Journal of Nuclear Fuel Cycle and Waste Technology(JNFCWT)
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v.17
no.4
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pp.437-445
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2019
After the permanent shutdown of K1 in 2017, decommissioning processes have attracted great attention. According to the current decommissioning roadmap, the dismantling of the activated components of K1 may start in 2026, following the removal of its spent fuel. Since the reactor vessel (RV) and reactor vessel internal (RVI) of K1 contain massive components and are relatively highly activated, their decommissioning process should be conducted carefully in terms of radiological and industrial safety. For achieving maximum efficiency of nuclear waste management processes for K1, we present activation analysis of the segmentation process and waste classification of the RV and RVI components of K1. For RVI, the active fuel regions and some parts of the upper and lower active regions are classified as intermediate-level waste (ILW), while other components are classified as low-level waste (LLW). Due to the RVI's complex structure and high activation, we suggest various underwater segmentation techniques which are expected to reduce radiation exposure and generate approximately nine ILW and nineteen very low level waste (VLLW)/LLW packages. For RV, the active fuel region and other components are classified as LLW, VLLW, and clearance waste (CW). In this case, we suggest in-situ remote segmentation in air, which is expected to generate approximately forty-two VLLW/LLW packages.
Journal of the Korea Academia-Industrial cooperation Society
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v.19
no.2
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pp.228-237
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2018
The purpose of this study is to develop an index to measure regional creativity factors from previous research, as well as to empirically analyze the relationship between regional creativity and regional growth. We conduct panel analysis on the balanced panel data of regional creativity in fifteen Korean cities and provinces during 2008-2012. The result of hypothesis testing are as follows: First, amongst factors of regional creativity, sub-factors such as creative personnel and intangible asset (of the basic asset factor), creative enterprise (of the economic agent factor), and convergence and creative industries (of the core industry factor) showed significant influential relationships with GRDP (Gross Regional Domestic Product) as positive. Concerning the systemization factor, all sub-factors showed no significant relationship with GRDP. Second, amongst the factors, creative personnel (of the basic asset factor), start-up and entrepreneurship (of the systemization factor), creative enterprise (of the economic agent factor), the regional space factor, and convergence industry (of the core industry factor) showed significant positive relationships with employment rate. However, tangible and intangible creative asset (of the basic asset factor), convergence management and administration (of the systemization factor), Large/middle/small enterprises and central government/municipalities (of the economic agent factor), and creative industry (of the core industry factor) showed no significant relationship with employment rate. The results of this study will provide insight into the current situation for regional creativity, and review the process and short and long term performance. In addition, it will be a basic means to lead the central government's policy of strengthening local autonomy and decentralization.
Today, the consumer is more careful in buying goods, invests more time in collecting relevant information to avoid any potential danger, and restricts from potential impulse buying. To react this consumer's carefulness, the seafood brands provide much information including the origin labeling system, the traceability, the food's safety & hygiene. Also the branding by region or company is pursued. Like that, a seafood brand's importance is increased, but there lack few researches dealing how current consumer's attitude influences on real purchase behavior, and how the attitude works consumer purchase decision. Therefore, this study researched the brand's influence on the consumer's attitude and purchase intention. For this purpose, this study targeted the salty mackerel and the dried yellow corvina because they are already branded and sold in some popularity, and researched how a brand's popularity, its image, and its recognized quality could effect on the consumer's attitude and purchase intention. As the result, it was appeared that a seafood brand's popularity didn't directly effect on the consumer's purchase intention, but indirectly influenced through the consumer's attitude as a parameter. From this result, improving a seafood brand's popularity needs some time to form the consumer's positive attitude and to lead to consumer purchase intention of seafood brand. So, it is thought that various promotion activities for seafood consumption must be continually performed rather than some temporary special events. Consumers showed more positive attitude on familiar seafood based on a product's original place and the freshness. Also they had better feeling about some seafood with their speciality images rather than the same kinds of products produced in other regions. This attitude temporarily led to purchase intention. Therefore, it is important that the branding strategy development should start from some seafood familiar to us in traditional food culture and food habit, but should delivery the reliance and the freshness in accurately indicating their origins, and should emphasize their differences as specialities. Consumers showed some positive attitudes on the seafood featuring the hygiene, the safety, continual good quality, and their attitudes led to their purchase intentions in temporary. The seafood product reflecting these results the best is the marketing activities on some Andong salty mackerel products acquired HACCP certification. it is thought that a seafood's branding strategy should be established on distinctive branding strategies using reliable certification mark like HACCP based on the hygiene, the safety, and the quality.
