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      • KCI등재

        정안침요법(整顔鍼療法)을 응용하여 호전된 후천성 사경환자 치험 2례

        박서영,김재수,홍의재,이윤경,이봉효,임성철,정태영,이경민,Park, Seo-Young,Kim, Jae-Su,Hong, Eui-Jae,Lee, Yoon-Kyoung,Lee, Bong-Hyo,Lim, Seong-Chul,Jung, Tae-Young,Lee, Kyung-Min 대한침구의학회 2008 대한침구의학회지 Vol.25 No.4

        Objectives : This report intended to estimate effects of Jung-an acupuncture on the acquired torticollis caused by muscle contraction. Methods : The patients were treated by Jung-an acupuncture, herb medication and Physical treatment daily. The improvement of the patients was judged by Toronto Western Spasmodic Torticollis Rating Scale(TWSTRS), Tsui's score and Visual Analogue Scale(VAS). Results : After 7 days of treatment, the 2 patients' neck pain and cervical movement were improved. Also, TWSTRS score, Tsui's score and VAS were all reduced. Conclusions : As the Jung-an acupuncture's theological base is organized with meridian theory and myofacial release therapy, We considered the Jung-an acupuncture is effective not only for the skin disease but also for the muscle problem such as torticollis.

      • 2상 HB형 Linear Stepping Motor의 정지정도 개선에 관한 연구

        정의남,임윤희,이상교,이경호,송우창 三陟大學校 1999 論文集 Vol.32 No.1

        A Linear Stepping Motor (LSM) can operate in an open loop control mode similarly to a rotary stepping motor. However, the LSM occur error between the actual mover position and the ideal position. In this paper, a position accuracy improvement method using an energy stored in winding inductance of the LPM is proposed.

      • 아두이노 음주측정기를 활용한 음주형태에 따른 체내 알코올 농도 변화에 대한 연구

        홍정의 한국교통대학교 2020 한국교통대학교 논문집 Vol.55 No.-

        A breathalyzer was modeled using the Arduino's mq3 sensor, and blood alcohol concentration was measured according to various types of drinking. The purpose of this study is to present an alternative to a safe drinking culture by analyzing the correlation of each variable through the measurement of blood alcohol concentration in the twenties. Alcohol consumption was measured based on soju. As a result of analyzing the measurement data, it was confirmed that height, drinking capacity, smoking, eating, and sleeping were correlated with blood alcohol concentration.

      • 폴리에틸렌의 전화정도에 따른 열분해 특성 변화

        정도성,김상채,선우창신,유의연 全南大學校 觸媒硏究所 2003 觸媒硏究 論文集 Vol.24 No.-

        Thermogravimetric analysis and pyrolysis experiment were used as studying the effent of conversional level on the thermal degradation of HDPE. The wide conversional range in this work encompassed a change in the degradation mechanism. To accommodate this mechanism change, the data were treated as a pseudo first-order reaction. It was observed that the data conformed to a first-order fit at conversional range of 0.05∼0.98 with an activation energy of 376 kJ/mol. The lower activation energy occurring at lower conversion (0.01∼0.05) is attributed to scission of 'weak links' in macromolecles. The higher activation energy was similar to the carbon-carbon bond dissociation energy and is associated with random scission throughout backbone chain. The lower the conversional level, the more abundant the paraffinic hydrocarbon in product. To what extent this finding are influenced by limitation of terminate reaction of radicals.

      • KCI등재

        사람 血淸의 개 赤血球에 對한 凝集活性에 關한 硏究

        鄭儀欽 大韓法醫學會 1989 대한법의학회지 Vol.13 No.1

        Various classification of human blood type is important in medicolegal field such as individual identification and paternity test, etc. So the author attempted new classification of human sera by their agglutinating activities to dog red blood cells, and compared these results with diverse blood or serum types. The results could be summarized as follows: 1. Human sera were divided into two groups by their agglutination activities to dog RBC; one was agglutination group and the other was no-agglutination group. The incidence of agglutination group was 89% and no-agglutination group was 11%. 2. Individual differences of dog RBC did not affect on their agglutination reaction by human sera. 3. This agglutination property of human sera to dog RBc had no relation with ABO, Cl, H, Htr, ab.C, CCI, CAl and haptoglobin types and with agglutination property of human sera to bovine, cat and mouse RBC.

