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In the industrial fibre group, fibres that are usually used in concrete are polypropylene (Aarthi and Arunachalam, 2018), metallised plastic waste (Bhogayata and Arora, 2017), galvanised iron wire (Emon et al., 2017), steel (Abbass et al., 2018), glass (Poojitha and Pravallika, 2017), waste paper (Jiang et al., 2016), waste carpet fibre (Abdul Awal and Mohammadhosseini, 2016), basalt (High et al., 2015), polymer (Ganiron Jr (2013), carbon (Safiuddin et al., 2018), nylon and rubber.
Wang et al., (2000) reported that concrete toughness is enhanced by the addition of 0.5% to 2% short fibres amount by volume in a concrete mix.
Vijaya et al. (2018) utilised waste plastic fibres in 0.25% to 1.4% proportion for grade 40 concrete.
Sangrutsamee et al. (2012) discussed that the waste paper is a valuable material because it can be recycled or reused.
El-Safty and S.H.

Furthermore, an in vivo study by Porter et al. indicated more rapid remodeling of bone surrounding the Si-HA when compared to HA [6].
The ion-substituted hydroxyapatite (Si-CHA) was prepared according to the method described by Ibrahim et al [7].
The obtained mixtures were washed with de-ionized water before immersion in 0.1M aqueous glycine solution 99% (El Nasr Pharmaceutical Chemicals Co.) to block the residual aldehyde groups and get rid of any toxic un-reacted glutaraldehyde.
This view is in accordance with what was previously reported by Kim et al. [3].
The present findings are in accordance with those of Chang et al [13] for gelatin/HA nano-composites.

Numerical Evaluation of Biomechanical Stresses in Dental Bridges Supported by Dental Implants Amel BOUKHLIF1,a, Ali MERDJI1,2,b*, Noureddine DELLA1,c, El-Bahri OULD CHIKH1,d, Osama MUKDADI3,e and Rajshree HILLSTROM2,f 1Faculty of Science and Technology, University Mustapha Stambouli of Mascara, Algeria 2Medical Engineering Research Group, Faculty of Science & Technology, Anglia Ruskin University Bishop Hall Lane, Chelmsford, Essex, UK 3Department of Mechanical and Aerospace Engineering, West Virginia University, Morgantown, WV 26506, USA aamel.boukhlif@yahoo.fr, b,*merdji_ali@yahoo.fr, cdella_nour@yahoo.fr, dchikhb@yahoo.com, esam.mukdadi@mail.wvu.edu, frajshree.hillstrom@anglia.ac.uk Keywords: dental bridge, FE analysis study, supporting implants, bone, masticatory load, stress analysis.
Monaco Jr., E.L.
Al-Shammery, Long-term survival of sleeve-designed fixed partial dentures: A clinical report.

It was revealed that the flow stresses of superplasticity happening for Zr-Al-Ti-Cu-Ni [11], Fe-Hf-Nb-B [12], Pd-Ni-P [13] and La-Al-Ni [14] alloys are 200, 100, 70 and 40 MPa, respectively.
Considering the interaction of elements in the La55Al25Cu10Ni5Co5 alloy with W, the binary La-W, Al-W or Cu-W systems have few solubility of W in La, Al, Cu, but W has a large solubility in Ni or Co [27].
Sherif El-Eskandarany and A.

Al-Hattab2,b* 1,2Chemical Engineering Department, Babylon University, Babylon, Iraq.
Grace, J., et al;[21], used SMR equilibrium modeling with oxygen and hydrogen withdrawals.
Yusaf et al., "Sustainable Aviation—Hydrogen Is the Future.
El Hawa, S.
Ernst, "Computational fluid dynamics study of the dry reforming of methane over Ni/Al 2 O 3 catalyst in a membrane reactor.

El-Sayed et al. [63], evaluated that how hydroxyl-terminated poly(amidoamine) (PAMAM) dendrimers, block copolymer polystyrene-b-poly(sodium acrylate), and poly(N-vinyl-2-pyrrolidone) (PVP) impacted over the Pd NPs stability after synthesis.
Al Thabaiti, A.Y.
Al-Sulaiman, Optical properties of various nanofluids used in solar collector: A review.
[50] A.L.
El-Sayed, The Effect of Stabilizers on the Catalytic Activity and Stability of Pd Colloidal Nanoparticles in the SuzukiReactions in Aqueous Solution.

Chlob et al. studied epoxy composites with varying ratios of animal bones and fibers, testing tensile and flexural strength.
Bagus Tri Mulyo et al. studied 24 specimens, including 12 substitutes, with six SNI helmets having different fiber volume fractions.
Elsadig Mahdi et al. explored Khalasa date palm leaf fiber as a reinforcement for polymeric composites.
Samir Benaniba et al. studied a composite mortar reinforced with date palm fiber (DPF) for thermo-mechanical properties.
A., & El-Tonsy, M.

The measured pavement responses are compared between the pavement sections to evaluate the effects of various experimental factors, such as axle load, speed, et al.
Journal of Tongji University(Natual Science) , 34(3):33l-334 (2006, In Chinese) [5] Siddharthan Raj V, Sebaaly Peter E, EL-Desouky Maqdy, Strand Dan, Huft David: Heavy Off-road Vehicle Tire-pavement Interactions and Response, Journal of transportation engineering, 131(3):239-247(2005) [6] Nan-xiang Zheng, Si-sheng Niu and Xin-quan Xu:Temperature, Axle Load and Axle Load Frequency Model of Rutting Prediction of Heavy-duty Asphalt Pavement.China Journal of Highway and Transport, 22(3): 7-13(2009, In Chinese) [7] Zhi-guang Guan, Ming-xing Lin and Xu-guang Wang: Design on Highway Accelerated Loading Testing Facility.

Composite Structures, 2008. 84(3): p. 271-281 [2] Bahei-El-Din, Y.A., G.J.
[5] Yi, J., et al., Polymer, 2006. 47(1): p. 319-329
[12] Fukushima, H., et al.,.
[14] Yu, A., et al.,.
-C., et al.,.

(in Chinese) [3] Basem Shomar, Fayeq El-Madhoun, Alfred Yahya.
[5] Grit Walther, et al.
[6] Carles M., et al.