yielding and fracture of polymer networks

... background and literature review on (i) current nanofabrication techniques, (ii) applications of polymer nanostructures in biomedical fields and (iii) actuation of polymer micro- and nanostructures ... possibilities of fabricating polymer micro- and nanostructures in easy and cost-effective ways The various applications demonstrated here showed great potential of polymer-based micro- and nanostructures ... illustration of tilt evaporation (b) illustration of evaporated Ni half-ring on the side of a nanopillar and Ni bars on the sides of a nanofin The yellow arrow indicates the easy axis of the Ni...

Ngày tải lên: 10/09/2015, 09:30

... DMF before polymerization (□), after 1h of polymerization (■), after 6h of polymerization (▲) 79 Figure 4.6 UV-Vis spectra of GMA monomer in DMF before polymerization (□), after 1h of polymerization ... Phase Separation of Ionomers in Solution and in the Solid State 32 Trang 72.3.2.1 Phase Separation of Random and Block Ionomers in Solution 332.3.2.2 Phase Separation of Random and Block Ionomers ... polymerization (■), after 6h of polymerization (▲) 80 Figure 4.7 UV-Vis spectra of TFPM monomer in DMF before polymerization (□), after 6h of polymerization (■), after 6h of polymerization (▲) 80...

Ngày tải lên: 10/09/2015, 15:49

... concept of SBI is of fundamental importance for a shift of paradigm in the future study of MGs The fourth contribution of this work is to uncover the mechanisms of the plastic serrated flow and fracture ... density of shear band) measuring the shear banding progress 76 Figure 4.4 Engineering stress-strain curves of 2:1 samples measured for a range of controlled values of sample size and machine ... J Wei and H J Gao An instability index of shear band for plasticity in metallic glasses Acta Materialia, 2009, 57: 1367 5 Z Han and Y Li Cooperative shear and catastrophic fracture of bulk...

Ngày tải lên: 14/09/2015, 08:43

... 1DYNAMICS ANALYSIS AND APPLICATIONSOF NEURAL NETWORKS TANG HUA-JIN NATIONAL UNIVERSITY OF SINGAPORE 2004 Trang 2DYNAMICS ANALYSIS AND APPLICATIONSDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING ... Chee Meng and A/Prof Ben M Chen for their petent criticism and encouraging support I am deeply indebted to Prof Lawrence com-O Hall (Univ of South Florida) and Prof Xin Yao (Univ.of Birmingham) ... extensive investigations of neural networks, both in dynamics analysis and applications One focus of the thesis lies on the improvement of the training algorithm of forward neural networks by analyzing...

Ngày tải lên: 16/09/2015, 17:13

... gas networks in a refinery The refinery gas networks considered here are the fuel gas and hydrogen networks First, we study the fuel gas networks In this work, modeling and optimization of a ... Capital cost of compressor between source and sink Capital cost of cooler between source and sink Capital cost of heater between source and sink Capital cost of transfer line ... source to sink Capital cost of valve between source and sink Heat capacity of source in mode Minimum and maximum energy demand of sink in mode Minimum and maximum allowable flow to...

Ngày tải lên: 02/10/2015, 17:14

... BASED MODELING AND SIMULATION OF METABOLIC NETWORKS MOHAMMAD IFTEKHAR HOSSAIN NATIONAL UNIVERSITY OF SINGAPORE 2008 Trang 2MULTI-AGENT BASED MODELING AND SIMULATION OF METABOLIC NETWORKS MOHAMMAD ... process of network characterization and re-annotation Though the main interest of this thesis relates to the analysis of metabolic networks, the basic practice of developing any other biological networks ... infectious disease and so forth (Liao, Hou and Chao, 1996) Quantitative and systematic analysis of metabolism is thus of substantial importance The mathematical modeling of metabolic networks dates...

