• 제목/요약/키워드: Change of components

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Results Of Mathematical Modeling Of Organizational And Technological Solutions Of Effective Use Of Available Resource Of Modern Roofs

  • Arutiunian, Iryna;Mishuk, Katerina;Dankevych, Natalia;Yukhymenko, Artem;Anin, Victor;Poltavets, Maryna;Sharapova, Tetiana
    • International Journal of Computer Science & Network Security
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    • 제21권1호
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    • pp.49-54
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    • 2021
  • Relative to the outer surface of the mastic coating, the reliability of the available waterproofing resource is determined by the ability to stabilize the structural characteristics in difficult climatic conditions. Organic components of mastic as a result of solar radiation, elevated temperatures and their alternating change, atmospheric oxidants, especially in industrial areas, have a tendency to self-polymerization and loss of low molecular weight components. This is the gradual loss of deformability and the transition to brittleness with its tendency to crack as the reasons for the gradual transition from normal to emergency operating condition.The presented mechanism of functioning of the coating surface indicates the expediency of increasing its components, able to stabilize the structure and prevent changes in deformability.Durability, hydrophobicity, water displacement, water absorption are accepted as estimating indicators. The main dependences of the influence of the lost additional components of mastic on the operational properties of the formed coating characterize the ability to provide successful resistance to environmental influences and longer stability. As a result, mastic acquires additional service life.

표고버섯의 건조 특성 및 주요성분의 변화 2. 건조온도에 따른 표고버섯의 주요성분 변화 (Drying Characteristics and Content Change of Major Components of Shiitake Mushroom(Lentinus edodes) 2. Changes in Major Components of Shiitake Mushroom by Drying Temperature)

  • 서재신;강성구;최병민
    • 한국식품저장유통학회지
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    • 제4권3호
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    • pp.279-286
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    • 1997
  • The effect of drying temperature (30, 40, 50, 60$^{\circ}C$) on chemical components of Shiitake mushroom(Lentinus edodss) was investigate. When compared proximate composition on pileus and stipe of raw and dried materials, all of them were found to be higher in the stipe part than in the pileus part. The major components of organic acid were oxalic, citric, malic, malonic and pyroglutaric acid. The contents of free and total amino acids in pileus and stipe were 3458.4, 7640.2mg% for pilueus; 2298.0, 6171.5mg% for stipe on dry basis, respectively. On the other hand, there was no significant difference in the changes of crude ash and organic acids content of Shiitake mushroom among drying temperatures. But the amount of crude fats was increased and that of reducing sugars was decreased with increase of drying temperature. The contents of crude proteins of pileus part of dried materials were increased with increased drying temperature, but those of stile part were gradually decreased. The contents of free amino acids decreased with increase in drying temperature, but those of total amino acids were gradually increased.

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Effect of Ganglioside $G_{M3}$ on the Erythrocyte Glucose Transporter (GLUT1): Conformational Changes Measured by Steady-State and Time-Resolved Fluorescence Spectroscopy

  • Yoon, Hae-Jung;Lee, Min-Yung;Jhon, GiI-Ja
    • BMB Reports
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    • 제30권4호
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    • pp.240-245
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    • 1997
  • Interactions between ganglioside $G_{M3}$ and glucose transporter, GLUT1 were studied by measuring the effect of $G_{M3}$ on steady-state and time-resolved fluorescence of purified GLUT1 in synthetic lipids and on the 3-O-methylglucose uptake by human erythrocytes. The intrinsic tryptophan fluorescence showed a GLUT 1 emission maximum of 335 nm, and increased in the presence of $G_{M3}$ by 12% without shifting the emission maximum, The fluorescence lifetimes of intrinsic tryptophan on GLUT1 consisted of a long component of 7.8 ns and a short component of 2,3 ns and $G_{M3}$ increased both lifetime components. Lifetime components were quenched by acrylamide and KI. Acrylarnide-mduced quenching of long-lifetime components was partly recovered by $G_{M3}$ However. KI-induccd quenching of short- and long-lifetime components was not rescued by $G_{M3}$. The anisotropy of 1.6-diphenyl-1.3.5-hexatriene (DPH)-probed dimyristoylphosphatidylcholine (DMPC) model membrane was also increased with $G_{M3}$ incorporation, The transport rate of 3-O-methylglucose increased by 20% with $G_{M3}$ incorporation on the erythrocytes, Therefore, $G_{M3}$ altered the environment of lipid membrane and induced the conformational change of GLUT1.

