• Title/Summary/Keyword: Joint development

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A Study on Processing Methods of New Materials Applied to Biomimicry Characteristics (바이오미미크리 특성이 적용된 신재료 가공방법 연구)

  • Ji, Ju-Yeon;Seo, Ji-Eun
    • Korean Institute of Interior Design Journal
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    • v.22 no.5
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    • pp.367-375
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    • 2013
  • Using the 'New material' concept has recently been introduced into the natural characteristics. In the course of such a, Janine M. Benyus has proposed to mimic the characteristics of natural ecosystems to mention the concept of Biomimicry. Process made engineered using technical elements for representing the material properties of Biomimicry such will be acting importantly, This study intends to analyze how new materials applied to 'Biomimicry' characteristics are processed in space. The results were as follows : 1) Processing methods of new materials resulted as 'Forming', 'Surface treatment', 'Bonding', 'Inserting'. These four were divided and analyzed into 'Form', 'System', 'Adaptation'. As a result of this analysis, such significances were shown as 'Forming/Surface treatment/Bonding' in 'Form', 'Bonding' in 'System' and 'Adaptation'. 2) 'Bonding' applied to 'System' of new material can be recycled to be combined with other materials through the existing adhesive material, and present as a solution of 'Sustainable development'. 3) 'Bonding' applied to 'Adaptation' of new material is to impart the ability to react to the environment through the joint, but is characteristic, at this time, using digital and other field technology. It appeared primarily that it can be known to meet the social trends and convergence between fields. Thus, as the finish that are friendly to the environment from the interior design, the results of the study are expected to be utilized in the study of new materials guidelines.

Use of post-operative negative-pressure wound therapy for gouty ulcer (통풍성 궤양의 수술적 절제 후 음압배액법을 통한 치료)

  • Oh, Chang Yul;Choi, Jung Ran;Son, Min Su;Jo, Sun Young;Hur, Jun Ho;Park, Jung Gyu;Oh, Dong Ho;Yi, Young Hyun
    • Journal of Yeungnam Medical Science
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    • v.32 no.1
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    • pp.42-46
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    • 2015
  • Gouty ulcer can be caused by the accumulation of clumps of uric acid in body tissues that lead to acute or chronic inflammation at sites of accumulation. Furthermore, tophi-inhibiting granulation tissue may form a canal that channels microbial infection from the underlying involved joint space, and thus, presents the risk of osteomyelitis development. Accordingly, gouty ulcer must be treated appropriately. In this case, refractory wounds on gouty ulcers at the left shin and left radial ankle were treated by surgical debridement. Negative-pressure wound therapy was used successfully to prevent post-operative delayed wound healing.

Management of Diabetic Foot Ulcer (당뇨병성 족부 궤양의 치료)

  • Seo, Dong-Kyo;Lee, Ho Seong
    • Journal of Korean Foot and Ankle Society
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    • v.18 no.1
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    • pp.1-7
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    • 2014
  • In patients with diabetic foot, ulceration and amputation are the most serious consequences and can lead to morbidity and disability. Peripheral arterial sclerosis, peripheral neuropathy, and foot deformities are major causes of foot problems. Foot deformities, following autonomic and motor neuropathy, lead to development of over-pressured focal lesions causing the diabetic foot to be easily injured within the shoe while walking. Wound healing in these patients can be difficult due to impaired phagocytic activity, malnutrition, and ischemia. Correction of deformity or shoe modification to relieve the pressure of over-pressured points is necessary for ulcer management. Application of selective dressings that allow a moist environment following complete debridement of the necrotic tissue is mandatory. In the case of a large soft tissue defect, performance of a wound coverage procedure by either a distant flap operation or a skin graft is necessary. Patients with a Charcot joint should be stabilized and consolidated into a plantigrade foot. The bony prominence of a Charcot foot can be corrected by a bumpectomy in order to prevent ulceration. The most effective management of the diabetic foot is ulcer prevention: controlling blood sugar levels and neuropathic pain, smoking cessation, stretching exercises, frequent examination of the foot, and appropriate education regarding footwear.

