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Introduction For the construction industry, it is important to examine the quality of concrete materials after they are casted in place.
To collect experimental data, the researchers collaborated with a local construction material testing lab.
Guetteche: Application of the Combined Method for Evaluating the Compressive Strength of Concrete on Site, Open Journal of Civil Engineering, Vol. 2 (2012), p. 16-21
Pucinotti: Reinforced concrete structure: non destructive in situ strength assessment of concrete, Construction and Building Materials, Vol. 75 (2015), p. 331-341
Sarıdemir: Prediction of compressive strength of concrete containing fly ash using artificial neural networks and fuzzy logic, Computational Materials Science, Vol. 41 (2008), p.305-311.

Materials Processing Technology, 2001, 117: 324-328
Solid to Solid Phase Transformations in Inorganic Materials-2005 [C].vo.l 1.
Solid-to-Solid Phase Transformations in Inorganic Materials-2005[C]. vo.l 2.
Thermo-Calc & DICTRA, computational tools for materials science[J].
Proceedings of and International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2005[C], 2005, 535-544

Materials and Experimental Material.
References [1] YANG Jian-wei, ZHANG Lei, LU Min-xu, Research progress on CO2/H2S corrosion and principles for materials selection for oil and gas field, J.
Corrosion science and protection technology.21(2009)401-405
[3] CHENG Ya-wen, ZHAO Hui-jun, PENG Hao-ping, etc, Research progress of the pipeline under the coexistence of H2S/CO2, J.Journal of Changzhou University(Natural Science Edition). 27(2015) 65-68
Applied Mechanics & Materials, 151(2012)23-27.

Introduction Grain size is an very significant influencing factor in the performance of the materials, so controlling the grain size in the microstructure is also extremely important for the preparation and selection of materials.
Therefore, understanding the mechanism of grain growth, and providing the direction and approach for material preparation and research , is an important research topic in the material science[1-3].
On the other hand, some metals may have abnormal grain growth after annealing, which has a great impact on properties of the materials, because the abnormal coarse grains in the microstructure will reduce the strength, ductility and toughness of the materials.
Acknowledgment Authors would like to acknowledge the science and technology research project of Hubei provincial department of education for the financial support by the grant Q20171706, and the support of Research and Innovation Initiatives of WHPU 2018Y16.
Journal of Elec.

Control Measures of Mass Concrete Crack in the Construction Stage Reasonable Choice of Raw Materials.
During the construction process, the temperatures of out-of-machine and pouring should be strictly controlled, on-site mixing of concrete, the sand, stone yard should be set the awning, if necessary it can shoot mist to the raw materials, and also can add the ice to the water at stirring.
Raw Materials and Mix Proportion.
Acknowledgment The authors acknowledge the National Natural Science Foundation.
References [1] Linlin Ding: Concrete.vol. 5(2005), P.10 [2] Qixun Li, Jinghui Cheng, Zinong Li, Bocheng Wang: Construction Technology.vol. 36(2007),P.75 [3] Xiaofang Liu, Huiqiang Li: Construction Technology.vol. 34(2005),P.56 [4] Jisheng Li: Journal of Liaoning Normal University (Natural Science Edition).vol. 28(2005), P.220 [5] Heng Du: Henan Building Materials.vol. 6(2009), P.70 [6] Qiuyi Wang: Shanxi Architecture.vol. 34(2008),P.153

Universidad de Cádiz 10, E-11519 Puerto Real, Cadiz, Spain 4Department of Materials Science and Metallurgical Engineering and Inorganic Chemistry, Faculty of Sciences, INNANOMAT, IMEYMAT, University of Cádiz.
PLA being one of the materials most employed for FFF.
Materials & Methods PLA samples printing.
Rapid Prototyping Journal, 26(5), 793–799. https://doi.org/10.1108/RPJ-05-2018-0126 [8] Turner B.
Measurement Science and Technology”, 27(7), p.072001

We choose the Ukrainian buckwheat─ Irina has higher content of total flavonoids as materials.
This research provided a new method to regulate buckwheat flavonoids synthesis in molecular level and providing an initial materials and foundations for scale production of flavonoids by plant bioreactor.
Materials Materials and reagents.
Journal of JLAU,2008, 30(2):150-153.
[10] Hansong Yu,Jixing Zhang, Lanqing Ma,Yaohui Hu.Food Science,2010,31(21):244-247.

TEM Observation and Ionic Conductivity Study of Li2SiO3 Thin-Film on Sapphire Substrate Shin-ichi Furusawa1, a, Takao Tsurui2, b and Kouhei Shimizu1 1) Advanced Production Science and Technology, Faculty of Engineering, Gunma University 1-5-1 Tenjin-cho, Kiryu 376-8515, Japan 2) Department of Materials Science and Technology, Nagaoka University of Technology 1603-1 Kamitomioka-cho, Nagaoka 940-2188, Japan afurusawa@el.gunma-u.ac.jp, btsurui@mst.nagaokaut.ac.jp Keywords: Li2SiO3, thin-film, ionic conductivity, TEM, nanocrystal Abstract.
In particular, it is important to study the ionic conduction mechanism at a hetero-interface region formed by another material, for example, an insulating substrate (SiO2, MgO, Al2O3, etc.).
Therefore, we believe that studying the physical properties of non-rare- or less-rare-earth materials is also important.
(3) The sintered material was ground with ethanol.
Fergus, Journal of Power Sources Vol. 195 (2010) 4554

Introduction Nanocrystalline materials are of great importance in industrial applications due to their unique properties, especially mechanical and chemical properties[1].
Materials Science and Engineering Report, 1996, 16(4): p.161-221 [3] K.
The current research status of nanocrystalline materials[J].
Metal journal, 1997, 33(1): p.99-106.
The material corrosion and protection[M].

The material which is used to make mould is relatively hard, there’s bottom outlet，narrow guide and horn in the impression of the mould, which is restricted of the identity such as the rigidity of the cutter and dimensions, so that the defective material especially in impression or die can not be cut completely by Milling Machining Process, right now, we should use the EDM.
Moreover, the copper electrode is widely used in mould making for its merit such as handing ease, cheap electrode materials，little waste and can be used in fine machining.
The material structure is shown in Fig.1.
References [1] Yanmin Miao Comprehensive Treatment of Thin-wall Parts of Deformation (Tobacco science technology, 2002) [2] Xiang Shi: The Mold CADCAM Technology and Application (China Machine Press, Beijing 2001)
Journal of Materials Science.