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Changes of Smoke Components and Smoke Odor by Far Infra-red Radiation in a Closed Room

  • Hwang, Keon-Joong;Rhee, Moon-Soo;Ra, Do-Young
    • 한국연초학회지
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    • 제20권2호
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    • pp.198-204
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    • 1998
  • This study was conducted to evaluate the effect of far IR radiation for the elimination of sidestream smoke components in a closed room. The measurements covered particle sizes of 13.8-542.5 nm, particle concentration, TSP, UVPM, FPM, solanesol, and the following gases and vapor components of smoke: carbon dioxide, carbon monoxide, nicotine, and 3-ethenyl-pyridine. Also, the changes of smoke odor strength by far IR radiation were tested by using the electronic nose system. There was no difference between control and far IR radiation in changes of the concentration of $CO_2$ and CO. The concentrations of TSP, UVPM, FPM, solanesol, nicotine, and 3-ethenylpyridine were reduced by far IR radiation. The growth and diminishing rate of RSP diameter was accelerated by far IR radiation compared with control. There was a little difference of smoke odor change with far IR radiation by electronic nose system analysis. Our results indicated that the use of far IR radiation had a little effect on changes of solid, vapor, and odor of smoke, but it had no effect on gaseous components.

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Distributed Video Compressive Sensing Reconstruction by Adaptive PCA Sparse Basis and Nonlocal Similarity

  • Wu, Minghu;Zhu, Xiuchang
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • 제8권8호
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    • pp.2851-2865
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    • 2014
  • To improve the rate-distortion performance of distributed video compressive sensing (DVCS), the adaptive sparse basis and nonlocal similarity of video are proposed to jointly reconstruct the video signal in this paper. Due to the lack of motion information between frames and the appearance of some noises in the reference frames, the sparse dictionary, which is constructed using the examples directly extracted from the reference frames, has already not better obtained the sparse representation of the interpolated block. This paper proposes a method to construct the sparse dictionary. Firstly, the example-based data matrix is constructed by using the motion information between frames, and then the principle components analysis (PCA) is used to compute some significant principle components of data matrix. Finally, the sparse dictionary is constructed by these significant principle components. The merit of the proposed sparse dictionary is that it can not only adaptively change in terms of the spatial-temporal characteristics, but also has ability to suppress noises. Besides, considering that the sparse priors cannot preserve the edges and textures of video frames well, the nonlocal similarity regularization term has also been introduced into reconstruction model. Experimental results show that the proposed algorithm can improve the objective and subjective quality of video frame, and achieve the better rate-distortion performance of DVCS system at the cost of a certain computational complexity.

미국 중소도시의 형태기반코드 구성요소에 관한 연구 - 건축계획요소를 포함한 조닝코드 사례를 중심으로 - (A Study of Components in Form-Based Codes of Small to Mid Cities in US - Focused on Zoning Codes Including Architectural Design Elements -)

  • 박성용;안동준
    • 대한건축학회논문집:계획계
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    • 제34권4호
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    • pp.77-85
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    • 2018
  • Rapid urbanization has fostered development of modern cities. Although Conventional zoning played its role to control urban development, it also segregated land uses and created homogeneous development pattern. Mega cities with satellite bed towns has not shown their unique identity and characters. In order to develop comprehensive approach which may bring social and physical enhancement can be difficult to achieve by considering city as a two dimensions. On contrary, extensive analysis and proposals require an approach which can perceive city with three dimensions. Form-Based Codes (FBCs) are appeared as an alternative to conventional zoning with different design process and principles. FBCs approach urban place with three dimension and giving priority to form rather than land use. The purpose of this study was to analyze the necessity of FBCs and its concept, components and how this would change urban characteristics in the aspects of architectural design through analysis on 4 case studies for zoning codes of US cities. Through comparison of components in Form-Based Codes of 4 different cases, this study can show the reasons for differences in application of Form-Based Codes and how detailed components would play a role to establish better urban environments.

