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부산시(釜山市) 가로수(街路樹)의 생태(生態)에 관한 연구(硏究)
권상수 ( Sang Soo Kwon ),구우서 ( Woo Seo Goo ),박정기 ( Chung Ki Park ),이용문 ( Yong Moon Lee ) 東亞大學校附設 石堂傳統文化硏究院 1980 石堂論叢 Vol.4 No.-
本 實驗의 結果는 釜山市의 主要幹線道路邊의 SO2의 汚染度와 街路樹의 被害調査를 하여 都市淨化를 目的으로 街路樹葉內에 吸收된 總硫黃含量을 測定한 것이다. 그 結果로서 都市의 SO2 汚染은 主로 車輛의 排氣 gas와 産業體의 煙突에서 排出하는 gas에 의한다고 推定되었고 各 樹種間의 SO2의 消耗量은 다음과 같다. 1) 該當中央路地域은 SO2의 吸收量은 많았다. 2) 各樹種別의 SO2의 消耗量은 수양버들(4.85mg/g.d`wt)로 가장 많았고, 푸라타나스(3.22mg/g.d.wt), 은행나무(2.47mg/g.d.wt)의 順位였다. 3) 住居地域인 東大新洞 三街地區, 綠地地域인 蓮池洞은 交通量에 比較해서 硫黃吸收量이 많은 理由는 山岳과 海岸을 낀 風量이 釜山市的인 特殊位置에서 氣流의 逆流現像을 이르킨 結果인 것으로 思料된다. 4) 釜山市의 街路에 植栽된 樹木의 生態上의 被害는 公害의 主要因인 地上公害와 地下公害로 되어 있으나 地上公害의 主要因은 大氣公害가 가장 甚하며 그 要素는 硫化物質의 複合體인 Oxidants의 被害라고 생각된다. 따라서 街路樹의 生態上의 諸般被害原因을 根本的으로 解決하기 위해서는 其他의 公害發生源과 自然災害發生源에 對하여 廣範圍하게 測定 調査하는 일이再考되어야 한다고 본다. The study on the contamination rates of SO2, Gas on Leaves of Various Street Trees of important streets of Busan City were carried out. The results obtained were as followings 1) was supposed that the contamination sources of SO2 Gas were various automobiles and chimneys stack of various industrial factores, 2) The highest contamination rate of SO2 Gas were Leaves of Street Trees in Jung Ang Ro and the contamination rates on various streettrees were 4.75mg/g.d.wt, at Salix. 3.22mg/g.d.wt. for platnus and 2.47mg/g.d.wt. for GinKo respectively 3) 3rd Dong Dae Sin Dong where is residential area and Yun Ji Dong where is park area were the highest contamination rates. Because reflux phenomena of air occured between mount diuonsareas and beaches. 4) The contamination on leaves of street trees were by reason oxidants complexes sulfur.
체세포배발생을 통한 국내 주요 고구마 품종의 식물체 재분화
권은정,권석윤,김문자,안영섭,이준설,정병춘,곽상수,이행순,Kwon, Eun-Jeong,Kwon, Suk-Yoon,Kim, Moon-Za,Lee, Joon-Seol,Ahn, Young-Sup,Jeong, Byeong-Choon,Kwak, Sang-Soo,Lee, Haeng-Soon 한국식물생명공학회 2002 식물생명공학회지 Vol.29 No.3
4종류 고구마 품종을 대상으로 정단분열조직 배양에 의한 배발생 캘러스 유도, 이들로부터 고빈도의 체세포배발생과 식물체 재분화 체계를 확립하였다. 자미. 율미, 신황미, 및 화이트 스타의 생장점을 LS 기본배지에 1 mg/L auxin (2,4-D, picloram, dicamba)가 첨가된 배지에서 배양하였다. 그 결과 2,4-D 첨가 배지에서 가장 높은 빈도로 배발생 캘러스가 유도되었으며, 배양 4주째에 유도된 배발생 캘러스의 빈도는 신황미, 자미, 율미. 및 화이트 스타에서 86%, 78%, 76%, 및 80%를 각각 나타내었다. 2,4-D 첨가 배지에서 얻어진 배발생 캘러스를 2.4-D를 제거한 배지로 옮겨 주어 체세포배를 유도하였으며, 이 체세포배의 90% 이상이 완전한 식물체로 발달하였다. 이러한 결과는 정단분열조직 배양으로부터의 체세포배 발생 방법이 광범위한 고구마 품종에 적용될 수 있을 뿐만 아니라 분자육종을 통한 신기능성 고구마 품종개발에 효율적으로 이용될 수 있을 것으로 기대된다. An efficient plant regeneration system of major cultivars of sweetpotato (Ipomoea batatas (L.) Lam.) in Korea via somatic embryogenesis was established. Embryogenic calli were formed from shoot apical meristems of sweetpotato cultivars when cultured on LS medium supplemented with 1 mg/L auxin (2,4-D, picloram, dicamba). Among three kinds of auxin, 1 mg/L 2,4-D showed the highest embryogenic calli induction rate. After 4 weeks of cultures on LS medium supplemented with 1 mg/L 2,4-D, embryogenic calli induction rates of Sinhwangmi, Zami, Yulmi, and White Star were 86%, 78%, 76%, and 80%, respectively. Upon transfer onto LS basal medium, most of somatic embryos developed into plantlets. Regenerated plantlets were transplanted to potting soil and grown to mature plants in a greenhouse.
상업적 유소년스포츠클럽 참여동기와 선택속성이 지속의도에 미치는 영향
