origin of christmas tree in britain
origin of coherent phonons in bi2te3 excited by ultrafast laser pulses
... the thinner films still have crystalline structure, asshown 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.19Since our sample has its caxis perpendicular to the sample surface, the ponderomotiveforce and the thermal force that originate from the electric064307-2 ORIGIN OF COHERENT PHONONS IN Bi2Te3 ... 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.edu1R....
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origin of coherent phonons in bi2te3 excited by ultrafast laser pulses
... the thinner films still have crystalline structure, asshown 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.edu1R. ... Te,max064307-3 ORIGIN OF COHERENT PHONONS IN Bi2Te3 PHYSICAL REVIEW B 88, 064307 (2013)theverythinBi2Te3films can be wider, for example, ∼0.25 eV in 5-nm-thick films compared with 0.15 eV in bulk,33butstill...
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Báo cáo hóa học: "Origin of Capacity Fading in Nano-Sized Co3O4 Electrodes: Electrochemical Impedance Spectroscopy Study" pdf
... electrode/electrolyte interface. Indeed, theincrease in internal defects and isolated active regions whichhardly react with the electrolyte can increase the chargetransfer resistance during continued cycling in ... examine the origin of the drastic capacity fading suffered in the nano-sizedCo3O4anode system. In addition, the intimate association of cycling performance with the impedance elements in equivalent ... rapidlyincreased in the following cycles. This behavior is indicative of the stabilization of SEI layers achieved during the initial50 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
... 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
... 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
... 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
... P., Wikberg, J.E.& Szardenings, M. (1998) Chimeric melanocortin MC1 and MC3receptors: 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 2nM125I-labelled NDP-MSH and varying concentrations of the nonlabeled competing peptide. Lines represent the ... mMsodium acetate and 1 mMEDTA) resulting in a single band. The original doubleband had different relative intensity in the ethidium bromidestaining 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
... 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
... 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
... 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 strandedform a replication model of LuIII can be predicted result-ing in equivalent amounts of plus and minus ... anessential cofactor for NS1 in the replication initiationprocess allowing efficient and specific nicking of the 3'minimal origin and leaving NS1 covalently attached tothe 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
... depending upon the pattern of demyelination andinjury. In pattern II lesions, the number of cells expressingCCR1 significantly decreased, while CCR5 increased in LAcompared 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 adecrease in the expression of chemokines and adhesionmolecules. 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
... ter-minus in the double stranded extended form. Thisextended hairpin, capable of acting as an origin of replica-tion, lacks the arrangement of the specific domainspresent in the dimer duplex intermediate ... leading to the formation of a dimer duplex inter-mediate (dRF) in which two unit length copies of thegenome are joined by a single duplex copy of the original3' 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
... 6:130http://www.nanoscalereslett.com/content/6/1/130Page 3 of 7 In summary, the origin of red emission in chemicallyobtained ZnO nanotubes has been investigated by ELspectra. The as-grown samples were annealed in differentambient ... weregradually increased after annealing in air, oxygen ambi-ents, and decrease in argon ambient. However, in nitrogenambient, 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 theorange-red emission is attributed to oxygen interstitialsOi[22], the annealing in oxygen ambient inc reases theamount 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
... work, we can do a littlebetter by exploiting our knowledge of the small errorsoriginating from the missing vertex in P. In principleladder diagrams can be included explicitly via the Bethe–Salpeter ... EQSGWg%Eexptgỵ 0:25 eV for most semiconductors [41]), and the origin of the error can be explained in terms of ladderdiagrams missing in the random phase approximation(RPA) to the polarizability ... QSGWresults confirm the experimental evidence of asymmetricbandgap bowing. It is explained in terms of violations of the octet rule, as well as in terms of the order–disorderphase transition.Keywords...
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