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Introduction of virtual open chamber for testing a weather modification technique in Korea
J-W Cha,K-H Chang,M-J Lee,J-Y Jeong,J-W Jung,H-Y Yang,K-L Kim,Y-C Kim,C-H Kim,K-H Nam,M-K Suk,C-K Jung,H-Y Go,J-H Chae,G-W Lee,Y-H Cho,S-H Jung,H-M Park,Y-A Oh,J-Y Jung,B-G Kim,Y-J Kim,M-H Choi,S-D Ki 한국기상학회 2009 한국기상학회 학술대회 논문집 Vol.2009 No.4
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중부 평야지에서 사일리지용 옥수수 품종 선발에 관한 연구 - 파종시기가 사일리지용 옥수수의 생육특성 및 수량에 미치는 영향 -
김원호,김원영,김영진,한학석,김준식,김맹중 ( W . H . Kim,Y . W . Kim,Y . J . Kim,H . S . Han,J . S . Kim,M . J . Kim ) 한국축산학회 1998 한국축산학회지 Vol.40 No.1
This experiment was conducted at theForage Research Farm of the Beef and Dairy Cattle Division, National Livestock Research Institute, Songhwan in 1992 and 1995 to investigate the effects of planting time (April 15, May 11, June 5) on the growth and yield of silage com(Zea mat`s L.). In the plant height, P3144W and DK729 were taller than the others, as 301.6, and 296.3cm, respectively, and P3282 was the shortest as 247.7㎝ at the first planting time. P3144W and DK729 were taller than the others, as 303.6㎝, 281.7㎝, respectively, and P3282 was the shortest as 249.6㎝ at the second planting time. P3144W was the tallest as 276.9㎝. DK689 was the shortest as 246.1㎝ at the third planting time. The ear heights of P3144W and P3282 were 137.3 and 132.7㎝, respectively, and Suweon 19 was the shortest as 116.4㎝ at the first planting time. Those of P3144W and P3282 were as 135.9, 134.4㎝, respectively, and Suwoen 19 was the shortest as 112.1㎝ at the second planting time. P3144W was the tallest as 111.0㎝ and Suweon 19 was the shortest as 94.2㎝ at the third planting time. In the dry matter yield per ha, P3352, DK729 and P3144W were higher than the others as 18,957, 18,840, 18,743㎏, respectively, and P3282 was the lowest as 13,863㎏ at the first planting time. 64743 and P3352 were 18,183 and 17,874㎏, respectively, and Suwoen 19 was the lowest as 15,007㎏ at the second planting time. P3144W was the highest as 19,112㎏ and Suwnen 19 was the lowest as 14,793㎏ at the third planting time. The TDN yield per ha, of P3352, P3144W and DK729 were 13,552, 13,281 and 13,252㎏, respectively, and P3282 was the lowest as 9,793㎏ at the first planting time. 64743 and P3352 were higher than the others as 13,149 and 13,009kg, respectively, and Suwoen 19 was the lowest as 10,872㎏ at the second planting time. P3144W was the highest as 13,521㎏ and Suwven 19 was the lowest as 10,392㎏ at the third planting time.
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임용우(Y. W. Rim),김기용(K. Y. Kim),김맹중(M. J. Kim),성병렬(B. R. Sung),임영철(Y. C. Lim),정의수(E. S. Chung),신홍균(H. K. Shin),김용선(Y. S. Kim) 한국잡초학회·한국잔디학회 2003 Weed & Turfgrass Science Vol.17 No.2,3
2001년 수집된 한국잔디 133계통들 중에서 우수한 계통들을 선발하기위하여 밀도(품질),<br/> 피복성, 녹색기간, 내병성, 출수유무(종자수) 등의 주요특성과 그 외 생육특성들이 조사되었다. 생육특성이 우수한 6계통이 선발되었으며 그 결과를 요약하면 다음과 같다.<br/> 수집된 133계통들 중에서 가장 녹색기간이긴 계통은 J01067으로 11월초까지 녹색도를 유지하였다. J01106 및 J01129 계통들은 엽폭이 각각 1.5mm 및 2mm 정도로 매우 좁으며, 밀도가 높고, 피복성도 좋은 것으로 나타났으며, 내병성도 강하였다. J01122 계통은 들잔디 계통들 중에서 유일하게 내병성이 강한 계통으로 선발되었다. J01128 계통은 엽폭이 3.2mm로 중엽에 속하였으며, 대비품종인 Sunburst 와 비슷하였다. 이 계통의 경우도J01106, J01129 계통들과 마찬가지로 밀도가 높고 내병성이 강한 것으로 나타났다.<br/> 수집된 133계통들의 형태적 분류를 위하여 5가지의 생육특성을 사용하여 크게 세가지 군집<br/> 으로 분류하였으며, 그 중에서 대비품종으로 사용된 6품종들과 선발된 우수 6계통의 분류는<br/> 다음과 같다. 제 1군집에 속하는 품종 및 계통은 Belare, Meyer, 안양중지(Anyang-jungji), J01067, J01112 등이 포함되었으며, 제 2군집으로는 S-94, J01105가 포함되었고, 제 3군집에는 Sunburst, 건희(Konhee), J01106, J01128, J01129 등이 포함되었다. Growth characteristics such as density(quality), covering speed, green period, disease resistance, heading existence(number of seeds) and other characteristics were examined for selection of superior lines among the 133 zoysiagrass lines collected in 2001. Six superior lines were selected and the results were summarized as follows.