Journal of the Economic Geographical Society of Korea
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v.19
no.4
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pp.597-615
/
2016
Since 1997 the United Kingdom has pursued creative industry and creative city development in accordance with the New Labor Party policy, strengthening its cluster policy by assigning creative city policies to traditional manufacturing-oriented regions. Tech City in London, one of the most successful examples of digital clusters, is an area in which diverse ecosystems for venture business integration have been established, as the once barren space began to spontaneously develop. For this region, systematic linkages including universities, private companies, start-ups, and accelerators have been added, along with the UK government's active support system. As a result of this opportunity, the scale of the UK start-up ecosystem has significantly grown, the number of local companies has surged, and brand effect has greatly improved. Tech City is an example of a well-balanced combination of public effort and private governance, based on the region's historical background and its potential for growth. It is an effective coordination of public policy and private active investment, services, research, and education. The market platform for institutional technology and commercialization, and aggressive investment shares in the risk, have lead to its growth as a start-up and an innovative city. Britain's efforts to expand the nationwide cluster for the future-oriented digital economy is most noteworthy.
Objectives: To examine the relationship between air pollution exposure and mortality in Seoul for the years of 1991-1995, Methods: Daily counts of death were analyzed by general additive Poisson model, with adjustment for effects of secular trend, seasonal factor, day of the week, heat wave, temperature, and humidity. Pollution variables were ozone, nitrogen dioxide, total suspended particles(TSP), and sulfur dioxide. Results: Daily death counts were associated with ozone(1 day before), nitrogen dioxide(1 day before), TSP(2 days before), sulfur dioxide(2 days before). The association with ozone was most statisfically significant and independent of other air pollutants. Increase of 100 ppb in ozone was associated with 0%(95% Cl= 2%-10%) increase in the daily number of death, This effect was greater in persons aged 65 and older. The relative risks of death from respiratory disease and cardiovascular disease were greater than for all-cause mortality in each pollutant. After ozone level exceeds 25 ppb, the dose-response relationship between mortality and ozone was almost linear. However, the effect of TSP, sulfur dioxide, and nitrogen dioxide on mortality might be confounded with each other. Conclusion: Daily variations in air pollution within the range currently occurring in Seoul might have an adverse effect on daily mortality.
Journal of the Korean Society of Clothing and Textiles
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v.30
no.12
s.159
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pp.1800-1809
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2006
The wearable technology takes the concept of clothing over its limits -integrating software, communication devices, and sensors into the garments to enable them to 'think' for the wearer. A dress is no longer just a dress, but a dress as well as a wearable computer interface. This wearable computer network transports the data power and control signals within the wearer's personal space. The purpose of this thesis is to explore the wearable technology from a commercial perspective. On this theme I made a survey and interviewed 20 men and 20 women in London to find out if many people are familiar with the concept of the wearable technology. The main results of this study include: Firstly, according to the survey, people are not familiar with the concept of the wearable technology, and further people thought negatively about the wearable computer rather than positively they worried about hish prices, inappropriate technology and side effects. Secondly, people are especially interested in items related to health and security, so in this area there are huge potential opportunities for the wearable technology, Finally, wearable technology needs to be a simplified set of interactive devices, which are in a user friendly format for marketability because convenience was one of the biggest concern for consumers. Therefore, development of the wearable computer should be promoted not only through computer engineering but also through the connection with human lift.
Journal of the Korean Society for Marine Environment & Energy
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v.11
no.3
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pp.132-137
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2008
The average concentrations of COD and copper in the livestock sludge are $930,726{\pm}380.801$ mg/kg and $679{\pm}341$ mg/kg, respectively. Due to the high concentrations, dumping to the sea of the sludge could pose potential adverse effects to the marine environment. On the contrary, it could have economic advantages on land as the energy of biogas generated by decomposition of organisms and the compost in case of the sludge of good quality with the abundant nitrogen and phosphorus. Nevertheless, the amount of livestock sludge dumped to the sea in Korea increased sharply from 51,000 $m^3$ in 1997 to 2,745,000 $m^3$ in 2005. And also it had the high proportion of 27% in total amount of waste dumped into the sea (7,451,000 $m^3$) in 2007. It might cost between 20,000 won and 33,000 won to dump to the sea of the sludge. In comparison, it might cost 20,000 won to com- post the sludge. And its purification treatment even might cost just 10,000 won. It means that the disposal of the sludge at sea is the most expensive method to deal with the sludge, but ranchers, who engage in the livestock industry, still prefer the disposal at sea to the other methods on land such as the compost and purification treatment. In this article, therefore, we would analyze various factors in the ranchers' preference for the disposal of the sludge at sea, and then we could suggest some legal improvements to prevent and reduce pollution of the sea.
