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      • 제 2형 당뇨병 환자에서 대사증후군의 유병률 및 관련요인의 특징

        박철진,박거운,박일구,신지혜,김진화,배학연,김상용 朝鮮大學校 附設 醫學硏究所 2007 The Medical Journal of Chosun University Vol.32 No.3

        Background: People with insulin resistance has a higher risk of developing cardiovascular disease. This leads to the importance in diagnosing metabolic syndrome. The incidence of metabolic syndrome has increased significantly in korea because of an increased population of obese people and also the incidence of DM. There have been many studies done on the incidence of metabolic syndrome in the general population. Therefore, the authors have designed this study to identify the incidence of metabolic syndrome in patients with type 2 DM and also the associated characteristics in that population. Methods: The study included 169 adults over the age of 20 (84 males and 85 females) admitted to the endocrinology department of Chosun University between Jan, 1st 2005 and May, 31st 2006. Out of the people diagnosed with type 2 DM people were excluded when any of the physical measurements (height, weight, blood pressure, abdominal circumference) and blood measurements (TG, HDL-cholesterol, fasting blood sugar) were insufficient and when the patient was taking any drugs other than anti-hy-pertensive agents and oral anti-diabetic agents. Obesity and the other risk factors were defined by the Asian-Pacific guideline and 2001 ATP III of NCEP, respectively. Result: The each prevalence according to the metabolic syndrome criteria of the type 2 DM patients showed low HDL cholesterolemia with the highest incidence of 57.4% followed by hypertng1yceridemia(52.0%), obesity(40.9%) and hypertension(33.0%). The each incidence of diagnostic criteria in metabolic syndrome according to sex was different, In males, hypertriglyceridemia was the highest with the incidence of 57.7% followed by low HDL-cho1estero1emia(49.5%), obesity(40.9%) and hypertension (30.0%). In women, the incidence were low HDL-cho1estero1emia(64.8%), hyperthg1yceridemia(47.6%), obesity(45.0%) and hypertension(36.0%), in a descending order. The analysis between the diagnosis of metabolic syndrome in type 2 DM patients and the criteria showed that hyperthglyceridemia (correlative value 0.575) had the highest correlation followed by low HDL-cholesterolemia (correlative value 0.446), obesity (correlative value 0.350) and hypertension (correlative value 0.410). All the correlations were statistically significant with a p-value less than 0.01. Conclusions: Type 2 DM is a important factor of metabolic syndrome based on insulin resistance. The control of blood glucose with prevention and early diagnosis of the other factors related to metabolic syndrome in type 2 DM is important for preventing cardiovascular complications.

      • KCI등재

        Methylphosphonicdifluoride의 가수분해 및 가수분해 생성물로부터 HF의 회수 연구

        이종철,이용한,박훈,최승주 한국화학공학회 2003 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.41 No.4

        Methylphosphonicdifluoride(DF)의 최적 가수분해 조건을 찾기 위하여 염기성 및 중성 수용액에서 가수분해하고 가수분해 생성물로부터 F 화합물을 분리, 회수하였다. DF는 NaOH 수용액의 농도 6 mole, [OH]/[DF]의 비율 4 이상에서 5분 내에 80%가 분해된 반면, 중성 수용액에서는 H₂O/DF의 부피 비 1.5 이상에서 93-97%의 분해율을 보였다. 가수분해 후 생성물중의 HF를 분리하기 위하여 수산화칼슘을 사용하였으나 생성입자의 크기가 매우 작고 겔 상태로 존재하여 HF의 완전분리가 곤란하였다. 반면, 중성 수용액에서 가수분해한 DF의 생성물은 MPA, HF 및 미량의 methylphosphonofluoridic acid(MF)가 존재하였다. MPA는 휘발성이 없는 흡습성 고체이고 HF는 물과 공비점을 형성 하므로 물을 주기적으로 반응기에 공급하면서 반복 증류하여 HF를 용이하게 분리 할 수 있었다. 가수분해 생성물을 증류 한 결과 최대 99.7%의 F 이온을 분리하였으며 증류 후 회수된 불산의 최종 농도는 20% 이었다. The hydrolysis of methylphosphonicdifluoride(DF) both in NaOH solutions and neutral waters was studied to find optimum reaction conditions. Separation of F ions from the reaction products was also conducted. The destruction efficiency of DF in NaOH solutions was above 80% in five minutes at the mole ratio of [OH]/[DF]3-6, while the efficiency of 93-97% was obtained in water when the volume ratio of the H₂O/MPD was above 1.5. Ca(OH)₂ was added to to remove HF in the product solutions after DF hydrolysis in alkaline solutions but it was not easy to remove due to coagulation of the products. On the other hand, HF was easily separated by repeated distilation adding water periodically to the reactor from the reaction products of DF hydrolysis in water, 99.7% of the total fluoride ions were removed from the products by repeated distillation. The final concentration of HF solution recovered was 20wt%.

