The Journal of the Society of Korean Medicine Diagnostics
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v.14
no.1
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pp.79-95
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2010
Background and Purpose : By preventing diseases caused by exogenous evil, disorder of internal organs, and seven modes of emotions and adapting to mother nature when the mind is unsettled, and keeping the body and mind relaxed diseases can be avoided, but there can be unpredicted situations caused accidentally by stroke. Currently the general prescription is regulating the flow of vital energy including drugs eliminating blood stasis. Even though the stroke is resulted from diseases caused by exogenous evil, by observing the patient's physical appearance, essence of life, vital energy, and mental faculties which are believed to be the functions of the heart to clear the upper body and invigorate the functions of the spleen and stomach and purge with drugs of warm nature is a closer approach than simply prescribing vital energy regulating drugs with eliminating blood stasis to the main purpose of treatment. Methods : 1) The subject of the study are 2 cases of patients who have visited the private hospital of the person who is announcing the results of the study. These patients have been given a diagnosis of edema or cystoma caused by bursitis in the knee joint through perception or medical examination and were waiting for operational application. 2) Sources related to stroke from Dong Eui Bo Gwam(東醫寶鑑) were used as the general standard of Korean Traditional Medicine, and to promote the understanding the original text and the translation has been given. 3) By observing the whole body such as the patient's usual physical appearance, essence of life, vital energy, and mental faculties which are believed to be the functions of the heart, or partly using the "Yin is even and well while Yang is firm" theory of "Plain Questions" as the background to present the results of the clinical study. Results and Conclusion : Generally the prescriptions from the first volume of Dong Eui Bo Gwam(東醫寶鑑) are mostly drugs eliminating stagnated blood including extravasated blood and the blood moving sluggishly in circulation or congested in a viscus, alleviating pain, invigorating blood circulation. Also prescriptions for bone fracture or fracture of bones and sinews are mostly to eradicate blood stasis with drastic drugs or coaptation drugs added to drugs eliminating stagnated blood including extravasated blood and the blood moving sluggishly in circulation or congested in a viscus, alleviating pain, invigorating vital energy, possessing warm properties for the Xue system.
Purpose: This study examined the clinical results of the treatment of type 2 distal clavicle fracture with using a Wolter plate. Materials and Methods: Between 2004 and 2007, 16 patient treated for type 2 distal clavicle fracture using a Wolter plate were included in this study. Their average age was 32.6 years and the postoperative mean follow-up period was 22.9 months. The reduction and union were qualified according to the immediate post-operative and final radiographs. The functional outcome was evaluated by Kona's system and the Constant score Results: By Kona's functional evaluation, there were 12 cases with excellent results, 3 cases with good results and 1 case of fair results and the average Constant score was 90. All 16 cases showed bony union. As complications, there was 1 case in which the protruded hook of the plate could be palpated at the skin, and 1 case showed an acromial fracture, but all the cases dispalyed successful bony union and there was no acromioclavicular joint arthritis, infection or any other complications. Conclusion: Wolter plate fixation for type 2 distal clavicle fracture is a reliable surgical method for satisfactory reduction and rigid fixation, a lower incidence of nonunion and excellent clinical result.
Kim, Seong-Yong;Bae, Jun-Hee;Lee, Jae-Wook;Heo, Chul-Ho
Economic and Environmental Geology
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v.49
no.3
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pp.201-212
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2016
Due to growing problems securing stable mineral and energy resources with international political and economic changes, China has dedicated itself to strategies and policies to enhance its stable mineral and energy resources security. China has established a rare earth elements(REE) industry policy after the abolition of the REE exports quota system. China's six large REE companies have also been integrated into REE mining, smelting and refining companies. Efforts have been increased to enhance China's energy security through unconventional oil and gas exploration and development investment, as well as effort in R&D. The country will focus on technology development and exploration to promote commercial production of unconventional oil and gas based on countries with shale gas. China is making long-term contracts and joint ventures to ensure the acquisition of reliable mineral and energy resources from abroad. Government of China has proposed a range of initiatives, such as the integration of resources development strategies and environmental development strategies, internationalization of resource management, supply diversification and advancement, strengthening industry linking strategy, grouping and diversification strategy.
