• Title/Summary/Keyword: System Production Process

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Lop-Nor Debates and the Xinjiang Production-Construction Army Corps: A Social Process of Desertification in Northwest China (롭노르 논쟁과 신쟝 생산건설병단 - 중국 서북지역 사막화의 사회적 과정-)

  • 이강원
    • Journal of the Korean Geographical Society
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    • v.38 no.5
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    • pp.701-724
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    • 2003
  • Since the late 19th century, the location and characteristics of Lop-Nor lake have been a major theme of debates among the scholars(Prejevalsky, Richthofen, Kozlov, Hedin, Huntington, Stein, Chen etc.) who have been interested in Inner Asia. In the 1980s the problem to find the exact location and characteristics of Lop-Nor lake was finally solved by the investigation group of the Chinese Academy of Sciences. Ironically, it was possible to find the solution by drying up of the lake due to the change of land use and the expansion of irrigation system in Tarim basin. Specially the excessive development of this area for agricultural use by the Xinjiang Production-Construction Army Corps since 1949 must have influenced on drying up of Lop-Nor lake. Furthermore it can be observed to be the very similar situation to Lop-Nor lake in many areas of Chinese Inner Asia Frontier. According to this finding, it may be proposed that human factors played an important role in the changes of Lop-Nor lake over the previous years too. This study can give an insight on the ecological interpretation of Inner Asian history and the environmental interpretation of the rising nationalism in this area.

A Study on Characteristics of Residue in Liquefied Petroleum Gas using Automotive Fuel (자동차용 액화석유가스(LPG) 잔류물질의 특성 연구)

  • Jang, Yoon-mi;Park, Tae-seong;Kang, Hyung-kyu;Yim, Eui Soon;Lee, Jung-min;Na, Byung-gi
    • Journal of the Korean Applied Science and Technology
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    • v.35 no.3
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    • pp.816-825
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    • 2018
  • Recently, it was emerged to need the necessity of LPG residues management due to the finding some substances such as rust. This study is performed to investigate the characteristics of LPG residues in the production and distribution stage of LPG. For the qualitative analysis of LPG residues, it was operated to be set up the analysis conditions(the flow rate, etc) of GC-MS and was performed to analyze the component of LPG residues. From the analysis result using GC-MS, it was shown that the component of LPG residues was turned out the plasticizer to be used in the rubber manufacturing process. The inorganic components of LPG residues were analyzed using ICP-OES. At the results of inorganic analysis, it was shown that the Si element was detected, which was presumably derived from defoamers used mainly in the LPG production. Also, the P and Zn element, which are estimated to be components of grease additives used for filling facilities, were also partially detected. No trace of rusting was detected in the LPG residues in the production and distribution stages analyzed in this study. But, as plasticizers and grease additives can affect to the LPG fuel system in vehicles, it will be necessary to use the proper quality of rubber and to expand the use of low boiling grease additives.

A study on standardization and R&D strategies of agrifood-ICT convergence technology (농식품-ICT 융·복합 기술 개발 및 표준화 추진방향)

  • Min, J.H.;Huh, M.Y.;Park, J.Y.
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2015.05a
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    • pp.777-780
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    • 2015
  • Currently, our country has promoted sustainable growth in agriculture field by expanding the growth engine which is going to creat new value through agrifood industry & ICT convergence, the deployment of computerization in rural areas and the efficiency increase of agricultural administration system. Since the level of domestic agriculture-ICT convergence technology focusing on production areas is at early stage, it is necessary to deploy the successful models through the systematic development of technology and standardization including production, distribution and consumption phase. In addition, because the management and control systems of large glass greenhouse are mostly foreign products with no standardization and related small domestic companies, there is a limit to agri-food & ICT convergence activation led by the agri-food private sector. Also, it is vital to increase productivity & efficiency and improve quality throughout the entire agricultural process including production, distribution and consumption by the fusion of information technology, automatic control technology and unique ICT on existing agricultural technology, Therefore, in this paper we propose the agricultural-ICT convergence technology fields in which our country can lead technology and the standardization plans through analyzing the development, policy and standardization trends on agricultural-ICT convergence technology.

