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High performance fabrics

Xem 1-19 trên 19 kết quả High performance fabrics
  • This research presents a structural design of high-level waste (HLW) container using ultra-high performance fiber reinforced concrete (UHP-FRC) material. The proposed design aims to overcome the drawbacks of the existing concrete containers which are heavy, difficult to fabricate, and expensive. In this study, the dry storage container (DSC) that commonly used at Canadian Nuclear facilities is selected to present the proposed design.

    pdf12p minhxaminhyeu3 12-06-2019 3 0   Download

  • The electrospinning process is highlighted with the ability of fabricating fibers with diameters on the nanometer scale, small inter-fibrous pore size and high porosity, vast possibilities for functionalization with high surface area to volume or mass ratio, ease of use and instrument setup, and adaptability. It attracted a great deal of attention due to its unique properties. Different polymers have been successfully electrospun into ultrafine fibers using this technique including synthetic polymers such as polyurethane (PU).

    pdf6p nguathienthan1 24-11-2019 4 0   Download

  • In order to be suitable for tribological applications, polymeric materials, which can usually exhibit mechanical strength, lightness, ease of processing, versatility and low cost, together with acceptable thermal and environmental resistances, have to show good abrasion and wear resistance. This target is not easy to achieve, since the viscoelasticity of polymeric materials makes the analysis of the tribological features and the processes involved in such phenomena quite complicated.

    pdf0p orchid_1 25-09-2012 54 13   Download

  • other than this, automation and optimization of production engineering was attempted in various fields. okumoto et al. (2005d) optimized the block allocation on the assembly area using simulated annealing method. wibisono et al. (2007) optimized block division planning using genetic algorithm and product model. universal shipbuilding corporation (2008) developed a high performance nc printing machine, which enables fast printing irrespective of the number of characters and lines to be printed.

    pdf64p quynho77 13-11-2012 42 5   Download

  • In this research, we present the ZnO nanorods synthesized through the simple route of the hydrothermal method. The ZnO nanorods were developed through the application of only zinc acetate Zn(CH3 COO)2 and ammonia solution, NH4 OH, in the hydrothermal process at 1500 C for 10 hours. The size of the ZnO nanorods was defined as approximately 300 nm in diameter and 1-2 µm in length. The fabrication of sensors was achieved through drop-coating of synthesized ZnO nanorods on Al2 O3 substrates integrated with Au electrodes.

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  • An electrostatic induction spray charging system as attachment to powered knapsack mistblower was developed and evaluated for the performance. A high voltage generator was fabricated on the basis of Cockcroft-Walton voltage multiplier principle with input of 6 V DC battery to provide high voltage required at the developed charging electrode assembly (Model-I and II) for inducing electrostatic charge on spray droplets.

    pdf16p caygaocaolon4 04-04-2020 9 0   Download

  • In this paper, an innovative and efficient sandwich panel is proposed for the structural walls for quickly assembled post-disaster housing, as well as load bearing panels for pre-fabricated modular construction and semi-permanent buildings.

    pdf16p tohitohi 19-05-2020 2 0   Download

  • The experimental results show that the highest photocatalytic activity was obtained from the Ag (5) doped Zn-0.75Al-0.25La-CO3 photocatalysts calcined at 500 0C with a degradation efficiency of 99,4 after 40 min of irradiation only. This study could provide a new route for the fabrication of high performance photocatalysts and facilitate their application in the environmental remediation issues.

    pdf13p tamynhan4 06-09-2020 3 0   Download

  • SiO2 and TiO2 sols were successfully synthesized by using sodium silicate and titanium chloride as Si and Ti sources. SiO2-TiO2 sol coated polyester/cotton fabric was fabricated by deepcoating method and using SiO2 , TiO2 sols as coating materials. SiO2 -TiO2 coated fabric were characterized by XRD, FTIR, TGA, SEM and EDX. From SEM image, it showed the SiO2, TiO2 particles of 20-30 nm which well deposited on fabric surface. TGA result revealed the significant improvement of thermal resistance and stability of SiO2-TiO2 coated fabric as compared to those of uncoated fabric.

    pdf8p kequaidan11 07-04-2021 2 0   Download

  • SnS2 has been investigated as anode material for lithium ion batteries. To obtain anode material having high capacity and long-term lifespan, in the present work, a nanostructured composite comprising SnS2 nanosheets and CMK-3 ordered mesoporous carbon has been designed. The CMK-3/SnS2 composite is fabricated via incipient wetness impregnation, followed by chemical reduction and chemical conversion in an inert gas at high temperature. The obtained composite exhibits boosted lithium storage behaviors involving high specific capacity, fast rate response and stable cyclability.

