, machine repair rates, number of carriers between manufacturing lines(shops), carrier speed etc. We first carefully examined the system and developed a simulation model using ARENA. We then applied statistical experimental design concepts for performance analysis. Our results indicate that the buffer size of 30 and quick repair of failed robots are required for the desired production rate. Other factors, on the other hand, are seen to have minor effects on the throughput. The approach taken in this study and the results obtained may provide a practical guideline for performance analysis and thus be applied without trepidation for similar cases.
Hyun, Sun-Hee,Jeon, Tae-Won,Lee, Sang-Kyu,Kim, Chun-Hwa,Seo, Young-Min,Kim, Ju-Hyun,Jeong, He-Min,Kang, Mi-Jeong,Lee, Jae-Sung,Jeong, Tae-Cheon Korean Society of ToxicologyKorea Environmental Mu 2007 Toxicological Research Vol.23 No.4
Paecilomyces tenuipes (PT), one of the Ascomycetes family, has been used for medicinal purposes due to its broad pharmacological activities. The present study was undertaken to investigate the hepatoprotective effects of PT water extracts against $CCl_4$-induced hepatotoxicity in primary cultures of adult rat hepatocytes. When the extract of PT was directly added into the culture medium at 1, 2, and 5 mg/ml, the extracts not only reduce the $CCl_4$-induced elevation of aspartate aminotransferase (AST), alanine aminotransferase (ALT), lactate dehydrogenase, and lipid peroxide, but also protect cultured hepatocytes from $CCl_4$-induced reduction of reduced glutathione, glutathione reductase, glutathione-S-transferase, glutathione peroxidase, catalase and superoxide dismutase. In addition, the effects of PT water extracts on cytochrome P450 enzymes were relatively marginal, indicating that the hepatoprotective effects of PT extract against $CCl_4$-induced toxicity might not be due to the inhibition of $CCl_4$ activation. In conclusion, the PT extracts were effective in protecting against $CCl_4$ induced hepatotoxicity in hepatocyte cultures, at least in part, by scavenging free radicals, and by modulating enzyme systems involved in cellular oxidative stress.
Improved Rate Capability of Li/Li_3V_2(PO_4)_3 Cell for Advanced Lithium Secondary Battery
Hyun-He Lim,A-Ra Cho,Nagarajan Sivakumar,Woo-Seong Kim,윤원섭,Yun-Sung Lee 대한화학회 2011 Bulletin of the Korean Chemical Society Vol.32 No.5
Lithium vanadium phosphate, Li_3V_2(PO_4)_3 was prepared by a simple solid state route. It was found that making a fine powder of Li_3V_2(PO_4)_3 by the mechanical milling is very effective for increasing the insertion/extraction of lithium from Li_3V_2(PO_4)_3 structure. In charge/discharge test, the ball-milled Li_3V_2(PO_4)_3 sample exhibited a higher initial discharge capacity of 174 mAh/g in the voltage range of 3.0-4.8 V, compared with pure Li_3V_2(PO_4)_3 sample (152 mAh/g). Furthermore, the ball-milled Li3V2(PO4)3 presented not only higher cycle retention rate after 50 cycles, but also better rate capability compared with pure sample in the whole region (0.1-7 C).
( Hyun Suk Lee ),( Jun Ho Lee ),( Yong Seok Lim ),( Eui Chang Kim ),( Hyun Mi Kwon ),( Seong-he Park ),( Byoong Yong Choi ) 대한류마티스학회 2017 대한류마티스학회지 Vol.24 No.1
Polyarteritis nodosa (PAN) has a broad spectrum of clinical presentation, since it affects small and medium-sized muscular arteries with microaneurysm formation, aneurysmal rupture with hemorrhage, thrombosis, and, consequently, organ ischemia or infarction. Although skeletal muscle involvement is well documented in patients with PAN, it can mimic more common diseases, and cause confusion and delays in diagnosis. PAN muscular involvement may have limited or early systemic forms with a benign course and excellent clinical response to corticosteroid therapy. Herein, we describe the clinical course and outcome of four unusual cases of PAN manifested by acute onset of pain and pitting edema in both lower extremities; in addition, we reviewed the relevant literature. (J Rheum Dis 2017;24:48-54)
Hyun Hwangbo,Da He Kwon,Eun Ok Choi,Min Yeong Kim,Kyu Im Ahn,Seon Yeong Ji,Jong Sik Kim,Kyung-Il Kim,No-Jin Park,Bum Hoi Kim,Gi-Young Kim,Su-Hyun Hong,Cheol Park,Ji-Suk Jeong,Yung Hyun Choi 대한지역사회영양학회 2018 Nutrition Research and Practice Vol.12 No.5
BACKGROUND/OBJECTIVES: Benign prostatic hypertrophy (BPH) is a major cause of abnormal overgrowth of the prostate mainly in the elderly. Corni Fructus has been reported to be effective in the prevention and treatment of various diseases because of its strong antioxidant effect, but its efficacy against BPH is not yet known. This study was designed to evaluate the therapeutic efficacy of Corni Fructus water extract (CF) in testosterone-induced BPH rats. MATERIALS/METHODS: To induce BPH, rats were intraperitoneal injected with testosterone propionate (TP). Rats in the treatment group were orally administered with CF with TP injection, and finasteride, which is a selective inhibitor of 5α-reductase type 2, was used as a positive control. RESULTS: Our results showed that the increased prostate weight and histopathological changes in BPH model rats were suppressed by CF treatment. CF, similar to the finasteride-treated group, decreased the levels of testosterone and dihydrotestosterone by TP treatment in the serum, and it also reduced 5α-reductase expression and concentration in prostate tissue and serum, respectively. In addition, CF significantly blocked the expression of the androgen receptor (AR), AR co-activators, and proliferating cell nuclear antigen in BPH rats, and this blocking was associated with a decrease in prostate-specific antigen levels in serum and prostate tissue. CONCLUSIONS: These results suggest that CF may weaken the BPH status through the inactivation of at least 5α-reductase and AR activity and may be useful for the clinical treatment of BPH.