• Journal of the Korean Electrochemical Society
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• v.3 no.3
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• pp.162-168
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• 2000

The influence of phenolsulfunate concentrations on electroplating characteristics and electrochemical behaviors was investigated with a viewpoint of electrolyte aging using the circulation cell and potentiostate And comparison of tinplate coating appearance such as glossiness and Image clarify has been also studied with varying of phenolsulfonic acid (PSA) solutions. As the aging of electrolyte proceeded, the limiting current density was moved to a lower current density region by the limitation of mass transfer, and higher phenolsulfunate concentrations resulted in the narrower optimum current density range and deterioration of coating surface of tinplates. The difference of the limiting current density was not remarkable with increasing electrolyte temperature. Thus the electrolyte aging was attributed to the limitation of thermally-activated process such as mass transfer of reducible ions. It has also been considered that the accumulation of phenolsulfonate suppressed normal electrotinning reaction by reducing the mobility of stannous ions, taking into account of the smaller effect of electrolyte aging. Experiments showed similar polarization behavior between the electrolyte of high phenolsufonate solution and the aged one, which comes to conclude that the accumulation of phenolsulfonate is one of the major causes of electrolyte aging.

• Journal of Korean Medicine Rehabilitation
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• v.21 no.4
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• pp.13-22
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• 2011

Objectives : This Study was performed to evaluate the effects of Scutellariae Radix(SR) water-extract on the tissue and neuronal apoptosis of the spinal cord injury(SCI). Methods: SCI was induced by mechanical contusion following laminectomy of 10th thoracic vertebra in Sprague-Dawley rats. SR was orally given once a day for 7 days after SCI. Neuronal apoptosis was examined with terminal deoxynucleotidyl transferase-mediated dUTPnick-end labeling(TUNEL) assay. Bax (Bcl-2-asociated X protein), Bcl-2(B-cell blastoma 2), c-Fos(FBJ osteosarcoma oncogene) expressions were examined using immuno-histochemistry. Individual TUNEL and immuno-labeled cells expressing Bax, Bcl-2 and c-Fos were counted on the same level in peri-damaged region and in ventral horn. Results: 1. SR significantly reduced number of TUNEL labeled apoptotic cells induced by the spinal cord contusion injury. 2. SR significantly reduced Bax positive cells expression on the motor neuron in the ventral horn induced by the spinal cord contusion injury. 3. SR strengthened Bcl-2 expression on the motor neuron in the ventral horn induced by the spinal cord contusion injury. 4. SR reduced c-Fos expression on the motor neuron in the ventral horn induced by the spinal cord contusion injury. Conclusions : These results suggest that SR plays an inhibitory role against neuronal apoptosis and has significant effects for locomotor disfunction induced by SCI.

• Journal of Navigation and Port Research
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• v.34 no.3
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• pp.175-180
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• 2010

In the almost application parts, GNSS being used the primary navigation system on world-widely. However, some of nations attempt or deliberate to enhance current Loran system, as a backup to satellite navigation system because of the vulnerability to the disturbance signal. Loran interests in supplemental navigation system by the development and enhancement, which is called eLoran, and that consists of advancement of receiver and transmitter and of differential Loran in order to increase the accuracy of current Loran-C. A significant factor limiting the ranging accuracy of the eLoran signal is the ASF in the TOAs observed by the receiver. The ASF is mostly due to the fact that the ground-wave signal is likely to propagate over paths of varying conductivity and topography. This paper presents comparison results between the predicted ASF and the measured ASF in a southern east region of Korea. For predicting ASF, the Monteath model is used. Actual ASF is measured from the legacy Loran signal transmitted Pohang station in the GRI 9930 chain. The test results showed the repeatability of the measured ASF and the consistent characteristics between the predicted and the measured ASF values.

• Korea and Global Affairs
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• v.2 no.1
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• pp.45-68
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• 2018

This study is focused on viewing the March 1st Movement, a national movement uprisen nationwide during the Japanese occupation period, and women's independence movement from an angle of worldpeace. The March 1st Movement was held nationwide when our national sovereignty was lost, and it can be defined as a form of peace movement in view of world history. Particularly, the March 1st Movement was the people's independence movement without distinction of class, region and sex. The direction of national independence and freedom implied in the independence movement during that time period needs to be interpreted newly in view of world peace. Firstly, the urgent task to complete during that period was to accomplish independence in view of the times and the national people, and it was a form of peace movement. Secondly, the women who participated in the March 1st Movement changed into spontaneous participants or activists for the national independence movement and, thereafter, continued a history of women's independence movement of Korea. Lastly, the March 1st Movement became widespread domestically and to foreign countries such as China, Japan, Russia, Europe and America, so that its spirit of freedom and peace appealed to the weak countries in Asia. Furthermore, it worked as a spiritual support for the independence movement of Korea. As mentioned above, the March 1st Movement needs to be newly understood in view of world peace, and, out of that movement, Korean women's independence movement deserves a highlight as a peace movement stream in the world history of women.

