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저염도 음식물 쓰레기를 이용한 퇴비시여가 배추의 생육에 미치는 영향
전윤태,박길환,조경철,김희경,지연태,정순주 全南大學校 農業科學技術硏究所 2001 農業科學技術硏究 Vol.36 No.-
This study was conducted to investigate the changes of physico-chemical properties of soil applied with compost made by food wastes and its effect on the growth and yield of Chinese cabbage. Chinese cabbage was grown in the soil treated with food waste compst(FWC) of 0, 0.625, 1.25, 2.5, 5 and 10㎏/3.3㎡. As the amount of FWC increased, number of leaves, leaf area and fresh weight increased where application of 5㎏ and 10㎏/3.3㎡ showed vigorous plant growth in the late growing period. The pH of soil by application of FWC was not raised, which was similar to the soil before treatment. Organic matter increased in soil by increasing the amount of FWC. However, concentration of Cu and Pb in the soil reduced. The concentration of available phosphate(P) was lower in the soil treated with FWC than in the soil before treatment, which means that a large amount of P may be uptaken by plant. This study suggested that FWC should be an alternative to chemical fertilizer for vegetable production.
논문 : 경로분석을 이용한 뮤지컬 만족도에 관한 가치사슬 구조 분석
김윤태 ( Haw Rye Kim ),김화례 ( Youn Tae Kim ),권병웅 ( Byung Woong Kwon ) 한국연극교육학회 2012 연극교육연구 Vol.20 No.-
Analysis on the Value Chain Structure of Musical Satisfaction Using Path Analysis Kim, Haw-rye/Kwon, Byung-woong/Kim, Youn-tae Path analysis is a form of statistical analysis used to examine therelationships betweenvariablesand its advantage is to enable direct effect, indirect effect and spuriouseffect which are hard to identify by regression analysis. Using path analysis, this study examined the value chain structure of musical elements such as distribution, planning, production and consumption which are expected to affect musical satisfaction. The selected population was Seoul Citizens who watched musicals at least one time and, through random sampling, 250 were selected as sample at eight musical theaterslocated in Daehakro, Chungmuro, etc. in Seoul. Among the questionnaires collected from the 250 samples, 212 were used for this study except 38 unfit for analysis. Survey is composed with total of 24 questions which include 6 demographic questions, 17 audience tendency questions and 18 satisfaction questions. We made value chain structure analysis by dividing each level of satisfaction in planning, manufacturing, distribution and consumption and executing subsequent factor analysis in those satisfaction questions. Study results after reliability analysis of 18 satisfaction level questions showed high level of 0.893 reliability coefficient and therefore, we can tell there exists high level of internal consistency in each factor.
윤철현,류태창,강지은 東亞大學校 建設技術硏究所 2007 硏究論文集 Vol.30 No.2
전 지구적으로 전개되고 있는 세계화 및 정보화는 거역할 수 없는 시대의 대세가 되고 있다. 세계화는 한나라의 국토를 초국적 기업들의 자유 선택적 생산기지화 하는 기저로서 작용한다. 정보화는 국가 간은 물론 개별국가 국토의 시·공간적 장벽을 무의미케 하면서 세계화, 개방화를 더욱 촉진시키고 있다. 이와 같은 세계적 사회변동은 세계경제의 블록화, 국제무역 중심지의 다양화, 그리고 생산과 소비형태의 국제화를 명시화시키고 있다. 초국적 기업이 국경을 초월하여 어디에 입지하느냐에 따라 사람 및 자본이동의 향방이 결정되며, 세계의 경제공간이 재편되기도 한다. 지금 홍콩과 싱가포르는 세계의 물류·금융 중심지화 되고 있고, 중국의 상하이는 거대한 블랙홀처럼 외자를 흡인하여 다국적 기업의 “메카” 화되고 있다. 동아시아에서 발생하는 이 같은 변화는 20세기 후반부터 비롯된 세계화의 영향이다. 동아시아는 해양형 경제권이다. 해양형 경제권의 국가가 세계화 및 개방화에 대응할 초기 조건은 항만시설의 확충이다. 싱가포르, 홍콩, 상하이도 이 맥락에 준하여 개발된 항만도시이다. 특히 상하이는 항만을 기반으로 하여 푸동지구와 같은 거대한 경제특구를 마련하고 있다. 동아시아에서 현대식 항만시설을 갖춘 경제특구개발은 초국적 기업의 유인에 의한 역내국간 경쟁우위의 확보를 위한관건이 된다. 한국은 동아시아 역내국들의 변화를 간파하여 부산·진해를 비롯한 인천과 광양에 경제자유구역을 지정하여 개발하고 있다. 이것은 무한경쟁이라는 국제사회의 냉엄한 현실을 수용한 생존전략차원에서 취해진 조치와 다를 바 없다. 부산·진해 경제자유구역내의 미음지구 개발도 그 일환이다. 따라서 미음지구에 국내외 자본가가 정착토록 할 수 있는 여건 조성은 무엇보다 중요하다. 미음지구개발의 의의 및 배경은 이점에 있다.
