origin of christmas tree in britain
origin of coherent phonons in bi2te3 excited by ultrafast laser pulses
Ngày tải lên :
06/05/2014, 08:54
... the thinner films still have crystalline structure, as
shown in the Raman scattering data in Fig. 4(c). The widths
of the Raman peaks in the thinner films are slightly wider,
indicating longer interatomic ... force.
19
Since our sample has its c
axis perpendicular to the sample surface, the ponderomotive
force and the thermal force that originate from the electric
064307-2
ORIGIN OF COHERENT PHONONS IN Bi
2
Te
3
... address: Department of Mechanical Engineering,
The University of Texas at Austin, Austin, Texas, 78712.
†
These two authors contributed equally to this work.
‡
Corresponding author: xxu@purdue.edu
1
R....
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origin of coherent phonons in bi2te3 excited by ultrafast laser pulses
Ngày tải lên :
06/05/2014, 08:58
... the thinner films still have crystalline structure, as
shown in the Raman scattering data in Fig. 4(c). The widths
of the Raman peaks in the thinner films are slightly wider,
indicating longer interatomic ... address: Department of Mechanical Engineering,
The University of Texas at Austin, Austin, Texas, 78712.
†
These two authors contributed equally to this work.
‡
Corresponding author: xxu@purdue.edu
1
R. ... T
e,max
064307-3
ORIGIN OF COHERENT PHONONS IN Bi
2
Te
3
PHYSICAL REVIEW B 88, 064307 (2013)
theverythinBi
2
Te
3
films can be wider, for example, ∼0.25 eV
in 5-nm-thick films compared with 0.15 eV in bulk,
33
but
still...
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Báo cáo hóa học: "Origin of Capacity Fading in Nano-Sized Co3O4 Electrodes: Electrochemical Impedance Spectroscopy Study" pdf
Ngày tải lên :
22/06/2014, 01:20
... electrode/electrolyte interface. Indeed, the
increase in internal defects and isolated active regions which
hardly react with the electrolyte can increase the charge
transfer resistance during continued cycling in ... examine the origin of
the drastic capacity fading suffered in the nano-sized
Co
3
O
4
anode system. In addition, the intimate association
of cycling performance with the impedance elements in
equivalent ... rapidly
increased in the following cycles. This behavior is indicative
of the stabilization of SEI layers achieved during the initial
50 cycles, which does not support the sudden decay of
capacity...
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Tài liệu Báo cáo khoa học: "The Use of Shared Forests in Tree Adjoining Grammar Parsing" pptx
Ngày tải lên :
22/02/2014, 10:20
... finite set of initial trees,
A is a finite set of auxiliary trees.
An initial tree is a tree with root labeled by S and
internal nodes and leaf nodes labeled by nonterminal
and terminal symbols, ...
studying tag parsing. The schemes using
lig and cfg to represent parses can be seen
to underly most of the existing tag parsing
algorithms,
1 Introduction
We study parsing of tree adjoining ... derived using the rewrit-
ing rules of the grammar. A derivation tree of the
grammar, on the other hand, is a tree that encodes
the sequence of rewritings used in deriving a derived
tree. In the...
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THE SUSTAINABLE DEVELOPMENT OF TREE CROPS AND THE PREVENTION OF VEGETATION FIRES IN SOUTH SUMATRA, INDONESIA pptx
Ngày tải lên :
08/03/2014, 10:20
... 789,000 ha of land is registered in the Province; including 340,000 ha of hak milik, and 363,000 ha of HGU.
33
The over 50 percent of farmers who have a low income and can not invest in clonal ... seedlings but the quality is often low; hence the rate of growth
is slow and yields disappointing. Slow growth increases fire risk in the early years.
lack of funds to finance upkeep of a ... forestry 7
Involving farmers in the preservation of tree cover and fire prevention 7
South Sumatra Province: A Prime Example
8
3. FORESTS, TREE CROPS AND PEOPLE IN SOUTH SUMATRA PROVINCE
9...
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How Banks Construct and Manage Risk A Sociological Study of Small Firm Lending in Britain and Germany pptx
Ngày tải lên :
22/03/2014, 21:20
... recent data indicate a drop of LGS loans in terms of numbers
and volume in Britain compared to a continued rise in Germany, as
well as continuing differences between the countries regarding the ... lending to SMEs in Britain still has a more
short-term structure.
Concerning density of branch networks, statistical data support a
lower density in Britain than in Germany. In 1995, in the ... still higher in Germany than it was in 1995 in
Britain. As Hildebrandt (1999, 2000) has shown in a German-French
comparison of banking, the higher density of branches in Germany is
mainly due...
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Báo cáo khoa học: Presence of melanocortin (MC4) receptor in spiny dogfish suggests an ancient vertebrate origin of central melanocortin system pot
Ngày tải lên :
23/03/2014, 20:22
... P., Wikberg, J.E.
& Szardenings, M. (1998) Chimeric melanocortin MC1 and MC3
receptors: identification of domains participating in binding of
melanocyte-stimulating hormone peptides. Mol. Pharmacol. ... SacMC4-A59E receptor. The binding curves were obtained by using a fixed concentration of
2n
M
125
I-labelled NDP-MSH and varying concentrations of the nonlabeled competing peptide. Lines represent the ... m
M
sodium acetate and 1 m
M
EDTA) resulting in a single band. The original double
band had different relative intensity in the ethidium bromide
staining and the hybridization signal. It is thus...
