Journal of Korean Home Economics Education Association
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v.30
no.4
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pp.187-207
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2018
The purpose of this study was to develop a teaching-learning plan applicable to high school technology·home economics and home science classes in order to prevent adolescents' dating violence which is one of the serious social problems we are facing lately. This research has following three steps: 1. Analyzing contents and selecting content elements, 2. Developing teaching-learning materials, and 3. Performing a pilot test and making corrections. In the first step, this author analyzes how the contents associated with dating violence are presented in the 2015 curriculum of technology·home economics and the textbooks and reviews related literatures to select content elements necessary to prevent dating violence for those going through adolescence. Based on that, in the second step, this researcher develops a teaching-learning plan for six lessons and then makes it verified by two experienced teachers of home economics. In the last step, the teaching-learning plan for six sessions developed is implemented to two high school classes, and then, based on the results of examining the opinions of the teachers implementing the plan and students about the class, this researcher modifies and complements the parts of the plan showing low applicability to the field and develops the final dating violence prevention teaching-learning plan. In order to prevent adolescents' dating violence, it is necessary to create a social environment safe from violence and provide violence prevention education before they begin to have relationship. This researcher expects that this teaching-learning plan is applied in home economics class and it can contribute to enhancing students' sensitivity about violence and improving their competencies to make wise judgments in problematic situations and cope with them properly.
Korean Journal of Construction Engineering and Management
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v.17
no.2
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pp.12-20
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2016
Along with the change of national accounting, the importance of systematic management of assets is emphasized and the awareness that the concept termed Asset Management should be introduced to the construction field too to manage facilities. The present study is a basic study for the introduction of the concept Asset Management and proposed accounting guidelines(proposal) for public building maintenance cost that can clarify maintenance cost accounting. Existing literatures and current accounting standards were examined and the actual states of maintenance cost accounting of public buildings in A metropolitan city were examined to draw problems. For the practice guidelines(proposal), the types and contents of government office building maintenance expenditures were analyzed and items that must be treated as OPEX and CAPEX were presented. Expert interviews were conducted to verify the reliability of the items presented. The practice guidelines(proposal) were applied to the public buildings in A metropolitan city to identify situations of changes in asset values and review the effects of the practice guidelines(proposal) on increases in asset values. When applied to practices, the practice guidelines(proposal) suggested in the present study are considered to increase building asset values and provide consistent financial information to help stakeholders' decision making.
Yeo, Hyun Dong;Nam, Jeong Hee;Suh, Young Chan;Jeong, Jin Hoon
KSCE Journal of Civil and Environmental Engineering Research
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v.31
no.6D
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pp.793-801
/
2011
Existing specifications of road pavement require contractors to meet only materials and construction conditions regardless of pavement life. There are limitation of developing road pavement technology and possibility causing dispute between ordering organization and contractor with this type of specification. Research efforts to introduce performance warranty contracting are in progress in the field of road pavement to improve the problems. The performance warranty contracting gives the contractors opportunity to select materials and construction methods as they like. But they should satisfy a certain level of performance during a given period. The performance indicator and threshold value of pavement which are main elements of the warranty specification should be defined first to introduce the performance warranty contracting successfully. In this study, the performance indicator, threshold value, and warranty duration of asphalt pavement were investigated by reviewing literatures on performance warranty contracting of some states of the US. Major distresses influencing the performance of the asphalt pavement were investigated at 24 national expressway lines and national highway lines in 16 regions, and the data were analyzed to be compared to the cases of the US. Development of rational performance warranty specification for domestic asphalt pavement is expected based on the research results.