<br/> Superior line, J01067 was longest for green period among the 133 zoysiagrasses and stayed green until the beginning of November. Leaf width of J01106 and J01129 lines was very narrow as 1.5㎜ and 2㎜, respectively and superior for density(quality), covering speed and disease resistance. J01122 line was selected for strongest disease resistance among the lines of Zoysia japonica. Leaf width of J01128 was 3.2㎜ showing midium type and similar to standard cultivar, Sunburst. This line also showed higher density and strong disease resistance like J01106 and J01129.<br/> Five growth characteristics for morphological classification of 133 zoysiagrass lines<br/> was used and divided into 3 cluster groups. Of 133 lines, 6 standard cultivars and 6 superior lines were classified as follows. First cluster group contained Belare, Meyer, Anyang-jungji, J01067, J01122, and second group contained S-94 and J01105, and third group contained Sunburst, Konhee, J01106, J01128 and J01129.<br/> <br/>
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Song, K.J.,Ko, R.K.,Kim, H.S.,Ha, H.S.,Ha, D.W.,Oh, S.S.,Park, C.,Yoo, S.-I.,Kim, M.W.,Kim, C.J.,Joo, J.H. Institute of Electrical and Electronics Engineers 2007 IEEE transactions on applied superconductivity Vol.17 No.2
<P>The degree of ferromagnetism of Ni-W<SUB>y</SUB> alloys decreases as W-content y increases. Both the saturation magnetization <I>M</I> <SUB>sat</SUB> and Curie temperature <I>T</I> <SUB>c</SUB> decrease linearly with W-content y, and both <I>M</I> <SUB>sat</SUB> and <I>T</I> <SUB>c</SUB> go to zero at critical concentration of y<SUB>c</SUB> ~9.50 at.% W. To compare with Ni-W alloys, the magnetic properties of a series of both as-rolled (non-textured) and annealed (biaxially textured) [Ni<SUB>97at.%</SUB>-W<SUB>3at.%</SUB>]<SUB>100-x</SUB>-Cu<SUB>x</SUB> alloy tapes with compositions x = 0, 1, 3, 5, and 7 at.%, were studied. Characterization methods included XRD analyses to investigate the biaxial texturing of the annealed [Ni-W]-Cu alloy tapes and studies of the magnetization for both as-rolled and annealed [Ni-W]-Cu alloy tapes. Both the isothermal mass magnetizations <I>M</I>(<I>H</I>) of a series of samples at different fixed temperatures and <I>M</I>(<I>T</I>) in fixed field, were measured. The effect of Cu addition on both the saturation magnetization and Curie temperature T<SUB>c</SUB> of the Ni<SUB>97at.%</SUB>-W<SUB>3at.%</SUB> alloy was investigated.</P>
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Glass / p μc-Si:H 특성에 따른 i μc-Si:H 층 및 태양전지 특성변화 분석
장지훈(Jang, J.H.),이지은(Lee, J.E.),김영진(Kim, Y.J.),정진원(Jung, J.W.),박상현(Park, S.H,),조준식(Cho, J.S.),윤경훈(Yoon, K.H.),송진수(Song, J.),박해웅(Park, H.W.),이정철(Lee, J.C.) 한국신재생에너지학회 2009 한국신재생에너지학회 학술대회논문집 Vol.2009 No.06
PECVD를 이용하여 제조된 미세결정질 p-i-n 실리콘 박막 태양전지에서, p 층은 태양전지의 윈도우 역할 및 그 위에 증착될 i {mu}c-Si:H 층의 'seed'층 역할을 수행하기 때문에, p층의 구조적 및 전기적, 광학적 특성은 태양전지의 전체 성능에 큰 영향을 미칠 수 있다. 본 연구에서는 SiH₄ 농도를 변화시켜 각기 다른 결정 특성을 갖는 p {mu}c-Si:H층을 제조하고 그 위에 i {mu}c-Si:H 층을 증착하여 p층의 결정 특성변화와 그에 따른 i {mu}c-Si:H 층 및 'superstrate' p-i-n 미세결정질 실리콘 박막 태양전지의 특성 변화를 조사하였다. P층의 경우, SiH₄ 농도가 증가함에 따라 결정분율 (Xc)이 감소하여 비정질화되었으며 그에 따라 dark conductivity가 감소하는 경향을 나타내었다. 각기 다른 결정분율을 가지는 p 'seed' 층 위에 증착된 태양전지는, p 'seed' 층의 결정분율이 증가함에 따라 개방전압, 곡선인자, 변환효율이 경향적으로 감소하였다. 이는 p 층 결정분율 변화에 따른 p/i 계면특성 저하 및 그 위에 증착되는 i {mu}c-Si:H 층의 결함밀도 증가 등에 따른 태양전지 특성 감소 때문인 것으로 판단되며, 이를 분석하기 위하여 i {mu}c-Si:H 층의 전기적, 구조적 특성 분석 및 태양전지의 dark I-V 특성 등을 분석하고자 한다.
