• 식물병연구
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• 제19권2호
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• pp.77-83
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• 2013

Bean yellow mosaic virus (BYMV; genus Potyvirus, family Potyviridae) causes severe losses to various legume species and a number of non-legume species, particularly freesia plants. In a survey of virus diseases in Gyeonggi province, Korea, BYMV isolates were identified from many cultivated freesia species. Here, we determined the complete nucleotide sequences of a BYMV freesia isolate (BYMV-Fr; accession number FJ492961). BYMV-Fr genome consists of 9,545 nucleotides (nt) excluding the poly (A) tail and encodes 3,057 amino acid (aa), with an AUG start and UAG stop codon, containing one open reading frame typical of a potyvirus polyprotein. The polyprotein of BYMV-Fr was divided to ten proteins and the cleavage sites of each protein were determined. The coat protein (CP) and polyprotein of BYMV-Fr were compared at the aa level with those of the previously reported 4 BYMV isolates. BYMV-Fr shared 90.1 to 97.1 and 91.0 to 92.5% at the CP and polyprotein homology. Interestingly, BYMV-Fr showed identities of a lower level at the nt level of 5' noncoding region (61.4 to 67.6%) and at the aa level of P1 (71.4 to 72.8%), comparing with four BYMV isolates. Based on the aa sequence diversity of CP and polyprotein, phylogenetic analysis with the four BYMV isolates showed two distinct groups and BYMV-Fr and most BYMV isolates were most closely related to the clover yellow vein virus among 52 potyviruses. To our knowledge, this is the first report of the complete genome sequence of BYMV freesia strain.

• 한국IT서비스학회지
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• 제22권2호
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• pp.1-21
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• 2023

Due to the convergence and complexity of the 4th Industrial Revolution, the boundaries between industries have become unclear and ambiguous. Consequently, there is a lack of research on how firms engaged in this industry are changing their location behavior. Recently, some attempts to classify the industrial groups of the 4th Industrial Revolution and their detail occupations have been made, and this study adopts the classification of Lee and Jung (2020) of the Korea Institute for Industrial Economics & Trade. In this study, the 18 detailed industries commonly included in multiple industrial groups are defined as 'core industries' and are classified into manufacturing and service industries to explore the spatial patterns of firms' location. Specifically, this study aims to examine how the location behavior of firms in core industries of the 4th Industrial Revolution has changed from 2010 to 2019 in the Seoul metropolitan area, using the 「National Business Survey」 data. We employed two methods based on spatial auto-correlation: (i) spatial kernel density estimation analysis and (ii) local Moran's I_i analysis. The results indicate that the core industry firms form more distinct and larger clusters in 2019 based on the clusters formed in 2010. Specifically, manufacturing industry firms tended to concentrate in the southern region of Gyeonggi and parts of Seoul, while serivce industry firms were more concentrated in Seoul. These core industries play a critical role in industries and are closely related to the ICT industries, which generate high-added value and increase productivity in the front and rear industries. This study reveals that the agglomeration of these industries in specific regions is intensifying and may exacerbate regional inequality.

• 한국응용곤충학회지
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• 제48권1호
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• pp.37-44
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• 2009

