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窒素, 燐酸 및 加里의 施肥水準이 藥用作物 仙鶴草(Agrimonia pilosa L.)의 生育 및 收量에 미치는 影響
김현경,황필성,이용호,김기영,정대수 東亞大學校 大學院 2000 大學院論文集 Vol.25 No.-
This study was carried out to determine the effect of various fertilizer levels on the growth and yield of Agrimony. this experiment was conducted for 2years from 1998 to 1999 in Medicinal Plant Experiment Station, Kyungnam ARES. The results obtainned were summarized as follows : 1. The growth characteristics such as plant height, tillers and leaf numbers were more increased at 22-10-10 plot than of other fertilizer levels. 2. Variations of percent flowering of Agrimonia pilosa L. treated with different fertilizer levels were more increased at 22-10-10 plot than of other fertilizer levels. 3. Yield per 10a of Agrimonia pilosa L., Fresh weight was 1,500kg in 22-10-10 plot, and 243kg in non-treatment plot. The dry weight was 736kg in 22-10-10 plot, and 96kg in non-treatment plot. Yield of Seed and Fruit following to different application levels was highest at the fertilizing plot of N, P2O5, K2O=22-10-10.
Charge Pump Circuits with Low Area and High Power Efficiency for Memory Applications
Kyeong-Pil Kang,Kyeong-Sik Min 대한전자공학회 2006 Journal of semiconductor technology and science Vol.6 No.4
New charge pump circuits with low area and high power efficiency are proposed and verified in this paper. These pump circuits do not suffer the voltage stress higher than VDD across their pumping capacitors. Thus they can use the thin-oxide MOSFETs as the pumping capacitors. Using the thin-oxide capacitors can reduce the area of charge pumps greatly while keeping their driving capability. Comparing the new pump (NCP-2) with the conventional pump circuit using the thick-oxide capacitors shows that the power efficiency of NCP-2 is the same with the conventional one but the area efficiency of NCP-2 is improved as much as 71.8% over the conventional one, when the VPP/VDD ratio is 3.5 and VDD=1.8V.
Kyeong Yong Lee,Sang Beom Lee,In Gyun Park,Pil Don Kang,Hyung Joo Yoon 한국응용곤충학회 2015 한국응용곤충학회 학술대회논문집 Vol.2015 No.04
We investigated the distribution, sex ratio, and natural enemies and nesting competition insects of mason bees, Osmia spp. in 32 apple orchards during 2006 to 2008. The rate of bee nested was 14.0±1.7%. The rate of fauna nested were Osmia spp., 66.0%, natural enemies, 21.7% and nesting competition insects, 11.6%. We collected five species of Osmia spp. consisting of Osmia cornifrons, O. pedicornis, O. taurus, O. satoi and O. jacoti. In case of collected five Osmia spp, O. cornifrons was 69.6%, which was the dominant species and O. pedicornis was 13.0% and O. taurus was 11.2%, respectively. The collecting rate of Osmia spp. was significant difference among each year and 10 locations. The sex ratio of Osmia spp. were 1:1.9 in O. cornifrons, 1:5.1 in O. pedicornis and 1:2.2 in O. taurus. The sex ratio of O. cornifrons was significant difference among each year and 10 locations. Seven species of natural enemies that attack Osmia spp. were collected in apple orchard. Trogoderma and Chaetodactylus showed the highest rates with 48% and 38% among 7 natural enemies. Also, we collected nine species of nesting competition insects. Anterhynchium flavomaginatum showed the highest rates with 38.6% among 9 nesting competition insects.
Charge Pump Circuits with Low Area and High Power Efficiency for Memory Applications
Kang, Kyeong-Pil,Min, Kyeong-Sik The Institute of Electronics and Information Engin 2006 Journal of semiconductor technology and science Vol.6 No.4
New charge pump circuits with low area and high power efficiency are proposed and verified in this paper. These pump circuits do not suffer the voltage stress higher than $V_{DD}$ across their pumping capacitors. Thus they can use the thin-oxide MOSFETs as the pumping capacitors. Using the thin-oxide capacitors can reduce the area of charge pumps greatly while keeping their driving capability. Comparing the new pump (NCP-2) with the conventional pump circuit using the thick-oxide capacitors shows that the power efficiency of NCP-2 is the same with the conventional one but the area efficiency of NCP-2 is improved as much as 71.8% over the conventional one, when the $V_{PP}/V_{DD}$ ratio is 3.5 and $V_{DD}$=1.8V.
강경필(Kyeong-Pil Kang),민경식(Kyeong-Sik Min) 대한전자공학회 2006 대한전자공학회 학술대회 Vol.2006 No.11
본 논문에서는 저면적 및 고효율 특성을 갖는 새로운 전하펌프 회로를 제안하고 검증하였다. 제안된 펌프의 pumping capacitor 에는 VDD 보다 높은 high voltage stress 가 걸리지 않는다. 따라서 pumping capacitor 들은 thin-oxide MOSFET 으로 구현할 수 있고 이로 인해 전하펌프의 면적을 크게 줄일 수 있었다. 본 논문에서 제안한 새로운 펌프의 전력효율은 Vpp/VDD의 비가 3.5 일 때 기존의 Dickson pump 보다 290% 더 향상되었다. 또한 면적효율은 Vpp/V<SUP>DD</SUP>의 비가 3.3 일 때 기존의 Dickson pump 보다 335% 더 향상되었고, 기존의 doubler pump 보다는 69% 더 향상되었다.
