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The mechanism of material removal is based on the laser-material interaction which may induce thermal ablation and/or photo-ablation of the materials.
Acoustic Emission Measurement Results Two samples of different materials have been experimentally tested by the acoustic emission system, namely, a glass plate and a Plexiglas plate.
Scott: Basic Acoustic Emission (Gordon and Breach Science Publishers, New York 1991)
Surendra: Journal of Nondestructive Evaluation, Vol. 12, (1993), p. 219
Park: Journal of Materials Processing Technology, Vol. 58 (1996), p. 343

Wave mixing is an effective way to observe the nonlinearity parameter of the material.
With the help of a finite difference algorithm, namely semi-discrete central scheme, this paper aims to measure the nonlinearity of materials using non-collinear ultrasonic waves and to investigate both the generation and propagation of a resonant wave, thus obtaining a better understanding of the nonlinear wave mixing phenomenon. 2.
Acknowledgements The authors would like to gratefully acknowledge the supports received from the National Natural Science Foundation of China (NSFC No. 11372179) and Program for New Century Excellent Talents in University (NCET-13-0363).
References [1] K.Y Jhang, Nonlinear Ultrasonic Techniques for Nondestructive Assessment of Micro Damage in Material: A Review, International Journal of Precision Engineering and Manufacturing, 10 (2009) 123-135
Qu, Measuring Acoustic Nonlinearity Parameter Using Collinear Wave Mixing, Journal of Applied Physics, 112 (2012) 024908 [8] A.J.

Dutta et al, Design of high-strength and damage-resistant carbide-free fine bainitic steels for railway crossing applications, Materials Science and Engineering: A, 759 (2019) 210-223
Wear and damage transitions of two kinds of wheel materials in the rolling-sliding contact, Wear, 398–399 (2018) 79–89
Niobium microalloying in rail steels, Materials Science and Technology, 33:14 (2017) 1584-1600
Materials Science & Engineering A, 720 (2018) 248–256
Metallurgical and Materials Transactions A, 48: (2017) 3985–3996

Introduction Nanocomposites offer a high potential to create new and advanced properties in plastic materials.
Since in polymer nanocomposites the interphase area may cover a large fraction of the material volume, the altered molecular mobility may reflect to the thermal transitions in the amorphous phase, density variations and crystallization behaviour of the whole nanocomposite material.
Improvements in mechanical and thermal properties of PP were also expected when grafting flexible PIB chains of varying length into the filler particles.[3,5] Materials and methods Materials All materials and reagents were used as purchased without further purification or modification.
Krishnan: Science (www.sciencemag.org) Vol.311 (2006) 1740-1743 [5] B.
Schadler, Journal of Polymer Science: Part B, Polymer Physics, Vol. 42 (2004), 4371-4383 [7] S.

References [1] Samuel, P.D., Pines, D.J., A review of vibration-based techniques for helicopter transmission diagnostics, Journal of Sound and Vibration 282 (1-2) (2005) 475-508
[8] Makowski, R.A., Zimroz, R., Adaptive bearings vibration modeling for diagnosis, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 6943 LNAI (2011) pp. 248-259
[10] McFadden, P.D., Detecting fatigue cracks in gears by amplitude and phase demodulation of the meshing vibration, Journal of vibration, acoustics, stress, and reliability in design 108 (2) (1986) pp. 165-170
-N., Feng, K., Bearing fault detection based on optimal wavelet filter and sparse code shrinkage, Measurement: Journal of the International Measurement Confederation, 42 (7) (2009) pp. 1092-1102
[19] Zimroz, R., Bartelmus, W., Gearbox condition estimation using cyclo-stationary properties of vibration signal, Key Engineering Materials, 413-414, (2009) pp. 471-478

Materials and Methods UASB reactor set-up.
Water Science and Technology. 2010;61:2399-406
Scientific World Journal. 2014;2014:183752
British Journal of Applied Science and Technology. 2014;4:4705-20
Electronic Journal of Biotechnology. 2009;12

Materials and Methods Experimental dataset and methodology This study utilizes the PhysioNet Apnea-ECG dataset, which was provided by Philipps University [37].
In Journal of Neuroscience Method, vol. 293, pp. 289-298 (2018)
Indonesian Journal of Electrical Engineering and Computer Science Vol. 25, No. 2, pp. 931-940 (2022) [30] Erdenebayar U., Kim Y.J., Park J.U., Joo E.Y., Lee, K.J.
Journal of healthcare engineering (2018):8360475
In Journal of Mechanics in Medicine and Biology, pp. 1950026 (2019)

Materials and Methods In this study satellite images taken by seven different satellites serve as the data source.
Der Chen Soong, (2012) Comparison of Image Quality Assessment: PSNR, HVS, SSIM, UIQI, International Journal of Scientific & Engineering Research 8(3), 1-5
Canadian Journal of Remote Sensing, 30(4), 661-670
Advanced Science, Engineering and Medicine, 7(3), 227-233
Indian Journal of Science and Technology.

Feng: Methods for industrial measurement and basic principles of their choices, Geo-Spatial Information Science, Vol.5(2)(2002),pp.28-36
Deakyne, et al: In-process force measurement for diameter control in precision cylindrical grinding, The International Journal of Advanced Manufacturing Technology, Vol.42(1-2)(2009),pp. 93-101
Ding: Differential method of bimetallic material thickness measurement based on eddy current sensors and its applications, Chinese Journal of Sensors and Actuators, Vol.20(8)(2007), pp.1930-1933
Zhou: Impedance variations caused by probe coil lift-off and elimination technique in eddy current testing, Chinese Journal of Scientific Instrument,Vol.26(8)(2005), pp.732-733

The second kind of sensitivity problem: In practical engineering problem, structure dimension and material performance and other indices all fluctuate around the mean value, most probability density functions of random variable are determined by mean and variance。
Sensitivity analysis for structural errors: Journal of Structural Engineering,ASCE [Z]. (1985): 111, 1734-1746
BeiJing: Science publishing company, (2007): 44-48.
Journal of Southeast University(English Edition), (2009), 25(2): 247-251.
Journal of Ship Mechanics, (2007), 11(1): 102-107.