Journal of The Korean Society of Clinical Toxicology
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v.6
no.1
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pp.9-15
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2008
Purpose: Dichlorvos has been in widespread use as an organophosphate (OP) insecticide compound. The purpose of this study was to access the epidemiology and clinical features of dichlorvos in Korea. Methods: This was a 38 multi-center prospective study of dichlorvos poisoning using surveys, a structural reporting system and review of hospital records from August 2005 to July 2006. A total of 54 patients with acute dichlorvos poisoning on a national basis were enrolled. We analyzed the epidemiologic characteristics and clinical manifestations of dichlorvos poisoning. In addition, the clinical features of dichlorvos poisoning were compared with others OP compounds. Results: During the study period, compounds involving pure OP poisoning were dichlorvos (22.7%), methidathion (8.4%), and phosphamidon (6.7%). In acute dichlorvos poisoning, all ingestion routes were oral. Intentional poisoning involved 74.1% of cases. The common initial complaints involved gastrointestinal (64.8%), systemic (61.1%), central or peripheral nervous system (53.7%), and respiratory symptoms (50.0%). The median arrival time to hospital after dichlorvos poisoning was 2.6 hours and mean hospitalization duration was 7.1 days. 2-PAM was administered in 35 patients in mean doses of 6.3 g/day intravenously. Atropine was administered in 30 patients with a mean dose of 62.8 mg/day (maximal 240 mg/day). Overall mortality rate for dichlorvos poisonings were 14.8% (8/54). Immediate causes for death included sudden cardiac arrest or ventricular dysrhythmias (50%), multi-organ failure (25%), acute renal failure (12.5%), and unknown causes (12.5%). Conclusion: When compared to previous reports, dichlorvos poisoning displayed relatively moderate severity. The presence of a lower GCS score, altered mental status, serious dysrhythmias, systemic shock, acute renal failure, and respiratory complications upon presentation were associated with a more serious and fatal poisoning.
This study is to investigate structure relationship between factors influencing or mediating store loyalty in service encounter. The result of study suggests salesperson's voluntary service has an effect on store loyalty through interpersonal relationship and store satisfaction. On the other hand, nonvoluntary service doesn't statistically influence interpersonal relationship but influences store loyalty through store satisfaction. Interestingly this results shows that store loyalty is consisted of cognitive loyalty, affective loyalty, intentional loyalty, and behavioral loyalty and each loyalty have an affect in sequence each other. Managerial implications on research result is followed as first, as an evaluation method of salesperson, it is useful to evaluate salesperson's behavioral performance. second, to build store loyalty, it must make an effort for marketer to differentiate through store promotion in terms of customer's cognitive perspectives. It is meaningful for these results to apply to current retailing situations practically.
The number of acute drug intoxication who visiting to emergency department which is located near urban and rural area concomitantly is inclined to increase slightly, The purpose of this study was the investigation of methods and strategies of management of acute drug intoxication in emergency department Clinical trials were done on 92 cases of acute drug intoxication visiting to Emergency Department of Chungnam National University Hospital during 4 months from April to July 2003. 1. The total number of acute drug intoxication during this period was 92 patients, which presented 0.95% of all the emergency department visiting patients during the study. The intentional ingestions were observed in 84 cases (91.3%). 2. The maximal point of age distribution was 4th decade. The number of that was 21 cases (22.8%). 3. The number of patients who had ingested benzodiazepines and doxylamine succinates was 26 cases (28.2%), organophosphorus was 20 (21.7%), paraquat was 10 (10.8%), others were 36 (39.3%). 4. Five kinds of po1ydrug ingestion was observed in 3 cases, four kinds was observed in 3, three kinds was observed in 5 and co-ingestion of alcohol was observed in 28 cases (30.4%). 5. The mortality was occurred in 4 cases, 2 of them were caused by paraquat, 1 of them was caused by organophosphorus (OP), 1 of them was caused by acetic acid. 6. The gastric larvage as a mean of treatment modality was done in 57 cases (61.9%). The use of activated charcoal was done in 8 (8.69%). The maintenance of tracheal intubation was done in 6 (6.52%). 7. The mean observational period in emergency department was 8 hours 42 minutes in benzodiazepine and doxylamine succinate group, 21 hours 46 minutes in OP, 20 hours 39 minutes in other germicidal except OP, 23 hours 9 minutes in paraquat group. Without a drug information and intoxication center in Korea, We should minimize the exhaustion of medical resources by establishment of determinant criteria which can be seen in relatively less-complicated cases of acute drug intoxication. Thus, we should consider the introduction of simple toxicology treatment protocol and toxicologic observation unit in emergency department as possible means to reduce economical and social burdens.