급속소결 방법을 이용한 마찰교반 접합 툴용 WC-Co 소결체 제조 및 특성 평가 (Mechanical Properties and Fabrication of WC-Co Hard Materials by Rapid Sintering Method for Friction Stir Welding Tool Application)

  • 박현국;윤희준;유정한;장준호;손인진;오익현
    • Journal of Welding and Joining
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    • 제30권6호
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    • pp.92-97
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    • 2012
  • Using the pulsed current activated sintering method, the WC-10wt.% Co materials were densified using a WC and Co powder. The WC-Co almost completely dense with a relative density of up to 99.5 % after the simultaneous application of a pressure of 60 MPa and an electric current for 3 minutes almost without any significant change in the grain size. The average grain size of about $0.3{\mu}m$. The hardness and fracture toughness at $1000^{\circ}C$ were about $2200kg/mm^2$ and $9.8MPa.m^{1/2}$, respectively.

음악줄넘기 운동이 남녀중학생의 신체조성과 건강관련 혈액성분에 미치는 영향 (The Effect Of Music Rope-skipping On Body Composition and Health Related Blood Components Of Middle School Students)

  • 신군수;김용재
    • 수산해양교육연구
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    • 제23권4호
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    • pp.734-744
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    • 2011
  • This study has examined the effect of music Rope-skipping on body composition and health related blood components of middle school students. The experiment has been performed for 12 weeks, varying the exercise intense depending on preliminary stage, elementary and intermediate stage and conclusion is as follows based on the change in body composition, blood components related to health before and after the experiment. All males and females showed decreased, but there were no statistically different in body fat mass and body fat percentage. Fat-free mass of males showed decreased and females had an increased, but there were no statistically different. Regarding body-mass index of males and females were on the decreased, but there were no statistically different. As for hematocrit of males and females statistically grew by about 4.53%(p<.05). The number of erythrocyte and leukocyte in males and females showed increased, but there were no statistically difference. Concerning hemoglobin of males and females showed a increased(p<.01). The number of thrombocyte of males and females were on the increased, but there were no statistically different. Cholesterol in males and females were on the decreased, but it was not statistically different. Blood glucose of males and females were on the decreased(p<.05).

가속수명시험을 이용한 다련장 발사대 신뢰도 성장 연구 (A Study on the Reliability Growth of Multiple Launch Rocket System Using Accelerated Life Testing)

  • 이용준;류정민;손권일;송석봉;김상부;박우재
    • 한국군사과학기술학회지
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    • 제22권2호
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    • pp.241-248
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    • 2019
  • In this paper, we aim to check the reliability growth of multiple launch rocket components by the life evaluation. We apply the Crow-AMSAA model to the sets of test data obtained from the development phase. The result of the data analysis shows that the reliability of some components needs to be improved. In order to improve their reliability, we analyze the failure mechanism and change their designs. The verification of the reliability growth for those components is done by analyzing the data sets obtained by the accelerated life tests. As a result, we show that the MTBF of those components is increased and also their reliabilities improved.

Investigation of physical characteristics for Al2O3:C dosimeter using LM-OSL

  • Kim, Myung-Jin;Lee, Young-Ju;Kim, Ki-Bum;Hong, Duk-Geun
    • 분석과학
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    • 제32권4호
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    • pp.131-138
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    • 2019
  • This paper reports results on the physical properties of a powder type of $Al_2O_3:C$ commonly used as a luminescence dosimeter using the LM-OSL technique. On the analysis with the general order kinetics model, the LM-OSL signal measured appeared to be composed of three components (fast, medium, slow) showing the largest area in the medium component. The photoionization cross sections of three components were distributed between $10^{-19}{\sim}10^{-21}cm^2$. The values of the thermal assistance energy were evaluated the largest in slow component and the smallest in fast component, which indicates the electrons trapped in defects attributed to slow component should be the most sensitive to thermal vibration among three components. In illumination to blue light, the fast component showed a rapid linear decay and completely disappeared after light exposure time of about 5 s. The medium component decayed with two exponential elements but the slow component did not observed any noticeable change until light exposure time of 40 s. In a dose response study, all components exhibited a linear behaviour up to approximately 10 Gy.