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As one of the environmental building materials, gypsum will be paid more and more attention of the building industry.
The calculation parameters of the three materials were summarized in table 3.
Literature References [1] Xinliang Jiang, Yan Gu, Journal of Tianjin University, Vol.5(2007), p.542(in Chinese)
[2] Yu-Fei Wu, Mike P.Dare, Journal of Composites for Construction, 2004(8):569-578 [3] ADINA.
Beijing: China Building Materials Industry Publishing House,2004(in Chinese).

Therefore, the cooling rate will be lower in the area of the weld seam than in the base materials.
Depending on the difference between the structure of the weld seam and the base materials of the hot stamped TWB, either a spontaneous full crack or a continuous crack occurs in the area of the weld seam.
W. et al., 2012, Hot Press Forming of Tailor Welded Blank: Experiments and FE Modelling, ISIJ International, Vol. 52, No. 11, pp. 2059–2068 [2] Lechler, J., Stoehr, T., Kuppert, A., Merklein, M., 2010, Basic investigations on hot stamping of tailor welded blanks regarding the manufacturing of lightweight components with functionally optimized mechanical properties, NAMRC, Vol. 38, pp. 593-600 [3] Merklein, M., Lechler J., 2006, Investigation of the thermo-mechanical properties of hot stamping steels, Journal of Materials Processing Technology, Vol. 177, pp. 452–455 [4] Neugebauer, R., Altan, T., Geiger, M., Kleiner, M., Sterzing, A., 2006, Sheet Metal Forming at Elevated Temperatures, Annals of the CIRP, Vol. 55/2, pp. 793-816 [5] Turetta, A., Bruschi S., Ghiotti, A., 2006, Investigation of 22MnB5 formability in hot stamping operations, Journal of Materials Processing Technology, Vol. 177, pp. 396–400 [6] Naderi, M., Saeed-Akbari, A., Bleck, W., 2008, The effects of non-isothermal
deformation on martensitic transformation in 22MnB5 steel, Materials Science and Engineering, Vol.
A 487, pp. 445–455 [7] Mori, K., Okuda, Y., 2010, Tailor die quenching in hot stamping for producing ultra-high strength steel formed parts having strength distribution, Annals of the CIRP, Vol. 59, pp. 291–294 [8] Nikravesh, M., Naderi, M., Akbari, G.H., 2012, Influence of hot plastic deformation and cooling rate on martensite and bainite start temperatures in 22MnB5 steel, Materials Science and Engineering, Vol.

Methods, Materials and Results In the field of laser hardening, continuous-wave laser sources are the preferred option.
Materials are prepared for final verification which comprise real axles upon laser hardening with press-fit wheels.
Gillespie (ed): Design for manufacturability: New materials, Technologies and Processes, McGraw-Hill New York 2016, ISBN-13:978-1259587450, [2] STEEN W.M., MAZUMDER J.: Laser Material Processing.
Materials Science Forum Vol. 782 (2014) pp. 306-310
Journal of Materials nd Manufacturing, March 2002

Key Laboratory of Advanced Structural Materials Ministry of Education Changchun University of Technology Changchun 130012, China; 2.
In the welding of different materials can be divided into 4 double ellipsoid 1/8 ellipsoid flap, each may correspond to different values for a, b, cf, cr. 2 Physical model 2.1 Finite element model Using ANSYS software modeling, sample size is 100mm × 70mm × 10mm, material is Q390 steel, Arc moves along the welding center.
We can take half of model in finite element analysis (Figure 2-1): Figure 2-1 Three-dimensional diagram Figure 2-2Three-dimensional mesh diagrams 2.2 The definition of material parameters The calculation of welding temperature field belongs to non-linear transient heat transmission, the thermal performance parameters of the material vary with temperature and the physical performance parameters of many materials were not completed.
Mechanical Engineering Materials, 2008, (8): 53 ~ 55 [2] Eager T W, Tsai N S.
Temperture fields produced by traveling distributed heat sources [J].Welding Journal.1983, 62(12):346-355 [3] Goldak A,Chakravarti A and Bibby M.A double ellipsoid finite element model welding heat sources [Z].IIW Doc,1985

Introduction In today’s competitive word, the upgrading of products is fast with the development of science and technology.
For example, the design engineers lead the design stage and integrate the various activities such as mechanical design, electronic design, software design, manufacturing review, materials review, and final pre-production product validation, while the technique engineers preside the manufacture stage.
For the prior cooperation, IPT could consider all the influencing factors such as material, technology feasibility and operability.
Journal of Quality &Reliability Management, Vol. 22 (2005) No.5, p. 518 [4] P.
Seglie: ITEA Journal, Vol. 29 (2008) No.3, p.215

