The heart disease taking the second place of the cause of the death of modern people is a terrible disease that makes sudden death without noticing. To judge the aortic valve disease of heart diseases a name of disease was diagnosed using psychological data provided from physioNet. Aortic valve is a valve of the area that blood is spilled from left ventricle to aorta. Aortic stenosis of heart troubles is a disease when the valve does not open appropriately in contracting the left ventricle to aorta due to narrowed aortic valve. In this paper, 3126 samples of cardiac sound data were used as an experiment data composed of 180 characteristics including normal people and aortic valve stenosis patients. To diagnose normal and aortic valve stenosis patients, NEWFM was utilized. By using an average method of weight as an feature selection method of NEWFM, the result shows 91.0871% accuracy.
As one of the most popular outdoor leisure activities in the world, recreational fishing has a lof of significant meaning in terms of social, economic, and cultural views. However, both not considering an indiscreet fishing activity and environment and not thinking our next generation, fishing circumstance has been deteriorating more and more. Unlike Korea, most advanced countries enact various recreational fishing management and support policies in order to keep sustainable recreational fishing and develop eco-tourism through cooperation with government, fishing industries and civil organizations. This paper consist of the following contents. First, the study attempted to investigate how to operate management system of the recreational fishing dividing into in - land fishing and sea fishing respectively. And it exhibits issues and troubles of the realities of recreational fishing management and related fishing laws and ordinances in Korea. And then, it examines various fishing management schemes in representative advanced nations; U.S., Germany, and Japan. Also, it analyzes the advantages and disadvantages of respective recreational fishing management systems; market - based license system, qualification - based management system, and self- regulatory based management system. In addition, after these three systems are adopted to Korea's recreational fishing condition, we analyzes whether respective management systems fit or not. As a result of this, the optimal management for recreational fishing is the participatory self - management scheme in Korea. Finally, in order to support recreational fishing promotion and encouragement, issues and complementary policies with respect to recreational fishing are introduced.
The ram assembly is important equipment in fueling machine of PHWR(Pressurized Heavy Water Reactor) plant where fuel replacement is possible while the plant is in service. Troubles in the ram assembly can cause lots of difficulties in power plant operation. The ram assembly is typically composed of the B-ram, the L-Ram and the C-Ram. The B-ram is focused in this paper because it plays the most important role in the ram assembly. Among the ram fault phenomena, ram stuck phenomena are the most frequent cases in the B-ram, which has a ball screw mechanism driven by a hydraulic motor. Ram stuck phenomena are due to ball wear and damage in ball nut that increase in proportion to the number of fuel replacement. It is required to predict ram stuck phenomena before they occur. In this paper, a method is proposed for predicting ram stuck phenomena using a discrete wavelet transform. The discrete wavelet transform provides information on both the time and frequency characteristics of the input signals. The proposed method uses the frequency bandwidths of coefficients of discrete wavelet decompositions and detail coefficients of discrete wavelet transform to predict ram stuck phenomena. The signal used in this paper is a torque-related signal such as a hydraulic service outlet pressure signal in a hydraulic driving system or a current signal in a DC motor driving system. Finally, the validity of the proposed method is shown via experiment using ball nut characteristic test equipment that simulates ram stuck phenomena due to increased ball friction in ball nut.
Background: Breast cancer is the most prevalent cancer among Iranian women and mastectomy comprises 81% of surgeries for treatment of breast cancer. Mastectomy may create feelings such as deformation or impairment in patients, cause body-image disorder, and reduce sexuality and sexual activity which in turn may entail mental disorders. The study aimed to elaborate coping processes. Materials and Methods: A grounded theory method was used in conducting this study. Twenty Iranian participants undergoing mastectomy were recruited with purposive sampling. An open, semi-structured questionnaire were developed. Obtaining consent, conversations were recorded and immediately transcribed after each session. Data analysis was carried out with the constant comparative method using the Strauss Corbin approach. Results: Analyzing the collected data, the study came up with seven main categories which affected the coping process in patients with breast cancer, namely: reactions to mastectomy; loss and death contest; reconstruction of evaluation system; consent for undergoing mastectomy; reactions and troubles after loss; confrontation of loss and health; and reorganization and compatibility with changes. Conclusions: The results of the study indicated: when patients become informed of their breast cancer and the necessity of undergoing mastectomy as the treatment, they probably pass through seven categories to adapt after mastectomy. Having insight about them is likely to contribute medical personnel in leading patients to the highest degree of feeling healthy.
This paper reviews current status of weed science in Japanese regional agricultural systems based on the 54th Annual Meeting of the Weed Science Society of Japan. About 300 researchers from 5 countries including Korea participated in the Conference and presented 100 papers in research areas. This congress has an purpose to discuss new troubles, findings and results of weed science. Weed science faces big challenges such as increase in herbicide-resistant weeds, gene-flow from transgenic crops, and invasive weeds. Major research topics were invasive weeds and their ecology, allelopathy, weed management in paddy field, weed management in field crops, and herbicide resistance. Weed control and herbicide resistance management in paddy field were a main object of research. To prevent the increase of problematic weeds and to overcome food crisis, the importance of weed-related researches has been raised. Therefore it is expected that various weed management systems and control of herbicide resistant weeds should be studied continuously in the weed science.
