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Online since: November 2013
Authors: Ye Gao, Ya Hui Zhang, Guang Zun Ouyang
Table 4 The variance analysis results
Source of Variation
Deviation
Square
Degree of
Freedom
Mean
Square
F
Critical
Value
Significance
A
3.08
2
1.54
62.89791
F0.01(2,2)=99
**
B
0.40
2
0.20
8.07441
F0.05(2,2)=19
C
1.74
2
0.87
35.53358
F0.1(2,2)=9
**
Error
0.05
2
0.02
Sum of Squares
5.2654
8
The variance results shows that dispersion of dosage of the starch and sodium oleate is larger, that means experimental result data has a lot difference and is disperse, significance analysis: F0.05(2, 2) < 35.53 < F0.01 (2, 2), F0.05 (2, 2) < 62.90 < F0.01 (2, 2).
The Interaction analysis results shown as figure 4, figure 5, figure 6 : Figure 4 The interaction of lime and starch Figure 5 The interaction of collector and starch Figure 6 The interaction of lime and collector From quadratic sum of the deviation, the experiment dosage of starch is far more than the other two datas, which shows selected experimental point of the starch’s dosage is unreasonable.
R value of the starch is also the biggest, that is to say starch influences most on the results, when the experiment uses too much starch, the indicator is not well based on the experiment data. only a set of data is better because of adding more the corresponding sodium oleate . flotation reagents increases flotation costs, the group experiment is not desirable, so give priority to consider the influence of collector single factors ion the flotation results, dosage of starch is 1000 g/t, when lime dosage is 2000 g/t ,change collector dosage, the experimental results are shown in figure 7.
Research of He Zhang Guizhou Oolitic Hematite Direct Reduction and Magnetic Separation, Metal Mine,NO.11(1997),P13-16.
The Interaction analysis results shown as figure 4, figure 5, figure 6 : Figure 4 The interaction of lime and starch Figure 5 The interaction of collector and starch Figure 6 The interaction of lime and collector From quadratic sum of the deviation, the experiment dosage of starch is far more than the other two datas, which shows selected experimental point of the starch’s dosage is unreasonable.
R value of the starch is also the biggest, that is to say starch influences most on the results, when the experiment uses too much starch, the indicator is not well based on the experiment data. only a set of data is better because of adding more the corresponding sodium oleate . flotation reagents increases flotation costs, the group experiment is not desirable, so give priority to consider the influence of collector single factors ion the flotation results, dosage of starch is 1000 g/t, when lime dosage is 2000 g/t ,change collector dosage, the experimental results are shown in figure 7.
Research of He Zhang Guizhou Oolitic Hematite Direct Reduction and Magnetic Separation, Metal Mine,NO.11(1997),P13-16.
Online since: October 2013
Authors: Can Cui, Rong Bin Li
Fig.1 Thermocouple specimen
(2) Experimental system and device
Diagrammatic sketch of grinding temperature measurement platform is shown in Fig.2.
1-Grinding machine workbench 2-Fixture 3-The first half of workpiece 4-The first cellulose tape 5-The first lame 6- Grinding wheel 7-The second cellulose tape 8-The second lame 9- The third cellulose tape 10-The second half of workpiece 11-The first lead wire 12- The first signal amplifier 13-Computer 14-Data acquisition system 15-The second signal amplifier 16-The second lead wire 17-Ergometer
Fig.2 Diagrammatic sketch of grinding temperature measurement platform
Straight surface grinding experiments were conducted on a CNC high-speed surface grinder using an alumina grinding wheel of diameter ds=180mm and width bs=6mm.The workpiece was 45# steel 18mm along the grinding direction,30mm wide, and initially 50mm high.The data acquisition system consisted of NI USB-6210 type data acquisition card, LabVIEW and three-way dynamic piezoelectric
(2)After destroying the integrity of the workpiece by thermocouples, thermocouples and air were sandwiched between two halves of the workpiece,which caused a certain reduction of the overall thermal conductivity,k and density,ρ and a certain degree of error of specific heat capacity,c
Here we take one set of datas,Vs=2200r/min,Vw=10m/min,ap=8μm for analysis.Researches were done by varying the influencing factors above to observe changes of theoretical temperature curves: (1)When the grinding heat flux, qw decreased by 5%,changes were shown in Fig.6.
(2)After destroying the integrity of the workpiece by thermocouples, thermocouples and air were sandwiched between two halves of the workpiece,which caused a certain reduction of the overall thermal conductivity,k and density,ρ and a certain degree of error of specific heat capacity,c
Here we take one set of datas,Vs=2200r/min,Vw=10m/min,ap=8μm for analysis.Researches were done by varying the influencing factors above to observe changes of theoretical temperature curves: (1)When the grinding heat flux, qw decreased by 5%,changes were shown in Fig.6.