정우진(Woo Jin Jung),권상수(Sang Soo Kwon) 한국사회체육학회 2007 한국사회체육학회지 Vol.0 No.31
The purpose of this study was to examine how young children`s motivation of joining a specific commercial youth sport club and the attributes of their choice of it affected their intention of keep joining it. The subjects in this study were young children who were selected by purposeful sampling from among members of commercial youth sport clubs in Seoul and Gyeonggi province. An exploratory factor analysis (EFA) was utilized to verify the validity of selected questionnaires, and then the reliability of finalized questionnaires was checked. After a survey was conducted, the answer sheets from 474 respondents were analyzed except inappropriate and unreliable ones. SPSS Ver. 14.0 program for Windows was employed, and factor analysis, correlational analysis and multiple regression analysis were used. The findings of the study were as follows. First, their willingness to keep joining the commercial youth sport clubs was under the positive influence of three sorts of joining motivation, which included a pursuit of pleasure, a pursuit of a sense of achievement and a pursuit of peer relationship. Second, their intention to keep joining the commercial youth sport clubs was positively affected by all the attributes of sport club choice, which involved reasonable cost, facility convenience and program diversity.
테니스동호인의 성격특성이 라켓구입시 라켓제품속성과 구매 후 행동에 미치는 영향
정우진(Woo Jin Jung),권상수(Sang Soo Kwon) 한국사회체육학회 2009 한국사회체육학회지 Vol.0 No.37
The purpose of this study was to examine the impacts of the personality characteristics of tennis lovers on the product attributes of racket and post-purchase behavior. The subjects in this study were tennis lovers who were selected by convenience sampling, one of non-probability sampling methods, from 12 selected tennis clubs that registered with the Sports for All Association in the cities of K and U, Gangweon province. The instrument used in this study was questionnaire. An exploratory factor analysis(FTA) was utilized to verify the validity of the questionnaire, and the reliability of the finally selected items was checked. After a survey was conducted, the answer sheets from 430 respondents were selected except inappropriate or unreliable ones, and SPSS 14.0 for Windows program was employed to analyze the collected data. A factor analysis, correlation analysis and multiple regression procedures were utilized, and the level of significance was all set at a=.05. The findings of the study were as follows: First, the personality characteristics of the tennis lovers investigated exerted a positive influence on the product attributes of rackets when they bought it. Second, the personality characteristics of the tennis lovers had a positive impact on their satisfaction level, one of post-purchase behavior. Third, the personality characteristics of the tennis lovers affected their repurchase intention, one of post-purchase behavior, in a positive manner. Fourth, the product attributes of racket had a positive impact on satisfaction level, one of post-purchase behavior. Fifth, the product attributes of racket exerted a positive influence on repurchase intention, one of post-purchase behavior.