• Journal of Korean Public Health Nursing
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• v.12 no.2
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• pp.1-11
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• 1998

This study was performed to analyze the occupational health nursing of support-project of health management skill for small-scale industries. The 2 subject centers were under the umbrella of Korean Industrial Health Association and data collection period was 2weeks from September 1 to 13. 1997 and time and motion study method was used. Data was handled by SPSS win 7.5 program. results were worked out number. percentage. F-value. (1) The weekly time spending of occupational health nurses was distributed into indoor service 46.9%, outdoor service 26.6%, movement 26.5%. The mean visiting times were 2-3 times per week. and spending time was about 1 hour per industry. (2) There are statistically significant difference among the distribution of time spending according to industrial works(F=23.08. p=.000). and the special education for occupational disease prevention takes the most mean time. (3) There were statistically significant difference among the spending time for the health coach of occupational health nurses(F=188.79. p=.000). and the activity time for workers (58.4%) was more than that of for monitors(41.6%). The frequency of health coachs were 155 times for monitors during two weeks. but health coach for worker was 87 times. As a results. the contents of health coach for workers was proved to take more time than that for monitors. Perhaps we think that monitors has limitation for health management. therefore we should be consider flexible management of visiting time and health coach guidelines for occupational health nurses. (4) There were statistically significant differences among the distribution of time spending according to health coach methods for industrial health nurses(F=66.31. p=.000). The most frequent method of all was guide transmission. 159 times(65.7%), and the mean spending time for instruction was 19.78 min. the longest time. Our suggestion for occupational health nursing of support-project of health management skill for small-scale industry is that the need of each industry is very complex because of various conditions. therefore need assessment for industries should be conducted professionally. And occupational health nurses should apply occupational health nursing process autonomously. and their activities be guaranted by the guideline

• Journal of the Korea Concrete Institute
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• v.25 no.1
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• pp.115-123
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• 2013

The steel industry, a representative industry that significantly consumes raw materials and energy, produces steel as well as a large amount of by-product steel slag through the production process. The vast habitat foundation of marine life has been destroyed due to recent reckless marine development and environment pollution, resulting in intensification of the decline of marine resources, and a solution to this issue is imperative. In order to propose a method to recycle large amounts of by-product slag into a material that can serve as an alternative to natural aggregate, the engineering properties and applicability for each mixing factor of environment friendly porous concrete as a material for the composition of marine ranches were evaluated in this study. The test results for percentage of voids per mixing ratio revealed that the margin of error for all conditions was within 2.5%. The compressive strength test results showed that the most outstanding environmental friendly porous concrete can be manufactured when mixing 30% slag aggregate and 10% specially treated granular fertilizer for the optimum volume fraction. As concrete for marine applications, the best seawater resistance was obtained with mixing conditions for high compression strength. An assessment of the ability to provide a marine life habitat foundation of environmentally friendly porous concrete showed that a greater percentage of voids facilitated implantation and inhabitation of marine life, and the mixing of specially treated granular fertilizer led to active initial implantation and activation of inhabitation. The evaluation of harmfulness to marine life depending on the mixture of slag aggregate and specially treated granular fertilizer revealed that the stability of fish is secured.

• Journal of The Korean Association For Science Education
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• v.20 no.2
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• pp.297-306
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• 2000

The purpose of this study was to examine the relationship among an achievement, a meaningful learning orientation and a reasoning ability. 149 third grade middle school students were tested. The achievement test was designed to measure students' interrelated understanding of genetics. A modified LPQ(Learning Process Questionnaires) was used to measure students' meaningful learning orientation. Students' reasoning ability were identified by the short version GALT(Group Assessment of Logical Thinking). Correlations between different variables were examined. Regression analyses were conducted to examine the predictive influence of meaningful learning orientation and reasoning ability on the achievement of students. And ANCOVA was used to identify the interaction of these variables on students' achievement. Students did not understand well enough the concepts of genetics. Meaningful learning orientation indicated a significant gender difference. Girls tend to do more meaningful learning than boys(p<.05). Many students(48.76%) were at the transitional cognitive level. Results of correlations indicated that students' attainment of meaningful understanding was significantly and positively related with a meaningful learning orientation and a reasoning ability. But there was no significant correlation between students' meaningful learning orientation and reasoning ability. Regression analyses indicated that learning orientation and reasoning ability were able to predict the achievement of students. They predicted better on solving genetics problem than understanding genetics problem. Results of ANCOVA showed that the test scores of genetics were significantly different according to not only learning orientation levels but also cognitive levels. But, there was no interaction between learning orientation and cognitive levels. Within the transitional and formal cognitive level, the meaningful learners performed significantly better than the rote learners on the test of genetics.