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A Study on Costume Designer in Cinema (영화 의상 디자이너에 관한 연구)

  • Lee Hee-Hyun;Lee Yu-Kyung
    • Journal of the Korea Fashion and Costume Design Association
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    • v.7 no.3
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    • pp.63-74
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    • 2005
  • The cinema costume designers carry out the creative works in a different way from the commercial fashion designers generating the new trends by season or year for a number of people. Costumes created by the cinema costume designers are for the people acting in the film screens such as heroes, heroines or extras. The cinema costume designers should not miss the overall flow of a cinema. Moreover, the prominent designers have to devise the costumes livening up every scene. Most cinemas with the prudent interests and attention on the costumes are favored by the public and gain the commercial success. In particular, the cinemas emphasize the visual effects such as setting, lighting and computer graphics and require the substantial budgets for preparing the costumes regardless of genres, while all other industrial fields will be the same. Such efforts are to deliver the meaning and aesthetics that the cinemas intend to show through the designs, colors and textures of costumes closed up in each scene. The costumes in cinemas are another linguistic system and have the symbolic form of compound and meaningful communication used by the directors. The costume design is required to produce the costumes that liven up the characteristics of heroes or heroines as well as to fit for the general artistic effects of films. Moreover, it has to express the characters in the films using the costumes suitable for the film genres. Cinema costumes are defined and refined, and the process can be angst-ridden. Each frame of film is a canvas and has its own proscenuium. Every garment worn in a theatrical production is a costume. Before an actor speaks, his wardrobe has already spoken for him. From the most obvious and flamboyant show clothing, to contemporary clothes using subtle design language, costume design plays an integral part in every film production. Costume design is a vital tool for storytelling. Costumes have always had enormous influence on world fashion. Costume designers are passionate storytellers, historians, social commentators, humorists, psychologists, trendsetters and magicians who can conjure glamour and codify icons. Costume designers are project managers who have to juggle ever-decreasing wardrobe budgets and battle the economic realities of film production. Costume designers are artists with pen and paper, form, fabric and the human figure.

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Production of hGCSF and GFP Co-Expressed Transgenic Cow Embryo by Somatic Cell Nuclear Transfer Technique (체세포 핵치환 기술을 이용한 hGCSF와 GFP 유전자 동시발현 형질전환 소 배아 생산)

  • Yang, Jung Seok;Joe, So Young;Koo, Bon-Chul;Heo, Young-Tae;Lee, Su Min;Kang, Man-Jong;Song, Hyuk;Ko, Dae Hwan;Uhm, Sang Jun
    • Journal of Embryo Transfer
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    • v.30 no.3
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    • pp.219-224
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    • 2015
  • The purpose of this study is to develop transgenic cell line expressing targeted human granulocyte colony stimulating factor (hGCSF) and green fluorescence protein (GFP) genes as well as production of Somatic Cell Nuclear Transfer (SCNT) embryos derived from co-expressed transgenic donor cells. Constructed pPiggy-mWAP-hGCSF-EF1-GFP vector was chemically transfected into bovine fetus cells and then, only GFP expressed cells were selected as donor cells for SCNT. Cleavage and blastocyst rates of parthenogenetic, SCNT embryos using non-TG cell and hGCSF-GFP dual expressed SCNT embryos were examined (cleavage rate: $78.0{\pm}2.8$ vs. $73.1{\pm}3.2$ vs. $70.4{\pm}4.3%$, developmental rate: $27.2{\pm}3.2$ vs. $21.9{\pm}3.1$ vs. $17.0{\pm}2.9%$). Result indicated that cleavage and blastocyst rates of TG embryos were significantly lower (P<0.05) than those of parthenogenetic and non-TG embryos, respectively. In this study, we successfully produced hGCSF-GFP dual expressed SCNT embryos and cryopreserved to produce transgenic cattle for bioreactor system purpose. Further process of our research will transfer of transgenic embryos to recipients and production of hGCSF secreting cattle.