Ngày tải lên: 26/11/2015, 13:02

... with samples of polymer of known olecular weights Determination of polymer molecular weight by measurement of the viscosity of polymer solutions is based on the fact that, as polymer molecular ... Trang 1EVALUATION,CHARACTERZATION AND ANALYSIS OF POLYMER Tiểu luận Hóa học polymer Trang 2hapter: MỤC LỤC hapter: E EVALUATION,CHARACTERZATION AND ANALYSIS OF POLYMER Characterization techniques ... and light scanttering Which are absolute methods in that they allow molecular weight determinations of unknown polymers,viscometry is a relative method and requires calibration with samples of...

Ngày tải lên: 12/04/2017, 14:40

... application of the UNIPred algorithm to a variety of biomolecular networks, already supplied by the system, and for the visualization and exploration of protein networks We support different organisms and ... types of networks —e.g., co-expression, shared domains and physical interaction networks Users are supported in the different phases of the process, ranging from the selection of the networks and ... the integration of networks, and supplies a framework for the imbalance-aware protein network integration of nine organisms, the prediction of thousands of GO protein functions, and a easy-to-use...

Ngày tải lên: 25/11/2020, 12:44

... composed of polymer brushes and nanoparticles can be conducted with appropriate graft strategies In terms of polymer composition, random copolymers, block copolymers, and even gradient copolymers ... the RAFT polymerization of AHMA and MMA (1:20) ([monomer]: [CPDB]: [V-70] = 300:1:0.1, 40 °C) .36 Figure 2.4 1H NMR spectrum of prepolymer 2 37 Figure 2.5 IR spectra of prepolymer 1 and the resultant ... distributions of the SFP samples (red dash lines) and their prepolymers (blue solid lines) 48 Figure 2.14 SEM images of polymer 1’ – 8’ 50 Figure 2.15 GPC traces of three groups of polymers before...

Ngày tải lên: 21/10/2022, 18:20

... A total of 110 mg of partially purified extracellular polymer was obtained from 274.8 mg of the crude polymer by this procedure Trang 6Components of extracellular polymer Components of the extracellular ... activities of the pronase-digested polymer, the heat-treated polymer and the intact polymer for kaolin clay (each polymer concentration was 5 ppm) The flocculating activity of the pronase-digested polymer ... µg of protein, 160.2 µg of neutral sugar, 58.5 µg of hexosamine, 30.8 µg of uronic acid and 3.8 µg of phosphorus Constituent neutral sugar analysis showed that the neutral sugar was composed of...

Ngày tải lên: 05/09/2013, 09:08

... this kind of work as is shown in [64] and [71] In the area of sensor networks, first attempts are in progress to study the behaviour of swarms of insects, typically ants and bees, and to adapt ... description of general Processes and algorithms that can be used to build the next generation of information networks After reading this book the reader should have @ good idea of the sort of systems and ... Trang 1THINKING NETWORKS - THE LARGE AND SMALL OF IT Aulonomic œndi Reosoning Processes for Informofion Nefworks KIERAN GREER Trang 2— the Large and Small of it: Autonomic and Reasoning Processes...

Ngày tải lên: 24/02/2014, 04:20

... completeness of any DCA scheme This classification and taxonomy identify the weakness and constraints of each scheme, and are very important for designing more secure, scalable, and high performance ... the number of hopes between client and the server nodes • Number of server nodes: Selecting the right number of nodes for PDCA is not an easy task and we cannot specify the exact number of them ... anymore The amount of this expiration time will be a tradeoff between security and performance Regarding the large amount of expiration time, secur-ity weakens and with the small amount of expiration...

Ngày tải lên: 20/06/2014, 22:20

... bundles and random networks, and thus, they were not well stretched (Figure 3f) It was reported that the surface tension and the density of amine groups on the surface determined the degree of straightness ... Co., LTD 42, Changwon, 642-716, Republic of Korea 3 Department of Chemistry and Institute of Basic Science, Sungkyunkwan University, Suwon, 440-746, Republic of Korea 4 Quantum Optics Lab, Korea ... key point of this technique is the alignment of the DNA through the interactions between the phosphate groups in the DNA and the amine groups on the surface of the NH2-functionalized polymer film...

