Báo cáo vật lý: "Conductive Polymer Based on Polyaniline-Eggshell Powder (PANI-ESP) Composites" ppsx
Báo cáo vật lý: "Conductive Polymer Based on Polyaniline-Eggshell Powder (PANI-ESP) Composites" ppsx
...
3.5 Electrical Conductivity
The polymer backbone in the PANI-ESP conducting polymers consists
of a π-conjugated chain. The overlap of π-electrons is called conjugation because
it leads ... the conductive
polymer based on PANI was concluded to possess a FCC structure. The powders
exhibited peaks at 2 angles, around 200 and 450, which indicates that the
conductive polymer co...
Báo cáo vật lý: "AN ANFIS-BASED PREDICTION FOR MONTHLY CLEARNESS INDEX AND DAILY SOLAR RADIATION: APPLICATION FOR SIZING OF A STAND-ALONE PHOTOVOLTAIC SYSTEM" ppsx
... study consists of 60 × 12 monthly solar radiation values
collected from the National Office of Meteorology (NOM) in Algeria. Each site
contains 12-values corresponding to monthly radiation data. ... photovoltaic stations. IEEE Transactions on Energy Conversion,
13(4), 373–378.
22. Sidrach-de-Cardona, M. & Mora López, L. (1998). A simple model for
sizing stand alone photovoltaic sys...
Báo cáo vật lý: "A Chemical Study on Phyllanthus reticulatus" pdf
...
1. INTRODUCTION
The Phyllanthus genus contains species which have useful medicinal
applications. A considerable number of these species have been examined and
some effective constituents ... out on silica gels 230–400 mesh. Spots and
bands of compounds on TLC were detected using UV light.
V spectra were recorded on a UV-1650PC spectrophotometer. Proton
NMR (400 MHz) and
car...
Báo cáo vật lý: "Effect of Temperature on Corrosion Behavior of AISI 304 Stainless Steel with Magnesium Carbonate Deposit" docx
... scales strongly depends on temperature, pH,
the rate of CO
2
release as well as the concentrations of carbonates ions.
4
Several works have been reported
5–6
on the studies of deposits on the ... corrosion rate other than time exposure and ionic salts. The carbonate
salt have a deleterious effect on the scales and rapid decomposition of the alloy is
noted.
7
4. CONCLUSION...
Báo cáo vật lý: "EFFECTS OF Si, Al2O3 AND SiC SUBSTRATES ON THE CHARACTERISTICS OF DBRS STRUCTURE FOR GaN BASED LASER" ppsx
... INTRODUCTION
III-V nitride semiconductors offer a wide range of applications due to
their wide direct band gap, which is not found in conventional semiconductors.
The current semiconductor ... properties. However, a long nitridation times must be avoided because
it leads to formation of AlN on the surface, which degrades the properties of the
epilayer [6].
2.2. Silicon Carbide (SiC)...
Báo cáo vật lý: "Synthesis of Degradable Bio-Composites Based on Recycle Polypropylene Filled with Bamboo Powder Using a Reactive Process" pptx
... 1500.0 1000.0 500.0
will mention as the optimum condition. Increasing of BP concentration up to
20% in masterbatches mixture can extent the interaction among BP, AA and PP.
These mean that ... arise the radical reaction among PP, AA
and BP cellulose conducting either primary or secondary binding to form
rPP/AA/BP bio-composite. The presence of BP in optimum condition would
improve mat...
Báo cáo vật lý: "Influence of the Silica-to-Surfactant Ratio and the pH of Synthesis on the Characteristics of Mesoporous SBA-15" ppt
...
polyethylene oxide (PEO) coronas.
20
The formation of hexagonal mesophase
under highly acidic conditions occurred through S
+
H
+
X
–
I
+
formation.
21
The
protonated silanol groups (Si
–
O
+
) ... L. (2003).
Chemistry of silica at different concentrations of non-ionic surfactant
solutions: Effect of pH of the synthesis gel on the preparation of
mesoporous silica. Microporous Mesop...
Báo cáo vật lý: "Preparation of ZrO2/Al2O3-pillared Saponite and Its Spectroscopic Investigation on NOX Adsorption" pptx
... formation of the monoclinic zirconia
phase. It was found that zirconia dispersion contributed to the enhanced NO
x
adsorption
.
Keywords: clay pillarisation, zirconia, dispersion, adsorption ... (ZrO
2
/Al
2
O
3
)-pillared saponite was prepared by the
impregnation method using zirconium oxide chloride solution as a precursor. The effect
of zirconia concentration on the physicochemi...
Báo cáo vật lý: "ATTENUATION STUDIES ON DRY AND HYDRATED CROSS-LINKED HYDROPHILIC COPOLYMER MATERIALS AT 8.02 TO 28.43 keV USING X-RAY FLUORESCENT SOURCES" ppt
... Radiography, City University, London EC1M 6PA, England
*Corresponding author: sabar@usm.my
Abstract: Hydrophilic copolymers which consist of a combination of hydrophobic
monomers (methyl methacrylate, ... Photon cross-sections on a
personal computer.
Washington D.C.: US Department of Commerce,
NBSIR 87-3597, Jul. 1987, 1–10.
6. Constantinou, C. (1982). Phantom materials for radiati...
Báo cáo vật lý: "EXOTHERMIC TRANSITIONS ON COOLING OF GELATINIZED NATIVE RICE STARCH STUDIED BY DIFFERENTIAL SCANNING CALORIMETRY" doc
... technique commonly
employed to probe thermal properties of starch based on the heat flow changes
associated with both first-order (melting) and second-order (glass transition)
transitions of polymeric ... 334–343.
16. Tufvesson, F. & Eliasson, A-C. (2000). Formation and crystallization of
amylose-monoglyceride complex in a starch matrix. Carbohydr. Polym.,
43, 359–365.
17. Tufv...