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Growth of Variable Aspect Ratio ZnO Nanorods by Solochemical ProcessingMarivone Gusatti,Daniel A.R.Souza,Nivaldo C.Kuhnen,Humberto G.RiellaDepartamento de Engenharia Química e Engenharia de Alimentos...="ChDivSummary" name="ChDivSummary">In this work,variable aspect ratio(length divided by diameter) zinc oxide nanorods were synthesized through a simple solochemical method by reacting a Zn2+ precursor......
Adjacent stage impurity ratio in rare earth countercurrent extraction process程福祥1,吴声1,2,廖春生1,2,严纯华21. China Minmetals (Beijing) Research Institute of RE Co.,Ltd.2. Beijing National Laboratory..." name="ChDivSummary">Impurity components decrease stage by stage in a cascade of rare earth (RE) extraction separation, and adjacent stage impurity ratio (ASIR) which is defined as the ratio......
and Engineering, Shenyang Aerospace University, Shenyang 110314, China)Abstract:The microstructure and properties of a quarternary Mg-8Er-5Zn-0.5Zr (mass fraction, %) alloy with the low Er/Zn mass ratio of 1.60 were investigated. It is found that despite of the low Er/Zn mass ratio, the microstructure of the as-prepared alloy is composed of α-Mg, W phase with face-centered cubic structure and long......
Shear modulus and damping ratio of sand-granulated rubber mixturesM. Ehsani1, N. Shariatmadari1, S. M. Mirhosseini2(1. School of Civil Engineering, Iran University of Science and Technology, Tehran..., torsional resonant column and dynamic triaxial experiments were carried out and the effect of the important parameters like rubber content and ratio of mean grain size of rubber solids versus soil solids......
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Joint formation mechanism of high depth-to-width ratio friction stir weldingYongxian Huang,Yuming Xie,Xiangchen Meng,Junchen Li,Li ZhouState Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology摘 要:High depth-to-width ratio friction stir welding is an attractive method for the joining demands of aluminum profiles, which......
J. Cent. South Univ. (2017) 24: 1647-1653 DOI: 10.1007/s11771-017-3570-1 Effect of water absorption ratio on tensile strength of red sandstone and morphological analysis of fracture surfaces WANG... decreases as the water absorption ratio increases. The fracture surfaces of failed red sandstone discs were scanned by Talysurf CLI 2000. With the aid of Talymap Gold software, based on ISO25178......
Theoretical study of break down pressures and fracture initiation angles based on model containing wellbore and perforations FAN Yong1, 2, ZHAO Yanlin1, 2, ZHU Zheming1, 2, ZHOU Changlin1, 2, ZHANG...) Abstract: In order to study the influences of perforation parameters on break down pressures and hydraulic crack initiation angles, a 2D model containing perforations and wellbore was established......
Parametric study on collapse margin ratio of structureOU Xiao-ying(欧晓英), HE Zheng(何政), OU Jin-ping(欧进萍) (Department of Civil Engineering, Dalian University of Technology, Dalian 116024, China)Abstract:The determination of collapse margin ratio (CMR) of structure is influenced by many uncertain factors. Some factors that can affect the calculation of CMR, e.g., the elongation of the structural......
variables, FOSM (First order second moment) was utilized and fuzzy random dependability analyzing model was set up. By using decomposing theorem and introducing λ cut set,fuzzy numbers were convened... cut set way is in accordance with the actual results further. Key words: first order second moment; fuzzy stochastic reliability; λ cut set; interval numbers; retaining wall 传统挡土墙采用定值设计方法设计,以安全系数来表......