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Ganglioside GM1 influences the proliferation rate of mouse induced pluripotent stem cells
( Jae-sung Ryu ),( Kyu-tae Chang ),( Ju-taek Lee ),( Malg-um Lim ),( Hyun-ki Min ),( Yoon-ju Na ),( Su-bin Lee ),( Gislain Moussavou ),( Sun-uk Kim ),( Ji-su Kim ),( Kinarm Ko ),( Kisung Ko ),( Kyung- 생화학분자생물학회 2017 BMB Reports Vol.50 No.6
The ACKNOWLEDGEMENTS should be corrected as follows, This research was supported by a grant (Code# PJ0074922012) from the Korean Rural Development Administration, and has been supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education Science and Technology (2010-0022316 and KCG5401011), and the KRIBB/KRCF Research Initiative Program (NAP), Korea. The published article in this journal was a part of the 2013 Doctoral thesis of Jae-Sung Ryu submitted to Wonkwang University, Korea. and not This research was supported by a grant (Code# PJ0074922012) from the Korean Rural Development Administration, and has been supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education Science and Technology (2010-0022316 and KCG5401011), and the KRIBB/KRCF Research Initiative Program (NAP), Korea.
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식이섬유 보충용 식품의 섭취에 따른 여성의 비만관련 체구성 요인 및 배변만족도의 변화
임용택,강선영,김재등,김성수,김재우,이충영,김정모 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.1
The Purpose of this study was to investigate the effect of functional food including dietary fiber supplementation on body composition concerning obesity and defecation satisfaction of women. Twelve young healthy women but had defecation difficulty were participated as a subject. Body weight, %body fat, WHR mesurement and defecation satisfaction questionnaire were performed before and after 2 weeks' supplementation. The results of this study were as follows : First, Body composition concerning obesity such as body weight(p=.0065), % body fat(p =.0004) and WHR(p=.0007) after 2 weeks' functional food including dietary fiber supplementation was decreased significantly. Second, defecation satisfaction functional food including dietary fiber supplementation was increased significantly(p = .0039). This results suggested that functional food including dietary fiber supplementation should be recommended as effective dietary food for persons with obesity and defecation difficulty.
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金用根,金敬順,卞在亨,李應昊,梁升澤 釜山水産大學校 1972 釜山水産大學 硏究報告 Vol.12 No.1
북양명태를 원료로서 마른명태를 가공하는 실험을 하여 다음과 같은 결과를 얻었다. 원료를 해동하여 내장을 제거하고, 그대로 29시간 열풍건조하여 마른명태를 가공할 수 있었으며, 제품의 수율은 22% 수분은 18%였다. 또한 원료어를 등갈이한 다음 머리, 내장, 흑막을 제거하고, 염장한 다음 22시간 열풍건조하여 건조시간도 단축할 수 있고, 색택도 좋은 제품을 만들 수 있고, 수율은 약 12%였다. 또한 원료어를 fillet로 처리하여 염장한 다음 열풍건조하므로서 건조시간을 더욱 단축할 수 있었고, 포장 및 조리하기에 편리한 제품을 가공할 수 있었다. 제품의 수율은 어체의 크기에 따라 차이가 있어 10∼22%였다. 그리고 채육기로 육을 채취한 다음 과산화수소를 써서 거품을 일어켜 새로운 형태의 다공성인 박층건제품을 가공할 수 있었고, 이 다공성 박층건제품은 흡수성이 좋아 instatant 식품으로 이용 가능하다는 결론을 얻었다. In this paper, some dehydration methods for frozen Alaska Pollack Theragra chalcogramma were studied. The cabinet type drier was used for the study. Samples were dehydrated for appropriate time at the air temperature of 38 to 40℃ under the air stream of 3m/sec. The frozen samples were defrosted, eviscerated, and hot-air dehydrated for 29 hours. The yield of dehydrated product was about 22% and moisture content was 18%. The brine salted samples which were headed, split and skinned were also hot-air dehydrated under the same conditions. This dehydration process could reduce dehydration time. The yield of dehydrated product was about 12% and moisture content was about 20%. For another method, frozen samples were first defrosted, washed thoroughly to remove dirt, slime and scales, and then beheaded, skinned and filleted. The fillet was dehydrated after brine salting. The yield was 10 to 22% and moisture content was 12%. The tissue of these hot-air dehydrated products such as round, split and fillet were very firm and difficult to reconstitute. In order to obtain dehydrated product of agreeable texture, another dehydration process was examined. Chopped meat was dipped in alkaline solution of 0.4% hydrogen peroxide for 30 minutes and then agitated for 10 minutes. By these treatment the foamy and emulsified minced meat was spread on a nylon net seated on metal tray, drained, and dehydrated. A better result was obtained by this process comparing with other's. This could be explained for the reason that the process resulted in the meat flake porous by which the meat could be rapidly reconstituted. The texture of the porous meat flake was good for a convenience food.