최윤이,김소이,김성은,정혜경,김태헌 이화여자대학교 의과학연구소 2015 EMJ (Ewha medical journal) Vol.38 No.1
Objectives: The prevalence of constipation is high after stroke. Multiple factors such as long-term bed-ridden status, comorbidity, medical illnesses are combined in this condition. However, the change of bowel movement during the early stage of stroke remainsuncertain. Methods: Patients with first stroke who admitted in a single institute from 2008 to 2009 were reviewed retrospectively and 36 patients were enrolled. As a control group, 47 consecutive orthopedic patients needing bed rest without surgery in the same period were enrolled. Data of stroke associated factors, frequency of BM (bowel movement) during 5 weeks, use of gastrointestinal medications, and outcomes were collected from the medical records. Results: The cumulative incidence of decreased (<3/week) and severely decreased BM (<1/week) were 80.6% and 69.4% in stroke patients and 53.2% and 14.9% in control group (P<0.05). The cumulative incidence of increased BM (>3/day) was 38.9% in stroke and 14.9% in control group. In acute stroke, 58% of patient showed severely decreased BM in first week, and the proportion was rapidly decreased below 15% from second week. However, laxative use increased with hospital days. The occurrence of severely decreased BM in stroke patients was associated with National Institutes of Health Stroke Scale (NIHSS; P=0.004). Severely decreased BM was not associated with poor outcomes including death, morbidity, and stroke recurrence. Conclusion: Decreased BM is common in acute stroke. The occurrence of severely decreased BM is associated with NIHSS. However, the severe manifestation occurred mainly in the first week, and considered to be well controlled by laxatives.
기생소자와 U슬롯에 의해 대역이 확장된 KPCS용 2x2패치 배열 안테나
윤지훈,손태호 순천향대학교 부설 산업기술연구소 2004 순천향 산업기술연구소논문집 Vol.10 No.2
In this paper, a 2x2 patch array antenna, expanded bandwidth by U-slot with parasitic elements KPCS mobile phone base system, is designed. To expand bandwidth of microstrip patch antenna, parastic elements both side of patch have been commonly applied. We add a U-slot in the patch to obtain wider bandwidth than those which are only applied parasitic elements. For measurement, epoxy substrate 1.2㎜, 4.75 relative dielectric constant and 0.0019 loss tangent was used for fabrication. Measured results of uniform fed 2x2 patch antenna show that 1.835㎓ resonance frequency and 50㎒-10㏈ bandwidth, and they are compared with theoretical results.
전기화학적 방법을 이용한 저온형 연료전지용 고분산 Pt 촉매의 제조
윤봉국,최재식,김현수,임태훈,홍성안,이호인 한국공업화학회 2003 응용화학 Vol.7 No.2
Pt was deposited on carbon support by chronoamperometry. The catalytic activity for methanol oxidation was checked by CV (cyclic voltammetry) method. The amount of Pt loading was calculated by integration of I-t curve obtaining the total current used for the Pt deposition. The ECA (electrochemical active surface area) for loaded Pt was calculated from the hydrogen adsorption/desorption peaks in 0.5 M H₂SO₄solution. Pt was deposited on clean carbon electrode surface with various concentration of Pt solution (0.1 mM) was used. As the concentration of Pt increased, the specific catalystic activity of Pt decreased suggesting that, in the electrochemical reaction of Pt ion with electrode surface, Pt particles were smaller and more dispersed in low concentration of Pt solution. With this condition (0.1 mM Pt), Pt was electrodeposited on a commercial carbon support, Vulcan XC-72. Electrochemically loaded Pt catalyst had the higher ECA, and showed higher specific catalytic activity for mathanol oxidation than a commercial Pt/C catalyst.
척수압박으로 발현된 급성 골수성 백혈병에 동반된 과립구성 육종 1 례
윤상준,김영곤,김희종,박유환,정춘해,김양수,김태균,박영진,전호종 조선대학교 부설 의학연구소 2000 The Medical Journal of Chosun University Vol.25 No.1
저자들은 척수압박으로 하지마비를 보인 환자에서 수술 후에 급성 백혈병에 동반된 과립구성 육종으로 진단된 환자 1례를 경험하였기에 문헌고찰과 함께 보고하는 바이다. Granulocytic sarcoma(GS) is an uncommon tumor composed of immature cells of the granulocytic series. Most case of GS occur in the course of acute leukemia and the blast crisis of chronic leukemia, Rarely, however, it may present before leukemia becomes clinically apparent. It may also occur in patients with myeloproliferative disoders. GS has been reported that it occurs in 3% to 9% of patients with acute myelogenous leukemia(AML) and the incidence of GS is reported to be higher in patients with t(8;21). GS occurs relatively commonly in africa and has been reported to affect 10-25% of black children presenting with AML. This is very rare case of granulocytic sarcoma with AML(FAB M5) presented with spinal cord compression which was supported by decompression laminectomy.