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임영일,정창국,Lim Young Il,Cheong Chang Kook 대한수의사회 1981 대한수의사회지 Vol.17 No.6
Changes in plasma calcium and inorganic phosphorus level, clinical signs and electrocardiogram in goats were observed during the induction of hypocalcemia (uhntil death) by the jugular intravenous infusion of 0.2M $Na_2-EDTA$ solution at a rate
임영일,정창국,Lim Young Il,Cheong Chang Kook 한국임상수의학회 1984 한국임상수의학회지 Vol.1 No.1
The number of dairy cows diagnosed and treated at Hyup-dong Animal Hospital from July 1983 to June 1984 was amounted to 3,073 heads of Holstein breed and the result of analysis of diseases was as follows : 1. In the topographic diagnostic categories, 41.23% of all cases involved the urogenital system and were observed most prominent. Next were digestive system (22.10%), general and regional (14.55 %), respiratory system (8.20%) and musculoskeletal system (7.06%) in decreasing order. 2. In urogenital system 50.20% of all diagnosis involved metritis and this were most prominent disease. Next were repeat breeder(15.31%), retained placenta (12.79%) and ovary disfunction(9.40 %) in decreasing order. 3. In digestive system 36.82% of all diagnosis involved enteritis and were most prominent. Next were abomasal displacement (29.31%), lumen indigestion (20.32%) and lumen bloat (9.57%) in decreasing order 4. In general and regional diseases, 52.80% of all diagnosis involved ketosis and were most prominent. Next were milk fever (25.50%), downer cow (5.82%) and omphalitis (4.47%) in decreasing order. 5. In respiratory system, 82.54% of all diagnosis involved upper respiratory tract infections and were most prominent. Next were pneumonia (15.87%). 6. In musculoskeletal system, 49.31% of all diagnosis involved foot rot and were most prominent. 7. In milk secreting system, 61.64% of all diagnosis involved mastitis and ere most prominent. Next were stenosis of teat canal (16.35%). 8. Among the individual disease entities, endometritis marked 20.7%, enteritis 8.13%, ketosis 7.68% upper respiratory tract infection 6.77%, repeat bheeder 6.31%, retained placenta 5.27%, abomasal displacement 4.69%, and lumen impaction 4.49%, respectively of total 3,073 cases in decreasing order.
[특집 - 진보정치의 현주소와 향후 전망] 노동운동과 노동정치 - 민주노동당을 중심으로
임영일(Lim Young-Il) 비판사회학회 2004 경제와 사회 Vol.- No.64
2004년 4.15 총선을 계기로 원내 제 3정당으로 도약한 민주노동당은 한국의 정치사에서 최초로 출현한 근대적인 민주적 대중정당이다. 민주노동당은 그 조직기반에 있어서는 민주노총을 중심으로 한 노동자 계급정당의 모습을 강하게 보여준다. 선거에서의 지지 기반을 분석해보면 민주노동당은 계급정당이라기보다는 폭넓은 잠재적지지 기반을 가진 진보적 인 서민적 대중정당, 혹은 국민정당의 가능성을 크게 보여 주고 있다. 그러나 민주노동당의 이념적 정체성은 아직 분명하지 않다. 지지기반을 기준으로 보면 민주노동당은 현실적 진보주의 정당 정도로 규정될 수 있으나 당 내의 이념갈등은 계급주의와 민족주의 정파간의 전통적인 갈등을 반영한다. 조직기반, 지지기반, 이념적 정체성 사이의 이러한 부정합성을 어떻게 극복해 나갈 것인가가 향후 민주노동당의 핵심 과제가 될 것이다. KDLP(Korean Democratic Labor Party) is the first modern mass party organized and run democratically in the history of Korean political society. In the recent national election on April 15, 2004, it got 13% of the total votes and 10 seats in the Korean Parliament which means it has become the third major party in Korean politics. Analysis on its organizational basis shows that KDLP has strong characteristics of working class party based on the active support and participation from trade union organizations, especially KCTU(Korean Confederation of Trade Unions) Analysing the votes it got 10 the election, voters on KDLP are widely dispersed through regions and lower classes, which means it could become a popular national party to the future But as to the Ideological orientation of KDLP, main disputes going on in it at now are between working class oriented socialist camp and nationalistic camp concentrating on issues of unification of two Koreas and of anti-American movement These disparities among its organizational basis, mass basis and ideological basis are the main source of KDLP's intra-party tensions. How to overcome these in the near future is the most important task KDLP is facing.
