The purpose of this study was to develop a program of oral health education for children and to furnish basic data contributing to the improvement of children's oral health. In this study, we tried to analyze and discover the types of recognition in parents of children's oral care. With the use of Q-methodology that could systematically and scientifically estimate the subjectivity of humans, 28 parents were collected as a P-sample. 3 general types were discovered. The characteristics of each type were the following: Type 1. "Serious consideration of prevention care type" took a positive attitude to their children's oral care, were knowledgable, and maintained high concern about oral care. They regularly visited dentists for prevention and believed in caries prevention through brushing teeth. They also put high trust in dentists. Type 2. "Disposition by the existing state type" believed that caries could develop even with brushing teeth and could be inherited from parents, Practically, they had a passive attitude to their children's oral care depending on stages and were more concerned with the appearance of dentition than with their children's oral health. Type 3. "Home care-centered type" had less knowledge about children's oral care than the other two types and was careless for teeth prevention. Therefore, they had not intended to participate in the oral health education program.
Accurate knowledge of land use/land cover (LULC) features and their relative changes over upon the time are essential for sustainable urban management. Urban sprawl growth has been always also a worldwide concern that needs to carefully monitor particularly in a developing country where unplanned building constriction has been expanding at a high rate. Recently, remotely sensed imageries with a very high spatial/spectral resolution and state of the art machine learning approaches sent the urban classification and growth monitoring to a higher level. In this research, we classified the Quickbird satellite imagery by object-based image analysis of Dempster-Shafer (OBIA-DS) for the years of 2002 and 2015 at Karbala-Iraq. The real LULC changes including, residential sprawl expansion, amongst these years, were identified via change detection procedure. In accordance with extracted features of LULC and detected trend of urban pattern, the future LULC dynamic was simulated by using land transformation model (LTM) in geospatial information system (GIS) platform. Both classification and prediction stages were successfully validated using ground control points (GCPs) through accuracy assessment metric of Kappa coefficient that indicated 0.87 and 0.91 for 2002 and 2015 classification as well as 0.79 for prediction part. Detail results revealed a substantial growth in building over fifteen years that mostly replaced by agriculture and orchard field. The prediction scenario of LULC sprawl development for 2030 revealed a substantial decline in green and agriculture land as well as an extensive increment in build-up area especially at the countryside of the city without following the residential pattern standard. The proposed method helps urban decision-makers to identify the detail temporal-spatial growth pattern of highly populated cities like Karbala. Additionally, the results of this study can be considered as a probable future map in order to design enough future social services and amenities for the local inhabitants.
Korea is promoting a digital new deal policy for the digital transformation and innovation accelerating of the industry. However, because of the strict existing data-related laws, there are still restrictions on the industry's use of data for the digital new deal policy. In order to solve this issue, a revised bill of the Data 3 Act has been proposed, but there is still insufficient discussion on how it will actually affect the activation of data use in the industry. Therefore, this study aims to analyze the perception of public opinion on the Data 3 Act and the implications of the revision of the Data 3 Act. To this end, the revision of the Data 3 Act and related research trends were analyzed, and the perception of the Data 3 Act was analyzed using a big data analysis technique. According to the analysis results, while promoting the vitalization of the data industry in line with the purpose of the revision, the Data 3 Act has a concern that it focuses on specific industries. The results of this study are meaningful in providing implications for future improvement plans by analyzing online perceptions of the industrial impact of the Data 3 Act in the early stages of implementation through big data analysis.
Purpose : Since PBL was first developed by Howard Barrows at McMaster, it has been adopted as one of the best teaching and learning methods in medical schools throughout the world. However, the educational superiority of PBL relative to traditional approaches is less clear. Given the somewhat extensive resources required for the operation of PBL curriculum, this gives reason for concern. The aim of this study is to review experiences of PBL in other medical schools and learn how to implement PBL in our school. Methods : This study was undertaken in two stages. In the first stage, PBL curricular examples in 7 medical schools (University of Pennsylvania, University of Melbourne, University of Maastricht, McMaster University, Flinders University, Harvard medical school. University of California at L.A.) were collected and summarized. In the second stage, a careful search for articles of journals published since 2000 regarding PBL group assessment, effectiveness of PBL and group facilitation skills was conducted. Results : PBL is generally introduced in a core curriculum in undergraduate medical education. Relating to small group assessment, the perception of students has been well developed. but the current PBL assessment tool needs to be revised, to develop thinking skills of students. The PBL graduates considered themselves as having much better interpersonal skills, better competencies in problem solving and self-directed learning than the non-PBL graduates. Tutors used various techniques to raise awareness, facilitate the group process and direct learning. Conclusions : The following three aspects can be regarded as important in this study. First, to implement PBL in our school more effectively, it might be considered, which curriculum content can be best learned with PBL. Second, to enhance students' thinking skills during PBL, a new assessment tool needs to be developed. Third, tutors' competencies are important to facilitate, group process, so it would be worthwhile including in staff development.
Recently, the concern of ubiquitous City(u-City) in each level of governments is on the increase, and they are professing themselves to follow the u-city concept on constructing new urban development or urban renewal project. But the u-city plan and construction proceed as the simple sets of advanced technology without fundamental space concept or space plan of the u-city. Therefore, the u-city as a citizen's living space and a basic urban environment is defined in this article, the viewpoint of the space plan and the recent trends of u-city in korea are reviewed. On the basis of this review, this article proposed an approach of the spatial plan for a u-city construction, here the approach consisted of the 3 stages of planning, constructing, and maintaining of the u-city, and finally the role of the participant in the each stage and spatial hierarchy was proposed.