Journal of Korean Society of Environmental Engineers
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v.30
no.1
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pp.90-96
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2008
In order to meet the stringent requirement of sludge disposal and to find ecological alternative, aerobic digestion coupled with alkaline pretreatment was studied. The treated sludge was tested for the potential of liquid fertilizer. In the aerobic digestion, it was obvious that the performance of digester B(fed with the sludge pretreated by NaOH) was better than that of digester A(fed with raw sludge) in terms of COD and SS removal. SS and VSS removal rates in digester B were 66% and 69%, respectively. At 5 days, TSS removal rate reached 47% in the digester B, which was 71% of final TSS removal rate. It revealed that the pretreatment process can shorten the retention time of aerobic digestion. 94.1% of TCOD in the raw sludge was reduced by alkaline pretreatment and aerobic digestion. Final SCOD was in the range of 220$\sim$230 mg/L implying the sludge was stabilized. Nitrification and pH drop were observed in the aerobic digestion. Final nitrate concentrations in digester A and B were 445.4 and 223.1 mg/L and final pH in digester B was 3.0. Biological assays reported that leaf size of cucumber seedling increased with nitrate concentration and sludge to soil ratio. The sludge treated by alkaline and aerobic digestion promoted the growth of seedling leaf and stem remarkably compared to raw sludge. In contrast, the aerobically digested sludge without pretreatment improved leaf growth and inhibited stem growth.
The main purpose of this study was to detect and classify public perceptions toward smog disasters on Twitter using topic modeling. To help achieve these objectives and to identify gaps in the literature, this research carried out a literature review on public opinions toward smog disasters and topic modeling. The literature review indicated that there are huge gaps in the related literature. In this research, this author formed five research questions to fill the gaps in the literature. And then this study performed research steps such as data extraction, word cloud analysis on the cleaned data, building the network of terms, correlation analysis, hierarchical cluster analysis, topic modeling with the LDA, and stream graphs to answer those research questions. The results of this research revealed that there exist huge differences in the most frequent terms, the shapes of terms network, types of correlation, and smog-related topics changing patterns between New York and London. Therefore, this author could find positive answers to the four of the five research questions and a partially positive answer to Research question 4. Finally, on the basis of the results, this author suggested policy implications and recommendations for future study.
Sewage sludge cake(SSC) is seriously concerned because ocean dumping, which is the cheapest treatment method now, will be banned in 2012. On the basis of this reason, recycling of SSC is emphasized to convert the treatment method. One of the method to recycling SSC could be carbonization process which also can be reduced greenhouse gas effectively. And carbonization residue of SSC produced by carbonization process can become a renewable energy source. However, carbonization process has not been evaluated by considering basic operating data such as heating value, yield and fuel ratio. In this study, the basic characteristics of SSC such as proximate analysis, elementary analysis and heating value are analyzed. In carbonization process, the effect of carbonization temperature and time on the residue of SSC are estimated. And the analysis is carried out to obtain basic properties of the residue of SSC. From the result of chemical composition of SSC residue, there is 27% of phosphate in SSC. Phosphate will take a role of reductant to convert from hazardous substance to non-hazardous material. As increased carbonization temperature and time, heating value and yield are decreased but fuel ratio(fixed carbon/volatile combustible) of the residue is increased. In the carbonization process, the optimum temperature and time in carbonization test for SSC can be decided by $250^{\circ}C$ and 15 min, respectively. However, the carbonization residue of SSC can not be deserved to use one of renewable energy sources because the heating value at the optimum condition is relatively low. Hence, it is desirable that SSC can be mixed with other organic waste to carbonize.
