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Some of them may be useful as novel bioactive factors for triggering the activity extracellular matrix (ECM)-secreting cells [7].
For collagen-based materials and chitosan-based materials the mechanical properties were studied.
The results showed that these properties are suitable for biomedical applications.
These two combined factors (small groups, dispersion in several research themes and expertises) make the biomineralization scientific community rather sparse, and not truly coordinated.
Kozlowska, Properties and modification of porous 3-D collagen/ hydroxyapatite composites, Int.

In summer, the rate is higher, but in winter, the accumulation of the emissions is serious, and even affects the power plant and the normal operation of the heating boiler.
So the lack of talents is becoming one of the restraining factors of Tongzhou’s further development.
Development Strategy In order to take advantage of the advantage, overcome the influence of various unfavorable factors, and look for more opportunities, this paper puts forward the strategy for Tongzhou Company, based on the SWOT analyses about the company Strength, Weakness, opportunities, threats and so.
[3] Siddique R, Effect of Fine Aggregate Replacement with Class F Fly Ash on the Mechanical Properties of Concrete, J.

In the past software development activities, these issues have seriously troubled people, these issues affect the results of software development.
As we all know, RUP method have property of "cropping"[10], after cropping, RUP method meeting specific requirements can be obtained.
To put forward property of "cropping" is an innovative, such, flexibility of RUP method enhanced.
The first point is to consider the external factors of software development method.
The second point is to consider inside factors of software development method.

Introduction It is well known that the alloy composition and processing conditions can determine the microstructure and mechanical properties of alloys to a great extent.
In the solidification process, growth velocity, temperature gradient and heat transfer condition at the solid-liquid interface are important parameters that affect the microstructure of alloy [1].
According to Turnbull’s nucleation theory [16], the nucleation rate ( I ) of homogeneous nucleation is expressed as follows (2) Where, is a constant ( ), is nucleus shape factor, is melting point of metal, and is latent heat.
According to the classical nucleation theory [19], the nucleation rate is expressed as follows (7) where, is a constant, and is the melting entropy, and is the undercooling, is the solid-liquid interface energy, and is the wetting angle,is the wetting angle factor, is atom diffusion activation energy, and is Boltzmann constant.
There are two main factors that favor the heterogeneous nuclei: (1) the primary phases are acted by not only the viscous drag force caused by the fluid flow but also the electromagnetic force by the RMF.

In recent years, many researchers have study the effect of sugarcane vinasse to the agronomic traits of sugarcane[3,4], yield and quality of sugarcane[5,6], the optimal restitution amount [3], physical and chemical properties of soil[7,8] and biological characters of sugarcane field[9,10,11], while the effect of different layers and vertical distribution characteristics of sugarcane soil by using sugarcane vinasse are rarely reported.
Besides, 1.5 is the conversion factor which can eliminate changes of background value caused by rock difference.
It is concluded that using sugarcane vinasse can reduce the pH value of sugarcane fields and affect to a certain soil depth.
In addition, sugarcane vinasse was used in liquid, so it had better penetration ability and could be affected to a certain depth.
Furthermore, the mechanical entrapment of soil, fixed of organic matters and adsorbed of soil colloids will generate blocking effect on the migration of Cu.

Tensile tests on steel samples were performed to determine the mechanical properties of longitudinal/transverse steel reinforcement; the obtained mean values are listed in Table 1, where: fy and ft are the tensile strength at yielding and ultimate, respectively; ft/ fy is the hardening ratio, and et is the ultimate strain corresponding to ft.
Steel rebars’ properties.
STEEL TAPE Effective area of one cord “3x2” Acord = 0.538 mm2 Ultimate tensile strength* fsu > 2800 MPa Modulus of elasticity* Es > 190000 MPa Ultimate tensile strain esu > 1.50% *Properties related to the dry sheet (Data provided by supplier) Low density (LD) GEOSTEEL G600 Medium density (MD) GEOSTEEL G2000 High density (HD) GEOSTEEL G3300 N. cord/mm r = 0.157 N. cord/mm r = 0.472 N. cord/mm r = 0.709 Weigth, w = 0.67 kg/m2 Weigth, w = 2.00 kg/m2 Weigth, w = 3.30 kg/m2 Equiv. thickness teq = Atref· r=0.084 mm Equiv. thickness teq = Atref· r= 0.254 mm Equiv. thickness teq = Atref· r = 0.381 mm Fig. 2.
Typology and mechanical properties of the used strengthening materials [9].
However, it is worth noting that when using the epoxy resin to apply the steel tapes, the delamination clearly involved a rather significant portion of concrete substrate (Fig. 3c); when employing the inorganic matrix, instead, the collapse of the composite system only partially affected the concrete substrate and, conversely, it clearly involved the mortar layer, so that an interlaminar delamination in some portions of the beam took place (Fig. 3d).

Material parameters and process parameters In order to obtain parameters of mechanical properties of TC4 titanium alloy after solution and aging treatment, the uniaxial tensile test experiments of TC4 titanium alloy plate were carried out on the computer controlled electronic universal testing machine in mechanics laboratory.
Fig. 3 FE model Fig. 4(a) Part after adding addendum surface Fig. 4(b) Tool path Results and discussion Springback is the inevitable phenomenon in incremental forming process sheet metal, which directly affects the forming accuracy of the parts.
Springback in incremental forming process is a very complex issue, which contains many mutual coupling factors, showing a high degree of nonlinearity.
China Mechanical Engineering, Vol. 19(2008), pp.491-497, In Chinese

In order to achieve the required mechanical properties with desirable microstructure, the components always formed by hot deformation processes such as forging.
The hot deformation behavior is essential that establish the logical relation between these factors and mathematical response of hot deformed materials[4].
The tests were conducted out on a Gleeble-3500 thermo-mechanical simulator at the temperatures varies from 1060 to 1160℃ with intervals of 20℃, and constant strain rates(0. 001, 0. 01, 0. 1, 1, 20s-1) which cover the conditions used for the forging of Udimet720Li disks.
Processing map of U720Li alloy at strain of (a) 0.1, (b) 0.3, (c) 0.5 and (d)0.7 It is seen from Fig.4 that the instability domains in processing maps vary with the increasing of strain, which indicates that the strain affects the processing map of U720Li alloy.

Additionally, many factors including film thickness, pore size, intermetallic particle-related discontinuities can affect the penetration of corrosive electrolyte to the alloy matrix beneath the anodic film, making the corrosion process of anodised aluminium alloys complicated and difficult to study.
Ma, Effect of thermo-mechanical treatment process on microstructure and mechanical properties of 2A97 Al-Li alloy, Trans.

Main Factors Affecting the Deformation of Dangerous Rock.(1) The deformation destruction of dangerous rock is closely related to and characteristics of the development of cracks in the area.
Factors Causing Instability of Dangerous Rock.Factors causing instability of dangerous rock include storms, earthquakes, and the split of plant roots.
Storm is the main factor causing dangerous rock collapse.
The surface water formed in precipitation infiltrate through cracks in the top of the cliffs, fill in the cracks, thus reducing the mechanical properties of cracks and increasing the water pressure inside the cracks (including the hydrodynamic pressure and pore water pressure), while softening the base to induce collapse of dangerous rock.