Comprehensive Diagnosis and Improvement Plans on Agricultural Production Cost Survey Statistics (농축산물생산비조사 통계의 종합적 품질 진단 및 개선 방안)

  • Koo, Seung-Mo;Kim, Sounghun;Lee, Kay-O;Sohn, Chang-Soo;Han, Suk-Ho
    • Journal of agriculture & life science
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    • v.45 no.6
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    • pp.291-301
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    • 2011
  • This study is based on the diagnosis process on agricultural production cost survey, which is one of the most representative public statistics of agricultural sector in Korea. The diagnosis were performed by employing the quantitative and qualitative approaches with the official guideline provided by the Ministry of Statistics. The various results were produced from the aspects of exactness, relevance, timeliness, accessibility, and comparability, which were based on the qualitative approaches including focus group interview (FGI) with professional users. The results from statistical portfolio analysis implies that the first priority to improve the statistics is given to 'satisfaction level corresponding to user cost' and 'offering sufficient explanation'. The comprehensive results, discussed with the administrative office, are summarized into the following two major points. First, classification of the detailed items should be improved to avoid users' confusion. However, the re-classification need to be professionally reviewed with the relevant administrative office such as Rural Development Administration, producing similar statistics. Second, the KOSIS system is found to be constantly upgraded to improve the users' convenience.

Real-Time Joint Animation Production and Expression System using Deep Learning Model and Kinect Camera (딥러닝 모델과 Kinect 카메라를 이용한 실시간 관절 애니메이션 제작 및 표출 시스템 구축에 관한 연구)

  • Kim, Sang-Joon;Lee, Yu-Jin;Park, Goo-man
    • Journal of Broadcast Engineering
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    • v.26 no.3
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    • pp.269-282
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    • 2021
  • As the distribution of 3D content such as augmented reality and virtual reality increases, the importance of real-time computer animation technology is increasing. However, the computer animation process consists mostly of manual or marker-attaching motion capture, which requires a very long time for experienced professionals to obtain realistic images. To solve these problems, animation production systems and algorithms based on deep learning model and sensors have recently emerged. Thus, in this paper, we study four methods of implementing natural human movement in deep learning model and kinect camera-based animation production systems. Each method is chosen considering its environmental characteristics and accuracy. The first method uses a Kinect camera. The second method uses a Kinect camera and a calibration algorithm. The third method uses deep learning model. The fourth method uses deep learning model and kinect. Experiments with the proposed method showed that the fourth method of deep learning model and using the Kinect simultaneously showed the best results compared to other methods.

The inhibitory effects of hot water and ethanol extract of Gamichungsangbohatang on cytokines related to ashtma (가미청상보하탕(加味淸上補下湯) 열수 및 에탄올 추출물이 천식 관련 cytokine 분비에 미치는 영향)

  • Jeong, Seung-Yeon;Lee, Sung-Hun;Hwang, Joon-Ho;Lee, Kun-Young;Kim, Jin-Ju;Jung, Hee-Jae;Rhee, Hyung-Koo;Jung, Sung-Ki
    • The Journal of Internal Korean Medicine
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    • v.27 no.2
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    • pp.521-532
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    • 2006
  • Backgrounds and Objectives: A major goat in asthma therapy isto reduce or prevent the inflammatory response associated with bronchial hyperresponsiveness, reversible airway obstruction and airway remodelling. Many studies have shown that eosinophilic infiltration is a prominent feathure in the pathophysiology of asthma. The importance of the Presence of eosinophils in the airways of asthmatics has long been recognized, but the mechanism by which these cells are recruited and retained in the lung are only now being elucidated Production of chemotactic cytokines by bronchial epithelial cells may contribute to the local accumulation of eosinophils in Patients with bronchial asthma. This study was designed to investigate the inhibitory effect of extraction of herbal dicoction, Gamichungsangbohatang(GMCSBHT) on eosinophil chemotactic cytokines. Material and Methods:We used water and 70% ethanol extracts of GMCSBHT and pulmonary epithelial cell lines A549(human type II -like epithelial cells). We estimated cytotoxic effects of GMCSBHT, and estimated the effects of water and 70% ethanol extracts of GMCSBHT on chemokines from prestimulated A549 cells by sandwich ELISA. Results: Chemokines of eotaxin, IL-8 were inhibited by GMCSBHT in dose-dependent manner. And ethanol extract of GMCSBHT has more inhibitory effects on eotaxin, IL-8 than hot water extract. Conculusions: These findings indicate that the supression of the expression of chemokines can be accomplished by GMCSBHT treatment, so GMCSBHT may inhibit the iuflammatory process by eosinophils in asthma.

