first principles derivation of the equation of motion of a pipe conveying fluid
Báo cáo hóa học: " First-Principles Study of the Band Gap Structure of OxygenPassivated Silicon Nanonets" potx
... for the 100D nanonets This indicates that the distribution of the nanopore arrays is another key factor of the band gap structure of nanonets The 110X nanonets have the same macro appearance ... diameters of the nanopore, Wk is the minimal widths of the nanowall, Pn means the porosities of the silicon nanonets OH means the nanowalls are OH-passivated, while O indicates the nanowalls are ... the band structure of 100D nanonets correspond to ZRXGZAMG in the 100X nanonets The location of CBM is fixed at M and the change of the M–G in the valence band is the key factor of the band gap...
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Báo cáo khoa học: "The Derivation of a GrammaticaUy Indexed Lexicon from the Longman Dictionary of Contemporary English" pptx
... we have described are heuristic aids rather than failsafe procedures for the rapid construction of a sizeable and accurate lexicon from s machine-readable dictionary of variable accuracy and ... example, the morphological features AT, LAT and BARE_ADJ are not there This type of feature is critical to the analysis of derivxtional variants, and such information is necessary for the correct application ... V and BAR, used to define the major categories of the grammar, most features can be classlfied in terms of the categories they apply to For each major category type there is a set of head features...
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Báo cáo hóa học: " First-Principles Study of Magnetic Properties of 3d Transition Metals Doped in ZnO Nanowires" potx
... may have effects on the ferromagnetism and are not present in the passivated case, we passivate the nanowire using pseudo-H atoms Our calculated band gaps are 2.24 and 0.8 eV for the passivated ... (2000) D Karmakar, S.K Mandal, R.M Kadam, P.L Paulose, A. K Rajarajan, T.K Nath, A. K Das, I Dasgupta, G.P Das, Phys Rev B 75, 144404 (2007) J Alaria, M Bouloudenine, G Schmerber, S Colis, A Dinia, P ... increase as the size of the nanowire decreases Therefore, the doping in the nanowires with the smaller diameter becomes more difficult, which is similar to the case of nanocrystals (in our calculation,...
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First principles study of graphene related materials 1
... temperatures and the smaller and more mobile Na+ ions migrate to the back of the glass contact, leaving the O– ions at the interface be2 tween the glass and the graphite The electrostatic attraction ... (PMMA) mask, and the top surface of the mask and the upper cylindrical hemisphere of the CNTs are etched away by an Ar plasma, leaving behind GNRs embedded in the PMMA mask 93 The CNTs can also ... principles 3.2 Derivation of the thermoelectric parameters from the Landauer approach Derivation of the steady-state electron flux dF dt across the junction We shall now derive the mathematical expressions...
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First principles study of graphene related materials 2
... five graphene layers if all the C atoms had remained on the surface Since a single layer of graphene was observed on the Ru(0001) surface after the annealing, substantial gasification of the decomposed ... the center of the hexagon ring on top of an Ru atom There is also another degree of freedom associated with the rotation of the C60 molecule along the CHAPTER SYNTHESIS OF GRAPHENE-RELATED MATERIALS ... on the surface slab, planar averages of the charge density difference along the vertical axis are computed The charge difference planar averages were summed up for the planes from the spatial...
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First principles study of graphene related materials 3
... adversely affected by strain as compared to AGNRs AGNRs on the other hand, might act as a suitable thermoelectric material because of their inherent lower thermal conductance compared to ZGNRs, and their ... important outcomes: (1) the unstrained ZGNR-N has a higher thermal conductance compared to the unstrained AGNR-N of comparable widths, and (2) that at low temperatures, the thermal conductance of the ... 6.2: The approach of the optimized lateral lattice parameter a0 for AGNR-N (N = to 41) and ZGNR-N (N = to 25) toward a0 , the optimized lattice parameter of graphene (denoted by a horizontal dash...