Journal of The Korean Society of Clinical Toxicology
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v.5
no.1
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pp.27-35
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2007
Purpose: Organophosphate (OP) compounds insecticides are the most commonly associated with serious human toxicity all over the world. The aim of this study was to identify sociocultural factors that contribute to high incidence of pure OP poisoning and prevent OP poisoning in order to reduce the factors responsible for deaths in South Korea. Methods: This is the 38 multi-centers survey and prospective study of pure OP poisoning by structural reporting system and hospital records from August 2005 to July 2006. 238 patients with acute pure OP poisoning were enrolled. We collected patient information regarding poisoning, clinical, and demographic features. Results: The mean age was $55.32{\pm}17.3$ years old. The most frequent site of exposure was their own residence(85.7%). Frequent compounds involving pure OP poisoning were dichlorvos(22.7%), methidathion(8.4%), and phosphamidon(6.7%). Intentional poisoning was 77.9%. The most frequently route of exposure was ingestion(94.5%). The mean arrival time to hospital after poisoning was 12.7 hours and mean hospitalization duration was 12.9 days. 2-PAM was administered to 101 patients in mean doses of 6.3 g/day intravenously. Atropine was administered to 81 patients in mean doses of 74.6 mg/day (maximal 910 mg/day). The presence of lower level of GCS score, respiratory complications, hypotension, acute renal failure, and serious dysrhythmia was associated with serious and fatal poisoning. Overall final mortality in pure OP poisoning was 9.7%(23/238). Conclusion: This study highlights the problem of pure OP poisoning in South Korea as a basic national survey. Futhermore this might help the establishment of strict policies availability of OP and the statistics of OP poison exposure in South Korea.
Journal of the Korean Institute of Landscape Architecture
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v.46
no.3
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pp.92-102
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2018
The purpose of this study is to investigate if subjective well-being could be improved by visiting urban forests near residential areas. Because visiting an urban forest is not an intense positive experience, this research is focused on frequency of affective experience rather than intensity. The independent variables are number of visits and length of stay. The dependent variables are positive affect, negative affect, and life satisfaction. A polling agency was employed to select 600 respondents by quota sampling, and data was collected by online survey. The results of ANOVA showed that there was no interaction between the number of visits and length of stay. Regardless of the number of visits, the subjective well-being of visitors of urban forests was enhanced: (a) positive affect of respondents who had visited in the past 2 weeks was increased while negative affect was decreased, and (b) life satisfaction for those who had visited at least 1 time per month was enhanced among usual visitors. The stay of length, however, had little effect on the increase or decrease of these three variables. The results of this study support the existing theory that one could reset their genetically determined happiness set point to a higher level by participating in intentional activities such as visiting urban forests that offer ways to achieve long-lasting changes in well-being. This means that it would be a valuable government investment to construct and maintain urban forests for improving citizens' welfare. A few comments were suggested regarding data collection and inclusion of influencing variables to make future subjective well-being studies more reliable.
The magazine of the Korean Society for Advanced Composite Structures
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v.5
no.2
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pp.26-31
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2014
This invention is purposed to provide an innovative solution for the inside of roof structures, which is cultural assets. The Asian old houses generally have several layered roofs on top of the structures. If a fire has started inside of the roof, it is hard to be extinguished before eliminating all the upper layers of the roof. This invention provides pre constructed embedded pipes, which is flammable and easy to be dissolved by the fire. The material of pipe is composed of rubbers, of which the combustion point is so low that the extinguishing of initial fire is possible without additional fire service. The inside of pipe is filled with halon gas. If the filled gas is consumed after ignited by fire, additional fire extinguishing water is supplied. If the flexible pipes are totally combusted by a big fire, the sprinkler at the end of inflexible pipe will work continuously, which is located between flexible and inflexible pipes. The extinguishing pipe network is suggested as dividing whole roof as multiple sections for a swift fire extinguishing in case of intentional or natural fire attack to our invaluable cultural assets.
