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Abstract: Based on the experimental study of the gravel layer under the horizontal vibration load, and the variation of particles’ response behavior according to experimental phenomenon, we study the distribution of the shear along the depth direction, propose the main factors which affect particle moves and dynamic stiffness and their distribution in the granular packs.
In recent years, there have been many results for the study of structural properties of granular materials.
Because of the complex, random features, many mechanical properties cannot be demonstrated and explained.
The main factors which affect the movement of particles includes: 1.the shear resistance which particles need to overcome(friction force and bite force between particles) [4] [5];2.the exciting force.
The movement of the particles which is caused by the vibrational energy has been affected by the shear resistance.

The development of mineral casting continues to achieve better mechanical properties.
The mechanical properties testing is the hardness test (surface) and bending (inside).
The type of material affects mechanical properties [15].
The influence of factors and levels on hardness and bending, the highest factors are the epoxy ratio and the ratio of silica-sand raw materials of volcanic sand.
Suggestions Based on the mechanical properties test data, the improvement still needs to be improved to better mechanical properties as required of the structure machine (static).

Research on Mechanical Properties of a New Fabricated Wall Material in Building with Light Steel Structure Changlin Wang*, Shuren Jiang, Baocun Li, Shuai Li The First Company of China Eighth Engineering Division Ltd, Jinan 250220, China *Corresponding author e-mail:chilamwang@126.com Keywords: fabricated, wall material, light steel structure, construction, mechanical properties.
The results of various indexes show that this new wall material structure has a safe and reliable structural composition and excellent mechanical properties, and the material forms and material quality can be customized, it enriches the application design range of building material architecture and is worth promoting.
Analyses of mechanical properties.
Among them, the side column of the framework and Angle plate assembly arrangement number is more, the area is small, its stress ratio are smaller, but the plate is affected by factors such as tectonic modular, not easy to do optimization, and to consider using prefabricated wall plate internals as structures related research is less, the combination of section design is relatively conservative.
The steel connector in the key node of this project has complicated modeling, so it is difficult to judge its mechanical properties and deformation indexes through conventional analysis.

The factors affecting extraction effect，including extraction solution, extraction time, kinds and dosages of sediment, and the pH conditions were improved, and optimization of separation method of 7S and 11S in soy protein with orthogonal test.
The functional properties of the product are not outstanding, which limits the application of soy protein in the food[5].
Determination of optimal extraction condition On the basis of single-factor experiment, this paper carried out L9(33) orthogonal experiment on the key influencing factors of separation and extraction.
The levels of factors are shown as Table 1, thus the optimal extraction conditions of the components of 11S and 7S can be determined.
According to the range, it can be known that the main sequence of the influencing factors of 11 S globulin extraction rate was A > C >B, namely leaching time > acid precipitation pH > precipitant concentration.

The results show that the main factors are the specific permeability of SiC performs and the temperature of molten aluminum alloy.
This excellent combination of properties makes composites very attractive for industrial application.
In terms of properties there is no much difference.
Summary (1) The temperature of the melt and specific permeability of the perform are the main factors affecting the threshold pressure
John: Aluminum: Properties and Physical Metallurgy (The American Society for Metals, USA 1984)

Mechanical Properties and Thermal Resistance ofHigh Volume Fly Ash Concrete for Energy Efficiency in Building Construction B.
Properties studied in this research includes fresh concrete properties, mechanical properties and the resistance of concrete exposed to high temperature.
Theloss of strength at the elevated temperature is believed to be related to various factors.
One of the factors that possibly cause the deterioration is the increased moisture content of concrete.
Material and Environmental Factors Influencing the Compressive Strength of Unsealed Cement Paste and Concrete at High Temperatures. 

Used as a high temperature structural ceramics sintering aids, to note that the impact of the grain boundary glass phase is a major factor in high temperature mechanical properties.
Main Properties of SiC The Structure of Silicon Carbide.
Fig.1 Diagrammatic Sketch of Common SiC Atoms Fault Chemical Properties of SiC.
Thermal Properties of SiC.
Toughness SiC particles, usually with - given amount of SiC particles in the shape of a mold size, the predetermined pressure is applied after the particles are not crushed to reflect the percentage, it is affected by many factors such as particle shape .

The intensity factors as well as the mechanical energy release rate and the total energy release rate has been analyzed for different electro-mechanical boundary conditions.
Finite element analyses and its numerical errors of intensity factors, total energy release rate (G), mechanical energy release rate (GM) and energy density factor of the piezoelectric center crack problem have been obtained by Liu[4].
The functions and, are the standard angular functions for a crack in a homogeneous piezoelectric-elastic medium, which depend only on the material properties and can be determined by means of the extended Stroh formalism and semi-analytical calculations.
Intensity factors and energy release rate.
It is observed that the error in IFs has affected the total energy release rate G as well as in the mechanical energy release rate GM

The influence of the partitioning time on the structure and mechanical properties is discussed.
The formation of bainite leads to no deterioration of mechanical properties.
The formation of bainite and deep changes in shape and distribution of RA affect the mechanical properties insignificantly.
Kaibyshev, High-Mn twinning-induced plasticity steels: Microstructure and mechanical properties.
De Cooman, Microstructure-mechanical properties relationships for quenching and partitioning (Q&P) processed steel, Acta Materialia. 113 (2016) 124–139

Rubber sheets are compounded using an L12 orthogonal array of Taguchi design of experiment, where ingredients are treated as factors varied at low and high loadings.
Crosslinking agents such as sulfur and peroxide are added to the elastomer to form three-dimensional polymeric structure to enhance its mechanical properties [4, 5].
This phenomenon can be unfavorable to health, safety, and the environment; it can also affect rubber performance such as weakening of adhesive properties and reduction of tackiness [9].
Tensile Properties.
Haile‐Meskel, Assessing effect of the reagglomeration and migration of chemical curatives on the mechanical properties of natural rubber vulcanizate, Adv.