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According to Titchou et al. (2021) and Darban et al. (2020), there are variety of pollution sources; for example households, hospitals, industries, veterinary services, agriculture, and their various applied processes, the composition and characterization of effluents are totally different and very complex [3,4].
According to Murgolo et al. (2019), photocatalysis under advanced oxidation processes (AOPs), can remove a large range of organic micropollutants in wastewater effluents [1].
[3] Titchou, F.E., Zazou, H., Afanga, H., El-Gaayda, J., Akbour, R.A., and Hamdani, M. (2021).

[5] A.L.
Zeldovich, A.L.
Buchachenko and E.L.
[10] A.L.

Its root biomass decreased with the increase of ozone concentration, which was supported by the study of Kasurinen et al. [21].
It was similar with the report from Novak et al. [24] about Viburnum lantana with no significant difference in its aboveground biomass.
The study by Byres et al. [28] showed that more needle of Pinus elliottii dropped with the concentration of ozone increased, which inhibited the growth of Pinus elliottii .
References [1] E.L.

Lam et al. considered risk allocation based on qualitative expert knowledge and linguistic principles that preceded fuzzy set theory in a quantitative model [7].
Xu et al. developed a fuzzy synthetic evaluation method to obtain an appropriate risk allocation [13].
Khazaieni et al. provided a fuzzy AHP method to balance risk allocation [14].
[19] El-Sayegh, S.M, Risk assessment and allocation in the UAE construction industry.

Human-Robots Interaction by Facial Expression Recognition ZEKHNINE Chérifa1,a, BERRACHED Nasr Eddine2 1,2University of Science and Technology of Oran Mohamed Boudiaf, PO Box 1505 El M’naouer 31 000, Oran, Algeria aelnfi@yahoo.fr Keywords: Facial Expression Recognition (FER), GVF Snake, MPEG-4 Description, Time Delay Neural Network (TDNN), Mobile and Arm Robot Abstract.
In the research done by Ju and Kim [2] and Faria et al. [3], numerous systems were proposed to control a robot or a wheelchair using head or face movement.
GVF Snake Kass and al. [15] have introduced the active contours or snakes.
Semi-Automatic Initialization of GVF Snake The initialization procedure of the snake was automated by a geometric shape (ellipsis) that corresponds in its shape to the region of interest (eyes, eyebrow and mouth), in order to solve the problem of choosing the number of initial snake points in the classical algorithm proposed by Kass et al, (see Fig. 1).

[6] Quadnin Niua, Naiqinan Feng, JingYang, et al, Cem.
[8] Mostafa N Y, EL-Hemaly S A S, Al-Wakeel E I, et al.

Papadopoulou, et al.
El-Ghannam, P.
Kontonasaki, et al.
Papadopoulou, et al.

Boehner et al [2] found that TiAlN coated carbide tools were suitable in high speed milling hardened tool steels.
Senthil Kumar et al [5] studied the wear behavior of alumina based ceramic tool while machining hardened martensitic stainless steel of hardness 60 HRC.
Ghani et al [6-8] investigated the performance of P10 TiN coated carbide inserts in semi-finish and finish end milling of hardened AISI H13 tool steel (50±3 HRC) at high cutting speed region.
[2] Boehner, J., Dumitrescu, M., Elbestawi, M.A., El-Wardany, T.I., Chen, L..

Some studies focus on specific parts of the building delivery process: Mahdavi and El-Bellahy [2], for instance, examined the effort and effectiveness of students to assess the thermal, energy and environmental performance of six designs for a school project.
A study performed by Lu et al. [4] examined this curve, and stated that while BIM might bring in some advantages and disadvantages, it is still necessary to learn more about the time distribution in different projects and work styles.
El-Bellahy: Effort and effectiveness considerations in computational design evaluation: a case study.

El-Geassy 2, c and S.
This is in disagreement with that reported earlier by Leclercq et al., [25].
Recently, Giraudon et al,.[26] noticed that the carburization of tungsten occurs only when all oxygen has been practically removed from the initial solid which is in agreement with the present work.
Also, Babutina et al., [34] reported that formation of tungsten carbide with reduction-carburization treatment of WO3 in a methane atmosphere is thermodynamically possible at 773 K.
The reaction sequence can be presented as follows: CH4 (adsorbed) à CHx or C atom formation and deposition à C diffusion and Carbide formation or free carbon deposition, Giraudon et al. [26] observed that the carburization steps were influenced differently by temperature and methane gas content in the gas mixture.