Imn, Se Yeon;Yu, Ji A;Lee, Jae Sung;Jeong, Hee Won
Journal of Conservation Science
/
v.36
no.3
/
pp.213-224
/
2020
This research conducted a component analysis and conservation treatment of "Sangryangmun," a material which had been written in 1965 and was discovered during the repair project for "Jinnamgwan" in Yeosu. The "Sangryangmun" has been stored in a cylindrical metal storage; however, defects, discolorations, hardening, and damages caused by pollutants were found. Based on the XRF analysis, rust in the cylindrical metal storage, which was made of Cu, was stuck on the surface of the "Sangryangmun". Using FT-IR and Pyrolysis-GC/MS analyses, carbonyl and compounds of fatty acids were detected; the organic material on the surface of the "Sangryangmun" was identified to have belonged to oil-based components. Therefore, it was presumed that the bast fibers of a mulberry was used in the paper. To determine the conservation materials, component analysis, condition survey, and preliminary test on adhesives were conducted. Moreover, the missing parts and partial linings were filled using mulberry-fiber paper, methyl cellulose, etc.
Cha, Young-Nam;Thompson, David C.;Heine, Henry S.;Chung, Jin-Ho
The Korean Journal of Pharmacology
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v.21
no.1
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pp.1-11
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1985
The effects of feeding indole, indole-3-carbinol and benzofuran (all at 5 mmole/kg body wt./day) on various hepatic microsomal and cytosolic enzyme activities involved in xenobiotic metabolism have been compared. Benzofuran was found to elevate the activities of many enzymes both in microsomes (e.g., aniline hydroxylase, 7-ethoxycoumarin O-deethylase, p-nitrophenol UDPGA-transferase and epoxide hydrolase) and in cytosol (e.g., glutathione reductase, glutathione S-transferase, NADH:quinone reductase and UDP-glucose dehydrogenase). The structures of indole and indole-3-carbinol are similar to benzofuran except for the substitution of nitrogen with oxygen atom within the furan ring. Results showed that the activities of UDPGA-transferase and NADH:quinone reductase were not elevated by these indole compounds. While the chemical structure of these two indole compounds are identical except for the presence of the carbinol (methanol) group in indole-3-carbinol, there were marked differences in the types and activities of microsomal enzymes that were enhanced. Among the microsomal enzyme activities determined, indole elevated only the NADPH:cytochrome c reductase, while indole-3-carbinol increased several mixed function oxidase and particularly the epoxide hydrolase activities. Based on the chemical structures of tested compounds and the observed results, possible explanations for the mechanisms involved in elevating epoxide hydrolase activity by benzofuran and indole-3-carbinol are discussed.
Journal of the Korean Applied Science and Technology
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v.35
no.3
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pp.816-825
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2018
Recently, it was emerged to need the necessity of LPG residues management due to the finding some substances such as rust. This study is performed to investigate the characteristics of LPG residues in the production and distribution stage of LPG. For the qualitative analysis of LPG residues, it was operated to be set up the analysis conditions(the flow rate, etc) of GC-MS and was performed to analyze the component of LPG residues. From the analysis result using GC-MS, it was shown that the component of LPG residues was turned out the plasticizer to be used in the rubber manufacturing process. The inorganic components of LPG residues were analyzed using ICP-OES. At the results of inorganic analysis, it was shown that the Si element was detected, which was presumably derived from defoamers used mainly in the LPG production. Also, the P and Zn element, which are estimated to be components of grease additives used for filling facilities, were also partially detected. No trace of rusting was detected in the LPG residues in the production and distribution stages analyzed in this study. But, as plasticizers and grease additives can affect to the LPG fuel system in vehicles, it will be necessary to use the proper quality of rubber and to expand the use of low boiling grease additives.
Journal of the Korean Recycled Construction Resources Institute
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v.1
no.3
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pp.246-254
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2013
This study is purposed to verify the safety of the floor of the children's playground using polyolefin foam waste and rubber paving. The critical fall height, walking suitability, long term physical fatigue expectation and slipperiness were tested. Polyolefin foam wastes in thickness of 30mm, 50mm and 70mm were prepared with paving the rubber paving materials in 12mm and 15mm thickness respectively. The test on the critical fall height was carried out according to KS G 5758:2009. The floor hardness test equipment (O-Y HMA) was used for the test on hardness of the floor from a viewpoint of walking suitability and fatigue. A portable slipperiness tester (ONO PPSM) was used for slipperiness test. It was revealed from the test that the floor made of the polyolefin foam waste and rubber paving were considerably safe from a viewpoint of impact absorption. With regards to the hardness of the floor, it was shown the excellent performance in the aspects of walking and fatigue for male. But it was not suitable with walking on the shoes(middle heels) for female. And they will be very fatigue if they were in a long time walking or standing. As far as the slipperiness is concerned, it was shown that it was comparatively safe for the ordinary motions even though the surface was wet.
