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Yield strength, or the yield point, is defined in engineering and materials science as the stress at which a material begins to plastically deform.
In strength reduction method the strength characteristics of the rock mass and joints materials are reduced by a factor until the loss of stability or failure of the structure occurs.
The jointed material model of rock slope is intended to provide a simple, continuum model for materials containing a high density of parallel joint surfaces in some orientation.
Donze, International Journal of Rock Mechanics & Mining Sciences. 52(2012) 18-30
Green, Journal of Tribology. 127(2005) 343-354

In: Annals of Faculty of Engineering Hunedoara - Journal of Engineering. - ISSN 1584-2673. - Tom IX, Fasc. 3 (2011), s. 279-281 [2] Delgado Sobrino, Daynier Rolando - Košťál, Peter: Contributions to the design of the material flow at an intelligent manufacturing cell: advantages of the use of simulation.
In: Advanced Materials Research. - ISSN 1022-6680. - Vol. 429 (2012), s. 31-36 [4] Delgado Sobrino, Daynier Rolando - Košťál, Peter: Contributions to the design of the material flow at an intelligent manufacturing cell: advantages of the use of simulation.
Intelligent material flow by decentralized control networks.
Journal of Intelligent Manufacturing.
Journal of Engineering Science and Technology, Vol. 5, No. 1 (2010) 108 – 129.

Recently, the production of nanofiber from composite materials has been developed.
Materials and Methods 2-1 Materials All chemicals were of analytical grade.
Milan, Development of biodegradable electrospun gelatin/aloe-vera/poly (ε‑caprolactone) hybrid nanofibrous scaffold for application as skin substitutes, Materials Science and Engineering: C 93 (2018) 367-379
Siegel, Drug release and biodegradability of electrospun cellulose nanocrystal reinforced polycaprolactone, Materials Science and Engineering: C 94 (2019) 929-937
Milan, Smart electrospun nanofibers containing PCL/gelatin/graphene oxide for application in nerve tissue engineering, Materials Science and Engineering: C 103 (2019) 109768

Research history and status [2, 3, 4, 5] Smart concrete is a research branch of materials science.
Smart concrete is integrated into the information contents on the basis of modern science materials, such as, perception, recognition, optimization and drivers and so on.
The future smart concrete materials are both high performance building structural materials and superior intelligence materials.
Journal of Solid Mechanics. 25(2004),p.320一324(in Chinese) [5] Kuang Yachuan and Ou Jinping.
Journal of civil engineering. 38(2005),p.53一59(in Chinese)

Acknowledgement This work was financially supported by Natural Science Foundation of China (41202191), China Postdoctoral Science Foundation (2012M520079, 2013T60868), Doctoral Fund of Ministry of Education of China (20110205130001, 20120205120001) and Natural Science Foundation of Shannxi Province of China (2011JM7002).
Journal of Constructional Steel Research，2002, 58(3): 353-372
Journal of Structural Engineering, ASCE, 2004, 130(2): 180-188
Journal of Constructional Steel Research, 2007, 63: 37-44
Journal of Railway Science and Engineering, 2007, 4(6): 12-18

Beijing: China Science and Technology Press (1996)
Chinese Journal of Rock Mechanics and Engineering (1999)
Journal of Coal Science and Engineering (1998)
Chinese Journal of Geotechnical Engineering (1995)
Chinese Journal of Geotechnical Engineering (1996).

A broad spectrum of materials are used in footwear construction as outsole but PVC is widely used which is manufactured from monomer named vinyl chloride.
In preparation of outsole wide spectrum of materials such as Poly Vinyl Chloride (PVC), Poly Urethane (PU), Thermoplastic rubber (TPR), Nylon is used.
Rothwell, Finite Element study into the Effect of Footwear Temperature on the Forces Transmitted to the Foot during Quasi-static Compression Loading, IOP Conference Series Materials Science and Engineering, 10(2010)
Jeffrey, Survey on the use of simulation for manufacturing system design and operation, Journal of Manufacturing Systems, 22 (2003), 157–171
Zhang, Current method in computer aided engineering for footwear design, Footwear Science, 1(2009), 31-46

Not only the material conservation for macroscopically consideration, but also several chemical reaction that probably exit in ash-water were took into account.
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The Science of the Environment, 178(1996):111-126 [4] Bernard Ludwig, Partap Khanna.Heavy metal release from different ashes during serial batch tests using water and acid.
Waste Management, vol25 (2005): 1055–1066 [5] SUN Lu, Experimental investigation on heavy metal emission performance from incineration of municipal solid waste: Journal of Combustion Science and Technology, vol9, (2003): p516-520 [6]MEN.J,ZHANG.JYZHONG.Q, Development of thermodynamic equilibrium prediction of trace arsenic and selenium speciation during coal combustion: Techniques and Equipment For Enviro poll cont,，VOL3（20029）：P1-5 [7]YAN.JH, Leaching Behavior Of Heavy Metals From Mswi Fly Ash.
Journal Of Fuel Chemistry And Technology，VOL32.，（2004）：P65-68.

Actually, the sensor materials are exhibiting semiconductor nature.
There are three groups of materials used as humidity sensors: electrolyte, organic, polymers and ceramics [10].
The ceramic materials previously studied include TiO2 [12], MgAl2O4 [13], ZnCr2O4 [14], a-hematite [15] and ZnMn ferrite [16].
Dube, Journal of American Ceramic Society, 88(2005) 519 [2] S.
Murthy “ Ferrites Materials: Science and Technology”, Springer – Verlog, Narosa Publ.

Pawlica, Structure and properties of alloys of the Mg-Al-Zn system, Journal of Achievements in Materials and Manufacturing Engineering 32 (2009) 179-187
Čížek, Influence of Al addition on structure of magnesium casting alloys, Journal of Achievements in Materials and Manufacturing Engineering 17 (2006) 221-224
Čížek, Forging and rolling of magnesium alloy AZ61, Journal of Achievements in Materials and Manufacturing Engineering 20 (2007) 447-450
Malczewski, Grain refinement in AZ31 alloy processed by equal channel angular pressing, Archives of Materials Science and Engineering 40 (2009) 17-22
Series: Materials Science and Engineering 22 (2011) 012017 1-12