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Energy Efficiency Evaluation of Publicly Owned Wastewater Utilities (공공하수처리장의 에너지 소비현황 및 효율성 평가)

  • Cho, Eulsaeng;Han, Dae Ho;Ha, Jongsik
    • Journal of Environmental Policy
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    • v.11 no.4
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    • pp.85-105
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    • 2012
  • In this paper, the energy efficiency of wastewater utilities was evaluated to explore ways to save energy via operational measures. The correlation of each wastewater characteristic parameter to energy was assessed to find a set of parameters that explained most of the variations in energy use among utilities. The results show that increases in inflow, influent COD concentration, and ratio of advanced treatment generally increased the energy use. On the other hand, increases in load factor (influentaverage flow/design flow) reduced the energy use. In the regression analysis, the energy efficiency was highest in the A2O advanced process. On the other hand, the membrane process (among the advanced processes) and the contacted aeration process (among the secondary processes) require more efforts in saving energy. However, the data base system related to energy use must be supplemented in order for more accurate analysis of energy consumption in wastewater treatment facilities. In particular, i) electricity consumption of relay pumps and, ii) energy usage per unit process, iii) pump power usage to discharge treated wastewater in a long distance, if necessary, and iv) alternative energy production and utilization status must be recorded. By utilizing the results of the analysis conducted in this study, it is possible to quantify a level of energy savings needed and establish customized energy saving measures to achieve a certain target level for benchmarking a successful case of wastewater utilities.

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Development of a Chinese cabbage model using Microsoft Excel/VBA (엑셀/VBA를 이용한 배추 모형 제작)

  • Moon, Kyung Hwan;Song, Eun Young;Wi, Seung Hwan;Oh, Sooja
    • Korean Journal of Agricultural and Forest Meteorology
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    • v.20 no.2
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    • pp.228-232
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    • 2018
  • Process-based crop models have been used to assess the impact of climate change on crop production. These models are implemented in procedural or object oriented computer programming languages including FORTRAN, C++, Delphi, Java, which have a stiff learning curve. The requirement for a high level of computer programming is one of barriers for efforts to develop and improve crop models based on biophysical process. In this study, we attempted to develop a Chinese cabbage model using Microsoft Excel with Visual Basic for Application (VBA), which would be easy enough for most agricultural scientists to develop a simple model for crop growth simulation. Results from Soil-Plant-Atmosphere-Research (SPAR) experiments under six temperature conditions were used to determine parameters of the Chinese cabbage model. During a plant growing season in SPAR chambers, numbers of leaves, leaf areas, growth rate of plants were measured six times. Leaf photosynthesis was also measured using LI-6400 Potable Photosynthesis System. Farquhar, von Caemmerer, and Berry (FvCB) model was used to simulate a leaf-level photosynthesis process. A sun/shade model was used to scale up to canopy-level photosynthesis. An Excel add-in, which is a small VBA program to assist crop modeling, was used to implement a Chinese cabbage model under the environment of Excel organizing all of equations into a single set of crop model. The model was able to simulate hourly changes in photosynthesis, growth rate, and other physiological variables using meteorological input data. Estimates and measurements of dry weight obtained from six SPAR chambers were linearly related ($R^2=0.985$). This result indicated that the Excel/VBA can be widely used for many crop scientists to develop crop models.