• Title/Summary/Keyword: wort

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A Study on the Computer Aided Fault Detection in PLAs (컴퓨터를 이용한 PLA 고장 검출에 관한 연구)

  • Im, Je-Tak;Lee, Du-Su;Kim, Hui-Seok;Lee, Eun-Seol
    • Journal of the Korean Institute of Telematics and Electronics
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    • v.19 no.4
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    • pp.26-30
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    • 1982
  • It is a time-consuming wort to generate test inputs of a PLA as inputs and Product terms are increasing. In this paper we design a computer algorithm which is efficient for processing sharp and cap operator simultaneously. An assembly language program is coded and run successfully.

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Effect of Methanol-Gasoline Blended Fuel on Engine Performance and Reduction of Exhaust Emissions (메탄올-가솔린 혼합연료가 엔진성능과 배출물저감에 미치는 영향)

  • 조행묵;이창식
    • Transactions of the Korean Society of Automotive Engineers
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    • v.12 no.1
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    • pp.61-65
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    • 2004
  • This paper presents the effect of methanol blended fuel on the engine performance and the reduction of exhaust emissions. In this wort, the combustion effects of methanol blended fuel in the engine was investigated for the conditions of three kinds of mixing ratios. Based on the experimental results, the output characteristics of the engine show the improvement of output performance due to the blended fuel of methanol. Also, the unburned hydrocarbon and carbon monoxide emissions are decreased in accordance with the increase of methanol blended ratio.

Double-stage Batch Fermentation of Beer I. Theoretical Background (이단회분식 맥주발효 I. 이론)

  • Pack, M.Y.
    • Microbiology and Biotechnology Letters
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    • v.3 no.1
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    • pp.31-34
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    • 1975
  • Fermentation models of beer having higher efficiencies with a minimum change in conventional batch fermentation condition have been designed. By diluting the fermenting mass with one half or one third volume of fresh wort after three days of the conventional batch fermentation and completing the rest of the fermentation in five or four days, about 20 to 30 percent increase in the fermentation efficiency over the regular 9-day batch beer fermentation is theoretically feasible.

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Stimme aus der Seinsquelle Hölderlins Gedicht >Andeoken< und Philosophische Hermeneutik (존재원천의 소리 - 횔덜린의 시 '회상'과 철학적 해석학 -)

  • Lee, Kyeong-bae
    • Journal of Korean Philosophical Society
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    • v.117
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    • pp.223-247
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    • 2011
  • In der vorliegenden Arbeit geht es um das Primat des Seins und die Ereignisontologie, denen der Diskurshorizont zwischen der Ontologie der philosophischen Hermeneutik und der dichterischen $Repr{\ddot{a}}sentation$ der Seinsquelle in $H{\ddot{o}}lderlins$ spekulativem Gedicht, >Andenken<, das die spekulative Philsophie als eine Philosophie ${\ddot{u}}ber$ das Wissen um Ursein vor dem Denken darstellt, zugrunde liegt. $H{\ddot{o}}lderlins$ und Hermeneutische Ontologie nimmt erstens das Ursein, das die ontologische Voraussetzung des Denkens sei, als die nicht nur logische, sondern auch temporale Quelle auf Grund der Kritik an der reflexiven Struktur des modernen Denkens an. Zweitens suchen beide die $Gesinnungsm{\ddot{o}}glichkeit$ des Urseins, das niemals ein begreifbarer Gegenstand des Denkens war, deshalb immer schon ${\ddot{u}}ber$ das Denken ${\ddot{u}}bertrefflich$ ist, auf der ontologischen Seite aus der selbstnegierenden Bewegung des Seins, auf der erkenntnistheoretischen Seite aus dem sprachlichen Ausdruck des Seins: Insofern das reflexive Denken die analytische Unterscheidung zwn Prinzip hat, ist das Ursein deshalb der logische Ursprung des analytischen Denkens, weil das Unterschiedene aus dem Einen geteilt wird. Und das Ursein ist deshalb auch die geschichtsphilosophische Arsche, weil das Viele die geschichtliche Selbstentwicklung des Einen ist. Aus dessen Grund $l{\ddot{a}}sst$ das Sein, das allem vorausgeht, mit seiner geschichtlichen Selbsterscheinung als negativer $Selbstverkl{\ddot{a}}rung$ und darnit zugleich mit dem sprachlichen Ausdruck als der epischen Symbolisierung solcher Ereignissen sich selbst als etwas sein. Das Wort des Verstandes, das nur die Negationsbewegung der Analyse ist, kategorisch einbegrenzt ist, kann daher nicht das Verweilen bei dem Geschehen der $urspr{\ddot{u}}nglichen$ Seinsquelle sein. Das dichterische Wort, das der Stimme aus der Seinsquelle $zugeh{\ddot{o}}rig$ ist, ${\ddot{u}}bersetzt$ die Selbstbewegung des Urseins auf den hermeneutischen Sinnhorizont, in dessen Spielraum das Ursein sich selbst aussagt. $Schlie{\ss}lich$ hoffe ich damit, in dieser Arbeit davon ${\ddot{u}}berzeugend$ vorderseite zu legen, dass $H{\ddot{o}}lderlins$ Gedicht, >Andenken< nicht nur die poetische Gesinnung auf die Seinsquelle, sondern auch die hermeneutische Ontologie der Seinsquelle ist.

