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Online since: February 2021
Authors: Emmanuel Iwuoha, Sabelo Sifuba, Shane Willenberg, Usisipho Feleni, Natasha Ross
The MWCNTs also plays a major role in grain boundary refining with reduction of particle size.
Eq.1 Eq.2 Eq. 3 Eq. 4 Where, ωmax is the angular frequency at the maximum impedance; R is the gas constant = 8.314 J/mol K, T is the room temperature = 298 K; n is the number of electrons transferred per molecule of lithium = 1; F is the Faraday’s constant = 96485 C/mol; A is the geometric area of electrode (16 mm diameter; measured from experiment) = 2.01 cm2; C is the concentration of lithium ion in LiFe0.5Mn0.5PO4 = 0.0228 mol/cm3.
Online since: December 2014
Authors: Celeste M. Pereira, Susana P.B. Sousa, Maria C.S. Ribeiro, Paulo R.O. Nóvoa, Antonio Ferreira
., Portugal) which consists in a fine white grain-based organic phosphonate powder having high phosphorus content.
This method allows assessing to the same information provided by an experience plan based on the full factorial method but with the advantage of requiring smaller number of experiments.
Online since: April 2016
Authors: S. Krishna Rao, P. Sravana, T. Chandrasekhar Rao
The grain Size distribution and other properties are listed in Table 2.
The Cantabro loss was increasing with the increasing in number of revolution.
Online since: July 2015
Authors: Nik Hisyamudin Muhd Nor, Shafizan Jaibee, Fariza Mohamad, Saifulnizan Jamian, Yokoyama Seiji, Sia Chee Kiong, Abd Khalil Abd Rahim
The main step in hydrometallurgical processes are consist of a series of acid or caustic leaching of solid material, which typically requires a small grain size to increase the yield of metals [21].
Sareen, E­waste Assessment Methodology and Validation in India, Journal of Material Cycles and Waste Management, Volume 8, Number 1/March. (2006) [17] H.
Online since: January 2020
Authors: Elijah A. Alhassan, Clinton Okonkwo, Muritala O. Iyanda, Christian O. Osueke
Hardness, deformation at hardness and fracturability of the seed were some of the mechanical properties used for the design of blades, number, length and thickness of blades, and shaft diameter [18].
This was folded in the shape that allows the shelled grains to be collected after shelling. 2.5.
Online since: October 2011
Authors: Li Xin Bao, Fei Yu Wang
Other have active ( latent hydration) material, melt such as grain, the slag powder of blast furnace and valcano grey matter powder etc. can be also used as inorganic combination material.
Besides, gel material content can still cause cement content to increase too much, the alkali number of hydration reaction generation thing can also increase , from this disadvantage fight soda gather material reaction.
Online since: October 2013
Authors: Salvo Mirabella, Salvo Cosentino, Antonio Terrasi
In fact, despite a number of experimental works had dealt with this topic, contrasting results have been often published, probably because each work used a different recipe for the NCs synthesis (rf-glow-discharge or plasma-enhanced or inductively-coupled-plasma chemical vapor deposition, cluster beam deposition, magnetron sputtering or co-sputtering, Si implantation in SiO2). [28-36] The observed shift towards lower energies of the absorption edge of Si NCs, when increasing the Si content, has been attributed to a reduction of the NC energy bandgap due to a lower confinement effect [28-32].
For temperatures below 700°C, the structure presents columnar domains of c-Si (20-200 nm large) at O/Si ratio smaller than 0.05, while for O/Si ratio larger than 0.10 Si grains embedded in SiO2 appear with size in the order of 4 nm, and with an amorphous structure.
Online since: October 2025
Authors: Jacob Mayowa Owoyemi, Chinwuba Arum, Olurotimi Olusegun Ekundayo
This method is of very prohibitive cost, irreversibly wasteful as a specimen can only be destroyed once, implying that a high number of specimens would be irreversibly destroyed to accurately characterize the strength distribution.
Furthermore, because wood is anisotropic, the load path in relation to the wood grain affects the strength.
Online since: January 2026
Authors: Andrii Shumov, Oleh Dmytruk, Mykhailo Voita, Yurii Hanzha, Andrii Sudakov
Darcy’s law assumes a linear relationship between flow and pressure drop, which is valid for low Reynolds number flows but fails to account for inertial or turbulent effects at higher velocities.
Rahimi, Developing a porosity-permeability relationship for ellipsoidal grains: A correction shape factor for Kozeny-Carman's equation, J.
Online since: June 2019
Authors: R. Möckel, M. Schreiner, M. Klinger, M. Radtke, B. Meyer, S. Guhl, A. Renno, Jose Godinho, R. Gloaguen, Jens Gutzmer, Ursula E.A. Fittschen
Numbers indicate the main reflexes of the different phases (11 is platinum from the heating strip).
Particularly for the characterization of slags, CT is especially interesting because it allows to visualize the distribution of valuable particles (i.e. particles with valuable elements) and their association, grain size distribution, liberation etc in 3D.
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