The world's food production systems are becoming an area of great concern for both human and ecological health. Research has identified that one of the greatest threats to sustainability is conventional industrial agricultural systems and the high energy and material cost they require to function. The organic food movement is contributing as promising alternative to the current dominant model. Over the last 50 years it has developed into the most visible brand for a healthier and more environmentally sustainable food system. However, to achieve its full potential there are still a number of hurdles which must be overcome to make organic products a more viable and appealing option for consumers. This paper provides an overview of key research that has been conducted on why consumers are buying organic products, what they are buying and what is preventing them from purchasing more. It concludes that the key challenge is for the organic food movement to convince existing consumers of the superior 'value' of its products. In addition there are a number of methodological issues associated with analysing the market for organic products as well as issues of limited distribution, intermittent availability and high prices that are currently preventing increases in sales. Recognition and management of these barriers could contribute to more effective targeted research into consumer food purchasing motivations and subsequently the development of more sophisticated marketing strategies that assist in maintaining integrity with consumers and fending off challenges from conventional as well as other complementary food systems such as local food movement. And finally to achieve these market growth strategies the organic food movement will need to cope with its diverse constituency - ranging from global corporates through to local production and consumption - and provide attractive opportunities to individuals and business at all stages in supply chain whilst retaining credibility with government to ensure ongoing policy support.
Kueh, Roland Jui Heng;Majid, Nik Muhamad;Ahmed, Osumanu Haruna;Gandaseca, Seca
Journal of Forest and Environmental Science
/
v.32
no.3
/
pp.302-310
/
2016
The loss and degradation in tropical forest region are some of the current global concern. Hence, these issues elevated the role of rehabilitated forests in providing ecological products and services. The information on the carbon stock is important in relation to global carbon and biomass use, but lacking from the tropical region. This paper reports the assessment of tree and soil carbon stock in a chronosequence rehabilitated tropical forest stands in Malaysia. The study site was at the UPM-Mitsubishi Forest Rehabilitation Project, UPMKB. $20{\times}20m$ plot was established each and assessed in 2009 at 1-, 10- and 19-year-old sites while an adjacent ${\pm}23-year-old$ natural regenerating secondary forest plot was established for comparison. The overall total carbon stock was in the order of 19-year-old>${\pm}23-year-old$>10-year-old>1-year-old. When forest carbon stock is low, the soil component plays an important role in the carbon storage. The forest carbon recovery is crucial to increase soil carbon stock. The variations in the carbon stock showed the different stages of the forest recovery. Species survived after 19-years of planting are potential species for carbon sequestration activities in rehabilitated forest. Human intervention in rehabilitating degraded forest areas through tree planting initiatives is crucial towards recovering the forest ecological role especially in forest carbon stock capacity.
Journal of the Korean Society for Nondestructive Testing
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v.23
no.5
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pp.445-454
/
2003
Health monitoring is a major concern not only in the design and manufacturing but also in service stages for composite laminated structures. Excessive loads or low velocity impact can cause matrix cracks and delaminations that may severely degrade the load carrying capability of the composite laminated structures. To develop the health monitoring techniques providing on-line diagnostics of smart composite structures can be helpful in keeping the composite structures sound during their service. In this study, we discuss the signal processing techniques and some applications for health monitoring of composite structures using piezoceramic sensors and fiber optic sensors.
One of them is online community which is popular among this modern society. However, it is not appropriate to suggest that online community is solely for personal usage or solely for work-related usage. The usage of online community goes beyond only one purpose. On the other hand, our daily activities whether personal or work-related activities are usually accompanied with preconception ideas whether it is a fun activity or not. However, even with this preconception, individuals are still enjoying themselves while doing activities that are considered as boring or mundane. Furthermore, individuals are really into the activities that they forgot about their surrounding and found themselves being in flow while conducting these activities. Unfortunately, there is little research done in South Korea addressing this emotion related factors. Because of that, more research concerning emotion related factors need to be conducted to better understand users behavior especially in online environment. With regards to that concern, this research studied two distinct everyday activities which are studying and playing games in online community. It is expected that when an individual feels more enjoyable and feels more comfortable, it will be more likely for them to be more satisfied. This satisfaction will lead them to being in a flow state. Hence, this study proposed three hypotheses. In order to investigate these three hypotheses, studies were conducted in two stages. The first stage was conducted in order to derive the implicit knowledge about fun from the participants. The second stage was done by an empirical study. It was conducted with two sample groups. The first group is the study group and the second group is the play games group. There were asked a set of questionnaires related to their enjoyment, comfort, satisfaction and flow while conducting the relevant activity. The results showed that both groups reached the state of flow regardless whether they belong to the study group or play games group. Therefore, the preconception idea about an activity does not promote or prevent individuals from feeling enjoyment, feeling comfortable and achieve satisfaction while conducting those activities.
In line with the recent public concern on the environmental issues in building industry, there has been a rise in demand for a healthy, sustainable housing environment in South Korea. In order to achieve a healthy environment in residential buildings, considerable efforts have been made in a wide range of sectors. Among others, the development of the certification schemes to promote environment-friendly planning and building construction is remarkable. In urban South Korea, recently built houses tend to be significantly high-rise, high-density buildings. Global warming has brought about drastic climate change and continued to increase the average annual temperature year by year. These changes should be well reflected on the government's implementation of the building environmental assessment system. For guidance, therefore, this study looks to the case of Hong Kong which is well known for high-density housing development and subtropical climate conditions. It compares the features of the green building certification schemes for newly developed multifamily housing in two regions, namely HK-BEAM in Hong Kong and G-SEED in South Korea. Based on the findings, it argues that the G-SEED implementor should have expanded roles in providing training programs and follow-up services in collaboration with the certification authorities. It is also argued that G-SEED professionals should be involved in the early stages of design processes, and training programs and licence systems to produce green building professionals should be developed. Finally, it points out that the assessment indicators should be more detailed and diversified.
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