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김익규 남서울대학교 경영연구센타 1999 경영연구 Vol.1 No.-
Abstract In this study, we are to propose the theoretical criteria to design integrated accounting information system by surveying the basic concepts of responsibility accounting and office automation and management accounting system. The main contents of this study are as follows : A. responsibility accounting -Organization of decentralized unit and developing a performance measure. -The benefit and cost of decentralization. B. Office automation -The concept of office automation. -The expected benefits of office automation. -The accounting information processing system on office automation system level. C. To design the integrated accounting information system which includes responsibility accounting system. -The important matters to design the integrated accounting system and responsibility accounting system. -The important problem by which the integrated accounting system is confronted. -To design the integrated accounting information system. ☆ The summary of the system ☆ Responsibility accounting system to management divisions. ☆ Input / Output system ☆ File system
열렌즈 효과가 Z-자형 Ti:Sapphire 레이저의 안정성과 비점수차 보정에 미치는 영향
김동익,김규욱,추한태,전윤환 金烏工科大學校 1999 論文集 Vol.20 No.-
We have used ABCD transfer matrix to investigate stability of Z-fold Ti:sapphire laser cavity. Especially, we have examined the effects of radius of concave mirrors and thermal lensing due to pumping laser power on the stability of laser cavity, beam size, astigmatic compensation, etc.
단무지 공장에서 발생한 질식 사고의 원인과 방사선학적 소견: 중례보고 및 가스분석 결과
박충기,김만구,김흥철,안범규,박만수,황우철,최철순,강익원 江原大學校 附設 環境硏究所 1994 環境硏究 Vol.11 No.-
목 적:단무지 공장에서 질식사고를 일으켰던 가스의 종류를 알아내고, 이러한 가스중독의 방서선학적 소견을 소개하기 위하여 본 연구를 하였다. 대상 및 방법:단무지 공장에서 발생한 질식 사고자 3예중 생존자 1예를 대상으로 단순흥부X-선검사와 CT 소견을 분석하였으며, 가스의 종류를 알아내기 위하여 단무지를 유리병에 넣어 발생된 가스를 가스크로마토그래픽을 이용하여 분석하였다. 결 과:단무지 공장에서 발생한 질식사고자중 생존한 1명의 방사선학적 검사에서 신속히 호전되는 폐경결(consolidation)을 볼 수 있었으며 이는 폐부종의 소견임을 알 수 있었다. 협기성 상태에서 단무지를 담은 유리병의 상층부 가스를 실험 분석한 결과 이산화탄소, 에칠알코올이 다량으로 검출되었으나 독성가스는 주로 황화수소이였다. 결 론:단무지 공장의 질식 사고자에서 폐방사선학적 소견은 폐경결을 보이는 폐부증으로서 이는 실험을 통해 단무지에서 발생되는 유독가스인 황화수소 때문임을 입증하였다. Purpose: To identify the main toxic gas released from salted radish in rice bran(Dan-M-Ji) and to introduce the radiological findings of the patient who was exposed to the gas. Materials and Methods: Chest radiographs and CT scans of one survivor among three men who were exposed to the gas from Dan-Mu-Ji were reviewed. Gas obtained from the closed bottle containing Dan-Mu-Ji was analized by using the gas chromatography. Results: The radiographlc examinations of the survivor were suggestive of pulmonary edema with it's rapidly improving consolidations in both lung. The headapace gas within the bottle containing Dan-Mu-Ji was mainly composed with carbon dioxide, ethyl alcohol and hydrogen sulfide, of which hydrogen sulfide was considered the main toxic gas released. Conclusion: Under the anaerobic condition, Dan-Mu-Ji released toxic hydrogen sulfide. Inhalation of hydrogen sulfide might produce non-cardiogenic pulmonary edema.