      • Mushroom堆肥의 飼料化에 關한 硏究 : 第1報 Mushroom 堆肥腐熟過程中 몇가지 有機成分과 腐植化度 Amino酸 및 酵素活性의 經時的 變化 THE VARIATION OF GENERAL ORGANIC COMPOSITION, DEGREE OF HUMIFICATION, FREE AMINO ACID AND ACTIVITY OF AMYLASE IN THE COMPOST BEFOR CULTIVATION OF MUSHROOM AND IN MUSHROOM COMPOST

        李殷喆,金銅淵,金容植,金廣植 全南大學校 農漁村開發硏究所 1966 農業科學技術硏究 Vol.4 No.-

        In order to use mushroom compost as feedstuffs to exeriments were carried out to determin the variation of general organic composition, degree of htunification, free amino acid and activity of amylase in the compost before cultivation of mushroom and mushroom compost. The results obtained were summarized as follows; 1. Contents of crude protein and soluble protein of the compost for mushroom cultivation were increased. In the mushroom compost crude protein contents were 10.9% and soluble proteins were 1.95%. The contents of nitrogen free extract were decrcased in both compost. Crude fiber contents were increased during fermentation but in mushroom compost contents of crude fiber were markedly decreased from 23.7% to 12.4%. 2. Degree of humification during fermentation was increased but in mushroom compost was decreased. 3. The free amino acid which were extrated with alfohol in mushroom compost were identified. that is cysteine, Serine, glycine, threonine. alanine, tynosine, methionine and isoleusine. 4. The value of amylase activity from mushroom compost was about two tims higher than 10 days fermented compost.

      • 窒素 및 加里 施肥水準이 飼料作物의 生育 및 乾物收量에 미치는 影響

        黃鏞哲,金武成 慶熙大學校 1984 論文集 Vol.13 No.-

        This study was conducted to investigate the effect of nitrogen and potassium fertilizers applied to forage crops grown alone and in mixture with grass and legumes of forage crops, on the yield of dry matter. The results are summarized as follows; 1. Nitrogen fertilizers for the yield of dry matter showed highly effective to orchardgrass in case of grown alone and were also effect of grown in mixture alfalfa and grasses, but potassium fertilizers did not show any significance on the dry matter yield increases compared with control. 2. In nitrogen fertilizer plots, alone and mixed sowings showed the total yields of dry matter in decreasing order of tallfescue > orchardgrass > alfalfa and alfalfa + orchardgrass (5:5) > alfalfa + orchardgrass (3:7) > alfalfa + orchardgrass (7:3) > alfalfa + tallfescue (3:7) > alfalfa + tallfescue (7:3) > alfalfa + tallfescue (5:5), respectively. 3. With nitrogen fertilizers for the yield of dry matter was highest effective with the application level of 20㎏/10a throughout the plots, except the with nitrogen plot of grown alone of alfalfa and orchardgrass. 4. In case of grown in mixture with grass and legume increasing total yields of dry matter with nitrogen and potassium fertilizers was ascribed to increase grasses, but botanical composition of alfalfa was decreased.

      • 窒素 및 加里 施肥水準이 飼料作物의 生育 및 乾物收量에 미치는 影響

        黃鏞哲,金武成 경희대학교 부설 식량자원개발연구소 1984 硏究論文集 Vol.5 No.-

        This study was conducted to investigate the effect of nitrogen and potassium fertilizers applied to forage crops grown alone and in mixture with grass and legumes of forage crops, on the yield of dry matter. The results are summarized as follows; 1. Nitrogen fertilizers for the yield of dry matter showed highly effective to orchardgrass in case of grown alone and were also effect of grown in mixture alfalfa and grasses, but potassium fertilizers did not show any significance on the dry matter yield increases compared with control. 2. In nitrogen fertilizer plots. alone and mixed sowings showed the total yields of dry matter in decreasing order of tallfescue>orchardgrass>alfalfa and alfalfa+orchardgrass (5:5)>alfalfa+orchardgrass(3:7)>alfalfa+orchardgrass(7:3)>alfalfa+tallfescue(3:7)>alfalfa+tallfescue (7:3)>alfalfa+tallfescue (5:5), respectively. 3. With nitrogen fertilizers for the yield of dry matter was highest effective with the application level of 20㎏/10a throughout the plots. except the with nitrogen plot of grown alone of alfalfa and orchardgrass. 4. In case of grown in mixture with grass and legume increasing total yields of dry matter with nitrogen and potassium fertilizers was ascribed to increase grasses. but botanical composition of alfalfa was decreased.

