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어머니의 구강보건관리행태가 초등학교 아동의 치아우식에 미치는 영향
김영남 ( Young Nam Kim ),송윤신 ( Yun Sin Song ),김윤신 ( Yun Sin Song ) 한국치위생학회 2012 한국치위생학회지 Vol.12 No.1
Objectives : By analyzing the affects of the mother`s oral care to the caries experiences of the elementary school children, To looking for the way to prevent dental caries in the primary school, to provide baseline data to perform the associated oral health education. Methods : Between the 3,676 children`s dental check-up data and the 2,934 survey of parents from 9 elementary schools in the the Gyeonggi Province, the exactly matching data of 2,358 pairs, children versus mothers, were analyzed during the period, 2009 May 4 to July 20, By using the PASW 18(SPSS-PC 18), Frequency analysis of the collected data, and cross-analysis, ANOVA, Bonferroni post-analysis was performed. Results : The findings of the study were as follows. 1. In children, the ratio(DMF rate)of the dental caries experience in permanent teeth, appeared higher for men than women. Divided by grade level, the ratio of caries experience in the permanent teeth(DMF rate) generally appear higher in older than young. Thus between the child`s gender and grade level by the ratio of caries experience in the permanent teeth(DMF rate) showed the statistically significant differences (p<0.05). 2. Between the socioeconomic characteristics of mothers and the children`s level of dental caries experiences, not showed the statistically significant difference.(p>0.05). 3. The significant difference showed between the dental caries levels of the children and the mother`s oral health care behavior - a toothbrush replacement period, mother`s broken teeth, mothers guidances of the brushing after snacks for children(p<0.05). Conclusions : The mother`s oral health attitudes and behaviors can affect to their children`s oral care habits. Therefore The mother themselves should have the right proper habit of oral health care, so that in oral health care mothers should be the model for their children. Institutionally more systematic and detailed oral health educational program in conjunction with the family is needed.(J Korean Soc Dent Hygiene 2012;12(1):145-156)
부산석고 시용에 의한 밭 토양 특성과 마늘의 수량 및 품질에 미치는 영향
김영남,조주영,윤영은,최현지,정미선,이미나,김권래,이용복,Kim, Young-Nam,Cho, Ju Young,Yoon, Young-Eun,Choe, Hyoen Ji,Cheong, Mi Sun,Lee, Mina,Kim, Kwon-Rae,Lee, Yong Bok 한국환경농학회 2021 한국환경농학회지 Vol.40 No.1
BACKGROUND: Globally, large amounts of phosphogypsum (PG), which is a by-product of the phosphate fertilizer production, is deposited in open areas. As PG contains calcium, phosphate, and sulphate, it can be used as a soil amendment in farmlands. This study was conducted to investigate the effects of PG application on properties of field soil and yield and quality of garlic (Allium sativum L.), and to seek appropriate level of PG application into the field. METHODS AND RESULTS: This experiment was conducted by applying PG at four different levels that were adjusted based on 65% calcium base saturation in the field soil: 0% (control), 50% (PG50, 100 kg/10a), 100% (PG100, 200 kg/10a), and 150% (PG150, 300 kg/10a). Following cultivation, soil electrical conductivity (EC), organic matter, available P and exchangeable Ca increased, whilst soil pH decreased. With increase in PG application level, soil EC and exchangeable Ca increased. PG application increased concentrations of water soluble Ca and SO4 across the soil profile, especially in PG150. The highest yield of garlic was found in PG100 treatment. The plant's uptake for N, P, Ca, and S increased by PG applications, but that for K decreased. Moreover, concentrations of S-related amino acids such as cysteine and methionine in garlic increased by PG applications. The increased content of nutrients and amino acids with PG supply might improve yield, quality, and favor of the crop. CONCLUSION: Overall, PG application at 200 kg/10a into a field had the best effect on improving soil fertility as well as yield and quality of garlic. Further studies are required to maximize efficiencies of PG supply in soil management and production of various crops.
토양 견밀도가 (堅密度) 수목생장에 미치는 영향 - 어린이대공원 수목관리를 중심으로 -
김영남,홍성각,조태환 ( Young Nam Kim,Sung Gak Hong,Tae Hwan Cho ) 한국산림과학회 1977 한국산림과학회지 Vol.36 No.1
Diameter growth was surveyed for 22 years-old pitch pine (Pinus rigida Mill.) growing on the forest land (site protected from artificial damage) and the resting place (site open for the recreation) of the Children Park, Seoul, Korea on September 28, 1975. The purpose of the survey was to find out difference in the tree growth between the two sites, and possible causes of the difference. Both the resting place and the forest land have deep fertile sandy-loam soil, moderate slope for south-west. The resting place, however, has much higher soil compactness by treading than the forest land. Before May 5, 1973, the opening date of the park, the trees on the resting place had higher diameter growth than those on the forest land as measured with increament borer. After the Park opening the trees on the resting place showed less growth than those on the forest land. In 1975, the growth on the resting place was less than that of the forest land by 6.5% at 1% significant level. The difference in growth was attributed to the soil compactness of the resting place by treading. The necessity for the same kind of study with other species for the tree management of parks was suggested.
김영남 ( Young-nam Kim ),최준혁 ( Jun Hyeok Choi ),최현지 ( Hyeonji Choe ),이금아 ( Keum-ah Lee ),윤영은 ( Young-eun Yoon ),( Vimalraj Kantharaj ),이용복 ( Yong Bok Lee ) 한국환경농학회 2023 한국환경농학회지 Vol.42 No.4
A liquid-type chlorella (LC) produced by self-cultivation is used for strawberry cultivation by farmers in Korea. This study aimed to investigate seedling growth in two strawberry cultivars ‘Soraya’ and ‘Haruhi’ after applying solid-type chlorella (SC) in the greenhouse for 30 d. The treatments were as follows: Control, LC (0.2% of 1.0 × 10<sup>7</sup> cells/mL), ¼ SC (12.5 g/m<sup>2</sup>), ½ SC (25 g/m<sup>2</sup>), and SC (50 g/m<sup>2</sup>). Compared to the control, in the ½ SC treatment, dry weight of the seedlings increased at 30 days after treatment (DAT). Phosphorus content in the leaves of ‘Soraya’ seedlings of the SC treatment increased compared to that of the control. At 10 and 30 DAT, photosynthetic pigments including chlorophylls and carotenoids in the seedlings of both cultivars increased with the ½ SC treatment. These results indicate that the application of SC improved the growth of strawberry seedlings and could replace LC.
김영남(Young Nam Kim),서용건(Young Kun Suh),정철(Chul Jeong) 한국관광연구학회 2011 관광연구저널 Vol.25 No.3
Considering a special product of the local festival, it is very important to increase positive economic effect. The purpose of this study is to investigate purchase behavior of local special products in a local festival. This study examined Jeju Fire Festival which is the most popular festival in Jeju Special-governing Province, Korea. Results showed there were significant differences between festival participants who purchased local products and those did not. Older or planed buyers tend to purchase more local products in a local festival. Furthermore, brand awareness of local products was also one of the important factors explaining purchase behavior in a local festival. However, festival satisfaction and loyalty were not important indicators accounting for purchase behavior of local products.