Sort by:
Publication Type:
Open access:
Publication Date:
Periodicals:
Search results
Online since: November 2018
Authors: Hamimah Abdul Rahman, Sufizar Ahmad, Andanastuti Muchtar, Siti Fairus Mohammad, Khalid Saluiman Abdallah
It also, exhibits extraordinary electronic conductivity compared to barium strontium cobalt ferrite (BSCF) that reveals a good catalysis for oxygen reduction and is particularly compatible with the ceria carbonate based electrolytes [9,10].
This discovery will promoting on increased of surface area and enlarged the TPB area for oxygen reduction reaction to occur in the cathode [20].
The agglomerates size of SSC5:SDCc5 also dramatically affected the porosity value of the composite cathode pellet, such that the increased size of the agglomerations with calcination temperatures content significantly reduced the porosity and hence increase the pellet densification as from data collected presented in Table 3.
A composite oxygen-reduction electrode composed of SrSc0.2Co0.8O3−δ perovskite and Sm0.2Ce0.8O1.9 for an intermediate-temperature solid-oxide fuel cell.
This discovery will promoting on increased of surface area and enlarged the TPB area for oxygen reduction reaction to occur in the cathode [20].
The agglomerates size of SSC5:SDCc5 also dramatically affected the porosity value of the composite cathode pellet, such that the increased size of the agglomerations with calcination temperatures content significantly reduced the porosity and hence increase the pellet densification as from data collected presented in Table 3.
A composite oxygen-reduction electrode composed of SrSc0.2Co0.8O3−δ perovskite and Sm0.2Ce0.8O1.9 for an intermediate-temperature solid-oxide fuel cell.
Online since: March 2016
Authors: Muhamad Kamil Yaakob, M.Z.A. Yahya, Mohamad Fariz Mohamad Taib, N.H. Hussin, Mohd Hazrie Samat, A.M.M. Ali, Siti Sumaiyah Sheikh Abdul Aziz, Noor Syafiqah Samsi
The reduction of band gap calculated from GGA-PBEsol is about 1.72 eV while the reduction of the experimental band gap is about 0.55 eV.
The reduction of energy gap can shift the optical absorption into the longer wavelength region due to the receiving of more photons in Nd-doped TiO2.
At the same time, the theoretical results provide useful data to explain the improvement of DSSC efficiency as reported from experimental study.
The reduction of energy gap can shift the optical absorption into the longer wavelength region due to the receiving of more photons in Nd-doped TiO2.
At the same time, the theoretical results provide useful data to explain the improvement of DSSC efficiency as reported from experimental study.
Online since: July 2015
Authors: Klaus Dilger, Anselm Tobias Bochtler, Christian Knappe
Fig. 3 shows that the adherend mass increases by about 1 wt% at climate ISO 1110 and by about 2.4 wt% in climate DIN EN ISO 6270-2 .These data show the moisture content of the whole composite as volume moisture.
For both pretreatment methods the adherend mass reduction during treatment time was recorded.
This adherend mass reduction is an indicator for the intended surface drying process.
A further increase of starting reactions induces a reduction of chain length of the polymerization adhesive.
For both pretreatment methods the adherend mass reduction during treatment time was recorded.
This adherend mass reduction is an indicator for the intended surface drying process.
A further increase of starting reactions induces a reduction of chain length of the polymerization adhesive.
Online since: September 2017
Authors: Liana Sanda Baltes, Mircea Horia Tierean, Alexandru Stefan Banea
The tests reveal the reduction of the grain size up to 73% and up to 5% of the porosity.
The yield strength increased with 22%, the ultimate tensile strength increased with 33%, the elongation increased with 20%, while the medium reduction of the grain size was approx. 28%.
The tests data obtained by Dybowski et al. were for AlSi7Mg sand casting alloy and offered the possibility to compare these two types of casting.
Porosity reduction involves an increase of compactness of the cast material, which can be provided by vibrated casting.
The yield strength increased with 22%, the ultimate tensile strength increased with 33%, the elongation increased with 20%, while the medium reduction of the grain size was approx. 28%.
The tests data obtained by Dybowski et al. were for AlSi7Mg sand casting alloy and offered the possibility to compare these two types of casting.
Porosity reduction involves an increase of compactness of the cast material, which can be provided by vibrated casting.
Online since: August 2011
Authors: Zhao Chen, Xiao Li Wen, Chang Le Chen
This statement is also consistent with the measured data of Fig. 1.
Moreover, the increase of the rotating frequency accelerates the motion of the liquid phase and contributes to more homogeneous of solute composition, which results in the reduction of the deviation between the average solute composition in local area and the primary solute composition of liquid phase.
RMF causes the gain refine, and therefore the reduction of the diffusion length.
Thus, RMF promotes the fluid flow, and which leads to the diffusion of the atoms in liquid solute and the reduction of the diffusion layer thickness.
Moreover, the increase of the rotating frequency accelerates the motion of the liquid phase and contributes to more homogeneous of solute composition, which results in the reduction of the deviation between the average solute composition in local area and the primary solute composition of liquid phase.
RMF causes the gain refine, and therefore the reduction of the diffusion length.
Thus, RMF promotes the fluid flow, and which leads to the diffusion of the atoms in liquid solute and the reduction of the diffusion layer thickness.
Online since: November 2012
Authors: D. Serpa, M. Barreto Santos, J. de Brito, D. Soares, António Santos Silva
Despite this reduction, the expansion presented is still high.
