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Online since: July 2020
Authors: Nurul Izzati Abd Malek, Ismariza Ismail, Nafisah Osman
This approach is used to produce ultrafine cathode particles which are desirable to the increase the active site for oxygen reduction reaction [1, 2].
Reducing the particle size will increases the surface area of the LSCF/f-CNTs and resulted in a high oxygen reduction reaction.
These data confirmed that the chelating agent, dispersing agent and polymerizing agent have been completely decomposed through the calcination process and the formation of LaSrCoFeO3 phase is expected.
These results are in-line to the density data obtained from the pycnometer.
The data from pycnometer and particle size analyzer confirmed the optimum amount of 4 mg f-CNTs increased LSCF density to 2.8777 g/cm3 and effectively reduced the particle size to ~38 nm.
Online since: October 2012
Authors: Hai Dong Chen, Wei Gan, Long Jun He, An Rui He
Fig. 1 shows Relations between the angle of inclination and reduction of upper straightening roller and each roller.
Fig. 1 Relations between the angle of inclination and reduction of upper straightening roller and each roller In Fig. 1, yup represents the total intermesh of the upper barrel, yi signifies the intermesh of the individual, a means angle of upper barrels rotating the center of roller leveler, β indicates intermesh based on angle that is formed according to line proportional relation, t is the distance of barrel, that is: tanα=(y2-y10)/4t=(y3-y9)/4t (1) yup=y10+2t·tanβ (2) y2=yup+2t·tanβ (3) a=β is the result from above three equations.
Based on data, tilting angle a=0.068, and actual intermesh y1a=0.273mm of the first barrel can be obtained from the determination of intermesh.
Enter straightening force of the tilting machine is 586.17kN, but the opposite is 712.63kN from the data came from the factory, which the straightening force decreased by 17.7 percentage.
(2) Analysis between actual calculation and data from the factory which verifies the validation of the building three dimensional dynamic finite element model.
Online since: December 2014
Authors: Zi Lin Wang, Nian You Chen, Xing Yuan Li, Yu Bi, Hui De Yang, Liang Bin Yu, Tao Ying Zhou
Data are expressed as means ± SD.
In this study, the data showed that the PABM could improve the body weight loss of diabetic mice to a significant extent, and which might be related to enhanced glucose metabolism and reduced hyperglycaemia.
Alloxan causes a massive reduction in insulin release by the destruction of β-cells of the pancreas, thereby inducing hyperglycaemia.
As shown in Fig. 2B, TC, TG and LDL-C levels of DM groups were significantly higher than that of the NC group (P < 0.05), while TC, TG and LDL-C levels of the DPC, DLP, DMP, and DHP groups showed the significant reduction in comparison with that of DC group (P < 0.05).
In this study, the data showed that the PABM could decrease the TC, TG and LDL-C levels, as well as increase HDL-C levels in alloxan-induced DM mice.
Online since: February 2014
Authors: Ismail Daut, Muhd Hafizi, Surya Hardi, Ismail Rohana
Voltage sag causes also a reduction in torque in proportion to the square of the terminal voltage magnitude.
A Digital tachometer RS 232 out-put as data logger was used to measure the rotation of the shaft on the induction motor.
Specification of the available motors data are given in their name plate as in Table 1.
The motors data used in testing No.
Motor speed reduction depends on how long the end of voltage sag and how the depths of voltage sag are.
Online since: January 2012
Authors: Xiang Dong Hu, Bing Yi Ji
A calculation example of a cross-passage project in shield tunnel shows that the thickness and the average temperature of the frozen wall calculated by this method are very close to the in-situ monitored data.
Higher requirements are proposed for the artificial ground freezing method, such as reduction of construction time and less consumption of refrigerating.
Monitored data used in this paper come from the sensors in the temperature hole C5 at the cross-section nearest to the North Tunnel.
According to the monitored data of soil temperature and the experiment result that the freezing temperature of the soil is -2.1°C, the thickness of frozen wall is calculated for the period of the 25th to 55the day with the use of the Modified Bakholdin formula for double-row pipe freezing temperature field [8].
