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Online since: April 2010
Authors: Ali Shokuhfar, Mehrdad Vahdati, E. Sadeghinia
By increasing the percent of abrasive particles especially when the size ratio is high, a reduction in surface roughness is observed.
According to data the most material removal is observed when 40% of MAP is consisted of abrasive particles.
The reduction in surface roughness and material removal was visible with a lubricant volume higher than 1 ml.
Work piece hardness Consideration of experiment data and the P-values indicate that the work piece hardness has no large effect on results.
Online since: January 2007
Authors: Byong Sun Chun, Take-Soo Kim
These data were used to determine carrier concentration, carrier mobility and the thermoelectric figure of merit.
However, sintering at 550oC induced the reduction, corresponding to the melting of the compound, which begins between 550oC and 600 oC [9].
RH reduction with increasing both the temperature and CdCl2 in quantity may correspond to the carrier concentration increment in the n-type thermoelectric materials.
The thermoelectric figure of merit(Z) derived from the thermoelectric measurement data plotted with sintering temperatures and CdCl2 quantities was measured to be maximum of 2.15×10-3/K at 500 oC in case of 0.03wt.% CdCl2 addition (Fig. 5).
Online since: January 2007
Authors: Xi Peng Xu, Yuan Li, Q.L. Han
With increasingly extensive use of natural granite as a substitute for construction and decoration material, there is a great demand on the reduction of production cost in sawing.
It can be easily understood that a reduction of blade width should be the best solution to reduce the production of swarfs [1].
Based on the calculated data in Fig.4, the ratio of tangential force component in thin blade sawing to that in normal blade sawing at Vs of 30m/s fell from 1.49 to 1.27 with depth of cut, but the corresponding ratio of normal force ratio rose from 1.29 to 1.32.
The real reason for the ratio of specific energy was that the decrement of consumed power (the ratio of consumed power for thin and normal blades was more than 0.63, which was calculated based on the data in Fig.3) was larger than that of the width of saw blade (the ratio of width of saw blade for thin and normal blades was about 0.47) when translating of sawing from normal blade to thin blade.
Online since: November 2011
Authors: Bin Yang, Neng Huang
In addition, LaOx have not full electron fill in 4f inner shell, it was found after be injected La in catalyst that cathode not only had better oxygen reduction activities, but also could reduce solubility of catalytic phase [2].
In addition, made use of Eq. (4), we also took data charting about cathode hydrogen evolution polarization value and calculation of i0 in these samples respectively, △E was changed from -0.04V to -0.005V, and these results in balance value were shown in Table 2.
In addition, La3+ content in membrane electrode surface would be rising along with magnified flow of O2 in manufacturing process, it would afford better oxygen reduction capacity in cathode [2].
Therefore, via comprehensive comparison about these data, it would be found that F-4 sample had best hydrogen evolution properties (i0: 4.562mA·cm-2), lower energy consumption (Ed: -0.223V vs SCE) and highest cost performance (ESA: 46.2811m2·g-1).
Online since: August 2015
Authors: Candra Kurniawan, Ruth Mentari Hutahaean, Muljadi Muljadi
This data give positive expectation of aging step which resulted higher sample density in the time aging of 4 h with the value of 5.846 g/cm3.
The pictures also displayed that the bonding effect of low vacuum cured sample was showed more tight adhesion of particles than the atmospheric one which deals with the sample density data as seen in Fig. 3a.
Compared with the atmospheric cured SEM images seen in Fig. 4a showed that the less tight and lower density value of the sample were correlated with reduction of coated surface of particles with bonding agent after exposed in longer aging time.
The reduction of oxygen content from the curing environment also showed a tighter particle bonding in low vacuum cured samples which gives a better density thus enhanced the magnetic properties of the bonded Pr-Fe-B magnets.
