Journal of the Korea Institute of Information and Communication Engineering
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v.8
no.6
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pp.1096-1101
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2004
By a tremendous expansion of Internet users, there's a number effects that cause the phenomenon of bottlenecked switching packets from routers. In order to tear down this problem, distributed system is applicable to almost every highly performed router systems. The main processor of distributed system, which manages routing table, commands IPC to delivering the forwarding table line processor that eases functionalities of the router. This makes the system having wired-speed forwarding function based on the hardware so that the performance of the network can be enhanced. Therefore, IPC, which assign a part of router, is necessary to exchange data smoothly and the constitution of IPC using Ethernet is widely adapted as a method for saving investment. In this paper, R-IPC mechanism improve the packet-processing rate over 10% through changed from defect of conventional Ethernet IPC, that is, 2 layer processing to TCP/IP or UDP/ IP into 1 layer processing for efficient packet forwarding.
Phase evolution during the hydrogen-assisted disproportionation of $Nd_{12.5}Fe_{80.6}B_{6.4}Ga_{0.3}Nb_{0.2}$ alloy was investigated mainly by using a magnetic balance-type thermomagnetic analyser (TMA). In order to avoid any undesirable phase change in the course of heating for TMA, a swift TMA technique with very high heating rate (around 2 min to reach $800^{\circ}C$ from room temperature) was adopted. The hydrided $Nd_{12.5}Fe_{80.6}B_{6.4}Ga_{0.3}Nb_{0.2}$ alloy started to be disproportionated in hydrogen from around $600^{\circ}C$, and the alloy after the early disproportionation (from 600 to $660^{\circ}C$) has been partially disproportionated. The partially disproportionated alloy consisted of a mixture of $NdH_x$, $Fe_3B$, ${\alpha}$-Fe, and the remaining undisproportionated $Nd_2Fe_{14}BH_x$-phase. During the subsequent heating to $800^{\circ}C$ in hydrogen, two additional phases of $Fe_{23}B_6$ and $Fe_2B$ were formed, and the material consisted of a mixture of $NdH_x$, $Fe_{23}B_6$, $Fe_3B$, $Fe_2B$, and ${\alpha}$-Fe phases. During the subsequent isothermal holding at $800^{\circ}C$ for 1 hour, the phase constitution was further changed, and one additional unknown magnetic phase was formed. Eventually, the fully disproportionated $Nd_{12.5}Fe_{80.6}B_{6.4}Ga_{0.3}Nb_{0.2}$ alloy consisted of $NdH_x$, $Fe_{23}B_6$, $Fe_3B$, $Fe_2B$, ${\alpha}$-Fe, and one additional unknown magnetic phase.
Proceedings of the Plant Resources Society of Korea Conference
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2003.04a
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pp.138-139
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2003
To investigated the effect of liquid culture conditions and nutrient sources on the formation with bioactive substance of Paeilomyces japonica and Cordyceps militaris cultivated in the country, the result are as follow; The growth temperature of two mycelia is 25$^{\circ}C$ and the proper temperature for cordycepin growth is around 20$^{\circ}C$. The formation amount of bioactive substance by nutrient sources reached its peak with using 2% glucose and 1% galactose in case of carbon sources and 0.4% inorganic compound in case of nitrogen sources. Also, the ratio of C/N was optimal with 3% glucose 1% peptone. For a natural medium, most grains were sufficient but the soybean oil was superb. The formation amount of protein-binding polysaccharide that are used for anticancer substance was in proportion to the growth rate of mycelium, had lots of aeration and showed a trend of increasing when the acidity lower. and the content of structural protein showed a trend of increasing when the acidity lower. However, the content of the structural hexosamin did not get a great the effect of culture conditions and nutrient sources. The constitution of monosaccharide that organizes a protein-binding polysaccharide greatly changed in proportion to carbon sources. When Paecilomyces japonica cultured in a silkworm larvae for 30 days, the content of cordycepin was 204.5 mg/100mL as a dry weight in the fruiting body, 41.8 mg/100mL in mycelium and larva, and the content for each bottle was average 29.5 mg/100mL. In case of Cordyceps militaris for 45days, the fruiting body was 563.5 mg/100mL, the larva and the mycelium was 86.1 mg/100mL, and the content for each bottle was average 65.0 mg/100mL.
