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남상호,조영호,장석원,박영준,이선영,나선희 대전대학교 기초과학연구소 2002 自然科學 Vol.13 No.2
충청남도 금산군 서대산 일대의 나비목 곤충상을 조사한 결과 22과 344종 1,936개체가 조사되었다. 이중 밤나방과가 102종 589개체, 자나방과가 67종 440개체로 이 2과가 전체의 50%이상을 차지하였다. 자나방과의 두줄가지나방은 1,936 개체중 85개체가 채집되어 4.4%의 가장 높은 우점도를 나타냈다. 월별 우점종은 4월 노랑무늬물결자나방, 5월 별박이세줄나비, 6월 목도리불나방, 7월 청백무늬밤나방, 8월 두줄가지나방, 9월은 털뿔가지나방이 조사되었다. 월별 종다양도는 4월 2.95, 5월 3.37, 6월 4.63, 7월 4.62, 8월 4.23, 9월은 2.97이었으며, 평균 종다양도는 3.80으로 서대산 일대의 나비목 곤충상은 비교적 양호한 편으로 조사되었다. This study was carried out to investigate Lepidopterous insect fauna from Mt. Seodae in Geumsan-gun, Chungnam. The samples were collected from April to September in 2001. Total 1,936 individuals belonging to 344 species, 22 families of Lepidoptera were collected. The sum of individuals belonging to Noctuidae and Geometridae exceed 50% of the collected samples in that Noctuidae was consisted of 102 species 589 individuals and Geometridae was 67 species 440 individuals. The dominant species in surveyed area was Rikiosatoa grisea of Geometridae, the dominant species by month were Idiotephria amelia in April, Neptis pryeri in May, Paraona staudinger in June, Ercheia niveostrigata in July, Rikiosatoa grisea in August and Alcis angulifera in September respectively. Species diversity indices by month were 2.93 in April, 3.37 in May, 4.63 in June, 4.62 in July, 4.23 in August and 2.97 in September respectively. Mean species diversity index was 3.80.
김영수,박진식,장성호,장부규,서정민,김장호 동아대학교 환경문제연구소 1996 硏究報告 Vol.19 No.2
This study was carried out to investigate the performance enhancement of forced oxidation operation on the limestone utilization and SO₂ removal efficiency of the pilot flue gas desulfurization system. The results are as follows : 1. The results of the forced oxidation tests have shown that converting from natural to forced oxidation operation can have a significant effect on both limestone utilization and SO₂ removal efficiency of an FGD system. Conversely, if the limestone utilization is maintained at a constant level, the SO₂ removal efficiency will increase. Conversely, if the pH is held constant, the limestone utilization will increase significantly. 2. This characteristic of a forced oxidation system can translate into lower L/G requirements and, therefore, reduced capital and operating costs for slurry recycle pumps. 3. Forced oxidation operation will provide improved limestone utilization and, therefore. reduced limestone reagent costs.
시니어 에어로빅스가 고령자의 우울 및 고독감에 미치는 영향
장주호(Ju Ho Jang),김영숙(Young Sook Kim) 한국여성체육학회 2003 한국여성체육학회지 Vol.17 No.1
The purpose of the study was to explore the effects of regular exercise on negative emotion such as depression and loneliness present the evidence that regular exercise can prevent and delay aging, The subjects of the study consisted of 35 old adults over 65 years in In-Cheon areas. The survey methods of this research are the Self-rating Depression Scale(20 item) by Zung(1965) translated standardized by Yook, Young-Sook(1994) and the 5 Likert Scale modified the UCLA Loneliness Scale(10 item) by Won, Hyung-Joong(1984). The used statistical methods for the data analysis were mean, SD, relative frequency, Paired Samples t-test analysis. The results obtained by the appropriate analytic processes were followed. First, depression were lower in post-exercise(M=2.07) than pre-exercise(M=1.47). Second, loneliness were higher in post-exercise(M=3.85) than pre-exercise(M=4.53).
