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Oxidation constitutes a major factor for quality deterioration of peanut oil.
Thus, it is necessary to care for each step of the process and the factors that can affect its commercial life leading to a deterioration in quality [4, 5].
PET, one of the most food container plastic materials, is however increasingly used, since it is transparent, recyclable, unbreakable, inexpensive and excellent mechanical properties.
It has long been known that temperature during storage can affect the fatty acid composition of the oil [13].
Conclusion In the present study, the effects of container type on storage properties of peanut oils were investigated.

To develop orthodontic acrylic resin powder, particles of the PMMA polymer should be considered because the particle size distribution (PSD) is the major important factor to define physical and mechanical properties of the final product.
Several factors affected the particle size and particle size distribution such as agitation rate, reactor design, impeller position, impeller design, reaction temperature, type and concentration of stabilizer, type and concentration of monomer, effect of additional surfactant and so on [9].
Compromise transparency and surface smoothness of some particles in all experimental groups (Fig.1, 2) can affect the quality of orthodontic base plate since high clarity of cured acrylic resins is necessary to identify pressure spot on oral mucosa [17].
To improve the optical properties of PMMA particles, the effect of temperature, type and location of the impeller for suspension polymerization should be also investigated.

Besides, the high temperature and large temperature gradient of the structure, caused by the transient thermal environment arisen from the aerodynamic heating, could not only degrade the material properties of the structure, but also bring about non-uniform thermal deformation and thermal stress inside the structure [5].
The above factors will all exert great influences on the natural vibration characteristics of the structure.
Besides, such mechanical and thermal parameters are all the functions of temperature as elastic modulus, linear expansion coefficients, thermal conductivity and specific heat capacity.
The corresponding subcases to the above decay factors are respectively called as Subcase B1, B2, B3, B4 and B5, and the the first four modal frequencies under each Subcase at 100s are specified in table 2.
Conclusion This paper explores the natural vibration characteristics of wing structures under aerodynamic heating, and makes investigations on the impact of different factors on the natural vibration characteristics.

Our study aims to investigate the mechanical behaviour of concrete under homogeneous conditions of moisture and temperature.
BMacena Unit Quantity CEM I 52,5 N CE CP2 NF (Gaurain) kg/m3 320 Sand 0/4 roulés silico-calcaire (Varennes) kg/m3 830 Gravel 4/11 roulés silico-calcaire (Varennes) kg/m3 445 Gravel 8/16 roulés silico-calcaire ( Balloy) kg/m3 550 Superplasticizer SIKAPLAST 80 kg/m3 2.75 Total water kg/m3 197.6 E/C 0.62 The standard mechanical properties of the hardened concrete at 28 and 90 days are reported in Table 2.
These properties were obtained by calculating the mean of two samples for each case performed on 16 x 32 cm specimens.
Indeed, this shape serves to minimize the volume of the device, an important factor for carrying out tests under pressure with security in a future study.
Fracture energy decreases as the degree of water saturation increases but does not seem to be affected by the temperature (for 30 and 90 °C).

But until to now, most theories of them are based on phenomenological method, and they cannot interpret the seepage traits and the variation properties induced by environment changing essentially.
At last, an instance was calculated with this model for its permeability coefficient and critical hydraulic gradient, and at the end the calculation results were discussed. 1 Introduction There are large numbers of pour and fissures with different property and forms in solid mediums like rock and soil, and theirs disorder distribution have great effect on rock and soil’s physical and mechanical character, and in most situation this would go against to rock and soil structure’s stability.
WU Chang-Lu associated macroscopic properties or rock with its microstructure and put forward a fractal capillary model for predicting permeability of porous medium according to fractal geometry. 2 Building of capillary tube model To the building of capillary tube model a hypothesis shall be made.
The main conclusion as: (1) Seepage factors were calculated using this model, unfortunately the result not in the anticipated range.
But this model express the combined relationship of factors which affect the permeability feature of rock and soil mass correctly

The original equipment manufacturing mode of the multi-species, multi-process and multi-unit is the main mode in Zhejiang manufacturing industry, the workshop layout affect directly the production efficiency and cost.
The paper analyzed the impact factors of discrete operations workshop layout, established the Multi-Agent mathematical model of discrete operations workshop layout by using Multi-Agent theory, put forward the objective function of the workshop layout, and carried out empirical study by typical enterprises.
In 2001, Dobrila et al used SCSIM-Agent technique to analyze the behavior of disturbances and property change of workshop layout before when it is uncertain[6].
This kind of layout affects the fluency of the system and also the production capacity, cost and production flexibility.
There are 601 economic zones of the block characteristics (mechanical, electronic, metal and plastic products, etc.) whose annual production value is more than one billion yuan in Zhejiang Province.

The ideal joint prosthesis should have following properties anti-corrosion, bone ingrowth, anti-infection and same mechanical properties of natural bone.
They have different mechanical and optical properties compared to the large grained materials of the same chemical composition [3].
Scientists had performed nano-related research and experimentation over the years, and had achieved some initial results, the implants coating with nanophase materials shows amazing properties.
Conclusions The hip replacement prosthesis stability and abrasion rate determines the survival rate and affect the quality of life of the patients.
In recent years, hip prosthesis design not just stick to the morphological, but more focus on bone-implant contact ways, osteointegration, wear rate and other factors.

The turbine’s property was predicted by the 3-d numerical simulation software on the whole flow passage.
It is inexhaustible, and can’t be affected by flood or water shortage.
And the corrosion on the surface of flow over parts usually affects unit’s life.
It is necessary to optimize the inlet part (shape and size) of vertical shaft tubular turbine, considering hydraulic factors and structural factors.
Charlotte, NC, United states: American Society of Mechanical Engineers, 2004, pp601-608

Thus, the structure of boxes is an important element affecting the resistance capacity of boxes [1]
The changing of relative humidity affects the moisture content of box [3], and the moisture content of boards affects the contraction and expansion of paper boards
Reserch on Associated Factors with Structure Strength of Corrugated Cartons[J].
Influence of Enviromental Humidity on Mechanics Properties of Corrugated Fibreboard［J］.
Changes of Mechanical Properties of Corrugated Box during Storage［J］.

Introduction In order to overcome the brittleness of the intermetallic compounds at room temperature and increase its toughness, multilayer material is obtained by the overlapping of metals and intermetallic compounds by a certain ratio of layer spacing and layer thickness, the small interlayer spacing and multi-interface effects can make the properties of this material having layered structure be superior to the corresponding monomer[1,2].
For multilaminate materials, its interface is an important factor on its structure and performance.
The groove angle of the interface also affects the stability of the interface between the layered materials.
Conclusions For the Ti / TiAl multilaminate material prepared by a process of physical vapor deposition with electron beam, after high-temperature annealing, its microstructure shows a degraded state, with the increment of annealing temperature, because the diffusion of Al element to Ti layer aggravates, the content of an orderly phase reduces; holes formation is affected by the two factors of the stress changes caused by the temperature and Kirkendall effect during diffusion process; the grain growth is affected by the temperature and time, and it will lead to the roughening and even disappearing of the interface.
Microstructure and mechanical properties of laser melting deposited γ-TiAl intermetallic alloys.