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Online since: February 2014
Authors: Gede Arya Wiguna, Andreas Christian Louk, Gede Bayu Suparta
The method has been implemented to a number of industrial digital radiography system [4,5].
A set of multiple radiographs for a number of angles of view, namely 0o, 30o, 45o, 60o and 90o were collected.
Kankane, “Estimation of location of defects in propellant grain by X-ray radiography”, NDT&E International 41, 2008, pp 125 – 128.
Online since: October 2010
Authors: Zi Jun Xu, Jun An Liu, Ji Qiu Tan, Xiao Bo Song, Ming Dai
A number of countries have also carried out international cooperation in this regard.
Fig.1 Rice straw forming process The Machanical Technology of Rice Straw's Granulation Under the developing of the thermoforming technology of biomass to today, the market has a number of different ways of forming granulation equipment, these devices have their own advantages, but the prevalence of high energy consumption, low productivity shortcomings.
In the process of granulation, the gap between the die and the roller is extremely important, if the gap is too large, it is easily to lead to skid in the mold roll and the output is low, maybe sometimes there is no grain; gap is too small, modular roller mechanical wear is serious that affect the use of life.
Online since: February 2018
Authors: Hui Huang, Li Rong, Ya Liu, Ran Liu
Commonly, rapid cooling and crystallization of the non-equilibrium effect make a serious dendritic segregation and inside stress during solidification, which induce the significant unevenness component at grain boundaries, and those will bring adverse effect to the subsequent thermal processing [9-10].
(15) °C °C °C °C (c) (d) (b) (a) Fig. 5 Power dissipation maps of 5E61 alloy under different strains (The number inside the figures represent energy dissipation efficiency, i. e. η values).
The contour numbers represent percent efficiency of power dissipation and the shaded areas indicate the instability domains.
Online since: December 2012
Authors: Yu Zhang, Jie Sun, Liping Yang, Song Feng Lu
For each attribute i, it selects a random element ti ∈ Zp and denote by Amax the number of all attributes.
Let |G| and |GT| represent size of an element of G and that of GT respectively, and we denote by d the number of all attributes.
Attribute Based Encryption for Fine-Grained Aceess Control of Encrypted Data.
Online since: July 2013
Authors: Lan Fang Yao, Jun Long Kang, Xin Pei Yan, Xiong Tang
TiO2 as a fascinating semiconductor material is increasingly used in photo-assisted degradation and complete mineralization reactions of a large number of toxic organic compounds in the quest to dispose of environmental contaminants in aqueous and atmospheric ecosystems[1].
It has a number of advantageous properties such as high dielectric constant, excellent optical transmittance, high chemical stability, low cost and nontoxicity.
Grain boundary blocking and segregation effect in yttrium-doped polycrystalline titanium dioxide.
Online since: December 2012
Authors: Miao Wu, Xue Di Hao, Zhi Nan Wang, Shuang Yu Zhang
Introduction High concentrations and viscous solid wastes refer to solid-liquid two-phase wastes or byproducts with high solid content, viscosity, and fine grain size, which are produced in industry and municipal sewage treatment processes.
According to Faraday's electromagnetic induction law, the introduced voltage U is calculated by the following equation: (4) Where, S is the area of the electromagnetic induction coil, N is circle number, is the magnetic field changing rate.
Tab.1 Measured weight of coal slime Number Time(s) Actual mass(kg) Net mass(kg) Flow(m3/h) 1 4.9 34.16 31.37 18.58 2 4.2 33.19 30.03 20.06 Tab.2 Signal-to-noise ratio of tow impulse signals noise Vp-p(V) signal Vp-p (V) SNR Signal 1 0.039 233.5 Signal 2 0.059 217.7 Conclusions By conducting delivering coal slime experiment in a loop pipe system driven by the screw pump, some conclusions are following: l The relative test experimental error of the thick paste flow rate measurement apparatus is less than 1%.
Online since: August 2013
Authors: Ning An, Gang Li, Jing He Tan
Introduction This mining area is located in Guangxi province,which is located in the low mountain and hoodoo basin area,the original belongs to our country state-owned large poly metallic mine.This mining has a long history,according to the documents,it has mining method as early as the middle period of Qing dynasty,Since completed and put into operation in 1960,after nearly half a century of development, it was developed into a comprehensive state-owned enterprise.The mining has always been the backbone of the local economy industry, made a great contribution for the country's economic construction.Because the mineral resources has dried up, mining has stopped.Due to mining activities,resulted in a large number of building crack,collapse in the center of a town near the mining area.The whole town in 1969-1970 the overall relocation,the area is at a sterilize state now. 1 Geological Environmental Conditions 1.1 The Formation Lithology.The exposed layer in Mining area is Quaternary
and peak cluster valley, peripheral uplift as consisting of sandstone and shale, middle and low-lying land base for sandstone and shale, overlying limestone, terrain leads to precipitation, promoted the formation and development of the karst landform in the area, which leads to the complicated hydrogeological conditions and water filling deposit is relatively serious. in the mine ,the outdoor floor mainly for Cambrian shale and Yujiang-Rong group of Devonian limestone , the two contact unconformably. 2 Karst Development Characteristics and General Situation of Karst Collapse Development 2.1 Characteristics of Karst Development.Mining area in the plane direction of karst development and distribution is fitted with the distribution characteristics of three groups of fracture structure which distribute to north west, north east and near north-south .A set of well-developed faults along the north and south are the major elements of underground karst channel in southern mining area , form number
Due to the lower part as the permeable layer, the karst water and pore water exists at the same time. least conducive to soil layer stability is underground water level in the permeable layer, especially sharply pumping groundwater in the mining, will produce a larger dynamic water pressure and seepage pressure, when the water level reached the critical hydraulic gradient, small grain of sand will quickly transported, soil cave to form.
Online since: October 2010
Authors: Shiva Salem, Seyyed Hamid Jazayeri, Federica Bondioli, Ali Allahverdi, Mansoor Shirvani, Anna Maria Ferrari
Introduction The ceramic pigments with particle size in the nanoscale have a massive potential market, because of their high surface area, which assures higher surface coverage, higher number of reflectance points and hence improved scattering.
This may result in inhomogeneity, larger and uneven grains and poor control of stoichiometry [4].
One of the cheapest amino acids, glycine (NH2CH2COOH), is known to act as a complexant agent for a great number of metal ions because it contains a carboxylic acid group at one end and an amino group at the other end [13].
Online since: May 2010
Authors: Guo Zheng Wang, Bo Jiang
One project can be constituted by multiple design documents; a design document can contain a number of transparent layers; while the same layer can be made up of a graphic (image) object or object group (by a number of objects constituting a unified operation set).
Newman-Wolfe et al.: "MACE: A Fine Grained Concurrent Editor", Proc. of ACM COCS Conf.
Online since: May 2012
Authors: Ulrich Starke, Thierry Ouisse, Didier Chaussende, Konstantin Emtsev, Camilla Coletti, Alexei A. Zakharov
In contrast, on cubic SiC substrates, namely the corresponding Si-face, i.e. 3C-SiC(111), just a few studies of graphene growth have been performed, yielding grain sizes of only a few micrometers and with limited homogeneity of the layers obtained [3-5].
Electron reflectivity spectra extracted from energy series of such LEEM images can be used to count the number of graphene layers present [12] by counting the number of minima in the energy range between 0 and 6 eV.
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