벼 재배지에서 발생하는 노린재의 종류와 발생소장, 반점미 피해를 구명하기 위해 화성, 평택 등 경기지역 6개 시군 12개 읍면의 논과 논둑에서 노린재 발생밀도와 노린재 종류별 피해양상을 조사하였다. 논둑에서 채집된 노린재는 모두 30종이었고, 화성과 시흥에서 흑다리긴노린재(Paromius exiguus), 평택, 파주, 이천에서 홍색얼룩장님노린재(Stenotus rubrovittatus)가 우점하였다. 논에서 채집된 노린재는 모두 23종이었고, 시흥에서 흑다리긴노린재, 평택, 파주, 이천에서 홍색얼룩장님노린재가 우점하였다. 흑다리긴노린재는 화성 시화호 등 주로 서해안 습지에서 월동하고 증식한 후 이동하여 $8{\sim}9$월에 논둑에서 최고의 발생을 보였으며, 홍색얼룩장님노린재와 시골가시허리노린재(Cletus punctiger)는 $8{\sim}9$월에, 가시점둥글노린재(Eysarcoris aeneus)는 $6{\sim}7$월에 논둑에서 발생이 많았다. 벼에 노린재 종류별로 접종하여 반점미 피해를 확인한 결과, 유숙기 접종시 가시점둥글노린재가 10.2%, 흑다리긴노린재가 4.8%, 호숙기 접종시는 홍색얼룩장님노린재(Stenotus rubrovittatus)가 4.3%, 흑다리긴노린재가 2.7%의 반점미율을 보였다. 흑다리긴노린재에 의한 반점미 피해증상은 피해부위의 표면이 매끈하고 함몰되는 것이 없었으나, 가시점둥글노린재에 의한 반점미 피해증상은 흑다리긴노린재와 유사하지만 피해부위가 함몰되는 것이 많았고 그 표면은 거칠었다. 홍색얼룩장님노린재는 벼 낱알 위쪽을 가해하여 반점이 윗부분에 집중되는 특징이 있었다.

• 한국학교보건학회지
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• 제26권1호
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• pp.34-44
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• 2013

Purpose: The purpose of this study is to identify the relationship between school adjustment and stress-coping styles among adolescents. Methods: This is a descriptive correlation survey using a convenience sample of 701 middle school students in Seoul, Gyeonggi, Incheon, Jeonbuk, and Gangwon province, Korea. The study's questionnaire included a scale of school adjustment and a scale of stress-coping style. The data analysis, using the SPSS 19.0 program, involved frequency, the mean and standard deviation, the t-test, ANOVA, the scheffe test, and the Pearson correlation coefficient. Results: Positive correlations were identified between positive stress-coping styles and the adjustment to school life of adolescents. The degree of school adjustment varied significantly according to the region, grade, attending private educational institutes after school or not, academic performance, daily study hours after school, and the hours students spend on gaming and Internet use a day. With regard to the behaviors to cope with stress, teenagers with a higher sense of life-satisfaction tended to show active coping behaviors, and female students were more likely to show positive or negative coping behaviors than mystic coping behaviors. Since adolescents' stress-coping styles showed connection with their adjustment to school, it is necessary to develop stress management programs to help middle school students adjust to school life. Conclusion: Based on the study's findings, it is important to develop programs which can help students adjust to school and learn how to cope with stress positively.

• 한국생활과학회지
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• 제23권5호
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• pp.773-787
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• 2014

The purposes of this study were to examine effects which work events and affective reaction were experienced by employees on job satisfaction and service quality in local healthy family support center for family health enhancement. For the purpose, survey were conducted with employees working in 56 local healthy family support centers in Seoul and Gyeonggi region, and final data were resulted from analysis of 319 examines of those employees. The results of this study were as follows. First, work events had a significant effect on the affective reaction. Second, affective reaction had a significant effect on the job satisfaction. Third, job satisfaction had a significant effect on the service quality. Fourth, affective reaction worked as mediators between the work events and job satisfaction, affective reaction and job satisfaction worked as double mediators between work events and service quality. Based on those findings, we can propose practical and political implications towards improving service quality considering the work experience of personnel in the healthy family support center.

• 한국생활과학회지
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• 제17권1호
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• pp.127-139
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• 2008

The purpose of this study is to examin wearing satisfaction and needs of the caregivers' uniforms. The questionnaire survey was conducted on 303 who are serving in the geriatric hospital and general hospitals in Seoul and Gyeonggi, Chungcheong region. It was coherently found on the whole that the irrelevance to the fitness of size system influenced the discomfort, and the relation between discomfort and satisfaction revealed negative-correlation, and the higher the discomfort is and the lower satisfaction is, the higher their improvement needs are. Particularly, the higher the discomfort on the fitness of size system is and the lower its satisfaction is, the higher the improvement needs on the size system and activities are. As a result, the clothing construction and the selection of materials for the complement of the fitness and discomfort's incongruity is required. Namely, the yoke of the back area and the various detail for the activity, the materials satisfying stretch, good-touch, antibiotic functionality, and the expansion of the size system are needed.

