http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
口腔外科領域의 炎症性疾患에 對한 PROFENID (Ketoprofen)의 治驗成績에 關하여
C G Rhee(李春根),K S Kim(金圭植),B I Min(閔丙一),J W Kim(金宗源),I W Nam(南日祐),D K Yang(梁棟奎) 대한구강악안면외과학회 1976 대한구강악안면외과학회지 Vol.2 No.1
We selected 100 patients necessitating the surgical or non-surgical treatment among the patients who visited our hospital. We administered the newly developed non-steroid, PROFENID capsule (25mg per capsule), to the selected patients Via per OS and obtained the following results. 1) Cases of 56% at about 15 minutes after the administration of Profenid capsules, 35% at about 30 minutes and 6% at 60 minutes or more presented the initial effects of that drug respectively. 2) In the patients with the comparatively heavy swelling, the appearances of the effect of that drug were relatively delayed. 3) Sexual difference was not seen in that drug effect. 4) Untoward effects of that drug seemed to be not found in this case study.
Modified 7050-T7451 알루미늄 합금의 고주기 피로 변형 거동에 미치는 Ca첨가의 영향
김관영(G. Y. Kim),김규식(K. S. Kim),김세광(S. K. Kim),조규상(K. S. Cho),이기안(K. A. Lee) 한국소성가공학회 2013 한국소성가공학회 학술대회 논문집 Vol.2013 No.5
This study examined the microstructures and mechanical and fatigue properties of the recently developed Eco7050-T7451 alloy. Eco7050-T7451 is made using Eco-Mg(Mg-Al₂Ca) in place of the element Mg during the manufacture of alloy 7050-T7451, having economically advantageous and superior properties. In the microstructure observation, average grain size was measured to be 5.2㎛. It consisted of Al matrix containing minute amounts of Al₂CuMg, MgZn₂, And Ca phases and showed microstructure with reduced amounts of Fe phases or oxides. Tensile test exhibited that this alloy had yield strength of 509 MPa, Tensile strength of 559 MPa, elongation of 13.8 %, which showed greater strength than conventional alloy 7050 but the same elongation. Fatigue properties were significantly improved compared to those of conventional alloy (fatigue limit of 350MPa). The superior tensile and fatigue properties of Modified 7050-T7451 alloy were mainly attributed to grain size refinement, homogeneous distribution of 2<SUP>nd</SUP> phases, and reduced oxides.
Eco ADC12(Al-Si-Cu) 합금의 인장 및 고주기 피로 변형 거동
김관영(G. Y. Kim),김규식(K. S. Kim),김세광(S. K. Kim),윤영옥(Y. O. Yoon),이기안(K. A. Lee) 한국소성가공학회 2013 한국소성가공학회 학술대회 논문집 Vol.2013 No.5
The effects of Eco-Mg addition (0.6% and 0.8% wt%) on the microstructure development and tensile, high cycle fatigue properties of Eco-ADC 12 alloys have been investigated. Eco-ADC 12 alloys is made using Eco-Mg(Mg-Al₂Cu) in place of element Mg during the manufacture of alloy ADC 12. Microstructure analysis, tensile test, high cycle fatigue test were conducted in this study. The alloy consisted of α-Al, eutectic Si and Al₂Cu phase whit higher pore fraction. The tensile and high cycle fatigue results indicated that the fatigue strength of the Eco-ADC 12(0.8%) alloy was higher than those of the Eco-ADC12(0.6%) alloy. This study also attempted to clarify the micro-mechanism of fatigue deformation behavior related with its microstructure.
영구자석형 동기전동기의 저속도 제어 특성 개선에 관한 연구
전범수(B.S.Jun),유재성(J.S.Yu),김이훈(L.H.Kim),원충연(C.Y.Won),김규식(G.S.Kim),최세완(S.W.Choi) 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.7(1)
This paper presents the method of speed measurement for permanent magnet synchronous motor(PMSM) with the full-order observer using reduced-order state equation This is able to improve the operating performance at low speed<br/> Therefore, by the proposed technique, a low resolution encoder can be used. Because It make the system Improve the performance of speed response. The proposed method is verified to simulation and experiments
김재문(J.M.Kim),원충연(C.y.Won),최규하(G.H.Choi),김규식(G.S.Kim),목형수(M.S.MOK) 전력전자학회 1999 전력전자학술대회 논문집 Vol.1999 No.7
In this paper, the inverter spot welding system with high efficiency via an instantaneous power control is presented. In spot welding, instantaneous power control is utilized in order to attain less spatter and high welding performance. Also we proposed a PI controller for spot welder system using Evolution Strategy(ES) with varying search space. ES with varying search space which depends on fitness values at each generation is used to tune PI control parameters
PWM 스위칭 기법에 의한 유도전동기 구동시스템의 전도노이즈 저감
김홍주(H.J. Kim),이원철(W.C. Lee),김이훈(L.H. Kim),원충연(C.Y. Won),최세완(S.Y. Choi),김규식(G.S. Kim),정동효(D.H. Jeong) 전력전자학회 2004 전력전자학술대회 논문집 Vol.- No.-
Conventional SVPWM method has null switching vectors. Null switching vectors cause high common-mode voltage in induction motor drive system. The newly developed common mode voltage reduction PWM technique don't use zero switching state for inverter control. It is realized by changing software without additional hardware. Simulation and experimental results show that proposed method are reduced common mode voltage more than conventional method.