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Porosity,Pore Size Distribution and Chloride Permeability of Shotcrete Modified with Nano Particles at Early Age李贺东1,闫东明1,CHEN Genda2,XU Shilang1,LIU Jintao1,HU Yanjia11. Department of Civil... in corrosive environments. In this study, through experiments on 70 specimens, the effects of nano SiO2, CaCO3 and Al2O3 particles on the early-age porosity, pore size distribution, compressive strength......
Calculation of temperature distribution in adiabatic shear band based on gradient-dependent plasticity WANG Xue-bin(王学滨) (Department of Mechanics and Engineering Sciences, Liaoning Technical University, Fuxin 123000, China) Abstract: A method for calculation of temperature distribution in adiabatic shear band is proposed in terms of gradient-dependent plasticity where the characteristic......
J. Cent. South Univ. (2012) 19: 443-452 DOI: 10.1007/s11771-012-1023-4 Gaussian process assisted coevolutionary estimation of distribution algorithm for computationally expensive problems LUO Na(罗娜... estimation of distribution algorithm with Gaussian process was proposed. Coevolution was used in dual populations which evolved in parallel. The search space was projected into multiple subspaces and searched......
Effect of particle size distribution on the microstructure,texture,and mechanical properties of Al–Mg–Si–Cu alloyXiao-feng Wang1,Ming-xing Guo2,Cun-qiang Ma3,Jian-bin Chen1,Ji-shan Zhang2,Lin-zhong... Machinery Company摘 要:The effect of particle size distribution on the microstructure,texture,and mechanical properties of Al–Mg–Si–Cu alloy was investigated......
Effect of Al4C3 Particle Size Distribution in a Al–2.5C Master Alloy on the Refining Efficiency of the AZ31 AlloyYu-Zhen Zhao,Xiao-Teng Liu,Hai HaoKey Laboratory of Solidification Control and Digital... is prepared to investigate the effect of the Al4C3 particle size distribution on the refining efficiency of the AZ31 alloy. The results indicate that the Al4C3 particles are potent nucleation substrates......
combinations are corresponding radial connected configurations in a distribution network with lots of nested loops. Therefore, the solution space size is reduced and the performance of the scheme is improved... J. Cent. South Univ. (2018) 25: 600-615 DOI: https://doi.org/10.1007/s11771-018-3764-1 A compound objective reconfiguration of distribution networks using hierarchical encoded particle swarm......
J. Cent. South Univ. Technol. (2010) 17: 1006-1010 DOI: 10.1007/s11771-010-0591-4 A new analytical algorithm for computing probability distribution of project completion time HOU Zhen-ting(侯振挺...: An analytical algorithm was presented for the exact computation of the probability distribution of the project completion time in stochastic networks, where the activity durations are mutually......
Effect of Particle Size and Distribution of Rapidly Quenching NdFeB Magnetic Powder on Magnetic Properties of Polymer-Bonded NdFeB Permanent MagnetLiu Ying Tu Mingjing (Department of Metal Material, Sichuan University, Chengdu 610065, China)摘 要:PolymerbondedNdFeBpermanentmagnet,firstlyappearedin1980s,isanewtypeofpermanentmagneticcomposite......
agreement with the range of experimental data, but it is biased towards the lower limit slightly. Key words: ionic concentration; average cluster sizes; cluster size distribution; power law...J. Cent. South Univ. Technol. (2009) 16: 0399-0404 DOI: 10.1007/s11771-009-0067-6 Average cluster sizes and cluster size distributions of superfine nickel particles in light media LI Jing......
positioning system (GPS) and interferometric synthetic aperture radar (InSAR) data were used to derive the coseismic slip distribution of the earthquake fault. Firstly, based on the homogeneous elastic... and 50.2° southwest-dipping. Secondly, fixing the optimal fault geometric parameters, the fault plane was extended and discretized into 16×16 patches, each with a size of 1 km×1 km, and the non-uniform......