Immune Activities in Hypericum perforatum L. (고추나물의 면역 활성)

  • Park, Jin-Hong;Kim, Dae-Ho;Choi, Geun-Pyo;Ryu, Lee-Ha;Lee, Kang-Yoon;Lee, Hyeon-Yong
    • Korean Journal of Medicinal Crop Science
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    • v.12 no.4
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    • pp.304-308
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    • 2004
  • Immune enhancing activities of water and ethanol extracts of Hypericum perforatum L. (HP) were examined. HP extracts inhibited the growth of human hepatocarcinoma, human gastric cancer cell and human breast cancer cells in concentration-dependent mammers over a concentration range of $0.05{\sim}1.0\;mg/ml$, showing inhibiton of more than 80% with the concentration of 1.0 mg/ml. However, HP the same concentration. Overall selectivity of the extracts on the three human cancer lines was over 3.5, which is higher than those from the conventional herbs. The growth of human immune B and T cells was enhanced up to 1.4 to 2.0 folds by the addition of the extracts for 4 days, compared to controls. Ethanol extracts of HP after 6 days incubation increased the secretions of tumor necrosis factor-alpha $(TNF-{\alpha})$ from T cells and interleukin-6 (IL-6) from B cells to 6.7 pg/cell and 6.8 pg/cell, respectively. These results suggest that HP has a potent immune enhancing effect.

Continuous Alcohol Fermentation by Cell Recycling Using Hollow Fiber Recycle Reactor (Hollow Fiber Recycle Reactor를 이용한 알콜연속 발효)

  • 이시경;박경호;백운화;장호남
    • Microbiology and Biotechnology Letters
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    • v.14 no.2
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    • pp.193-198
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    • 1986
  • Improvement of productivity in ethanol fermentation was attempted using a hollow fiber bioreactor (HFR) where Saccharomyces cerevisiac var. ellipsoideus cells were recycled to achieve a high yeast concentration. Industrial wort was used as the fermentation media without supplying any additional nutrients. The performances in hollow fiber recycle reactor (HFR) were compared with those of batch and continuous cultures. In a continuous culture with 11$^{\circ}$P and 15$^{\circ}$P wort media final ethanol concentrations were 4.71% and 5.82% (v/v) and yields 86.2% and 78.6% respectively when the dilution rate (D) was 0.1 h$^{-1}$, in contrast, the ethanol concentration and productivity in HFR were 7.64%(v/v) and 6.1g/l/h at D=0.1h$^{-1}$ with 15$^{\circ}$P media. When the dilution rate was increased to 0.2 h$^{-1}$, the concentration and the Productivity were 7.62% (v/v) and 12.2g/l/h. At D=0.3h$^{-1}$ the sugar was completely consumed and the productivity was 18.1g/l/h. This correponds to 4 times that in continuous system and 16.3 times that in the batch system performed in comparable conditions.

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Self Care in Depression (우울증의 자기 관리 방법)

  • Lee, Sun-Hea;Park, Yong Chon
    • Korean Journal of Biological Psychiatry
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    • v.14 no.1
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    • pp.5-13
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    • 2007
  • Objectives : Depression disturbs the individual life from the loss of productivity to suicide. Furthermore the whole society is also influenced by depression in social and economic areas. Many scientific treatment methods are known to be effective in depression. But in reality more than half of patients with depression prefer self help treatment rather than medically based treatment. For the patients with mild depression and primary physicians, it is reasonable to provide the evidence based self care including self help or alternative treatment. This study is supported by the Korean Health 21 R&D Project for the Depression Center to establish the Korean treatment guideline for depression. Methods : The members of Depression Center including the authors attended the workshops where the methods of evidence based medicine such as literature search, quality evaluation of the articles, making the level of evidence were educated. The professional librarians helped the authors for get the searched articles. Among the total of 354 abstracts of systemic review and 300 abstracts of random controlled trials, 3 systemic reviews and 2 random controlled trials were the main structure of evaluation. Result : Among the 37 self care methods known to be effective for depression, 11 kinds of methods were worth of evaluation. The first step for the self care of mild depression is to use St. John's wort, exercise, bibliotherapy, and light therapy in depression during winter season. Acupuncture, negative ion therapy, massage, relaxation technique are known to be efective with evidence. Music therapy, hypnotherapy, and aromatherapy are known to be effective but until now the evidences is insufficient and further evaluations are needed. Conclusion : Among 11 listed self-care methods, several methods need more evidence especially in Korean situation. Exercise is the most recommendable evidence based self care method in Korea nowadays. St. John's wort is effective with evidence, but it is not the OTC drug in Korea, so it is not recommendable now. For the bibliotherapy, there is no book such as "Feeling Good" in Korea. Only the introductory book about depression is available. Publishing the self help book based upon cognitive behavioral approach or psychodynamic approach is needed. Light therapy is practiced in a few clinics, but not self-help style. Exposure to the sunlight is recommended in the level of commen sense. These self care methods are for the mild patient. Moderate to severe patients with depression should seek the professional treatment.

