Search results

Table 1 Chemical composition of raw materials % Raw materials SiO2 Al2O3 Fe2O3 CaO MgO SO3 K2O Na2O Ignition loss FA—1 45.93 24.35 9.48 6.15 2.18 — 0.91 0.41 9.61 FA—2 57.31 32.50 4.89 2.45 0.55 — 0.76 0.47 2.32 Inhibiting Alkali-Sulfate Reaction.
Acknowledgement This work was supported by the Liaoning Province Natural Science Foundation of China (20092151).
B, Berube.M.A: Canadian Journal of Civil Engineering, Vol. 27 (2000) No. 2, p.167
[3] Shuhua Liu, Faguang Leng and Lihua Li, in: The New Concrete, Building Materials Press of China (2008), p.35

Materials and Method The adsorbent materials like zeolite 4A and zeolite 13X were purchased from local chemist.
Fig. 3 CO2 adsorption isotherms on zeolite 13X Fig. 4 CO2 adsorption isotherms on zeolite 4A Table 3 Toth constants and their regression coefficients Toth constant Δq% Mate- rial Temp (°C) b n R2 Zeolite 13X 25 3.945 12.037 0.957 6.9 35 3.572 11.874 0.988 8.9 45 3.125 9.743 0.967 8.9 60 3.074 7.201 0.978 11.7 Zeolite 4A 25 3.153 10.032 0.987 7.4 35 2.971 9.075 0.974 9.5 45 2.763 7.547 0.989 7.9 60 2.374 6.012 0.975 10.5 Table 4 Sips constants and their regression coefficients Sips constant Δq% Mate- rial Temp(°C) b n R2 Zeolite 13X 25 4.845 12.037 0.991 7.9 35 4.371 11.874 0.992 6.7 45 3.925 9.743 0.983 5.2 60 3.474 7.201 0.987 8.7 Zeolite 4A 25 3.353 10.032 0.997 5.4 35 2.991 9.075 0.989 7.5 45 2.676 7.547 0.999 6.9 60 2.378 6.012 0.985 9.5 Regeneration studies Fig. 5 Adsorption isotherms of zeolite 13 X Fig. 6 Adsorption isotherms of zeolite 4A The two adsorbents were tested for material aging by using the same adsorbent over 5 adsorption
This indicated that the adsorption is not reversible and complete regeneration cannot be obtained by adsorption of the material after adsorption.
Mahanta, Kinetic, Thermodynamic and Regeneration Studies for CO2 Adsorption onto Activated Carbon, International Journal of Advanced Mechanical Engineering. 4(1), 27-32 (2014)
Springer Science and Business Media, Inc, Boston (2005)

Influence of Direct Current Field on Powder-pack Boriding Fei XIE Qiuhua ZHU Jinjun LU Materials Science and Engineering Department, Jiangsu Polytechnic University, Changzhou, Jiangsu Province, 213016, P.
Soaking in conventional powder-pack boriding (CPB) usually lasts for 3~8 hours at the temperature range of 850�1000� to obtain a layer of boride (FeB-Fe2B) with thickness of 30�200µm according to the requirement of machine part and the property of the treated material[1~4].
Schematic of the main part of the experimental apparatus:� 1) Lid�2) Specimens as cathode�3) Thermo-couple�4) Device for temperature measuring � 5) ceramic protection tube � 6) Voltage-controllable DC supplier�(7) Conducting line�(8) Boriding container�9) Boriding agent�10) Specimens as anode�11) Sealing material Table 1.
Comparison of the layer thickness of DCFPB and CPB specimens���%�)H furnace temperature: 
��°С™���� Boride layer thickness�[µm] Materials Opposite side of cathode specimens Opposite side of anode specimens CPB specimens 20 steel 105 70 55 45 steel 97 65 42 T12 steel 62.5 50 32 Influence of DCF current.
Journal of Rare Earth 18, 205 (2000).

Influence of Particle Size and Ca Addition on the Magnetic Performance and Microstructure of Mnzn Ferrite Ling Zhang, Xiaolong Li, Dong Liu, Yao Ying, Liqiang Jiang and Shenglei Che* Research Center of Magnetic and Electronic Materials, College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China cheshenglei@zjut.edu.cn Keywords: MnZn ferrite, Microstructure, Electromagnetic performance, Grain size.
Tsay, et al, Improvement on magnetic power loss of MnZn-ferrite materials by V2O5 and Nb2O5 co-doping, J.
Murase, Dissolution and Segregation Behavior of Ca in the Sintering Process of MnZn Ferrite, Journal of Japan Society of Powder and Powder Metallurgy, 2009, 56(3)111-115.