Development of the Cryotherapy System (한냉물리치료기의 개발)

  • Kim, Y.H.;Yang, G.T.;Lim, S.H.;Chang, Y.H.;Ryu, J.S.;Kim, J.S.;Park, S.B.;Baek, S.S.;Chung, W.S.
    • Proceedings of the KOSOMBE Conference
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    • v.1997 no.11
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    • pp.388-391
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    • 1997
  • A cryotherapy system using the low temperature air was developed. The developed cryotherapy system had superior low temperature characteristics and many safety devices. For a clinical evaluation, skin and intra-articular temperatures of the knee joint were measured during and after the cryotherapy. After 5-minute therapy, skin and intra-articular temperature decreased by $23.3{\pm}4.7(^{\circ}C)$ and $4.1{\pm}1.0(^{\circ}C)$ respectively. A 5-minute cryotherapy therapy is good enough to maintain low intra-articular temperatures or 2-3 hours.

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A Process Model of E-Government Development: A case of E-Government Portals in Town of Amherst

  • Braynov, S.;Rao, H.R.;Song, Y.I.
    • Proceedings of the Korea Technology Innovation Society Conference
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    • 2003.11a
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    • pp.345-357
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    • 2003
  • The paper discusses a novel educational initiative in e-commerce pedagogy where students work on an e-government project. The paper describes a two-semester joint e-government project conducted by the town of Amherst, NY, and the State University of New York at Buffalo. During the first semester, students in a graduate e-commerce course in the School of Management were instructed to identify and analyze management issues valuable for small or middle size local government. In the second semster graduate students from the Department of Computer Science and Engineering designed and implemented prototypes of three e-government portals: an on-line action site for governmental procurement (E-Procurement), a portal for reservation of community recreation facilities (E-Recreation), and a portal for online dog registration (E-DogRegistration) combining a central registry of dog owners with distributed veterinarian databases. The objective of this initiative is twofold. First, it saves the local government resources by eliminating duplication of services and by using students as developers. Second, it provides students with real life hands-on experience. The paper discusses both the technical issues involved in the implementation of the project, and the management issues that need to be taken into account to enhance the e-commerce experience for the ordinary citizen and local governments.

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A Review of Conception and Developmental Process of Stretching in Sports Physical Therapy (스포츠 물리치료에서의 스트레칭의 개념 및 발달과정)

  • Chang Chung-Hoon;Jeong Dong Hyeog;Lee Rae Joon
    • The Journal of Korean Physical Therapy
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    • v.14 no.4
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    • pp.423-440
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    • 2002
  • The purpose of this study is to investigate the conception and developmental process of stretching in sports physical therapy. This study is to find conception of stretching, feature and effect, principles and fundamental rule, consideration of enforcement and developmental process in order to use the basic material which is very helpful in the every field and the scene of sports needing stretching. Flexibility is the ability to move muscles and joints through their full ranges of motion. Flexibility is developed by stretching. About player who insufficiency of flexibility, patient and disabled person who restrict of range of motion, older adult who reduce of flexibility, promote of flexibility for upgrading stability and efficiency of body on the based of scientific principles is completed by stretching. The method of stretching has been developed with passive stretching, CR, PNF stretching, PIC stretching, MET stretching in the order. The effects that we can get through stretching are as follows : 1. Enhance physical fitness. 2. Optimize learning, practice and performance of many types of skilled movement. 3. Increase mental and physical relaxation. 4. Promote development of body awareness. 5. Reduce risk of joint sprain or muscle strain. 6. Reduce risk of back problem. 7 Reduce muscular soreness. 8. Reduce the severity of painful menstruation for female athletes. 9. Reduce muscular tension. 10. Advance recognition of body.