• 유통과학연구
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• 제12권3호
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• pp.17-24
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• 2014

Purpose - This study investigated the main variables of consumer food choice motive and how they affect attitude and purchase intention toward organic foods. The study involved a multiple regression analysis to verify the influence of food choice motive on attitude toward organic food. Research Design, Data, and Methodology - Data was collected through surveys of 280 students and ordinary citizens in Seoul and the Gyeonggi region, using sampling. A multiple regression analysis was performed to confirm the impact of food choice motive on attitude toward organic food, and a regression analysis was performed to identify the impact of attitude toward organic food on purchase intention. Results - Health and environment, among food choice motives, had significant positive influence on attitude toward organic food, whereas convenience, price, and familiarity had no impact. Attitude toward organic food had significant positive influence on organic food purchase intention. Conclusions - As this study identified the impact of organic food choice motive, it may provide baseline data for marketing strategies, to understand consumer attitude toward organic food and purchase intention, and to satisfy consumer needs.

• 복식
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• 제59권7호
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• pp.1-16
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• 2009

This study is on the children's clothing in Seoul Gyeonggi-do, Chungcheong-do and Gangwon-do between the $1920s{\sim}1950s$, by comparing positive data collected from pictures and literatures, remains and interviews. A baenaet jeogori was made of soft white cotton fabrics and was used as a charm when the baby had grown and had an test or a big occasion. A dureong chima and pungcha trousers were clothes for both boys and girls from their birth to the age of $4{\sim}5$ when they could have bowel movements by themselves. Occasions for celebrating a baby's growth were the one-hundredth day and the first birthday. In general, ordinary families had their babies' one-hundredth day in a simple way without special clothes. On the first birthday, however, even ordinary families prepared new clothes for their babies, and read their fortune and prayed for their well being and long life through events such as doljabi. In the age when medicine was poor and the infant mortality was high, the meaning of such a ceremony was to congratulate on the baby's safe growth through dangerous moments.

• Journal of Electrical Engineering and Technology
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• 제12권3호
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• pp.1046-1052
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• 2017

The load on the power grid of South Korea is expected to grow continuously until the late 2020s, and it is necessary to increase the transfer capacity from the Eastern grid to the Seoul-Gyeonggi region by reinforcing the transmission network for the electric power system to remain stable. To this end, the grid reinforcement by two bipole LCC HVDC transmission systems have been considered on account of the public acceptability and high growth of the fault current level, even though an additional 765kV system construction is more economical. Since the probability of the existing 765kV double circuit transmission line trip is extremely low, a dynamic simulation study was carried out to estimate the efficient HVDC capacity able to stabilize the transient stability by utilizing the HVDC overload capability. This paper suggests the application plan to reduce the HVDC construction capacity with ensuring the transient stability during the 765kV line trip.

• 한국안전학회지
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• 제37권4호
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• pp.80-91
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• 2022

The purpose of this study is to contribute to strengthening the response of local governments to the emergence of new infectious diseases by identifying the urban characteristics affecting their spread. To this end, the urban characteristics influencing the spread of infectious diseases were identified from previous studies. Moreover, the variations in the impact of urban characteristics that affected the number of confirmed COVID-19 patients was spatially analyzed using geographically weighted regression (GWR). The analysis indicated that the explanatory power of the GWR was approximately 12.4% higher than that of the ordinary least squares method. Moreover, the explanatory power of the model in the northern regions, such as Seoul, Gyeonggi, and Gangwon, was particularly high, indicating that the urban characteristics affecting the spread of COVID-19 vary by region. The results of this study can be used as a basis for suggesting the formulation of customized policies reflecting the characteristics of each local government rather than a uniform spread reduction policy.