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오호혈(五虎穴)이 족과부(足踝部) 체표온도변화(體表溫度變化)에 미치는 영향(影響)
김현중,변재영,안수기,이건목,박용현,김경식,Kim, Hyun-Jung,Byun, Jae-Young,Ahn, Soo-Gi,Lee, Geon-Mok,Park, Yong-Hyun,Kim, Kyung-Sik 대한침구의학회 2001 대한침구의학회지 Vol.18 No.1
Background and Purpose : There have been many studys about the relationship between the meridians and the acupoints of the twelve meridians, but no study about the extra points. To verify Dong-Shi acupoints, a kind of extra points, we studied the effects on the thermal changes of the ankle region following acupuncture on the Wu-Hu. Object and Methods : This study was researched into clinical statistics for 45 healthy normal students. The object was divided into two groups. One was the control group and the other was the acupuncture group. The acupuncture group was divided into two groups ; ACU-up : The class of ascent thermal change among acupuncture group. ACU-dn : The class of descent thermal change among acupuncture group. First, in the control group, we took a picture at the ankle region(BL60, BL62, GB40, ST41) without any stimulation with the Digital Infrared Thermal Imaging System and did after 10 minutes respectively. Second, in the acupuncture group, we took a picture without any stimulation and then acupuncture on Wu-Hu and took a picture after 10 minutes in the same way respectively. Results : 1. In the control group, average thermal change of BL60, BL62, GB40 and ST41 was decreased(about $0.2^{\circ}C$) after 10 minutes. 2. The skin temperature of all measured parts was significantly lower in the ACU-dn group after 10 minutes. 3. There were no significant differences of thermal change between the control and the acupuncture group, between the control and ACU-up group after 10 minutes. Conclusion : This result indicated that the acupuncture on the Wu-Hu was effective at the ankle region. And so the more study is needed continuously.
토양에서 분리한 국내 미기록종 Pseudomonas 속 6종의 생화학적 특성과 계통 분류
김현중,정유정,김해영,허문석,Kim, Hyun-Joong,Jung, You-Jung,Kim, Hae-Yeong,Hur, Moonsuk 한국미생물학회 2019 미생물학회지 Vol.55 No.1
생명공학산업의 주요한 자원인 미생물의 가치는 날로 증대하고 있으며, 이로 인해 생물자원을 확보하기 위한 국가간의 경쟁은 심화되고 있다. 이에 다양한 환경에서 미생물자원을 발굴하고 특성을 확인하는 것은 미래의 잠재적 생물자원을 확보하는데 큰 의미가 있다. 본 연구에서는 Pseudomonas속에 속하는 6종의 미생물들을 일반 토양에서 분리하여 분자계통학적 분석을 통해 국내 미기록종임을 확인하였다. 본 연구로 확보된 미생물들은 자생 생물자원의 다양성을 늘리고, 산업계에 생물자원의 선택의 폭을 늘리는데 도움이 될 것으로 기대된다. In 2017, as a study to discover indigenous prokaryotic species in Korea, a total of 6 bacterial strains assigned to the genus Pseudomonas were isolated from soil. From the high 16S rRNA gene sequence similarity (${\geq}99.5%$) and phylogenetic analysis with closely related species, the isolated strains were identified as independent Pseudomonas species which were unrecorded in Korea. The six Pseudomonas species were Pseudomonas mandelii, P. canadensis, P. thivervalensis, P. jessenii, P. lurida, and P. brenneri. Gram reaction, culture conditions, colony and cell morphology, basic physiological and biochemical characteristics are described in the species description section.
김현중,이삼로,변재영,안수기,Kim Hyun-Jung,Lee, Sam-Ro,Byun Jae-Young,Ahn Soo-Gi 대한침구의학회 2000 대한침구의학회지 Vol.17 No.3
Objectives : This study was performed to evaluate the clinical results of the spodylolisthesis patients treated with oriental medical methods. Methods : We diagnosed spondylolisthesis by L-spine simple x-ray. 28 patients with spondylolisthesis were hospitalized at WonKwang University KwangJu Oriental Medical Hospital from April 1997 to January 2000 and treated by acupuncture, moxibustion, bed rest, herb-medicine and physical therapy. Results : 1. Distribution showed female predominence(82.1%) in general. 2. In the duration of symptoms, the largest group was the group of "acutest" (32.1%). 3. In the distribution of causes, the largest group was "overwork" (35.7%). 4. Isthmic type is the most common(75%) in etiology. 5. Isthmic type involved the 5th lumbar vertebra in 57.1% and degenerative type involved the 4th lumbar vertebra in 57.1%. 6. Most of cases were grade I(96.4%) in degree of slipping. 7. The common symptoms were radiating pain(92.9%) and low back pain(78.6%). 8. Therapeutic efforts above "good" by Kim's criteria was 20 cases(71.4%) Conclusions : The result of treatment by oriental medical methods is satisfactory for the treatment of spondylolisthsis.
김현중(Hyun-Jung Kim),서유덕(Yu-Deok Seo),박상훈(Sang-Hoon Park),윤성기(Sung-Kie Youn),이승훈(Seung-Hoon Lee),이덕규(Deog-Gyu Lee),이응식(Eung-Shik Lee) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.5
The optical performance of the mirror for satellite camera is highly dependent on the adhesive properties between the mirror and its support. In order to design a mirror with high optical performance, the mechanical properties of adhesives should be well defined. In this research, the mechanical properties of three kinds of space adhesives are studied. In case of the materials which show nearly incompressible behavior such as space adhesives, it is important to measure shear modulus which governs deviatoric stress components. Shear moduli of the adhesives are determined by using single lap adhesively bonded joint. For the shear tests, several points have been selected from - 20℃ to 55℃ which is operating temperature range of the adhesive. The shear modulus of each adhesive is expressed as a function of temperature. Characteristics of the adhesives are discussed regarding their temperature sensitivity. The analysis results of RMS wavefront error w.r.t shear modulus are presented.
김현중(Hyun-Jung Kim) 대한전기학회 2011 전기학회논문지 P Vol.60 No.4
This paper is presented for robot vacuum cleaners using BLDC motors. Recently, BLDC motors which require smaller size, lower sound noise and higher efficiency have been placed in high value-added products including robot vacuum cleaners, vehicle cars and other industry applications. The DC motors have higher sound noise, higher height of the size and lower efficiency due to electro-magnetic structure using the brushes and the commutators. The proposed BLDC motors are appropriate for the motors adequate in regards to higher efficiency, longer life cycle time, and smaller height of the size when robot vacuum cleaners go to some lower height of the space like under sleeping beds and because it"s power source is batteries. The paper shows the performance of the BLDC motors designed by the Finite Element Analysis(FEA) of the electro-magnetic field. This paper shows the mechanical structure and the prototype of the motor with the impeller. The performance characteristics of the BLDC motors with the hall sensor controller are verified by the experimental results.