      • KCI등재

        조직의 감정소진 조절효과에 따른 서번트 리더십이 조직성과에 미치는 영향

        양성진ㆍ유용철ㆍ주진혁 충북대학교 국가미래기술경영연구소 2019 기술경영 Vol.4 No.3

        본 연구에서는 서번트 리더십이 조직성과에 어떠한 영향을 미치는지 알아보고 감정 소진이 서번트 리더십과 조직성과 사이에서 조절효과로서 조직구성원들에게 어떠한 영향을 미치는지 알아보기 위하여 실증분석을 통해 검증하는 것을 주된 목적으로 하 였다. 실증분석을 위해 각각의 연구변수들의 선행연구 자료들을 수집, 정리하여 체계 적으로 연구를 진행 하였으며, 이를 바탕으로 연구 가설들과 연구모형을 수립하였다. 실증분석 결과 가설 1인 서번트 리더십이 조직성과에 정(+)의 방향으로 유의하다는 것에 채택이 되었으며, 조절변수 검증을 위한 가설 2에 대해서는 가설 2-1과 가설 2-2인 소진과 비인격화에 대해 서번트 리더십이 부(-)의 방향으로 유의하여 채택되었 지만 성취감 결여에 대해서는 정(+)의 방향으로 유의하여 기각되었다. 가설 3인 조절 효과 검증에서 가설 3-1, 가설 3-2인 감정소진과 비인격화는 독립변수인 서번트 리더 십과 종속변수인 조직성과 사이에 조절효과가 있다는 것이 검증되어 채택 되었지만, 성취감 결여는 조절효과가 없는 것으로 판단되어 기각 되었다. 이러한 조절효과 검증 결과는 서번트 리더십은 감정소진과 비인격화가 조직성과에 안 좋은 영향을 미친다는 것으로 설명 가능하며 성취감 결여는 서번트 리더십이 조직성과에 크게 영향을 미치 지 않는다는 것으로 보인다. 최근 급변하는 사회와 무한 경쟁시대로 치열한 경쟁 속에서 살아남기 위해 리더의 자질뿐만 아니라 조직구성원들과 함께 나아가야 하며 그러기 위해서는 새로운 리더십 스타일과 조직구성원들의 성과적인 관리뿐만 아니라 감정적인 부분에서도 효과적인 관리가 필요하다는 것을 인지하고 그것을 검증하기 위해 본 연구를 진행하였으며, 서 번트 리더십과 조직성과, 조직구성원들의 감정소진의 관계를 실증분석을 통한 결과를 제시 하였다는 것에 이 연구에 대한 의의를 두고자 한다.

      • 인슐린 자가면역 증후군 2예

        박일구,박철진,신지혜,김진화,김상용,배학연 朝鮮大學校 附設 醫學硏究所 2008 The Medical Journal of Chosun University Vol.33 No.1

        인슐린 자가면역 증후군은 항체에 결합되어 있던 인슐린이 혈당정도와 관계없이 유리됨으로써 저혈당이 야기되는 질환으로, 인슐린종 등과 감별을 필요로 하는 질환이다. 저자들은 고인슐린혈증과 인슐린 자가항체가 양성이면서 공복검사상에서 저혈당이 유발되며 경구 포도당 부하 검사에서 저혈당이 유발된 자가면역성 저혈당증을 경험하였기에 문헌고찰과 함께 보고하는 바이다. Autoimmune hypoglycemia is one of the rare causes of hypoglycemia, and characterized by hyperinsulinemia. Insulin autoimmune syndrome is characterized by insulin autoantibody, hyperinsulinemia, and fasting hypoglycemia without previous insulin immunization. Insulin autoimmune syndrome is usually related to autoimmune disease such as Graves' disease and to previous exposure to drugs. This syndrome is a self-limited disorder. The hypoglycemia was treated with prednisolone and the patient recovered from this. Recently we experinenced two cases of insulin autoimmune syndrome that developed symptomatic hypoglycemia during both the fasting and oral glucose tolerance test. Here in, We present those cases with a review of the literature.

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