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태권도장 관원생 학부모의 블랙컨슈머 행동과 지도자의 정서적 소진 및 직무배태성의 관계
황인택,정권혁 한국체육과학회 2023 한국체육과학회지 Vol.32 No.4
The purpose of this study is to analyze the relationship between black consumer behavior which can appear in Taekwondo gyms and emotional exhaustion and job embeddedness. Quantitative research examined the relationship between parents’ black consumer behavior and Taekwondo gym instructors’ emotional exhaustion and job embeddedness, by using the structured equation model. Then, it selected 490 Taekwondo instructors working in Taekwondo gyms located at Seoul and Gyeonggi-do, by using the convenient sampling method, a kind of the non-probability sampling method. Next, qualitative research on Taekwondo gym instructors was conducted to account for the quantitative results. This study recruited 10 instructors working in Taekwondo gyms located at Seoul and Gyeonggi-do, for more than five years. Hence, it drew several results by conducting in-depth interviews with the subjects based on the interview protocol. Based on such methods, the following findings were drawn: First, the effect of the black consumer behavior on the emotional exhaustion was analyzed to show the significant path coefficient (.676(t=5.887)). Second, the effect of the black consumer behavior on the job embeddedness was analyzed to show the significant path coefficient(-.375(t= -3.935)). Third, the effect of the emotional exhaustion on the job embeddedness was analyzed to show the significant path coefficient (.456 (t=4.849)).
국화 육묘시 용토, 셀크기 및 시비체계가 묘소질과 정식 후 생육에 미치는 영향
황인택,조경철,김병삼,김희곤,김정근,김광수 한국화훼산업육성협회 2007 화훼연구 Vol.15 No.3
본 연구는 공정육묘시 삽목용토, 셀크기 및 시비체 계가 국화묘의 생장과 정식 후 생육에 미치는 영향을 구명하고자 실시하였다. 하추국 정운을 공시하여, 상토 는 TKS1, 훈탄, 훈탄+코코피트, 산흙(관행)과 플러그 트레이 크기를 72구, 128구, 200구로 하여 유묘의 생 육을 조사하였다. 양액농도 처리는 EC 0.9, EC 1.8, EC 2.6dS·m-1, 관행(요소 0.3%)로 하여 삽목 후 10 일부터 1, 3, 5회로 엽면살포 하였다. 상토의 종류에 있어서 묘소질은 훈탄+코코피트(1:1, v/v) 상토에서 가 장 양호하게 나타났으며, 이 후의 생육에 있어서도 가 장 좋은 결과를 나타내었다. 그러나 시판용 상토인 TKS1에서는 초기 생육은 다소 도장되는 경향이었다. 어린 묘와 수확 전 식물체의 생육은 72구 플러그 트레이에서 가장 양호하였으며, 그 이하의 크기(128과 200구) 트레이에서는 초장 및 생체중이 감소하는 경향 이었으나, 정상묘의 생산에는 문제없었다. 삽목에 의한 국화 플러그묘 생산에 있어 양액농도와 처리횟수가 많 을수록 초장 등 생장이 늘어났으나, 0.9dS·m-1는 생장 이 너무 더디었고, 2.6dS·m-1는 과번무 등 농도장해를 보여, EC 1.8dS·m-1와 5회 처리가 가장 양호한 것으 로 나타났다. This study was conducted to investigate the effect of various root substrates, tray cell size, and the amount of preplanting nutrient charge fertilizers on the quality of rooted cuttings and their subsequent growth in Dendranthema grandiflorum L. To achieve this, the cuttings of chrysanthemum cv. Jeongwoon were planted in plug trays with different cell sizes filled with various root substrates such as TKS1, carbonized rice hull, coir dust, and mineral soil. At ten days after cutting, seedlings were fertilized with a nutrient solution adjusted to 0.9, 1.8 and 2.6 dS·m-1 or that of 0.3% urea. The application times of each solution was set to one, three or five times. The quality of rooted cuttings and their subsequent growth were better in the root substrate formulated by carbonized rice hull and coir dust (1:1, v:v) than in other substrates. The spindly growth was observed in TKS1. The growth of cuttings and mature plants were the best in 72-cell plug trays. Although the height and fresh weight of seedlings in 128- or 200-cell plug trays were suppressed, all plants grown in three types of plug trays were commercially acceptable. Proper fertilization improved the quality of chrysanthemum cuttings. The elevated strength of nutrient solution and increased application times promoted the growth of plant. However, seedling growth was retarded in the treatment of 0.9 dS·m-1 and was excessive in 2.6 dS·m-1, showing toxicity symptoms. Therefore, it is concluded that five times application of nutrient solution with the strength of 1.8 dS·m-1 was the best for production of good quality cuttings of chrysanthemum cv. Jeongwoon.
황인택,김용호,이주영,최병렬,이은섭 한국작물학회 2014 한국작물학회지 Vol.59 No.4
Variation of anthocyanin contents were analyzedby different growing environments, three locations over threeyears with 3 black colored soybeans. Anthocyanin contentswere different according to growing location, genotypes andplanting time, so it can be concluded that anthocyanin contentwas effected by environmental and genetic variation. Plantingdate seemed to have a much greater influence on anthocyanincontent than cultivar and location. Among different plantingdates, anthocyanin contents increased in the seeds plantedon June 15 rather than did May 30 and May 15. Comparedwith 3 cultivars and 3 locations, Ilpumgeomjungkong andYeonchun had higher contents such as 11.58 mg/ and 9.85mg/g, respectively. The correlations between color indexand anthocyanin content were analyzed by Hunter’value. L(lightness) and b (yellowness) values were correlated negativelywith D3G, C3G, Pt3G and total anthocyanin content whilea (redness) value was correlated positively. The correlationsbetween meteorological factors and anthocyanin content wereanalyzed. Anthocyanin content was correlated negatively withmean temperature and accumulated temperature whereas meandaily temperature difference showed positive correlation. Wecould conclude that the area in which mean temperaturewas low and daily temperature difference was high is goodfor attempts to improve black soybean seed quality by theincrease of anthocyanin contents