Online since: June 2023
Authors: Ulrike Grossner, Thomas Ziemann, Roger Stark, Alexander Tsibizov, Salvatore Race, Ivana Kovacevic-Badstuebner
This work presents a novel approach for the determination of the temperature dependence of SiC power MOSFET’s channel and drift resistance components in the on-state, which are extracted based on current-voltage (I-V) and capacitance-voltage (C-V) measurements without the need of data extrapolation.
The extrapolated values of Vth(T), based on the Id-Vgs characteristics as shown in Fig. 2, are listed in Tab. 2 and show a reduction of Vth with increasing temperature.
The extrapolated values of Vth(T), based on the Id-Vgs characteristics as shown in Fig. 2, are listed in Tab. 2 and show a reduction of Vth with increasing temperature.
Online since: August 2014
Authors: Xi Xi He, Ye Lin
Characteristics of compressive stress-strain curve were analyzed by utilizing test data of 15 specimens with 100% filling rate of grouted concrete.
Instead of applying traditional mortar to bond neighboring blocks by utilizing its interlock system to establish walls, mortar-free masonry shares merits in fast construction[[] Vander Werf, P.A. , Mortarless Block Systems, Masonry Construction, February 1999 ], material saving, cost reduction and low specialty depending.
Instead of applying traditional mortar to bond neighboring blocks by utilizing its interlock system to establish walls, mortar-free masonry shares merits in fast construction[[] Vander Werf, P.A. , Mortarless Block Systems, Masonry Construction, February 1999 ], material saving, cost reduction and low specialty depending.
Online since: June 2014
Authors: Ying Li
In this paper the author analysis the statistics data and expound the status of the dual economy of China based on comparing the comparative labor productivity, dual comparative index and dual contrast index.
For a long time, China's service industry lags behind, the outstanding performance of irrational industrial structure, the reason is the large proportion of the rural population, with the increase in the proportion of the urban population, the population will increase the demand for services, thus promoting economic development in addition with the reduction of the agricultural population, farmers will have more land, agricultural mechanization and modernization also will go the way of consumer demand in rural areas will be improved, which is the main driving force of economic development.
For a long time, China's service industry lags behind, the outstanding performance of irrational industrial structure, the reason is the large proportion of the rural population, with the increase in the proportion of the urban population, the population will increase the demand for services, thus promoting economic development in addition with the reduction of the agricultural population, farmers will have more land, agricultural mechanization and modernization also will go the way of consumer demand in rural areas will be improved, which is the main driving force of economic development.
Online since: April 2021
Authors: Harekrishna Bar
Gold nanoparticles have been successfully synthesized using aqueous leaf extract of Piper betle In this extracellular synthesis, after exposing of metal ions to betel leaf extract, reduction leads into their metallic state and these are stabilized by the biomolecules present in leaf extract, where extract are being used as both reducing as well as stabilizing agents at ambient condition.
With the reference of standard diffraction data of JCPDS–ICDD 1999, it confirmed the face centered cubic structures of synthesized gold nanoparticles.
There is also a strong signal for Cu in the EDX data, which has come from Cu TEM grid.
The shifting of the bands 1627 to 1610 cm-1, 1394 to 1382 cm-1 and 1075 to 1072 cm-1 signifies the involvement of the functional groups in reduction procedure and stabilization.
With the reference of standard diffraction data of JCPDS–ICDD 1999, it confirmed the face centered cubic structures of synthesized gold nanoparticles.
There is also a strong signal for Cu in the EDX data, which has come from Cu TEM grid.
The shifting of the bands 1627 to 1610 cm-1, 1394 to 1382 cm-1 and 1075 to 1072 cm-1 signifies the involvement of the functional groups in reduction procedure and stabilization.
Online since: January 2016
Authors: Ardeshir Mahdavi, Vaibhav Jain
However, it can also be used during building operation phase by providing relevant data to building automation systems.
We refer to monitoring and metering data generated by computational simulation (virtual) models as data from virtual sensors.
Thus, capability to automatically update simulation model's boundary conditions in real-time using monitored data is required.
As mentioned before, we refer to monitoring and metering data generated by computational simulation (virtual) models as data from virtual sensors.
The measured illuminance data was then compared with simulated illuminance data.
We refer to monitoring and metering data generated by computational simulation (virtual) models as data from virtual sensors.
Thus, capability to automatically update simulation model's boundary conditions in real-time using monitored data is required.