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the origin of interferometric effect involving surface plasmon polariton in scattering nearfield scanning optical microscopy
Ngày tải lên :
06/05/2014, 08:54
... Conclusions
In conclusion, we investigated the formation of interference fringes in the s-NSOM
measurement of a single nanoslit. Both amplitude and phase of the interference fringes were
obtained, ... resolution on
the order of 10 nm. In this work we report investigation of the
interferometric patterns commonly occurred in s-NSOM measurements. To
reveal the origin of such interference patterns, ... EXPRESS 2968
The origin of interferometric effect involving
surface plasmon polariton in scattering near-
field scanning optical microscopy
Yan Li,
1
Nan Zhou,
1
Edward C. Kinzel,
2
Xifeng...
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the origin of interferometric effect involving surface plasmon polariton in scattering nearfield scanning optical microscopy
Ngày tải lên :
06/05/2014, 08:58
... Conclusions
In conclusion, we investigated the formation of interference fringes in the s-NSOM
measurement of a single nanoslit. Both amplitude and phase of the interference fringes were
obtained, ...
on near-field imaging of mid-infrared surface phonon polariton (SPhP) [21]. The interference
pattern observed in [21] was explained as the interference between the illuminating field and
the ... 2971
distinct fringes appear on the lower part, the direction of the incoming laser beam, while no
fringe or only slow intensity variation appears on the upper part of the nanoslit. All fringes...
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Báo cáo sinh học: " Possible active origin of replication in the double stranded extended form of the left terminus of LuIII and its implication on the replication model of the parvovirus" pptx
Ngày tải lên :
19/06/2014, 08:20
... were provided in trans. This extended hairpin, capable of acting as an origin of
replication, lacks the arrangement of the specific domains present in the dimer duplex intermediate
of MVM, the ... functionality of the left hairpin of LuIII as an
origin of replication in the extended double stranded
form a replication model of LuIII can be predicted result-
ing in equivalent amounts of plus and minus ... an
essential cofactor for NS1 in the replication initiation
process allowing efficient and specific nicking of the 3'
minimal origin and leaving NS1 covalently attached to
the 5' end of the...
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báo cáo hóa học: " Temporal expression and cellular origin of CC chemokine receptors CCR1, CCR2 and CCR5 in the central nervous system: insight into mechanisms of MOG-induced EAE" pptx
Ngày tải lên :
19/06/2014, 22:20
... depending upon the pattern of demyelination and
injury. In pattern II lesions, the number of cells expressing
CCR1 significantly decreased, while CCR5 increased in LA
compared to EA demyelinating ... demyelination (Fig. 2E).
During the clinical remission phase (day 18), inflamma-
tion and demyelination in the spinal cord were consider-
ably diminished (Fig. 3G, 3I) and the number of
infiltrating ... in combination with a lack of
recruitment into the CNS late in the disease due to a
decrease in the expression of chemokines and adhesion
molecules. Another possibility is the exhaustion of infil-
trating...
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báo cáo hóa học:" Possible active origin of replication in the double stranded extended form of the left terminus of LuIII and its implication on the replication model of the parvovirus" ppt
Ngày tải lên :
20/06/2014, 04:20
... ter-
minus in the double stranded extended form. This
extended hairpin, capable of acting as an origin of replica-
tion, lacks the arrangement of the specific domains
present in the dimer duplex intermediate ... leading to the formation of a dimer duplex inter-
mediate (dRF) in which two unit length copies of the
genome are joined by a single duplex copy of the original
3' palindrome [8,10,12,13]. In ... were provided in trans. This extended hairpin, capable of acting as an origin of
replication, lacks the arrangement of the specific domains present in the dimer duplex intermediate
of MVM, the...
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Báo cáo hóa học: " The origin of the red emission in n-ZnO nanotubes/p-GaN white light emitting diodes" pdf
Ngày tải lên :
21/06/2014, 05:20
... 6:130
http://www.nanoscalereslett.com/content/6/1/130
Page 3 of 7
In summary, the origin of red emission in chemically
obtained ZnO nanotubes has been investigated by EL
spectra. The as-grown samples were annealed in different
ambient ... were
gradually increased after annealing in air, oxygen ambi-
ents, and decrease in argon ambient. However, in nitrogen
ambient, t he EL emission of the red peak in the range of
690–750 nm was increased, ... the ratio of
these defects is more in the case of oxygen. As the
orange-red emission is attributed to oxygen interstitials
O
i
[22], the annealing in oxygen ambient inc reases the
amount of oxyge...
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Báo cáo hóa học: " On the Chemical Origin of the Gap Bowing in (GaAs)12xGe2x Alloys: A Combined DFT–QSGW Stud" pptx
Ngày tải lên :
22/06/2014, 00:20
... work, we can do a little
better by exploiting our knowledge of the small errors
originating from the missing vertex in P. In principle
ladder diagrams can be included explicitly via the Bethe–
Salpeter ... E
QSGW
g
%
E
expt
g
ỵ 0:25 eV for most semiconductors [41]), and the
origin of the error can be explained in terms of ladder
diagrams missing in the random phase approximation
(RPA) to the polarizability ... QSGW
results confirm the experimental evidence of asymmetric
bandgap bowing. It is explained in terms of violations of
the octet rule, as well as in terms of the order–disorder
phase transition.
Keywords...
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