Electrically oxidation reactor used in the experiment by filling the filler material having catalytic properties improves the treatment effect.
Journal of Hazardous Materials 150 (2008) 468–493
Elsevier Applied Science, London and New York
Journal of Solid State Electrochemistry [J]. 2003, (5):277-282
Environmental Engineering Science 18 (6), 369–379

The heat conduction formula is [5] [6]: （2） Type: - two object exchange heat (); - Thermal conductivity of object materials (); , - Two the temperature of the object respectively (); - The heat exchange time (); - Contact area (); - Thickness (); The Eq. 2 can be obtained by derivation, power dissipation is [7] [8]: （3） In this experiment, because the oil blackbody material, shape are unchanged, so the parameters of are the same.
Wan: Journal of Huazhong University of Science and Technology (City Science Edition), Vol. 6 (2006) No.3, pp. 245-251
Wang: Journal of System Simulation, Vol. 12 (2009) No.9, pp. 273-282

Study on the Bioavailability of Soil Heavy Metal Zhao Xiaoguang1, a, Huang Wenyu1, a, Yao Le1, a 1Xi ’an University of Science and Technology, Xi ’an, China akkkbff@163.com Keywords: Bioavailability; Heavy metal; Soil Abstract.
Materials and Methods Sample collection and analysis.
Table.3 Physiochemical properties of every point of soil samples PH Soil type Texture (%) Moisture (%) clay silt sand 1# 6 silty clay soil 40 9 51 35.94 2# 5.5 slay sility loam 40 20 40 19.96 3# 5.5 sandy clay loam 14 66 20 3.97 4# 5.5 sandy loam 8 72 20 7.32 5# 5.5 silt loam 78 6 16 1.43 avail ale P(mg/kg) available K(mg/k) organic material(g/kg) total N(g/kg) 1# 298.49 4.27 182.76 1.66 2# 311.68 3.76 138.81 0.85 3# 270.24 3.28 53.44 0.47 4# 336.16 0.00 37.55 0.64 5# 290.96 2.60 43.88 0.32 Combination contamination of heavy metals.With SPSS statistical software to analyze the correlation between the total content of Cu, Zn, Pb ,Cd, Cr, The figures in the table is the partial correlation coefficient,The upper right corner is simple correlation significance level ,***(p<0.00l), **(p<0.01) is very significant correlation,*significant correlation (p<0.05)
[2] Zhang mingkui, Fang liping, Zhou cui: submitted to Journal of Applied Ecology (2006) [3] Wu C N, Wang Y and Zhao L: Environmental Chemistry (2004) [4] Gao huaiyou, Zhao yujie, Shi rongguang, et al: submitted to Journal of Agro-environmental Science (2005) [5] Hu wen: Beijing Forestry University (2008)

Apparatus, materials and procedure Apparatus The four-ball test rig used in this investigation was designed and built according to ASTM D2596, D2783, D2266, D4172 international norms in the Institute Polytechnic National [8,9].
Becker, “Agro-climatic condition, chemical and nutritional characterization of different provenances of Jatropha curcas from Mexico”, European Journal of Scientific Research, Vol. 39 (2010) No. 3, pp 396-407
[2] Martinez Herrera J., Siddhuraju P., Francis G., Davila-Ortiz G., Becker K., “Chemical composition, toxianti metabolic constituents and the effect of different treatments on their levels in four provenances of Jatropha curcas L. from Mexico”, Journal: Food and Chemistry.
Yu, Experimental investigation of effects of bio-additives on fuel economy of gasoline engine, Science in China series E: Technological Science Vol. 51 (2008) No. 8 1177-1185
M., Siran., Tahiruddin S., Sludge palm oil as a renewable raw material for biodiesel production by two-steps process., BiousourceTechnolgy Vo. 101, 2010, 7804-7811

More detailed information on the geometry, material properties and experimental results of the presented database can be found in publications [3-9].
APVV-17-0204 and Scientific Grant Agency of the Ministry of Education, science, research and sport of the Slovak Republic and the Slovak Academy of Sciences No 1/0240/19.
Shear resistance of clamped deck slabs assessed using design equations and FEM analysis, In 13th International Conference, Modern Building Materials, Structures and Techniques, Vilnius, Lithuania
ACI Journal 65(11): 1968, pp. 943-951
Shear in one-way slabs under concentrated load close to support, ACI Structural Journal.