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강숭구,장원식,김성훈,김상운,한상원,이용승 대한비뇨의학회 2021 Investigative and Clinical Urology Vol.62 No.5
Purpose: We compared the intraoperative and postoperative outcomes of single-port robot-assisted laparoscopic pyeloplasty (S-RALP) using the da Vinci SP® system and conventional multi-port robot-assisted laparoscopic pyeloplasty (M-RALP) in pediatric patients. Materials and Methods: Multi-port and single-port pyeloplasty have been performed in pediatric patients in our institution since October 2015 and February 2019, respectively. We conducted an entire cohort comparison. Considering the learning curve of M-RALP, we defined the last 15 cases of M-RALP as a subgroup of M-RALP and compared this subgroup with the entire cohort of S-RALP patients. Results: Thirty-one patients who underwent multi-port pyeloplasty and 15 patients who underwent single-port pyeloplasty were enrolled in this study. Age, height, body weight, laterality, surgical indication, and ipsilateral differential renal function were statistically similar in the M-RALP and S-RALP groups. The median operative time (3.0 h vs. 2.4 h; p=0.01) and the median console time (2.2 h vs. 1.5 h; p<0.001) were longer in the M-RALP group than in the S-RALP group. There was no significant difference in operative time or console time between the M-RALP subgroup and the S-RALP group. There were no significant differences in the length of hospitalization, pain score, morphine-equivalent use of analgesics, or postoperative differential renal function in all comparisons. Conclusions: This study confirmed that pyeloplasty using the da Vinci® SP system can be started by robotic surgeons who can overcome the learning curve. Robot-assisted laparoscopic single-port pyeloplasty is feasible in noninfant pediatric patients.
이윤규(Lee Yoon Gyu) 한국근현대미술사학회 2010 한국근현대미술사학 Vol.21 No.-
Psychological warfare was born based on the humanism to solve the conflicts and discord without war, this idea come along with win-win strategy. Therefore, it is the strategy we call win strategy to achieve only purpose of the war with minimum casualties. From this viviparity background, psychological warfare’s definition is that the organized and well planned execution including propaganda and all other activities targeting on nations, groups, organizations, individual, all their attitude, emotions, actions to induce advantages for the nations do psychological warfare. The Korean wa r conta ins ideolog y, but the psychological warfare was spreaded most actively in history of war. This research paper touch to analyze the trend of psychological warfare conducted by two parties(norht and south) focusing on the leaflets and study lesson to learn, is projecting direction to graft together in military security, dealing north Korean and unification policy. The result from the analysis of psychological warfare during the Korean war, the overwhelming power can win the battle, but can’t make knee down their enemy psychologically which is their purpose of war. And also we see the psychological warfare do critical role to gain strategic object and deter war. Therefore we need to adapt the lesson to learn more positively during the Korean war for the enhancement of deterrence capability and the victory with minimum damage or the method of unification strategy. For this approach, we should understand the intention and substantial purpose of north Korea’s various instigating propaganda, must not be psychological shake. Political and militar y leadership should new realization about psychological warfare role and function, while preparing the operation readiness and psychological strategy and psychological warfare technique study that is required should be solidified more for the power of silent leaflet bombs.
