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  • Trans Tech Publications, Ltd.  (717)
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  • Trans Tech Publications, Ltd.  (717)
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  • 1
    Online-Ressource
    Online-Ressource
    Research on Coking Behavior over Catalysts for Toluene Disproportionation
    Trans Tech Publications, Ltd. ; 2014
    In:  Applied Mechanics and Materials Vol. 529 ( 2014-6), p. 8-12
    Details
    In: Applied Mechanics and Materials, Trans Tech Publications, Ltd., Vol. 529 ( 2014-6), p. 8-12
    Kurzfassung: Effects of pressure of toluene, reaction temperature and nature of catalysts on coking over catalysts in toluene disproportionation are studied by using the method of thermogravimetry. Experiment results show that during the toluene disproportionation, the coking amount over catalysts increases with partial pressure of toluene and reaction temperature and the initial coking temperature decreases with partial pressure of toluene. Coking results mainly from the relatively stronger acid sites on the surface of the catalyst. Both HZSM-5 and HM catalysts have efficiency for toluene disproportionation, but HZM-5 catalyst has higher catalytic activity and stability.
    Materialart: Online-Ressource
    ISSN: 1662-7482
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMM.529
    DOI: 10.4028/www.scientific.net/AMM.529.8
    Sprache: Unbekannt
    Verlag: Trans Tech Publications, Ltd.
    Publikationsdatum: 2014
    ZDB Id: 2251882-4
    Standort Signatur Einschränkungen Verfügbarkeit
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    Online-Ressource
  • 2
    Online-Ressource
    Online-Ressource
    The Research of Princess Line’s Pattern Design in Women’s Upper Suits - Based on Young Female Bodies in Zhejiang Province
    Trans Tech Publications, Ltd. ; 2011
    In:  Advanced Materials Research Vol. 175-176 ( 2011-1), p. 952-957
    Details
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 175-176 ( 2011-1), p. 952-957
    Kurzfassung: In order to study the Princess Line in women’s suits, based on the body type of young female in Zhejiang province, this research used 3 pieces pattern and 4 pieces pattern as templates. According to different modeling Princess Lines, the researchers made patterns and sample suits. Combining with subjective experiment by mean of trying suits on, the researchers used Fuzzy Comprehensive Evaluation of Fuzzy Mathematics to analyse the data. Compared with the 3 pieces pattern, the results showed that the suits of four pieces pattern has better three-dimensional shape, and it’s more fashionable and has better appearance. Both of the diverting amount of breast dart and the horizontal distance from BP to Princess Line are important keys to cloths appearance. Further more, for 4 pieces samples, when diverting amount of the dart at breast is 1/2, it can show best pleasant curve of the female. Considering of the trend of fashion, we also concluded that for four pieces of samples and the three pieces ones when the horizontal distance from BP to Princess Line is 3.5mm and 5.5mm respectively, Princess Line of the two types of suits will show more beautiful appearance.
    Materialart: Online-Ressource
    ISSN: 1662-8985
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMR.175-176
    DOI: 10.4028/www.scientific.net/AMR.175-176.952
    Sprache: Unbekannt
    Verlag: Trans Tech Publications, Ltd.
    Publikationsdatum: 2011
    ZDB Id: 2265002-7
    Standort Signatur Einschränkungen Verfügbarkeit
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    Online-Ressource
  • 3
    Online-Ressource
    Online-Ressource
    Fusion of SAR Image Using Stationary Contourlet Transform
    Trans Tech Publications, Ltd. ; 2013
    In:  Applied Mechanics and Materials Vol. 462-463 ( 2013-11), p. 373-377
    Details
    In: Applied Mechanics and Materials, Trans Tech Publications, Ltd., Vol. 462-463 ( 2013-11), p. 373-377
    Kurzfassung: The stationary contourlet transform is built upon nonsubsampled pyramids and nonsubsampled directional filter banks and provides a shift invariant directional multiresolution image representation. Firstly, several SAR images can be decomposed into low-frequency coefficients and high-frequency coefficients with multi-scales and multi-directions using the stationary contourlet transform. For the low-frequency coefficients, the average fusion method is used. For the each directional high frequency sub-band coefficients, the larger value of horizontal and vertical direction gradient information measurement is used to select the better coefficients for fusion. At last the fused image can be obtained by utilizing inverse transform for fused contourlet coefficients. Experimental results show that the proposed algorithm gives more satisfactory results than the traditional image fusion algorithms in preserving the edges and texture information.
    Materialart: Online-Ressource
    ISSN: 1662-7482
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMM.462-463
    DOI: 10.4028/www.scientific.net/AMM.462-463.373
    Sprache: Unbekannt
    Verlag: Trans Tech Publications, Ltd.
