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빌라조경 설계사례에 관한 연구 : Case Study of Jang-chung Dong Villa
김동찬,이윤수,유재설,박익수,임동민,임상재 경희대학교 부설 디자인연구원 1998 예술· 디자인학연구 Vol.1 No.1
The goal of this study is to propose a plan for the Jang-Chung Dong Villa. This Villa is located on Jang-Chung Dong Jung-Gu, Seoul. And, this place is where high-class residential area. This Site area covers about 1925.6m². This base idea of this plan is to provide a community of dwelling houses with identity and amenity in outdoor spaces in order to create the high-class environment of outdoor spaces. Design principles are established as follow; to make spaces for flexibility in the garden related activities, to provide many chances to contact with nature, and to feel pride in the villa life.
Wireless pressure sensor integrated with a 3D printed polymer stent for smart health monitoring
Park, Jongsung,Kim, Ji-Kwan,Kim, Dong-Su,Shanmugasundaram, Arunkumar,Park, Su A,Kang, Sohi,Kim, Sung-Ho,Jeong, Myung Ho,Lee, Dong-Weon Elsevier 2019 Sensors and actuators. B Chemical Vol.280 No.-
<P><B>Abstract</B></P> <P>The primary objective of this study was to deploy a promising wireless pressure sensor system capable of monitoring real-time biological signals in an experimental object. MEMS-based micromachining technology was used to fabricate the proposed SU-8 wireless pressure sensor. The sensor utilizes a capacitor-inductor resonant circuit that can operate the sensor without any external power supply. The variable capacitor in the pressure sensor is designed to change the resonance frequency (130, 183 MHz) in response to applied pressure. The fabricated wireless pressure sensor was integrated into a polymer-based smart stent to minimize the discomfort of medication administration and hospital visits. A 3D bio-printing-based manufacturing technique was employed for the production of a smart polymer stent with complicated shapes. The proposed method is considerably more comfortable than the conventional metal stents fabrication process. The polymer smart stent made of the biocompatible polycaprolactone (PCL) material which can be fully absorbed by the body after a medication period. After integrating the fabricated wireless pressure sensor with the polymer smart stent, various basic experiments such as the working distance of the sensor were performed using a simple experimental setup. The biocompatibility of the proposed polymer stent and the wireless pressure sensor was also successfully confirmed using an experimental animal. The preliminary investigation results indicate that the proposed wireless sensor can be used to obtain necessary information in various parts of the human body as well as the stent.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Fabrication of SU-8 based wireless pressure sensor for battery-less operation. </LI> <LI> Manufacturing of biodegradable polymer stent using 3D printing technique. </LI> <LI> Integration of wireless pressure sensor into polymer stent for real-time blood pressure monitoring. </LI> <LI> Verification of the biocompatibility of smart stent and its operation with experimental animals. </LI> <LI> Continuous measurement of blood pressure change in animals for more than 3 months. </LI> </UL> </P>
Dong‑Su Bae,Un‑Bong Baek,Seung‑Hoon Nahm,Ilguk Jo 대한금속·재료학회 2022 METALS AND MATERIALS International Vol.28 No.2
This study investigated the effect of the hydrogen charging time on the hydrogen embrittlement of hot-rolled and acceleratedcoolingtreated API X70 steel by using the electrochemical hydrogen charging method. Tensile and V-notch Charpy impacttest were completed for the specimens of hydrogen charged for 0, 2, 4, and 10 h, and then microstructural observation wereperformed. The tensile and yield strength tended to decrease slightly and the total elongation started to decrease rapidly up to2 h charging time and then these gradually decreased with the hydrogen charging time. The post-uniform elongation increasedslightly after the holding time of 2 h due to the occurrence of two-step stress reduction phenomenon and its mechanismhas suggested. The effect of the hydrogen embrittlement on impact absorption energy according to the hydrogen chargingtime were also investigated. The fracture surface of the hydrogen charged ones are generally composed of cleavage fracturesurfaces. It was demonstrated that the external cracks were formed on the outside of tensile tested specimen and the externalshape of the fracture portion was fractured without large elongation at hydrogen charged specimens.
