... nearest-neighbor atomnic sites, Mi and Mj are the magnetic moments of the adjacent atoms i and j, and dij is the center -to- center distance between the atoms The dot product of Mi and Mj is 11 II ... presence of Stokes and Anti-Stokes scattering to detect the characteristic of spin wave frequency of the sample at resonance condition i.e by the amount of frequency shift between the incident and ... Simulated mode profiles (upper panel) and the corresponding static spin configurations (lower panel) of top and bottom NiFe layers at various Happ Color scale bar next to (d) (upper panel) represents...
Ngày tải lên: 09/09/2015, 11:20
... conduction band offset, and a sufficiently high valence band offset so as to have an efficient collection of photogenerated electrons while minimizing the back diffusion of holes into the electron ... thesis that the advantages far outweigh the disadvantages in which an increasing number of DBR unit blocks lead to (a) an increased peak reflectance and (b) an increased conductivity of the combined ... bonds and reduce interface defect state density, (g) optimisation of the TCO to balance between conductance and free carrier absorption to reduce series resistance and parasitic absorption of longwavelength...
Ngày tải lên: 09/09/2015, 11:15
Development and fabrication of thin film composite (TFC) membranes for engineered osmosis processes
... membrane permeability without the expense of rejection; (2) reducing the membrane fouling and the cost of cleaning; (3) enhancing the membrane mechanical and chemical robustness; (4) lowing the manufacturing ... (2.10) W is a major performance indicator of the PRO membrane because it determines the required amount of membrane area and the size of a PRO plant 22 for a given capacity of energy production Mathematically, ... generation often requires a large amount of water Therefore, one of the most crucial challenges of the 21st century is to meet the increasing demand for clean water and renewable energy 1.2 Membrane...
Ngày tải lên: 10/09/2015, 09:02
High depth resolution rutherford backscattering spectrometry with a magnet spectrometer implementation and application to thin film analysis 2
... accelerator tank is filled with a heavy non-toxic insulating gas SF6 at a pressure of bar SF6 has a dielectric strength approximately 2.5 to times that of air, and serves to prevent corona buildup and ... steerer table and (b) the 90° analyzing magnet on the analyzer table Source: [33] On both steerer and analyzer tables, a beam profile monitor (BPM) and a faraday cup measure the beam profile along ... the left and the right of the stabilizer slit are monitored, and the slit assembly is connected via a feedback loop to the voltage regulator in the accelerator high voltage power supply Any instability...
Ngày tải lên: 14/09/2015, 08:44
High depth resolution rutherford backscattering spectrometry with a magnet spectrometer implementation and application to thin film analysis 3
... first opened to allow the load lock to be pumped to a pressure of ~ 10−2 mbar before opening V1 to allow the user to transfer the sample into the main chamber Once that is done and the inserting ... 3.5.1 Micro-Channel Plate The MCP consists of a stack of channel plates with rows of micro-channels as shown in Fig 3.12 Channel plates Incident ion 0V +1 kV MCP +2 kV Focal Plane Detector Fig 3.12 ... orientation of the channels within each plate stack are angled relative to each other This is to ensure that the acceleration of gas ions produced within the bottom plate will be either stopped or...
Ngày tải lên: 14/09/2015, 08:44
High depth resolution rutherford backscattering spectrometry with a magnet spectrometer implementation and application to thin film analysis 4
... ) Top trajectory Top envelope P0 ( Px, Py ) Central trajectory Pb ( Pxb , Pyb ) Bottom envelope Bottom trajectory Fig 4.8 Schematic of translations of central trajectory due to slanted entrance ... O of the x-y axes is set at the centre of the trajectory with radius of ρ , and a point source of ions is assumed to be at an object distance of ρ Lines are drawn to simulate the envelope of ... these translated circular trajectories have horizontal tangents at Pt and Pb , and not take into account the beam divergence angle An additional transformation is required on the trajectories...
Ngày tải lên: 14/09/2015, 08:44
High depth resolution rutherford backscattering spectrometry with a magnet spectrometer implementation and application to thin film analysis 1
... in CIBA who provided me with assistance and guidance in any way during the course of my candidature and this thesis I also wish to thank my friends – Greg and San Hua for their advice – as well ... Laboratory MCA Multi-Channel Analyzer MCP Micro-Channel Plate MOSFET Metal Oxide Semiconductor Field Emission Transistor NUS National University of Singapore PIPS Passivated Implanted Planar Silicon ... nondestructive means of obtaining quantitative elemental depth profiling of thin films The solid-state Passivated Implanted Planar Silicon (PIPS) detector used to detect the energy of backscattered...