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First principles simulations of nanomaterials for nanoelectronics and spintronics
... in an appropriate space which is characterized with the different basis Popular basis includes the real space grids, the atomic orbital basis, the wavelets, the planewave basis, and so on The bases ... dramatically weaken the SP at the interface and reduce the TMR ratio.[81] In addition, interface strain due to lattice mismatch may a ect its SP Theoretical calculation has shown that strain can ... position of the Fermi level 87 xvii 5.3 Variation of the planar averaged SP along the interface normal direction of the CCA/NNO/CCA MTJ, at various values of applied strain The position...
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First principles study of benzene adsorption on transition metal surfaces
... industrial reactor design Assuming the surface of a catalyst as an area comprised of a definite number of elementary active sites where some areas are vacant and other regions are covered with adsorbed ... sites of a ruthenium catalyst and found based on the calculated potential energy diagram for ammonia synthesis reaction pathway over the Ru(0001) surface that the active sites are located at steps ... transition metal catalysts, whose strength determines the activity of catalytic surfaces Sabatier found the volcano-curve like relationship between the heat of adsorption and the rate of a catalytic...
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First principles studies on the interactions between transition metal atoms, si(001), and nanotubes
... gases, a process gas and a carbon-containing gas, are fed into the CVD reactor The carbon-containing gas dissociates at the surface of the catalyst particle The carbon is then transported to the ... density approximation The basic idea of the local density approximation (LDA) is to assume that the exchange-correlation energy of a single electron at a point r is equal to the exchangecorrelation ... −1,σi (2.19) Similar to the derivation of the Hartree equations, the Hartree-Fock equations can be obtained by applying the variational principle, with the final result as h2 ¯ i εi ϕi (r) =...
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Đề tài " Convergence of the parabolic Ginzburg-Landau equation to motion by mean curvature " pdf
... the proof of Theorem As mentioned earlier, some of them are already available in the literature We will adapt their statements to our needs Note that all the results in this section remain valid ... Annals of Mathematics, 163 (2006), 37–163 Convergence of the parabolic Ginzburg-Landau equation to motion by mean curvature By F Bethuel, G Orlandi, and D Smets* Abstract For the complex parabolic ... e • Refined Jacobian estimates due to Jerrard and Soner [36], and many of the techniques and ideas that were introduced for the stationary equation Equation (PGL)ε has standard scaling properties...
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TEACHING PRONUNCIATION TO THE FIRST YEAR STUDENTS AT THE UNIVERSITY OF TRANSPORT AND COMMUNICATIONS a CASE STUDY
... attainment of accurate pronunciation in a second language is a matter substantially beyond the control of educators’ They qualified their findings by stating that variables of formal training and ... games that are out of central teaching objectives’ (Hang, aged 40) The teachers developed a wealth of resources for other teaching areas such as grammar and vocabulary They felt that an equally diverse ... findings as the factors of formal pronunciation training and the quality of the teaching, if not taken into account, could affect any research results He stated that there was ‘no firm basis for asserting...
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The effects of bottom up techniques in teaching listening skills to first year students at the university of fire fighting and prevention
... or "conceptual driven" in that they focus on the overall meaning of the passage and the application of schemata Schemata are mental frameworks based on past experiences which can be applied to ... material is available or not, the interest of the class and the teacher, the place in which the work is being carried out, the nature and the content of the listening text itself If one of these ... context and the word in general Second, it is an interpretation, in the sense that it is our version of what the speaker meant, as far as we are able to assess that meaning The two authors use the...
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Tài liệu First Principles of Project Management By R. Max Wideman pdf
... effect, equally applicable at every level and branch of the project organization It is also just as relevant where a ‘fast-track’ strategy or an iterative approach is adopted The importance of this ... knowledgeable of the undertaking, the processes involved and their associated risks, and both willingly undertake the challenge The owner of the project must understand that even with appropriate management ... defined at the beginning of the project as a basis for project management decision making and post-project evaluation It is axiomatic that the goal of project management is to be successful, otherwise...
