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Elena Gordo Odériz ORCID 0000-0002-2869-1363 Universidad Carlos III de Madrid, Materials Science and Engineering Department; Avenida de la Universidad 30, Leganes, Madrid, 28911, Spain Dear Сolleagues, Let me present the first issue of the new interdisciplinary journal "Engineering Innovations" to your attention.
The journal was established as an open-access periodical.
The development of engineering sciences is now a diverse and multi-connected dynamic process.
It is worth recalling, for example, how the emergence and progress in the study of nanostructures in materials science gave an impetus to the rapid creation of new methods and technical means of research.
Further functional and structural materials have emerged, nanotechnologies have developed - technologies operating with materials and physicochemical processes at the nano level.

Preparation and properties of Sm2Zr2O7 ceramics for thermal barrier coatings by APS Xiankai Sun1,a, Quansheng Wang1,b, Yanbo Liu2,c, Xianjin Ning2,c,Can wang3,d 1School of Materials Science and Engineering, Beijing Institute of Technology, Surface Engineering Laboratory, Beijing 100081, China 2School of Materials Science and Engineering, Beijing Institute of Technology, Surface Engineering Laboratory, Beijing 100081, China 3School of Materials Science and Engineering, Beijing Institute of Technology, Surface Engineering Laboratory, Beijing 100081, China asunxiankai2008@163.com, bqsh-wang@bit.edu.cn, clyb197896@bit.edu.cn, dnxj@bit.edu.cn ewangcan1105@126.com Keywords: rare-earth zirconates, atmospheric plasma spraying, thermal barrier coating (TBC), thermal shock resistance Abstract.
Stover: Proceedings of the 6th liege Conference on "Materials for Advanced Power Engineering. (1998). p. 1627 [4] W.
Ralyos: Current Opinion in Solid State and Materials Science. 8 (2004), p. 77 [7] D.
Xu.: Materials Letters. 59(2005), p. 2804 [9] G.
Srirama: Journal of Nuclear Materials. 249 (1999), p.259 [10] R.

Ÿ Assume soil as elastic-plastic material for M-C criterion.
This paper simulates the effects of a double-tube parallel tunnel excavation on underground pipeline in different embedment, material properties and diameters conditions.
Materials on the impact of underground pipelines.
Acknowledgements The author would like to thank the financial support by the National Natural Science Foundation of China (Grant No. 51274051).
E-mail:guodl386402@163.com References [1] Renato E B, Kael R: submitted to Journal of Tunnel (1998) [2] Krizek R J, Mc Quade P V: submitted to Journal of the Geotechnical Engineering Division(1978) [3]Jihong Bi, Zuo Liu, Zhifeng Wang: submitted to Journal of Rock and Soil Mechanics (2006) [4] Kai Shu, Zhengyu Lei, Shuo hua Zhou: submitted to Journal of Chinese Journal of Underground Space and Engineering (2008) [5] Keshuan Ma, Lieyun Ding, etc.: submitted to Journal of Journal of Hua zhong University of Science and Technology (2008) [6] Zhenghua Jing, etc.: submitted to Journal of Modern tunneling Technology (2003)

The raw materials for synthesising AAC are derived from aluminosilicate source materials, typically calcined clays or low-calcium fly ashes [2].
Materials and Methods Materials and Specimen Preparation.
[2] P., Duxson et al.: ‘Geopolymer technology: the current state of the art’, Journal of Materials Science, 42(9), pp. 2917–2933 (2007)
Journal of Materials in Civil Engineering, 29(10), p.04017181 (2017)
Construction and Building Materials, 30, 794-802 (2012)

Fatigue life estimations were made on the homogeneous die and the die with bi-materials. 
The example showed that bi-materials design can increase the service life while greatly reduces the cost of die material.
The results show that bi-materials design can increase the service life while greatly reduce the cost of die material.
Ghadbeigi: Journal of Materials Processing Technology, 174(1-3) (2006) 318 [11] C.A.
Li: STUDY ON DESIGN TECHNIQUES OF A LONG LIFE HOT FORGING DIE WITH MULTI-MATERIALS.

According to simulation results, main materials of the wall in ITIS have to endure larger range of temperature than ETIS that leads to the life of materials shorter.
However, moisture has a big influence on the thermal characteristic of building materials and heat transfer.
Temperature inside of the concrete in the ITIS, main body of the wall, is larger in summer and lower in winter than in ETIS, which means, main materials of the wall in ITIS have to endure larger range of temperature than ETIS that leads to the life of materials shorter.
Main materials of the wall in ITIS have to endure larger range of temperature than ETIS that leads to the life of materials shorter.
Westford Massachusetts: Building Science Press Inc, 293-365 [2] ASHRAE (2006).

Confirmed by XRD and SEM measurement, the crystallinity and smooth surface morphology show its potential in fabricating electronic materials.
Shium:Materials Chemistry and Physics Vol 78(2003), p.111-115
Hosono: Materials Research Bulletin Vol.37 ( 2002),p. 2401-2406 [5]T.
Vance: Chemistry and Materials Science Vol.15(2004),p.635-644 [6]N.
Hanawa: Journal of Biomedical Materials Research Vol. 82A( 2007), p. 304-315 [7] F.

Experiment Materials Synthesis.
Materials characterization.
Results and discussion Materials characterization.
Study the chemical solution deposition SrMoO4 powder preparation and luminescence properties [J].Journal of Functional Materials,2011,42(3):385-387.
Study the chemical solution deposition SrMoO4 powder preparation and luminescence properties [J].Journal of Functional Materials,2011,42(3):385-387

During the process of crushing and shucking waste concrete, powder materials with particle size less than 0.9mm can be extracted.
After being processed, the remained powder materials after exacting coarse aggregate can be reused as new recycled materials—recycled fine aggregate and recycled finely grinded admixture, which makes waste concrete to be fully reused. 3.
References [1] Sun L., Qian D.X. and Zhang R.h., Concrete Journal, No.3, 2008, pp58-60.
Concrete Journal.
Sichuan Building Science. 35(6), 2009, pp235-240.

Agriculture is the important base of industrial raw materials.
Agriculture is the important source of the industrial raw materials, especially the raw materials of light industry.
At present, in China about 40% of industrial raw materials, and about 70% of the raw materials used in light industry originate from agriculture.
Agriculture is the important base of industrial raw materials.
Journal of Rural Studies.