Ethylenediaminetetraacetic acid(EDTA)항응고제에 의한 Mean Corpuscular Volume(MCV)변화
홍승민,박영진,최하영,임진,정옥연,이호준,이호영,장숙진,문대수 朝鮮大學校 附設 醫學硏究所 1996 The Medical Journal of Chosun University Vol.21 No.2
It is essential that we put the anticoagulant into the blood specimen of the CBC test. However, the value of some parameters in the CBC test can be changed whenever using some anticoagulants. EDTA anticoagulant is mostly used these days. There are 3 kinds of EDTA, that is K_(2-), K_(3-), and Na_(2-) EDTA. The author studies how many effects each the EDTA gets into the true value of blood specimen for MCV of RBCs. Especially we compared the MCV effect of different concentrations of 3 EDTA anticoagulants on the bias with time and instrument. Some results are gotten. In our results, K_(3-)EDTA anticoagulant shows more satisfactory MCV value than K_(2) or Na_(2-)EDTA. On using concentration of EDTA, 1.5㎎ EDTA/㎖ of blood show more satisfactory MCV value than 7.5㎎ EDTA/㎖ of blood. However, the choice of anticoagulant may be dependant on the different instruments.
박영신,남영식,정상영,최재호,장기혁,박원호,Park, Young-Shin,Nam, Young-Sik,Jung, Sang-Young,Choi, Jae-Ho,Jang, Ki-Hyuk,Park, Won-Ho 한국섬유공학회 2012 한국섬유공학회지 Vol.49 No.1
In this work, effects of total draw ratio change on the mechanical properties of polyester fibers were studied. The process parameter was a total draw ratio and the draw ratios that were used ranged from 6.6 to 7.0. Tensile properties are determined from the tensile tester, and crystallite parameters from the density measurement and X-ray diffraction were discussed with the different total draw ratios. The tenacity, young's modulus and crystallinity were increased to 10.6 g/d, 123.2 g/d and 42.1%, respectively, with increase in the total draw ratio. The relations between total draw ratio and mechanical properties of high tenacity polyester fiber were discussed.
So Hee Ahn,Won Yeoung Choi,Ji Won Jeong,Geon Woo Park,Su Yeon Kang,Eun Jeong Kim,Su Rim Sin,Eun Seo Jang,Gye Won Lee,Young Ho Cho 한국식품영양과학회 2021 한국식품영양과학회 학술대회발표집 Vol.2021 No.10
In this study, To investigate the antioxidant activities of Rhaponticum uniflorum extracts (RUE), we assessed scavenging activities on DPPH, ABTS radicals, and reducing power. The DPPH and ABTS radical scavenging activities (SC50) of RUE were 96.97±1.19 μg/mL and 31.26±0.13 μ g/mL, respectively, and the reducing power significantly increased dose-dependent manner. To study the antioxidant effecters of RUE in H₂O₂ induced human keratinocytes, expression of Nuclear factor erythroid-2-related factor 2 (Nrf2) and heme oxygenase-1 (HO-1) were determined by Western blot and qRT-PCR. RUE induced the expression of HO-1, a critical target enzyme of Nrf2, in a concentration-dependent manner. The expression of HO- 1 mRNA was also induced in H₂O₂-treated HaCaT cells but no significant difference in the level of HO-1 mRNA was observed. Taken together, these results suggest that RUE may be useful as a potential ingredient for anti-aging products.
하지에 발생한 피부 결손의 치료에서 전 외측 대퇴부 유리 피판술의 유용성
권영호,장수진 고신대학교 의과대학 2009 고신대학교 의과대학 학술지 Vol.24 No.2
Background : The objective of this study was to evaluate the clinical results of operative treatment on skin defect of lower extremities by free anterolateral thigh flap. Methods : Between 2005 to 2009 we followed up 10 cases who undergoing anterolateral thigh free flap because of lower extremity skin and soft tissue defect. 3 cases are heel, ankle and foot dorsum are each 2 cases, sole and knee, thigh are each 1 case. We observed that of implanted area's color, peripheral circulation at 3, 5, 7 days after operation and evaluation with operating time, amount of hemorrhage, implanted skin necrosis, additional operation, complications. Results : 9 cases of 10 showed successful localization and 1 case showed fail. Size of soft tissue defect due to trauma was 9.5 × 7.3cm (5 × 6cm∼13 × 8cm), due to trauma or infection was 18.3 × 11.8cm (13 × 6cm∼30 × 20cm). Skin color change was mainly due to congestion with hematoma, flap was not observed global congestion or necrosis except 2 cases which showed partial necrosis on margin that treated with conservative therapy. Conclusion : Anterolateral thigh free flap is useful in radical skin defect treatment and had a good results after operation functional reconstruction.