Green Power, Materials and Manufacturing Technology and Applications II

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Authors: Qiang Li
Abstract: To ethanol fuel engine performance and the physical and chemical properties were introduced, and the mixed fuel ethanol diesel phase solublecharacteristic test, hybrid fuel mixture fuel of cold, mixed fuel filter point of viscosity and lubricity, mixed fuel distillation range and hybrid hexadecane value, hybrid density and calorific value and mixed fuel phase separation and stability analysis of numerical calculation.
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Authors: Xiu Mei Zhang, M.A. Tschopp, Sheldon Q. Shi, Jun Cao
Abstract: Molecular modeling and dynamics simulations were used to generate equation of state properties of amorphous cellulose with the reactive force field ReaxFF which has been extensively parameterized and validated for hydrocarbon in a previous communication. Obtaining specific volume as a function of temperature for amorphous cellulose, the change in slope of the specific volume vs. temperature curves can be used to locate glass transition temperatures (Tg) reliably. With the results, there was reasonable agreement between experimental results and values of density and Tg obtained from the simulations. In addition, the suitable ReaxFF time step was investigated to help conserve the total energy of the system. The results show that the glass transition temperature can be used to verify the equilibration of the amorphous cellulose and to provide insight into the further deformation simulations.
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Authors: Xiang Hai Jing, Yu Yan Liu, Yu Xi Liu, Hui Feng Tan
Abstract: Kevlar fiber and carbon fiber reinforced shape memory epoxy composites were prepared respectively. The fold-deploy shape memory properties of the composite system were studied at the temperature which was 30°C higher than the glass transition temperature of resin. The results shows that shape fixed rate and shape recovered rate of the composites are decreased with the increase of Kevlar and carbon fiber volume. The shape fixed rate of Kevlar fiber reinforced shape memory composite is higher than that of carbon fiber reinforced shape memory composite, but the shape recovered rate of the former is much lower than the latter.
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Authors: Tian Xin Li, Yong Cun Zou, Shan Xue Jiang
Abstract: A novel mesoporous composite water purification material was synthesized from natural zeolite to possess certain water purification properties as well as in proper particle size range for optimal fluid flow, particle retention and mass transfer in fixed bed applications. The meerschaum was used as the framework material in the experimental manufacturing procedure, polyethylene alcohol with carboxylic methylic cellulose was used as cohesive reagent, and H2O2 as bubble-forming agent. And the resulted granular product has good abrasion resistance ability with the measured impact breaking time reaching 12 hours. In addition, its decoloring rate is only 4.4% lower and its CODcr removing is only 13.2% lower than those of the original powder product, respectively. As a whole, the granulation potential and significantly expands the zeolite wastewater treatment application range with (only is not necessary) minor reduction of its treatment efficiency.
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Authors: Dian Shi Xiao, Hong Li Chen, Hai Feng Chen
Abstract: Putaohua reservoir in south of Daqing Placanticline is rich in oil and gas resources. However, the distribution of oil and gas is so complex and the hydrocarbon accumulation process is still unclear by now. Due to low proven reserves, it is not effective to explore the reserves. By use of the logging interpretation and results of production test and together with analysis of the oil and gas distribution and hydrocarbon accumulation process of Putaohua reservoir in south of Daqing Placanticline, the controlling factors of hydrocarbon accumulation in aspects of oil and gas migration pathway, developmental characteristics of sand, local structure etc are discussed in order to optimize potential blocks. The hydrocarbon of Putaohua reservoir in both flanks in south of Daqing Placanticline is from the local K1qn1 source rock. Hydrocarbon migration mainly depends on vertical movement and is supported by short-distance lateral migration; hydrocarbon accumulation is mainly affected by restrictions of oil source fault and high fault block, so that most of hydrocarbon accumulate in the distributary channel and distal bar of reverse faulting footwall, horst, reverse fault and other high fault blocks where are closely adjacent to the oil source faults.
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Authors: Huan Zhang, Chun Xia He, De Rong Lu, Min Yu
Abstract: As a novel environmental protection, sustainable and energy-saving building material, Wood Plastic Composites (WPC) has been acknowledged gradually and has been used extensively in the trade of building materials in Chinese mainland. By acquiring SEM images of PP/rice husk composite and using digital image processing based on MATLAB, the composite microstructure images were subsequently processed, e.g. image gray adjust, filtering, smoothing, region segmentation, morphological processing, etc. The image processing results show that the processed images are clearer and more discriminative than those unprocessed, which hereafter facilitate to analyze the relationship between microstructure and macroscopic properties of WPC in depth for the future.
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Authors: Fu Quan Guo, Ying Ying Li, Bin Guo, Hao Liang
Abstract: Optical–grade polycarbonate (PC) was separated from optical disks by a chemical approach and used to prepare nanocomposite to make full use of the wasted polymers. A quaternary ammonium-modified montmorillonite (organic montmorillonite, OMMT) was chosen as a modifier and an auxiliary functional resin (CBT160) was utilized to exfoliate the layers of montmorillonite. The characterization results of X-ray diffraction (XRD) and transmission electron microscopy (TEM) for PC/ OMMT (5wt %) revealed that an exfoliation structure of the nanocomposite was obtained. The mechanical measurements show a great increase in tensile strength and Izod impact strength of PC/ OMMT nanocomposite compared with the recycled optical–grade PC.
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Authors: Zhi Yuan Wang
Abstract: High performance concrete originated in the generation of high strength concrete, and it is a new high technology of concrete, is in common with high quality and in concrete. High durability on the perspective of improvement and become, use a lot of high quality raw materials and modern technology, is the main development direction of concrete. Because its comprehensive performance by the superiority of the focus of the society, the strict construction technology in the extensive application in the highway bridge, high performance can the use of concrete can improve the efficiency of its safety and avoid unnecessary accidents
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Authors: Yue Li, Jian Hui Wu, Bin Hao, Da Cheng Liu
Abstract: The Crystal Transformation of flue gas desulphurization (FGD) gypsum was analyzed by differential thermal analysis (DTA) and X-ray Diffraction (XRD). FGD gypsum was used as cement setting retarder and the influences on the properties of cement were studied by treating FGD gypsum at different heat treatment processes. The results reveal that in the case of adding the same amount, the setting time of cement shortened with the increasing of heat treatment temperature of FGD gypsum. The influence of different heat treatment processes on the strength of cements was not obvious and the strength development was good. The water consumption of normal consistency for cements changed slightly. Stability was qualified.
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