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Tài liệu Báo cáo khoa học: Influence of modulated structural dynamics on the kinetics of a-chymotrypsin catalysis Insights through chemical glycosylation, molecular dynamics and domain motion analysis pptx
... ịt ỵ A2 expkHX;2 ịt ỵ A3 where A1 , A2 , and A3 are the fractions of the fast, slow and stable amide protons and kHX,1 and kHX,2 are the apparent exchange rate constants for the fast and slow amide ... conjugates were independent of the size of the glycan (Tables and 5, [36]) The analysis revealed that the changes in these parameters statistically correlate for both the acylation and deacylation ... Structural dynamics and serine protease catalysis Table Global energetic parameters and DebyeWaller temperature factors calculated for the protein portion of a- CT and the various lactose -a- CT conjugate...
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Tài liệu Coaching Manual: The Definitive Guide to the Process, Principles & Skills of Personal Coaching pot
... three key areas: ➡ What a coach does – their actual behaviour ➡ Principles or beliefs a coach operates from, maybe relating to themselves as a coach, to the coachee and also to the coaching process, ... different areas of human activity There are sports coaches, musical coaches, relationship coaches, voice coaches, writing coaches and time-management coaches, to name but a few It appears that whatever ... so many people are finding that coaching relationships can help them develop and learn in ways that enable them to have or achieve what they really want Learn to coach by being coached One of the...
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Redefining Gender in Twenty-First Century Spanish Cinema: The Films of Pedro Almodóvar pptx
... addition, be applied to the entire narrative of Hable Ella as a whole; the two female characters Alicia and Lydia are both in a coma for the best part of the film narrative They not form part of the diegesis ... argument as the lack of phallus as indicated causing a threat of castration to the male gaze87 of the camera, male protagonist and spectator are subverted by the technique of fragmentation; rendering ... roles The camera cuts to a flashback of Marco’s past as an image of a fully naked woman is seen from a distance as she runs from a snake – the whole image of the female figure in full view of the...
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NUTRIENT ADEQUACY OF EXCLUSIVE BREASTFEEDING FOR THE TERM INFANT DURING THE FIRST SIX MONTHS OF LIFE potx
... Honduras Honduras Papua New Guinea Peru Gambia Guatemala Guatemala Guatemala Central Africa Gambia Kenya Indonesia Guatemala (urban) Philippines (urban) Guatemala (urban) Philippines (urban) Guatemala ... based on ad libitum intakes with nitrogen balance data, and “armchair estimates” based on the factorial approach Of the two bases for comparisons, balance data are less satisfactory Many of the difficulties ... Postprandial concentrations of plasma amino acids also have been used as an index of the adequacy of protein intakes (64) We were unable to find any data evaluating changes in plasma amino-acid patterns...
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The Project Gutenberg EBook of A First Book in Algebra, pot
... − 7a − 3a From take 2a 5a − 3a To add 2a − 5a − 3a From take − 4a To − 4a − 3a add 3a a a The principle is clear; namely, The subtraction of any number gives the same result as the addition of that number ... remain in the tank at the end of five days? 18 Two men are 150 miles apart, and approach each other, one at the rate of x miles an hour, the other at the rate of y miles an hour How far apart ... number of apple trees How many are there of each kind? John and Mary gathered 23 quarts of nuts John gathered quarts more than twice as many as Mary How many quarts did each gather? To the double of...
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First principles optical properties of silicon and germanium nanowires
... so far in order to clarify the experimental evidences and investigate the potential applications of such nanoscale materials In fact, the theoretical panorama is essentially based either on ab-initio ... self-consistently the one-particle Kohn–Sham equations [38] Then, the eigenvectors and eigenvalues of the Kohn– Sham equation are considered as a first approximation to the true electronic wavefunctions and can ... local and energy dependent) appears The calculated quasi-particle energies (i.e the excitation energies) are the output of this part of the calculation and with the full dielectric matrix, calculated...
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Báo cáo khoa học: "PEAS, the first instantiation of a comparative framework for evaluating parsers of French" potx
... each relation the address of its parameters Of course, all of them are not to be filled in All the information thus annotated is then translated into an XML format Annotation of the example of ... number of parsers will allow the production of a good quality validated linguistic resource Indeed, we will produce the automatic fusion of all annotated data of the parsers, and then manually ... question answering application, where a parser is often needed to parse both the questions and the huge set of candidate answers, the use of XML makes easier the selection of the paser for the task at...
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Tìm thêm: xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25