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One such chitosan derivative, first developed by Zhong et al, 2010 [8] is maleic chitosan.
Similar findings were reported by Li et al, 2009 [26], which showed that exposure to maleic chitosan aqueous solution resulted in a 40% reduction in formazan production in BAEC cells at the highest tested concentrations.
Similar findings were reported by Zhong et al, 2010 [8], who found that maleic chitosan/PEGDA had some cell adhesive properties and suggested that further modifications would be necessary to improve cell adhesion. 3.4.2 Live dead assay As shown in Figure 6, MC3T3-E1 cells which remained attached to the surface of the scaffold after 3 days in culture appeared viable, fluorescing green, with only a small number of dead cells.
El-Amin, Bone graft substitutes, Expert Rev Med Devices. 1 (2006) 49-57

According to Ndimele et al. (2018) [8], remediation can be carried out either ex situ or in situ using diverse technologies.
According to Hamouda et al., [17], the algae growth rates were determine using the optical density.
This trend was also observed by Hamouda et al. (2023) when studying the growth rate of Chlorella sp. in different concentration of kerosene [1].
El-Sayed and M.

It has also been shown that employment availability within the waste management sector cut across the range from blue-collar jobs to professional science, engineering to low skilled labour (Duston, 1993, Nelson, et.al., 2007).
Also, Hoornweg et al. (1999) have shown that for every metric ton of unsorted municipal solid waste, 0.2 Mt are converted to landfill gases.
This is because waste varies according to type of households, their income and generally the land use in a given area (Contreau, 1992; AbuQadis et.al., 1997; Adedibu, 1985; Bunar and Ozkan, 2008).
El Cologeo de la Frontera Norte, Tijuana

True stress-strain curve of Al 6061 Finite Element Model Reconstruction of Bone Structures In this research trabecular (cancellous) bone was analyzed at the metaphyses of four different species including rat, rabbit, chicken, and sheep with n = 1 per species.
Due to the differences in sample and trabecular bone sizes in the different species we implemented an adapted nominal resolution (isotropic voxel dimension) for each bone according to Bouxsein et al. [16].
Material Al 6061 properties were applied for the FE analysis.
El-Hage, P.K.

Scheme for recording images from a speckle pattern on a steel p adhered to two steel plates and recording the distribution of deformations in the adhesive layer using optical microscopy during tensile deformation (a): SP1 and SP2 are steel plates; Pa1 and Pa2 are patches made of steel plates; AL is the adhesive layer; IB is the interface between two steel plates; D is the recording place using an optical microscope; OM is the optical microscope;C1 and C2 are digital cameras; P is the applied load.
El-Sawy, Mohammed M.A.
A. et al.
Al-Mahaidi, M.

According to Shrestha et al [50] major accidents on construction sites are the consequences of a poor visualization.
According to FISCA [56] , Haslam et al. [36], and Bashir et al. [37] a poorly organized workplace, as shown in figure 4, is classified among the main causes of fatalities and injuries on the construction site.
Moreover, Howell et al. [57] considers condensed materials/equipment that are badly placed as one of the causes of accidents.
However, Nahmens and Ikuma (2009) argued that there is no empirical evidence to support On the other hand, Ghosh et al [4], Bashir et al [37], Hallowell [64], Ng et al [65], and Zhu and Lv [1] consider the lean concept as an effective solution leading to better working conditions for employees and reducing the occupational accidents.
El-Gohary.

According to the findings of Bank et al. [8], the design of connections is the most crucial factor in the overall design process.
Constr 58–64. (2001) https://ascelibrary.org/doi/abs/10.1061/40596%28264%297 [2] Saleem, Muhammad Azhar, et al.
Rec 1223 H7 (1989) https://trid.trb.org/view/308507 [4] Correia, João R., et al.
Compos. 13, 942–951 (1994) https://journals.sagepub.com/doi/abs/10.1177/073168449401301008 [6] El Damatty, A.

In this work, the NdFeB permanent magnets, with chemical compositions as followed (at %): Nd: 6.7-14, Fe: 66-80, B: 6-14, Al: <1-4, Pr: <1-3, Dy: <1-8, Tb: <0.5-3, has excellent magnetic properties [14, 15], and the maximum energy products (BH), intrinsic coercivity (Hci), remanence (Br), and coercivity (Hc) of the magnets were 278-318 KJ·m-3, 870-2500 KA·m-1, 1.1-1.4 T, 840-2390 KA·m-1, respectively.
The EDX analysis indicated that the formed a weak contrast Nd-rich phase, marked as point ‘‘1’’, ‘‘3’’, ‘‘5’’, ‘‘6’’, ‘‘8’’, was rich in Fe, Nd, Pr, and Al.
Table 3 Result of X-ray energy dispersive analysis at points marked as 1to 10 in fig 1 (by mol %) Nd Fe Dy Pr Co Al Cu O 1 16.93 72.65 6.21 2.24 1.97 2 33.79 3.58 11.48 0.05 51.74 3 25.12 51.09 9.24 3.94 3.76 4 7.69 84.47 1.83 2.27 2.24 1.29 0.23 5 26.36 62.22 8.23 3.19 6 21.83 66.71 7.19 4.26 7 35.35 4.24 8.95 51.17 8 21.28 64.30 8.91 5.52 9 44.34 12.12 15.52 5.09 7.89 14.67 10 46.87 15.59 18.75 1.28 13.24 In the brighter contrast Nd-rich phases marked as point ‘‘2’’, ‘‘7’’, ‘‘9’’, ‘‘10’’, was rich in, Nd, Dy, Pr, and O. at point ‘‘2’’ and ‘‘7’’, an atomic ratio of Nd/O (= 35:51) approximate to 2:3, it can be concluded that the brighter contrast Nd-rich phases mainly contained Nd2O3.
El-Aziz, A.

The scavenging activity of the superoxide radical was assayed using the procedure as reported by Martinez et al. [45] with some modification.
Al-Thabaiti, Z.
Acharia, et al., Structural, immunological, and antioxidant studies of a β-glucan from edible mushroom Entoloma lividoalbum.
Martinez, E.L.

The Rules are given by one of maritime registers in the world that are the members of IACS, such as Russian Maritime Register of Shipping (RMR), DNV, ABS, at el.
[8] Nho L.C, Luu D.D, at al.