A comparison was made for growth and yield of two rowed and six rowed barley varieties to differentiate their fundamental characteris in relation with brewing quality. Heading and maturing time of two rowed barley varieties were similar to those of six rowed covered but were earlier than those of six rowed naked ones. Most of two rowed varieties were spring barley and low temperature susceptible, but they were relatively photoinsensitive compared to six rowed varieties. Eventhough malting barley has heavier stands and grains, they were quite similar in yielding ability with six rowed cultivars with decreased number of grains per spike. In quality characters, malting barley has better germination energy and rate, lower protein content than the common six rowed barley and decisively better for brewing that six rowed barley with higher malt yield, extract yield and quality and enzyme activity. In comparison of malting barley varieties produced in Korea and Japan indicated that those varieties produced in Japan were better in germination characters, extract yield and quality, Kolback index and enzyme activity than those produced in Korea.
Journal of the Korea Organic Resources Recycling Association
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v.9
no.3
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pp.127-135
/
2001
Achieved to grasp possibility to use compost that make food waste and sawdust (bulking agent) by raw material in this research droopingly to bulking agent calamity. To be kept by aerobic experiment method to 4 composting device that air is supplied Food Waste + Sawdust, Livestock Feces + Sawdust, Food Waste + Compost, Livestock Feces + Compost free medical care and investigated composting sledding and temperature, pH, the moisture rate, heavy metals item etc. Judged that food waste of the moisture rate mix experiment result food waste input (food waste and sawdust composting done material mean) compost happened after resources anger as bulking agent food waste and Livestock Feces quantity is 72~77%, because axis dries to promote optimum composting progress appearing by 64~65%, thing which use need and was difficult to set salt 1% that is by-product compost standard when use compost as bulking agent of food waste but by dilution effect of Livestock Feces quantity using compost being expose that preservation is available by standard low because salt content density of done compost becomes found possibility that can solve salt content problem.
Endotracheal intubation is common technique for general anesthesia or patency of airway. However, laryngeal intubation granuloma is the most common sequale of endotracheal intubation in otolaryngologic field. From 1982 to 1992, the authors had experienced 16 cases intubation granuloma. The following results were as follows; 1. Age distribution was mostly in the 20 to 49 years old group (84 %).The sex ratio of male to female was 1:7, predominantly in female. 2. Main sx. were hoarse in 12(75%), F.B. sensation in 3(18%), dyspnea in 1 (6%). 3. The side of lesion was bilateral in 6 cases (37%) and unilateral in 10 cases (63%). Unilateral had the 3 cases (30%) in left and the 7 cases (70%) in right. The location of mass was vocal process of arytenoid cartilage in 8 cases(50%), post 1/3 of vocal cord in 6 cases (37 %) and middle 1/3 of vocal cord in 2 cases (12 %). 4. The duration between extubation and onset of symptom in less than a month was most frequent in 7 cases (44 %) out of 16 cases. 5. The most common operation was cesarean section in 6 cases (37 %). 6. Mean duration of intubation time was 2 hour 5 minutes. 7. Composition of used intubation tube was red rubber tube. 8. One case (6 %) was recurred.
