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Yazid Laib Dit Leksir: review & editing Acknowledgements This work was supported by the Laboratory of Ingredients and Active Substances, Larbi Ben Mhidi University Oum El Bouaghi, Algeria.
Nanomaterials, 13(1), 145, (2023), [30] Sujatha K, Seethalakshmi T, Sudha A P, et al.
Park: Transparent conducting ZnO: Al, in and Sn thin films deposited by the sol–gel method.
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[41] Dhiman, M., Bhukal, S., Chudasama, B. et al.

The Al-5Ti-1B master alloy was added for grain refinement.
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Louni 3, c Laboratoire de Physique des Matériaux, Faculté de Physique, USTHB, BP 32 El Alia Bab-Ezzouar(Algerie) e-mail :Rachidrez@gmail.com Keywords: Hollow, RST, MRST, acoustic scattering, resonance, matrix S, absolute phase.
Also the resonance of the fluid cavity is mixed with contributions waves diffracted by the wall of the cavity. [9] Difficulty to separating these two phenomena led us to consider the formalism of MRST was already used in quantum chemistry and physics. [10] Haug and al. [11] were the first to apply the MRST acoustics, they revealed that the energy of the fluid column is divided into two channels, one channel and one longitudinal wave which is transversal superimposed on the bottom echo on the non-resonant soft roll.
Matrix S or scattering matrix comes from quantum mechanics [25], it is introduced in acoustic by Flax et al [1] for the study of resonances.
Resonances MRST: Results and Discussion In the theory of the RST [1, 2, 3], the isolation of resonances takes place by removing the non-resonant contribution (specular) of broadcast spectrum in the case of the fluid cavity, Solomon et al.
The MIIR (method of isolation and identification of resonances) is an experimental technique developed by Maze et al. [15] to check the results of the RST for different materials.

[2] Otomo T, Matsumoto H, Nomura N, et al.
[3] Cai S, Barrow A T W, Yang R, et al.
[6] Sorensen D, Li B Q, Gerberich W W, et al.
[8] Asgari S, El-Danaf E, Shaji E, et al.
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Komanduri et al [5] used copper workpiece and an infinitely hard tungsten tool for their simulation.
Ye et al [6] investigated the chemical mechanical polishing of copper by a single abrasive particle, using the EAM potential.
Lin et al [7] surveyed the features of grinding energy dissipation, grinding stress, strain state and grinding temperature in the atomic space.
Pei et al [8] and Promyoo et al [9] carried out MD simulations of the nanometric cutting of copper with diamond tool.
El-Mounayri and X.

X. et al.[5] and Qiu H.
J. et al.[10] showed the same results because of the hydrothermal process promoting the powders to form LuO(OH) crystalline phase.
Szupryczynski, el al.
Sager, et al.
[10] Qiu Huajun, Shi Ying, Xie Jianjun, et al.

Then, NiFe2O4 ferrite was silanized with 3-aminopropyltriethoxysilane agent [H2N(CH2)3Si(OC2H5)3] with purity of 97%, whose methodology was described in detail in the work of Santos et al. [11].
Phadatare et al. [14] analyzed the effect of fuel type (PVA, glycine and urea) in the combustion reaction for obtaining nanoparticles of NiFe2O4, and observed by XRD single-phase formation of NiFe2O4 spinel for the three forms of synthesis.
Phadatare et al. [14] analyzed the magnetic behavior of NiFe2O4 nanoparticles synthesized by combustion reaction using different fuels (PVA, glycine and urea), and observed the same ferrimagnetic behavior presented by the samples under study, and saturation magnetization relatively higher, with values of 39, 41 and 44 emu/g, respectively.
Tomitaka et al. [16] evaluated the biocompatibility of NiFe2O4 magnetic nanoparticles in colonies of HeLa cells at a concentration of 100 mg/mL, and reported a cell viability of 77.6% for an exposure of 24h, and 59.4% for an exposure of 48h.
El-Serafi, M.

Sarhan et al. (2001) presents an approach to examine the effect of wear variation on the magnitude of the cutting force harmonics.
Shao et al. (2004), described a cutting power model in face milling operation, where cutting conditions and average tool flank wear are taken into account.
Bhattacharyya et al. (2007) proposed the use of combinations of signal processing techniques for real-time estimation of tool wear in face milling using cutting force signals.
Yun et al. (2011) presented a new method for detecting the onset of ploughing during micro milling on the basis of the cutting force signal.
References [1] Sarhan, A., Sayed, R., Nassr, A.A. and El-Zahry, R.M., Interrelationships between cutting force variation and tool wear in end-milling, Journal of Materials Processing Technology, vol. 109, p. 229-235, 2001

L Zhong et al [8] had develop a composite solder by adding Al2O3 into Sn-0.7Cu solder to improve its properties.
Mohd Salleh et al. [9] reported that mechanical properties of the fabricated composite solder has improved significantly.
It has been reported by Tsao et al [5] and Salleh et al [9] that with the increasing amount of reinforcement, higher hardness properties was resulted.
Due to the limitations of lab XRD, similar phenomenon was encountered by Billah et al. [7] where they could not detect small amount of Bi rich phase additions in Sn–8Zn–3Bi with XRD.
[3] A.A.El-Daly, A.F., S.F.Mansour , M.J.Younis Novel SiC nanoparticles-containingSn–1.0Ag–0.5Cu solder with good drop impact performance, Materials Science & Engineering A, (2013). 62–71

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