http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
류마티스 관절염 환자에서 발생한 연합건의 석회성 건염 - 증례보고 -
이창훈,김성재,이승훈,구민회,이봉근,Lee, Chang-Hun,Kim, Sung-Jae,Lee, Seung-Hun,Koo, Min-Hoi,Lee, Bong-Gun 대한정형외과초음파학회 2012 대한정형외과 초음파학회지 Vol.5 No.1
석회성 건염은 건의 부착부 주변에 발생하는 병변으로 견관절에서는 주로 극상근의 대결절 부착 부위의 근위부에 발생하는 경우가 대부분이다. 저자들은 류마티스 관절염을 가진 환자에서 발생한 상완 이두근 단두건과 오구상완근의 연합건의 석회성 건염을 초음파 검사를 통해 진단한 증례를 경험하여 보고하는 바이다. Calcific tendinitis usually occurs within the area where tendon inserts to bone. In the shoulder joints, most cases occur within the supraspinatus tendon just proximal to the greater tuberosity. We report a rare case of calcific tendinitis occurred within the conjoined tendon of coracobrachialis and short head of biceps brachii in a patient with rheumatoid arthritis, diagnosed by means of ultrasonographic evaluation.
Reducing Phosphorus Release from Paddy Soil by Coal Ash and Phospho-Gypsum Mixture
이창훈,Young Bok Lee,Hyub Lee,Byung Yun Ha,Pil Joo Kim 한국환경농학회 2005 한국환경농학회지 Vol.24 No.1
As a silicate source to rice, a coal ash was selected and mixed with phosphor-gypsum (50:50, wt wt-1) to reduce the potential of boron toxicity and to supply calcium element. We expected that high con- tent of calcium in this mixture might convert water-soluble phosphorus to less soluble forms and then reduce the release of soil phosphorus to surface runoff. The mixture was applied with the rate of 0, 20, 40, and 60 Mg ha-1 in paddy soil (Nagdong series, a somewhat excessively drained loamy fine sand) in Daegok, Jinju, Korea The mixture reduced significantly water-soluble phosphorus (W-P) in the surface soils by shifting from W-P and Fe-P to Ca-P and Al-P during whole rice cultivation. In contrast with W-P, plant available phosp- horus increased significantly with the mixture application due to high content of phosphorus and silicate in the mixture. The mixture of coal ash and phosphor-gypsum (50:50, wt wt-1) would be a good alternative to reduce a phosphorus export in rice paddy soil together with increasing rice yields.
이창훈,Lee, Chang-Hun 한국항공우주산업진흥협회 1997 航空宇宙 Vol.51 No.-
세계 항공기산업계가 변하고 있다. 대형기업들이 대거 합병하면서 완제기사업은 이들만의 전유물이 되어버린 듯하고 세계 각지의 관련업체들은 보잉과 에어버스 진영으로 양분되어 새로운 프로젝트에 참여함으로써 기체사업으로서의 판로를 모색중이다.
이창훈,노준모,김태승,Lee, Chang-Hun,Noh, June-Mo,Kim, Tai-Seung 대한근골격종양학회 2012 대한골관절종양학회지 Vol.18 No.1
베이커씨 낭종은 슬관절 주위에서 가장 흔하게 나타나는 낭종성 종양으로서, 슬와부의 내측에서 보통 반막양근(Semimembranosus m.)과 비복근(Gastrocnemius m.)의 내측두 사이에서 발견된다. 그리고 다른 곳에 위치하는 경우도 드물게 보고되고 있지만, 주변 근육내로 확장된 베이커씨 낭종은 그 증례를 찾아보기는 쉽지 않다. 저자들은 비복근의 외측두와 슬와건(popliteus tendon) 사이에 위치한 베이커씨 낭종이 주변 족척근(plantaris m.)내로 확장(extension)된 매우 드문 증례를 경험하였기에 문헌 고찰과 함께 보고하는 바이다. Baker's cyst is found as most frequent cystic mass around the knee occurring between medial head of gastrocnemius muscle and semimembranosus muscle. The proximal or posterolateral extension of the cyst had been rarely reported and the cyst into the surrounding muscular tissue extremely rare. Intramuscular Baker's cyst that we report was found between lateral head of gastrocnemius muscle and popliteus tendon, and then extended into the plantaris muscle. With review of the literature, we here report a very rare case of plantaris muscular extension of Baker's cyst.
퍼지제어에 의한 전동 휠 체어의 경로속도 보정에 관한 연구
이창훈,문철홍,홍승홍,Lee, Chang-Hun,Mun, Cheol-Hong,Hong, Seung-Hong 대한의용생체공학회 1992 의공학회지 Vol.13 No.4
In this study, Fuzzy control algorithm to generate a change of rocomotion condition according to an outer environment is introduced on a motorized wheelchair control. An optimal control rule for conquesting the less of safety and system Inefficiency in the past are given to this motorized wheelchair. And dynamic analysis Is also adopted to it. Using those rules, a proportional control was possible when the vehicle changed Its moving direction. The proposed method which considers the relationship between a moving velocity and the command from the joystick shows better performance in the change of moving direction.