For conservation of biodiversity, we designate and manage the major areas that are habitats of organisms as ecosystem protected areas. It is necessary to evaluate the biodiversity of protected areas relatively in order to establish strategies to protect and secure the biodiversity of protected areas. In this study, we selected evaluation indicators by which we can compare objectively the biodiversity of protected areas corresponding to forest ecosystem, and applied them to Mt. Jiri and Mt. Bukhan National Parks. We reviewed literatures to select evaluation criteria. Frequently mentioned criteria and the structure of the forest which plays an importantrole of forest biodiversity were selected as the evaluation criteria. As the result, the selected evaluation indicators were 7-species diversity, species richness, evenness, rarity, disturbance species, indigenous species, and forest structure. In Mt. Jiri and Mt. Bukhan National Parks, species diversity were 3.492 and 2.943, species richness were 8.998 and 9.793, evenness were 0.849 and 0.680,rarity were 11.976 and 10.783, and disturbance species index were 0.214 and 0.357 respectively. Both national parks had abundant indigenous species and showed various forest physiognomies and stable 4-layer structure. It was found that crown density was higher in Mt. Jiri. Most indicators were implied high biodiversity in Mt. Jiri and Mt. Bukhan national parks.
Park, So-Lim;Lee, So-Young;Kim, Hyo Jin;Lim, Seong-Il;Nam, Young-Do;Kang, Il-Mo
Economic and Environmental Geology
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v.48
no.3
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pp.255-260
/
2015
There are more than 2000 minerals on earth, and it has been implemented in various fields such as environment, architecture, livestock, chemistry, pharmaceuticals. Clay minerals are considered that they can change the physical and chemical properties through the adsorption and release of metal ions. Although domestic deposit of non-metallic mineral resources is approximately ninety-six billion tons, its application is limited and has hardly been used in high value-added industries involved in medicine, medical supplies, and functional food materials. Bentonite and zeolite are already used for cosmetic purposes and also used in living goods and packing materials. However, direct application to the food industry is relatively very rare. Since records regarding the intake of minerals for foods and medicines are found in the old literatures, the utilization of non-metallic minerals as food materials appears to be highly profitable. According to the trends in patent research for food and mineral resources, the company plays a main role for the development of the food containing non-metallic minerals in USA, and the trends confirms that this industry is emerging. Here, we provided the information about domestic and foreign patent trend for food industries involved in mineral resources and the application of mineral resources in the food industries. We also covered the domestic regulation regarding usage of mineral resources in food, and proposed domestic application plan for food production using mineral resources in the future.
Jeong, Hwee-Soo;Kim, Dae-Young;Song, Kyoung-Po;Korean Family Medicine Palliative Medicine Research Group, Korean Family Medicine Palliative Medicine Research Group;Suh, Sang-Yeon
Journal of Hospice and Palliative Care
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v.10
no.1
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pp.43-47
/
2007
Decision-making of antibiotics use in infected patients with terminal stage of cancer was difficult for physicians, because of responsibility of solving a medical problem and burden on patients distressed by worthless life expansion. Korean Family Medicine Palliative Medicine Research Group discussed this subject using a case of a 65 year-old male having terminal stage of sigmoid colon cancer with extended cutaneous infection who was treated local antibiotics, improved but expired at the 12th hospital day. We reviewed related literatures and proposed a guide for antibiotics use in inferred patients with terminal stage of cancer. Antibiotics should be used for symptom control as major indication, especially when patients suffered from urinary symptoms. Appropriate antibiotics should be chosen based or sensitivity test. the most important considering factor should be patient and family members' wish about antibiotics use.
The hERG (human ether-a-go-go related gene) ion channel is a main factor for cardiac repolarization, and the blockade of this channel could induce arrhythmia and sudden death. Therefore, potential hERG ion channel inhibitors are now a primary concern in the drug discovery process, and lots of efforts are focused on the minimizing the cardiotoxic side effect. In this study, $IC_{50}$ data of 202 organic compounds in HEK (human embryonic kidney) cell from literatures were used to develop predictive 2D-QSAR model. Multiple linear regression (MLR), Support Vector Machine (SVM), and artificial neural network (ANN) were utilized to predict inhibition concentration of hERG ion channel as machine learning methods. Population based-forward selection method with cross-validation procedure was combined with each learning method and used to select best subset descriptors for each learning algorithm. The best model was ANN model based on 14 descriptors ($R^2_{CV}$=0.617, RMSECV=0.762, MAECV=0.583) and the MLR model could describe the structural characteristics of inhibitors and interaction with hERG receptors. The validation of QSAR models was evaluated through the 5-fold cross-validation and Y-scrambling test.
