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김성태,이현수,안선주,류한국,박문서,Kim, Sung-Tae,Lee, Hyun-Soo,An, Sun-Ju,Ryu, Han-Guk,Park, Moon-Seo 한국건설관리학회 2007 건설관리 : 한국건설관리학회 학회지 Vol.8 No.5
By prosperous condition of construction economy in the early 90s in Korea, the government needed a lot of the qualified professional engineers (PE) to manage the construction site. In order to meet the high demand of P.E., Government has established the admitted engineer systems(AES) in 1995 that give the authority of principal engineers to the admitted engineers who do not take the written examination but have equivalent working experience. Since 2000, professional $engineer^{\circ}{\phi}s$ shortage has been resolved. however, the opposite situation, which is serious over-supply of construction engineers has occurred. Thus, Government announced that would abolish the admitted engineer systems as recognized the existent admitted engineers(about 1,000,000 persons) from 2007. However, Professional Engineers Institution has strongly insisted that Government should not recognize existent admitted engineers. From this point of view, it is critical to make the supply-demand forecast systems as a derivative approach of System Dynamics also, that is useful in comparing the argument between Government and Professional Engineers Institution. This paper describes about principal $engineer^{\circ}{\phi}s$ supply change by admitted engineer system abrogation and suggests the idea to regulate the supply and demand with the improvement of the regal system. 90년대 초 한국의 건설 경기가 호황을 누리면서 건설현장을 관리할 수 있는 특급기술자에 대한 수요가 커졌었다. 이러한 특급기술자의 수요를 맞추기 위해 정부는 1995년에 기술사 시험에 의하지 않고 단지 경력 년 수만으로 특급기술자 자격을 부여하는 인정기술자제도를 만들었다. 그러나 2000년 이후 특급기술자의 부족 현상은 해소되었고, 그 반대로 특급기술자의 심각한 과잉공급이 초래되었다. 따라서 정부는 인정경력자제도를 폐지(기존의 인정경력자를 인정)하는 개정법을 시행하고 있다. 그러나 여전히 기술인 협회에서는 기존의 인정기술자까지도 인정하지 말아야한다며 대립된 주장을 펴고 있다. 본 연구에서는 이러한 대립 관점에서 시스템 다이내믹스 방법론을 이용하여 수요공급 예측 모델을 통해 정부와 기술인협회 사이의 대립된 주장을 해결할 수 있는 실마리를 제공할 것이다. 본 논문은 각 시나리오를 통해 인정기술자제도의 폐지이전(개정법 이전)과 개정법에 따른 인정기술자제도 폐지 후의 특급기술자의 공급 변화를 비교하고 있으며, 차후의 정책 입안자가 특급기술자의 수요와 공급의 균형을 위한 제안점을 시사하고 있다.
웃음을 이용한 다중음성치료기법(SKMVTT<SUP>®</SUP>)이 성대용종 환자의 음성개선에 미치는 효과
김성태(Seong-Tae Kim),정옥란(Ok-Ran Jeong),안철민(Cheol Min Ahn) 한국음성학회 2008 음성과학 Vol.15 No.2
Vocal polyp is one of the representative chronic diseases of vocal folds, and it can be cured by voice therapy and/or laryngeal microsurgery. However, the existing therapeutic methods about vocal polyp are in great demand. The purpose of this study was to evaluate the effect of vocal improvement between laryngeal microsurgery and SKMVTT<SUP>®</SUP>(Seong-Tae Kim's Multiple Voice Therapy Technique), which was designed by the author. We identified 37 patients, who were diagnosed with unilateral vocal polyp, aged from 21 to 62 years(mean age: 46 years). 21 patients were treated by the SKMVTT<SUP>®</SUP> and the other 16 patients were only treated by the laryngeal microsurgery. All patients who were treated by the SKMVTT<SUP>®</SUP>, received 12 sessions of treatment, and were evaluated before therapy and after finishing the 12th session. The patients who were treated by laryngeal microsurgery, were evaluated prior to and at least 8 weeks after surgery. The results showed that the SKMVTT<SUP>®</SUP> produced better results compared to the laryngeal microsurgery alone. The SKMVTT<SUP>®</SUP> produced better results, especially, at the initial stage of voice therapy compared with those of laryngeal microsurgery. In this study, we can suggest that SKMVTT<SUP>®</SUP> may be useful in improving the voice qualities of vocal polyp patients. However, more data should be collected and evaluated to be widely used in other clinics.
Levothyroxine으로 유발된 갑상선기능항진증 랫트에 대한 양격산화탕, 팔물군자탕 및 청폐사간탕의 효능 비교연구
김성태,최애련,Kim, Seong-Tae,Choi, Ae-Ryun 사상체질의학회 2016 사상체질의학회지 Vol.28 No.2
Objectives This study's object was to observe the comparative effects of Yangkyuksanhwa-tang, Palmulgunja-tang and Cheongpyesagan-tang on the chronic LT4(levothyroxine) induced hyperthyroidism in rats.Methods Six groups, each of 8 rats in group, were used in this study. Saline and distilled water treated rats are intact control group. Hyperthyroidism was induced by daily subcutaneous LT4 300 μg/kg treatment for 27 days(LT4 control). Since 12th LT4 treatment PTU(propylthiouracil) 10 mg/kg was intraperitoneal injected(PTU group) and aqueous extracts of Yangkyuksanhwa-tang, Palmulgunja-tang and Cheongpyesagan-tang(YS, PG and CS) 500 mg/kg were orally administrated(YS, PG, CS group), once a day for 15 days. The differences in the body, thyroid gland and epididymal fat pad weights, serum T3(tri-iodothyronine), T4(thyroxine), TSH(thyroid-stimulating hormone), thyroid gland and epididymal fat pad histopathology, liver weight, AST(asparte aminotransferase), ALT(alanine aminotransferase) concentrations, hepatic lipid peroxidation, GSH(glutathione), SOD(superoxide dismutase), CAT(catalase) activities, liver histopathology were observed to evaluate effects on hyperthyroidism, liver damages and antioxidant effects.Results As results of LT4 treatment, hyperthyroidism and related liver damages such as lower body, thyroid weights, higher serum T3, T4, AST, ALT levels, thinner follicular lining epithelium in thyroid glands were observed. However, these symptoms were inhibited by oral treatment of YS, PG and CS. As compared with PTU treatment, these herbal prescriptions showed lower overall efficacy on the hyperthyroidism, but YS showed more favorable effects on the hepatic antioxidant defense systems.Conclusions This results suggest that YS, PG and CS favorably control the LT4 induced hyperthyroidism and related liver damages in rats through modulation of the hepatic antioxidative defense systems.