    Publikationsdatum: 2013
    ZDB Id: 2251882-4
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 4
    Online-Ressource
    Online-Ressource
    Research on Analytic Calculation Method of the Dynamic Response of Buried Pipelines under Indirect Ground Shock
    Trans Tech Publications, Ltd. ; 2013
    In:  Applied Mechanics and Materials Vol. 477-478 ( 2013-12), p. 77-80
    Details
    In: Applied Mechanics and Materials, Trans Tech Publications, Ltd., Vol. 477-478 ( 2013-12), p. 77-80
    Kurzfassung: Buried pipelines are important lifeline engineering. During war conventional weapons blasting in the air would induce indirect ground shock, and the shock to the buried pipeline can lead to the paralyzed of urban economic and social function. And the numerical simulation of the dynamic damage of buried pipeline is complicated and time consuming, so this article using the equivalent static load method proposes analytic solution method of stress calculation of buried pipeline under ground shock. Through comparing the results calculated by analytic solution method and numerical solution, it shows that the analytical solution is feasible in engineering application.
    Materialart: Online-Ressource
    ISSN: 1662-7482
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMM.477-478
    DOI: 10.4028/www.scientific.net/AMM.477-478.77
    Sprache: Unbekannt
    Verlag: Trans Tech Publications, Ltd.
    Publikationsdatum: 2013
    ZDB Id: 2251882-4
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 5
    Online-Ressource
    Online-Ressource
    Discussion on Methods of Identifying Dangerous Road and Sections in Rural Highway
    Trans Tech Publications, Ltd. ; 2012
    In:  Applied Mechanics and Materials Vol. 204-208 ( 2012-10), p. 1565-1570
    Details
    In: Applied Mechanics and Materials, Trans Tech Publications, Ltd., Vol. 204-208 ( 2012-10), p. 1565-1570
    Kurzfassung: In order to fully investigate dangerous sections, implement Security engineering, and reduce accidents, based on the analysis of road and traffic characteristics of rural highway, methods of identifying dangerous road and sections of rural highway are put forward. With the application of Variable Weight Comprehensive Evaluation and Fuzzy Mathematic Comprehensive Analysis method, the methods are raised in mountainous areas and common areas under the conditions of no accident data. Based on the accident data, the methods used different range come up with Quality Control-Identify Index method, Fuzzy Evaluation method, and Double Variables Filtration method. Among them, the Fuzzy Mathematic Comprehensive Analysis method is a new method of evaluation road safety degree According to the traffic and road characteristics of rural highways. These methods provide a scientific theory method for the grass-roots workers, offer the theory basis to the implementation of Safeguards engineering, and enhance the economical rationality of implementing Safeguards engineering, achieving the best economic benefit.
    Materialart: Online-Ressource
    ISSN: 1662-7482
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMM.204-208
    DOI: 10.4028/www.scientific.net/AMM.204-208.1565
    Sprache: Unbekannt
    Verlag: Trans Tech Publications, Ltd.
    Publikationsdatum: 2012
    ZDB Id: 2251882-4
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 6
    Online-Ressource
    Online-Ressource
    The Experimental Research of Environmental Temperature and Humidity Control Index of Tobacco Shred Store Room
    Trans Tech Publications, Ltd. ; 2012
    In:  Advanced Materials Research Vol. 550-553 ( 2012-7), p. 1085-1089
    Details
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 550-553 ( 2012-7), p. 1085-1089
    Kurzfassung: The climate change of different seasons brings significant effects to the air temperature and humidity of tobacco shred store room, leads fluctuations of moisture rate of stored tobacco shred and easily leads to the unsteady of products qualities as well as wastages. With the experimental research of environmental temperature and humidity changes of tobacco shred store room and producing wastages, analysis the data of temperature, time and moisture changes of stored tobacco shred and producing wastages, and demonstrates that, when the environmental temperature and humidity control index of stored tobacco shred is at 26~30°C/60~68%RH, it is good for the alcoholization of tobacco shred and stability of moisture balance, and reduce the online wastages on the certain degree.
    Materialart: Online-Ressource
    ISSN: 1662-8985
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMR.550-553
    DOI: 10.4028/www.scientific.net/AMR.550-553.1085
    Sprache: Unbekannt
    Verlag: Trans Tech Publications, Ltd.
    Publikationsdatum: 2012
    ZDB Id: 2265002-7
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 7
    Online-Ressource
    Online-Ressource
    Design of a Kind of Non-Resonant Linear Piezoelectric Motor
    Trans Tech Publications, Ltd. ; 2013
    In:  Applied Mechanics and Materials Vol. 459 ( 2013-10), p. 418-423
    Details
    In: Applied Mechanics and Materials, Trans Tech Publications, Ltd., Vol. 459 ( 2013-10), p. 418-423
    Kurzfassung: A type of drive foot with displacement amplification was proposed based on analysis of the friction drive principle of the non-resonant linear piezoelectric motors. Firstly, the displacement amplification mechanism of the drive foot was carried on and the elliptical trajectory equation of the drive tip was deduced through the mechanism model of the drive foot. The optimization design of main structure parameters was conducted with finite element analysis software to analyze the influences of displacement amplification. The simulation results showed that the maximum magnification factor can be obtained when H(the thickness of flexible arm) is 0.8mm and θ (the flexible angle) is 12°. A linear piezoelectric motor prototype was designed and fabricated, the experimental results indicated that this kind of motor can run steadily in a wide range (the operation bandwidth is beyond 1kHz) and that the thrust can be 0.35N and the maximum velocity can be 2.5mm/s when the operation frequency is 4kHz and the operation voltage is 90V.
