... 142 VU VAN HUNG, DUONG DAI PHUONG, LUU THI KIM THANH Substituting equation (6) and equation (7) into equation (5), we obtain the Fermi- Dirac distribution function q-deform Fermi Dirac as: ⟨ ⟩ eβ(ε−µ) ... APPLICATION OF Q-DEFORMED FERMI- DIRAC STATISTICS TO 141 In the q-deformed Fermions oscillator operators satisfying the relation contrast commutative [4, 5, 6] ˆbˆb+ ... the Fermi energy and electron thermal constants of metals as Table [7] III NUMERICAL RESULTS AND DISCUSSIONS We replace the experimental values of the Fermi energy and electron thermal constants...
Ngày tải lên: 30/10/2015, 20:47
... the observations in the experiments [8, 9, 10, 11] IV CONCLUSIONS Consulting the empirical data to the q-deformed Fermi- Dirac statistics we have considered the electron contribution to the paramagnetic ... e−β(ε−µ)n n=0 = 1− (10) e−β(ε−µ) Substituting equation (9) and equation (10) into equation (8), we obtain the q-deformed Fermi- Dirac distribution function as following: n (ε) = fq (ε) = eβ(ε−µ) − e2β(ε−µ) ... the Fermions oscillator operators satisfy the following commutative relations [3, 4, 6, 7] ˆbˆb+ + qˆb+ˆb = q −Nˆ (3) where ˆb+ˆb = N ˆ (4) q ˆbˆb+ = N ˆ +1 (5) q with the q-deformed Fermions...
Ngày tải lên: 31/10/2015, 10:41
First principles study on hydrogen adsorption on platinum surfaces
... isotherms in H2 SO4 contain a contribution fr ionic adsorption and the measured charge correspo to both hydrogen and ionic contributions When bi fate ions are desorbed, hydrogen adsorption occ quickly ... Hydrogen electroadsorption The phenomenon of the hydrogen electroadsorption, i.e., adsorption at the electrode solution interface, is quite distinct from the hydrogen adsorption on the UHV surface ... to research on adsorption of ionic species, such as proton to be under-potential deposited on the surface, semiconductor and metallic species as well as specific adsorption of anions [8] Juan...
Ngày tải lên: 22/05/2016, 11:09
computational modeling of adsorption, nucleation and catalysis on solid surfaces
Ngày tải lên: 13/11/2014, 10:13
Adsorption of halogenated organic molecules and photo induced construction of a covalently bonded second organic layer on silicon surfaces
... bonding reaction to pyridine (containing a lone pair of electron and acting as an electron-donor in the surface reaction) on silicon surfaces, which demonstrated the coexistence of dative-bonded ... organic modification of semiconductor surfaces, demonstrating the possibilities of employing the C-X bonds to control the adsorption reaction pathways, and successfully constructed a second chemically ... species on silicon 13 Chapter surfaces The adsorption of water on Si(100)-2×1 attracted much attention as the resulting silicon oxidant in the surface reaction is vital in microelectronic fabrication...
Ngày tải lên: 14/09/2015, 08:43
First principles study of benzene adsorption on transition metal surfaces
... electronic interaction of benzene adsorption on transition metal surface will be explained 1.4.1 Surface-adsorbate interaction Chemical bonding constructed by the adsorption of a molecule on a ... are constructed as a result of electron donation and electron back-donation 13 Figure 1.7 Frontier orbital interaction in the di-σ adsorption of ethylene on Pd(111) From Pallassana and Neurock ... states, on the adsorption of one adsorbate, lead to weaker interactions with other adsorbates; third, elastic interaction brought by local distortions of the surface lattice on adsorption contributes...
Ngày tải lên: 06/10/2015, 21:06
Đề tài " Growth of the number of simple closed geodesics on hyperbolic surfaces " docx
... (possibly disconnected) surface with n + 2k boundary components and s = s(γ) connected components Each connected component γi of γ, gives rise to two boundary components, γi and γi on Sg,n (γ) ... see Section Connection with intersection numbers of tautological line bundles In Section 5, we calculate c(γ) in terms of the Weil-Petersson volumes of moduli space of bordered hyperbolic surfaces ... integral points in MLg,n are in a one-to-one correspondence with integral multi-curves on Sg,n In fact, MLg,n is the completion of the set of rational multi-curves on Sg,n The mapping class group...