Moon Young Lae;Ha Sang Ho;You Jae Won;Joo Jeong Yong;Kim Dong Hui
Journal of Korean Orthopaedic Sports Medicine
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v.1
no.1
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pp.97-101
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2002
Purpose : To describe clinical results and improvement of range of motion and pain after arthroscopic treatment for the athletic elbow lesion. Materials and Methods : We reviewed 13 cases of functional restriction of the elbow motion, who all patients were treated by conservative treatment during than 6 months but failed. We performed arthroscopic osteophytectomy, capsular release, spur excision. The interval from injury to operation was average of 13 months (range, eight to sixteen months). We used the Broberg and Morrey functional rating score system in evaluating result. The follow-up period averaged 6 months. Results : Arthroscopic finding that moderative to severe synovitis in all cases, intraarticular loose body in 9 cases, olecranon bony spur in 2 cases, was observed. All cases were successfully improved in range of motion and pain without in any further operation. Preoperative average score was 65 and postoperative average score was 89.4 in Broberg and Morrey functional rating score. Conclusions : Arthroscopic treatment appear to be satisfactory management modality due to diagnose the casative factor and reduce the injury around the elbow joint in painful elbow lesion. Elbow arthroscopy appears to be a safe and effective treatment for athletes, allowing easy return to participation in sports.
The Journal of Korean Orthopaedic Ultrasound Society
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v.7
no.1
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pp.39-44
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2014
The patellar clunk syndrome is one of the patellofemoral complication, caused by formation of the fibrous nodule at the suprapatellar region after total knee arthroplasty. The symptom involves painful catching, crepitus and clunk during knee extension. It has been mainly but not exclusively associated with the posterior stabilized total knee system. The fibrous nodule is entrapped in the femoral intercondylar notch of the femoral component during flexion and as the knee is extended, it displaces back to the trochlear groove abruptly and the typical symptoms occur. The risk of developing this complication is primarily related to the design of the femoral component and higher incidence was noted with earlier designs of posterior stabilized knee prosthesis. Modifications have been made to the femoral component to optimize the kinematics of the patellofemoral joint and thereby reduced the incidence of patellar clunk syndrome but did not eliminate the problem completely. Clinical examination is the gold standard of diagnosis and imaging study has been used as a possible adjunct to diagnosis. Especially ultrasonography is an imaging modality, which can be easily performed to detect the fibrous nodule on the quadriceps tendon. We report a case of patellar clunk syndrome which was diagnosed with ultrasonography.
Non destructive testing(NDT) methods of electrofusion(EF) joints of thermoplastics pipes are required for fusion joint safety and for the long term reliability of a pipe system. Electrofusion joints, which are joined at the proper fusion process and procedures, may encounter defects due to the difference of ovality between pipes and coupling, improper fusion process or porosity result from electrofusion joining. These defects can cause the failure of pipeline and by extension, they can be caused the limit to expand the use of plastics pipes. This paper studies inspection results using ultrasonic imaging method for damaged polyethylene electrofusion joints. Gas was leaking from 250mm diameter polyethylene electrofusion joints at February 2004 which was electrofused at December 1994 and operation pressure was 2.45kPa. First, surface inspection was conducted and then in order to find the types of defects examination using ultrasonic imaging method was performed. Lack of fusion and inappropriate inserting for polyethylene pipes into electrofusion coupling were found and causes of the gas leak were judged that misalignment and insert defect. Cutting inspection was performed and each inspection results were compared to. Results of ultrasonic imaging method and cutting inspection were the same.