What are the critical factors in deciding future career to the gifted and talented students? The present study started with this question, and was to develop a career decision-making scale for scientifically gifted undergraduates. For this, literatures related to the scientifically gifted/talent and scientists' career decision-making were reviewed and examined in depth. Based on the review of the related literature, the developed scale of career decision-making was comprised of 26 items in 6 factors, such as individual aptitude & self-realization, economic aspect, work & leisure, familial influence, parents/teachers' recommendation, and experience of science activity during the school days. For the preliminary exploratory factor analysis, 153 undergraduate students who were majoring in natural sciences and engineer participated in the study. For the confirmatory factor analysis, 264 undergraduates who were awarded the presidential scholarships and 93 undergraduates who completed a university-affiliated gifted education center participated. The results of the study are as follows. The fit of measurement model was found to be $x^{2}$=645.157 (df=279, p=.00), TLI=.924, CFI= .935, RMSEA=.061, indicating most of fit indexes were acceptable. Cronbach's ${\alpha}$ in each sub-factor was quite high, .82 for individual aptitude & self-realization, .94 for economic aspect, .84 for work and leisure, .88 for familial influence, .79 for patents/ teachers' recommendation, and .79 for experience of science activity during the school days. The results of the study were discussed whether the developed scale could be used as a valid and reliable tool for measuring career decision-making factors of the scientifically gifted undergraduates in our country.
Grouping of the Korean traditional rice processed foods and their historical background in development were surveyed, principally being concentrated on the current topics reported on the rice-processed foods such as rice cakes and rice cookies. Rice-processed foods could be classified into seven groups according to the literature reported so far: rice gruels, boiled rices, rice cakes, alcoholic liquors, non-alcoholic beverages and seasonings. Among them, rice gruels and boiled rices were further divided into seven to eight groups based on their characteristics together with added materials. Eighty one names of rice cakes were reported in the literature, however it might be condensed to five groups according to their processing methods. Ninety different alcoholic liquors were found and arranged according to the cited period in the literature. Five kinds of rice cookies and nine kinds of non-alcoholic beverages were found in the literature. These are maintained until today with almost identical methods of preparation as described in the old literature. The scientific research results on the Korean traditional rice cakes and cookies published in the literatures were reviewed. A total of forty one research papers were collected: twenty seven papers on rice cakes and fourteen papers on rice cookies. Most of the researches were concerned to the processing conditions. The author felt deeply some too short of researches in the physicochemical changes during processing, the maintenance of the products quality and the industrialization of the traditional processing methods in rice foods.
Ginseng root, as a folk medicine, has been used in far eastern countries for thousands of years. Ginseng extract has been shown to have a variety of effects on the activity of the central nervous system, promoting stimulation as well as inhibition of the cortical activity. A survey of the relevant literatures has indicated that the putative anxiolytic activity of red ginseng has not been scientifically investigated. Therefore, the present study was designed to assess anxiolytic effect of gingseng total saponins(GTS). The putative anxiolytic effects of several fractions of GTS were investigated in mice using an elevated plus maze paradigm. Single dose administration of TS Fr.-I showed anxiolytic action in mice. Anxiolytic effect induced by TS Fr.-I was similar to that induced by diazepam. TS Fr.-II, TS Fr.-III and TS Fr.-IV did not show the anxiolytic action compared with that of TS Fr.-I. It was suggested that regulation of GABAergic neurotransmission may be important in the action of GTS. The Interaction of GTS fractions with benzodiazepine receptor was performed using rat cortical membranes. GTS inhibited the binding of [3H] Ro 15-1788 on the benzodiazepine receptor. Among from TS fractions, the binding activity of GTS in the TS Fr.-IV was highest, which did not show the anxiolytic activity. From these results, we conclude that GTS has anxiolytic action, and this is not related to benzodiazepine receptor binding activity.
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