Journal of the Korea Academia-Industrial cooperation Society
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v.17
no.1
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pp.199-208
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2016
This study examined the trends and practices of disaster welfare in Japan, particularly with the point of view of the community response. This study summarized the experiences and implications of Japan's disaster welfare. First, it is necessary to establish a foundation and linkage of support networks. In case of a disaster, the linkages among administrations, social work institutions, and community residents are required to understand the accurate situation and needs, and to develop resources. In particular, the constitution of DWAT was submitted for initial intervention. Second, the establishment of a manpower dispatching system is needed for emergency situations. In addition, the methods to cover the entire areas by system are needed. Third, the intervention of psychological treatment was shown have a low agreement rate among specialists. Fourth, it is necessary to have guidelines so that privacy protection is compatible with disaster support in a disaster welfare practice process.
Objectives: The purpose of this study were to researched a Korean medicine doctors' recognition about coldness of hands and feet, and developing of korean medicine clinical practice guidelines (CPG) for coldness of hands and feet. Methods: We conducted a questionnaire survey targeting 399 Korean medicine doctors belonging to the Association of Korean Medicine by e-mail and analyzed the answers. Results: 1. 86.86% of the respondents agreed about the necessity of CPG for coldness of hands and feet. 2. 84.2% of respondents wanted coding of Korean Standard Classification of Diseases (KCD) on coldness of hands and feet. 3. To diagnosis a coldness of hands and feet, the respondents used a Subjective symptoms (98.5%), Infrared thermographic imaging device (DITI) (26.32%) Heart rate variablity test (HRV) (17.04%), Thermometer (9.77%), Cold stress test (2.76%) 4. Causing of coldness of hands and feet, the respondents considered a constitution or heredity (84.71%), stress (73.66%), lack of exercise (64.91%), irregular eating habits (51.63%), Cold meals (32.83%), depression (31.33%), etc. 5. Treating coldness of hands and feet, the respondents used a herbal medicine (66.85%), acupuncture (70.7%) Pharmacopuncture (23.85%) and moxibustion (60.08%) for $10.91{\pm}8.03week$. Conclusions: We researched a Korean Medicine doctors' recognition of CPG, clinical diagnosis, treatment on a coldness of hands and feet, and policy they required.
Background: The photolithography process in the semiconductor industry uses various chemicals with little information on their constitution. This study aimed to identify the chemical constituents of photoresist (PR) products and their by-products and to compare these constituents with material safety data sheets (MSDSs) and analytical results. Methods: A total of 51 PRs with 48 MSDSs were collected. Analysis consisted of two parts: First, the constituents of the chemical products were identified and analyzed using MSDS data; second, for verification of the by-products of PR, volatile organic compounds were analyzed. The chemical constituents were categorized according to hazards. Results: Forty-five of 48 products contained trade secrets in amounts ranging from 1 to 65%. A total of 238 ingredients with multiple counting (35 ingredients without multiple counting) were identified in the MSDS data, and 48.7% of ingredients were labeled as trade secrets under the Korea Occupational Safety and Health Act. The concordance rate between the MSDS data and the analytical result was 41.7%. The by-product analysis identified 129 chemicals classified according to Chemical Abstracts Service No., with 17 chemicals that are carcinogenic, mutagenic, and reprotoxic substances. Formaldehyde was found to be released from 12 of 21 products that use novolak resin. Conclusion: We confirmed that several PRs contain carcinogens, and some were not specified in the toxicological information in the MSDS. Hazardous chemicals, including benzene and formaldehyde, are released from PRs products as by-products. Therefore, it is necessary to establish a systematic management system for chemical compounds and the working environment.
International Journal of Advanced Culture Technology
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v.10
no.2
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pp.79-85
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2022
Article 10 of the Constitution All citizens have dignity and values as humans and have the right to pursue happiness. There is a need for support measures such as a means to realize the respect of dignity and values as humans, and how to efficiently maintain policies on welfare for the elderly classified as the socially disadvantaged. It was considered necessary to develop an elderly-friendly city for economic, physical, and social life. Dasan Jeong Yak-yong's respect for adults was to practice the ideology of Confucianism, so this was the most important thing in the past Joseon Dynasty. In particular, it was considered important to think of adults first in practicing filial piety.This study focuses on the long-term care insurance system for the elderly, one of the welfare policy measures for the elderly. The significance of implementing the long-term care insurance system for the elderly is to benefit not only the elderly, but also all generations, including the middle-aged and children who were in charge of long-term care. To this end, the government should properly manage the factors of the social insurance financial crisis caused by the low birth rate and aging population.In addition, concerns about health insurance are high, so it is necessary to secure an appropriate level of government budget for health insurance financial management and minimize unnecessary non-benefit. In addition, it is necessary to induce appropriate medical use through connection with construction medical insurance.