치매(痴매)의 침구치료(鍼灸治療)에 대(對)한 문헌적(文獻的) 고찰(考察)
김동석 ( Dong Suk Kim ),권순철 ( Sun Chul Kwon ),서상수 ( Sang Su Seo ) 대한경락경혈학회 2004 Korean Journal of Acupuncture Vol.21 No.2
Objectives: This study is designed to investigate the pathology, acupuncture and moxibustion therapy applicable of the dementia through literature of oriental medicine. Results: The findings of this study are as follows; 1. The cause of dementia is internal damage of seven emotions(七情內傷), deficiency of the kidney essence(腎精不足), retention of dampness in the mental(痰迷心竅). 2. The acupuncture meridians used often for dementia are Tok-maek(GV), Chok-t`aeyang Pang-gwang-Kyong(BL), Chok-yangmyong Wi-Kyong(ST), Su-gworum Shimp`o-Kyong(PC), Su-soum Shim-Kyong(HT). 3. The spots on the body suiTable for acupuncture used for therapy of the dementia are 98 points and extra points are 6 points, total therapeutic acupunture points are 104 points. And acupunture points are frequently used Shinmun(神門-HT7, 24), Paek`oe(百會-GV20, 19), Chok-samni(足三里-ST36, 18), Sugu(水溝-GV26, 17), P`ungnyung(豊隆-ST40, 16), Taech`u(大椎-GV14, 14), Samumgyo(三陰交-SP6, 14), Shimsu(心兪-BL15, 14), Taenung(大陵-PC7, 11), Nogung(勞宮-PC8, 11), Sosang(少商-LU11, 10), Kansa(間使-PC5, 10), Naegwan(內關-PC6, 10). 4. The acupoints used often on moxibustion are Paek`oe(百會-GV20), Chang-gang(長强-GV1), Taech`u(大椎-GV14), Kansa(間使-PC5). Conclusion: It is recommended that further study of many sided investigations in the future.
Yun, Dong-Jin,Kim, Seyun,Jung, Changhoon,Lee, Chang-Seok,Sohn, Hiesang,Won, Jung Yeon,Kim, Yong Su,Chung, JaeGwan,Heo, Sung,Kim, Seong Heon,Seol, Minsu,Shin, Weon Ho The Royal Society of Chemistry 2018 Physical chemistry chemical physics Vol.20 No.4
<P>Correction for ‘Direct characterization of graphene doping state by <I>in situ</I> photoemission spectroscopy with Ar gas cluster ion beam sputtering’ by Dong-Jin Yun <I>et al.</I>, <I>Phys. Chem. Chem. Phys.</I>, 2018, 20, 615-622.</P>
치매(痴?)의 침구치료(鍼灸治療)에 대(對)한 문헌적(文獻的) 고찰(考察)
김동석,서상수,권순철,Kim, Dong-Suk,Seo, Sang-Su,Kwon, Sun-Chul 경락경혈학회 2004 대한침구의학회지 Vol.21 No.2
Objectives : This study is designed to investigate the pathology, acupuncture and moxibustion therapy applicable of the dementia through literature of oriental medicine. Results : The findings of this study are as follows ; 1. The cause of dementia is internal damage of seven emotions(七情內傷), deficiency of the kidney essence(腎精不足), retention of dampness in the mental(痰迷心竅). 2. The acupuncture meridians used often for dementia are $Tok-maek(GV),\;Chok-t'aeyang\;Pang-gwang-Ky\check{o}ng(BL),\;Chok-yangm\check{o}yng\;Wi-Ky\check{o}ng(ST),\;Su-gwor\check{u}m\;Shimp'o-Ky\check{o}ng(PC),\;Su-so\check{u}m\;Shim-Ky\check{o}ng(HT)$. 3. The spots on the body suiTable for acupuncture used for therapy of the dementia are 98 points and extra points are 6 points, total therapeutic acupunture points are 104 points. And acupunture points are frequently used Shinmun(神門-HT7, 24), Paek'oe(百會-GV20, 19), Chok-samni(足三里-ST36, 18), Sugu(水溝-GV26, 17), P'ungnyung(豊隆-ST40, 16), Taech'u(大椎-GV14, 14), $Sam\check{u}mgyo(三陰交-SP6,\;14)$, Shimsu(心兪-BL15, 14), $Taen\check{u}ng(大陵-PC7,\;11)$, Nogung(勞宮-PC8, 11), Sosang(少商-LU11, 10), Kansa(間使-PC5, 10), Naegwan(內關-PC6, 10). 4. The acupoints used often on moxibustion are Paek'oe(百會-GV20), Chang-gang(長强-GV1), Taech'u(大椎-GV14), Kansa(間使-PC5). Conclusion : It is recommended that further study of many sided investigations in the future.
박정삼,손동수,이상훈,김진태,한세현,장기택,김종철 大韓小兒齒科學會 1996 大韓小兒齒科學會誌 Vol.23 No.2
It has widely known for speech problem in patients with malocclusion,but there have been insufficient studies on degrees of serverity.Patients with openbite and CIⅢ malocclusion usually have speech problem.It has widly known that fricative /s/ is pronunciated most abnomally in CIⅢ malocclusion than any other consonant.Therefore 20 childen with anterior crossbite selected for control group.7 sounds such as /사(sa),서(sδ),소(so),수(su),스(sω),시(si),세(se)/ were recorded,and the formants and formants ratio were measured by using Sensimetric Speech Station,which is speech analyzing program in IBM pc. The results were as follows: 1.In anterior crossbite group,F1 of all 7 sounds were significantly higher than normal anterior relationship group(P<0.05). 2.There were no significant difference in F2 between two groups except/소(so),수(su)/(P>0.05). 3.In anterior crossbite group,F2/F1 ratio of all 7 sounds were significantly smaller than normal anterior relationship group(P<0.05). 4.There were no significant difference in accordance with tongue position(P>0.05).