Ngày tải lên: 06/03/2014, 08:21
Báo cáo khoa học: Cysteine residues exposed on protein surfaces are the dominant intramitochondrial thiol and may protect against oxidative damage docx
... Nitration and inhibition of complex I by ONOO) (A) Mitochondrial membranes were incubated as described in Fig 3A–D with the indicated concentrations of ONOO) or of decomposed ONOO) for controls ... compilation ª 2010 FEBS R Requejo et al Protein thiols A •- SOD/PrxIII radical sink O2 O2 •- S S S S Trx SOnH electron oxidation SOH O2 SH SH – ONOO SH electron oxidation SH ONOO– • O2 S SOnH SH ... a control experiment was carried out that measured the effect of a range of AMS concentrations on the mitochondrial matrix GSH pool Incubation of heart or liver mitochondria with concentrations...
Ngày tải lên: 06/03/2014, 09:22
review on methods to deposit catalysts on structured surfaces
... applications Catalysts based on carbon support deposited on various structures 4.1 Deposition on ceramic surface In 2001, a review was published concerning carbon support deposited on ceramic monoliths ... durations varying from one author to another Carbon nanofibres (CNF) have also been applied on ceramic monoliths [178,179] The carbon nanofibres are grown on Ni/Al2O3-washcoated monolith At least one ... catalyst on a powder substrate [60] or on carbon nanotubes, only deposition on geometric structures will be considered Aluminum isopropoxide was used by Janicke et al [90] for the production of...
Ngày tải lên: 20/03/2014, 13:06
báo cáo hóa học: "Toe clearance and velocity profiles of young and elderly during walking on sloped surfaces" potx
... research on tripping risk and MTC analysis [8-10] has been conducted on flat surfaces (laboratory walkways or treadmills with 0° inclination) Previous investigation [3] has shown the human locomotion ... test the effect of slopes on descriptive statistics of MTC and VelMTC for the two aged groups To test multi comparisons among three slopes' descriptive statistics, a bonferroni post-hoc test was ... calculate the location in respect to the origin of the rigid body Each position location was determined through palpation on the shoe Toe trajectory and clearance (for each location) over the walking...
Ngày tải lên: 19/06/2014, 08:20
Báo cáo hóa học: " A simple route to vertical array of quasi-1D ZnO nanofilms on FTO surfaces: 1D-crystal growth of nanoseeds under ammonia-assisted hydrolysis process" pptx
... solution upon the addition of ammonia (see growth process in section 2.2.) The hydrolysed complexes easily aggregate on each other forming a bluish colour in solution and at a certain condition ... modified upon variation of ammonia concentration From the cross-sectional analysis, it was revealed that the quasi-NRs length expanded from 70 to 80 nm when the ammonia concentration was increased ... process The effect of ammonia concentration on the structural growth of ZnO nanostructures was examined by using several variations of ammonia additions into the reaction, namely from 30 to 300...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: " Graphene on ferromagnetic surfaces and its functionalization with water and ammonia" doc
... of this analysis, one can conclude that ammonia molecules are placed in the on- top position on graphene/Ni(111) with the lone-pair toward carbon atoms and N-H bonds along C-C bond of the graphene ... orientation is the energetically most favorable one and the preferable adsorption site is the center of the carbon ring This theoretical observation confirms our prediction based on the interpretation ... 3.13 58 2.91 146 C_DOWN C_UP adsorption position Although on- top (T_C1) adsorption yields the highest interaction energy, one has to be aware that the present calculations cannot give exact answer...
Ngày tải lên: 21/06/2014, 05:20
Báo cáo hóa học: " Scanning Probe Microscopy on heterogeneous CaCu3Ti4O12 thin films" ppt
... characterization and conceived of the study RL performed the film deposition and conceived of the study VR conceived of the study and participated in its design and coordination section All authors ... air, in contact mode and in closed loop condition, using the Conductive Atomic Force Microscopy (C-AFM) module Standard experiments were carried out using Nanoworld boron doped diamond tips [19-22] ... conductivity [7] The Arrhenius plot of the measured conductivity allowed to estimate the grain boundary barrier activation energy, it is Ea~0.25 eV This measured activation energy for the conduction...
Ngày tải lên: 21/06/2014, 05:20
Báo cáo hóa học: " Wettability Switching Techniques on Superhydrophobic Surfaces" pptx
... imperfections Indeed, the formula of Young considers that there is only one contact angle, the static contact angle, noted h0 However, this configuration exists only for perfect surfaces Generally, surfaces ... surface Application such as particle sampling, concentration and analysis on superhydrophobic surfaces should be dedicated to environment control Conclusion Among all the superhydrophobic surfaces displaying ... ‘‘hydrophobic’’ are commonly used for wetting and nonwetting surfaces, respectively The contact angle of a liquid on a surface according to the surface tension is given by the relation of Young (1) The...