The purpose of this study was to investigate the social inclusion of permanent rental and lot-sold apartment and to provide basic source of their physical and social inclusion. The research method was in-depth interview for 32 residents in two apartment complex based on the social inclusion index developed in the previous study. The results of the study were summarized as follows: First, the majority of the residents' average monthly income in the permanent rental apartment were lower than the minimum cost of living. But, they were not seriously realized it and gave up any economic activities due to their poor health and age. Second, the big different indexes from the residents in lot-sold apartment were the family networks and social activity participations. They were not satisfied with their family members, seldom had social gatherings, and did not have any information of community cultural events. Third, since they had narrow sphere of activities, they could not properly evaluate the diversity of neighborhood facilities and the convenience of public transportations. But, they obviously recognized anti-social behaviors and the invasion of the privacy in the apartment complex, and maintained superficial neighborship. Fourth, on the other hand, the residents in lot-sold apartment had the feeling of being harmed by the various troubles of the permanent rental apartment.
The Journal of the Korea institute of electronic communication sciences
/
v.10
no.6
/
pp.737-748
/
2015
In modern people, smartphone is used in many fields of life styles in world wide. Its convenience and function are improved. Appropriate sleeping is essential to modern people. The overuse of smartphone threats sleeping of modern people. Result of this study shows that the deeper the addiction with smart phones the lower the quality of sleep, especially in troubles staying awake. The quality of sleep also associated with general factors including spending money, type of housing and degree of stress. There is a correlation between smart phone dependency and the quality of sleep and the more severe the dependency the more likely that the quality of sleep might fall. So we need adequate education to use smartphone for saving sleeping of modern people.
The aim of this research is to find out the common emotional factors that elementary school teachers feel when they experience in teaching children with ADHD and to know their responding process through experiential analysis. Seven elementary school teachers took part in this research as co-investigators, and I led the experiential approach. The co-investigators have analyzed their emotional experiences during 4 sessions. They learnt about the method of experience analysis and discussed their emotional experiences of children with ADHD. And they found out some factors concerning their emotional experiences and had the time to discuss in odor to search for the common factors of that process. Finally the co-investigators took part in a session to examine the factors which they have all agreed in, and then I verified this result. 1 interpreted the factors found and constructed a psychological resolution process. Two main objectives and the results of this research are as follows. First, are there any common factors among teachers who experience in treating children with ADHD? This research showed that elementary school teachers get angry and irritated with ADHD children's troubles. Second, what kind of psychological process is there in teachers' experiences children with ADHD? The psychological process of teachers dealing children with ADHD could be conceptualized in 5 steps, the step of recognizing an action of children with ADHD, the step of first cognitive consideration, the step of giving meaning and cognitive appraisal, the step of experiencing emotion, and the step of dealing with emotion. Teachers seemed to experience a little bit different psychological process. According to whether they thought about children's behavior positively or negatively in the second step, they had different emotional experiences. If they had a positive thought, they could take children's nonadaptive behaviors as personal characteristics. However, if they took them negatively, they considered them impolite and disobedient. Even when the teachers experienced negative emotions, their responses were divided into two groups whether they took it positively or negatively. This research showed that if teachers could control their negative emotional experiences, they could calm down with children with ADHD and treat them positively.
This study was conducted to investigate risk factors for senile dementia as well as care givers' stresses and thier needs for nursing care. It was done using a retrospective survey. A convenience sample or In senile dementia patients and l20 nor-mal elders in a rural area was used. The tools used in the study were the MMSE-K(Mini-Mental State Examination-Korea) for dementia screening test and a questionaire developed by the research team. Data were collected through home visits by Com-munity Health Practitioners. Data were analyzed using descriptive statistics, T-test, and Chi-square test. The findings are as follows : 1. There were significant differences in age, marital status, and religions between the two groups. 2. There was a significant difference in smoling behavior between the two groups. 3. There was a significant difference in past his-tory of cancer between groups. 4. There was a significant difference in past and present elderftmily relationship between the two groups. 5. There were significant differences in intellectual activities, assuming major role in family and seeking other's help in daily life troubles between the two groups. 6. There were significant differences in stress factors such as child problem, family conflict, health problem and illegal behavior between the two groups. 7. The major problems out by families in caring for dementia patient were catastrophic reactions, dirtiness, mood change, devouring and tremor. The most serious problems faced by families was dirtiness. with catastrophic reactions, sleep distrubance, changeableness, and a suspcio-usness following. The care givers expressed chronic fatigue, anxiety, tension, depression, disorder in daily life, shamefulness, blame from neighbours and guiltiness. 8. There is need for geriatric hospitals, nursing homes, burden sharing, and counselling or education for family care givers. A replicate study in the urban area is recommended to validate the findings of this study. To explore the impact of stress in life and ‘han’ on senile dementia, a qualitative study is recommended.
The purpose of this research is to suggest a competitive design by producing functions and elements needed to users based on a research about device use and needs according to user behavior. We proceeded to the research aiming a design smart document-editing device design which can be used for business regardless of place (at office or home), targeting reasonable and individualistic users from twenties to thirties. By some ways for that, first, we selected target users and based on user interviews to get enough understanding for them. Second, we produced user needs by some troubles after establishing persona and deciding target users on the basis of the research. Third, we designed form-factor visualizing work, organized design spec by the produced concept, and we developed interaction design on the basis of this scenario. Fourth, we made paper prototype and conducted user test. As a result, our final design emphasizes mobile ability and simplicity to be suitable for reasonable individualism and is able to efficiently work input, editing, and output without complicated procedure. We could also prove the validity of the design through usability test.
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