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Such materials are rare in nature.
The main multiferroic materials studied so far are TbMnO3, YMnO3, BiMnO3 and BiFeO3 [5,6, 9-11].
It is also suggested that oxygen vacancies and Fe ion with low valence in perovskite materials may contribute to the magnetism of the materials [26, 27].
Mutiferroic materials get strained under the influence of applied magnetic field.
Wang et al 2003 Science 299 1719 [7] M.

CEITEC IPM, Institute of Physics of Materials, Academy of Sciences of the Czech Republic, Žižkova 22, 616 62 Brno, Czech Republic 2Faculty of Mechanical Engineering, Brno University of Technology, Technická 2, 616 69 Brno, Czech Republic anahlik@ipm.cz, bpokorny@ipm.cz, chutar@ipm.cz Keywords: railway axle, fatigue crack, generalized Willenborg model, crack retardation Abstract.
In the Fig. 4 the v-K curves of these materials are shown.
Probably the greatest difference of these materials can be found in threshold value of the stress intensity factor.
The figure shows very important difference of the residual fatigue lifetime of both materials when the original load spectrum is applied.
Schijve: Fatigue of structures and materials.

(4) When the market demands highly on pro-environmental protection products, module partition is usually focused on recycling, which helps to aggregate the polluted materials or recycled materials into a module to facilitate the recycling, processing, and thus realizes green production.
Every component can be used as a standalone product in the market to promote the professional and commercial production; (5) Expandability: With the development of technology, especially with emergence of new materials and new processing technology, the performance of components which are more stringent with material and process are inevitably and greatly improved.
This kind of components should be designed as a separate module to facilitate the efficient use of new technologies and new materials; (6) The Principles of Basic Parts: The function and structure of basic parts such as bed, column, etc. which are mostly cast or welded, are more independent.
Acknowledgements The work presented is based on research supported by the Ministry of Industry and Information Technology of China (project number: 2009ZX04001-062 and 2009ZX04001-053) as well as the Science and Technology Department of Liaoning Province China.
Journal of Xi an Jiaotong University[J] 2006, 40(1): 46-49

Introduction Organic polymeric materials are widely used as coatings in a variety of markets and applications, primarily to improve surface properties, appearance and performance.
Silica-based organic-inorganic hybrid materials have been extensively studied recently because of the existence of a large amount of organic phases and various acceptable inorganic components [1].
The nanocomposite materials were then deposited on the surface of PE film using Rod Mayer technique.
Adam: European Coatings Journal 4(2001), 144-147 [4] R.T.
Dubois: Plastics in Agricultura (Applied Science Publshers, London 1978)

By investigation, the condition of population composition, building structure, materials and thermal insulation structures of external walls, structure of windows and doors, solar technologies, other eco-technologies and residents' subjective evaluation of indoor thermal environment in winter are reflected.
Wall materials and insulation situation can be seen clearly from Fig.3 and Fig.4: 82.5% of exterior walls are built by solid clay bricks while hollow clay brick walls and rammed earth walls only account for 9.7% and 6.3% respectively.
Fig.3 Exterior wall materials Fig.4 Wall insulation status From Fig.5, it can be seen that 77.5% of houses use wood-framed single-glazed windows.
The small percentage of thermal insulation walls, materials and windows is the main reason leading to poor indoor thermal environment and energy efficiency. 3.
References [1]Yuping Wu, Taojian Hu, Wei Ge: Optimize Building Energy Conservation Policy, Promote Energy Saving Techniques in China, China Construction Dynamics, (May, 2007) [2]Ling Li, Junge Li, Gaochao Du: Study on Energy Conservation Design for Building Envelope of Typical Vernacular Dwellings in Central Shannxi Area, Building Science, (Aug., 2009) [3]Zhengmin Li, Xiaojuan Han, Study on Energy Conservation Design for Typical Vernacular Dwellings in Central Shannxi Area, Journal of Xi'an Eurasia University, (Apr., 2009)

Introduction The technique to improve mechanical performance of materials by dispersing particles in a matrix has been applied to ceramic-matrix, metal-matrix and polymer-matrix composites, and these materials are called particulate-reinforced composites.
The material properties of matrix are E0=70GPa, ν0=0.33, (σ 00)Bulk= 86MPa, n=0.212, λ=3/7, and b=0.283nm.
The material properties of SiC particles are Ep=427GPa, ν p=0.17 and a particle volume fraction fp0 is 15%.
[2] Tohgo K, Mochizuki M, Ishii H, Incremental damage theory and its application to glass-particle-reinforced Nylon 66 composites, International Journal of Mechanical Science , 1998, Vol. 40, pp.199-213
[3] Lloyd DJ, Particle reinforced aluminum and magnesium matrix composites, International Materials Reviews, 1994, vol. 39(1), pp. 1-23

Thermal insulation GHB mortar is a real inorganic green materials.
Structure of Integrated Thermal Insulation Buildings Energy conservation of integrated thermal insulation building mainly depends on structure design and materials of building envelope.
It has excellent properties such as fireproofing and good durability, which are far superior to other insulation materials
Taiyuan: Shanxi Science and Technology Publishing House, 2007
Journal of Civil, Architectural & Environmental Engineering. 2010（32）4:71-75 [4] JGJ26-95, Energy Conservation Design Standard for New Heating Residential Buildings[S]

Costaf a,b,c,d,e,f Graduate Program in Materials Science and Engineering – UFRN – Campus Natal, Avenida Senador Salgado Filho, 3000 - Lagoa Nova - Natal - RN, CEP 59078-970, Brasil.
After alkaline treatment, desilication of these materials was observed.
Jong: Journal of Catalysis Vol. 276 (2010), p. 170
Ramirez: Microporous and Mesoporous Materials Vol. 87 (2005), p. 153
Olsbye: Microporous and Mesoporous Materials Vol. 132 (2010), p. 384.

Materials and Methods Experimental setup.
Fig. 1 Combined superheated steam and hot air drying experimental process flow Materials.
Especially it is suitable for drying materials that needs soft drying in the late drying period.
Acknowledgements The authors express their sincere appreciation to the Shandong Provincial Natural Science Foundation of China (No.
Journal of Food Engineering, 95(2): 313-321(2009).

Current design code g, year-1 / , Ω·m2 Coating type Three-, two-layer polymer coating based on thermosetting resins and polyolefin; coating based on heat-shrinkable materials All other coatings except mastic and polymer-bitumen Mastic and polymer-bitumen coatings Polymer coatings based on thermosetting resins and bitumen-polymer mastics 1.
Reishakhrit, Specific features of energy efficiency management at enterprises of oil processing industry, Journal of Mining Institute. 219 (2016) 490
[12] Hua Bai, Mechanism analysis, anti-corrosion techniques and numerical modeling of corrosion in energy industry, Oil & Gas Science and Technology. 75 (2020) 42-54
Bol'shunova, Prediction of the technical status of pipeline based on analysis, Journal of Mining Institute. 192 (2011) 153-6
Lyubin, Ocenka riska avarij, obuslovlennyh prirodnym faktorom, na magistral'nom nefteprovode Pascuales – Cuenca (Ekvador), Journal of Mining Institute. 230 (2018) 190-6