Online since: August 2013
Authors: Fu Zhong Wu, Hui Xin Jin, Cheng Tao Gao, Shou Hua Dou
Choose testing base period data for the benchmark date; Choose environment average temperature as the fiducial temperature.
Energy balance calculation Based on above calculation parameters and the research data, the paper conducts heat balance calculation for a factory deoxidization-distillation process with titanium sponge combination production technology.
Molten salt electrolysis is a new technology of titanium sponge, especially TiO2 direct electrochemical reduction.
It simplified the process and equipment by direct electrochemical reduction, shortened cycle time and reduced energy consumption.
Online since: August 2015
Authors: Elumalai Natarajan, Dhass Avithi Desappan, Lakshmi Ponnusamy
Hence, the overall performance of PV panel will increase with reduction in humidity level [1].
These data produces a relative error less than 4% [2].
This is suitable for certain level of relative humidity reduction, but when the relative humidity was further reduced to 29%, the corresponding PV cell efficiency was decreased to 2.37% [6].
The experimental data was measured in December 2013, and January 2014.
Online since: October 2015
Authors: Cornelia Florentina Dobrescu
The soil compaction process, manifested in the reduction of pore volume, leads to an increase in its bearing capacity and to partial reduction of compaction [8].
Assessment of dynamic response of the vibrating roller - stabilized soil The experimental data used for the study case with a vibratory system characterized by the following technological parameters: , , , it have been considered a discrete variation of soil stiffness for different layers, k, ranging from up to for different successive passes (), while the excitation frequency or pulsation, , ranging from 50-500 rad/s.
Dissipated energy curves of variation depending on the pulsation and different k values Based on data processing and analysis, it can be concluded that the dynamic response during compaction process is determined by perturbation force through the influence of continuous excitation variation ranging from 50-500 rad/s, on one hand, and discrete variation of soil stiffness as an effect of passes number performed in the same layer, on the other hand.
Online since: April 2015
Authors: Heidemarie Schmidt, Oliver G. Schmidt, Daniel Blaschke, Danilo Bürger, Agnieszka Bogusz
Recently, the triple phase boundary (TPB) located at the contact point of oxide, electrode and ambient atmosphere, has been indicated as the only place of the localized reduction and release of oxygen during both, electroforming and filamentary RS [6].
Results and Discussion According to the obtained XRD data and SEM images (Fig. 1. b), the as-grown YMO film is of nanocrystalline, hexagonal phase (International Centre for Diffraction Data, JCPDF 25-1079).
It is expected that the nanoscale reduction concerns the B-site cations, however it remains unclear whether it involves possibly present Mn4+ or Mn3+, or both.
Online since: August 2015
Authors: Luiz Teruo Kawamoto, Alexandre Formigoni, Ivan Pérsio de Arruda Campos, Enio Fernandes Rodrigues, Waltraudi Orchulhak Kawamoto, Silvia Cristina Martini Rodrigues
The advantages of having medical images in the digital format are: the good resolution; to be able to quickly find and make them instantly available to the physician, enabling the comparison with other images of the patient; ease in the process of details enhancement; risk reduction of image loss or damage over time; possibility to make copies without much quality loss; editing and publishing quickly and with a low cost, either in digital or printed media [6-11] because analog x-ray film uses silver in the composition [12].
At each stage of the simulator it was performed the acquisition of 5 random points and their average calculated, after obtaining the average of the points of the analog and digital images it was applied a data normalization technique which allowed the generation of graphics of each procedure.
An ANOVA (1 criterion) statistic test, Fisher test, was conduct in the results to compare more than two samples whose data must be measured in “in-between” journey.
Conclusion In addition to the advantages of having medical images in the digital format listed in the references such as: better resolution; quickly find and make them instantly available to the physician, enabling the comparison with other images of the patient; ease in the process of enhancement details; risk reduction of image loss or damage over time; possibility to make copies without much quality loss; editing and publishing quickly and low cost [6-11], this research shows that digital images have better spatial resolution and better contrast.
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