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Introduction Piezoelectric materials are an important class of materials used to produce sensors and actuators as well as transducers [1-3].
As one kind of piezoelectric materials, piezothermoelastic material has got much attention in recent years and there are some investigations have been made on this material [5-8].
Wang: Smart piezoelectric transducers for in situ health monitoring of concret, Smart Materials and.
Dumir: Exact Piezothermoelastic Solution of Simply-Supported Orthotropic Flat Panel in Cylindrical Bending, International Journal of Mechanical Sciences.
Smart Materials and Structures.

Layer double hydroxide materials have many applications in areas such as biomedical, catalytic, sensor, adsorption.
The Ni-Fe LDH materials were synthesized by hydrothermal method [11,12].
Albanis, Photocatalytic degradation using design of experiments: A review and example of the Congo red degradation, Journal of Hazardous Materials, 175 (2010) 33-44 [2] N.H.
Hiew, Suchithra Thangalazhy-Gopakumar, Suyin Gan, Environmental application of three-dimensional graphene materials as adsorbents for dyes and heavy metals: Review on ice-templating method and adsorption mechanisms, Journal of Environmental Sciences, 79 (2019) 174-199 [5] T.V.
Lim, A novel photoluminescent nanohybrid of poly(ε-Caprolactone) grafted Mg/Al layered double hydroxides and Tb3+ ions: synthesis and characterization, Journal of Alloys and Materials, 582 (2014) 22-28

Hwang: Journal of Applied Polymer Science Vol. 99 (2006), p. 900 [3] N.
Joseph: Journal of Applied Polymer Science Vol. 104 (2007), p. 3090 [7] S.
Jasiukd: Materials Science and Engineering: A Vol. 393 (2005), p. 1 [10] C.
Baltog: Journal of Materials Chemistry Vol. 19 (2009), p. 5690 [13] J.
Jin: Advanced Materials Vol. 14 (2002), p. 1480 [17] M.

The lignin as a main component of wood, its content is an important chemical property of wood materials, it has an great effect on the other properties of wood and wood processing and utilization property.
Materials and methods Sample origin.
Evans: IAWA Journal, Vol. 23(2002), p.217
Paakkari: Journal of Wood Science.
Forest Products Journal.

Several hard materials were investigated as spray feedstocks.
US Materials Science and Engineering, Part A (Structural Materials: Properties, Microstructure and Processing 1995), 204(1-2), p. 246-251 [7] S.Y.
Materials Science and Engineering, Part A (Structural Materials: Properties, Microstructure and Processing 2007), 448-451, p. 894-897 [8] R.
Journal of Materials Processing Technology (2001), 117(3), p. 418-423 [12] R.
Materials Science and Engineering, Part A (Structural Materials: Properties, Microstructure and Processing 2005), 408(1-2), p. 202-210 [15] R.C.

Therefore, morphology-controlled synthesis of well-developed shapes and sizes inorganic materials is an important goal of modern materials chemistry.
Goharshadi, Materials Research Bulletin, 47 (2012) 1089 – 1095
Kumar, Journal of Hazardous Materials, 137 (2006) 1538 – 1544
Lu, Materials Chemistry and Physics, 120 (2010) 23 – 30
Nancarrow, Journal of Colloid and Interface Science, 356 (2011) 473 – 480

Depending on configuration and materials used, foil bearings can be divided into several generations, which give a different load capacity [5].
In some systems, by using correctly selected materials and geometry, such bearings are characterized by very high durability and long service life [6, 7].
A foil bearing with a favourably dimensioned geometry but with an improperly selected pair of friction materials can become damaged after a short time of usage.
Therefore, research on friction torque and load capacity of the bearing, under different conditions as well as taking into account materials selection, are very important [9].
Żywica, Development of the foil bearing technology, Technical Sciences 12 (2009) 229-240

Materials and methods Materials Oysters: bought in Taizhou city, Zhejiang province, aquatic product market Other ingrdients: soy sauce, vinegar, sugar, rice wine, ginger Equipments Induction cooker, hot air dryer, water activity plan, vacuum packaging machine, high pressure sterilization pot Main technological steps[3,8] (1) Raw material pretreatment: The flowing clean water was used to wash the fresh oyster meat in order to get rid of the sediment and broken shells as well as other impurities in the oyster meat
Economic benefit of business accounting Using oyster meat fat full of raw materials, the price of raw materials was 4 RMBYuan/kg, on the basis of 10 kg, the cost price of 40 RMBYuan, and 1160g oyster meat can be got from the raw materials, the finished product was about 540g, finished product unit price 160 RMBYuan/kg, so the income was 85 RMBYuan, the gross profit margin was 112.5%.
[3] Shen ShuQi, Xu Chunxia, Tong RuiShan:Journal of development and utilization of Hebei agricultural science, Vol. 13 (2009), p. 79-81,in Chinese
Aquatic food science [M].
[13] Yang Xianshi, Xu Zhong, Guo Quanyou:Journal of China fisheries science, Vol. 10 (2003), p.258-261,in Chinese.

Experiments Materials Analytical grade chemical reagents, such as Ca(OH)2, Mg(OH)2, CaCO3, SiO2, B2O3, Fe2O3, BaCO3, AI2O3 were produced by Tianjing chemical factory[6,7].
According to single mineral carbonation reaction of the materials, reaction equations were derived.
Science , 300, No.5626 (2003) 1677
Journal of Materials Science and Engineering, 24, No.4 (2006) 574.
Journal of Materials Science and Engineering, 21, No.6(2003) 872.

Microstructure evolution and mechanical properties of the Ni/Ni soldered joints Anna Sypień1, a, Andrzej Piątkowski1,b, Paweł Zięba1,c 1Institute of Metallurgy and Materials Science, Polish Academy of Sciences, Reymonta St. 25, 30-059 Krakow, Poland a nmsypien@imim-pan.krakow.pl, b nmapiatko@imim-pan.krakow.pl, c nmzieba@imim-pan.krakow.pl Keywords: High-temperature soldering, Pb-free SnAuCu solder alloys, materials properties.
Lead containing materials are among the most important poisons in respect to human life and the environment.
The main disadvantage of there materials is the high cost.
Patent application P-388171, Institute of Metallurgy and Materials Science PAS, Kraków 2009
Suganuma: Journal of Alloys and Compounds Vol. 352 (2003), p. 226-236.