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Through research on several different rib surface form and deep tensile properties of GFRP bar materials, different rib depth effect on the tensile properties of GFRP bar material was got.
The Preparation of GFRP Bars Some kinds of GFRP bars are manufactured in Chinese Education Ministry Research Center of Fiber Composite Materials and Structural Engineering, Zhengzhou University, their diameter is 18mm.
Seible, Use of FRP composites in civil structural applications, Construction and Building Materials, Vol. 17 6 (2003) 389-403
Guo, Grey relational analysis of parameters on bond between GFRP rods and concrete, Sichuan Building Science, Vol. 37 6 (2011) 10-13
Wang, Comparison and experimental study of bond behavior of deformed GFRP bars in different surface form, Glass Fiber Reinforced Plastic/Composite Materials, 2 (2007) 37-39

And a new social contract for science is urgently needed (Lubchenco, 1998:491-497).
And she proposes that the scientific community formulate a new Social Contract for science.
The target is to make efficient and recycling use of resource; The principle is to reduce, reuse and recycle materials; The characteristic is material closed loop; The economic model is in accordance with the operation of material circulation and energy flow systems.
The second feature is science and technology pilot.
S. in: American Science, Vol.77, No. 36, (1989) [59] Schulze, E.

[5] ZZ Wang, BJ Qu, WC Fan: Journal of applied ploymer science. 81(2001), 204
[8] PR Hornsby, CL Watson: Journal of materials science. 30(1995), 5347
[10] CM Liauw, P Dumitru, GC Lees: Macromolecular materials and engineering. 288(2003), 412
[13] JZ Xu, TT Tang, HQ Qu: Advanced Engineering Materials. 194(2011), 633
[16] DS Zhang, ZQ Liu, LJ Li: Progress in materials and processes. 602(2013), 1693.

Computational Materials Science, 2022, 203:111081
Materials Letters, 2022, 309:131376
Materials Science & Engineering A, 2004, 387:203-208
Progress in Materials Science, 2014, 60(1):130-207
Materials Science & Engineering A, 2021, 814:141231

Materials and methods Sample preparation.
The flexural strength was measured using a universal materials testing machine (Shimadzu AGS-X, Japan) at a cross-head speed of 1 mm/min.
Engqvist, H., The effect of composition on mechanical properties of brushite cements, Journal of the mechanical behavior of biomedical materials, 29 (2014) 81-90
Lumley, The flexural properties of endodontic post materials, 26 (2010) 730–736
Quinn, A practical and systematic review of Weibull statistics for reporting strengths of dental materials, Dental Materials, 26 (2009) 135-147

Materials and Methods Preparation of Adsorbents.
To evaluate the effect of materials concentration, mixed suspensions of 0.1 g of the materials and variable volumes of dye solution, to a constant concentration, what would give solid/solution quotient (materials concentration) of 10, 5, 2.5, 1 and 0.5 g/L, were prepared.
This is in relation with the solute transfer rate onto the materials surfaces, which decreased with increasing material concentration [10].
This applies to both S and SNHC materials.
Chang, Adsorption of acid dyes from aqueous solution on activated bleaching earth, Journal of Colloid and Interface Science. 275 (2004) 72-78

The localization of deformation in recrystallizing materials is investigated via a series of two-dimensional grain-scale numerical simulations.
Introduction The localization of deformation in geological materials is a widely studied phenomenon at all scales, from the formation of deformation bands within single grains, up to crustal scale shear zones [1,2,3].
Nevertheless, grain size increase during deformation is commonly observed in materials below their steady state grain size.
The two types of localization demonstrated by this simple system indicate the limitations of applying simple flow laws to natural materials, as even over very short time scales the material is undergoing cyclic deformation behavior.
Poirier, Shear localization and shear instability in materials in the ductile Field, Journal of Structural Geology 2 (1980) 135-142

Experimental Materials Poly(vinyl alcohol), (99% degree of hydrolysis); Cellulose nanocrystals ( NCC) were prepared in our laboratory.
Journal of Applied Polymer Science, 103(2), 909–916
Journal of Materials Science: Materials in Medicine, 14(8), 687–691
Mechanical properties of starch-based materials.
Journal of Applied Polymer Science, 97(5), 1783–1794

Materials and Methods Materials and Reagents.
The surface of samples was coated with gold as a conductive material.
Chauhan: Asian Journal of Chemistry.
Farhadi: Turkish Journal of Engineering & Environmental Sciences.
David: Archives of Applied Science Research.

Introduction Rolled magnesium alloy sheets are promising light-weight structural materials due to their excellent properties and large strength-to-weight ratio which are potentially suitable for applications in many industrial areas [1].
Journal of Alloys and Compounds.Vol. 499 (2010),p273
Journal of Materials Processing Technology.
Journal of Applied Mathematics and Mechanics, Vol.5(1925),p39
Chinese Journal of Mechanical Engineering.