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Online since: March 2016
Authors: Gao Wu Qin, Han Bao, Shiyoshi Yokoyama, Xian Min Zhang
Fig. 2 Absorption spectra of chromophores A1-A3 in (a) chloroform and (b) 1,4 dioxane
Table 1 Absorption, solvatochromism data, molecular nonlinear optical properties, and thermal stability of the chromophores
Compd
λamax
(nm)
λbmax
(nm)
Δλ
(nm)
FWHMa
(nm)
FWHMb
(nm)
β
(×10-30esu)
β0
(×10-30 esu)
Td
(℃)
A1
631
607
24
58
87
1200
597
216.5
A2
738
693
45
66
129
2500
842
211.0
A3
833
713
120
126
201
5649
1054
205.4
B1
823
726
97
184
186
9192
1838
206.5
B2
826
736
90
255
212
4246
841
235.9
B3
836
733
103
267
219
4928
896
245.9
λamax and λbmax are measured in chloroform and 1,4 dioxane, respectively.
Online since: September 2011
Authors: Rui Ying Bai, Zheng Hang Lü, Gui Xiang Hou, Ji Wei Cai, Man Man Liu
agent
[kg/m3]
Water for foaming
[kg/m3]
Cohesion
[kg/m3]
Dry
density
[kg/m3]
CS6
114
270
30
460
3.8
—
0.50
30
Mean
880
CS7
114
270
30
460
7.2
0.6
0.50
30
Fair
896
CS8
114
270
30
460
7.2
1.2
0.50
30
Fair
912
CS9
114
270
30
460
7.2
1.5
0.50
30
Fair
840
It is shown in Table 4 and Fig. 6 that 7.2 g/m3 dosage of suspending agent (CMC) could provide a good cohesion and homogeneous mixture of foamed concrete.