    Materialart: Online-Ressource
    ISSN: 1662-7482
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMM.459
    DOI: 10.4028/www.scientific.net/AMM.459.418
    Sprache: Unbekannt
    Verlag: Trans Tech Publications, Ltd.
    Publikationsdatum: 2013
    ZDB Id: 2251882-4
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 8
    Online-Ressource
    Online-Ressource
    The Spiral Space Form of Exhibition Buildings Based on Topology and Bionics
    Trans Tech Publications, Ltd. ; 2014
    In:  Applied Mechanics and Materials Vol. 620 ( 2014-8), p. 48-54
    Details
    In: Applied Mechanics and Materials, Trans Tech Publications, Ltd., Vol. 620 ( 2014-8), p. 48-54
    Kurzfassung: The continuity characteristics of spiral space is extremely suitable for function of exhibition buildings. Under the background of rapid development of technology and information, the forms of spiral spaces are becoming more sophisticated and creative. In this paper, we introduce the concept of “topology” and set the latest and most classic cases of spiral space form in Exhibition building, and make a meta-analysis of the idea of spiral space of exhibition buildings in two ways which are geometric topology and natural bionic, and aiming to study the homogeneity feature of the form.
    Materialart: Online-Ressource
    ISSN: 1662-7482
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMM.620
    DOI: 10.4028/www.scientific.net/AMM.620.48
    Sprache: Unbekannt
    Verlag: Trans Tech Publications, Ltd.
    Publikationsdatum: 2014
    ZDB Id: 2251882-4
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 9
    Online-Ressource
    Online-Ressource
    Research on Aerodynamic Characteristics of Air-Cooled Turbine Blade with Conjugate Heat Transfer Method
    Trans Tech Publications, Ltd. ; 2013
    In:  Advanced Materials Research Vol. 732-733 ( 2013-8), p. 270-275
    Details
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 732-733 ( 2013-8), p. 270-275
    Kurzfassung: In order to improve the performance of aero engines, trying to increase the turbine inlet temperature is an important way. But the turbine inlet temperature of modern aero engines can be more than 2000 K, which is far more than what the materials can bear. So advanced cooling technologies should be introduced to solve this problem. Using the conjugate heat transfer method, this paper researched the aerodynamic characteristics of a certain turbine blade with complex cooling structures. Some conclusions can be drawn: the velocity of the air flow and different distributions of coolant flow for turbine blade with multiple cooling air inlets have great influence on the cooling effect; the cooling effect decreases as the temperature ratio decreases; with the same mass cold gas, the less film cooling holes, the worse cooling effect; therefore, a reasonable air flow distribution plays an important role in obtaining good cooling effect.
    Materialart: Online-Ressource
    ISSN: 1662-8985
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMR.732-733
    DOI: 10.4028/www.scientific.net/AMR.732-733.270
    Sprache: Unbekannt
    Verlag: Trans Tech Publications, Ltd.
    Publikationsdatum: 2013
    ZDB Id: 2265002-7
    Standort Signatur Einschränkungen Verfügbarkeit
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    Online-Ressource
  • 10
    Online-Ressource
    Online-Ressource
    Thermal Comfort Study of Wall Hanging Air-Conditioning Office in Summer
    Trans Tech Publications, Ltd. ; 2014
    In:  Advanced Materials Research Vol. 1008-1009 ( 2014-8), p. 1088-1091
    Details
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 1008-1009 ( 2014-8), p. 1088-1091
    Kurzfassung: Airpak was applied to numerically simulate the air distribution under the same air supply temperature ,different air supply velocity (3.6m/s、2.7m/s and 1.8m/s ) and air supply angle (+15°、-45° and-75°) , and evaluate thermal comfort by Comparative analysis velocity fields, temperature fields, PMV—PPD. The results show that different air supply velocity and air supply angle have a significant impact on indoor air distribution under the same air supply temperature. Air supply angle Plays a vital role in pattern and distribution of indoor flow field,air supply velocity mainly effect the magnitude of indoor velocity and temperature. Synthetically comparied, the model’s best supply parameters are supply velocity 2.7m/s and supply angle75°,which mean value of indoor PMV is-0.09, PPD is 8.5%.
    Materialart: Online-Ressource
    ISSN: 1662-8985
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMR.1008-1009
    DOI: 10.4028/www.scientific.net/AMR.1008-1009.1088
    Sprache: Unbekannt
    Verlag: Trans Tech Publications, Ltd.
    Publikationsdatum: 2014
    ZDB Id: 2265002-7
    Standort Signatur Einschränkungen Verfügbarkeit
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