Background : The development of bronchoscopic equipment along with the precision of radiographic techniques had reduced the mortality rate of patients with tracheobronchial foreign bodies but has been no change in the incidence of tracheobronchial foreign bodies since their introduction. The aim of this study was to assess the clinical characteristics of a tracheobronchial foreign body aspiration and to evaluate the efficacy of the treatment modality in children and adults. Methods : This is a retrospective review of 64 patients who underwent bronchoscopic procedures for the treatment of aspirated foreign bodies from December 1994 through March 2004 at the Chonnam national university hospital. Results : There were 47 males and 17 females, aged from 1 month to 78 years. Most of the patients had no underlying illness except for one patient with a cerebrovascular accident that contributed to the foreign body aspiration. The most common symptom was cough, which was noted in 54 patients (84.3%). The other presenting symptoms were dyspnea (48.8%), fever (20.3%), sputum (14%), vomiting (7.8%), and chest pain (4.6%). Those whose tracheobronchial foreign bodies were diagnosed more than 2 days after the aspiration (21 patients) were more likely to have pneumonia than those whose foreign bodies were diagnosed within 2 days (p = 0.009). Foreign bodies were visualized in the plain chest radiographs in 12 cases (18.8%), while others showed air trapping (21, 32.8%), pneumonia (15, 23.4%), atelectasis (7, 10.9%), and normal findings (9, 14.1%). The foreign bodies were more frequently found in the right bronchial tree (36) compared with the left bronchial tree (22, p = 0.04). In order to remove the foreign bodies, twenty (31.2%) cases were removed using flexible bronchoscopy, while 42 (65.6%) and 2 (3.2%) cases required rigid bronchoscopy and surgery, respectively. Conclusions : Tracheobronchial Foreign body aspiration had a bimodal age distribution in the infancy and old age around 60 years. They were found more frequently in the right bronchial tree. In addition, patients whose foreign bodies were diagnosed more than 2 days after the aspiration were more likely have a infection. Rigid bronchoscopy is the procedure of choice for uncooperative children and for those with foreign bodies lodged deeply in the small bronchial tree.
Bronchoplasty has gained popularity in the selected cAses of bronchogenic carcinoma with poor pulmonary reserve, and also has been a choice of treatment for obstructive bronchial diseases since it can cure patient completely with preservation of pulmonary function. From Apr. 1990 to hpr. 19'96 two methods of bronchoplastic procedures, d patch dilating bronchoplasty and a segmental bronchial resection with end-to-end anastomosis, were performed with or without concominant pulmonary resection in 13 patients with benign bronchial stenosis and obstruction. The patients were 8 men and 5 women with average age of 43years(range 19 to 64 years). Patch dilating bronchoplasty using autogenous perichondrium and pericardium was applied in 5 cases of bronchial stenosis. Antecedan diseases of bronchial stenosls were 3 inflammatory bronchiectas is, and 2 endobronchial tuberculose is mixed with bronchi,ectas is. Segmental bronchial resection with end-to-end anastomosis was applied in 8 cases of bronchial obstruction, which were caused by endobronchial tuberculosis in 6 and cicatrization after trauma and foreign body in one case each. Bronchial obstructive symptoms and signs including recurrent pulmonary infection, dyspnea and wheezing were disappeared postoperatively with satisfactory recovery of physical activity. There was no operative mortality. Morbidity occured in 2 patients which were one case of unstability of applied bronchial patch resulting atelectasis and one case of bronchial restenosis at the anastomotic site. Based upon our experiences, we conclude that bronchoplastic procedure can be done with great success in patients with lung atelectasis caused by bronchial obstruction or stenosis and it restores physiologic function of collapsed lung with acc ptable complication.
This essay is an analysis on Daoist deconstructivism and Confucian constructivism about music and language. (1) Daoist criticizes that the Confucian constructive music and language fail to describe original sounds and original facts of doing nothing (wuwei, 無爲). According to Daoist, music and language can be an instrument to describe true facts in the world. So Daoists try to attain a state of 'seeing things as things themselves (yiwuguanwu, 以物觀物)' by 'forgetting oneself (wangwo, 忘我).' (2) However Confucian music and language is a part of one's life. Confucians try to get truth, goodness, and beauty by exercising one's music and language. Confucian music is associated with political and moral development in society. The Confucian genres of poetry (shi, 詩), appealing letter (shu, 疏), declaring writing (biao, 表), record (ji, 記), and written words (ci, 詞) are processes of developing one's life. Further, Confucian rhetoric of 'Xing (興)' in writing poem shows that one's language can be developed in contexts of one's life. (3) Although music and language is associated with human subjective narratives as if Confucians say, diverse narratives of different subjectivity cannot appear in one's lives if all kinds of narrative is absorbed in Confucian absolute ideological slogan to devide things into good and bad. Accordingly, the Confucian view of music and language can develop diverse narratives when it does not show an inclination toward moral dichotomy preunderstood by Confucian ideology.
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