As mentioned before, we refer to monitoring and metering data generated by computational simulation (virtual) models as data from virtual sensors.
The measured illuminance data was then compared with simulated illuminance data.
Online since: October 2023
Authors: M. Jothibas, T. Meganathan, P. Arivazhagan, P. Arunkumar, B. Arunkumar
To synchronize with the microcontroller, the each and every deposition data has simultaneously saved in personal computer.
Similarly, the Full Width Half-Maximum are conversely increased with reduction of crystallite size [27].
The data integrity and Bragg's fitting were evaluated by comparing between theoretical and experimental X-ray diffraction peaks thin film materials.
Availability of data and material: Not applicable Code availability: Not applicable Author Contributions: M.
Jothibas: Methodology,Writing - Original Draft Preparation B.Arunkumar: Project Administration, Writing - Original Draft Preparation T.Meganathan: Data curation P.Arivazhagan: Supervision P.Arunkumar: Conceptualization References [1] C.
Similarly, the Full Width Half-Maximum are conversely increased with reduction of crystallite size [27].
The data integrity and Bragg's fitting were evaluated by comparing between theoretical and experimental X-ray diffraction peaks thin film materials.
Availability of data and material: Not applicable Code availability: Not applicable Author Contributions: M.
Jothibas: Methodology,Writing - Original Draft Preparation B.Arunkumar: Project Administration, Writing - Original Draft Preparation T.Meganathan: Data curation P.Arivazhagan: Supervision P.Arunkumar: Conceptualization References [1] C.
Online since: June 2021
Authors: Yun Fei Ding, Yun Chao Zhao, Yan Deng
An Agilent 34972A Data Collector was used to automatically record the temperature every 30 s.
To run the simulation, the models were designed for an ideal-load HVAC system, and the weather file, as an input, was downloaded from the International Weather for Energy Calculations data for Guangzhou.
According to the experimental data, the PCMT cell and ceramic tile cell had different heating/rising rates, and the heating/rising rate of PCMT was lower than that of the ceramic tile during the heating/rising process.
The data onto Table 2 show that the PCMT possesses the ability to effectively delay the heat transfer.
Yang, Energy performance of building envelopes integrated with phase change materials for cooling load reduction in tropical Singapore, Appl.
To run the simulation, the models were designed for an ideal-load HVAC system, and the weather file, as an input, was downloaded from the International Weather for Energy Calculations data for Guangzhou.
According to the experimental data, the PCMT cell and ceramic tile cell had different heating/rising rates, and the heating/rising rate of PCMT was lower than that of the ceramic tile during the heating/rising process.
The data onto Table 2 show that the PCMT possesses the ability to effectively delay the heat transfer.
Yang, Energy performance of building envelopes integrated with phase change materials for cooling load reduction in tropical Singapore, Appl.
Online since: August 2014
Authors: Theodoros Tsiboukis, Nikolaos Kantartzis, Tadao Ohtani, Yasushi Kanai
Numerical results, compared with measurement data, verify the assets of the proposed technique via the study of various fabric/epoxy devices with nanocomposite media.
Also, spatial derivatives are evaluated by a robust error-reduction scheme with optimal coefficients.
The nanocomposite layer, utilized as a laminate atop the backing layers, is fabricated by nanoscale dA air layer bi-isotropic d dB dC dG gap pyramids mounting hole CNT layer ferrite tiles 0.1 1 10 Frequency (GHz) LOD-FDTD (1.15; λ/50) LOD-FDTD (1.28; λ/70) Proposed (21; 142×148×186) Proposed (25; 144×146×178) Measurement data [3] Reflectivity (dB) 0 -10 -20 -30 -40 -50 -60 -70 (a) (b) (c) Fig. 7.
Numerical simulations and comparisons with reference/measurement data, for a variety of involved devices, validate the promising accuracy, stability, and convergence of the proposed formulation.
Also, spatial derivatives are evaluated by a robust error-reduction scheme with optimal coefficients.
The nanocomposite layer, utilized as a laminate atop the backing layers, is fabricated by nanoscale dA air layer bi-isotropic d dB dC dG gap pyramids mounting hole CNT layer ferrite tiles 0.1 1 10 Frequency (GHz) LOD-FDTD (1.15; λ/50) LOD-FDTD (1.28; λ/70) Proposed (21; 142×148×186) Proposed (25; 144×146×178) Measurement data [3] Reflectivity (dB) 0 -10 -20 -30 -40 -50 -60 -70 (a) (b) (c) Fig. 7.
Numerical simulations and comparisons with reference/measurement data, for a variety of involved devices, validate the promising accuracy, stability, and convergence of the proposed formulation.