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Experimental material selection and experiment scheme In order to test the filling material that mainly composed of loess and the fly ash in the physical and mechanical properties, research the feasibility of loess and of fly ash as filling material and gain the new kind of filling material and it's mixture proportion, the experiment was carried out as follows: The major indexes of backfilling materials the requirements of raw materials.
Influence factors and levels are designed is shown in Table 1.
Various factors influence on the uniaxial compressive strength of specimen The processing of experimental data.
Each of the different indicators of filling slurry such as setting time, hardening rate and the strength etc, the strength of specimen is one of the most important indicator, so uniaxial compressive strength is the most valuable result for this experiment, by using experiment results analysis method of the orthogonal for judging the each factors and levels that affect on the results.
In order to further understand the influence of various factors on the experimental results, get the optimal material ratio .

As the traditional electrostatic precipitators has low removal efficiency of submicron particles, so we improved the supply conditions of the precipitator, and pre-charged to improve the particle properties.
Bag filter attracts the attention at home and abroad for that it’s immune from flue gas composition, specific resistance and other properties of the dust and without secondary pollution.
The combination of ESP and bag filter also can accommodate wider range properties of the fine particles by adjusting the respective load.
Besides, electric coagulation process is more complex, and there are many factors affect the performance of coagulation, such as the initial particle size distribution, pre-charged condition (the number and frequency of the charge, polarity and symmetry), the applied electric fields (such as whether applying electric field, electric type), etc., which limits the electric agglomeration techniques used in industry [15].
Chinese Journal of Mechanical Engineering ,2003,23(1)：145 – 149.

Therefore, this article introduces the girder method, based on test results, it is very effective method that load-carrying capability is analyzed using the finite element software ANSYS by establishing mechanical models.
BEAM44 beam unit was utilized for the finite element models of whole structure, tried to reflect physical properties of structure, mass distribution, and condition of constraints and so on.
Crossing section was divided four parts including virtual longitudinally girder, the left side rib, the right side rib, right virtual longitudinally girder, the cutting of virtual crossing girder turned over several factors, such as constraint condition change, crossing section change, pivotal cross section and the correspond of longitudinal and crossing girder span and so on, as well as, every stiffness parameters of element were calculated in accordance with the actual width.
Summary The Method of grillage is a kind of method for simulating spatial analysis of wide, the simplified mechanical model could give expression to the mechanical characteristics of true bridge structure accurately to some extent, the result of a calculation are in accord with the results of loading test.
During the finite element modeling of the bridge, the factors affecting the accuracy of the finite element model are discussed in detail, as can be seen from the data analysis that loading states of model 1 is close to fact, so this method of breaking in the paper can provide the guidance for analysis on structural behavior of the prestressed concrete box girders construction of the kind.

Hot deformation behavior of as-cast 300M steel was investigated in the temperature range of 850-1200℃ and strain rate range of 0.01-10 s-1 using Gleeble-3800 thermo-mechanical simulator.
Microstructure evolution is greatly affected by deformation temperature and strain rate.
Introduction 300M steel as a medium carbon low-alloy ultra-high strength steel was modified by adding the alloying elements of 1.6%Si and 0.1% V in 4340 steel [1], widely used in key bearing structural parts such as aircraft landing gear owing to its high strength, high fracture toughness and excellent fatigue properties [2] Many aircraft landing gears are made of 300M steel, such as Boeing 787, Airbus A380, C919 and C929.
It is well known that the friction between the sample and dies will affect the symmetrical deformation of the samples.
Therefore, the above-mentioned friction correction method can reduce the error caused by the unavoidable factors during the experiment.

Finite element analysis of wind turbine lifting platform bridge structure Yu Tang a, Yuhou Wu, Ke Zhang, Jia Sun, Enwei Song School of Shenyang Jianzhu University,Institute of mechanical engineering, Shenyang ,110168; a2233870124@qq.com Keywords: Wind turbine; Bridge structure; ANSYS Workbench.
Compared with the standard, it shows that this structure satisfies the strength and stiffness requirement and will generate frequency affecting human body higher than the nature frequency.
So, the two main beams’ stress are different.Considering the heavy lifting caused by sudden dynamic loads and wind loads, select the dynamic load factor as Φ=1.2 , the role of the force in the main bridge as shown in Table 2[3].
We can placing reinforcement or change of thickness to improve its mechanical properties for designed. 3.
Got the platform’s natural frequency and predict the dynamic vibration mode; Avoided the frequency which affect to human’s body.

In addition of the good biocompatibility of HAp, the dielectric properties of these bioceramics have been evaluated in numerous studies [12-14].
Also, it has been found that such properties of HAp are greatly affected by various parameters such as Ca/P ratio and sintering temperature [15].
The dielectric properties of MgTiO3, Mg2TiO4 and MgO and their effective applications in electric equipments have been proven [20].
However, further work is needed to investigate the electrical properties and identify optimal HAp and β-TCP levels that satisfy electrical performance criteria.
Other properties and electrical performance of these nanostructured materials will be carried out in our research center.

Sintered product not only has a complicated shape and precision compared with injection molding method of plastic, but also has a physical, chemical and mechanical properties closed forging.
Traditional powder metallurgy technology for the preparation of pure iron, the lower the relative density of the resulting products, making the magnetic properties of the products affected to some extent.
Tasovac et al [3] study the properties of Fe-3 % Si and Fe-6 % Si soft magnetic by MIM, soft magnetic materials for MIM Fe-6 % Si mixed powder is higher than the density of the material sintered prealloyed powder prepared, better soft magnetic properties.
The main factors that affect coercivity is the grain size.
(in Chinese) [10] Q.Li.The processing and the main properties of metal powder injection molding Fe-50％Ni soft magnetic alloys.

A new structure of mechanical pulse CVT –rotational swash plate pulse CVT was put forward.
Introduction Pulse continuously variable transmission is a type of mechanical transmission.
But the gear module determines the gear tooth root bending fatigue strength, so it affects the transmission dynamic performance.
Zhou: Mechanical Continuous Variable Transmission (China Machine Press, China 2001) [3] Y.Q Zhou, X.L.
Dong: Journal of Mechanical Transmission, Vol.29(2005)No.1, pp.65-68.

This research is a comparative study of the physical properties of akund/cotton material and pure cotton material.
Results show that the enhanced structure of akund/cotton compact yarn typically results in a lower hairiness and improved mechanical properties.
The comparison of properties between cotton, kapok and akund is shown in Table 1[6].
Basic properties of yarns.
Form and dimension of the spinning triangle affects not only the yarn structure, but also the surface properties.

Introduction The relative displacement between the connection parts of the shafts, including the axial displacement, lateral displacement and angular displacement, is caused by the various factors during the process of the machine installation and operation.
Here the mechanical model of this kind of coupling is produced basing on the diaphragm shown in Fig. 3.
Fig.3 Schematic diagram of four bols flexible Fig.5 Change of angle displacement membrane a) Misalignment angle b)Lateral misalignment c) Axial displacement d）General form Fig.4 Shaft misalignment 2.3 Diaphragm stress analysis Diaphragm materials is 40CrNi2MoA, mechanical properties is σb=1960MPa, σs=1605MPa, [σ]=802MPa, μ=0.3, E=200GPa, ρ=7900kg/m3 and safety factor is n = 2.
This explains that the mechanical model and the assumption used by the theoretical analysis is appropriate
Diaphragm Stress and Effective Factor Analysis of the Flexible Laminated Membrane Coupling.