임영일 ( Young Il Lim ) 한국화학공학회 2013 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.51 No.1
The state-of-arts of multiscale simulation (MSS) in science and engineering is briefly presented and MSS for process development (PD-MSS) is proposed to effectively apply the MSS to the process development. The four-level PD-MSS is composed of PLS (process-level simulation), FLS (fluid-level simulation), mFLS (microfluid-level simulation) and MLS (molecular-level simulation). Characteristics and methods of each level, as well as connectivity between the four levels are described. For example in PD-MSS, absorption column, fluidized-bed reactor, and adsorption process are introduced. For successful MSS, it is necessary to understand the multiscale nature in chemical engineering problems, to develop models representing physical phenomena at each scale and between scales, to develop softwares implementing mathematical models on computer, and to have strong computing facilities. MSS should be performed within acceptable accuracy of simulation results, available computation capacity, and reasonable efficiency of calculation. Macroscopic and microscopic scale simulations have been developed relatively well but mesoscale simulation shows a bottleneck in MSS. Therefore, advances on mesoscale models and simulation tools are required to accurately and reliably predict physical phenomena. PD-MSS will find its way into a sustainable technology being able to shorten the duration and to reduce the cost for process development.
Linze-Donawitz 가스로부터 일산화탄소(CO) 분리를 위한 흡수 및 흡착공정에 대한 기술경제성 비교
임영일 ( Young-il Lim ),최진순 ( Jin Soon Choi ),문흥만 ( Hung-man Moon ),김국희 ( Gook-hee Kim ) 한국화학공학회 2016 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.54 No.3
Linze-Donawitz gas (LDG) adjunctively produced in the steel mill contains over 60% of CO. Two processes that recover high purity CO from LDG were considered: COSORB and CO-Pressure swing adsorption (PSA). This study aimed to decide which one is more economically feasible than the other by techno-economic analysis (TEA). From the technical point of view of TEA, the process flow diagram (PFD) was constructed, the mass and energy balances were calculated, and the equipment type and size were determined in order to estimate the total capital investment (TCI) and the total production cost (TPC). From the economic point of view of TEA, economic performance such as return on investment (ROI) and payback period (PBP) was evaluated, and the sensitivity analysis was carried out to identify key factors influencing ROI and PBP. It was found that CO-PSA is more economically feasible due to higher ROI and lower PBP. The CO price highly influenced ROI and PBP.
유적 합체기가 포함된 공기-물-기름 분리 공정에 대한 3상 Eulerian 전산유체역학
임영일 ( Young-il Lim ),( Thuy T. Le ),박치균 ( Chi-kyun Park ),이병돈 ( Byung-don Lee ),김병국 ( Byung-gook Kim ),임동하 ( Dong-ha Lim ) 한국화학공학회 2017 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.55 No.2
Water is removed from crude oil containing water by using oil separator. This study aims to develop a three-dimensional (3D) Eulerian computational fluid dynamics (CFD) model to predict the separation efficiency of airwater- oil separator. In the incompressible, isothermal and unsteady-state CFD model, air is defined as continuous phase, and water and oil are given as dispersed phase. The momentum equation includes the drag force, lift force and resistance force of porous media. The standard k-ε model is used for turbulence flow. The exit pressures of water and oil play an important role in determining the liquid level of the oil separator. The exit pressures were identified to be 6.3 kPa and 5.1 kPa for water and oil, respectively, to keep a liquid level of 25 cm at a normal operating condition. The time evolution of volume fractions of air, water and oil was investigated. The settling velocities of water and oil along the longitudinal separator distance were analyzed, when the oil separator reached a steady-state. The oil separation efficiency obtained from the CFD model was 99.85%, which agreed well with experimental data. The relatively simple CFD model can be used for the modification of oil separator structure and finding optimal operating conditions.