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Kunič studied and discussed the life expectancy and the application properties of novel polyurethane based thickness sensitive and thickness insensitive spectrally selective paint coatings for solar absorbers.
Anodic coating was an oxide film which possessed selective absorption property for the solar spectrum.
Chromium coating was a kind of black amorphous oxide crystallization with the property of light selective absorption.
Blue core coating was a new metal ceramic coating which was continuously deposited on the metal substrate to obtain high selective absorption property.
It indicates that the relative absorption ration is the key factor that affects coating performance.

However, NR possesses a poor weather resistance and poor wet grip properties.
Hence, chemical modifications of NR are essential to overcome these undesirable properties.
They evaluated the influence of different factors such as water absorbency, polymer coatingpercentage, pH and temperature on the release behavior.
It is found that the variation of temperature has a significant impact on the urea release more than other factors.
Abdullah, Effect of rice husk surface modification by LENR the on mechanical properties of NR/HDPE reinforced rice husk composite, Sains Malaysiana, 40 (2011) 749-756

Other factors, like coal production processes, daily coal output and advance speed also have close relationships with gas emission. 0 Introduction Fully mechanized caving mining is an important technology for mining thick coal seam [1, 2].
But gas over limit on mining face upper corner has become the biggest restricting factors for safe mining in the Daiyang coal mine because the thickness of coal seam is large in the mine and lots of coals left behind in goaf.
Tab. 1 Roof and floor lithology of 3401 working face Classification Rock Average thickness(m) Rock characteristics Main roof Grey middle sandstone 8.8 Silicon-calcareous cementation, contain locally large amounts of muscovite, sometimes contains carbonaceous belt Immediate roof Grey-black mudstone 4.3 Contain locally grit siltstone, contains thin coal seam in upper part False roof Grey-black mudstone 0~0.5 / Direct floor Grey-black mudstone and fine siltstone 9.0 / Main floor Grey quartz sandstone 2.25 Calcareous cementation, separation medium, angularity particles Tab. 2 Gas basic parameters of coal seam Coal seam Gas pressure (MPa) Gas content(m3/t) damping factor of gas flow rate per hole α(d-1) Permeability coefficient λ (m2/MPa2•d) 3# 0.05~0.11 4.23~5.10 0.2430~0.2919 3.436~6.811 The E type three-roadway layout is in the mining face.
So caving coal one-time and largely had a greatest influence to gas emission in fully mechanized caving working face. 3.2 Relationship among gas emission, daily output and advance speed Related research at home and abroad determining that gas emission is mainly affected by mining production, gas emission is generally considered not proportional to the production of working face [5].
The relative gas emission is 2.34 to 6.91m3/t and keeping with a basically stable state. 4 Conclusions (1) The mechanical properties such as gas pressure, porosity and permeability has a greater change because of the abutment pressure in front of working face, which make the gas emission is unbalanced

Despite that, ethanol is nearly non-toxic, non-corrosive, and low in cost and has better cooling properties than kerosene.
These weldments alter the mechanical properties of the base metal through heat affected zones.
All of these factors were included in the analysis.
LOX/ethanol: a) Less toxic; b) Cost effective and c) Ethanol has improved cooling properties.

Introduction Al-22Si-5Fe-4Mn-3Cu-1Mg alloy is a hypereutiectic aluminum silicon alloy, which are an ideal material used for producing car engine cylinder because of its many excellent properties such as low density, low thermal expansion coefficient, high wear resistance, etc.
However, it is difficult to produce such alloys with high silicon content by means of conventional casting process since coarse primary silicon phase precipitates in the materials and causes reduction of mechanical properties and deterioration of workability.
According to the spray forming process, there will be a part of alloy droplets dropping from the spray cone range by the factors such as crashing into each other or field flow effects, and ultimately miss the substrate and solidification to become over-spray powder during flight process.
By the way, the surface morphology of the powder is also affected by the solidification shrinkage, which is related with droplet size.
Spray formging:controlling the atomiztion result with regard to particle properties.

