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Influence of Additives on Preparation of Aluminum Foam Hao Lin1, a Hongjie Luo2,b Wei Sun2,b and Guangchun Yao3,c 1,2,3 School of Materials&Metallurgy, Northeastern University, Shenyang 110819, China.
Introduction Aluminum foam is a new kind of material which has characters of low density, high specific surface and porous structure.
By powder compact metallurgy (PCM) method, the sample has a characteristic of near-net shape and metallurgical bond is achieved by rolling-cladding a sheet of foamable precursor material with conventional aluminum or steel sheets.
Acknowledgements This work was financially supported by National Natural Science Foundation of China (51174060) and by National High Technology Research and Development Program of China(2008AA03Z512).
[4] Lei Wang, Guangchun Yao and Hongjie Luo, et al.: The Chinese Journal of Nonferrous Metals, Vol. 20(2010), p. 1339.

The lower part of the HUASB reactor consists of inoculums as sludge to developed a granular and an upper part will fill with some material to avoid biomass wash out together with effluent.
The modification of HUASB followed by DFAF-Down flow aerobic filter consist with material such as zeolite are investigated to find the process of nitrification are works in the second phase of reactor.
Materials and Methods A laboratory scale combination of two laboratory scale reactor Hybrid Up-Flow Anaerobic Sludge blanket (HUASB) with Down-Flow Aerobic filter (DFAF) are use in the experiment.
[4] B. ayati, *h. ganjidoust, "comparing the efficiency of uaff and uasb with hybrid reactor in treating wood fiber wastewater" iranian journal of environmental health science & engineering,vol. 3, no. 1, 2006, pp. 39-4, 2006

Effects of continuous casting mould vibration feeding strip on the slab structure YU Linhui1, LI Jidong1,2,a,Shevchenko Anthony3, Shen Minggang1, Zhang Baoguo2，Wang Yiyong1,2 1 Yingkou Metallurgical Equipment & Refractories Company Limited, Yingkou 115100, Liao Ning, China ; 2 University of Science and Technology Liaoning, Anshan 114051, Liao Ning, China ; 3 Ferrous Metallurgy Research Institute of Ukraine state, Dnipropetrovsk 49125, Ukraine aemail: lijidong1014@163.com Keywords: continuous casting; equiaxed crystal; crystallizer; feeding steel strip Abstract: Continuous casting mold feeding steel strip is a new technology to improve the organization and the equiaxed crystal ratio of casting slab.
The device structure is shown in figure 1: Fig.1 The continuous casting feeding steel belt machine of crystallizer 1 belt putting canister; 2 steel belt; 3 straightening dragging device; 4 cutting device; 5 connecting pipe; 6 vibrator; 7 middle jug; 8 liquid steel; 9 submersed nozzle; 10 crystallizer We can see from the figure 1, vibrator and consumed cold material are located in molten steel pouring area, other institutions can be configured in the casting area outside.
Using the elastic vibration consumption cold material can greatly speed up the melting rate, basically eliminates the condensing layer on the surface when cold material get into the molten steel.
The end result is that the slag and other non-metallic inclusion does not get into the blank formed with the cold material.
Journal of iron and steel research, 2011,11:54-58

Because of the distribution symmetry of temperature field, we only take half to analysis. 2.2 The selection of parameters The thermal physical parameters of material are shown in table 1.
Table 1 The material thermo physical parameters The type of material Temperature（℃） Density （Kg/m³） Thermal conductivity （J/m·℃） Specific heat capacity （J/Kg·℃） Concrete -15 2500 2.56 1390 -10 2500 2.51 1466 -5 2500 2.47 1541 0 2500 2.42 1617 5 2500 2.37 1692 10 2500 2.33 1768 15 2500 2.28 1843 20 2500 2.23 1920 Surrounding rock 2600 1.21 1122 insulation layer 35 0.025 1380 2.3 The initial temperature and boundary conditions Temperature which was applied to the tunnel contour is the temperature that was mensurated in runnel , this temperature can be composed of sine function, the general formula is In the formula, T—temperature,℃; Ta—the annual average temperature,℃; A—annual ranges of temperature,℃; t—time,day.
(c) 2cm insulation layer Figure 1 Temperature distribution image from the tunnel portal 200m 2 From the tunnel portal 400m when there is no insulation layer, the surrounding rock will have trace freezing phenomenon, we can still consider lay 5cm heat insulating material to prevent frostbite. 3 From the tunnel portal 500m when there is no insulation layer, the temperature of surrounding rock is higher than freezing temperature,that is mean surrounding rock will not occur frost damage.
Shanxi Science & Technology of Communications, 2012,(1):80-82
Journal of Xi’an University of Architecture & Technology, 2013,45 (2):158-163

Material and Method Test Material.
Except for different sedimentation values, the shape, color, weight and other characteristics of grain of wheat of these materials are quite different.
Liaoning Agricultural Science. 9-11 (2005), p. 2, in Chinese
Journal of Instrumental Analysis. 66-69 (2007), p. 1, in Chinese.

Acknowledgements This work was financed by the National Natural Science Foundation of China (No.51378436) and the technical development program of the China Railway Corporation (No.2010G018-C-1-3).
Applied Mechanics and Materials, 2014, Vols:580-583, p1096~1099
Journal of Modern Transportation. 2014, 22(1): pp:1-11
Applied Mechanics and Materials, 2013, Vols:353-356, p1321~1324

The exploration and development of novel energy system has been an important direction in the realm of science and technology.
The findings could provide significant theoretical basis for designing new catalytic materials.
Methods All calculations were carried out with the program package in Materials Studio.
Journal of Catalysis, 2014, 317:158-166

In crystalline materials, the problem is mainly dealing with point defects, dislocations, and their interactions.
Introduction This chapter is devoted to relaxation spectroscopy and its use in materials science.
Concluding remarks about relaxation spectroscopies and their use in materials science are given in Section 9.
The same procedure was applied to polymeric materials.
Morianez, Journal de Chimie Physique 68, 436 (1971)

Acknowledgement Great support is given by National Natural Science Foundation Projects numbered 61072100 and 51107029,Science and Technology Research Project of colleges and universities in Hebei province numbered ZD2010119 and Natural Science Foundation of Tianjin numbered 12JCYBJC12400.
Grey theory [M].Wu han: Huazhong University of Science and Technology Press,2002
Gray system theory and its application [M].Beijing: Science Press,2010
Effect of WC and CeO2 on microstructure and properties of W-Cu electrical contact material[J].
Journal of Refractory Metals & Hard Materials201028：305 -311

Materials and methods Fresh, mature, and disease-free ipomoea plants were collected from nearby Pondicherry University campus.
Brazilian Journal of Pharmacognosy 22 (2012) 682-713, [4] J.
Journel of material Science 43 (2008) 5115-5122
Materials Research Bulletin 42 (2007) 1212-1220
Material Sciences and Engineering C 32 (2012)1827-1834