Indium oxide ($In_2O_3$) single layer and $In_2O_3$/copper (Cu) bi-layer films were prepared on glass substrates by RF and DC magnetron sputtering without intentional substrate heating. In order to determine the effect of the Cu bottom layer on the optical, electrical and structural properties of $In_2O_3$ films, 3-nm-thick Cu film was deposited on the glass substrate prior to deposition of the $In_2O_3$ films. As-deposited $In_2O_3$ films had an optical transmittance of 79% in the visible wavelength region and a sheet resistance of 2,300 ${\Omega}/{\square}$, while the $In_2O_3$/Cu film had optical and electrical properties that were influenced by the Cu bottom layer. $In_2O_3$/Cu films had a lower sheet resistance of 110 ${\Omega}/{\square}$ and an optical transmittance of 71%. Based on the figure of merit, it can be concluded that the Cu bottom layer effectively increases the performance of $In_2O_3$ films for use as transparent conducting oxides in flexible display applications.
Public Service Advertising(PSA) is the integrated marketing concept including strategy and technology in all its aspects that pursue the changes of community to seek an agreement of its members by the intentional and the target oriented way. PSA to the exclusion of commercial intention reflects the current social flow and subject since it is focused to the social issue. PSA plays an important role in creating the further cultural value, and also affects present cultural value to advertising message. In this aspect, this study is very valuable to design the plan for further effective management of advertisement and to analyze communication strategy of PSA. This study is to make dear the nature of PSA by the analysis of contents of visual image and linguistics' factors in actual produced and broadcasted TV advertising, called 'Protection of environment' In the results, PSA related the environment is working to linguistic-centered persuading message corresponding to visual factor, this intends to educate and instruct the consumers in 1980's. PSA, therefore, shows a non-description nature without story line and a hero(heroin) on it. In contrast, after 1990's, PSA was made up image-centered and maximized the effectiveness public campaign through the activating consumer's judgement and intervention. We are able to know that it contributes to considering and persuading the consumer to suggest the story format through the visual way to deliver the message. This study of relationship between visual image and linguistics is a common trend appeared in all media including today's advertising, and may be a remarkable result to present proper direction of PSA campaign.
Kim, Minwoong;Park, Jeyoung;Choi, Jinsun;Kim, Minjung;Kim, Taehoon
대한공업교육학회지
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v.42
no.2
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pp.47-66
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2017
As the necessity of humanistic education has recently been socially emphasized, aptitude and character test has been conducted in the stage of training instructors to focus on making them equipped with proper ability of humanistic education. Especially, considering characteristics of students in specialized high schools with stronger negative concept of ego along with higher proportion of students looking for job in early ages compared to regular high schools, instructors in specialized high schools need to pay more attention on humanistic education of students compared to those in regular high schools. Therefore, this study has developed social emotion learning (SEL) of preliminary teachers in specialized high schools and analyzed the influence of developed programs on characters in teaching positions of preliminary instructors in specialized high schools. In this study, ADDIE model has been used developing SEL programs, and developed programs were comprised of total six sessions. Social emotion learning has been performed on 27 preliminary teachers in experiment group, and regular academic education courses were given on 30 preliminary teachers in control group. At this time, as for class contents, 'self-recognition' has been dealt with in the first and second sessions followed by 'self-management' in the second and third sessions, 'adjustment in relationship' in the fourth session, 'responsible decision making' in the fifth session, and 'personal relationship' in the sixth session. Classes have been conducted for 90 minutes in average. Since intentional sampling method has been used in this study, difference of pre-scores between groups might influence on the difference on post-scores. Therefore, ANCOVA that adjusted the pre-scores to be consistent has been utilized. As a result, there was a significant difference on the post-scores in characters in teaching positions between experiment group and control group.
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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v.32
no.1
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pp.63-73
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2014
Recently, researches on DBRN(DataBase Referenced Navigation) system are being carried out to replace GNSS(Global Navigation Satellite System), as weaknesses of GNSS were found that are caused by the intentional interference and the jamming of the satellite signal. This paper describes the gravity gradient modeling and the construction of EKF(Extended Kalman Filter) based GGRN(Gravity Gradient Referenced Navigation). To analyze the performance of GGRN, fourteen flight trajectories were made for simulations over whole South Korea. During the simulations, we considered the errors in both DB(DataBase) and sensor as well as the flight altitudes. Accurate performances were found, when errors in the DB and the sensor are small and they located at lower altitude. For comparative evaluation, the traditional TRN(Terrain Referenced Navigation) was also developed and performances were analyzed relative to those from the GGRN. In fact, most of GGRN performed better in low altitude, but both of precise gravity gradient DB and gradiometer were required to obtain similar level of precisions at the high altitude. In the future, additional tests and evaluations on the GGRN need to be performed to investigate on more factors such as DB resolution, flight speed, and the update rate.
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