Online since: March 2008
Authors: Andrzej Baczmanski, Chedly Braham, Krzysztof Wierzbanowski, Wilfrid Seiler, Sebastian Wroński, Roman Wawszczak
The interpretation of experimental data was based on a fitting procedure for which the anisotropic diffraction elastic constants calculated by a self-consistent approach were used.
The anisotropy of the incompatibility stresses can be correctly predicted by the model if the experimental texture is used as the input data.
This term, characterizing the nonlinearities of the sin 2 ψ plot, is adjusted to the experimental data.
The material was examined after cold rolling (80% reduction) and then after annealing at different temperatures in the range of 50 0C - 450 0C.
Online since: January 2012
Authors: A.K. Mukhopadhyay
Reductions in Fe, Si and Mn impurities in 7xxx series Al alloys have further proven beneficial in obtaining continuous hard anodizing coating thickness in an uninterrupted single step [17].
Reductions in the quenched-in stresses by stretching are not a viable process for the forgings.
Tables 12 & 13 represent the mechanical properties and SCC data of 7449 sheets and 7055 extrusions produced at the laboratory scale and subsequently heat treated to peak aged and RRA tempers [20,29,30].
Table 12 Mechanical properties and SCC data of 5 mm thick 7449 sheets Temper 0.2%PS (MPa) UTS (MPa) %EL EC (%IACS) K1SCC (MPa m1/2) T651-L 585-601 625-635 12-13 31.0 <18 T7751-L 565-575 598-602 10-11 36.3 23 Table 13 Tensile properties of 18 mm dia 7055 extrusions Temper 0.2%PS (MPa) UTS (MPa) %El %IACS T6 725 757 13 31.0 T77 (RRA) 683 697 11 36.5 T77 (RRA) 673 685 12 37.0 Influence of Micro and Trace Alloying Elements on the Microstructure and Properties of 7xxx Series Al Alloys Figure 13.
Recrystallization data, as partitioned from the EBSD images of the alloy tested at 475°C, 1.9 × 10-2s-1 after interrupting the tensile test at elongation values of (a) 40%, (b) 100%, (c) 200%, (d) 500%, and (e) 650%, respectively.
Online since: August 2013
Authors: Hyun Woo Joh, Yoon Seok Shin, Young Do Lee, Gwang Hee Kim
Of Plant & Architectural Engineering, Kyonggi University, Suwon, Gyeonggi 443-760, Republic of Korea (Corresponding author) aghkim@kyonggi.ac.kr, bhwjoh@hmglobal.com, clyd@k1.ac.kr, dshinys@kgu.ac.kr Keywords: Retaining Wall System, Reinforced Self Supported Retaining Wall (RSW), Cost Reduction Abstract.
Acknowledgements I would like to express my gratitude to Dong-In ENG Company for their kind cooperation, and for providing me with plenty of data and encouraging my work on this study.
Online since: October 2016
Authors: Hassana Mahfoud, Abdellah El Barkany, Ahmed El Biyaali
In traditional reliability models, asset’s lifetime is assessed using unique failure time data.
However, in these previous studies, parameter estimation was obtained by using simulation data, subjective data, or a combination of subjective data and objective data, mainly because of the lack of maintenance data.
Consequently, the parameters of the DTM could be predicted based on sufficient objective data.
The proposed model (14) was simulated in Matlab using real data of two identical systems.
Jardine, “Reliability analysis of maintenance data for complex medical devices,” Qual.
Online since: September 2015
Authors: Pavel Svoboda, Karl Heinz Winter
The experimental data have been very well approximated by this model and thus it is proposed for the use in the following study.
The experimental data are rather limited because the testing of failure in compression requires extremely stiff machines which are not available at many laboratories.
The lack of experimental data leads to use of simple models of the descending branch of the stress-strain diagram.
This reduction is linearly proportional to the strain normal to the crack.
Data delocalization and verification.
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