• Journal of dental hygiene science
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• v.10 no.4
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• pp.211-218
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• 2010

The purpose of this study was to examine preference for dental hygienists. The subjects in this study were 228 employees in general hospitals located in the region of Busan, on whom a survey was conducted in May and June, 2009. The findings of the study were as follows: As for top priority of dental hygienists' duties, providing assistance for dentist treatment ranked first(28.2%), followed by scaling(23.2%) and preventive duties(20.6%). Concerning a favorable image of a dental hygienist, a cheerful look was most preferred(61.4%), followed by a clean-cut look (32.9%), a refined look (3.5%) and an intellectual look (2.2%). Among the subjects, married respondents exhibited a greater liking for a cheerful look, and the gap between them and the unmarried subjects was statistically significant($x^2=8.11$, p<.05). In terms of uniform preference, a two-piece suit with pants was most favored(76.3%). Female respondents showed a greater preference for a two-piece suit with pants, and the gap between them and the male respondents was statistically significant($x^2=41.09$, p<.001). As for major qualifications, professional knowledge was most valued (49.1%), followed by integrity/responsibility(23.2%), friendliness(22.4%), and a great personality/being well-cultivated(5.3%). Employees who were in their 40s and up placed more importance on integrity and responsibility, and the gap between them and the others was statistically significant($x^2=20.62$, p<.01).

• The Journal of Fisheries Business Administration
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• v.30 no.1
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• pp.119-147
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• 1999

This article is subject to the rationalization of the cold-storage warehouse management, which gives the stabilization of the fishery production and the food life with respect to fisheries industry. In this point of view, the article examines to the structure of the cold-storage warehouse industry from the perspective of the industrial organization. To put it concretely, the article intends to apprehend the state of the structure of the industry and analyze the cold-storage warehouse's management activities. In addition, I try to find know the factors that affect the management performance(profitablity) of the industry through the cross-sectional correlation analysis. Finally, the conclusion of the article can be described as follows : \circled1 On the basis of the cold-storage capacity, there is the tendency that the industry concentrate in the area of Pusan(41.7%). \circled2 By formulating step of development of the industry, it is divided by six types. Type I is designed as raw material-storage warehouse for self-processing. Type IIis the raw material-storage warehouse for self-processing and storage-sale warehouse. Type III is the raw material-storage warehouse for self.distribution. Type IV is the raw material-storage warehouse for self-distribution and storage-sale warehouse. Type V is the net storage-sale warehouse. Type Ⅵ is the physical distribution center warehouse. Although each region has one representative type,6 types exist in all regions. \circled3 The competition structure of the industry has double structure on the basis of cold-storage capacity. \circled4 With respect to the management activity of the cold-storage warehouse, there is no change or even a decrease not increasing or not any change in sales from 1996 to 1997 \circled5 In order to try to induce the amount of shipper's materials, services that a cold-storage warehouse supply with its users include a custody-fee discount, a distribution-process service, a finance service, quality management service and so on. One of the best attractive services is the custody-fee service. \circled6 In the structure and management activity of the industry, the factors that affect management performance (profitablity) are a custody-fee discount, sales ability and capital structure of individual firm. Positive factor is sales ability and capital structure of individual firm. But, The custody-fee discount turns out to be a negative capital structure of individual film.

• Korean Journal of Environment and Ecology
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• v.25 no.4
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• pp.447-469
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• 2011

The flora of Bongamsa (Temple) area, Mungyeong were listed 552 taxa; 99 families, 303 genera, 468 species, 1 subspecies, 70 varieties and 13 forms. Based on the rare plants (IUCN), total 12 taxa; Crypsinus hastatus (Polypodiaceae), Eranthis stellata (Ranunculaceae), Cnidium tachiroei (Umbelliferae), Monotropa hypopithys (Pyrolaceae), Rhododendron micranthum (Ericaceae), Salvia chanroenica (Labiatae), Gastrodia elata (Orchidaceae), etc. Based on the endemic plants, total 11 taxa; Asarum chungbuensis, Aconitum pseudolaeve, Corydalis maculata, Lonicera subsessilis, Aster koraiensis, Saussurea seoulensis, etc. Based on the specific plants by floral region were total 48 taxa (8.7% of all 552 taxa of vascular plants); 2 taxa in class V, 5 taxa (Cimicifuga heracleifolia, Wistaria floribunda, Elsholtzia angustifolia, etc.) in class IV, 10 taxa (Betula davurica, Spiraea chinensis, Acer barbinerve, Vaccinium koreanum, Syringa reticulata var. mandshurica, etc.) in class III, 7 taxa (Potentilla dickinsii, Viola orientalis, Ostericum melanotilingia, Melica nutans, Veratrum parulum, etc.) in class II, 24 taxa (Camptosorus sibiricus, Cephalotaxus koreana, Betula schmidtii, Ilex macropoda, Tilia amurensis, Triadenum japonica, Lobelia sessilifolia, etc.) in class I. Based on the naturalized plants, total 21 taxa (Silene armeria, Oenothera lamarckiana, Symphytum officinale, Erechtites hieracifolia, etc.) and naturalization rate was 3.8% of all 552 taxa of vascular plants. The flora of importance in the Bongamsa, rare plants were Crypsinus hastatus, Eranthis stellata, Gastrodia elata, Monotropa uniflora, Monotropa hypopithys, Rhododendron micranthum and Cnidium tachiroei, Iris ensata var. spontanea in intermediate marsh and alien species classify into planted species of Bongamsa, area for investigation of afforestation and artificial forests, introduced of naturalized plants.