Ngày tải lên: 14/09/2015, 08:44
Static and Dynamic Analysis of Space frames
... file of the action PlInfl, screen plot Results/ PlInfl and to the list file of the action DoList/Influence file New possibility of aero class definition added: couple of constants (factor Cd and ... Standard 4700, British Standard 5400 and Honk Kong Standard 5400 3.81 Version 8.34.02 • Minor changes 3.82 Version 8.34.01 • • • • • • Tendon results (primary and secondary forces) can be stored ... printout for shear check (AAHSTO) Minor changes and error corrections in import/export with non-standard units LIST:GEN extension for selective result list of load cases, superposition files and...
Ngày tải lên: 06/09/2012, 15:18
Static and Dynamic Analysis of Spaceframes
... Input the Lanes Construction Schedule Enter a lane number Loads LANE Input the elements and the lane eccentricity i.e input Lane and Lane with eccentricity (e=+/-1.5m) using MACRO2 Lane 1 Input ... from to 140 Step Assign cross sections to all the points Starting at the top of the list: Assign beam element numbers and material numbers to the parts automatically N.B Elements numbers can be ... Disclaimer and Copyright Disclaimer Much time and effort have gone into the development and documentation of RM2000 and GP2000 The programs have been thoroughly tested and used The user accepts and...
Ngày tải lên: 06/09/2012, 15:55
Static and Dynamic Analysis of Spaceframes
... the ‘editor’ button from the icons at the top of the RM2000 screen), write the sequence of commands and save it as ‘filename.tcl’ The summary and the syntax of the commands to be specified and used ... The angle α2 (plan angle) is defined as the angle between the global X-axis and the normal projection of the element in the XZ-plane (horizontal projection plane), and the angle α1 (elevation angle) ... provided: • Input commands • Result analysis commands Input commands: The user can simplify the input of multiple tasks that are similar with the help of input commands An export command is also available,...
Ngày tải lên: 06/09/2012, 15:55
SAP2000® Linear and Nonlinear Static and Dynamic Analysis and Design of Three-Dimensional Structures
... E To rerun the analysis with the new analysis sections, click the Analyze menu > Run Analysis command or the Run Analysis button, and then click the Run Now button on the Set Analysis Cases to ... command or the Run Analysis button, to bring up the Set Analysis Cases to Run form as shown in Figure 28 Figure 28 Set Analysis Cases to Run form Step Run the Analysis - 29 Introductory Tutorial ... Introductory Tutorial for SAP2000 Version Define an Auto Select Section List An auto select section list is simply a list of sections, which for this tutorial will be a set of double angles (2L4X4’s)...
Ngày tải lên: 06/09/2012, 15:56
MOB Subject 5 –Access methods Static and dynamic access techniques
Ngày tải lên: 17/09/2012, 09:13
Báo cáo y học: "Comparison between single antiplatelet therapy and combination of antiplatelet and anticoagulation therapy for secondary prevention in ischemic stroke patients with antiphospholipid syndrome"
... single antiplatelet therapy and a combination of antiplatelet and anticoagulation therapy for secondary prevention in ischemic stroke patients with APS According to the guidelines of the American ... organs, miscarriages, and livedo reticularis Materials and Methods We focused on the secondary prevention of stroke with APS, and compared single antiplatelet therapy and a combination of antiplatelet ... combination of antiplatelet and anticoagulation therapy (target INR: 2.0-3.0; mean 2.4± 0.3) for the secondary preven- 16 tion of stroke, according to a double-blind protocol [3, 7] The purpose of the...
Ngày tải lên: 26/10/2012, 09:48
CFD model of air movement in ventilated façade: comparison between natural and forced air flow
... operating conditions The advantage of using these models lies in the fact that they can reproduce real problems of Fluid Mechanics to any degree of complexity Furthermore, they can visualize hydrodynamic ... Department of Universitat Politècnica de València She has more than a decade of experience in research and teaching in Engineering fields, always related to hydraulic topics She is author and editor of ... assessment of the thermal potential of ventilated façade and its capacity for cooling These quantities are mathematically modeled by CFD techniques CFD is used to quantify and compare the effect of natural...