      • 남극지역의 대기오염 측정체계 구축을 위한 기초조사

        정의석,김선태,김선규,홍성민,정호성 大田大學校 環境問題硏究所 2002 환경문제연구소 논문집 Vol.6 No.-

        From January through February 2000, the SO_2. NO_2, and VOCs (Volatile organic compounds) concentrations were measured at the total 15 sites (between 6213S and 6214S, between 5846W and 5848W) around the King Sejong Station located in King George Island. The badge type of SO_2 and NO_2 passive diffusion samplers impregnated with 5% Na_2CO_3 and TEA, respectively and VOC passive samplers including activated carbon filter were used. The samplers brought back to the laboratory were analyzed with IC or GC after extracting by distilled pure water, H_2O_2, or CS_2. Considering that the concentration level of each compound analyzed are very low in Antarctica, the blanks and instrumental detection limits were also determined. The blanks of SO_2 and NO_2 sampler were found to be 0.63 ppb and 0.49 ppb, respectively. Measured concentrations range from <LOD to 1.58 ppb for NO_2 and from <LOD to 0.44 ppb for SO_2. For ten species of VOCs investigated, on the other hand, most of compounds except for toluene and benzene could not be detected because of extremely low concentrations below the instrumental detection limits. Measured concentrations range from <LOD to 0.96ppb for toluene and from <LOD to 0.22 ppb for benzene. Although the concentrations of most gaseous contaminants investigated are observed to be very low, our results clearly show that anthropogenic emissions at King Sejong Station affect the concentrations of several of these compounds. The limited but valuable data presented in this study will be helpful to establish the systematic air monitoring system in the near future.

      • 유리섬유 강화복합재료의 표면열화특성에 관한 연구

        정의남 삼척대학교 산업과학기술연구소 2001 産業科學技術硏究論文集 Vol.6 No.1

        In this work, the properties of FRP, which is applied recently in the composite insulating materials, by thermal and water treatment were investigated. The specimens were epoxy glass laminates fabricated by thermal press method and had the volume content of 46[%]cutted 45˚ in the fiber direction and 2.0[mm]thickness. The thermal treatment results showed that the amount of weight loss, wettability, surface potential, and surface resistivity increased up to 200[℃]without as a function of temperature. Usually, most degradations caused the hydrophilic to decrease the contact angle. But, in this work on thermal-degradated FRP, we can confirm the introduction of hydrophobic properties by cross-linking and the ablation of polar small-molecules rather than chain scission and oxidation. Finally, weight loss decreased and contact angle increased. These phenomena show the existence of hydrophobic surface. With the change to the hydrophobic surface and the electrical potential and resistivity on FRP surface increased. But, the dielectric properties are decreased. The water treatment results showed the contact angle and surface resistivity of the treated samples were decreased as a function of exposed time. For the surface potential decay of water degraded samples, it was found that the more treated time, the faster diminished on the accumulated charge because of the effect of polar hydroxyl groups induced. In dielectric properties, dielectric constant was increased as accelerated degradation developed with water treatments.

      • 각종 피부종양에서 p53과 bcl-2 발현양상

        정용민,양승하,이성열,김대중,김의한 순천향의학연구소 1999 Journal of Soonchunhyang Medical Science Vol.5 No.1

        Background : The function of p53 protein was known to accelerate the apoptosis, but bcl-2 protein was known to suppress the apoptosis. The overexpression of p53 and bcl-2 proteins has been reported in many malignant tumors. Although the mechanism of tumorgenesis of the p53 and bcl-2 protein took hasnot been proved, bcl-2 positive tumors contrast to p53, appeared to have good prognosis. The expression pattern of p53 and bcl-2 in epidermal tumors has not been well known. The author analyzed immunohistochemical expression of p53 and bcl-2 protein and investigated the role of p53 and bcl-2 protein in the developing tumors of epidermal origin. Method : 15 cases of squamous cell carcinoma, 20 cases of basal cell carcinoma, 10 cases of keratoacanthoma and 6 cases of Bowen's disease were stained immunohistochemically stain with anti p53 and anti bcl-2 monoclonal antibody. Results : 1. In squamous cell carcinoma, the reaction of p53 was positive in 13 cases(86%) and the stain pattern showed more intensive reaction in poorly differentiated cells in the same tumor. bcl-2 showed negative in all cases of squamous cell carcinoma(0%). 2. In basal cell carcinoma, the reaction of p53 was positive in 10 cases (50%). The positive cells were mainly observed in squamous metaplastic portion, but the reaction was weak. bcl-2 showed positive in all cases of basal cell carcinoma (100%) and the reaction was strong. 3. In keratoacanthoma, p53 was positive in 7 cases (70%). The positive cells were mainly observed in the cells around the basement membrane. This finding suggested that p53 positive basal cells were programmed to become keratoacanthoma. bcl-2 was negative in all 10 cases of keratoacanthoma. (0%) In some cases, bcl-2 positive cells were observed around the basement membrane in some cases., which were negative to p53 This finding suggested that the existence of these bcl-2 positive cells were related to the prognosis of keratoacanthoma. 4. In Bowen's disease, p53 was positive in 5 cases ( 83% ) and the reaction was strong, so the tumor cells in Bowen's disease appeared to be poorly differentiated type. bcl-2 was negative in all 6 cases ( 0% ) of Bowen's disease, but bcl-2 positive cells were observed in the basement membrane in some cases.

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