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탄소섬유쉬트로 보강된 RC보의 구조내력에 관한 실험 연구
정병옥,이우진,윤승조,김성수 대한건축학회 2000 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.20 No.2
In general, the Carbon Firber Sheet is used to strengthen of Reinforced Core Beams. But the flexural strength of Reinforced Concrete Beams wig Carbon Firber Sheets is not clearly defined. Therefore, the pose of this pate is to investigate the flexural strength effect of Reinforced Concrete Beams with Carbon Firber sheets. The experiment parameters of in this study are the amount of sheets, the shape, the U type anchorage, and the Pre-loading. The result shows that ire flexural strength, the shape of failure, the failure loads, and the ductility of Reinforced Concrete beams with Carbon Firber Sheets.
정병옥,방현수,Jung, Byeong-Ok,Bang, Hyun-Soo The Society of Digital Policy and Management 2014 디지털융복합연구 Vol.12 No.7
The present study was aimed to comprehend the effect of the Russian current stimulation on the muscular performance and activity of quadriceps femoris muscle of the convalescent patient after the leg fracture.This study conducted test based on 20 patients after leg fracture. Russian current was applied for six weeks as three times in a week, between January 9, 2013 and 15 March 16, 2013. The electromyogram was used to measure the muscle activity of the quadriceps femoris, and the isokinetic equipment was used to measure the muscular performance. The muscular performance difference by duration depending on the application of the Russian current showed the significant increase in all muscular performances. The activity of all muscles of the quadriceps femoris muscle by duration showed significant increase. These results showed that the Russian current can be the effective treatment method for enhancing the muscular strength of the weakened lower limbs muscle due to the problem such as the leg fracture.
정병옥,이규리,김근조,박흥기,김본원,Jung, Byeong-Ok,Lee, Cu-Rie,Kim, Keun-Jo,Park, Heung-Ki,Kim, Bonn-Won 대한물리치료과학회 2006 대한물리치료과학회지 Vol.13 No.4
The survey was conducted with participation of the 289 handicapped persons residing at the rural area OOeup-gun in Kyungbook for the period of March 2 - May 31, 2006, to study the nature in general of the handicapped and the boundaries of their need. For the nature in general of the handicapped, the study was done by gender iscrimination, age, marital status, religion, educational level, occupation, monthly income, disability cause, disabled duration, disability type, disability level. For the boundaries of their need, the study was done by demand of financial support, educational demand, demand of voluntary workers, need of rehabilitation and medical treatment, job training, improvement of living conditions, or so. Using the Win.SPSS program, we made a frequency analysis and conclusions on the nature in general of the handicapped and the boundaries of their need on a 2-test. Conclusions are : 1. Nature in general of the handicapped The existence of the handicapped shows high at the age over 51 (71.6%), male-handicapped (65.1%), primary school graduates (62.9%), farming engaging (65.2%), monthly income less than one million Won (80.5%), cause by disease (53.8%), duration more than 10 years (61.6%), disability at level 3 (39.8%), extremity disability (66.4%). 2. Correlation of nature in general with demand of the handicapped a. In demanding the financial support, support for helper’s compensation shows high (p<0.05). In demanding the necessity of voluntary workers, the male-handicapped appears high during the absence of family assistance and the female-handicapped appears differently per week and also appears high during the absence of family assistance (p<0.05). b. In educational demand of the handicapped by their age, the age below 30 demands technical-job training and the age over 31 demands medical education for health care (p<0.01). c. In demanding the financial support by educational level, support for living cost shows high (p<0.05). d. In demanding improvement of living conditions by postnatal cause of disability, improvement of house structure shows high (p<0.05). e. In demanding assistance of voluntary workers by disabled duration, "No Need" shows high in the disabled duration more than 4 years (p<0.05). f. In demanding rehabilitation and medical treatment by disability type, home-visiting treatment, oriental medical treatment and physical therapy show high (p<0.001). g. In educational demand by disability level, medical education for health care shows high (p<0.01).
정병옥 한국생체재료학회 2007 생체재료학회지 Vol.11 No.1
Bioceramics are considered biocompatible, hard, brittle materials with relatively poor tensile properties but with excellent compressive strength, high resistance to wear, and with favourable, low frictional properties in articulation. The low frictional properties are enhanced by the fact that ceramics are hydrophilic and can be highly polished, which provides a superior load-bearing surface with itself or against polymeric materials in physiological environments. Bioceramics, natural or synthetic, used singularly or with additional organic or polymeric materials, are amongst the most promising of all biomaterials for hard and soft tissue replacement applications. Recent advances in the production and use of natural bioceramics for applications in hard and soft tissue replacement are discussed. Also, the clinical status of bioceramics for bone tissue-engineered alternatives is discussed based on the patent and market information.
정병옥,이준우,최영선,손종구 한국생체재료학회 2007 생체재료학회지 Vol.11 No.1
Recent advance in genetic engineering and production of the monoclonal antibody(MAb) allows one to generate therapeutic proteins in large amounts. Therapeutic proteins we overview here include interferon, insulin, EPO, colony stimulating factor (CSF), blood factor, therapeutic enzymes, therapeutic hormones, and cytokines (growth factors, interleukins etc.). We focused on the recent progress in research and development of MAb-based therapeutics and analyzed the recent market trend related to the therapeutic proteins.