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Online since: August 2014
Authors: Ze Yi Zhou, Zhe Bi, Xing Wang, Jie He
Table 1 Purity of the R142b and Nitrogen and their analysis uncertainty
Component
R142b / μmol·mol-1
Standard Uncertainty /μmol·mol-1
Nitrogen
/μmol·mol-1
Standard Uncertainty /μmol·mol-1
CO2
43.8
4.38
0.020
0.00200
O2
862
86.2
0.370
0.0370
CH4
44.5
4.45
0.114
0.0114
N2
2140
214
-
-
Ar
-
-
48.5
2.43
H2
0.156
0.0156
0.100
0.0500
CO
11.5
1.15
0.0150
0.0150
CCl4
896
89.6
-
C2H3F2Cl (R142b) purity
996002
256
Nitrogen purity
999949
28.9
The calculation of the final mixture
After filled the N2 into the cylinder, the final mixture can be calculated.
Online since: August 2017
Authors: Syamsul Hadi, Utsman Syah Amrullah, Anggit Murdani
Yan, Effect of alkali treatment on vibration characteristics and mechanical properties of natural fabric reinforced composites, Journal of Reinforced Plastics and Composites, Vol 31, Issue 13, pp. 887 - 896
[14] S.
Online since: December 2011
Authors: Tao Wang, Zheng Wen Yuan, Hong Xiao, Xiang Dong Qi, Gong Ming Yuan, De Fang Ren
Table 2 Equipment and technology parameters of 1780 finishing train
Stand
F1
F2
F3
F4
F5
F6
F7
Work roll length/mm
2080
2080
2080
2080
2080
2080
2080
Backup roll length/mm
1780
1780
1780
1780
1780
1780
1780
Work roll diameter/mm
835
835
835
835
700
700
700
Backup roll diameter/mm
1550
1550
1550
1550
1550
1550
1550
Distance between bending force cylinders/mm
3380
3380
3380
3380
3380
3380
3380
Distance between press centers/mm
3080
3080
3080
3080
3080
3080
3080
Strip width/mm
1500
1500
1500
1500
1500
1500
1500
Outlet thickness/mm
20.16
11.71
7.87
6.17
4.97
4.11
3.5
Front tension/MPa
6.7
7.1
7.7
8.2
8.9
9.6
0
Shifting position/mm
30
55
45
30
0
0
0
Bending force/kN
0
0
0
0
820
510
300
Rolling temperature/˚C
1006
976
955
933
910
896
881
Velocity/(m·s-1)
1.99
3.44
5.12
6.52
8.11
9.79
11.50
The outlet thickness lateral distributions are shown in Fig.4.
Online since: August 2019
Authors: Siddhartha Kosti, JITENDER KUNDU
Table 1 Thermo-physical properties
Thermal conductivity (W/m-K)
Specific heat (J/kg-K)
Density (kg/m3)
Al
167
896
2700
B4C
42
1288
2550
SiC
100
1300
3200
Al2O3
36
773
3880
Effective models for thermal and structural properties
Effective properties of the offspring generated using GA, are calculated with the help of mixture rule [22] and the Maxwell model as explained in [23].