Ngày tải lên: 05/09/2013, 14:58
Tài liệu General Comparison between AISC LRFD and ASD doc
... AISC ASD and LRFD • AISC = American Institute of Steel Construction • ASD = Allowable Stress Design AISC Ninth Edition • LRFD = Load and Resistance Factor Design AISC Third Edition ... Edition ASD and LRFD Major Differences • Load Combinations and load factors • ASD results are based on the stresses and LRFD results are based on the forces and moments capacity • Static analysis ... • Check KL/r ratio • Compute Flexural-Torsional Buckling and Equivalent (KL/r)e • Find Maximum of KL/r and (KL/r)e • Compute Qs and Qa based on the b/t and h/tw ratios • Based on the KL/r ratio,...
Ngày tải lên: 12/12/2013, 20:15
Ways of greeting and a comparison between vietnamese and english greetings
... readiness to be friendly and to talk with the other 1.2.3 Types of language In fact, there are many kinds of language: language of music, language of science, language of art, etc And they are used to ... means to give or to share And most common today it means to give or to share information and ideas.(1;11) Communicate can mean talk together, discuss, consult, and tell (1;11) According to Advanced ... system of special signals which people use to communicate and it is the basis means of communication and of developing thought of people People use language to impart tradition, culture, history and...
Ngày tải lên: 24/12/2013, 09:36
02 three dimensional static and dynamic analysis of structure
... that the reader has an understanding of statics, mechanics of solids, and elementary structural analysis The level of knowledge expected is equal to that of an individual with an undergraduate degree ... cross-sections of many dams, tunnels, and solids with a near infinite dimension along the 3-axis can be considered in a state of plane strain for constant loading in the 1-2 plane For plane strain and isotropic ... with constant strain; and the results of a finite element analysis of the patch of elements yield constant strain." In the case of plate bending elements, the application of a constant curvature...
Ngày tải lên: 12/01/2014, 21:45
Tài liệu Cân bằng tĩnh và cân bằng động và ( Static and Dynamic Balancing) pptx
... dạng rotor Có thể hình dung rotor dược gắn thêm hai khối lượng dôi dư hai mặt phẳng xử lý cân trọng tâm rotor không nằm trục quay - Rotor trục cứng, rotor trục mềm ? -Rotor trục cứng rotor không ... quay tốc độ cố định đo, tính to n - Cân động cân từ mặt phẳng quay trở lên Về lý thuyết tính to n dùng ma trận hệ số ảnh hưởng - Mất cân rotor ? - Là tượng rung động rotor lực ly tâm quay, nguyên ... quay không vận hành tần số cộng hưởng chúng Rotor trục mềm rotor có biến dạng thay đổi tốc độ quay Hay rotor vận hành gần tần số cộng hưởng chúng Với rotor này, cân động cần phải quay chúng tốc độ...
Ngày tải lên: 21/01/2014, 13:20
Tài liệu Static and Dynamic Analysis of the Internet’s Susceptibility to Faults and Attacks docx
... argued that the performance of network protocols can be seriously effected by the network topology and that building an effective topology generator is at least as important as protocol simulations ... changing while it is growing? Will performance and robustness of the Internet improve in the future? To answer these questions, we analyze historical Internet topologies We call this Dynamic Analysis ... Waxman generator [35], which is a variant of the Erdos-Renyi random graph [3], was widely used for protocol simulation In this generator, the probability of link creation depends on the Euclidean...
Ngày tải lên: 18/02/2014, 01:20
Báo cáo khoa học: "Comparison between CFG filtering techniques for LTAG and HPSG" pot
... CFGPB , and CFGTNT henceforth refer to the LTAG extracted from Section x of WSJ and CFGs approximated from Gx by PB and TNT, respectively The size of CFGTNT is much larger than that of CFGPB ... G2-21 the proportion of the number of ok-prop between two node numbers of nodes that take adjunction and its success rate It occupied 87% of the total number of ok-prop and its success rate was ... (van Noord, 1994) on which we can perform a sequential application of substitution and adjunction We then recursively apply substitution and adjunction on that traversal to an elementary tree and...
Ngày tải lên: 08/03/2014, 04:22