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추건이,강귀자 한국스포츠리서치 2005 한국 스포츠 리서치 Vol.16 No.2
The purpose of this study is to examine the relationships among the degree of participation in dance sports, flow experience and self-actualization of dance sports' participants. For accomplishing the purpose, 400 subjects were selected using the multi-stage stratified random cluster sampling method from the dance participants. The data for the study were collected through the survey questionnaires. For collecting the data on flow experience. the questionnaire of Expansion of Sport Commitment Model (ESCM) developed by Scanlan(1993) and standardized in Korean language by Jung(1997) was used. And also for collecting the data on self-actualization, the questionnaire of self-actualization developed by Min(1986) was used. The statistical methods utilized for testing the hypotheses were Cronbach's α, descriptive statistics, standard multiple regression analysis and path-analysis through standard multiple regression. From the analyses of the data, the conclusions of the study were obtained as follows ; first, the degree of participation in dance sports influences on the flow experience in dance activity. In detail, the higher the frequency of participants' dance activity, the higher the participants' cognitive commitment in dance activity. And the higher the intensity of participants; dance activity. the higher the participants' behavioral commitment in dance activity. Second, the degree of participation in dance sports influences on the self-actualization in dance activity. In detail, the higher the frequency of participants' dance activity, the higher the participants' development of ability. And the higher the participants' intensity of dance activity. the higher the realization of purposed goal in dance activity. Third. the flow experience of dance sports influences on the self-actualization. In detail. the higher the participants' flow experience (cognitive and behavioral commitment). the higher the their self-actualization (display of ability, development of ability, and realization of purposed goal in dance activity). Finally. there are causal relationships among the degree of participation in dance sports. the flow experience and self-actualization of dance sports' participants.
살균제 Fludioxonil 및 Metconazole의 밀 부위별 잔류 양상
강자군 ( Ja-gun Kang ),황정인 ( Jeong-in Hwang ),이상협 ( Sang-hyeob Lee ),강민수 ( Min-su Kang ),정혜현 ( Hye-hyun Jung ),곽세연 ( Se-yeon Kwak ),류준상 ( Jun-sang Ryu ),홍성현 ( Seong-hyeon Hong ),박준홍 ( Jun-hong Park ),김장억 한국환경농학회 2016 한국환경농학회 학술대회집 Vol.2016 No.-
Residual patterns of fungicides fludioxonil and metconazole applied on wheat with their safe use guidelines were investigated with consideration for their distribution rates in each compartment of wheat. The fungicides were 2 or 3 times sprayed on wheats at the interval of 7 days prior to harvest. Wheat samples collected at final harvest day were divided into three compartments such as grain, hull and straw, and the pesticide residue analysis was individually carried out to such compartments of wheat. The analytical methods of fungicide residues in wheat were acceptable, with recoveries of 84.3 to 113.3% and correlation coefficients of 0.1 to 4.7%. Due to the systemic characteristics, the residual amounts of metconazole in the grain part of wheat were greater as 0.11~0.29 mg/kg than those amounts (0.02~0.07 mg/kg) for fludioxonil, and these residual amounts of both fungicides exceeded their maximum residue limits. According to absolute residue amounts of the fungicides in one wheat plant, their distribution rates in each compartment of wheat were the highest in straws (66.7~70.7%), followed by hulls (29.0~32.5%) and grains (0.2~0.9%). Although the distribution rates of fludioxonil and metconazole in wheat were the lowest in the edible grain parts, their high distribution rates in hulls and straws, available as feeds for livestock, may result in safety problems by pesticide residues. Therefore, it is required to assess the residual characteristics of pesticides in individual compartments of crops in order to ensure the safety for either foods to human or feeds to livestock from their residues.
LC-MS/MS를 이용한 홍삼가공품 중 잔류농약 동시분석법 개발
강민수 ( Min-su Kang ),황정인 ( Jeong-in Hwang ),이상협 ( Sang-hyeob Lee ),류준상 ( Jun-sang Ryu ),홍성현 ( Sung-hyun Hong ),정혜현 ( Hye-hyun Jung ),곽세연 ( Se-yeon Kwak ),강자군 ( Ja-gun Kang ),김호진 ( Ho-jin Kim ),김장억 ( Ja 한국환경농학회 2016 한국환경농학회 학술대회집 Vol.2016 No.-
The demand for red ginseng (RS) products made by processing ginseng has increased with an interest for health of consumer, and hence it is required to evaluate the safety for residual pesticides in the RS products. However, there are no authorized analysis methods of pesticides for RS products. In this study, a multiresidue analysis method of 43 pesticides in RS products such as pure extract and concentrated extract was developed using a liquid chromatography-tandem mass spectrometry. Small amounts of sample were used in the analysis, and the pesticides were extracted with acetonitrile. The clean-up of samples was conducted using dispersive solid phase extraction with the primary secondary amine and anhydrous magnesium sulfate. The analytical method developed in this study was amenable to 37 (pure extract) and 34 (concentrated extract) of 43 tested pesticides. Using the developed method, the limits of quantification of the amenable pesticides in the RS products were between 3 and 70 ng mL-1, and the linearities of their matrix-matched standard calibration curves were acceptable with high correlation coefficients of >0.98. In addition, recoveries of amenable pesticides in the RS products ranged from 70.0 to 118.0%, with relative standard deviations of 0.5∼19.5%. Therefore, the analytical method developed in this study could be used as an efficient analysis method of pesticides for pure extract and concentrated extract products of RS.
Drug eruption by antihistamine mistaken for chronic urticaria in a child
Gun Moo Lee,Shou-Yu Chu,Sung Yeon Kang,Hyo-Bin Kim,Jin-Sung Park,Ja Kyoung Kim 대한소아청소년과학회 2019 Clinical and Experimental Pediatrics (CEP) Vol.62 No.2
Although rare, antihistamines can cause adverse effects, including drug-induced eruptions or anaphylaxis. A 4-year-old child visited the pediatric department of a hospital for skin eruptions after administration of antihistamines, (e.g., ucerax [hydroxyzine] or leptizine [levocetirizine]), for cholinergic rashes; he did not have pruritus. Skin prick, intradermal, and drug provocation tests were performed to determine the relationship between the antihistamines and eruptions. Levocetirizine induced wheals in the skin prick test and a rash in the oral drug provocation test. In contrast, ketotifen induced no reaction in the skin prick test but showed a positive reaction in the oral provocation test. Our case report highlights that children can experience the same types of adverse reactions as seen in adults, and cross-reactivity between various antihistamines can occur.