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  • 2005-2009  (7)
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Material
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Year
  • 1
    Electronic Resource
    Electronic Resource
    3-D Self-Assembled ZnSnO〈sub〉3〈/sub〉 Nanoparticles: One-Step Solid-State Synthesis (2005)
    s.l. ; Stafa-Zurich, Switzerland
    Journal of metastable and nanocrystalline materials Vol. 23 (Jan. 2005), p. 105-108 
    Details
    ISSN: 1422-6375
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: By means of solid-state reactions method, ZnSnO3 nanoparticles were prepared in the reactions of ZnCl2 and SnCl4·5H2O with KOH in the presence of added KCl crystal, and were assembled into 3-D aggregates with tetragonal-like shape in the size range of 20-200 nm. The products were characterized by powder X-ray diffraction (XRD), and the microstructures of the samples were investigated by transmission electron microscope (TEM), selected area electron diffraction (SAED) and high-resolution transmission electron microscope (HRTEM) in detail. Probable mechanisms for the formation of such tetragonal-like shape of ZnSnO3 3-D aggregates are proposed
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/43/transtech_doi~10.4028%252Fwww.scientific.net%252FJMNM.23.105.pdf
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Product Numbering System Design for Single Piece or Small Batch Customization Manufacture and its Process Organization (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Applied mechanics and materials Vol. 10-12 (Dec. 2007), p. 23-27 
    Details
    ISSN: 1662-7482
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: In this paper, a kind of product numbering system for single piece/small batchcustomization manufacturing and its process organization is put forward based on the current statusof Shenyang Heavy Machine Manufacture Group Co. Ltd. and the trends of advancedmanufacturing technology such as PDM/ERP etc. The numbering system developed includes allof relative public information data such as product order, design, process plan, manufacturing,marketing, consumer servicing and so on. A more favorable condition is created to realize theshare of relative information in the different departments of the company and to improve theresponse to the market
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/38/transtech_doi~10.4028%252Fwww.scientific.net%252FAMM.10-12.23.pdf
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Solidification Microstructure Modelling Using Cellular Automaton Method (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 32 (Feb. 2008), p. 271-274 
    Details
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: A model based on the cellular automaton (CA) technique for the simulation ofsolidification microstructure has been developed. An improved solid fraction calculating method isused, in which the solid fraction of the interface unit is calculated by temperature compensationmethod combined with local equilibrium phase diagram. And then, a quadratic equation of solidfraction can be calculated according to the local temperature, solute concentration and curvature.The method avoids the assumption of the position and shape of solid/liquid interface. By using thismodel on A356 aluminium alloy, a dendrite growth process is simulated. The model can predict thefinal microstructure both grain size and grain morphology. It also predicts the Si concentrationdistribution in both solid and liquid phases
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/40/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.32.271.pdf
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Development of a general manipulator path planner using fuzzy reasoning (2005)
    Bradford : Emerald
    Industrial robot 32 (2005), S. 248-258 
    Details
    ISSN: 0143-991X
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Purpose - Aim for efficient motion planning of industrial robot with high degree of freedoms in both static and dynamic environments. Design/methodology/approach - A multi-agent based general path planner for serial manipulator is proposed in this work. A hierarchical structure developed based on fuzzy reasoning is employed in the planner. The high level in the hierarchical structure is designed to dynamically assign each link an appropriate behaviour and the low level is designed to determine the joint speed according to the behaviours assigned by the high level. Findings - Combination of multi-agent concept and fuzzy reasoning approach can obtain both flexibility and efficiency in motion planning of serial manipulator with high degree of freedoms. Research limitations/implications - Multiple local minima problem occurred in complex manipulation scenario has not yet been considered. Practical implications - Applicable for real time motion planning of serial industrial robots with high degrees of freedom in 3D space. Originality/value - In this research work, we make use of the of multi-agent plus fuzzy logic concept to design a novel manipulator motion path planner, in particular, we introduce a novel mechanism into the fuzzy logic algorithm with the "back-tracking" ability to avoid the local minima problem.The proposed motion planner has advantages on low computational cost, the suitability for real time path planning in 3D space and the capability to escape simple local minima.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/01439910510593947
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Siraita grosvenorii (Luo Han Guo; Cucurbitaceae) is a new host of Ralstonia solanacearum in China (2005)
    Oxford, UK : Blackwell Science Ltd
    Plant pathology 54 (2005), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.2005.01227.x
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Material Removal Model and Experimental Verification for Abrasive Jet Precision Finishing with Wheel as Restraint (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 304-305 (Feb. 2006), p. 555-559 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The material removal rate (MRR) model was investigated in abrasive jet precisionfinishing (AJPF) with wheel as restraint. When abrasive wore and workpiece surface micro-protrusion removed, the size ratio for characteristic particle size to minimum film thickness gradually diminishing, the abrasive machining from two-body lapping to three-body polishing transition in AJPF with grinding wheel as restraint. In the study, the material removal rate model was established according to machining mechanisms and machining modes from two-body to three-body process transition condition, and active number of particles in grinding zone were calculated and simulated. Experiments were performed in the plane grinder for material removalmechanism and academic models verification. It can be observed from experimental results that the surface morphology change dramatically to a grooved or micro-machined surface with all the grooves aligned in the sliding direction in two-body lapping mode. On the other hand, the surface is very different, consists of a random machining pits with very little sign of any directionality to the deformation in the three-body machining mode. Furthermore, the material removal rate model wasfound to give a good description of the experimental results
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/50/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.304-305.555.pdf
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Application of Particle Swarm Optimization-Based Digital Beamforming Technique to the Identification of Multiple SAW Tags (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 381-382 (June 2008), p. 443-446 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Some tags in the radio frequency identification (RFID) application based on the surfaceacoustic wave (SAW) technique often locate in the field of a transceiver simultaneously, leading todifficult identification. In this paper, the digital beamforming technique is applied to identifymultiple SAW ID-tags to address difficulties in identification. The direction of arrivals (DOAs) areused to denote the locations of the tags and the particle swarm optimization (PSO) algorithm issuggested to find the optimal estimates of the DOAs. Once the DOAs are obtained, the arrayweights are then formed and the signals of tags are recovered to implement decoding. Theexperiment results show that a good identification of multiple SAW ID-tags is achieved
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/57/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.381-382.443.pdf
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