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Materials and methods The data used in this study were based on the database of the SCI published by Thomson Reuters Web of Science, Philadelphia, PA, USA.
Articles (27,787) comprised 94.5% of the total production, followed distantly by proceedings papers (3,553; 12.1%), reviews (1,131; 3.8%), meeting abstracts (197; 0.7%) and editorial materials (120; 0.4%).
Besides, the average number of articles per journal rose steadily from 3.7 per journal in 2000 to 5.7 in 2011.
Distribution of output in subject categories and journals.
S.Ho, Global trends in Helicobacter pylori research from 1991 to 2008 analyzed with the Science citation index expanded, European Journal of Gastroenterology and Hepatology.23(2011) 295-301

However, there are still many problems, such as poor removal of HCN in cigarette mainstream smoke (the reduction rate of HCN was less than 50% for most adsorbent materials), poor safety, high cost, etc., therefore, it is very attractive to find new adsorbent materials with good properties.
However, until now, there are no reports on the preparation of non-activated carbon porous materials directly from peanut shell.
Materials and Methods 2.1 Materials Peanut shell (PS) was obtained from a suburb of Zhengzhou, the 40-80 mesh PS granules were collected after crushing, and then dried at 60 ℃ under vacuum for 24 h.
[18] A Maleki, T Kari, M Aghaei, Fe3O4@SiO2@TiO2-OSO3H: an efficient hierarchical nanocatalyst for the organic quinazolines syntheses, Journal of Porous Materials, 24 (2017) 1481-1496
[19] A Maleki, J Rahimi, Synthesis of dihydroquinazolinone and octahydroquinazolinone and benzimidazoloquinazolinone derivatives catalyzed by an efficient magnetically recoverable GO-based nanocomposite, Journal of Porous Materials, 25 (2018) 1789-1796

Last two decades, the mechanical properties of materials used in the fields of aerospace and weapons are improving with the rapid development of materials science, such as high-strength steel, titanium alloy, some stainless steel.
Gandhi: International Journal of Machine Tools and Manufacture.
Ling: Journal of Yuzhou University.
Zhang: Journal of Mechanical Engineering.
Stahl: Journal of Engineering for Gas Turbines and Power.

This paper puts forward some corresponding countermeasures and suggestions on making reform on institutional level and the innovation of financial products to support the development of wood carbon sequestration materials industry, based on the financing obstacles to the development of wood carbon sequestration materials industry, form the significance of wood carbon sequestration materials development. 1.
The Development Status of Wood Carbon Sequestration Materials Industry Wood carbon materials sequestration should belong to sub-sectors of the environmental protection industry for its ecological environment protection effect.
However, wood carbon sequestration materials industry is still in the embryonic stage in forestry. 4.
Barriers of the Wood Carbon Sequestration Materials Industry 4.1 Capital costs are too high The capital cost of wood carbon sequestration materials in financing is including the planting costs, transaction costs and the opportunity costs.
Science 13 August Vol. 305. no. 5686, (2004), p. 968 – 972 [3] G.J.

An adhesive composition is used as a binder in many composite materials.
Crack resistance of an adhesive composition is the most important characteristic determining the bearing capacity of composite materials.
Introduction An adhesive composition (joint) is used as a binder in many composite materials.
One of the most important characteristics determining the bearing capacity of composite materials is a crack resistance of an adhesive composition.
Paraschi, The effect of the substrate material on the value of the adhesive fracture energy, Gc: Further considerations, Journal of Materials Science Letters, 20 (2001) 265–267

All materials are to be made in English, while teaching is made by half English and half Chinese.
Methods and problems of teaching in and preparing materials for the bilingual courses were studied [2].
Meanwhile environment of world is being damaged with fast growth of science and technology.
[2]Wang Tianjing: Journal of Research on Education for Ethnic Minorities, Vol.18(2007):92-97
[6] Miles, M: Journal of Quality Material, Vol.4 (1999), p.111

It indicated that this method can be used to design not only SiC/Ti(C,N)/Al2O3 ceramic die material but also other ceramic materials.
So the experiment times will be reduced, and the efficiency of materials design will be improved.
Mousavi Anijdan and A.Samadi: Computational Materials Science, Vol. 44 (2009), p. 1231 [3] N.
Sinan Koksal: Computational Materials Science, Vol. 47 (2009), p. 86 [4] J.J.
Swamy: Journal of Materials Processing Technology, Vol .195 (2008), p. 314 [6] C.

Abdennadher: International Journal of Mechanical Sciences Vol. 47 (2005), p. 757
Gibson: Materials Science and Engineering A Vol. 347 (2003), p. 70
Gibson: Materials Science and Engineering A Vol. 352, (2003) p.150
Bréchet: Materials Science and Engineering A Vol. 379 (2004), p. 240
Gao: Accepted by International Journal of Mechanical Sciences (2006)

The diffusion model of carbon atoms diffusion into γ-Fe has been established in terms of materials science theory.
There are two common mechanisms for atoms diffusing in solid based on materials science theory, vacancy diffusion and interstitial diffusion.
In view of this, the diffusion model about diamond wear is built on account of materials science theory.
Bulent: Journal of Materials Processing Technology, Vol.190 (2007), p.138
Ikawa: Key Engineering Materials, Vol. 196 (2001), p.69

Besides the materials of the friction pairs and the structure of the rubber material, they are related to such factors as fitting accuracy, lubrication medium and etc.
Ship Science and Technology, (2005), 27 (S1)
Journal of Harbin Bearing, (2005), 26 (2)
Naval Engineers Journal, 1985, (11)
Journal of Vibration and Acoustics,(2002), Vol 124:p 209-220