전 방위 총력안보태세 확립 연구 - 민관군 통합방위체계 재정립 방안을 중심으로-
이윤규 ( Lee Yoon Gyu ) 미래군사학회 2016 한국군사학논총 Vol.5 No.2
All-round total security readiness comply with the changed security concept, and should be developed according to our security environment. The concept of security against the traditional military threat has been developed as a slogan of the independent national defense. But in the circumstances of globalization of 21st century, the concept of security has been remarkably changed and expanded from the traditional military threat to the military and non-military domains. This means the concept of traditional independent national defense could not guarantee us the national security. The newly emerging security threats such as cyber warfare, terrorism, GPS jamming, natural and social disaster, etc should be included in the integrated defense planning process. Furthermore the demand of civilian sector`s active participation to National Defense Organization which are mainly organized by the elements of national defence such as military, police and national agencies has been increasing. The detailed requirements are as follows. Firstly, the concept of integrated defense should be developed to response effectively newly emerging national security threats both wartime, peace time and military, non-military threats. Secondly, the condition of the declaration and the phase of integrated defense posture should be simplified to meet the comprehensive national security concept according to wartime and peace time. Thirdly, the defense system of the nationally and socially critical infrastructures should be effectively updated according to the expanded military, non-military threats and changing integrated defense environment as the integrated defense role. Fourthly, central administrative agencies need to construct all-round national security systems and to execute their missions with the local autonomous entity to enhance all-round natinoal security. And all issues should be legislated. Fifthly, for the quick reaction in the initial stage and prevention of terror which becomes internationally daily incidents, the integrated defense law and counter terrorism law should be updated to clear the any conflicts between agencies, and the road to seamless coordinations. Sixthly, national level of disasters such as the demage from typhoon, earthquake, infectious disease, environmental problem should be effectively resolved involving the national integrated defense elements timely. Lastly, Suggestions presented above should be reviewed through top-down and bottom-up process to avoid any conflicts and to implement the specified role by updating laws and systems. Additionally, north Korea`s aggression become increasing really as national security threats, and we have been experiencing the national level of natural and social disasters such as current Kyungjoo earthquake, typhoon "maemi" and Daegu metro explosion incident and Saewolho sinking incident, etc. Therefore, The requirements of newly developed concept for national security from military and non-military threats in wartime and peace time from individuals to national systems, and the critical issues of the integrated defense systems(civil, administrative and military) should be executed in timely manner.
소형챔버를 이용한 건축자재의 휘발성유기화합물과 폼알데하이드 방출량 평가
강윤경(Yoon-Kyung Kang),김현진(Hyun-Jin Kim),이윤규(Yun-Gyu Lee) 한국실내환경학회 2008 한국실내환경학회지 Vol.5 No.3
This study was performed to analysis the concentration of TVOC, 5VOC and formaldehyde for building material of total 262 using 20L test chamber. The concentration of TVOC, 5VOC and formaldehyde were measured 1.001㎎/㎡ㆍh, 43.032㎍/㎡ㆍh, 0.012㎎/㎡ㆍh, respectively. TVOC concentration of paint and floor covering occupied the largest concentration of the indoor building materials as 2.689㎎/㎡ㆍh, 2.120㎎/㎡ㆍh, respectively. 5VOC concentration of floor covering was measured 106.636㎍/㎡ㆍh. Toulene and xylene were occupied the largest part of the 5VOC as 51.2% and 33.1%, respectively. The concentration of formaldehyde for furniture materials occupied the largest concentration of the indoor building material as 0.072㎎/㎡h.
소형챔버를 이용한 건축자재의 휘발성유기화합물과 폼알데하이드의 흡착성능에 관한 연구
강윤경(Kang Yoon-Kyung),임정연(Lim Jung-Yeon),장성기(Jang Seong-Ki),이윤규(Lee Yun-Gyu) 대한건축학회 2009 대한건축학회논문집 Vol.25 No.5
In this study, we are investigate for functional building materials such as hygrothermal, adsorption, mold or bacteria growth resistance, an anion emission, far-infrared radiation functional building material in Korea. Also, the performance of sorptive building materials to indoor air pollutant is studied in this paper. The effects of sorptive building materials with respect to reduction of BTEXS(Benzene, Toluene, Ethylbenzene, Xylene, Styrene) mixed gas and formaldehyde concentrations were evaluated during 7days using the small chamber system. A ceiling board(product A) and a wall board(product C) showed decreasing effects of 89% and 92% for formaldehyde, respectively. Also, another wall board(product D) showed decreasing effect of 66% for BTEXS mixed gas. However, another ceiling board(product B) showed no significant decreasing effect.