As factors related to wear and friction, the researchers listed PEEK’s adherence, roughness and friction speed.
Regarding the role of polymer transfer film in the wear process, it is known that the adhesion of the transfer film affects the material’s tribological properties.
[10] J.Bijwe, S.Sen, A.Ghosh: Influence of PTFE content in PEEK-PTFE blends on mechanical properties and tribo-performance in various wear modes,Wear,258(2005)1536-1542
[16] T.AKAGAKI,“Tribological Properties and Applications of PEEK material“, Trybologist, 52,2,(2006),126-131

Soil Sampling and Properties.
Physical and chemical properties of the gypseous soil.
Physical properties and chemical composition of NSF.
Ghasemi, Geotechnical properties of the soils modified with nanomaterials: A comprehensive review, Archives of Civil and Mechanical Engineering 17(3) 2017 639-650
Effect of graphene oxide nanosheets on the geotechnical properties of cemented silty soil, Archives of Civil and Mechanical Engineering, 16(4) 2016 695-701

SWOT analysis of wind power industry in china SWOT is the abbreviation of “Strengths”, “Weaknesses”, “Opportunities” and “Threats” among which “S” and “W” are the internal factors, while “O” and “T” are the external factors.
In this paper, S, W, O and T factors involved in the sustainable development of the wind power industry in China are as shown in Fig. 1.
Next, this paper will combine relevant survey materials, literature, industry research reports, statistics data, policies and regulations, and use qualitative methods to identify and analyze the SWOT factors that affect the sustainable development of the wind power industry in China.
Chen, etc: Journal of Mechanical & Electrical Engineering, Vol.27 (2010), p. 1~3,14 [6] G.H.
Zhou, etc: Modern Property Management, Vol.10 (2011), p.25~27

The goal is to understand how print architecture, material distribution, and post-processing affect performance metrics under realistic footstep loads.
· Process–structure–property mapping for print fidelity, interfacial adhesion, and foldability
Foldability simulations assessed the mechanical response of the mat when bent over varying mandrel radii, an important factor for practical deployability and cleaning compatibility [21].
This reflects the mat’s capacity to flex under load and recover elastically, a critical factor in long-term mechanical durability and user safety.
To mitigate this, future designs could benefit from interfacial optimization strategies, such as graded modulus transition zones or compatibilizer layers to reduce mismatch in mechanical properties.

Grácio 1,2,c 1 Centre for Mechanical Technology and Automation, University of Aveiro, Aveiro, Portugal 2 Department of Mechanical Engineering, University of Aveiro, Aveiro, Portugal 3 Department of Computer and Control Engineering, Rzeszow University of Technology, Poland a aoechsner@mec.ua.pt, bmichalstasiek@o2.pl, cjgracio@mec.ua.pt Keywords: Segregation, Metal-Oxide Interfaces,Fick's Law, Mathematical Modelling, Numerical Modelling, Finite Difference Method Abstract.
The presence of solute atoms at internal metal-oxide interfaces influences the physical properties of the interfaces and this, in turn, may affect the bulk properties.
The material depending factor a = Mtot/(NA ρtot Vtot) in Eq. (1) ensures unit consistency for the general source expression γO [4, 5] which involves adsorption (index a) and desorption (index d) at time t as: , exp exp exp exp)1( 0 0 tRT b RT E RT a RT E d d a ao o ∂ Θ∂ =      Θ −     −Θ− −      Θ −       − Θ−=υ υψ γ β α (2) Fig. 1 Schematic description of the problem where the oxygen surface coverage Θ is the fraction between the actual amount of segregated oxygen atoms at the metal-oxide interface and the maximum possible amount (0 ≤ Θ ≤ 1).
It is envisaged to extend the code in our future research work to consider concentration dependant properties (e.g. diffusion coefficient) and to expand the dimensionality of the code to 2D distributions.
Structure-Property Relationship of MetalCeramic Interfaces (Gordon & Breach, USA 1996) [2] E.