[PE-0061] Advancement potato breeding for French fries from 2019 to 2021
Jang Gyu Choi(Jang Gyu Choi),Yong Ik Jin(Yong Ik Jin),Gyu Bin Lee(Gyu Bin Lee),Jung Gun Ho(Jung Gun Ho),Do Hee Kwon(Do Hee Kwon),Kwang Ryong Cho(Kwang Ryong Cho),Chung Ki Choen(Chung Ki Choen),Yeong E 한국육종학회 2022 한국육종학회 공동학술발표집 Vol.2022 No.-
Early versus Late Thrombolysis in Acute Arterial Occlusion
( Gyu Ik Lee ),( Wan Kim ),( Sun Ho Hwang ),( Won Yu Kang ),( Sang Cheol Cho ),( Young Eun Jo ),( Sang Woo Jeong ) 대한내과학회 2015 대한내과학회 추계학술대회 Vol.2015 No.1
Background: Acute arterial occlusion of extremities is defined as 14 days or less of duration after onset of symptoms for arterial occlusion. This study was designed to study the efficacy of an early thrombolysis compared with a late thrombolysis in patient with acute arterial occlusion. Methods: We identified all patients discharged from the Gwangju Veterans hospital with a diagnosis of acute arterial occlusion between 2006 and 2014. Total 72 patients received urgent catheter-directed thrmbolysis therapy using urokinase for acute arterial occlusion. The early thrombolysis group ((less than 7 days after the onset of symptoms) was 42 and the late thrombolysis group (7 to 14 days after the onset of symptoms) was 30. The primary outcome was amputation rate at 180 days and the secondary outcomes were all cause mortality at 180days and the increase of ankle brachial blood-pressure index (ABI). Results: Age (74.7 ± 9.4 vs. 75.5 ± 9.5, p=0.729) and sex (95.2% and 100% of male, p=0.225) were not different between two group. There were no significant difference in prevalence of hypertension, diabetes mellitus, dyslipidemia, smoking, peripheral artery disease, coronary artery disease. Amputation rate at 180 days was lower in early thrombolysis group (7.1% vs. 30.0%, p=0.010). The prevalence of atrial fibrillation was higher in early thrombolysis group (40.5% vs. 10.7%, p=0.031). There was no significant difference in mortality rate (16.7% vs. 16.7%, p=1.0) and the increase of ABI (0.69 ± 0.28 vs. 0.60 ± 0.36, p=0.272). In multivariable cox-regression analysis, early thrombolysis reduced the amputation rate at 180 days (HR =0.155, 95% CI=0.034-0.707, p=0.016) Conclusions: Early thrombolysis did differ greatly from late thrombolysis in preventing amputation rate in patients with acute arterial occlusion.
Single Phase Commutation Control of Open-End Winding PMSM Fed by Single DC-Link Dual Inverter
Gyu Cheol Lim,Hyeon-gyu Choi,Jung-Ik Ha 전력전자학회 2019 ICPE(ISPE)논문집 Vol.2019 No.5
This paper proposes a single phase commutation control method of open-end winding permanent magnet synchronous machine operated by a single DC-link dual inverter. For the control of open-end winding PMSM, a per-phase current control method which independently controls each phase is adopted. The proposed method allows the open-end winding PMSM to maintain the output torque while the only single phase of three phase windings conducts. In order to maintain the constant output torque with single phase commutation, modification of current reference is introduced. When a single phase is commutating, the other two phases do not conduct nor does the switching happen. The switching loss is significantly minimized with a small increase of conduction loss resulting in the improvment of overall drive system efficiency. The validity of the proposed control method was verified with simulation result.
Ik-Gyu Jang,Soo-Hee Han,Hong-Seong Park 제어로봇시스템학회 2008 제어로봇시스템학회 국제학술대회 논문집 Vol.2008 No.10
As the recent robots require high performances, accurate synchronization is considered more important. So we need suitable scheduling algorithms, which is deeply related to real-time issue. There are many cases that each sensor, actuator have un-synchronized actions. To solve these problems, we have to benchmark and survey the existing algorithms. We have to find a model to evaluate the performance of different kinds of synchronization mechanisms or scheduling policies, and will validate it by comparing each mechanisms on Matlab Simulink. The model leads to the conclusion that scheduling keeps it’ deadline and make the system approximately synchronization on three servo motors.
The Benefits of Bisoprolol were Comparable with Carvedilol in Secondary Prevention of Acute MI
( Gyu Ik Lee ),( Wan Kim ),( Sun Ho Hwang ),( Won Yu Kang ),( Sang Cheol Cho ),( Kyung Hwan Kim ),( Young Eun Jo ),( Sang Woo Jeong ),( Myung Ho Jeong ),( Young Keun Ahn ) 대한내과학회 2015 대한내과학회 추계학술대회 Vol.2015 No.1
Objective: Although the benefits of carvedilol, non-cardioselective Β-blocker, were demonstrated by several studies, there were no studies which evaluated the efficacy of bisoprolol, a class of Β1-selective beta blocker, in secondary prevention of acute myocardial infarction(MI) patients who underwent percutaneous coronary intervention (PCI). Methods: Total 13,813 patients who underwent PCI were treated with carvedilol or bisoprolol at discharge in Korean Acute MI Registry (KAMIR). After 1: 2 propensity matching, 1,806 patients were enrolled as bisoprolol group and 3,612 patients as carvedilol group. The primary end point was composite of major adverse cardiac events (MACEs)which were defined as cardiac death, non-fatal MI, target vessel revascularization, and coronary artery bypass surgery. The secondary end point was defined as respective all-cause mortality, cardiac death, non-fatal MI, any revascularization or target vessel revascularization. Results: After adjustment of baseline characteristics by propensity matching, the MACEs free survival rate was not different between bisoprolol and carvedilol group. The subgroup analysis showed that cumulative incidence of MACEs was lower in bisoprolol group in patients having Killip class III or IV comparing with carvedilol group. The incidence of secondary end points was not different between two groups. Conclusions: The benefits of bisoprolol were comparable with carvedilol in secondary prevention of acute MI. The use of bisoprolol may be preferable in hemodynamically unstable acute MI patients on admission.