The purpose of this study is to classify the budget and settlement of global natural history museums into functional criteria, to compare and analyze the integrative research and general administrative functions of these museums, and to suggest the standard of budget compilation of the Korean National Museum of Natural History, which will be established in the near future. Annual reports, documents of budget request, financial statements and account books were collected from the following museums: SNMNH of The U.S.A, AMNH of the U.S.A, NHM of England, MNHN of France and NMNS of Japan. The integrative research and general administrative functions of the studied museums are reclassified into the criteria of budget and settlement data of the Smithsonian National Museum of Natural History. After arranging the details regarding budget and settlement of each museum, the international comparative analysis was investigated on the amounts of the integrative research and general administrative functions among the studied museums. The comparison and analysis show the ratio of integrative research function and general administrative function in budget expenditure standard at 6:4 in natural history museums of the U.S.A and England, of which the functions of research, education, exhibition and publication are considered to be the most activated in the world. This implies that museums should increase the budget for support of integrative research to allow them to maximize their functions.
The purpose of this review is to discuss the debate concerning the interpretation of epidemiologic studies on particles and health effects. Study of the 1952 air pollution disaster in London established that very high levels of particulate-based smog can cause dramatic increases in daily mortality. However, recent epidemiologic studies have reported statistically significant health effects and mortality due to low levels of air pollution. The statistical significance does not prove causation in observational studies; therefore it is necessary to evaluate these associations. There are arguments for and against each of the numerous studies using Hill's criteria, however the body of accepted evidence supports the causal association. In particular, a high level of consistency in the estimated effect of PM10 has been observed across studies worldwide. The mechanism of the relationship between air pollution and health effects is not obvious. The mechanism of particle-induced injury may involve the production of an inflammatory response by the particulate. The harvesting and the threshold effect are also major concerns regarding the health effects of air pollution. However, current epidemiologic findings indicate that linear models lacking a threshold are appropriate for assessing the effect of particulate air pollution on daily mortality even at current levels.
In Korea, although nearly all maritime arbitration cases are dealt with by the Korean Commercial Arbitration Board (KCAB), the total number of cases that are referred to the KCAB is relatively small compared with the total number of maritime cases that occur in Korea. There may be reasons why maritime arbitration is not utilized more in Korea. However, of the above reasons, the superseding one may be that there is still a lack of confidence in the credibility and foreseeability of maritime arbitration in Korea. To expand the use of maritime arbitration in Korea, it is essential that the base surrounding maritime arbitration be expanded. In addition, it is also necessary that specialists receivetraining in maritime law. In this context, it is strongly recommended that maritime and admiralty law be taught in law schools and be included as a regular subject on the Korean bar exam. Additionally, to promote maritime arbitration, a rule should be introduced allowing for shortened arbitration proceedings in Korea. Although Chapter 8 of the KCAB Arbitration Rules provide for "Expedited Procedure," this process alone is not because the rules for Expedited Procedure generally apply in arbitration cases where both parties have agreed in a separate agreement to follow the procedures provided or in any domestic arbitration valued atless than 100,000,000 Korean won. Therefore, the KCAB Arbitration Rules for Expedited Procedure must be reformed to encompass international arbitrations. Additionally, experts who are experienced in the maritime sector should be elected as arbitrators. Given the factthat a fair number of arbitration cases can be characterized as international, it is important that businesspersons who are very fluent in English be appointed as arbitrators in order to increase the reliability of maritime arbitration in Korea and save costs. Meanwhile, because lawyers and scholars constitute a considerable portion of KCAB arbitrators, commercial persons from relevant industries should be enlisted as arbitrators. Even though there are arguments for the establishment of an independent maritime arbitration board in Korea, establishment of a separate maritime arbitration board will not directly guarantee the prosperity of maritime arbitration in Korea. Instead of instituting a new maritime arbitration board, it is better that a reorganized KCAB modify existing arbitration proceedings to make them faster and more economical if maritime arbitration is to prosper. In this regard, ad-hoc arbitration would be an option for speedy and thrifty maritime arbitration. Finally, to gain the confidence of domestic and foreign parties, we cannot ignore the importance of advertising the specialties and qualifications of the KCAB and its personnel among business entities.
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