To determine nitrogen balance (Input-Output) of Korea that was asked by Joint Working Party of the Committee for Agriculture and the Environment Policy Committee, OECD, nitrogen input and output were separately investigated as followings: nitrogen input included the amounts of chemical fertilizer consumption, cattle manure production, and biological nitrogen fixation in the national scale, and nitrogen output summed amounts withdrawn by crop and pasture harvesting, and crop residue removal, and lost by denitrification. In 1997, nitrogen balance of Korea was $158kg\;ha^{-1}$ and $211kg\;ha^{-1}$ on including and excluding denitrification loss, respectively. N balance excluded N loss by denitrification and N withdrawal by crop residues on nitrogen output was $250kg\;ha^{-1}$, which OECD asked to except two items from N balance determination because participants were not enough their data. Nitrogen balance was increased to 1.7~2.3 times in 1997 compared with 70 and $162kg\;ha^{-1}$ in 1985, which calculated on the condition of including denitrification and excluding denitrification and removal of crop residues in nitrogen output, respectively. This increase was caused mainly by increasing livestock manure production and chemical fertilizer consumption together with agricultural land area decrease. Nitrogen input was composed with 59% of chemical fertilizer. 42% of cattle manure and 5% of others in 1997, and output was with 73% of crop production, 23% of crop residue withdrawal and 4% of pasture production. Average nitrogen balance excluded N loss by denitrification and N withdrawals by crop residues in 1995~1997 calculated by OECD was $253kg\;ha^{-1}$, which was the second highest rank in OECD participants following $262kg\;ha^{-1}$ of Netherlands. Japanese N balance that has similar farming system with us was $135kg\;ha^{-1}$.
Using a multiproduct translog cost function model, this paper examines the existence or absence of scale and scope economies in Seoul's urban bus industry. The Paper then conceptualizes that the bus firm produces three outputs (city, seat and local bus-kilometers) using low input factors(labor, capital, fuel and maintenance). Using 1996 annual observations for 81 Seoul's bus firms, the equation system consisting of a cost function and three input share equations is estimated with the nonlinear iterative Zellner method. The findings show that the cost function corresponding to a non-homothetic production technology with separability between local bus outputs and inputs adequately represents the structure of cost for Seoul's bus firms, and that the demand lot all input factors is quite inelastic with respect to their own price. On the other hand, nearly all firms experience mild overall economies or scale, but rather marked product-specific economies of scale with respect to all the three outputs. In addition, there appear to be substantial economies or scope associated with the joint production of city and seat bus services, while considerable diseconomies of scope associated with that of city and local bus services. These results indicate that the merger of smaller firms into larger firms with a fleet of approximately 200 buses would result in more cost-efficient bus services.
Using a generalized translog multiproduct cost function model, this paper examines economies of scale and scope in the vertically-integrated Korean railway industry. The paper then conceptualizes that the Korea National Railroad (KNR) produces four outputs (passenger-kilometers, ton-kilometers of freight, average length of passenger trips, and average length of freight haul) using three input factors(labor, fuel and maintenance, and rolling stock and capital). Using time series data collected from the KNR's annual records for the years from 1977 to 2002, the simultaneous equation system consisting of a cost function and two input share equatins is estimated with the Zellner's iterative seemingly unrelated regression. The findings show that the cost function corresponding to a non-Cobb-Douglas, non-homothetic, and non-homogeneous production technology adequately represents the KNR's cost structure. On the other hand, the Korean railway industry experiences sizeable overall scale economies, which result from substantial product-specific scale economies associated with passenger-kilometers and freight ton-kilometers and from scope economies associated with their joint production. In addition, the magnitude of economies of scope is influenced largely by the ratio of passenger trips, and has increased over time as the former has increased while the latter has decreased.
Korean Journal of Construction Engineering and Management
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v.19
no.5
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pp.10-21
/
2018
This study analyzes difficulties of enterprise activities in Chinese construction market by surveys on early entrants and interviews with experts. This study also suggests future strategy to enter the market by using inducement coefficient model. Korean construction companies in China are under heavy pressure to maintain requirement of licenses, despite recent deregulation. They are in dire predicament for market entry due to the Foreign Direct Investment System. It is almost impossible to participate in public projects and also it is not easy to do PPP projects. Therefore, Korean government should make more efforts to solve those issues through negotiations in FTA and GPA. For future expansion in Chinese construction market, it is highly recommended to boost cooperation models between Korea and China according to the empirical results of inducement coefficient model. Korean companies should collaborate with Chinese companies in some fields: smart city, environment and water treatment. Also, Korean government should support Korean companies by diplomatic means such as requesting for further opening of China's market. In GPA or GATS negotiation, Korean government should ask Chinese government that Korean companies can obtain order independently (without joint venture with Chinese companies) in China. Lastly, Korean construction companies should participate in construction projects ordered by international organizations such as ADB, AIIB.
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