preparation and presentation of scientific reports
Tài liệu Báo cáo " Preparation and characteristics of LiF:Mg,Cu,Na,Si thermoluminescent material " pptx
Ngày tải lên :
13/02/2014, 04:20
... somewhat expand.
The dosimetric properties of the powder were studied. In the TL glow curve of LiF:Mg,Cu,Na,Si
powder the main dosimetric peak appeared in the range of 227-247
o
C and the ratio of the ... powder were
studied. The main dosimetric peak of LiF:Mg,Cu,Na,Si appeared in the range of 227− 247
o
C and
the ratio of the height of the main peak to that of the other small peaks in the LiF:Mg,Cu,Na,Si
is ... with rate of 4 l/min. After annealing treatment, the samples were washed with HCl solution.
VNU Journal of Science, Mathematics - Physics 23 (2007) 225-231
Preparation and characteristics of LiF:Mg,Cu,Na,Si
thermoluminescent...
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Tài liệu Báo cáo "Preparation and characterization of nanocomposite TiO2/SnO2 films " pdf
Ngày tải lên :
13/02/2014, 04:20
...
concentration of the SnCl
4
solution, and the films were annealed at different temperatures and for
different period of time.
Photoconductivity measurement
In order to evaluate properties of obtained ... (R
D
) and the light resistance (R
L
) under the irradiation of 7W Hg lamp at
the distance of 10cm were measured. The calculated ratio of R
D
/R
L
was considered as a
photoconductivity of obtained ... results of measurements show that all values R
L,
R
D,
and
R
D
/R
L
strongly depend on the temperature and time of annealing as presented in Fig. 4.
P.V. Nho, T.K. Cuong / VNU Journal of Science,...
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Preparation and photoluminescence of high density siox nanowires with fe3o4 nanoparticles catalyst
Ngày tải lên :
16/03/2014, 15:11
... catalyst.
The lengths of SiOx nanowires are in the range of several tens to hundreds of micrometers, and the diameters
of nanowires are 20–80 nm. Transmission electron microscopy and high-resolution ... Preparation and photoluminescence of high density SiOx nanowires with Fe
3
O
4
nanoparticles catalyst
X.J. Wang
a,
⁎
, B. Dong
b
, Z. Zhou
a
a
School of Electronics Engineering and Computer ... assays, chemical sensors, and
superparamagnets [8,9]. Recently, efforts have been devoted to
preparation of Fe
3
O
4
nanoparticles, nanowires and nanotubes. In
2002, Sun and Zeng [10] prepared the...
4
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0
preparation and characterization of cnts tio2 composites
Ngày tải lên :
20/03/2014, 13:06
... such as C–O, C=O and O – C=O which might stimulate formation of the composites, and
enhance the interfacial combination of TiO
2
with carbon nanotubes. The formation of TiO
2
and its compounding ... Preparation and characterization of CNTs–TiO
2
composites
Li Chen
*
, Bai-Lan Zhang, Mei-Zhen Qu, Zuo-Long Yu
*
Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, ... process of CNTs.
Fig. 3 shows TEM image of CNTs–TiO
2
composites in
which the black materials of different size absorbed onto
Fig. 1. TEM image of as purified CNTs.
Fig. 2. XPS spectrum of purified...
3
339
0
preparation and characterization of high surface area nanosheet titania with mesoporous structure
Ngày tải lên :
20/03/2014, 13:06
... the use of TEM apparatus and to Prof. T.
Yoko, Institute for Chemical Research, Kyoto University for the
use of XRD equipment. This work was supported by grant -in-
aids from the Ministry of Education, ... images of the nanosheet TiO
2
calcined at 600 and 700 °C showed almost nanoparticles with a mixture
of anatase and rutile TiO
2
structure (about 10–50 nm in diameter, at
600 °C, Fig. 6(g–h)), and ... pattern of the as-synthesized nanosheet TiO
2
and
nanosheet TiO
2
calcined for 1 h at 300–700 °C.
2975S. Pavasupree et al. / Materials Letters 61 (2007) 2973–2977
surface area and pore volume of...
5
462
0
preparation and characterization of monodispersed wo3 nanoclusters on tio2(110)
Ngày tải lên :
20/03/2014, 13:06
... and angles) of O, W and Ti are
expected but, not surprisingly, are too small to be detectable as
shifts of W
4f
and Ti
2p
core level BEs and cannot be resolved in
STM images.
The appearance of ... supports makes it difficult to gain control of cluster
size in preparing samples, and mass control of deposited
species has been limited to soft-landing of gas-phase mass-
selected charged species ... WO
3
nm
À2
and metallic W.
Fig. 2. Linear correlation of W
NVV
/Ti
LMM
AES ratio and W
4f
intensity with
amount of deposited WO
3
, the latter is plotted in units of WO
3
nm
À2
based
QCM measurement of...
10
564
0
preparation and properties of magnetic iron oxide nanotubes
Ngày tải lên :
20/03/2014, 13:06
... diameters of the rings, respectively) and
t = 160–200 nm (t is the thickness of the rings or length of the
tubes) nanorings due to the absence of the vortex states and the
presence of out-plane and ... spectra of samples S2 (a) and S3 (b).
can be exclusively indexed to ␣-Fe
2
O
3
, according to standard
data (JCPDS 33-0664). In Fig. 1(b) and (c), the reflection peaks
of XRD patterns of S2 and S3, ... think that sample S2 is Fe
3
O
4
and sample S3
is ␥-Fe
2
O
3
.