"소외" 의 개념 재조명: 청소년 교육복지 분야에의 이론적 함의
주경필 ( Kyeong Pil Joo ) 한국청소년복지학회 2013 청소년복지연구 Vol.15 No.4
본 연구의 목적은 마르크스를 비롯한 여러 비판적 사상들의 핵심 개념 중 하나인 소외를 재조명함으로써 청소년 연구에 이론적 함의를 모색하는 것이다. 소외는 전통적인 정치경제학 사상 중 하나인 마르크스의 철학으로부터 시작하여, 이후 다양한 비판적 사회학 혹은 사회심리학 이론들의 근간이 되었다. 특히 인간의 본질을 자본의 원리와 함께 제시한 마르크의 통찰은 자본주의로 대표되는 근현대 사회가 지니는 다양한 구조모순을 논리적으로 설명한다는 점에서 소외 청소년 또는 청소년 소외를 연구할 때 주목할 필요가 있다. 구체적으로 연구자는 마르크스의 전통적 소외 개념, 개념의 사회학적 발달, 비판적 개념으로서의 소외를 차례로 다루었고, 이후 지금까지의 선행연구에서 소외를 교육, 복지와 어떻게 연관 지어 다루었는지를 제시하고 있다. 이를 통해, 소외 개념을 활용한 청소년연구가 청소년교육 및 복지에 어떤 함의를 지니는 지를 구체적으로 논의하였다. 특히 소외의 개념적 가치가 청소년 개발활동 및 연구에 진보적인 접근을 가능하게 한다는 점을 강조하며, 청소년의 소외에 대한 깊은 성찰과 폭넓은 개념적 활용의 필요성을 주장하였다. The purpose of this study is to revisit the notion of alienation, which is a key concept of Marx`s work as well as other critical social traditions, in relation to youth education and welfare by reviewing the key literature and identifying major conceptual issues. The study specifically discusses the classic notion of alienation centered in the Marxist tradition, the sociological development of the concept, alienation as a critical concept, and potential issues when the concept is applied to youth studies. Subsequently, it illuminates the theoretical implications of alienation for youth education and welfare by means of elaborating how the notion have generally been adopted in the existing body of education and social welfare research. This conceptual discussion calls attention of youth researchers to critical perspectives of the theory of alienation, which can ultimately contribute to the progressive approach to youth development practice and research.
논문 : 생물생산시설 및 환경공학 ; 연속형 천창을 가진 벤로형 온실의 자연환기 특성 분석
권진경 ( Jin Kyeong Kwon ),이성현 ( Sung Hyun Lee ),성제훈 ( Jae Hoon Seong ),문종필 ( Jong Pil Moon ),이수장 ( Soo Jang Lee ),최병민 ( Byeong Min Choi ),김경자 ( Kyeong Ja Kim ) 한국농업기계학회 2011 바이오시스템공학 Vol.36 No.6
In this study the characteristics of natural ventilation of Venlo-type greenhouse with continuous roof vents were analyzed using commercial computational fluid dynamics (CFD) code. Developed CFD simulation model was verified by comparison with experimental data. Simulation errors were 1.9-46.0% for air velocity and 1.7-11.2% for air temperature at each measurement point. CFD simulations were conducted to estimate the effect of roof vents opening direction, opening angle, outside wind velocity and wind directions on ventilation rate and climate condition in greenhouse. The results of this study showed that ventilation rate of the present greenhouse was increased linearly in proportion to the increase of roof vent opening angle and outside wind velocity over 2.0 m/s. According to the analysis on the effects of different roof vent opening direction, simultaneous opening of wind and leeward vents showed the highest ventilation rate and lowest mean temperature in greenhouse.
( Kyeong Ok Kim ),( Kyu Chan Huh ),( Sung Pil Hong ),( Won Hee Kim ),( Hyuk Yoon ),( Sang Wook Kim ),( Yeon Soo Kim ),( Jong Ha Park ),( Jun Lee ),( Bum Jae Lee ),( Young Sook Park ) 대한간학회 2018 Gut and Liver Vol.12 No.5
Background/Aims: The aims of the present study were to determine the frequency of interval colorectal cancers (CRCs) after surveillance colonoscopy and to compare the clinicopathologic features and survival outcomes with those of noninterval CRCs. Methods: From January 2003 to December 2013, 66,016 follow-up colonoscopies for 38,412 patients performed within recommended time were reviewed retrospectively based on data from 11 tertiary hospitals in South Korea. To compare clinicopathologic features and survival rates for interval CRC, 106 patients with non-interval CRC matched in age and gender were included. Results: Among the 66,016 colonoscopies performed within the surveillance period, 63 cases (63/66,016) of interval CRC were detected, and 53 were finally included in the analysis. The mean age was 69.9±8.8 years, and the male to female ratio was 1.94:1. Although the occurrence rate of cancer in the right side colon was higher than that of non-interval CRC, interval CRCs were predominantly left sided. Other clinicopathologic features and overall survival were not significantly different between the two groups. Missed lesion was suspected to be the most common cause (29 cases, 54.7%). Conclusions: The frequency of interval CRC among patients who had undergone a surveillance colonoscopy was 0.095%. While sharing some similar clinical features and survival outcomes, interval CRCs in Korea developed more often in males and on the left side in contrast to results from Western studies. (Gut Liver 2018;12:537-543)