• Journal of The Korean Association For Science Education
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• v.20 no.2
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• pp.307-328
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• 2000

The purpose of this study is to develop and implement an alternative elementary science curriculum to enhance creative problem solving abilities. The curriculum consisting of three main elements was developed. The three elements are content knowledge, process knowledge and creative thinking skills. The curriculum was validated by more than 10 science educators, scientists, and curriculum specialists. In order to implement the curriculum, three lessons for 5th grade were developed and taught by a problem-based-learning(PBL) method in an experimental group during the second semester. For the comparison group the ordinary lesson based on the 6th national science curriculum was taught by the same science teacher during the same period. Performance assessment was developed and used for the pre and post test. Two-way ANOVA, and T-test were used to check whether there are any significant differences between the gains of scores(pre-post test) of the two groups. The results of the test showed that the experimental group increased significantly in the total creative thinking problem solving skills, but the comparision group did not.

• KSCE Journal of Civil and Environmental Engineering Research
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• v.31 no.1D
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• pp.157-166
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• 2011

This study is to mention necessity of building Green-way by foreign theoretical backgrounds and analyzing cases of internal and external, and is purposed on assessment of projects in operation internal by above necessity. For these assessments, looking into cases of green-way plan of external and defining issues by comparing with internal cases to suggest solutions. Green-way planning methods can be classified in physical and non-physical aspects. From among these, for case of non-physical method, its environments of each nation, region, local are all different from each other and can not be turned into a numerical value and quantification, as well. Therefore, analyzing and suggesting the directions on the basis of physical method. Understanding the improvements degree of physical environment of before and after implementation of projects by using successful cases of external similar to actual state of internal. By these process, inflecting to suggest a seek way of applied to internal projects. Local aspects, doesn't have the specific analyzed data of improvement of pedestrian environment and building green-way and are shortage of implementation of projects also. For that reason this study is to look into the status and plans of building green-way in Seoul and analyzing the 7 completed region cases. And suggesting issues of projects and the direction of national and local green-way projects.

• The Korean Society of Law and Medicine
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• v.13 no.2
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• pp.11-38
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• 2012

The Supreme Court stand in the position in specific lawsuit that it doesn't allow the discretionary not covered service, but recently in revocation suit of fine disposal that is imposed on medical fee of leukemia patient, it altered the existing adjudgement and admitted the discretionary not covered service exceptionally. It put forward the allowable condition roughly in that case. According as this alteration, it has become more important to embody the allowance conditions of exceptions. The Supreme Court presented three things, which are procedural condition, medical condition and subscriber's agreement. Concerning procedural condition, several present conciliation procedures are as follows: medical care benefit arret request, relative value conciliation etc, prior request on anti-cancer drug among chemicals which exceed acceptance criteria, request of non benefit object on common drugs. To be granted the existence of those system, there should be no obstacle to use that. Even if it were so, we should take circumstances into consideration; individual situation is unescapable concerning substance and urgency of the discretionary not covered service, process of the procedure, time required etc. Regarding medical condition, safety and effectiveness will be verified through evaluation procedures of new medical skill. About the necessity, the Supreme Court made clear through a sentence that it allow the discretionary not covered service, in case that needs to treat a patient out of the standard of medical benefit. Strict interpretation is right and it answer the purpose of the sentence that the supreme court permit the discretionary not covered service, exceptionally. We need to differentiate medical necessity and medical validity. Subscriber's agreement should holds true if it entails full explanation, and if it is preliminary, explicit and individual. On this account, it should be difficult to admit that someone agree effectively when he call for the affirmation that he is recipient of medical care. Reasonable expense needs to be a part of review whether the agreement is valid. Meanwhile If we adjust system of medical expense and eventually reorganize a fee for consultation payment system (Fee-for-service controlled by item to DRG (Diagnosis Related Groups)), controversial area of the discretionary not covered service will be decreased and that will guarantee the discretion of the doctor.

• Journal of Preventive Medicine and Public Health
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• v.34 no.2
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• pp.175-181
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• 2001

Objectives : To compare the multiple outcomes of patients with cataract surgery at perioperative time,3-4 months and 12 months after surgery and to assess patient outcomes associated with visual improvement(visual acuity of operated eye, visual function-14(VF-14), symptom score). Methods : For this assessment, a prospective study was conducted with 389 patients who had undergone cataract surgery for either one eye or both eyes. The surgery was peformed by 20 ophthalmologists who were practicing at university hospitals and general hospitals. Patients were interviewed and clinical data were obtained. Doctors were questioned with self-reported questionnaire forms. Medical records were examined in order to measure variables related to the surgical process such as surgical methods and ocular comorbidity. The survey was 'conducted at 4 stages' : preoperative time(389 cases), perioperative time(344 cases, 88.4%), postoperative 3-4 months (343 cases, 88.2%), and postoperative 12 months (281 cases, 72.2%). After excluding cases with incomplete data, 198 cases were enrolled in the study. Patient outcomes was measured for any improvement in the functional outcomes(visual acuity of operated eye, visual function, symptom score) at postoperative 3-4 months. Results : The visual acuity(operated, weighted average), symptom score, VF-14 score, satisfaction with vision, and subjective health status were shown to be improved at the perioperative time, postoperative 3-4 months and 12 mouths. An improvement in the Snellen visual acuity score was observed in 190 patients(96.0%), whereas improvements of the VF-14 score and cataract symptom sure were observed in 151 patients(76.3%) and 179 patients(90.4%), respectively. All three outcome measures demonstrated improvement in 137 patients(09.2%). The improvement of the three functional outcomes at 3-4 months after receiving surgery was associated with a lower level of visual function and a higher level of cataract symptom score at perioperative time, as well as a greater experience level of the surgeon. Conclusions : In this study, the estimates of the proportion of patients benefiting from cataract surgery varied with the outcome measure of benefit. Preoperative VF-14 score, a measure of functional impairment related to vision, and symptom score may be better measures of the benefit derived from cataract surgery than the change in visual acuity.

