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Baljit Singh et al. [104] synthesized NVP based hydrogels by radiation induced cross-linking.
David Fax et al., New York: John Wiley and Sons Inc., Vol III (1965), p. 830
Nizam El-Din, Manal F.
El-Naggar, Metal sorption and swelling characters of acrylic acid and sodium alginate based hydrogels synthesized by gamma irradiation, Nucl.
El Sayed, Synthesis and controlling the optical and dielectric properties of CMC/PVA blend via gamma-rays irradiation, Nucl.

Xu et al. used the method of empirical analysis to analyze willingness of forest farmers about forestland transfer in the following factors: educated level, the level of awareness, family's forestland area, forestry income, satisfaction of forest assets evaluation and so on [5].
Pérez et al. developed a Forest Geographic Information System for Galicia called ‘SIFGa’ through building a database of all the necessary variables in a bid to predict the temporal and spatial future tendencies of forestland [9].
Ahn et al. found that econometric forestland use model was an effective tool to accurately forecast forest area.
Chen et al. analyzed the mainly influencing factors and influence degree of the households, transfer willingness on forestland by the binary logistic regressive model after collective forest tenure reform [23].
[2] LI El-Juhany:Australian Journal of Basic and Applied Sciences Vol.3 (2009),p. 2677-2696

Meyers et al. [5] studied several biological materials (e.g. nacre, ligaments, hoofs, blood vessels, beak interiors, chameleon, etc.) using diverse materials approaches.
Prior work by Chenzhao et al [8], Rhee et al [9], Kantesh et al [10], and Magwene, P.
The obtained EB is close to that (7.1 GPa) obtained for Terrapene Carolina (Tc) by Rhee et al [7].
F., Hwang, Y., Lim, H., El Kadiri, H., Trim, W.

A study conducted by Zhang et al. [14] indicated that increasing the silicone/polyether ratio led to smaller cell size, as it lowered the surface tension of the foaming system.
Baferani et al.,[18] reported that incorporating silicone surfactant into flexible PU foams within the range of 0.5 pphp to 2.5 pphp marginally improved the foam's compressive strength and elastic modulus.
Han et al.,[19] supported this research outcome and found that silicone surfactants with a higher silicone/polymer ratio resulted in smaller cells, leading to decreased thermal conductivity in the PUF samples.
[9] Eling, B., Tomović, Ž., & Schädler, V. (2020).
[14] Zhang, X.D et al. (1999): Role of silicone surfactant in flexible polyurethane foam, in: Journal of Colloid and Interface Science, vol. 215, no. 2, pp. 270–279, [online] doi:10.1006/jcis.1999.6233

Cytotoxicity tests have already been performed in PNIPAAM by Chastek et al. [45] and Cooperstein et al. [46] they found that the low levels of toxicity have been reported for the cells.
Poly (N-isopropyl acrylamide) gelatin (PNIPAM-gelatin) was considered by Ohya et al.
Leidlein et al. [80] proposed a new class of shape-memory polymers activated using light.
Recently, Wen et al. [82] developed magnetic responsive alginate/chitosan hydrogel for cell separation.
Gorishnyy, E.L.

Sol-gel spin coating method [17], electroless (EL) [18-21], and chemical bath deposition (CBD) [22] are some of the chemical methods.
Do, et al., Hydrogen roles approaching ideal electrical and optical properties for undoped and Al doped ZnO thin films, J.
Riaz, et al., Role of Mn in biological, optical, and magnetic properties ZnO nano-particles, Appl.
Ohtomo, et al., An oxide-diluted magnetic semiconductor: Mn-doped ZnO, Appl.
Al-Bataineh, et al., Optical band gap and refractive index dispersion parameters of boron-doped ZnO thin films: A novel derived mathematical model from the experimental transmission spectra, Optik (Stuttg.) 211 (2020) 1646

# Reference Corrosion fc [MPa] fy[MPa] fyst[MPa] cmin[mm] cmax[mm] 1-4 Zhu et al. 2013, 2015 Environmental 45 530 500 10 52 5 Lundgren et al., 2015 Natural 46 600 400 25 50 6-7 Rodriguez et al., 1995 Artificial (slow) 35 585 626 10 39 8-10 Rodriguez et al., 1995 Artificial (slow) 37 585 626 10 39 11-16 Dang and François, 2013 Environmental 45 530 500 40 70 LEGEND: c min, max = cover Table 3: Geometry
El Maadawi, K.

[11] A.L.
Nikolaev, A.L.
Lysenko, A.L.
Amirabadi, Effect of Substitution of Al for Fe on Magnetic Properties and Particle Size of Ni-Co Nanoferrite, World Journal of Condensed Matter Physics (3) 2013 131-135
El-Shobaky, A.A.

The capabilities and limitations of some existing wireless sensor network standards are analysed in Zand et al. [23].
Huff et al., Rotorcraft Health Management Issues and Challenges.
Manzato et al.
Grappasonni et al,.
Peeters., El-kafafy.

Experimental 2.1 Synthesis and Characterization The nanoparticles were synthesized by co-precipitation method using CuSO4.5H2O (Merck) and Al(NO3)3.9H2O (Merck).
In the FT-IR spectrum of the prepared CAO nanoparticles (Fig 3 (a)), the bands observed at 614 and 693 cm-1 and the shoulder around 800 cm-1 could be assigned to the vibrations of the Cu-O, Al-O and the Cu-O-Al bonds[38-40].
Bian, Formation and characterization of monolithic nanoporous copper by chemical dealloying of Al− Cu alloys, The Journal of Physical Chemistry C, 113 (2009) 6694-6698
Moreira, E.L.