...
Polymerisation of Protonic Polyaniline/Multi-Walled Carbon
Nanotubes-Manganese Dioxide Nanocomposites
Saiful Izwan Abd Razak, Abdul Latif Ahmad and Sharif Hussein Sharif Zein
*
School of Chemical ...
Polymerisation of PANI/MWCNTs-MnO
2
30
Figure 2: FTIR spectrum of HCl-doped PANI.
that can be observed is the intensity ratio of the benzoid and quinoid bands...
... lower in the pulps of carious teeth than in those of
healthy teeth, and the mean concentrations of Mg, Cd, Ba and Pb were higher in
the pulps of carious teeth than in those of healthy teeth (Fig. ... (ARDIUS)
Optimisation
Maximum ion intensity of 10 ppt of
89
Y
2.2 Collection and Preparation of Primary and Permanent Teeth
A total of 64 primary teeth of all types...
... with increasing amounts of HCl or
the presence of large amounts of C1
–
ions. Therefore, for the partial dehydration
of PEO units, the volume of the hydrophilic part of the micelle decreases. ... catalytic supports.
8
Because of the variety of practical uses, the fabrication of the desired
morphologies of mesoporous silica is as important as the control of its inter...
... crystal sizes in turbostatic carbons. Carbon, 1(1), 3–9.
16. Noh, J. S. & Schwarz, J. A. (1990). Effect of HNO
3
treatment on the
surface acidity of activated carbons. Carbon, 28(5), 675–682. ... on
activated carbon. Ind. Eng. Chem. Res., 36(12), 5103–5109.
5. Zhu, Z. H., Radovic, L. R. & Lu, G. Q. (2000). Effects of acid treatments
of carbon on N
2
O reduction by c...
... (2007). Wear mechanisms and tool
performance of TiAlN PVD coated inserts during machining of AISI
4140 steel. Wear, 262(1–2), 64–69.
Journal of Physical Science, Vol. 21(2), 67–79, 2010 73 ... In addition, the effects of other
milling parameters were studied; cutting speed (m/min), axial depth of cut (mm) and feed
rate (mm/tooth). Results indicate failure of the cutting edge...
... spectra of Zr/APS materials compared to
the APS. The UV–vis diffuse reflectance absorption spectrum of Zr/APS
materials lies between the spectrum of APS and that of bulk-ZrO
2
. The blue shift
of ... Adsorption-desorption profile of (a) APS, (b)–(e) Zr/APS 0.2% to 3%.
Note: P/Po: relative pressure
Journal of Physical Science, Vol. 21(1), 53–65, 2010 53
Preparation of...
...
nduction of
und against
y on human
roups (N–H
xidation.
11,25
ber ring of
activity of
ence of free
capacity on
ncrease and
at different
time intervals. The percentage inhibition of LDL ... preparation of the deriva
(Schemes 2 and 3). The structures of the compounds were elucidate
NMR,
mass spectroscopy and elemental analysis. The IR spectra of
(e) and (f) show...
... reflectance of DBRs used in VCSELs are in the range of
99.9–99.999%. This high reflectance is required to compensate for the small
amount of optical gain due to the short cavity length of VCSELs. ...
λ
/4n
2
Figure 1: Diagram of DBR two alternating materials of
optical thickness (
λ
/4) are used to form a DBR
From Fresnel's equations [8] due to matching of the t...
...
Preparation of Selenium-Doped Activated Carbon 12
process that result in the generation of off-flavours that is often associated with
the reduction in nutritional value.
4
In fact, the quality of the ... carbon, ZC = activated zeolite, MAC = 2.5% (w/w) Se/activated carbon, MAC2 = 5%
(w/w) Se/activated carbon and MZC = 5% (w/w) Se/activated zeolite
Preparation of Selenium...
... to the contribution of the
constrained metallic matrix as well as that of replacing some of the soft
aluminium by the harder SiO
2
particles. However, when the amount of the
second phase ... density of unreinforced and each set of composites were
calculated according to the rule of mixtures. The green density of the compacted
sample was determined by dividing the mass o...