Ngày tải lên: 22/06/2014, 06:20
Báo cáo hóa học: " Wettability Switching Techniques on Superhydrophobic Surfaces" pdf
... imperfections Indeed, the formula of Young considers that there is only one contact angle, the static contact angle, noted h0 However, this configuration exists only for perfect surfaces Generally, surfaces ... surface Application such as particle sampling, concentration and analysis on superhydrophobic surfaces should be dedicated to environment control Conclusion Among all the superhydrophobic surfaces displaying ... ‘‘hydrophobic’’ are commonly used for wetting and nonwetting surfaces, respectively The contact angle of a liquid on a surface according to the surface tension is given by the relation of Young (1) The...
Ngày tải lên: 22/06/2014, 18:20
Báo cáo hóa học: "HARDY INEQUALITIES IN STRIPS ON RULED SURFACES" potx
... [11] considered a three-dimensional tube constructed by translating a noncircular two-dimensional cross-section along an infinite curve and obtained that the twisting due to an appropriate construction ... that k and σ are given bounded continuous functions on R Then, abandoning the geometrical interpretation in terms of ruled surfaces based on Γ, (2.5) can be considered as an abstract Riemannian ... sign and the Dirichlet condition on the locally shorter boundary is replaced by the Neumann one A different proof of this result and an extension to Robin boundary conditions were performed in [14]...
Ngày tải lên: 22/06/2014, 21:20
Arsenic removal from aqueous solutions by adsorption on red mud pps
... As(V) stock solution These stock solutions were used to prepare experimental solutions of speci®ed concentrations One gram of red mud powder was placed in a conical ¯ask Solutions containing 125 ... measure of the degree of adsorption As(III) is eectively adsorbed at about pH 9.5 Adsorption decreases at both lower and higher pH values Variations in As(V) adsorption on red mud at the pH range ... anionic pollutants from aqueous solutions by adsorption is highly dependent on pH of the media which aects the surface charge of the solid particles and degree of ionization and speciation of...
Ngày tải lên: 13/07/2014, 06:20
Báo cáo toán học: "Classification of (p, q, n) dipoles on nonorientable surfaces" doc
... a graph on a surface The enumeration of maps on surfaces has been developed and deepened by people, based on the initial works by W.T.Tutte in the 1960s The reader is referred to the monograph ... can be used as a model for constructing an embedding of a graph on surfaces without repetition in sense of topological equivalence Some works have been done based on the joint tree model, such ... by using TT 1-3 Relation 1: (AxByCx− Dy − ) ∼ ((ADCB)(xyx− y − )), Relation 2: (AxBx) ∼ ((AB − )(xx)), Relation 3: (Axxyzy − z − ) ∼ ((A)(xx)(yy)(zz)) In TT 1-3 and Relation 1-3, A, B, C, and...
Ngày tải lên: 08/08/2014, 11:20
Báo cáo y học: "Effect of hemofiltration filter adsorption on circulating IL-6 levels in septic rats" pps
... cytokine removal Furthermore, filtration appears to augment adsorption [3], so that combined filtration /adsorption might be more effective than adsorption alone, at least when hollow-fiber dialyzers ... hemofiltration in sepsis have failed to find any change in circulating mediator concentrations These observations have led to the development of combined hemofiltration/hemoadsorption techniques, ... by adsorption of IL-6 or by adsorption of other mediators or both Indeed, it seems likely that our findings resulted from a downregulation in the inflammatory response to CLP This explanation...
Ngày tải lên: 12/08/2014, 18:21
Báo cáo y học: "Protective effect of resin adsorption on septic plasma-induced tubular injury" pdf
... diffusion, convection and adsorption [17] Indeed, the adsorption matrixes may be useful tools to remove different inflammatory mediators by non-selective simultaneous adsorption [18,19] Based on ... up-regulation of Fas on TEC surface induced by septic plasma that was not observed after Amberchrom resin adsorption (Figures 4c and 4d) In addition, Amberchrom resin adsorption reduced the concentration ... in a condition of slight agitation at 37°C for 120 minutes Samples were taken in sterile conditions after 15, 30, 60 and 120 minutes of agitation At the start and at the end of adsorption, plasmatic...
Ngày tải lên: 13/08/2014, 20:21