• Journal of the Korean association of regional geographers
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• v.7 no.2
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• pp.55-70
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• 2001

This research is to analyze spatial characteristics of labor process at the labor properties in footwear industries in Busan Metropolitan area. The production process of a footwear industry is mainly composed of the development and production of goods and design, the development of component parts and materials and the assembly of parts to be end products, and the marketing. Each process inclines to concentrate in a region having the needed labor; therefore, a manufacturing factory for each process attempts to be located at the different places. The critical core functions such as the development of products and design, the development and production of critical component parts and material, and the marketing are carried out by manufacturing companies with the trademark of the products. These functions intend to be located in the Sasang industrial complex in Busan city and Seoul metropolitan area. The function such as the development and production of major component parts and materials needs high skilled technicians and well trained laborer, and inclines to be located in traditional footwear industrial regions. The assembling process is carried out by skilled females and/or unskilled labors, and attempt to be accompanied with critical core functions or outsourcing. This process has been spatially concentrated in the traditional footwear industrial areas; but recently it extends to the developing countries. The development and production of materials and the production of component parts mainly depending on male labors incline to be located in the developed countries for critical core component parts and materials, and to be located in Busan for major components parts and materials. The production of standardized components parts and materials are carried out in the less developed countries.

• (The)Study of the Eastern Classic
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• no.62
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• pp.209-229
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• 2016

This thesis is to discover the meanings of boundary through East Asian thought so as to make rooms for discoursing on it. First of all people have their own boundaries of 'Me', and they make others as persons or objects in their thoughts. Originally boundary has represented nation's frontier, and it indicated the worlds of space in Buddhism of East Asian culture. It is represented by loka or visaya in Sanskrit and region, dominion, boundary, border in English, which means the worlds that people would fancy in their minds over domains of politics, societies, culture, arts ect, not to be simple. Accordingly we must not approach to its meaning simply like 'beyond border'. There are many boundaries, which are similar to the sublime, for us to arrive in our lives. Spiritually there are also many boundaries(regions) that are made by our desires, wills and concepts. In a while there are limit or problem in our recognizing things, for example, of human's five senses that would be, to an extent connected with Buddhistic understanding of boundaries. Boundaries resulted from partiality in understanding of objects must be got rid of eventually. In regard of these matters, this thesis discusses the meanings of boundary, those that are inevitably made by human's consciousness, and negative ones to be got over from recognition systems of person or any groups.

• Korean Journal of Comparative Education
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• v.27 no.3
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• pp.213-238
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• 2017

This paper aims to point out that the contemporary textbook is a common cognitive construct, and that the realistic drawings in the textbooks have played an important role in shaping the world recognition. The main subjects of this study are the racial-ethnic illustrations of elementary school geography textbooks, published by the Japanese Ministry of Education, the Japanese Government-General of Taiwan and Korea, the educational association of Manchu. By comparing the same factors in various textbooks, it examines how the temporal and spatial recognition of the world is adjusted by visual representation. The main findings of this study are three fold. First, the world was introduced to the extent of the sum that the census and the classifications of racial and ethnic groups were adopted. And the world appeared later in the year supported by the racial and ethnic minorities. Second, the expressive style of racial and ethnic groups changed from an emphasis on a heterogeneous part as an object of scientific observation in the early stage to a later one with a life culture similar to the reader. Third, racial ethnic illustrations have been used differently depending on the publishing region in the Empire, giving readers in different regions with different images of the same category. In many cases, it was possible to know the politics of representation and the use of certain racial ethnic illustrations. The textbooks of the first half of the 20th century gave great recognition to the people who could not meet with the readers by using the illustrations. A child in the mainland is aware of his position in a "viewing position" while viewing various empire people through the textbook. On the other hand, in the textbooks of the colonial children, they stood in the position of 'being seen', and showed a change in internalizing the position of the mainland along with the expansion of the empire.