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Online since: September 2013
Authors: Jian Sun, Xin Kuang, Sheng Ji Liu, Jian Wang
The prototype, emission limits and test cycle
188F diesel engine is tested and its technical parameters are shown in table 1.
In order to analyze the impact of diesel emissions characteristics on the emissions, figure 1 shows that 188F diesel engine pollutant emissions vary with the load.
References [1] ZHOU Longbao,LIU Zhongchang, GAO Zongying etal.
Biosystems Engineering, 2004,87(1):57-66
Applied Mechanics and Materials. 2011,43: 476-479
In order to analyze the impact of diesel emissions characteristics on the emissions, figure 1 shows that 188F diesel engine pollutant emissions vary with the load.
References [1] ZHOU Longbao,LIU Zhongchang, GAO Zongying etal.
Biosystems Engineering, 2004,87(1):57-66
Applied Mechanics and Materials. 2011,43: 476-479
Online since: January 2012
Authors: Bellambettu Chandrasekhara Pai, Kumaraswamy Kaliamma Ajith Kumar, Madhusudan Chakraborty, Uma Thanu Subramonia Pillai, Krishnaswamy Raghukandan
Results and discussion
Fig. 1 XRD analysis of Mg-Al-10 TiB2 composite
The XRD analysis carried out on the in-situ composite shows Mg and Mg17Al12 phases (Fig.1).
Table 1 Vickers hardness of Mg, Mg + 5 vol% TiB2, Mg - Al alloy and Mg - Al -TiB2 composite Materials Hardness (Hv) Pure Mg 30.8 Pure Mg-5 % TiB2 47.8 Mg-10Al 67.7 Mg-10Al-5 % TiB2 81.4 The Vickers hardness measurements carried out on the Mg-TiB2 and Mg-Al-TiB2 composites and the base alloys are presented in Table 1.
(a) (b) Fig. 4 SEM-EDX analysis of (a) Mg -TiB2 (b) Mg - Al -TiB2 composite Conclusions The following conclusions are derived from the above study: 1.
References [1] A.L.
Gupta, Investigation of the reaction between boron and titanium compounds with magnesium, Scripta Materialia, 45 (2001) 479-486
Table 1 Vickers hardness of Mg, Mg + 5 vol% TiB2, Mg - Al alloy and Mg - Al -TiB2 composite Materials Hardness (Hv) Pure Mg 30.8 Pure Mg-5 % TiB2 47.8 Mg-10Al 67.7 Mg-10Al-5 % TiB2 81.4 The Vickers hardness measurements carried out on the Mg-TiB2 and Mg-Al-TiB2 composites and the base alloys are presented in Table 1.
(a) (b) Fig. 4 SEM-EDX analysis of (a) Mg -TiB2 (b) Mg - Al -TiB2 composite Conclusions The following conclusions are derived from the above study: 1.
References [1] A.L.
Gupta, Investigation of the reaction between boron and titanium compounds with magnesium, Scripta Materialia, 45 (2001) 479-486
Online since: March 2009
Authors: Charles Scozzie, Ty McNutt, Megan Snook, Paul Potyraj, Harold Hearne, Victor Veliadis
A schematic of the cascode switch
and its constituent VJFETs are shown in Fig. 1.
(1) where Vbi is the built-in potential of the cascode's gate junction, and Vp is the pinch-off voltage.
This excellent agreement confirms that the decrease in cascode threshold voltage with temperature stems from the reduction of its gate-junction built-in potential as expected from theory, Equation (1).
References [1] V.
Cascode transconductance for temperatures in the 25ºC to 300ºC range. 50 75 100 125 150 175 200 225 0 50 100 150 200 250 300 Temperature (ºC) Cascode Peak Transconductance (mS) 150 232 314 396 479 561 643 725 4H-SiC Electron Mobility (cm 2 /Vs) Vds = 50 mV Fig. 8.
(1) where Vbi is the built-in potential of the cascode's gate junction, and Vp is the pinch-off voltage.
This excellent agreement confirms that the decrease in cascode threshold voltage with temperature stems from the reduction of its gate-junction built-in potential as expected from theory, Equation (1).
References [1] V.
Cascode transconductance for temperatures in the 25ºC to 300ºC range. 50 75 100 125 150 175 200 225 0 50 100 150 200 250 300 Temperature (ºC) Cascode Peak Transconductance (mS) 150 232 314 396 479 561 643 725 4H-SiC Electron Mobility (cm 2 /Vs) Vds = 50 mV Fig. 8.
Online since: July 2011
Authors: Cui Ying Lu, Xiao Wei Yin, Xiang Ming Li
Results and discussion
Morphology
Figure 1 shows the surface morphology of CVD-SiC(C) and CVD-SiC(N).
As can be seen, the molar ratio between C and Si is 1:1 in CVD-SiC(C) and is about 11:9 in CVD-SiC(N).
References [1] H.Z.
Vol.479 (2009), p. 1-3
Goetz and et al: Diamond and Related Materials, Vol. 1 (1992), p. 875-881
As can be seen, the molar ratio between C and Si is 1:1 in CVD-SiC(C) and is about 11:9 in CVD-SiC(N).
References [1] H.Z.
Vol.479 (2009), p. 1-3
Goetz and et al: Diamond and Related Materials, Vol. 1 (1992), p. 875-881
Online since: February 2006
Authors: Masayoshi Tanaka, T. Niwa, Takatoshi Kinoshita
The
block copolypeptide (Fig. 1) was prepared
by recombinant DNA techniques as follows
[3].