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Dumped and Structured Packing을 이용한 알콜/물 증류
김석택,최동훈,김재홍,김장호,빌렛 라인하르트 동아대학교 환경문제연구소 2000 硏究報告 Vol.23 No.1
In this study, the diagrams for various packing shown given an impression of the effectiveness of several fraction device for separation towers in alcohol distillation. The results obtained are presented under the aspect of showing the effect of design parameters such as e. g. weir height, opening ratio, tray columns, or size of packing elements, relative void volume and surface quality for packed columns, as well as the effect of process parameters such as operating pressure, reflux ratio and phase load of the separating column. The relevant technical literature provides comprehensive information for fluid dynamic computations as well as for predetermining the separation efficiency of columns working under industrial operating conditions, this applies to tray columns and packed columns equally. The most recent computation models of thermal separation technology allow the quantitative valuation also of other efficiency when used in industrial alcohol distillation plants, and the corresponding dimensioning of columns with an accuracy that is sufficient for the requirements of practice.
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Consideration of Diluents Selection and Input Amounts of the Hunter Process for Tantalum Production
Jae‑Jin Sim,Sang‑Hoon Choi,Yong‑Kwan Lee,Sung Gue Heo,Taek‑Soo Kim,Seok‑Jun Seo,Kyoung‑Tae Park 대한금속·재료학회 2021 METALS AND MATERIALS International Vol.27 No.7
Tantalum (Ta) is a heavy refractory metal with an atomic weight of 180.95 g/mol, a density of 16.6 g/cm3, and a high meltingpoint of 3017 °C. With its refractory characteristics, it shows excellent chemical and physical stability as well as corrosionand heat resistance at elevated temperatures. The demand for Ta metal and related compounds is increasing with the expansionof the electronics and chemical industries. The Hunter process was proven to be effective in producing Ta powder in1953. Hunter proposed a method in which potassium heptafluorotantalate (K2TaF7) was reduced by sodium (Na). Thus far,this process has been the primary commercial method to produce Ta powder. In this study, quantitative differences wereanalyzed for diluent selection. Additionally, consideration was given to changes in the caloric value depending on the inputamount of diluents. Finally, the optimum material input and the properties of the prepared Ta were analyzed. Stoichiometricratios of K2TaF7(1 mol), NaCl (6.2–6.7 mol), Na (5–7 mol) were weighed, to perform a metallothermic reduction reaction. After the reaction, the tantalum powder was recovered and the flush process was carried out. After that, it was dried in avacuum atmosphere. Physical properties such as oxygen concentration, PSA, ICP-OES, and XRD of powder were conductedto evaluate the characteristics of Ta powder that was finally manufactured.
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경사진 육면체에서 태양열에 의한 증발 현상에 관한 연구
김병철,장원택,윤재원,박준성 朝鮮大學校 機械技術硏究所 2006 機械技術硏究 Vol.9 No.1
Four solar stills that were fabricated each with cubes and glazing tilted angles of 15°, 30°, 45°, 60°, were compared with the quantities of condensed water. The quantities of condensed water were analysed with the weather conditions and temperatures for three months, On fine days, the quantity of average condensed water was more similar to those of 15° and 30°than to those of 45° and 60°, The quantity of condensed water produced by those of 45° and 60° were very irregular compared to those of 15° and 30", On rainy days, the quantity of condensed water was the most in that of 30° than those of the other angles and in cloudy, rainy and sunny conditions, the condensation quantity was the largest in that of 60°.
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Bubble Cap Tray, Value Tray 및 Seive Tray를 이용한 알콜/물 분리
김석택,최동훈,김재훈,김장호,빌렛 라인하르트 동아대학교 환경문제연구소 2000 硏究報告 Vol.23 No.1
In this study The diagrams for various packing shown given an impression of the effectiveness of several fraction device for separation towers in alcohol distillation. Although not claiming completeness, they are yet indicative of the influence which the characteristic design and operating parameters are having on the performance efficiency of the internals. The relevant technical literature provides comprehensive information for fluid dynamic computations as well as for predetermining the separation efficiency of columns working under industrial operating conditions, this applies to tray columns and packed columns equally. The most recent computation models of thermal separation technology allow the quantitative valuation also of other efficiency when used in industrial alcohol distillation plants, and the corresponding dimensioning of columns with an accuracy that is sufficient for the requirements of practice.
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