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성낙창,김은호,문추연,김정권,장성호,김수생,박출재 동아대학교 환경문제연구소 1996 硏究報告 Vol.19 No.1
In this study, we can be obtained the following conclusions about the characteristics of leachate with waste compositions and landfill methods. pH shows a tendency to increase in E. landfill, because NH₃ is created by anaerobic degradation and dissolved in leachate. The concentrations of BOD and COD become different, In case of E. landfill, food of combustible is H. & S. landfill and then SS is high in concentration. According to passed time, T-N is high in concentration, but T-P shows a similar tendency. Heavy metals of leachate is lower than threshold concentrations. If leachate is treated biologically, microbes are not inibitory.
성연상,김상진,박찬용,박순필,도종웅 대한신경외과학회 1988 Journal of Korean neurosurgical society Vol.17 No.6
The authors surveyed one-hundred women whithin 24-36 hours after delivary for the evaluation of low back pain in pregnancy. It showed that 55% of them suffered from low back pain during pregnancy. Low back pains mostly started form 6-9 months of gestational age. Low back pains were tolerable at 84% of them. And low back pains were not aggravated during pregnancy among the 67% of low back pain pregnant women. Leg pains were noted at 34% of low back pain group.
김상철,김소연,하효철,박경숙,이재성 동아시아식생활학회 2001 동아시아식생활학회지 Vol.11 No.5
The mushroom pickles were prepared as a processed mushroom product. The changes in pH, total acidity, brix, color and texture of the mushroom pickles (Lentinus edodes, Pleurotus ostreatus, Agaricus bisporus and Pleurotus eryngii) were measured during storage at 4℃. In addition, sensory evaluations on the mushroom pickles were performed. While the pH of Lentinus edodes and Pleurotus ostreatus pickles declined slowly, the pH of Agaricus bisporus and Pleurotus eryngii pickles declined rapidly during storage, The total acidity of Lentinus edodes pickles rose slowly, while the acidity of Pleurotus ostreatus, Agaricus bisporus and Pleurotus eryngii pickles rose rapidly, As for the color of mushroom pickles, "L", "a" and " b" values changed slightly. The changes in texture were determined by a rheometer, Hardness, cohesiveness, springiness, gumminess and brittleness of Lentinus edodes pickles were lower than those of the other mushroom pickles. In the sensory evaluation of mushroom pickles, Lentinus edodes showed higher acceptability ratings than the other mushrooms in taste, color, clearness, texture and overall acceptability. This study showed that among the mushrooms tested, Lentinus edodes was the most acceptable mushroom pickle for storage.
우성문,임윤규 대구보건대학 1999 대구보건대학 論文集 Vol.19 No.-
Generally, most of machining processes are done, according to the dimension of the draft made by CAD. However, there are many cases that a sample is given without the draft because of the simplicity of the shape in the machining of 2D objects. In order to cut the same shape as the given sample, this paper proposes the method to extract the geometric information about a large sample using the robot vision and to draw the dimensional draft for the machining. Because the resolution of one frame in the vision system is too low, it is necessary to set up a camera according to the desired resolution and to capture the image moving along the contour. And the overall outline can be compounded of the sequentially captured images. In the experiment, we compared the product after the cutting with the original sample and found that the size of two objects was coincided within the allowed error bound.
무선 시스템의 안전한 전송을 위한 표준 End-To-End Security 플랫폼의 제안
임승채,김태연,오경희,정채영 조선대학교 기초과학연구소 2003 自然科學硏究 Vol.26 No.-
As various mobile service display a growth lease in a point of time that left an IMT-2000 commercialization near at hand. a security problem of wireless Internet environment is coming to the front by a large issue. A comparative analysis does security solution (WAP. ME. I-Mode) used for Data transmission on the wireless Internet in this paper and offers the platform which can solve an End-To-End Security problem. A proposed mobile authentication platform is the possibility suggest which can provide a safe mobile environment as a higher security level is provided, and stopping up effluence for me of plaintext with using a standardized encryption packet in WAP Gateway of the existing WAP.
신승렬,손영아,원충연 대구효성가톨릭대학교 식품과학연구소 1993 식품과학지 Vol.5 No.-
본 연구는 아카시아 꽃의 영양성분의 대한 지질성분을 조사하였다. 아카시아 꽃의 총지질의 함량은 1.03g/100g-fr.wt.이고 유리지질과 결합지질의 함량은 각각 0.96, 0.07g/100g-fr.wt.이였다. 총지질의 조성은 중성지질이 0.53g/100g-fr.wt.이고, 당지질과 인지질이 각각 0.22, 0.28g/100g-fr.wt.이였다. 중성지질의 구성 지질은 triglyceride, free fatty acid, sterol ester순으로 함량이 많았다. 그리고 각 지질의 지방산 조성은 총지질과 중성지질의 구성지방산 조성은 palmitic acid, oleic acid, linoleic acid의 함량이 높고 중성지질의 경우에는 linolenic acid는 중성 지질에 많았다. 당지질과 인지질은 palmitic acid를 극히 많이 함유하고 있다. This study was carried out to investigate the components of lipid in acacia flower. Content of total lipid in acacia flower was 1.03g/100g-f.w. and contents of free lipid and bound lipid were 0.96 and 0.6g/100g fresh weight, respectively. Contents of neutral, glycolipid, and phospholipid were 0.53, 0.22 and 0.28g/100g-f.w., respectively. In component of neutral lipid, contents of triglyceride, free fatty acid, and sterol ester were higher than other lipids. There were lots of palmitic acid, oleic acid, and linolenic acid in total and neutral lipid, and there was much linolenic acid in neutral lipid. Content of palmitic acid was very high in glycolipid and phospholipid.
Vinblastine이 백서 배양 Type-1 별아교세포에 미치는 세포독성에 관한 연구
하상호,박승택,문연자,김종영,김정중,정연태 圓光大學校 醫科學硏究所 1994 圓光醫科學 Vol.10 No.1-2
It has been reported that vinblastine, anticancer drug, is a neuroteratogen inducing various neural malformations such as microcephaly and neural tube defect(NTD), but the study on the toxicity of neuroglial cells, especially type-1 astrocytes using culture system is not well established. In order to evaluate the cytotoxicity of vinblastine on cultured type-1 astrocytes of neonatal rat brain in vitro. MTT assay and also light and electron microscopic studies were carried out. The results were as follows: 1. MTT_90 and MTT_50 in cultured type-1 astrocytes were 1×10 exp (-1) μM and 1×10 exp (2)μM of vinblastine, respectively. 2. Vinblastine was highly toxic in cultured type-1 astrocytes(MTT_50 ≤ 100 μM). 3. In a light microscopy, cultured type-1 astrocytes showed decrease of cells in number, cytoplasmic perforation, vacuolization and cytoplasmic granulation after cultured type-1 astrocytes were treated with 1×10 exp (2)μM of vinblastine for 24 hours. Cultured type-1 astrocytes damaged by vinblastine showed degenerative changes of cells morphologically. 4. In an electron microscopy, increment of glial fibrillary acidic protein(GFAP), increased free-ribosomes, cisternal dilatation of rough endoplasmic reticulum (rER). few dense bodies and vacuoles were shown in cultured type-1 astrocytes treated with 1×10 exp (2)μM of vinblastine for 24 hours. The results indicate that vinblastine has markedly cytotoxic effect on the type-1 astrocytes of neonatal rat brain in vitro study.