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Online since: May 2013
Authors: Ming Liu, Yao Yao, Yu Bai
According to the repulsion of attraction, the knife beam slit the oil flowing out of the grain between the mutually exclusive, oil mist is formed, under the effect of electric field along the power line, oriented in the direction of flow of the positively charged plate, on the strip surface sediment discharge formed a homogeneous oil film[3-6].
Analysis of Knife beam internal fluid flow According to the oil viscosity 0.0000189 square meters / second, tube diameter of 0.01 meters, the fluid in the tube of the average velocity of 0.0182 M / sec, calculated a Reynolds number of 10 than that of smooth metal wall Connaught number Re critical value of 2000, so it can be judged for laminar flow.
Online since: February 2008
Authors: Sam Yang, Scott Furman, Andrew Tulloh
Although the existing techniques for theoretical and numerical modeling of material micro-structures [1-7] are successful in simulating the formation and structures of grains on fine length scales, in most cases, comparisons between model predictions and experiments could only be made statistically.
However, given the generic nature of the approach and virtually unlimited possibilities in material microstructures due to an endless range of material compositions under a diverse range of formation processes, a large number of experiments will be needed.
It can be expressed mathematically as ( ) ( ) Ni λλλλ v v M v L M i i M i i ,,2,1 ,,, ; 1 ,,1,0 ;10 21 0 , 0 , , L L L =          = = = =≤≤ ∑ ∑ = = α αα α α α λµ λµ α (1) where α denotes the compositions; i is the position index of a voxel, iv ,α is the volume-fraction of the α'th composition at location i ; for an x-ray wavelength or particle energy λ, ( )λµi is the total linear-absorption coefficient of the i 'th voxel and ( )λµα is the total linear-absorption coefficient for the α'th composition; and N is the total number of voxels.
Online since: August 2011
Authors: Shu Feng Yang, Jing She Li, Zhen Kui Yin
The perovskite grains exist within mixed corrosion of structure and between the crystals of calcium ferrite.
For a small number of Hematite, the internal is filled by dicalcium silicate and glass phase and a few scattered granular hematites located in the middle of interwoven structure.
Some magnetite and calcium ferrite formed corrosion structure and small number of calcium ferrite formed interwoven structure itself.
Online since: April 2012
Authors: Turgut Gülmez, Mehmet Safa Bodur, Ayhan Durademir
Average grain size were measured 220 µm and 360 µm for grinded hazelnut and peanut shells, respectively.
TS of peanut composites was found to increase until the 3rd reprocessing step while TS of hazelnut composite increased in a linear fusion with increasing number of reprocessing.
However IS of composites was found to increase with increasing number of reprocessing probably because of improvement of the dispersion of fillers.
Online since: November 2006
Authors: Peter E.J. Flewitt, Robert Moskovic, M.R. Wootton
These changes arise from microstructural changes which include the formation of precipitates, mainly copper-rich and carbides, vacancy and interstitial clusters which product small voids and dislocation loops and segregation of certain impurity elements such, as phosphorus, to the ferrite grain boundaries [3].
The surveillance schemes provide a relatively small number of specimens for a particular combination of SA weld metal, neutron dose and exposure temperature.
However due to difficulties with access from outside the PRV a number of specialised remotely operated vehicles were constructed to deploy cutting and manipulating tools.
Online since: August 2013
Authors: Wei Sheng Liu, Chun Yu Li, Yong Jie Wei, Cui Cui Liu
The X-axis is the detector number.
The detector with bigger number is farther from the optical center than the smaller ones.
Quantitative criteria of grain-size scale.
Online since: January 2014
Authors: Franci Cus, Tomaz Irgolic
It takes a lot of individual line shaped parallel coatings (single layer), as well as a large number of successive layers to finish the entire surface.
Benefits of using LENS technology are as follows: - fast creation of graded materials, - a wide range of metallic materials, - low heat input, - fine-grained microstructure, - the whole process of adding material is computer controlled, - low probability of cracking, - controlled protective atmosphere.
Optomec LENS 850-R work settings Machine settings Value Power 620 [W] Feed rate 12,5 [mm/s] Amount of filler material 6,2 [g/m] Number of layers 6 Spacing between layers 0,5 [mm] Mark of filler material 1.3343 4.
Online since: February 2014
Authors: Peng Cui, Yang Sang, Bao Quan Li, Hai Xia Zhang
The rotating molding pressure is 600 kpa and the rotation number for Ninitial=9, Ndesign=125 and Nmaximum=205.
Table 3 Water stable performance test results of Marshall (Marshall Specimen molding temperatur155℃) Asphalt-aggregate ratio (%) Stability(kN) (60℃,30min) Residual stability (%) Splitting strength (25℃, MPa) Freeze-thaw split intensity ratio (%) 4.1 12.1 89.3 0.97 88.7 Technical requirements >8.0 >80 / >80 Table 4 Rutting test results Number 45min displacement 60min displacement Dynamic stability (time/ mm) AVG Technical requirements 1 2.381 2.778 1588 1547 >1000 2 1.672 2.163 1284 3 2.730 3.086 1768 Test road construction Temperature control.
Rotate the compaction method design of coarse grain type of proportion of flexible base asphalt sTable research [J].
Online since: December 2014
Authors: Feng Gao, Li Li
Introduction With the large increase in the number of various types of research and research projects, research information management of some universities requirements more stringent, and the school is currently scientific information management model, not only inefficient but also the correctness and completeness of data can not be guaranteed, has been unable to meet the growing business needs that can be summarized as the following points: 1) Inadequate information technology and automation.
· The model Based on the role: the roles and users viewed object, and maintenance operations set for different types of objects, which features a scalable, simplified and fine-grained.
· Ordinary users can only browse according to their own personal research work permit number information; statistics printing, personal research information must be submitted to the department audit entry, also responsible for the entry and maintenance of basic personal information
Online since: December 2013
Authors: Yun Xiang Liu, Wan Jun Yu, Hua Fang
The structure of the activity is given such as: The activity may contain a number of input/output port, constraints and properties.
Analysising the detailed data processin in the AGWL, it provides technical to master AGWL of more fine-grained and to improve AGWL.
CoreGRID Technical Report Number TR-0000[C], Institute on Grid Information and Monitoring Services CoreGRID-Network of Excellence. 2006
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