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Online since: December 2011
Authors: V.P. Baharev, A.S Vereshchaka
Along with high strength and anticorrosion properties CCM have low fracture toughness and favourable friction properties which is associated with presence of porosity and an extensive network of grain boundaries.
The overlapping of curves 1 and 2 on Fig. 2(a) at various n numbers of turns of lapper testifies the change of dispersion mode, as it is proved by the results of practical research. 0 200 400 600 800 1000 1200 1400 -b (D UC) 25 50 75 100 125 150 175 n0, rev/min а) 1 2 0,05 0,07 0,09 0,11 0,13 0,15 Р, МPа 7,2 7,6 8,0 8,4 8,8 9,2 b) ln К (s) 1 2 Fig 2.
Online since: November 2012
Authors: Jyoti Rozra, Alisha Goyal, Annu Sharma, Pawan K. Sharma, Isha Saini
Intensity of peak is found to be increased on increasing the concentration of silver nanoparticles in PMMA and shifts towards higher wavelength indicating the increase in the grain size of silver with in polymer matrix.
This may be due to the increase the number of atomic refractions due to the increase in linear polarizability [10].
Online since: May 2011
Authors: Jian Li
Experimental 2.1 Materials and the preparation process The UHMWPE used was supplied by Ticona as a powder, type GUR 2122, with an average grain size of 20 mm.
Acknowledgements The authors would like to thank help from “Chen Guang” project supported by Shanghai Municipal Education Commission and Shanghai Education Development Foundation(project no. 09CG65) and the support by Leading Academic Discipline Project of Shanghai Municipal Education Commission, Project Number: J51802.
Online since: June 2012
Authors: Yan Zhi Xia, Zong Hua Wang, Yan Li Gao, Jian Fei Xia, Fei Fei Zhang, Yan Hui Li
While many grains are observed on the flakes of G obviously, as shown in Fig. 1b, which means that a large amount of GL are well decorated on G layer-to-layer.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (authorization numbers: 20975056 and 81102411); Shandong (ZR2011BZ004 and ZR2011BQ005);JSPS and NSFC under the Japan-China Scientific Cooperation Program (21111140014); the Taishan Scholar Program of Shandong Province (TS20070711); and the National Key Basic Research Development Program of China (973 special preliminary study plan) (Grant no.: 2012CB722705).
Online since: February 2011
Authors: Lu Xia, Jin Huang, You Shou Zhang
Process of sample preparation is as follows, standard silicate sand is produced in DaLin of Inner Mongolia, 50-100mesh, round grain shape, addition of binder or curing agent is given according to practical production.
SEM was made in Japan, model number is JSM-6390LV.
Online since: April 2007
Authors: Tie Song Lin, Ke Ning Sun, De Chang Jia
Although the loss of the percolation among metallic grains with time and thus the decrease of the TPB cannot be avoided completely, it can be reduced substantially by yielding well-mixed narrow sized particles to control microstructure of the cermets.
Acknowledgements This project was funded by National High Technology Development Program of China under grant number 2003AA302440.
Online since: September 2013
Authors: Wen Yan Li, Ming Zhong Gao
Table 1 The initial parameter table number designation symbol unit result 1 gas entrance diameter D mm 150 2 height of reaction unit H mm 1000 3 Density of magnetic material(Fe3O4) 1 kg/m3 5180 4 Oxygen carrier density(Fe2O3) 2 kg/m3 5240 5 grain diameter d mm 0.1-0.3 6 Particle mass flux m kg/s 0.0022 7 Air density 3 kg/m3 1.225 8 Air kinematic viscosity 3 kg/(m*s) 1.7894*10-5 9 Inlet gas velocity v m/s 0.6-1.0 10 Fixed time t s 2 11 Magnetic coefficient MagC N*m2/kg 0.2 Magnetic Force Model.This calculation is based on the Fluent software using its secondary development that is UDF programming added volume force source to simulate the magnetic field completed.Suppose added to the reactor of the applied magnetic field is distributed stable, the static magnetic field does not change with time.An attractive source phase (since the filtering effect) is added in the original space, it inhalation magnetic particles.
Online since: January 2012
Authors: Jin Hu Dong
And fly ash-resin composite can be used for laid floor, inside adornment, wall sound insulation layer, can also be used for grain depot, sewers, swimming pool, canal project as well as the dam leakage [1, 2].
Tab.1 Experimental formula Sample numbers Modified fly ash/wt% epoxy/wt% 1﹟ 85% 15% 2﹟ 80% 20% 3﹟ 70% 30% 4﹟ 60% 40% 5﹟ 50% 50% Performance test and structure characterization Tensile properties tested by GB/T 1040.2-2006, tensile speed is 50mm/min.
Online since: April 2011
Authors: Rui Zhang, Yan Hang Lv
As a result, different types of crop (grain, root, vegetable, aromatic and medicinal herbs, ornamental plants, tree and fruit crops) and animals (poultry, rabbits, goats sheep, cattle, pigs, guinea pigs, fish, etcetera) are planted and raised in harmony, forming a self-sufficiency small biosphere.
Vertical farm, as an example, seems to be a new solution for scientific reuse of the waste materials, integrating a number of agro-ecological ideas and technology through the vertical space, such as waste recycle, hydroponics, aquaculture and so on [4].
Online since: September 2013
Authors: Chang Song Lin, Xin Huai Zhou, Shi Qiang Xia, Yan Yan Chang
Lower part of section A mainly appeared high density turbidity currents with coarse-grained sandstones and pebbles, characterized by grossly fining-upward successions.
Based on the characteristics of seismic profiles, a number of sublacustrine fan types are identified in the north Liaozhong Depression: (1) “vermicular” seismic reflection with middle-strong amplitude, good continuity and soft deformation structure; (2) “vermicular” hummocky seismic reflection with indiscriminate seismic reflection in the center and smooth seismic reflection on the margin; (3) seismic reflections with strong amplitude and lateral migration; (4) strong amplitude seismic reflections with distinct incised valley; (5) hummocky seismic reflection with strong amplitude and good continuity.
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