Asia-Pacific Journal of Business Venturing and Entrepreneurship
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v.7
no.3
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pp.143-149
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2012
With the increasing use of mobile phones, mobile game is emerging as an entertainment for move. Furthermore, smart phone is widely spread, so mobile game market is rapidly growing. According to "Republic of Korea 2010 Games White Paper" mobile game market is growing annual average 10% or more, and is expected to reach $ 9.8 billion in 2011. It is almost doubled compared to 2007. It became possible to realize complicated high-capacity game with mobile phone developed to smart phone. And at the same time, mobile game is associated with Social Network Services (SNS) and is worldwide growing as a part of 'mobile life'. Apple launched an application open market, App Store, in 2008, and mobile game industry welcomed an innovative turning point. Global smart phone application market (App Store) is opened, so Gameday is able to launch mobile games easily to the global market getting out of the domestic market. In addition, Apple App Store has the structure of sharing their revenue with the developer with 7 to 3 which is more favorable terms for the developer compared to supply mobile contents to the mobile carrier who monopolized the market in the past. The largest proportion of the current App Store application is game, and Gameday has the opportunity to make a significant leap forward by keeping pace with the new environment changes.
Asia-Pacific Journal of Business Venturing and Entrepreneurship
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v.15
no.2
/
pp.111-125
/
2020
In the rapidly changing era of the Fourth Industrial Revolution, the business environment surrounding venture companies is also changing rapidly. In recent years, the government has reorganized the venture verification system, including expanding the types and scope of venture companies. This study analyzes the current status of venture preferential system from the perspective of technology-based start-up companies and in addition, this paper proposes a plan for improving the legal system. For analysis, The relevant provisions were confirmed through a search using "venture" as a keyword in the National Legal Information Center and the Korean Court of General Law. Then, meaningful texts were extracted along with relevant data to secure basic data and analyzed by benefits, by means and by content. As a result of the study, Venture preferential treatment system is focused on 'reduction of burden' by the means of benefits, and on 'financial' and 'production' by benefits. In conclusion, four suggestions for improvement are presented. First, efforts are needed to increase the practical applicability of venture-related clauses. Second, the venture preferential treatment system is mainly focused on mitigating the burden, so efforts are needed to find a balance. Third, the venture preferential treatment system is mainly focused on the 'non-research' field, so the benefits of the 'research' field should be expanded. Finally, efforts to discover and overcome blind spots in the venture preferential system should be supported.
Recently, planning road construction in South Korea is focused on upgrading of the existing road by rerouting or restructuring. For this, roads under current construction in Korea go for more straight in its alignments and routing. Straight routing makes it all the more required to construct many mountain tunnels and bridges in Korea where mountains are so widely spread. Some portal of mountain tunnel is not rarely planed at high steep slope of mountain valley where it is not easy to secure working space for tunnel excavation. Reverse excavation is an alternative measure for excavation of tunnel portal at high steep slope. Construction in reverse excavation method has three important points requiring careful consideration: 1)planning of pilot tunnel in proper width, height, and length etc., 2)measure against the effect of one-side earth pressure to the direction of tunnel portal, 3)securing tunnel safety against shallow ground condition at portal zone. This paper intends to suggest applicable range of pilot tunnel for reverse excavation at the portal zone located at high steep slope, and shows result of study on the appropriateness of a reverse excavation by means of 3D numerical analysis. Result of 3D numerical analysis for reverse excavation at high steep slope shows that pilot tunneling will be applicable to start from the point $20{\sim}25m$ before the portal from inside the tunnel.