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Replication of Automotive Vibration Target Signal Using Iterative Learning Control and Stewart Platform with Halbach Magnet Array (반복학습제어와 할바흐 자석 배열 스튜어트 플랫폼을 이용한 차량 진동 신호 재현)

  • Ko, Byeongsik;Kang, SooYoung
    • Transactions of the Korean Society for Noise and Vibration Engineering
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    • v.23 no.5
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    • pp.438-444
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    • 2013
  • This paper presents the replication of a desired vibration response by iterative learning control (ILC) system for a vibration motion replication actuator. The vibration motion replication actuator has parameter uncertainties including system nonlinearity and joint nonlinearity. Vehicle manufacturers worldwide are increasingly relying on road simulation facilities that put simulated loads and stresses on vehicles and subassemblies in order to reduce development time. Road simulation algorithm is the key point of developing road simulation system. With the rapid progress of digital signal processing technology, more complex control algorithms including iterative learning control can be utilized. In this paper, ILC algorithm was utilized to produce simultaneously the six channels of desired responses using the Stewart platform composed of six linear electro-magnetic actuators with Halbach magnet array. The convergence rate and accuracy showed reasonable results to meet the requirement. It shows that the algorithm is acceptable to replicate multi-channel vibration responses.

Development of a Probability Model for Burst Risks of Water Main using the Analysis Methods of Leakage Type (매설환경에 따른 배수관망의 누수발생원인 특성분석)

  • Park, Sang-Bong;Choi, Tae-Ho;Koo, Ja-Yong
    • Journal of Korean Society of Water and Wastewater
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    • v.25 no.2
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    • pp.141-152
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    • 2011
  • In this study, we extracted effective factors of pipe burst from the status data of water asset, operating data of pressure, volume and etc. and 7 years' pipe burst and repair records. The extracted factors were sorted by each attribution and then a statistical analysis was performed to generate a pipe burst probability function using the logistic regression model. As the result, material, diameter, length, laying year, pressure and road width affected to pipe burst significantly. Especially, in case of small diameter, laying year was most effective factor and in case of steel pipe, external loading was main cause of burst, and in case of cast iron, PE, PC, HP pipes, the deterioration of joint was main cause. The other side, as a result of Hosmer-Lemeshow goodness of fit test the models are turned out significant statistically. Also the classification criteria were determined to minimize the total cost from classification errors, when the predicted probability was more than 18% this pipe could have a chance of burst.

Trends in climate finance and ODA for global water infrastructure (글로벌 물시장에서의 기후 금융과 ODA자금 동향 조사)

  • Kim, Jakyum;Kim, Seunghyun;Sohn, Jinsik
    • Journal of Korean Society of Water and Wastewater
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    • v.34 no.3
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    • pp.169-182
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    • 2020
  • ODA finance in the water sector has decreased after reaching a peak in 2012 although total ODA commitments have steadily increased according to OECD DAC data. However, climate finance in the water sector has increased so much since 2013 according to 7 MDB Joint report on Climate Finance. Water, especially, in climate change is the main issue for adaptation, and the total finance in the water sector reached 50% of the international public adaptation finance in 2016. However, the procedures for approval and the requirements of the proposals for climate funds are different from those for development finance. Notwithstanding the changes in money flows in the water sector, most korean engineering consulting firms in the water infrastructure area are not ready to win the funds relating to climate change. Therefore, It is important to understand a variety of sources of climate funds, characteristics, funding scale on each purpose and procedures for approval. Korean government needs to provide the firms the opportunities to buildup experiences by getting involved in climate adaptation projects with the financial support for developing PPFs, concept notes, and proposals.

Present Situation and Prospects of Sericulture in China

  • Shen, Xing-Jia;Ye, Xia-Yu;Guo, Xi-Jie
    • International Journal of Industrial Entomology and Biomaterials
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    • v.13 no.2
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    • pp.51-55
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    • 2006
  • Since 1970, China has become the biggest cocoon producer in the world, and made the highest historical record of cocoon output for 759,800 tons in 1995. However, in 1996 cocoon production reduced sharply to 470,900 tons. After a ten-year adjustment and reform, sericultural areas have shifted from developed regions to developing regions and from the east to the west. From 2000, the cocoon output has started to increase restoringly. By 2004 it recovered to 547,091 tons. With the development of market economy, sericulture management has been changed, including mulberry fields concentrated to the specializated households and cooperatives, cocoons produced in larger scale instead of individuals, Silkworm egg producing enterprises gradually changed into non-governmental joint-stock ones. The mechanism of market cocoon price has been gradually established. The management model of combination of trade, industry and agriculture is pushing and improving. It is the fruit of modern science and technology, especially sericultural basic research, that provides China's sericulture with the opportunity and vital force. China's sericulture, therefore, will continue to develop steadily in future.