A CHCl3/DMF/alkali water (479:20:1 in vol.) mixed solution of the copolypeptide (1.66 × 10-6 M) was spread onto the water, and after 10 minutes of solvent evaporation time the monolayer on the water was compressed continuously with the rate of 2.25 mm2/s.
The scanning speed was at a line frequency of 1 Hz, and the original images were sampled at a resolution of 512 × 512 points.
Fig. 1.
References [1] S.
A CHCl3/DMF/alkali water (479:20:1 in vol.) mixed solution of the copolypeptide (1.66 × 10-6 M) was spread onto the water, and after 10 minutes of solvent evaporation time the monolayer on the water was compressed continuously with the rate of 2.25 mm2/s.
The scanning speed was at a line frequency of 1 Hz, and the original images were sampled at a resolution of 512 × 512 points.
Fig. 1.
References [1] S.
Online since: June 2011
Authors: Thierry Woignier, Jerome Reynes, Sylvie Calas
T
Figure 1.
The activation energy of the sintering process is close to 150 kcal mol-1.
The figure 1 shows the dilatometer curves measured on the samples loaded with 4, 9 and 16 CeO2 %.
References [1] J.F.
Solids Vol 110 (1988) 479
The activation energy of the sintering process is close to 150 kcal mol-1.
The figure 1 shows the dilatometer curves measured on the samples loaded with 4, 9 and 16 CeO2 %.
References [1] J.F.
Solids Vol 110 (1988) 479
Online since: November 2013
Authors: Jin Tong, Ji Yu Sun, Yue Ming Wang, Rui Qing Wang, Xiao Hui Wang, Jiu Hao Gao
According to the nanoindentation test results (table 1), the parameters of material properties of model were defined.
References [1] P.L.
Zool. 214 (1988) 1-20
Biol. 213 (2010) 479-486
Bionics Eng. 1(2004) 221-230.
References [1] P.L.
Zool. 214 (1988) 1-20
Biol. 213 (2010) 479-486
Bionics Eng. 1(2004) 221-230.
Online since: February 2013
Authors: Shu Hua Liang, Jun Tao Zou, Chen Zhang, Qiao Zhang
The composition analysis of the Ni-W alloy ingots is listed in Table 1.
It can be learnt from Table 1 that W content in the matrix increases with increase of the W content in the Ni-W alloy, suggesting that more W are dissolved into matrix.
Table 1 EDS analysis of Ni-W alloys Alloy Matrix Grain boundaries Ni(at%) W(at%) Ni(at%) W(at%) O(at%) Ni-15%W 93.12 6.88 95.74 4.26 — Ni-25%W 88.86 11.14 67.46 5.70 26.84 Ni-30%W 86.60 13.40 3.06 20.83 76.11 Phase analysis.Fig.1(a)-Fig.1(c) are XRD patterns of Ni-15%W, Ni-25%W and Ni-30%W alloy before and after annealing, respectively.
References [1] Hong Wang, Rui Liu, FengJi Cheng.
Materials Science and Engineering B; 2011,176(6):477-479
It can be learnt from Table 1 that W content in the matrix increases with increase of the W content in the Ni-W alloy, suggesting that more W are dissolved into matrix.
Table 1 EDS analysis of Ni-W alloys Alloy Matrix Grain boundaries Ni(at%) W(at%) Ni(at%) W(at%) O(at%) Ni-15%W 93.12 6.88 95.74 4.26 — Ni-25%W 88.86 11.14 67.46 5.70 26.84 Ni-30%W 86.60 13.40 3.06 20.83 76.11 Phase analysis.Fig.1(a)-Fig.1(c) are XRD patterns of Ni-15%W, Ni-25%W and Ni-30%W alloy before and after annealing, respectively.
References [1] Hong Wang, Rui Liu, FengJi Cheng.
Materials Science and Engineering B; 2011,176(6):477-479
Online since: April 2017
Authors: Zhongie Huan, Tamba Jamiru, Rotimi Sadiku, Oludaisi Adekomaya
Table 1.
Fig. 1 Impact of fiber contents and orientation on density values.
References [1] P.
Eng. 73(1) (2014) 196-204
Eng. 23(4) (2003) 473-479
Fig. 1 Impact of fiber contents and orientation on density values.
References [1] P.
Eng. 73(1) (2014) 196-204
Eng. 23(4) (2003) 473-479
Online since: October 2011
Authors: E.O. Eze
The locations are in southwestern Nigeria, and are shown in Figure 1.
s = 1.4fV2 + 147.6 0.67 Dolerite s = 8.64fV + 12.8 0.97 s = 1.1fV2 + 168.2 0.98 _____________________________________________________________________________ Other interesting features observed in the marble were twinning and mineral zoning.
References [1] Olson, I.D.
McGraw Hill, New York 1989 [3] Evans, 1., Pomeroy, S.
Abstr; 33 (5), 1996, 479-483
s = 1.4fV2 + 147.6 0.67 Dolerite s = 8.64fV + 12.8 0.97 s = 1.1fV2 + 168.2 0.98 _____________________________________________________________________________ Other interesting features observed in the marble were twinning and mineral zoning.
References [1] Olson, I.D.
McGraw Hill, New York 1989 [3] Evans, 1., Pomeroy, S.
Abstr; 33 (5), 1996, 479-483