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Online since: June 2014
Authors: Luis Henrique Leme Louro, Alaelson Vieira Gomes, Carlos Frederico de Matos Chagas, Willian Trindade
The transmission spectra were obtained with 4 cm-1 resolution, 6 scans by test, and then processed in a Perkin Elmer data management, Spectrum Express model.
Comparing the TGA results from Figures 2 and 3, a reduction in the beginning temperature of the binder mass loss can be observed, as shown in the Table 1.
This promoted a size reduction in the macromolecules chains leading to an increase of mobility as well as more efficient heat transport, favoring the thermal degradation [4].
Comparing the TGA results from Figures 2 and 3, a reduction in the beginning temperature of the binder mass loss can be observed, as shown in the Table 1.
This promoted a size reduction in the macromolecules chains leading to an increase of mobility as well as more efficient heat transport, favoring the thermal degradation [4].
Online since: January 2012
Authors: Jun Tao Wang, Hui Xiao
The consequences can range from errors of internal system data to effects on system operation.
Water can be finely atomized and widely diffused to achieve reduction of dust and purification of wind.
With appraisal by the relative authorities, this device gets a good effect with average 92.7%dust reduction.
Water can be finely atomized and widely diffused to achieve reduction of dust and purification of wind.
With appraisal by the relative authorities, this device gets a good effect with average 92.7%dust reduction.
Online since: December 2014
Authors: Lu Dai, Xu Hu, Quan Zhang, Yuan Sheng Lin
When the technology of noise reduction and vibration isolation for the pipes in the system goes ahead on a better level, the noise and vibration problem of the pumps are getting more and more obvious while the pumps are under work.
Relationship between unsteady flow, pressure fluctuation, and noise in a centrifugal pump—Part A: use of PIV data to compute the pressure field [J].
Pumping Plant Noise Reduction [J].
Relationship between unsteady flow, pressure fluctuation, and noise in a centrifugal pump—Part A: use of PIV data to compute the pressure field [J].
Pumping Plant Noise Reduction [J].
Online since: October 2018
Authors: A.M. Rekov
The image scale was magnified by 15-20 times allowing the reduction of a relative error magnitude at measuring the dimensions of cell sides of the grid.
The relative number of grains with a strain, which is half times more than the average one, increases in a nonlinear way along with a higher reduction rate of the sample (Table 1).
After that according to table data we built a histogram of two-dimensional distribution function (Fig. 1a).
The relative number of grains with a strain, which is half times more than the average one, increases in a nonlinear way along with a higher reduction rate of the sample (Table 1).
After that according to table data we built a histogram of two-dimensional distribution function (Fig. 1a).
Online since: May 2013
Authors: Kang Guk Lee, Won Duck Seo
Introduction
The need for environment-friendly construction in response to global environmental changes and the reduction of greenhouse gas discharge have been increasing ever more.
Application method of an intelligent façade interactive design for the environment-friendly building This is the system for the user to input the data or instruction directly.
These acquire the cooling and heating energy inside and lighting reduction effect to work as an important factor on the external design of the entire building structure.
Application method of an intelligent façade interactive design for the environment-friendly building This is the system for the user to input the data or instruction directly.
These acquire the cooling and heating energy inside and lighting reduction effect to work as an important factor on the external design of the entire building structure.
Online since: October 2007
Authors: Jong Gu Bae, Yo Sep Yang, Chan Gyung Park
(mmφ)
F.W
(mmφ)
True strain
(ε) Rolling Bluing (°C)
Tensile strength
(σTS, MPa)
Fatigue resistance
(σFL, MPa)
A-1 without
3992
1220
A-2
1.68 0.27 3.69 with
3990 1250
B-1 As-drawn
4459
1310
B-2 100
4647
1350
B-3 200
4651
1380
B-4
1.41 0.18 4.12
300 4519 1390
Results & Discussion
Optimization of measurement and data analyses
Figure 1 exhibits the total procedures to obtain the values of residual stress in thin-sized steel
wires.
Thus, it is concluded that rolling treatment is effective way to improve the fatigue resistance without any reduction of strength.
It is concluded that degraded residual stress improved the mechanical properties, especially fatigue resistance due to reduction of the locally concentrated stress.
Thus, it is concluded that rolling treatment is effective way to improve the fatigue resistance without any reduction of strength.
It is concluded that degraded residual stress improved the mechanical properties, especially fatigue resistance due to reduction of the locally concentrated stress.
Online since: December 2006
Authors: Kazuo Arakawa, Tetsuo Takayama, Mitsugu Todo
Load-displacement relations were obtained from the experimental data, and Jin and Jf were
calculated using the following formulae:
� � � � � � � � � � � �
)( aWB U
J
in
in
−
=
η
and
)( aWB U
J
f
f
−
= � � � � (1)
where Uin and Uf are the critical energy at crack initiation and the total energy�dissipated until
complete fracture, respectively.
These voids cause local stress concentration in the surrounding regions, resulting in the reduction of the initiation toughness.
Those kinds of voids dramatically decrease due to the LTI addition (Fig.4(b) and (d)), as a result of the reduction of PCL spherulites formation corresponding to the improvement of immiscibility between PLA and PCL.
These voids cause local stress concentration in the surrounding regions, resulting in the reduction of the initiation toughness.
Those kinds of voids dramatically decrease due to the LTI addition (Fig.4(b) and (d)), as a result of the reduction of PCL spherulites formation corresponding to the improvement of immiscibility between PLA and PCL.
Online since: April 2005
Authors: Simon Y.M. Chooi, Christopher Lim, Zainab Ismail, Felicia Goh, Vincent Sih
XPS
experiments were performed on a VG Escalab 220I-XL spectrometer and the data was acquired
using a probe beam of focused monochromatic Al Kα radiation.
Defect reduction can also be achieved by implementation of megasonics during DI water rinsing.
Defect Reduction Techniques.
Defect reduction can also be achieved by implementation of megasonics during DI water rinsing.
Defect Reduction Techniques.
Eddy Current Method for Testing of Metals under Simultaneous Exposure to Radiation and Hydrogenation
Online since: January 2015
Authors: Andrey M. Lider, Yurii S. Bordulev, Vitalii V. Larionov
Results and discussion
Increase of the sample's temperature in vacuum leads to reduction of peaks’ intensity that correspond to (100)TiH2 and (110)TiH2 titanium dihydride on XRD patterns (fig. 1) [8].
Reaching the temperature of about 200 °С leads to reduction of titanium dihydride peaks, the temperature of about 600 °С leads to a complete decomposition of all hydrogenous phases.
Eddy current sensor data that correspond to such conditions are presented in fig. 2 and 3.
Reaching the temperature of about 200 °С leads to reduction of titanium dihydride peaks, the temperature of about 600 °С leads to a complete decomposition of all hydrogenous phases.
Eddy current sensor data that correspond to such conditions are presented in fig. 2 and 3.