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Kim, H.,Kim, M.O.,Lim, J.W. Academic Press 2014 Journal of algebra Vol.416 No.-
<P>Let D be an integral domain, S be a (not necessarily saturated) multiplicative subset of D, w be the so-called w-operation on D, and M be a unitary D-module. As generalizations of strong Mori domains (respectively, UFDs) and strong Mori modules, we define D to be an S-strong Mori domain (respectively, S-factorial domain) if for each nonzero ideal I of D, there exist an s E S and a w-finite type (respectively, principal) ideal J of D such that s/ C J C and M to be an S-strong Mon module if M is a w-module and for each nonzero submodule N of M, there exist an s E S and a w-finite type submodule F of N such that sN C F C N. This paper presents some properties of S-strong Mon domains, S-factorial domains and S-strong Mon modules. (C) 2014 Elsevier Inc. All rights reserved.</P>
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장애인 주간보호시설의 비대면 체육수업 운영 경험에 관한 연구
노승덕,이근호,박철승 한국특수체육학회 2022 한국특수체육학회지 Vol.30 No.2
The purpose of this study is to understand the improvement factors of non-face-to-face physical education classes in day care center used by adults with developmental disabilities in the COVID-19 era. Accordingly, in-depth interviews were conducted with 5 sports instructors for the disabled who are working at the G sports association for the disabled. Data collection was conducted from August 2021 to February 2022, and a triangulation method such as content review of research participants and expert meetings was implemented to secure the trustworthiness of the research. For the analysis of the collected data, the topics were selected as ‘problems of non-face-to-face physical education classes’, ‘contents of online classes in day care facilities for the disabled’, and ‘plans to improve online classes’ through an inductive content analysis method. The results of this study are as follows. First, the problems of non-face-to-face physical education classes were difficulty in online class preparation process, difficulty in online class process, and poor exercise environment in daycare center for the disabled. Second, the contents of online physical education classes at daycare center for the disabled were customized classes through program transformation and online cooperative classes with daycare center managers. Third, It was found that expansion of equipment and facilities for online classes, preparation of sports instructors for the disabled and manpower support system, establishment of an online physical education system for the disabled were found to be necessary to improve online physical education classes. Based on these results, in order to activate non-face-to-face physical education classes in daycare center for the disabled, improvement of the online physical education class environment, capability development of sports instructors for the disabled and cooperation with the manger in charge of daycare center, and preparation of an online physical education system for the disabled is presumed to be necessary. 본 연구는 코로나19 상황에서 성인 발달장애인들이 이용하는 주간보호시설에서의 비대면 체육수업의 개선 요인을 이해하는데 그 목적이 있다. 이를 위해 G장애인체육회에서 근무하고 있는 장애인스포츠지도사 5명을 대상으로 심층면담을 실시하였다. 자료 수집은 2021년 8월부터 2022년 2월까지 진행하였으며, 연구의 진실성을 확보하기 위해 연구 참여자의 내용검토, 전문가회의 등 삼각검증법을 시행하였다. 수집된 자료의 분석은 귀납적 내용분석 방법을 통해 ‘비대면 체육 수업의 문제점’, ‘장애인주간보호시설에서 온라인 수업내용’, ‘온라인 수업 개선방안’으로 주제를 선정하였다. 연구 결과는 첫째, 비대면 체육 수업의 문제점은 ‘온라인 수업 준비과정의 어려움’, ‘온라인 수업 진행과정 어려움’, ‘장애인주간보호시설의 열악한 운동환경’으로 나타났다. 둘째, 장애인주간보호시설에서 온라인 체육수업 내용은 ‘프로그램 변형을 통한 맞춤형 수업’, ‘시설 담당자와 온라인 협력수업’으로 나타났다. 셋째, 온라인 체육수업 개선방안으로 ‘온라인 수업을 위한 장비 및 시설 확충’, ‘지도자의 역량 및 인력지원 체계 마련’, ‘장애인을 위한 온라인 시스템 구축’이 필요한 것으로 나타났다. 이 결과로 보아 장애인 주간보호시설의 비대면 체육수업을 활성화를 위해서는 온라인 체육수업 환경의 개선, 지도자 역량 및 주간보호시설 담당자와의 협력, 장애인을 위한 온라인 체육수업 시스템이 마련되어야 할 것으로 사료된다.
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