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어려운 기도를 가진 환자에서 Airwayscope, 직접 후두경, 광봉을 이용한 기관내 삽관에 따른 심혈관계 반응의 비교
전명숙 ( Myong Sook Jeon ),김종수 ( Chong Soo Kim ),허진 ( Jin Huh ),민성원 ( Seong Won Min ),노영진 ( Young Jin Ro ),김대욱 ( Dae Wook Kim ),김덕경 ( Duk Kyung Kim ) 대한마취과학회 2009 Korean Journal of Anesthesiology Vol.57 No.3
Background: Airwayscope (AWS), which has been used successfully for difficult airway in general anesthesia, has been anticipated that hemodynamic response to tracheal intubation in the difficult airway may be attenuated. Also, there is a series of reports demonstrating the successful use of lightwand to open the difficult airway. Thus, we decided to conduct a survey to compare AWS to lightwand and to direct laryngoscopy of cardiovascular response to tracheal intubation. Methods: Of 64 healthy patients without cardiovascular disease, 22, 21, 21 patients were randomly assigned to AWS group, lightwand group and direct laryngoscope group. After induction of general anesthesia, intubation was performed with manual in-line neck stabilization. During laryngoscopy, a modified Cormack-Lehane grade was assessed and time to intubation was measured. Systolic arterial pressure (SAP) and heart rate (HR) were recorded at the following timepoints: baseline, just before intubation, 1 min, 2 min, 3 min, 4 min and 5 min after intubation. Results: There were no significant differences between the 3 groups in SAP, HR (P>0.05). However modified Cormack-Lehane grade of all patients in the AWS group was I, while that in direct laryngoscope group was IIB or III. In addition, the mean time to intubation of the direct laryngoscope group was significantly longer than that of the AWS and lightwand (P<0.05). Conclusions: In the difficult airway, AWS was very effective in improving laryngeal view and decreasing time to intubation compared to direct laryngoscopey. In addition, lightwand reduced the time to intubation. However we could not find any significant difference in hemodynamic response to tracheal intubation among the 3 groups. (Korean J Anesthesiol 2009;57:284∼9)
지식 및 혁신유형이 기업 활동에 끼치는 영향에 관한 연구 -중국내 다국적 기업을 중심으로-
민성기 ( Sung Ki Min ),은종학 ( Jong Hak Eun ) 한중사회과학학회 2011 한중사회과학연구 Vol.9 No.1
In the process of MNCs business development in China, MNCs have utilized the competitive edge of technology in product development and process innovation (Science Technology and Innovation), while local Chinese firms have shown strongpoint in marketing and communication with customers (Doing, Using and Interacting). However, it is has yet to be answered how MNC`s innovation mode and their knowledge type have impact on their business activities. To tackle this research question, this study, based on the assumption that 1) forms of knowledge and modes of innovation are interrelated and 2) the dominant mode of innovation exist in firm`s activity, is aimed at explaining the effectiveness of knowledge inflows by using the variance in forms of knowledge and innovation modes, unlike most empirical studies on knowledge transfer which have explained knowledge mechanism in terms of organizational and institutional factor. The empirical result from surveying 148 respondents from China-based multinational subsidiaries, shows that marketing and service knowledge, mostly based on DUI mode, is obviously superior to manufacturing and research and development knowledge, mostly based on STI mode, in terms of knowledge transfer effectiveness, implying that successful business has to include proactive communication with market and customer as well as sophisticated service. This finding means that MNCs in China have to streamline their business strategies towards more service and marketing oriented directions as they have already done in developed market.
민성기(Min, Sung Ki) 대구대학교 인문과학연구소 2012 人文科學硏究 Vol.38 No.-
The recent emergence of Beijing consensus has came from the recognition of China"s influence in world economy as well as its political nd societal development model. Since Beijing consensus itself does not aim to build up a universal form of development model, it is quite inappropriate to criticize that it lacks in universality in comparison with western"s Washington"s consensus. Rather. it is quite meaningful to recognize and understand the context where Beijing consensus is engaged and consequences that it brings about.
김제 벼-보리 이모작 논에서 벼 재배기간동안의 CO2 및 에너지 플럭스의 계절적 변화
민성현 ( Sung Hyun Min ),심교문 ( Kyo Moon Shim ),김용석 ( Yong Seok Kim ),정명표 ( Myung Pyo Jung ),김석철 ( Seok Cheal Kim ),소규호 ( Kyu Ho So ) 한국농림기상학회 2013 한국농림기상학회지 Vol.15 No.4
본 연구는 전라북도 김제시 부량면 신용리의 벼-보리 이모작 논에 설치된 플럭스 관측시스템에서 2012년 벼 재배기간동안(6월 9일~10월 20일)에 연속적으로 관측된 플럭스자료를 활용하여, 논 생태계와 대기간의 CO2 및 에너지(현열, 잠열) 교환량의 계절적 변화를 분석하였다. CO2 및 에너지의 교환량은 미기상학적인 에디공분산법으로 추정하였고, 환경인자(순복사, 강수량 등)와 작물체 생육량(엽면적지수, 초장 등)도함께 측정·조사하였다. 관측된 플럭스자료는 보정과 결측보충의 과정을 거친 후 분석에 활용되었다. 결론적으로, 벼-보리 이모작 논 생태계에서 벼 재배기간동안의 CO2의 순생태계교환량(NEE)과 총일차생산량(GPP) 및 생태적호흡량(Re)은 각각 단위면적(m2)당-277.1, 710.3, 433.2g C로 분석되었다. Based on the results of continuous flux measurements at the Gimje paddy flux site in the southwestern coast of Korea, carbon dioxide and energy exchanges between customarily cultivated rice-barley double cropping paddy field and the atmosphere during the 2012 rice growing season (from 9th Jun. 2012 through 20th Oct. 2012) were analyzed. Carbon dioxide and energy (H, LE) fluxes were estimated by the eddy covariance method. Environmental parameters (net radiation, precipitation, etc.) and plant biomass (LAI, plant height, etc.) were measured along with fluxes. After the quality control and gap-filling, the observed fluxes were analyzed. The results have been showed that net ecosystem exchange (NEE), gross primary production (GPP), and ecosystem respiration (Re) during the rice cropping period were -277.1, 710.3, and 433.2 g C m-2, respectively.