Fig. 3 presents the SEM and TEM images of samples S1,
S2 and S3. Fig. 3(a) and (b) show the morphologies of ini-
tial synthesized ␣-Fe
2
O
3
nanotubes...
6
552
0
ease guidelines for authors and translators of scientific articles to be published in english
Ngày tải lên :
26/03/2014, 14:09
...
English-Native-Speaking Editors (Netherlands)
(SENSE), the Association of Learned and
Professional Society Publishers (ALPSP), and the
Society for Editors and Proofreaders (SfEP)
.
We have major ... includes
original articles and meeting reports, announces new
developments and forthcoming events, reviews
books, software and online resources, and highlights
publications of interest to members. ...
Authors and Translators of Scientific Articles. Our
goal was to make international scientific
communication more efficient and help prevent
scientific misconduct. This document is a set of
major...
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Báo cáo khoa học: Preparation and characterization of geodin A bc-crystallin-type protein from a sponge pot
Ngày tải lên :
30/03/2014, 15:20
... the evolution of bacteria and
moulds, and then very early recruited in the metazo-
ans. Here we report the expression and purification of
recombinant geodin and its thermodynamic and spect-
roscopic ... of thermodynamic stability, are of about
80 kJặmol
)1
for human-c S and spherulin 3a, and of 41
and 45 kJặmol
)1
for geodin and protein S, respectively.
The value of 45 kJặmol
)1
for protein S ... from the S
preparation (A) and the IB preparation (B) from the lysate of E. coli
cells transformed with geodin encoding cDNA. The inserts show
the results of SDS ⁄ PAGE separations of individual...
13
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us army cooking course - preparation and serving of special
Ngày tải lên :
03/05/2014, 12:14
... chateaubriand.
(f) Cocktail picks near shrimp, meat balls, melon balls, and similar
items.
(3) Coffee and tea dispensers and cups and saucers should be neatly
arranged and away from the flow of guests. ... (hot and cold); toast; sweet rolls or coffee cake; hot
cakes or waffles and sirup; sausage, bacon, or ham; and coffee, tea, and milk.
b. Brunch. A brunch buffet is commonly served on Sundays and ... decorations, centerpieces, and in some cases, food
garnishes.
d. Season of the Year and Time of Day. The season and time of day must be
taken into account. The same type of menu would not be appropriate...
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0
Preparation and characterization of bimodal magnetofluorescent nanoprobes for biomedical application
Ngày tải lên :
14/05/2014, 15:49
... magne-
tization (𝑀
𝑠
) of oleic acid and oleyamine stabilized
Fe
3
O
4
nanoparticles with the diameter of about 8 nm
was 38.26 emu/g, and zero coercivity was found. How-
ever, the value of 𝑀
𝑠
of Fe
3
O
4
/SiO
2
decreases ... g
of iron-oleate, 1.91mL of oleylamine and 0.64 mL of
oleic acid were mixed together and were heated at
120
∘
C for one hour. After that, the dark solution was
quickly heated up to 200
∘
C and ... coating of
amorphous mesoporous silica on the surface of Fe
3
O
4
nanoparticles. All of the diffraction peaks of CdTeS
QDs in Fig. 2(c) are between the diffraction peaks
of the cubic CdTe and CdS...
5
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Báo cáo hóa học: " Preparation and characterization of superhydrophobic surfaces based on hexamethyldisilazane-modified nanoporous alumina" pptx
Ngày tải lên :
21/06/2014, 01:20
... measurements and
the analysis of the spectra and carried out the analysis of the water contact
angles on nanoporous alumina. AK and CE participated in the design of the
study and coordination of the ... reaction of HMDS
with the alumina surface occurs by the dissociative che-
misorption of HMDS via reaction of coordinatively
unsaturated Al
+
and O-sites. Subsequent reaction of
pendant -O-SiM e
3
and ... important
for a wide range of scientific and technological applica-
tions, including development of coatings that possess
self-cleaning property, reduction of vi scous drag of solid
surfaces subject...
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Báo cáo hóa học: " Preparation and properties of copper-oil-based nanofluids" ppt
Ngày tải lên :
21/06/2014, 03:20
... in Figure 2b, the bands of C-H and O-
CH
2
are also observed in the surface-modified Cu nano-
particles, while the absorption peaks of P = S and P-S
shifts, and the bands of N-H mostly disappear.
Figure ... additives in oils.
Viscosities and thermal conductivities of nanofluids
The effects of both temperature and mass fraction of the
nanoparticles on the viscosities of the nanofluids were
investigated. ... viscosity, thermal
conductivity, and thermal oxidation stability of the
nanofluids are also investigated.
Experimental
Materials and preparation of ligand
All the materials and solvents used in this...
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Báo cáo hóa học: "Preparation and evaluation of novel mixed micelles as nanocarriers for intravenous delivery of propofol" potx
Ngày tải lên :
21/06/2014, 04:20
... HS15/propofol of 10/1/5 by weight, average
micelle size of about 101 nm and PDI of 0.12 as shown
in Figure 2. The LC of mixed micelles was about 32.4%,
and the content of propofol in the preparation ... of propofol to mPEG-PLA and
Solutol HS15, which allowed for the best propofol solubili-
zation, a series of propofol-loaded mixed micelles was pre-
pared with different weight ratios of propofol ... Tempera-
ture and relative humidity were maintained at 25°C and
50%, respectively. All care and handling of animals were
performed with the approval of Institutional Authority
for Laboratory Animal Care of...
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