A shift of first fowering date (FFD) of spring blossoms (cherry, peach and pear) over the northest Asia under global warming is investiaged using dynamically downscaled daily temperature data with 12.5 km resolution. For the study, we obatained gridded daily data with Historical (1981~2010), and Representative Concentration Pathway (RCP) (2021~2100) 4.5 and 8.5 scenarios which were produced by WRFv3.4 in conjunction with HadGEM2-AO. A change on FFDs in 21st century is estimated by applying daily outputs of WRFv3.4 to DTS phonological model. Prior to projection on future climate, the performances of both WRFv3.4 and DTS models are evaluated using spatial distribution of climatology and SCR diagram (Normalized standard deviation-Pattern correlation coefficient-Root mean square difference). According to the result, WRFv3.4 and DTS models well simulated a feature of the terrain following characteristics and a general pattern of observation with a marigin of $1.4^{\circ}C$ and 5~6 days. The analysis reveals a projected advance in FFDs of cherry, peach and pear over the northeast Asia by 2100 of 15.4 days (9.4 days). 16.9 days (10.4 days) and 15.2 days (9.5 days), respectively, compared to the Historical simulation due to a increasing early spring (Februrary to April) temperature of about $4.9^{\circ}C$ ($2.9^{\circ}C$) under the RCP 8.5 (RCP 4.5) scenarios. This indicates that the current flowering of the cherry, peach and pear over analysis area in middle or end of April is expected to start blooming in early or middle of April, at the end of this century. The present study shows the dynamically downscaled daily data with high-resolution is helpeful in offering various useful information to end-users as well as in understanding regional climate change.
The delay in the construction permit for the building, which obtained the approval of business proposal, may lead to a difference in the maintenance cost ranging between 20% and 30% in the neighborhood where the residents moved in, along with the new project under construction in the surrounding area amidst rigorous regulations that aim to promote energy-saving and the heightened interest of the public in energy conservation, and such problem would become the major source of serious public complaints. Thus, the energy-saving plan needs to be prepared when the approval is granted to the business plan. In order to prevent public complaints or ensure effectiveness of government's energy plan, it may be effective to apply the energy-saving plan based on current standards upon the award of construction permit when two years have elapsed since the date of the scheduled commencement of construction or when the start of construction is delayed as stipulated in the Article 18 of the Enforcement Decree of Housing Act. If the energy-saving plan and related technologies are merely the parts of license and permit process without fully serving their purposes and functions, it would be waste of time to deploy a lot of workforce and review and seek consultation. The government or owners of buildings need to fully understand the energy-saving aspects and exert effort to enhance the energy efficiency of buildings.
Lee Jung-Hee;Chi Sang Cheol;Kim Seok-Hwan;Shin Young-Ho;Choi Jongwon
Journal of Life Science
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v.15
no.3
s.70
/
pp.461-467
/
2005
This study was conducted to investigate the biological activity and hepatoprotective effect of DWP-04 [DDB : selenium yeast: glutathione (31.1 : 6.8 : 62.1(w/w/w)] in D-galactosamine (GaIN) intoxicated rats. The DWP-04 (50, 100 or 200 mg/kg) or its vehicle was orally administered everyday before the start of GaIN injection (400 mg/kg, ip) for two weeks and animal decapitated for 24 hrs after GaINinjected. The activities of serum enzymes, markers of liver function, were increased in the GaIN group compared to normal group and significantly lowered in the DWP-04 pretreated group than in the GaIN group. Hepatic lipid peroxide level and activities of phase 1 enzymes were significantly higher than those of GaIN group compared to normal group and lower in the DWP-04 pretreated group than in the GaIN group, and phase II enzyme activities in liver were lower in the GaIN group than in the normal group and were increased in the DWP-04 pretreated group than in the GaIN group. Total hepatic glutathione content and glutathione biosynthesis enzymes were lower in the GaIN group than in the normal group and were increased in the DWP-04 pretreated group than in the GaIN group. Therefore, the current results indicated that DWP-04 administration alleviated the GaIN-induced adverse effect through enhancing the antioxidant enzyme activities.
Journal of the Economic Geographical Society of Korea
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v.17
no.4
/
pp.817-831
/
2014
In this paper insights from studies on the middle income trap and value chains analyses are combined to investigate one particular industry in one particular region: the sugarcane industry in Northeastern Thailand. Focusing on this region enables an in-depth focus on geographical differentiation of the middle income trap. The empirical outcomes demonstrate that policymakers involved with sugar should look at the particular challenges in Northeastern Thailand: 1. The role of brokers which is unaddressed in the current regulatory environment; 2. A lack of information of the regulatory environment among growers; 3. Distrust between growers and millers; 4. Alack of implementation of R&D efforts; 5 .A lack of support from associations; 6. The labor shortage problem, and 7. No incentives for growers, brokers and millers to improve quality and embark on upgrading. Since agricultural value chains in Southeast Asia often start in relatively poor rural areas it is imperative that policymakers balance the interests of upstream, midstream and downstream actors. Unfortunately, this is rather difficult as midstream actors (millers) and wholesalers are powerful and therefore, are in the best position to defend their interests. Our insights could function as comparative material for similar studies within other Southeast Asian upstream value chains.
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