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In addition to it, the paper also analyzes the factors which affect stiffness of wooden beam.
a.Setting drawing b.Sectional view c.Support diagram Fig.3 Schematic diagram of test setup Results and Discussion Test result of mechanical performances of wood Test of wood characteristics includes: modulus of elasticity, bending strength, water ratio.
(3)Presreessed forcedepends on upward camber of presreessed wooden beam and strength of steel bars.The former is advised not to exceed,which can not affect the regular service.The latter should ensure total stress of presreessed wooden beam under the design load dose not exceed the strength of steel
(4)Main factors affecting the stiffiness of prestressed rebar are extensional rigidity of steel.
（In Chinese） [5] Testing Methods for Physical and Mechanical Properties of Wood(GB 1927-1943-91) the State Bureau of Technical Supervision， (1992) pp. 35-40（In Chinese） [6] Gongchen Du: Modern Prestressed Concrete Structure (Construction Industry Press, China 1988), pp.322-334（In Chinese）

Micro textures are imparted on HSS discs using CO2 laser, varying the shape and dimensions of the resulting dimples affecting the frictional coefficient and wear.
Based on these studies, it is found that texturing can control the tribological properties.
These results will help us to determine scenarios where texturing improves or degrades the tribological properties of contact surfaces.
The frictional properties for textured discs with a dimple depth of 5 μm are shown in Figure 3(a).
However, it is found that lubrication condition and shape of dimple are significant parameters statistically affecting the COF at 90% confidence level.

The investigation suggested that deterioration is influenced by factors such as climate effects, material properties, and characteristics of vehicular loads [2].
Physical and mechanical properties of fibers [20].
Adding fibers to concrete mixes increases mechanical properties like compressive, split tensile, and flexural strength
Mechanical and dynamic properties of coconut fibre reinforced concrete. 
Mechanical, Dynamic and Absorption Properties of Hybrid Fiber Reinforced Concrete for Rigid Pavements Application. 

Wang et al. [7] found that the cutting force was a main factor affecting surface roughness, and observed that when these forces increase up to 250 N, an increase in roughness values was seen, and that when the forces increase above 250 N, roughness values would decrease for the milling of CFRP.
Chatelain et al. [8] found that the fiber angle is an important parameter affecting the roughness profile.
One important factor affecting the quality of machining is the tool condition.
It could lead to a false good quality cut surface interpretation, while the mechanical properties of the material for the trimmed area may decrease due to thermal damage of the matrix and the breaking of the carbon fibers beneath the trimmed surface, as shown in Fig. 3b.
Fig. 5 Surface roughness as a function of cutting length in Test 3 (in up-milling in -45˚ ply) Conclusions One of the important factors affecting machining quality is the tool condition.

In addition, the living tissue, cells, growth factors or drugs may also be the introduction of the composite, which can be improved its biological properties, expanding its functionality greatly.
Composite materials have better properties and a wider range of applications due to the advantages of the selection of raw materials to avoid its disadvantages.
Someone get the polylactide a B glycoside (PLGA) polymer scaffolds for tissue engineering through the method of low heat and pressure, and that adding calcium alginate can improve the scaffolds hydrophilicity and mechanical strength; Lin Angela S P etc. study the microstructure and mechanical properties of porous PLA scaffold.
Thomson produced PLGA/HA porous scaffold material, and to study the factors affecting material properties.
Baker Abu Ms produce the polyether ether ketene HA enhanced mechanical properties of materials, and studied the mechanical properties of materials, heat treatment conditions on the material properties.

In addition, the electrical transport properties, i.e., electrical resistivity and Seebeck coefficient, of the sintered samples were studied.
Mechanical alloying (MA) is usually utilized to produce the alloyed powders for sintering.
It is seen that addition of Ag remarkably affects the magnitude of power factor and its variation with temperature.
As the Ag content R0.05 mass%, the power factor decreases with temperature.
At x=0.1 mass%, the power factor is almost unchanged with temperature.

These factors include the rapid attainment of mechanical strength, dimensional stability, resilience in acidic environments, fire resistance, and excellent bonding properties with aggregates and reinforcements.
GPC systems derive their mechanical strength from various influencing factors.
Properties of FRP bars significantly affect the overall performance of structural elements, particularly over extended periods.
Mechanical behaviour of FRP-reinforced structures is heavily influenced by three crucial factors: density, elastic modulus, and tensile strength [68].
Eklund, “Factors affecting the suitability of fly ash as source material for geopolymers,” Fuel, vol. 89, no. 5, pp. 992–996, 2010

Significant changes in mechanical properties were observed.
Analyzing these factors based on different models, it can be concluded that they all come down to similar conclusions.
The objective of the research was to determine how the addition of individual fibers, in different amounts, affects the mechanical properties of the renovation plaster.
These are the same places where the mechanical properties decreased.
All tested fibers improve the mechanical properties of porous renovation plasters.

Bending tests were made longitudinally (LO) and transversely (TR) in relation to the rolling direction due to anisotropy in mechanical properties.
The results showed that by using structural steels, n- and K-factors, UE, TS and YS correlated with the Rmin (Table 3).
There are many material parameters affecting to the bendability of materials.
Tensile properties and bendability of T4 treated A6111 aluminum alloys.
Factors Affecting Bend Formability of Tempered Copper Alloy Sheets.

Introduction Recently, manganese oxide and derivative compounds have captivated more and more attention because of their special structural flexibility combined with novel chemical, physical, mechanical properties, which led them to many applications such as molecular sieves [1], catalysts [2], Li/MnO2 batteries [3-5].
In the other hand, with the development of one-dimensional (1D) materials, the morphology and the size of the nanomaterials are regarded as two importance factors favoring the unusual properties of the materials.
The prepared nanorods may have potential applications in catalysts, magnetism, lithium batteries and so on, due to their different physical properties.
In order to investigate the magnetic properties of Mn2O3 nanorods synthesized at different calcination temperature, the EPR technique is used here.
EPR parameters, g value, line width, line shape, etc., are largely affected not only by metallic transport properties but also the preparation methods and the purification process[27].