Peculiarities of nucleation kinetics at interfaces of reacting materials is studied much less [16-17, 13].
Feldman, Electronic Thin Film Science - for Electrical Engineers and Materials Scientists, Macmillan, NY, 1992
Tu, Solder Joint Technology: Materials, properties, and reliability, Springer, 2007
Gusak, Ukrainian Physical Journal 35 (1990), p.725

Influence of Melt Holding Time on Microstructure and Mechanical Properties of Ductile Iron Zhe Liu1, a, Weiping Chen1,b and Yu Deng1,c 1State Engineering Research Center for Metallic Materials Net-shape Processing, School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640, China aliuzhe2012@hotmail.com, bmewpchen@scut.edu.cn, c714732095@qq.com Key words: Ductile iron, Cooling rate, Antimony, Microstructure Abstract.
Experimental Material and Procedure The melting process was carried out in a medium-frequency induction furnace of 30kg in capacity.
The charge materials used were pig iron and steel scrap.
Acknowledgements This work was financially supported by the Significant Science and Technology Project of Guangdong-Energy conservation and emission reduction and renewable energy(2008A080800022).
Journal of rare earths Vol. 24 (2006), pp. 103-107

General With the development of science and technology, the measurement will be changed from micro to nano in the manufacturing field.
At present, in some industrial field, requirements have been put forward for nano scale micro-positioning table, such as semiconductor devices, optics, manufacturing of miniature and special materials processing, etc.
The precision ceramic type linear motor is selected to drive this system based on the comparison of performance, and the precision piezoelectric ceramic motor is adopted as the driving components, which has the characteristic of small size, low cost, high power output, fast response and high precision and no electromagnetic interference, its driving principle is adopted the piezoelectric materials.
Since the granite material has many advantages of the high stiffness, high damping coefficient and low thermal expansion coefficient, the material for the motion platform can improve anti-vibration and thermal stability of the whole platform.
[7] Tim King, Michele Pozzi and Angelo Mannara, Power Engineering Journal, June (2000).

Kwon1 1 School of Materials Science and Engineering, Seoul National University, Shilim-dong, Gwanak-gu, Seoul 151-744, Korea, 2 Frontics, Inc., Research Institute of Advanced Materials, Seoul National University, Shilim-dong, Gwanak-gu, Seoul 151-744, Korea Keywords: Residual stress, Instrumented indentation, Contact deformation, Stress directionality Abstract: A theoretical model has been proposed to assess quantitative residual stress from a stress-induced shift in an indentation curve, but the assumption in this model of equibiaxial surface stress has obstructed its application to real structures in complex stress states.
Introduction An instrumented indentation technique, developed to characterize the mechanical properties of small-volume materials [1-4], is adopted as a nondestructive stress-measurement method.
While the curve shift in the Journal Title and Volume Number (to be inserted by the publisher) pure-shear state is negligible, the amount of the stress-induced load shift is linearly proportional to the applied average stress because the averaged effects of the surface biaxial stress are transmitted along a unique indenter column.

Development of Polyamide-Modified Membranes for Solar-Driven Seawater Desalination System BANABATAC Lorenz Inri C.1,a, TAN Noel Peter B.2,b* 1,2Department of Chemical Engineering, College of Technology, University of San Agustin, General Luna St, Iloilo City Proper, Iloilo City, 5000 Iloilo, Philippines 1,2Center for Advanced New Materials, Engineering, and Emerging Technologies (CANMEET), University of San Agustin, General Luna St, Iloilo City Proper, Iloilo City, 5000 Iloilo, Philippines alibanabatac@usa.edu.ph, bdtan@usa.edu.ph Keywords: Polyamide, Interfacial Polymerization, One-stage passive solar desalination system, Membrane distillation Abstract.
LEGEND: Evaporation Condensation Saltwater Distilled water Solar Absorber Upper Hydrophilic Layer Hydrophobic Layer Air Gap Aluminium Plate Heat Sink Lower Hydrophilic Layer Hydrophobic Layer Solar Absorber MODIFIED MEMBRANE LAYER Hydrophobic Layer Air Gap Aluminium Plate Heat Sink Lower Hydrophilic Layer Hydrophobic Layer Upper Hydrophilic Layer Saltwater Distilled water (A) (B) Fig. 1 Theoritical Framework of the Unmodified (A) and Modified (B) Passive Solar Desalinaiton System Experimental Materials. m-phenylene diamine (MPD) flakes (99%), trimesoyl chloride (TMC) crystals (98%), and hexane (99%) were purchased from Sigma-Aldrich.
Report of an interlaboratory comparison from the European Reference Laboratory for Food Contact : ILC002 2013 - Identification of polymeric materials.
Journal of Macromolecular Science, Part A: Pure and Applied Chemistry, 55(4), 377–383. https://doi.org/10.1080/10601325.2018.1444418 [11] M.

The carbonaceous solid material, which is also a CO2-neutral fuel, is converted to energy by combustion.
Materials and Methods Background of the mill.
The unburned carbon particles appeared to be in fibre form as in the original raw material illustrating of incomplete combustion.
Agriculture and Agricultural Science Procedia. 2 (2014) 265-271
International Journal of Energy and Environmental Engineering. 4 (2013) 19-3