사진측량법을 이용한 대덕전파천문대 13.7미터 안테나의 경면 조정
이창훈,정재훈,강현우,김현구,이영웅,정진오,손영득,배민수,Lee, Changhoon,Jung, J.H.,Kang, H.W.,Kim, H.G.,Lee, Youngung,Jung, J.O.,Sohn, Y.D.,Bae, M.S. 한국천문학회 2014 天文學論叢 Vol.29 No.3
We improved the antenna efficiency of the Taeduk Radio Astronomy Observatory (TRAO) 13.7-m radio telescope by adjusting the antenna panels based on digital photogrammetric measurements. First of all, we measured the surface accuracy of the main reflector of this antenna at three elevation angles of $35^{\circ}$, $45^{\circ}$, and $60^{\circ}$. We performed a total of four sets of the photogrammetric measurements and panel adjustments. When adjusting the panels, we positioned the antenna to the zenith and applied the measured data sets at the elevation of $45^{\circ}$. We found that the antenna surface accuracy has been improved by a factor of ~ 3 times after the final adjustment in comparison with the value before the adjustments. And we also found that the antenna surface accuracy tended to be slightly better at the elevation angles of $35^{\circ}$ and $60^{\circ}$ than that at the elevation angle of $45^{\circ}$. After the final panel adjustment, the aperture and beam efficiencies of the telescope have has been improved from 35% to 44%, and from 41% to 51%, respectively.
청소년의 또래애착, 자아탄력성, 학업스트레스 및 스마트폰 중독 간의 구조 관계 연구
이창훈,Chang Hoon Lee 국제문화기술진흥원 2024 The Journal of the Convergence on Culture Technolo Vol.10 No.3
본 연구는 청소년의 또래애착, 자아탄력성, 학업스트레스 및 스마트폰 중독 간의 구조 관계와 직접효과, 간접효과를 분석하는데 그 목적이 있다. 본 연구 대상은 한국육아정책연구소의 아동패널 14차 연구에 참여한 중학생 총1280명의 패널데이터를 활용하였다. 자료분석은 SPSS 24.0과 AMOS 24.0 프로그램을 사용하였다. 연구결과로 아동의 또래애착은 자아탄력성과 정적상관관계, 학업스트레스와 부적상관관계, 스마트폰 중독과는 부적상관관계를 나타냈다. 또래애착과 스마트폰 중독을 제외한 모든 경로가 직접적인 영향관계가 있는 것으로 나타났으며 청소년의 또래애착은 자아탄력성과 부모성취압력을 매개로 하여 스마트폰 중독에 간접효과가 있었다. 결론적으로 청소년의 스마트폰 중독을 낮추기 위해서는 또래애착을 통해 자아탄력성을 증진시키고 학업스트레스를 감소시킬 수 있는 실천적 개입이 필요할 것으로 사료된다. The purpose of this study is to analyze the structural relationship, direct and indirect effects between adolescents' peer attachment, self-resilience, academic stress, and smartphone addiction. The subject of this study used panel data of a total of 1280 middle school students who participated in the 14th study of the Children's Panel of the Korea Child Care Policy Institute. For data analysis, SPSS 24.0 and AMOS 24.0 programs were used. As a result of the study, children's peer attachment was positively correlated with ego resiliency, academic stress and negatively correlated with smartphone addiction. All pathways except peer attachment and smartphone addiction were found to have a direct influence, and adolescents' peer attachment had an indirect effect on smartphone addiction through ego resiliency and parental achievement pressure. In conclusion, in order to lower adolescents' smartphone addiction, practical interventions to improve ego resiliency and reduce academic stress through peer attachment are considered necessary.
칠제향부환(七製香附丸)이 원발성(原發性) 월경통(月經痛) 환자(患者)의 복부(腹部) 온도(溫度)에 미치는 영향(影響)
이창훈,조정훈,장준복,이경섭,윤영진,Lee, Chang-Hoon,Cho, Jung-Hoon,Jang, Jun-Bock,Lee, Kyung-Sub,Yoon, Young-Jin 대한한방체열의학회 2005 대한한방체열의학회지 Vol.4 No.1
Purpose: We intended to observe the relations between Chiljehyangbuhwan and abdominal temperature according to primary dysmenorrhea severity. Methods: We selected the 100 primary dysmenorrhea patients by the screening tests (first screening test-inquiry, second screening test-clinical test, additionally WHR (Waist-to-Hip ratio) by Inbody 2.0). By the fixed blocked randomization and double blind method, Chiljehyangbuhwan or placebo was administered for 1 menstration period. Finally, 69 patients remainded. Before and after administration, we measured 4 points abdominal temperature (Chon-jung(CV17), Chung-wan(CV12), Kwan-won(CV4), Chung-guk(CV3)) by DITI (DOREX Inc., USA). And then we checked the difference of temperature $({\Delta}T)$ between CV17 and CV12 / CV17 and CV4 / CV17 and CV3 / CV12 and CV4 / CV12 and CV3. After that, we compared ${\Delta}T$ with primary dysmenorrhea severity evaluated by VRS (verbal rating scale) and MVRS (multidimensional verbal rating scale). In dysmenorrhea severity, we standardized scale score and 3-group-severity by score (mild, moderate, severe). For statistics, we used Pearson correlations and Spearman's rho correlations, SPSS 11.0 for windows. Results: In case of MVRS, Chiljehyangbuhwan was correlated to ${\Delta}T$ (CV12 and CV3 / CV12 and CV4). In case of VRS, Chiljehyangbuhwan was not correlated to ${\Delta}T$. Statistically they showed significant result (p<0.05). Conclusion: The primary dysmenorrhea patients showed that severity by MVRS was connected with ${\Delta}T$ (CV12 and CV3 / CV12 and CV4) after Chiljehyangbuhwan administration. So we can consider Chiljehyangbuhwan effects the abdominal temperature according primary dysmenorrhea severity.