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Online since: September 2018
Authors: J. Bozhko, Kira Lapunova, Grigorii Kozlov
These data greatly facilitate the determination of the required humidity and pressure parameters for the production of defect-free products.
2.
Due to the wide prevalence of this type of raw materials, we can talk about a significant reduction in the cost of finished products.
Due to the wide prevalence of this type of raw materials, we can talk about a significant reduction in the cost of finished products.
Online since: March 2009
Authors: Yaroslav Koshka, Galyna Melnychuk, Hrishikesh Das
Growth at higher Rg (~5µm/hr) with HCl addition
caused an additional order of magnitude reduction of
the BPD concentration (4.4x10
3 cm-2) (Fig. 1b), thus
indicating that higher Rg as well as possibly different
effective Si/C ratio caused by HCl-induced
dissociation of the Si gas-phase clusters enhanced
BPD conversion during the growth.
ThD arrays (substrate-related) Dislocation-free at mesa-walls downstream step-flow BPD generation at mesa-walls upstream step-flow Rare BPD at mesa-walls with a small angle to step-flow 10 µm [ ]0211 Summary The previous photoluminescence and optical microscopy data indicating good quality of the halocarbon epitaxial growth at temperatures as low as 13000C [1] were supported by analysis of the dislocation concentration.
ThD arrays (substrate-related) Dislocation-free at mesa-walls downstream step-flow BPD generation at mesa-walls upstream step-flow Rare BPD at mesa-walls with a small angle to step-flow 10 µm [ ]0211 Summary The previous photoluminescence and optical microscopy data indicating good quality of the halocarbon epitaxial growth at temperatures as low as 13000C [1] were supported by analysis of the dislocation concentration.
Online since: April 2012
Authors: Sontaya Limmatvapirat, T. Sangnim, J. Nunthanid, M. Luangtana-Anan, C. Limmatvapirat
From the data obtained, it was found that the acid value of SHL noticeably decreased after heating.
However, the reduction of acid value was not explicitly observed in SHL-PHT that reacted for 6 h and 24 h (SHL-PHT6h and SHL-PHT24h).
However, the reduction of acid value was not explicitly observed in SHL-PHT that reacted for 6 h and 24 h (SHL-PHT6h and SHL-PHT24h).
Online since: May 2012
Authors: Philippe Godignon, Pierre Brosselard, Maxime Berthou, Dominique Tournier, José Millán
The small ratio difference between the design and experimental data is linked with the technology process’s uniformity (dimensions, channel length and ohmic contacts).
This slight change is due to the reduction of the channel resistance and increases of the drift resistance contribution to the VDMOS conduction mode.
This slight change is due to the reduction of the channel resistance and increases of the drift resistance contribution to the VDMOS conduction mode.
Online since: April 2011
Authors: Ho Sung Lee, Jong Hoon Yoon, Joon Tae Yoo, Yeng Moo Yi
However, during superplastic deformation, the metal will not neck because any local reduction in section leads to an increase in strain rate which in turn increases the flow stress[1].
The maximum gas pressure is 5MPa and the pressure profile can be uploaded from preset data files.
The maximum gas pressure is 5MPa and the pressure profile can be uploaded from preset data files.
Online since: February 2014
Authors: Yu Shun Li, Jing Tang, Ke Ke Xu, Yu Wen
Compared to steel and concrete, bamboo has fairly good mechanical properties, thermal insulation performance, good effect of energy conservation and emissions reduction[2].
Shear experiment results show that when the shear span ratio less than or equal to 2, composite shear damage occur, when the shear span ratio is equal to 3, damage characteristics and damage of the bending are similar, and put forward a kind of composite beam shear bearing capacity calculation method, calculated value agreed well with experimental data
Shear experiment results show that when the shear span ratio less than or equal to 2, composite shear damage occur, when the shear span ratio is equal to 3, damage characteristics and damage of the bending are similar, and put forward a kind of composite beam shear bearing capacity calculation method, calculated value agreed well with experimental data
Online since: January 2013
Authors: Sitthisak Sorlateap, Wirunya Keawwattana
As well as their uses as permanent magnets, common applications are as magnetic recording and data storage materials, and as components in electrical devices, particularly those operating at microwave/GHz frequencies [1].
The decrease of Ms after substituting more La content from x=0.20-0.40 may be due to magnetic dilution with a change of the Fe3+ (3d5 high spin) valence state to Fe2+ (3d6 low spin) state on a site by substitution of the Ba2+ sites with La3+ ions and the existence of spin canting promoting reduction of superexchange fields [4].
The decrease of Ms after substituting more La content from x=0.20-0.40 may be due to magnetic dilution with a change of the Fe3+ (3d5 high spin) valence state to Fe2+ (3d6 low spin) state on a site by substitution of the Ba2+ sites with La3+ ions and the existence of spin canting promoting reduction of superexchange fields [4].
Online since: May 2014
Authors: Yu Shu Xiong, Sheng Yi Ran
Overview of FPGA Broadband Power Amplifier Digital Pre-distortion Theory
In the broadband power amplifier module, FPGA is mainly used to complete the real-time processing of base band input signal, and realize the parallel data processing, including ADC and DAC control communication, DSP control communication and signal modulation real-time compensation and so on [3, 4].
It needs to set a threshold value, when the signal exceeds the threshold value; it needs to enter a reduction peak at this position, as shown in Figure 5.
It needs to set a threshold value, when the signal exceeds the threshold value; it needs to enter a reduction peak at this position, as shown in Figure 5.