Ngày tải lên: 20/06/2014, 23:20

... 2009 J Zhang and Z Gui, “Existence and stability of periodic solutions of high-order Hopfield neural networks with impulses and delays,” Journal of Computational and Applied Mathematics, vol 224, ... impulses and arbitrary delays This class of generalized neural networks include many continuous or discrete time neural networks such as, Hopfield type neural networks, cellular neural networks, ... neural networks, and so on To the best of our knowledge, the known results about the existence of anti-periodic solutions for neural networks are all done by a similar analytic method, and only...

Ngày tải lên: 21/06/2014, 07:20

... here of fixed length (i.e., independent of the number of sensors in the BSN) and contains two new fields for specific energy-saving purposes, the modulation and coding scheme (MCS) and length of ... performance and that of the standard facto 802.15.4 MAC and the BSN-MAC is portrayed BSN-MAC has been selected as a reference benchmark for its similarity in terms of design as well as structure, and ... Design and Analysis of an Energy-Saving Distributed MAC Mechanism for Wireless Body Sensor Networks Begonya Otal,1Luis Alonso,2and Christos Verikoukis3 1 Department of Neurosciences, Institute of...

Ngày tải lên: 21/06/2014, 11:20

... the context of cognitive radio networks 1 Introduction Cognitive radio networks and, more generally, dynamic spec-trum access networks are becoming a reality These systems consist of primary nodes, ... between copolar and cross-polar channels Depending on the achievable value of XPD0, the outage rate of a primary terminal, and the location of the terminals, the transmission rate of a cognitive ... noise In large and/or densenetworks, the transmission is only limited by the interference and one can focus on the interference and polarization terms (i.e., the two other term of the expression,...

Ngày tải lên: 21/06/2014, 17:20

... robustness of our model and expand the initial work done in [22] on several performance parameters These include the assessment of the tradeoff between delay and reliability constraints and the impact of ... whereα and β are, respectively, the probabilities of meeting the delay and reliability constraints;R ı jandD ı jare, respec-tively, the reliability and delay of the link ı jwhiler ı jandd ı ... ı j(t) are found based on the previous values ofd ı j(t −1),r ı j(t − 1),Δd ı j(t −1), andΔr ı j(t −1), and the current meand ı jofD ı j andr ı jofR ı jas follows [24]: Δd ı j(t) =1− ρ Δd ı...

Ngày tải lên: 21/06/2014, 17:20

... significantly greater number of hyperbolic areas For example, while Aα computes an average GAαof 10% and 3% of the simulation grid with eight and 16 receivers, Aβyields areas of 15% and 9%, respectively ... with a variable number of receiving devices, and we evaluate the performance of HPB in both localizing and tracking a transmitting attacker, as a function of the number of receivers We compare ... intermediate candidate areas Let R be the set of all receivers within range of an attack message Let Ψ represent the disjoint partition of (m −1) sets of r receivers, with the mth element of Ψ containing...

Ngày tải lên: 21/06/2014, 20:20

... and visualize it for an end user In this paper, we describe a system for modeling and on-demand visualization of activities of groups of humans Using the prior knowledge of the 3D structure of ... visualization of a human action needs motion capture algorithms that extract the location and angles of the various joints and limbs of the body Similarly, detecting and classifying events of interest ... evolution of the city from unregistered photos of key landmarks of the city taken over time The Photo Tourism project [10] is another example of visualization of a scene from a large collection of unstructured...

Ngày tải lên: 21/06/2014, 20:20

... intermediate of final concepts This framework has been used to build a variety of indexing networks for images and videos and to evaluate many aspects of them Using annotated corpora and protocols of the ... These numcepts are of different modalities (text and image) and of different semantic level (low and in-termediate) We use the “A − B” notation for the early fusion of numceptsA and B and the “A + B” ... consider rich and varied architectures without thinking about the type of data handled or about the type of operator used Any combina-tion of data and operator type becomes possible and subject...

Ngày tải lên: 22/06/2014, 06:20