In the mix with glass powder as mineral addition (R-CA + 80OPC + 20GP), a greater reduction in the expansion is observed when compared with the R-CA mix, even though the expansion value still exceeds the limit of ASTM C 1567-08.
This reduction was also observed when comparing with the R-CA 20 mix, which could be due to the pozzolanicity of the GP (Table 1).
Conclusion The data presented in this paper show that there is a potential use in waste glass for cementitious materials, as aggregate or as pozzolan.
In the mix with glass powder as mineral addition (R-CA + 80OPC + 20GP), a greater reduction in the expansion is observed when compared with the R-CA mix, even though the expansion value still exceeds the limit of ASTM C 1567-08.
This reduction was also observed when comparing with the R-CA 20 mix, which could be due to the pozzolanicity of the GP (Table 1).
Conclusion The data presented in this paper show that there is a potential use in waste glass for cementitious materials, as aggregate or as pozzolan.
Online since: August 2014
Authors: Yu De Xu, Jia Yuan Tao
Adjustment scheme can be made according to static inspection data due to the small difference between dynamic irregularity and static irregularity of ballastless track [4].
The spline passes through each data point
(4) A cubic spline curve of rail surface is constructed by the inspection data on mileage (node x) and rail surface elevation (node value y) of several sleepers.
Application case Large amounts of track geometry data of ballastless track have been acquired by railway management.
The amplitude reduction of vertical wheel-rail force, lateral wheel-rail force and vehicle vertical acceleration are respectively 19.3%, 18.5% and 37.5%.
The spline passes through each data point
(4) A cubic spline curve of rail surface is constructed by the inspection data on mileage (node x) and rail surface elevation (node value y) of several sleepers.
Application case Large amounts of track geometry data of ballastless track have been acquired by railway management.
The amplitude reduction of vertical wheel-rail force, lateral wheel-rail force and vehicle vertical acceleration are respectively 19.3%, 18.5% and 37.5%.
Online since: January 2022
Authors: Ángel Enrique Chavez-Castellanos, Gerardo Sanjuan-Sanjuan
The temperature-time data were captured continuously with Thermocouple Data Longer Picolog TC-08 (three data per second).
Schematic experimental device: Furnace, Data logger, Type-K, Mechanical Stirrer and Alloy A356 stirring.
Sokolowski, Reduction of the heat treatment process for the Al-based alloys by utilization of heat from solidification process, Journal of Materials Processing Technology 176 (2006) 24-31
Schematic experimental device: Furnace, Data logger, Type-K, Mechanical Stirrer and Alloy A356 stirring.
Sokolowski, Reduction of the heat treatment process for the Al-based alloys by utilization of heat from solidification process, Journal of Materials Processing Technology 176 (2006) 24-31
Online since: May 2012
Authors: Dong Lin Bai, Li Cheng Li, Xiao Ling Yin
But in dry season from October to next February, significant reduction of the upstream flow changes it to a partially mixed estuary and attributes to the sea water intrusion to impact extensively the local water supply including that of Macau [1].
So far most achievements in related study have been made on the estuarine hydrographic characteristics [4], the influences of runoff, tide, wind and topography [5, 6, 7], spatial-temporal changes of the saline extent [8] etc., which were mainly based on observed data analysis due to the complexity and lack of thoroughly understanding of the problem.
Methodology Study Site and Data Collection.
Detailed quantitative analysis will rely on more precise and high resolution data collections.
The authors acknowledge the helpful discussions and data collections provided by the colleagues from the Ocean Center of Sun Yat-Sen University.
So far most achievements in related study have been made on the estuarine hydrographic characteristics [4], the influences of runoff, tide, wind and topography [5, 6, 7], spatial-temporal changes of the saline extent [8] etc., which were mainly based on observed data analysis due to the complexity and lack of thoroughly understanding of the problem.
Methodology Study Site and Data Collection.
Detailed quantitative analysis will rely on more precise and high resolution data collections.
The authors acknowledge the helpful discussions and data collections provided by the colleagues from the Ocean Center of Sun Yat-Sen University.
Online since: February 2014
Authors: Jian Zhong Zhang, Lei Zhao, Fei Yang
Author has designed a kind of passive sprinkler dust car underground which is able to spray water for dust reduction on the whole section of roadways and does not need to connect power and water supplies.
Dust suppression test result data with nozzle diameterat different pressures in the return airway of fully mechanized mining face in a mine is shown in Table.1below.
Table.1 Test data with a nozzle diameter Water pressure() 4() 5() 6() 7() 8() Water consumption() 5.90 6.76 7.20 8.32 8.55 Dust suppression efficiency 81% 87% 90.4% 93% 95% As shown in the table above, the higher the water pressure is, the greater the efficiency of reducing dust is at the same diameter of nozzles.
Test result data is close to the corresponding data shown in the Figure.3.
Dust suppression test result data with nozzle diameterat different pressures in the return airway of fully mechanized mining face in a mine is shown in Table.1below.
Table.1 Test data with a nozzle diameter Water pressure() 4() 5() 6() 7() 8() Water consumption() 5.90 6.76 7.20 8.32 8.55 Dust suppression efficiency 81% 87% 90.4% 93% 95% As shown in the table above, the higher the water pressure is, the greater the efficiency of reducing dust is at the same diameter of nozzles.
Test result data is close to the corresponding data shown in the Figure.3.