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These papers indicate that the bionic unit is the key to improve the materials.
Materials Science and Engineering A. 412 (2005) 323-327
Journal of Materials Processing Technology. 190 (2007) 211-216
Materials Science and Engineering A. 433 (2006) 144-148
Journal of materials processing technology. 206 (2008) 473-480

Therefore, HAp is one of the most attractive materials in the biomedical applications.
The surface quality of the tooth inhibits to unify HAp materials into enamel or dentin.
Sasaki, Effect of hydroxyapatite film formed by powder jet deposition on dentin permeability, European Journal of Oral Sciences. 120 (2012) 558–562
Marszalek, Crystalline hydroxyapatite coatings synthesized under hydrothermal conditions on modified titanium substrates, Materials Science and Engineering C. 51 (2015) 57–63
Mehl, Wear characteristics of current aesthetic dental restorative CAD/CAM materials: Two-body wear, gloss retention, roughness and Martens hardness, Journal of the Mechanical Behavior of Biomedical Materials. 20 (2013) 113–125

Refs. [5] and [6] have analyzed the effects of radar absorbing materials on the RCS reduction.
The table shows that after coating radar absorbent materials, the RCS is obviously reduced from 4.88 to 2.62 dbsm.
From the figure we can see that the stealthy materials have a large effect on the reduction of helicopter’s detection probability.
For example, coating radar absorbent materials means an increase in the helicopter’s weight and cost.
[2] J.Y.Li,S.Tang,Journal Of XiDian University,Vol 32(2005) p 414-417

Development of Materials for Solid State Hydrogen Storage Katarína Kušnírová1,a*, Lenka Oroszová1,b, Dagmara Varcholová1,2,c and Karel Saksl1,2,d 1Institute of Materials Research, Slovak Academy of Sciences, Watsonova 47, 040 01 Košice, Slovak Republic 2Faculty of Materials, Metallurgy and Recycling, Technical University of Košice, Letná 9, 042 00 Košice, Slovak Republic a*kkusnirova@saske.sk, bloroszova@saske.sk, cdvarcholova@saske.sk, dksaksl@saske.sk Keywords: Hume-Rothery criterion; high entropy alloys; solid state hydrogen storage; solid solution.
Interest in solid materials suitable for hydrogen storage in 2016 was focused on high-entropy materials after a publication by M.
High-entropy materials: A brief introduction.
Journal of Applied Physics 109 (2011) 103505
In Progress in Natural Science: Materials Internat. 21 (6) (2011) 433-446

This technology uses the abrasive water jet as the polishing tool and quite suits to process the workpiece of brittle materials with the complex surface shapes.
[6] K.Yuzo.Mori, Kazuto Yasutake, Hidekazu Goto, et al.: Journal of Crystal Growth Vol. 275 (2005) p. 39-50
Zhang: Key Engineering Materials Vol. 404 (2009), p. 143-148
Zhang: Advanced Materials Research Vol. 53-54 (2008), p. 363-368
Zhang, et al.: Journal of Micromechanics and Microengineering, Vol. 19 (5) (2009) p. 1-6.

The test parameters and materials used in copper CMP experiment list in table 1.
ACKNOWLEDGEMENT The authors would like to thank the National Nature Science Foundation of China (NSFC) for the supporting and the people involved in the work.
Chinese Journal of Mechanical Engineering,Vol.39(2003), pp.100-105
Science Material Forum, ,Vol.471-472 (2004), pp.26-31
John, et al.: Optimization of tribological properties of silicon dioxide during the chemical mechanical planarization precess, Journal of Electronic materials,Vol.30(2001), pp.1520-1526

Abstract Currently, titanium dominates the dental implant materials due to its strength and bio-inerrability.
New implant materials are proposed, the most promising new implant material is perhaps functionally graded material, for short FGM [2, 3].
Journal of Biomedical Materials Research Part B-Applied Biomaterials, 2005. 75B(1): p. 74-80. 3.
Composites Science and Technology, 2004. 64(6): p. 893-908. 4.
Journal of Biomedical Materials Research Part A, 2007. 80A(1): p. 146-158. 5.

Ruano: Texture evolution during large-strain hot rolling of the Mg AZ61 alloy, Materials Science and Engineering A, 355 (2003), 68-78
Ruano: Accumulative roll bonding of a Mg-based AZ61 alloy, Materials Science and Engineering A, 410-411 (2005), 353-357
Chen: Microstructure and mechanical properties of Mg-Al-Zn alloy sheets severely deformed by accumulative roll-bonding, Journal of Materials Science, 42 (2007), 9256-9261
Fatemi-Varzaneh: An analysis to plastic deformatiom behavior of AZ31 alloys during accumulative roll bonding process, Journal of Materials Science, 45 (2010), 4494-4500
Vogt: Properties of Magnesium Strips produced by Twin-Roll Casting and Hot Rolling, Materials Science Forum, 690 (2011), 21-24

Organic EL devices, or organic light-emitting diodes, are mainly composed of emission materials, hole-transporting materials and electron-transporting materials.
A number of emission materials and hole-transporting materials were reported.
In contrast, materials for electron-transporting materials are only a few [4].
Journal of Functional Materials.
Advanced Materials Research.

The choice of similar materials and the design of mix proportions is a key step in landslide model test.
On the basis of experiment, we conduct a research for the similar materials which may sufficing volume weight, cohesive force, angle of internal friction, deformation modulus, and the infiltration coefficient on the same time.
Based on the predecessors' experience ,this paper conducts an exploration research on the new mix proportion of similar materials which satisfy the similarity of the deformation, destruction, and infiltration ( i.e, volume weight, deformation modulus, cohesive force, angle of internal friction and infiltration coefficient are all similar) to meet the practical landslide model test requirements. 2 Choices of Similar Materials and Schemes of Mix Proportion The landslide model test is based on the similarity between model and prototype.
According to the principles above and the overall requirements of the landslide similar materials, which is a kind of high volume weight, low cohesive force, low deformation modulus, low infiltration coefficient and the right angle of internal friction granular materials, I successively explores two sets of similar material test plan. 3 The First Set of Similar Material Test Plan The first kind of similar material is the mix of high-strength glass micro beads and talcum powder. 3.1 Physical Properties of the Similar Material High-strength glass micro beads are the primary counterweight material.
[4] F.P.Ma: Study on Model Material and Its Applications in Geological Mechanics Model Test (Journal of Electricity Generation, China 2004)