• Journal of the Korean Society of Marine Environment & Safety
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• v.15 no.2
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• pp.157-164
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• 2009

The metals such as Al, Ag, Au, Cu, Cd, Co, Fe, Ni, Pb, Zn, etc are present at very low concentration in seawater and are classified as so-called trace metals. Whiles some of them are used in metabolism of living organism as a micronutrient, they may show toxic effects on organisms in case of a limited threshold concentration of them Plenty of studies on trace metals have been performed bemuse trace metals have a persistent influence and an adverse effect on marine environment and ecosystem. For long years, when the concentration of trace metals in natural waters such as seawater and fresh water are measured with high precision and accuracy, some systematic errors have been recognized to be present in measurements. Since 1975 in US and European countries, the measured concentration of trace metals in seawater have been found to be lower by factors of 10-1,000 than the previous data of trace metals measurements and the vertical profiles of the measurements have been shown to reflect well-known biological, physical and geochemical processes. These results are attributed to great advances in analytical instrumentation and methodology for trace metals measurements. Precautions against the contamination of samples are required to be taken in the process of sampling, storage, and analysis of samples. However, in Korea, erroneous data of trace metals with regard to ocean and marine environment related survey and investigations are reported The lock of exact understanding and information regarding precautions in sampling, storage and analysis of samples lead to the deterioration of data quality, especially in the analysis of trace metals. The major procedures to obtain the accurate data of trace metals in natural waters are introduced for applying to the study and assessment of marine environments.

• Journal of dental hygiene science
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• v.17 no.4
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• pp.275-282
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• 2017

The purpose of this study was to improve work performance conducted at an actual clinical site by determining the relationship among critical thinking disposition, problem solving ability, and work performance. In this study, 335 dental hygienists completed self-administered survey. Final analysis was conducted with a total of 331 responses, excluding 4 questionnaire with unreliable responses and non-responses. The results indicated that as the age, educational background, and work experience of the subjects increased, their critical thinking disposition and problem solving ability scores increased and were statistically significant. For work performance, average total score was high for age, educational background and work experience, but only age and work experience were statistically significant. Critical thinking disposition, problem solving ability and work performance of the subject were relevant, and all of them were significant. Work performance was also influenced indirectly by mediating problem solving ability in critical thinking disposition. In other words, both direct and indirect effects were significant, and the existence of partial moderating effect was verified. Thus, in order to improve work performance of dental hygienists, a multilevel educational process that can simultaneously improve critical thinking disposition and problem solving ability of dental hygienists needs to be developed. Therefore, it is expected that the new dental hygiene company will be able to perform without any sense of disparity in the clinical field; this will solve the gap between dental hygiene education and practical skills.

• Journal of Engineering Education Research
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• v.10 no.3
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• pp.79-92
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• 2007

To enhance the excellence, effectiveness and economical efficiency in the learning process, we implement a hybrid educational system for engineering experiments where web-based virtual laboratory systems and distance education systems are properly integrated. In the first stage, we designed client/server distributed environment and developed web-based virtual laboratory systems for digital systems and electrical/electronic circuit experiments. The proposed virtual laboratory systems are composed of four important sessions and their management system: concept learning session, virtual experiment session, assessment session. With the aid of the management system every session is organically tied up together to achieve maximum learning efficiency. In the second stage, we have implemented efficient and cost-effective distant laboratory systems for practicing electric/electronic circuits, which can be used to eliminate the lack of reality occurred during virtual laboratory session. The use of simple and user-friendly design allows a large number of people to access our distant laboratory systems easily. Thus, self-guided advanced training is available even if a lot of expensive equipment will not be provided in the on-campus laboratories. The proposed virtual/distant laboratory systems can be used in stand-alone fashion, but to enhance learning efficiency we integrated them and developed a hybrid educational system for engineering experiments. Our hybrid education system provides the learners with interactive learning environment and a new approach for the delivery of engineering experiments.