Objectives: This study was aimed to clarity the relationship between the pattern of dampness-phlegm and metabolic syndrome in acute stroke patients. Methods: Three hundred fifty-nine subjects were recruited from the patients admitted to the Internal Medical Department at Kyunghee University Oriental Medical Center, Donggnk University Ilsan Oriental Medical Center, Kyungwon University Songpa Oriental Medical Center and Kyungwon University Incheon Oriental Medical Center from April 2007 to March 2008. We diagnosed dampness-phlegm by Oriental medical diagnosis and analyzed their characteristics with type of stroke, blood test result, Sasang constitution, lifestyle and metabolic syndrome. Results: I. On the demographic variables of the patients, the weight and body mass index, the rate of hypertension, diabetes mellitus, hyperlipidemia, silent infarction were significantly higher in dampness-phlegm group than in the control. 2. There was no significant difference of stroke type between the dampness-phlegm group and the control. 3. According to the blood test, the dampness-phlegm group showed higher total cholesterol, triglyceride, fasting blood sugar and lower high density lipoprotein cholesterol than the control group with statistical significance. 4. According to the Sasang constitution distribution, the rate of Tae-Eum was significantly higher in dampness-phlegm group than in the control. 5. According to lifestyle, smoking and drinking were significantly lower in the dampness-phlegm group than in the control. Otherwise, exercise and dietary habits showed no significant difference between the two groups. 6. There were much more patients diagnosed with metabolic syndrome in the dampness-phlegm group than in the control. 7. Metabolic syndrome, silent infarction and obesity showed close relationship with dampness-phlegm pattern in multivariate analysis. Conclusions: According to the analysis, the relationship between the patterns of dampness-phlegm and metabolic syndrome in acute stroke patients were clarified. These results can be utilized in the future as a basis material.
Objectives : 1. Clinical trial for the efficacy evaluation of Korean acupuncture techniques in treating frozen shoulder. 2. Development of the standard clinical guidelines of the acupuncture treatment for the frozen shoulder. 3. Development of the new clinical protocol for the acupuncture treatments. 4. Verification of the hypothesis that treating at both the remote and the nearby acupoints according to the meridian theory is more effective than treating at only the nearby acupoints. Methods : 1. Research designed as Single blind, Randomized, Sham acupuncture controlled clinical Trial. 2. Assignment of 86 patients to one of three groups treated at nearby acupoints(group A), remote & nearby acupoints(group B), and sham points(group C) respectively. 3. Trial conducted at KIOM CRC of Dunsan oriental medical hospital, Daejeon Univ. 4. Estimation of the recovery rate of the frozen shoulder in subjects aged over 40. 5. Efficacy evaluation using VAS, SPADI, ROM and Improvement rate. Results : 1. There was no significant difference in VAS among the three groups. 2. Pain related scores in SPADI of the group B were significantly lower than those of the group A. 3. There was no significant difference in disability related scores of SPADI among the three groups. 4. External rotation of upper arm in the group B was significantly improved in comparison with that in the group C. 5. Abduction of upper arm in group A was improved with weak statistical significance in comparison with that in the group C. Conclusion : Acupuncture at both the remote and the nearby acupoints according to the meridian theory is effective to improve external rotation of frozen shoulder, and acupuncture at the nearby acupoints is effective to improve adduction of frozen shoulder. However it is not clear that acupuncture treatment at both the remote and the nearby acupoints according to the meridian theory is more effective than treating at only the nearby acupoints in the treatment of frozen shoulder. Since our study was a short term trial, a long term trial for a more precise evaluation of acupuncture treatment for frozen shoulder will be needed in the future.
KSCE Journal of Civil and Environmental Engineering Research
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v.10
no.3
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pp.127-136
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1990
In this paper, the experimental study was carried out for the removal of olive oil in wastewater by the use of Biological Fluidized Bed(BFB) with the reticulated polypropylene sheets as media. The nonbiodegradable olive oil, one of the animal and vegitable oil, was used bacause of the relative simplicity of constitution. Biological degraciability and removal characteristics of emulsified olive oil were studied by batch and continuous experiments respectively. From the results of batch experiments, it was observed that the emulsified olive oli used in BFB reactor was absorbed by media and sludge in about 12 hours, and degradation of the absorbed olive oli was mostly completed for 24 hours. The functional relationship of Michaelis-Menten's Enzyme reaction equation exists between oil concentration and maximum specific rate of olive oil. From the continuous experiments for the removal of olive oil using BFB reactor, it was proved that the substrate removal rate coefficient $k=0.004d^{-1}$, which is the first order kinetics. It was apperared that oxygen utlization coefficients for synthesis(a') and endogeneous respiration(b') of microorganisms in the reactor are respectively 0.85mg $O_2/mg$$COD_{cr}$ and 0.011mg $O_2/mg$ BVS. day.
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