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Effects of Malt Modification on ${\beta}$-Glucan Solubility and Beer Viscosity (보리의 발아정도가 맥아의 ${\beta}$-glucan 용해성 및 맥주의 점도에 미치는 영향)

  • Lee, Young-Tack
    • Korean Journal of Food Science and Technology
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    • v.40 no.3
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    • pp.360-363
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    • 2008
  • Two barley malt samples were selected at two different stages of germination, a well-modified malt germinated for 96 hr and a poorly-modified malt for 60 hr, and were analyzed for total, insoluble, and soluble ${\beta}$-glucan contents. The total ${\beta}$-glucan content in raw barley was 3.96%, and the content was reduced during malting. The total ${\beta}$-glucan contents of the poorly- and well-modified malts were 1.02% and 0.18%, respectively. After 4 days of germination, approximately 95% of the ${\beta}$-glucan present in the barley was degraded. A significantly higher proportion of water-soluble ${\beta}$-glucan was found in the well-modified malt, suggesting that ${\beta}$-glucan solubility was dependent on cell wall modifications in the malt (${\beta}$-glucan breakdown). The proportion of water-soluble ${\beta}$-glucan was also affected by the extraction temperature. The two differently modified malts were mashed isothermally at 45, 55, 65, and 75oC for 2 hr. An increasing mashing temperature resulted in increased viscosity for the wort and the resulting beer. The viscosity of the wort from the well-modified malt was significantly low, due to its low initial malt ${\beta}$-glucan with increased solubility as well as a presumably sufficient ${\beta}$-glucanase activity during mashing.

Improvement of Mechanical Interfacial Properties of Epoxy/Clay Nanocomposites Using Silane Intercalant (실란유기화제를 이용한 에폭시/클레이 나노복합재료의 기계적 계면 물성 향상)

  • Park, Soo-Jin;Seo, Dong-Il;Lee, Jae-Rock
    • Proceedings of the Korean Society For Composite Materials Conference
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    • 2001.10a
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    • pp.125-128
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    • 2001
  • In this wort, the $Na^+-MMT$ has organically modified with silane intercalant to prepare the polymer/clay nanocomposites. The pH. X-ray diffraction (XRD), and contact angles were used to analyze the surface properties of clay and the exfoliation phenomenon of clay interlayer, The mechanical interfacial properties of epoxy/clay nanocomposites were investigated by three-point bending test. From the experimental results. the surface modification made by silane intercalant on clay surface leads to an increase of distance of silicate layers, surface acid value. and electron acceptor parameter of organoclay. The treatments are also necessary and useful for epoxy to intercalate into the interlayer by interacting of electron donor-accepter between basic epoxy and clay surface. The mechanical interfacial properties of the nanocomposites was improved by the presence of dispersed clay nanolayer containing low content of organoclay in comparison with the conventional, which increase the interfacial adhesion between dispersed clay and epoxy resins.

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Impact of Work stopped on Site Productivity and Productivity Achievement Ratio (작업중단이 현장 생산성과 생산성달성율에 미치는 영향)

  • Kim Tae-Wan;Yu Jung-Ho;Lee Hyun-Soo
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • autumn
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    • pp.311-314
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    • 2003
  • This study takes a statistical approach to quantify tile impact of wort stopped on the following day's site productivity. Therefore, this study is aimed to verify this null hypothesis: 'A work stopped in a construction field does not impact on the following day's productivity and productivity achievement ratio'. For the purpose, work, stopped is presumed as a dummy variable impacting site productivity in multiple linear regression analysis. Moreover, the quantified impact of work slopped on productivity achievement ratio is identified based on this study. This study shows that construction managers should persevere in their efforts to secure the work continuity in order to improve site productivity and productivity achievement ratio.

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