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Table 1 Chemical composition, mass% Table 2 Mechanical properties C Si Mn P S 0.73 0.27 0.75 0.018 0.014 σ0.2, [MPa] σB, [MPa] RA, [%] EL, [%] 527 918 26.8 11.4 Table 3 Symbol and temperature of ion nitriding Symbol T, [°C] D, [µm] S1, N1 550 17-20 S1* 550 8-10 S2, N2 500 17-20 T: Temperature of nitriding, D: Depth of compound layer 20 20 20 60 φ8 R12 φ5 20 20 20 60 φ8 R12 d ρ 60° t C0.5 φ6 Fig. 1 Shape and dimensions of smooth and notched specimen for fatigue test Fig. 2 The process of ion nitriding Method.
Kreft et al. [6] conducted in-situ measurements of residual stresses during nitriding and cooling and found that due to a thermal misfit by different thermal expansion coefficient between the compound layer and the metallic matrix.

The increase in the local hardness values suggests that the formation of deformation twins increases during dynamic compression, but the density of the twins also depends on the crystal orientation, as suggested for example by Karaman et al. [6].
El-Mahallawi, R.

D×T d×t gl gt el et θ Φ ultimate capacity of (mm×mm) (mm×mm) (mm) (mm) (mm) (mm) (°) (°) joints (kN) KK-M6 355×10 168×6 24 -10 0 0 58 54 923 DKS-55 139.7×6.3 76.1×4 32.1 -7.3 0 0 45 60 279 DKS-63 139.7×4 76.1×4 32.1 -7.3 0 0 45 60 110 Table2 Steel pipe material test result steel pipe size average yield strength fy(N/mm2) average tensile strength fu(N/mm2) fy/fu average elongation (%) Φ355×10 370 571 0.65 26.0 Φ168×6 352 548 0.64 27.5 Φ139.7×6.3 342 479 0.71 / Φ139.7×4 320 448 0.71 / Φ76.1×4 300 430 0.70 / Numerical Simulation on Test Joint Fig.1 Multi-planar KK-OPOv joint analysis mode Nc Nc Nc Nt Finite-element Analysis Mode.
Kurobane, K Ochi, et al.

Similar observations have been made by Aydin et al. [14] and Siddique [15] using high volume fly ash concrete.
El-Badari, Properties of clay/PFA bricks.

Furtado et al, Integrity Evaluation of Industrial Plant Equipment Based on Inspection, Monitoring and Computational Diagnosis, Proceedings of The 12th World Multi-Conference on Systemics, Cybernetics and Informatics.
[5] E.L.

New approach for pedestrian dynamics by real-coded cellular automata (RCA) (2009) in: El Yacoubi et al., 728 p

.%] Sample 59Fe Ba S Si Mg Ca Al Mn 85Sr Ti V Cl HWC1 29.93 14.94 4.27 3.54 0.99 0.81 0.52 0.59 0.24 0.066 0.040 0.008 HWC2 30.05 15.01 4.29 3.56 1.00 0.92 0.52 0.60 0.24 0.066 0.040 0.008 HWC3 30.20 15.10 4.32 3.57 1.01 1.04 0.52 0.60 0.24 0.067 0.040 0.008 Table 4 Composition of minor elements and their isotopes in the samples [wt.%] Sample B Gd 181Hf 160Tb 182Ta 46Sc 141Ce H 65Zn 124Sb HWC1 2E-05 7E-05 3E-05 5E-06 5E-06 0.0004 0.0023 0.005 0.008 0.023 HWC2 2E-05 7E-05 3E-05 5E-06 5E-06 0.0004 0.0023 0.005 0.007 0.023 HWC3 2E-05 7E-05 3E-05 5E-06 5E-06 0.0004 0.0023 0.005 0.006 0.024 Table 5 Composition of potentially radioactive elements in the samples [wt.%] Sample Cs Co Eu Cr HWC1 2.44E-05 0.0035 2.70E-05 5.67E-04 HWC2 2.33E-05 0.0035 2.75E-05 5.70E-04 HWC3 2.22E-05 0.0035 2.81E-05 5.73E-04 The cube compressive strength, the tensile strength (4-point bending test), and the dynamic modulus of elasticity of the samples after 28 days were determined in accordance with STN
El-Khayatt, The effect of barite proportion on neutron and gamma-ray shielding, Ann.

Soil organic matter measure with concentrated sulfuric acid --- potassium dichromate oxidation；Soil organic carbon determinate by the elemental analyzer (vario el, Germany), The soil entire nitrogen element analyzer determines with Flash the EAI112; Soil available nitrogen content determinate by alkaline hydrolysis diffusion method (1 mol·L-1 NaOH,40 ° C, 24h); Soil fast-acting N decides by the Kelvin; Soil available P extract by hydrochloric acid --- argon fluoride; Soil fast-acting K extract by the ammonium acetate. 2.4 Data Analysis Analysing influence of cotton varieties for soil properties with two class mean of DPS (DPS 9.05 Tang Qiyi), and draw a histogram with origin 7.5, and significant difference between levels is set to P<0.05.
Eco, 13 (4):491～494 (in Chinese) [22] Sun C - X et al.2006,Changes of nutrients in soil of transgenic Bt crops.

Since all spots appeared to be al-most true circles, the diameter of the circle was taken as the size of spot.
El-Ashry, L.R.

Reymonta Str. 25, 30-059 Kraków, Poland 3Kielce University of Technology, Department of Mechatronics and Mechanical Engineering, Laser Research Center, Tysiąclecia Państwa Polskiego Avenue 7, 25-314 Kielce, Poland amarek.weglowski@is.gliwice.pl*, bsylwester.blacha@is.gliwice.pl, crobert.jachym@is.gliwice.pl, dj.dutkiewicz@imim.pl, el.rogal@imim.pl, fktrba@tu.kielce.pl, ghdanielewski@tu.kielce.pl Keywords: additive manufacturing, electron beam, laser beam, stainless steel.
Moroni, et al., Design for Additive Manufacturing: Trends, opportunities, considerations, and constraints, CIRP Annals 65 (2016) 737-760