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  • Concrete Bridge Construction 46.1 46.2 46.3 Introduction Effective Construction Engineering Construction Project Management General Principles • Contract Administration • Project Design • Planning and Scheduling • Safety and Environmental Considerations • Implementation and Operations • Value Engineering (VE) • Quality Management • Partnership and Teamwork • Project Completion and Turnover of Facility 46 Simon A. Blank California Department of Transportation 46.4 46.5 Major Construction Consideration Structural Materials Normal Concrete • High-Performance Concrete • Steel Michael M.

    pdf18p naunho 27-12-2010 84 21   Download

  • This book is designed for a one-semester course on Nano- and Microelectromechanical Systems or Nano- and Microengineering. A typical background needed includes calculus, electromagnetics, and physics. The purpose of this book is to bring together in one place the various methods, techniques, and technologies that students and engineers need in solving a wide array of engineering problems in formulation, modeling, analysis, design, and optimization of high-performance microelectromechanical and nanoelectromechanical systems (MEMS and NEMS).

    pdf241p thix1minh 16-10-2012 63 11   Download

  • In this paper, we are dealing with a L-band power combiner method using the Wilkinson bridge. This is a modern power combination technique in the microwave technology. The design and simulink of the basic power moduls and Wilkinson bridge were performed using the ADS soflware. We have researched, designed and fabricated the power combination from the basic 200W moduls. The experimental results showed that power combination method using the Wilkinson bridge may be applicable in the L-band transmission....

    pdf5p tuanlocmuido 19-12-2012 58 3   Download

  • A green sorbent material was fabricated through the simple addition of reduced graphene oxide (rGO) to natural rubber (NR) latex. The effect of rGO content in the NR foam on petroleum oil adsorption was investigated. The addition of rGO in NR increased the petroleum oil adsorption capacity of the resulting NR/rGO (NRG) composite foam (12–21 g g1 ) with respect to those of the pure NR foam (8–15 g g1 ) and a commercial sorbent (6–7 g g1 ). The adsorption capacity was optimal for 0.5 phr rGO (NRG-0.5).

    pdf11p trinhthamhodang1 14-11-2019 3 0   Download

  • Organic light-emitting diodes (OLED) are playing a major role in information technology (IT) by providing the promise of further expanding the use of digital displays through making display fabrication technology lower in cost and higher in performance to replace liquid crystal displays (LCD). Due to various attractive features such as high contrast, high brightness, large color gamut and thin structure, various sized OLED displays from small-sized mobile phone display to large-sized TV display have already begun to be mass-produced....

    pdf0p ktcn_1 10-07-2012 77 11   Download

  • Iron oxide nanorods were synthesized by chemical co-precipitation method. The structural and morphological characteristics of the as-synthesized nanorods were analyzed by Xray diffraction (XRD) and scanning electron microscopy. The results show that the iron oxide nanorods include the mixture of Fe3O4, γ-Fe2O3 and FeOOH with the diameter and the length of iron oxide nanorods to be 30 and 100 nm, respectively. The iron oxide nanorods were then dispersed and deposited on the gold electrode of quartz crystal microbalance (QCM) for the gas sensor.

    pdf8p nguyenminhlong19 22-04-2020 12 1   Download

  • The effectiveness of concrete structures reinforced by the high strength steel wire mesh-polymer mortar depends on the bond-slip behavior of the interface between the polymer modified cement mortar layer (referred as mortar layer) and the concrete. The areas of the mortar layer tested in the previous studies are generally very small and the obtained conclusions are with limited applications. In this study, the experimental approach was used to analyze the slip behavior of the interface between the concrete block and a larger scale mortar layer.

    pdf13p christian2605 11-10-2019 4 0   Download

  • Organic pollutants in industrial and agricultural sewage are a serious threat to the environment and human health. Achieving continuous photocatalytic degradation of organic pollutants under light and dark conditions would have exciting implications for practical sewage treatment. In this paper, CuS/gC3N4 composite catalysts with CuS nanoparticles anchored on g-C3N4 sheets were successfully fabricated via a simple solvothermal reaction.

    pdf9p trinhthamhodang1 14-11-2019 4 0   Download

  • The current work deals with fabrication and validation of a new highly Fe3+ selective sensor based on benzo-18crown-6 (b-18C6) using the potentiometric method. The proposed sensor revealed satisfactory performance for quantitative evaluation of Fe3+ trace amount in environmental samples.

    pdf12p vijiraiya2711 27-05-2020 9 0   Download

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