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Application of SHM techniques allows one to increase both human and environmental safety in marine industry with simultaneous reduction of maintenance costs.
Also, data collection, analysis and interpretation needs developing [2].

However, MWT has generally been a controversial technique because (1) test results have been difficult to duplicate, (2) a lack of acceptable experimental data and methodologies leading to questionable credibility, (3) a lack of a consistent and scientifically acceptable explanation relating calcium carbonate precipitation/deposition and magnetic fields, and (4) extravagant manufacturer’s claims to MWT devices.
“Laboratory studies on magnetic water treatment and their relationship to a possible mechanism for scale reduction.”

Similarly, use of eggshell as a heterogeneous catalyst for biodiesel production has been reported by some researchers including Buasri et al. [9], Niju et al. [10], Ngadi et al. [11], Ayodeji et al. [12] and Wei et al. [13] described the use of eggshell in this manner as a cost-effective and environmentally friendly way of recycling this waste which in turn leads to reduction in its environmental effects.
Data on CaO and eggshell catalysts used for biodiesel production. 19 (2018) 1466-1473

The calculations carried out for the above data lead to the solution that assuming the yield limit for the first layer Re 1 = 317.29 MPa the yield limit for the outer layer should be Re 24 = 10163.26 MPa.
The results of the analysis indicate that a substantial reduction in equivalent stresses is possible for this type of vessel as compared to conventional single wall of comparable size, dimensions and material.

In recent years, the trend is for an increase in lime content with a minor reduction in silica content.
(a) Cube samples; (b) Compression crushing machine Results and Discussion The data acquired from the tests carried out according to the implemented methodology of this research is hereby presented.

Galvanostatic Charge-Discharge Test Result No Sample Specific Capacity (mAh/gram) 1st CE Charge Discharge 1 CuO-NA 553.1 286.5 51.8% 2 CuO-NA@graphite 528.1 347.8 65.8% 3 Commercial Graphite (data not shown) 344.2 278.7 81.0% Conclusion A leaching process of Cu foil waste is successfully conducted using nitric acid, maleic acid, and acetic acid.
Hwang, “Supporting Information photocathode for photoelectrochemical water reduction,” pp. 1–18, 2015

The unique features of the Garnets, like grain hardness, edge sharpness and specific grain size distributions induced the steady abrasive flows and no blockages in the focusing tubes, according to the producers’ technical data sheet [9]; the desired speeds of the procedure, the cutting accuracy and final surface finish seem to be achieved in optimum conditions by the use of Garnets as addition for the waterjet cutting operations.
In the same time, the water absorption coefficient decreases in time, more intensely for the Garnet specimens: a reduction of 8%, 8.6%, 12%, 15% and 13% was recorded at 90 days for TR4, TR3, TR2, TR1 and TR0 specimens with respect to the 7 days evaluation.

The SS316L data were gathered using actual SS316L parts that were taken to an EDX equipment to retrieve the chemical composition.
· WAAM simulation using ISM method can save the total computational time up to 830% and 1635% compared to TMM method which is important within for the long run due to massive reduction in overall model development if the final deformation is the sole focus of the research, · The error of simulation result can be caused by fluctuating parameters, shape inconsistency, material inhomogeneity etc

Using a scan speed of 10 nm/s data are acquired in intervals of 1 nm with an integration time of 0.1 s.
All data were collected with an integration time of 0.1 s at 1 nm intervals with a band pass of 7 nm.
In particular the current flow through thinner wires and segments with lower wire density provokes the melting of spots as a result of the reduction in surface energy [41, 42].

Data Availability: The authors do not have permission to share data.
Ayele, Controlled synthesis, characterization and reduction of graphene oxide: A convenient method for large scale production, Egypt.